Merge branch 'dev' into hebrew-i18n

66 files changed, 2101 insertions, 1007 deletions

diff --git a/lib/Favicon/DataAccess.php b/lib/Favicon/DataAccess.php
deleted file mode 100644
index 2bfdf640e..000000000
--- a/lib/Favicon/DataAccess.php
+++ /dev/null
@@ -1,40 +0,0 @@
-<?php
-
-namespace Favicon;
-
-/**
- * DataAccess is a wrapper used to read/write data locally or remotly
- * Aside from SOLID principles, this wrapper is also useful to mock remote resources in unit tests
- * Note: remote access warning are silenced because we don't care if a website is unreachable
- **/
-class DataAccess {
-	public function retrieveUrl($url) {
-	    $this->set_context();
-	    return @file_get_contents($url);
-	}
-	
-	public function retrieveHeader($url) {
-	    $this->set_context();
-		return @get_headers($url, TRUE);
-	}
-	
-    public function saveCache($file, $data) {
-        file_put_contents($file, $data);
-    }
-    
-    public function readCache($file) {
-    	return file_get_contents($file);
-    }
-    
-    private function set_context() {
-        stream_context_set_default(
-            array(
-                'http' => array(
-                    'method' => 'GET',
-                    'timeout' => 10,
-                    'header' => "User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:20.0; Favicon; +https://github.com/ArthurHoaro/favicon) Gecko/20100101 Firefox/32.0\r\n",
-                )
-            )
-        );
-    }
-}
\ No newline at end of file
diff --git a/lib/Favicon/Favicon.php b/lib/Favicon/Favicon.php
deleted file mode 100644
index 7ea6ccf16..000000000
--- a/lib/Favicon/Favicon.php
+++ /dev/null
@@ -1,293 +0,0 @@
-<?php
-
-namespace Favicon;
-
-class Favicon
-{
-    protected $url = '';
-    protected $cacheDir;
-    protected $cacheTimeout;
-    protected $dataAccess;
-
-    public function __construct($args = array())
-    {
-        if (isset($args['url'])) {
-            $this->url = $args['url'];
-        }
-        
-        $this->cacheDir = __DIR__ . '/../../resources/cache';
-        $this->dataAccess = new DataAccess();
-    }
-
-    public function cache($args = array()) {
-        if (isset($args['dir'])) {
-            $this->cacheDir = $args['dir'];
-        }
-
-        if (!empty($args['timeout'])) {
-                $this->cacheTimeout = $args['timeout'];
-        } else {
-                $this->cacheTimeout = 0;
-        }
-    }
-
-    public static function baseUrl($url, $path = false)
-    {
-        $return = '';
-
-        if (!$url = parse_url($url)) {
-            return FALSE;
-        }
-
-        // Scheme
-        $scheme = isset($url['scheme']) ? strtolower($url['scheme']) : null;
-        if ($scheme != 'http' && $scheme != 'https') {
-
-            return FALSE;
-        }
-        $return .= "{$scheme}://";
-
-        // Username and password
-        if (isset($url['user'])) {
-            $return .= $url['user'];
-            if (isset($url['pass'])) {
-                $return .= ":{$url['pass']}";
-            }
-            $return .= '@';
-        }
-
-        // Hostname
-        if( !isset($url['host']) ) {
-            return FALSE;
-        }
-        
-        $return .= $url['host'];
-
-        // Port
-        if (isset($url['port'])) {
-            $return .= ":{$url['port']}";
-        }
-
-        // Path
-        if( $path && isset($url['path']) ) {
-            $return .= $url['path'];
-        }
-        $return .= '/';
-
-        return $return;    
-    }
-
-    public function info($url)
-    {
-        if(empty($url) || $url === false) {
-            return false;
-        }
-        
-        $max_loop = 5;
-        
-        // Discover real status by following redirects. 
-        $loop = TRUE;
-        while ($loop && $max_loop-- > 0) {
-            $headers = $this->dataAccess->retrieveHeader($url);
-            $exploded = explode(' ', $headers[0]);
-            
-            if( !isset($exploded[1]) ) { 
-                return false;
-            }
-            list(,$status) = $exploded;
-            
-            switch ($status) {
-                case '301':
-                case '302':
-                    $url = $headers['Location'];
-                    break;
-                default:
-                    $loop = FALSE;
-                    break;
-            }
-        }
-
-        return array('status' => $status, 'url' => $url);
-    }
-    
-    public function endRedirect($url) {
-        $out = $this->info($url);
-        return !empty($out['url']) ? $out['url'] : false;
-    }
-
-    /**
-     * Find remote (or cached) favicon
-     * @return favicon URL, false if nothing was found
-     **/
-    public function get($url = '')
-    {
-        // URLs passed to this method take precedence.
-        if (!empty($url)) {
-            $this->url = $url;
-        }
-
-        // Get the base URL without the path for clearer concatenations.
-        $original = rtrim($this->baseUrl($this->url, true), '/');
-        $url = rtrim($this->endRedirect($this->baseUrl($this->url, false)), '/');
-
-        if(($favicon = $this->checkCache($url)) || ($favicon = $this->getFavicon($url))) {
-            $base = true;
-        }
-        elseif(($favicon = $this->checkCache($original)) || ($favicon = $this->getFavicon($original, false))) {
-            $base = false;    
-        }
-        else
-            return false;
-            
-        // Save cache if necessary
-        $cache = $this->cacheDir . '/' . md5($base ? $url : $original);
-        if ($this->cacheTimeout && !file_exists($cache) || (is_writable($cache) && time() - filemtime($cache) > $this->cacheTimeout)) {
-            $this->dataAccess->saveCache($cache, $favicon);
-        }
-        
-        return $favicon;
-    }
-    
-    private function getFavicon($url, $checkDefault = true) {
-        $favicon = false;
-        
-        if(empty($url)) {
-            return false;
-        }
-        
-        // Try /favicon.ico first.
-        if( $checkDefault ) {
-            $info = $this->info("{$url}/favicon.ico");
-            if ($info['status'] == '200') {
-                $favicon = $info['url'];
-            }
-        }
-
-        // See if it's specified in a link tag in domain url.
-        if (!$favicon) {
-            $favicon = $this->getInPage($url);
-        }
-        
-        // Make sure the favicon is an absolute URL.
-        if( $favicon && filter_var($favicon, FILTER_VALIDATE_URL) === false ) {
-            $favicon = $url . '/' . $favicon;
-        }
-
-        // Sometimes people lie, so check the status.
-        // And sometimes, it's not even an image. Sneaky bastards!
-        // If cacheDir isn't writable, that's not our problem
-        if ($favicon && is_writable($this->cacheDir) && !$this->checkImageMType($favicon)) {
-            $favicon = false;
-        }
-
-        return $favicon;
-    }
-    
-    private function getInPage($url) {
-        $html = $this->dataAccess->retrieveUrl("{$url}/");
-        preg_match('!<head.*?>.*</head>!ims', $html, $match);
-        
-        if(empty($match) || count($match) == 0) {
-            return false;
-        }
-        
-        $head = $match[0];
-        
-        $dom = new \DOMDocument();
-        // Use error supression, because the HTML might be too malformed.
-        if (@$dom->loadHTML($head)) {
-            $links = $dom->getElementsByTagName('link');
-            foreach ($links as $link) {
-                if ($link->hasAttribute('rel') && strtolower($link->getAttribute('rel')) == 'shortcut icon') {
-                    return $link->getAttribute('href');
-                } elseif ($link->hasAttribute('rel') && strtolower($link->getAttribute('rel')) == 'icon') {
-                    return $link->getAttribute('href');
-                } elseif ($link->hasAttribute('href') && strpos($link->getAttribute('href'), 'favicon') !== FALSE) {
-                    return $link->getAttribute('href');
-                }
-            }
-        }
-        return false;
-    }
-    
-    private function checkCache($url) {
-        if ($this->cacheTimeout) {
-            $cache = $this->cacheDir . '/' . md5($url);
-            if (file_exists($cache) && is_readable($cache) && (time() - filemtime($cache) < $this->cacheTimeout)) {
-                return $this->dataAccess->readCache($cache);
-            }
-        } 
-        return false;
-    }
-    
-    private function checkImageMType($url) {
-        $tmpFile = $this->cacheDir . '/tmp.ico';
-        
-        $fileContent = $this->dataAccess->retrieveUrl($url);
-        $this->dataAccess->saveCache($tmpFile, $fileContent);
-        
-        $finfo = finfo_open(FILEINFO_MIME_TYPE);
-        $isImage = strpos(finfo_file($finfo, $tmpFile), 'image') !== false;
-        finfo_close($finfo);
-        
-        unlink($tmpFile);
-        
-        return $isImage;
-    }
-    
-    /**
-     * @return mixed
-     */
-    public function getCacheDir()
-    {
-        return $this->cacheDir;
-    }
-
-    /**
-     * @param mixed $cacheDir
-     */
-    public function setCacheDir($cacheDir)
-    {
-        $this->cacheDir = $cacheDir;
-    }
-
-    /**
-     * @return mixed
-     */
-    public function getCacheTimeout()
-    {
-        return $this->cacheTimeout;
-    }
-
-    /**
-     * @param mixed $cacheTimeout
-     */
-    public function setCacheTimeout($cacheTimeout)
-    {
-        $this->cacheTimeout = $cacheTimeout;
-    }
-
-    /**
-     * @return string
-     */
-    public function getUrl()
-    {
-        return $this->url;
-    }
-
-    /**
-     * @param string $url
-     */
-    public function setUrl($url)
-    {
-        $this->url = $url;
-    }
-
-    /**
-     * @param DataAccess $dataAccess
-     */
-    public function setDataAccess($dataAccess)
-    {
-        $this->dataAccess = $dataAccess;
-    }
-}
diff --git a/lib/Minz/ActionController.php b/lib/Minz/ActionController.php
index b47c54554..232a4ef9b 100644
--- a/lib/Minz/ActionController.php
+++ b/lib/Minz/ActionController.php
@@ -1,5 +1,5 @@
 <?php
-/** 
+/**
  * MINZ - Copyright 2011 Marien Fressinaud
  * Sous licence AGPL3 <http://www.gnu.org/licenses/>
 */
@@ -24,7 +24,7 @@ class Minz_ActionController {
 	public function view () {
 		return $this->view;
 	}
-	
+
 	/**
 	 * Méthodes à redéfinir (ou non) par héritage
 	 * firstAction est la première méthode exécutée par le Dispatcher
@@ -34,5 +34,3 @@ class Minz_ActionController {
 	public function firstAction () { }
 	public function lastAction () { }
 }
-
-
diff --git a/lib/Minz/ActionException.php b/lib/Minz/ActionException.php
index c566a076f..f1f70c1bc 100644
--- a/lib/Minz/ActionException.php
+++ b/lib/Minz/ActionException.php
@@ -3,7 +3,7 @@ class Minz_ActionException extends Minz_Exception {
 	public function __construct ($controller_name, $action_name, $code = self::ERROR) {
 		$message = '`' . $action_name . '` cannot be invoked on `'
 		         . $controller_name . '`';
-		
+
 		parent::__construct ($message, $code);
 	}
 }
diff --git a/lib/Minz/Configuration.php b/lib/Minz/Configuration.php
index ab5bb4fc2..5470dc85f 100644
--- a/lib/Minz/Configuration.php
+++ b/lib/Minz/Configuration.php
@@ -39,7 +39,7 @@ class Minz_Configuration {
 			throw new Minz_FileNotExistException($filename);
 		}
 
-		$data = @include($filename);
+		$data = include($filename);
 		if (is_array($data)) {
 			return $data;
 		} else {
@@ -85,11 +85,6 @@ class Minz_Configuration {
 	private $data = array();
 
 	/**
-	 * The default values, an empty array by default.
-	 */
-	private $data_default = array();
-
-	/**
 	 * An object which help to set good values in configuration.
 	 */
 	private $configuration_setter = null;
@@ -109,7 +104,7 @@ class Minz_Configuration {
 
 	/**
 	 * Create a new Minz_Configuration object.
-	 * 
+	 *
 	 * @param $namespace the name of the current configuration.
 	 * @param $config_filename the file containing configuration values.
 	 * @param $default_filename the file containing default values, null by default.
@@ -119,21 +114,22 @@ class Minz_Configuration {
 	                             $configuration_setter = null) {
 		$this->namespace = $namespace;
 		$this->config_filename = $config_filename;
+		$this->default_filename = $default_filename;
+		$this->_configurationSetter($configuration_setter);
+
+		if (!is_null($this->default_filename)) {
+			$this->data = self::load($this->default_filename);
+		}
 
 		try {
-			$this->data = self::load($this->config_filename);
+			$this->data = array_replace_recursive(
+				$this->data, self::load($this->config_filename)
+			);
 		} catch (Minz_FileNotExistException $e) {
-			if (is_null($default_filename)) {
+			if (is_null($this->default_filename)) {
 				throw $e;
 			}
 		}
-
-		$this->default_filename = $default_filename;
-		if (!is_null($this->default_filename)) {
-			$this->data_default = self::load($this->default_filename);
-		}
-
-		$this->_configurationSetter($configuration_setter);
 	}
 
 	/**
@@ -149,7 +145,7 @@ class Minz_Configuration {
 
 	/**
 	 * Return the value of the given param.
-	 * 
+	 *
 	 * @param $key the name of the param.
 	 * @param $default default value to return if key does not exist.
 	 * @return the value corresponding to the key.
@@ -160,8 +156,6 @@ class Minz_Configuration {
 			return $this->data[$key];
 		} elseif (!is_null($default)) {
 			return $default;
-		} elseif (isset($this->data_default[$key])) {
-			return $this->data_default[$key];
 		} else {
 			Minz_Log::warning($key . ' does not exist in configuration');
 			return null;
diff --git a/lib/Minz/ControllerNotActionControllerException.php b/lib/Minz/ControllerNotActionControllerException.php
index 535a1377e..1a8e0729c 100644
--- a/lib/Minz/ControllerNotActionControllerException.php
+++ b/lib/Minz/ControllerNotActionControllerException.php
@@ -3,7 +3,7 @@ class Minz_ControllerNotActionControllerException extends Minz_Exception {
 	public function __construct ($controller_name, $code = self::ERROR) {
 		$message = 'Controller `' . $controller_name
 		         . '` isn\'t instance of ActionController';
-		
+
 		parent::__construct ($message, $code);
 	}
 }
diff --git a/lib/Minz/ControllerNotExistException.php b/lib/Minz/ControllerNotExistException.php
index 523867d11..24a09a635 100644
--- a/lib/Minz/ControllerNotExistException.php
+++ b/lib/Minz/ControllerNotExistException.php
@@ -3,7 +3,7 @@ class Minz_ControllerNotExistException extends Minz_Exception {
 	public function __construct ($controller_name, $code = self::ERROR) {
 		$message = 'Controller `' . $controller_name
 		         . '` doesn\'t exist';
-		
+
 		parent::__construct ($message, $code);
 	}
 }
diff --git a/lib/Minz/CurrentPagePaginationException.php b/lib/Minz/CurrentPagePaginationException.php
index 74214d879..3e3d9d1b4 100644
--- a/lib/Minz/CurrentPagePaginationException.php
+++ b/lib/Minz/CurrentPagePaginationException.php
@@ -2,7 +2,7 @@
 class Minz_CurrentPagePaginationException extends Minz_Exception {
 	public function __construct ($page) {
 		$message = 'Page number `' . $page . '` doesn\'t exist';
-		
+
 		parent::__construct ($message, self::ERROR);
 	}
 }
diff --git a/lib/Minz/Dispatcher.php b/lib/Minz/Dispatcher.php
index 125ce5757..bdb1c76f6 100644
--- a/lib/Minz/Dispatcher.php
+++ b/lib/Minz/Dispatcher.php
@@ -1,5 +1,5 @@
 <?php
-/** 
+/**
  * MINZ - Copyright 2011 Marien Fressinaud
  * Sous licence AGPL3 <http://www.gnu.org/licenses/>
 */
diff --git a/lib/Minz/Extension.php b/lib/Minz/Extension.php
index d7ee8fe81..78b8a2725 100644
--- a/lib/Minz/Extension.php
+++ b/lib/Minz/Extension.php
@@ -168,7 +168,7 @@ class Minz_Extension {
 		$url = '/ext.php?f=' . $file_name_url .
 		       '&amp;t=' . $type .
 		       '&amp;' . $mtime;
-		return Minz_Url::display($url);
+		return Minz_Url::display($url, 'php');
 	}
 
 	/**
diff --git a/lib/Minz/ExtensionManager.php b/lib/Minz/ExtensionManager.php
index c5c68a8d4..02a99701f 100644
--- a/lib/Minz/ExtensionManager.php
+++ b/lib/Minz/ExtensionManager.php
@@ -94,8 +94,8 @@ class Minz_ExtensionManager {
 	 * If the extension class name is `TestExtension`, entry point will be `Test`.
 	 * `entry_point` must be composed of alphanumeric characters.
 	 *
-	 * @param $meta is an array of values.
-	 * @return true if the array is valid, false else.
+	 * @param array $meta is an array of values.
+	 * @return bool true if the array is valid, false else.
 	 */
 	public static function isValidMetadata($meta) {
 		$valid_chars = array('_');
@@ -107,8 +107,8 @@ class Minz_ExtensionManager {
 	/**
 	 * Load the extension source code based on info metadata.
 	 *
-	 * @param $info an array containing information about extension.
-	 * @return an extension inheriting from Minz_Extension.
+	 * @param array $info an array containing information about extension.
+	 * @return Minz_Extension|null an extension inheriting from Minz_Extension.
 	 */
 	public static function load($info) {
 		$entry_point_filename = $info['path'] . '/' . self::$ext_entry_point;
@@ -127,9 +127,9 @@ class Minz_ExtensionManager {
 		$extension = null;
 		try {
 			$extension = new $ext_class_name($info);
-		} catch (Minz_ExtensionException $e) {
+		} catch (Exception $e) {
 			// We cannot load the extension? Invalid!
-			Minz_Log::warning('In `' . $metadata_filename . '`: ' . $e->getMessage());
+			Minz_Log::warning('Invalid extension `' . $ext_class_name . '`: ' . $e->getMessage());
 			return null;
 		}
 
@@ -149,7 +149,7 @@ class Minz_ExtensionManager {
 	 * If the extension is present in $ext_auto_enabled and if its type is "system",
 	 * it will be enabled in the same time.
 	 *
-	 * @param $ext a valid extension.
+	 * @param Minz_Extension $ext a valid extension.
 	 */
 	public static function register($ext) {
 		$name = $ext->getName();
@@ -168,7 +168,7 @@ class Minz_ExtensionManager {
 	 *
 	 * The extension init() method will be called.
 	 *
-	 * @param $ext_name is the name of a valid extension present in $ext_list.
+	 * @param Minz_Extension $ext_name is the name of a valid extension present in $ext_list.
 	 */
 	public static function enable($ext_name) {
 		if (isset(self::$ext_list[$ext_name])) {
@@ -182,7 +182,7 @@ class Minz_ExtensionManager {
 	/**
 	 * Enable a list of extensions.
 	 *
-	 * @param $ext_list the names of extensions we want to load.
+	 * @param string[] $ext_list the names of extensions we want to load.
 	 */
 	public static function enableByList($ext_list) {
 		foreach ($ext_list as $ext_name) {
@@ -193,8 +193,8 @@ class Minz_ExtensionManager {
 	/**
 	 * Return a list of extensions.
 	 *
-	 * @param $only_enabled if true returns only the enabled extensions (false by default).
-	 * @return an array of extensions.
+	 * @param bool $only_enabled if true returns only the enabled extensions (false by default).
+	 * @return Minz_Extension[] an array of extensions.
 	 */
 	public static function listExtensions($only_enabled = false) {
 		if ($only_enabled) {
@@ -207,8 +207,8 @@ class Minz_ExtensionManager {
 	/**
 	 * Return an extension by its name.
 	 *
-	 * @param $ext_name the name of the extension.
-	 * @return the corresponding extension or null if it doesn't exist.
+	 * @param string $ext_name the name of the extension.
+	 * @return Minz_Extension|null the corresponding extension or null if it doesn't exist.
 	 */
 	public static function findExtension($ext_name) {
 		if (!isset(self::$ext_list[$ext_name])) {
@@ -224,9 +224,9 @@ class Minz_ExtensionManager {
 	 * The hook name must be a valid one. For the valid list, see self::$hook_list
 	 * array keys.
 	 *
-	 * @param $hook_name the hook name (must exist).
-	 * @param $hook_function the function name to call (must be callable).
-	 * @param $ext the extension which register the hook.
+	 * @param string $hook_name the hook name (must exist).
+	 * @param callable $hook_function the function name to call (must be callable).
+	 * @param Minz_Extension $ext the extension which register the hook.
 	 */
 	public static function addHook($hook_name, $hook_function, $ext) {
 		if (isset(self::$hook_list[$hook_name]) && is_callable($hook_function)) {
@@ -241,8 +241,8 @@ class Minz_ExtensionManager {
 	 * The hook name must be a valid one. For the valid list, see self::$hook_list
 	 * array keys.
 	 *
-	 * @param $hook_name the hook to call.
-	 * @param additionnal parameters (for signature, please see self::$hook_list).
+	 * @param string $hook_name the hook to call.
+	 * @param additional parameters (for signature, please see self::$hook_list).
 	 * @return the final result of the called hook.
 	 */
 	public static function callHook($hook_name) {
diff --git a/lib/Minz/FileNotExistException.php b/lib/Minz/FileNotExistException.php
index f8dfbdf66..f97f161af 100644
--- a/lib/Minz/FileNotExistException.php
+++ b/lib/Minz/FileNotExistException.php
@@ -2,7 +2,7 @@
 class Minz_FileNotExistException extends Minz_Exception {
 	public function __construct ($file_name, $code = self::ERROR) {
 		$message = 'File not found: `' . $file_name.'`';
-		
+
 		parent::__construct ($message, $code);
 	}
 }
diff --git a/lib/Minz/FrontController.php b/lib/Minz/FrontController.php
index f9eff3db6..066278b7c 100644
--- a/lib/Minz/FrontController.php
+++ b/lib/Minz/FrontController.php
@@ -33,7 +33,7 @@ class Minz_FrontController {
 		try {
 			Minz_Configuration::register('system',
 			                             DATA_PATH . '/config.php',
-			                             DATA_PATH . '/config.default.php');
+			                             FRESHRSS_PATH . '/config.default.php');
 			$this->setReporting();
 
 			Minz_Request::init();
@@ -119,12 +119,12 @@ class Minz_FrontController {
 		switch($conf->environment) {
 		case 'production':
 			error_reporting(E_ALL);
-			ini_set('display_errors','Off');
+			ini_set('display_errors', 'Off');
 			ini_set('log_errors', 'On');
 			break;
 		case 'development':
 			error_reporting(E_ALL);
-			ini_set('display_errors','On');
+			ini_set('display_errors', 'On');
 			ini_set('log_errors', 'On');
 			break;
 		case 'silent':
diff --git a/lib/Minz/Helper.php b/lib/Minz/Helper.php
index f4a547c4e..c328d9e6b 100644
--- a/lib/Minz/Helper.php
+++ b/lib/Minz/Helper.php
@@ -1,5 +1,5 @@
 <?php
-/** 
+/**
  * MINZ - Copyright 2011 Marien Fressinaud
  * Sous licence AGPL3 <http://www.gnu.org/licenses/>
 */
@@ -13,7 +13,7 @@ class Minz_Helper {
 	 * @param $var variable à traiter (tableau ou simple variable)
 	 */
 	public static function stripslashes_r($var) {
-		if (is_array($var)){
+		if (is_array($var)) {
 			return array_map(array('Minz_Helper', 'stripslashes_r'), $var);
 		} else {
 			return stripslashes($var);
diff --git a/lib/Minz/Log.php b/lib/Minz/Log.php
index 2a9e10993..5e7831cdb 100644
--- a/lib/Minz/Log.php
+++ b/lib/Minz/Log.php
@@ -29,6 +29,7 @@ class Minz_Log {
 	 * @param $information message d'erreur / information à enregistrer
 	 * @param $level niveau d'erreur
 	 * @param $file_name fichier de log
+	 * @throws Minz_PermissionDeniedException
 	 */
 	public static function record ($information, $level, $file_name = null) {
 		try {
@@ -42,7 +43,11 @@ class Minz_Log {
 		       || ($env === 'production'
 		       && ($level >= Minz_Log::NOTICE)))) {
 			if ($file_name === null) {
-				$file_name = join_path(USERS_PATH, Minz_Session::param('currentUser', '_'), 'log.txt');
+				$username = Minz_Session::param('currentUser', '');
+				if ($username == '') {
+					$username = '_';
+				}
+				$file_name = join_path(USERS_PATH, $username, 'log.txt');
 			}
 
 			switch ($level) {
@@ -66,6 +71,8 @@ class Minz_Log {
 			     . ' [' . $level_label . ']'
 			     . ' --- ' . $information . "\n";
 
+			self::ensureMaxLogSize($file_name);
+
 			if (file_put_contents($file_name, $log, FILE_APPEND | LOCK_EX) === false) {
 				throw new Minz_PermissionDeniedException($file_name, Minz_Exception::ERROR);
 			}
@@ -73,6 +80,36 @@ class Minz_Log {
 	}
 
 	/**
+	 * Make sure we do not waste a huge amount of disk space with old log messages.
+	 *
+	 * This method can be called multiple times for one script execution, but its result will not change unless
+	 * you call clearstatcache() in between. We won't due do that for performance reasons.
+	 *
+	 * @param $file_name
+	 * @throws Minz_PermissionDeniedException
+	 */
+	protected static function ensureMaxLogSize($file_name) {
+		$maxSize = defined('MAX_LOG_SIZE') ? MAX_LOG_SIZE : 1048576;
+		if ($maxSize > 0 && @filesize($file_name) > $maxSize) {
+			$fp = fopen($file_name, 'c+');
+			if ($fp && flock($fp, LOCK_EX)) {
+				fseek($fp, -intval($maxSize / 2), SEEK_END);
+				$content = fread($fp, $maxSize);
+				rewind($fp);
+				ftruncate($fp, 0);
+				fwrite($fp, $content ? $content : '');
+				fflush($fp);
+				flock($fp, LOCK_UN);
+			} else {
+				throw new Minz_PermissionDeniedException($file_name, Minz_Exception::ERROR);
+			}
+			if ($fp) {
+				fclose($fp);
+			}
+		}
+	}
+
+	/**
 	 * Automatise le log des variables globales $_GET et $_POST
 	 * Fait appel à la fonction record(...)
 	 * Ne fonctionne qu'en environnement "development"
diff --git a/lib/Minz/Model.php b/lib/Minz/Model.php
index adbaba942..1310888cf 100644
--- a/lib/Minz/Model.php
+++ b/lib/Minz/Model.php
@@ -1,5 +1,5 @@
 <?php
-/** 
+/**
  * MINZ - Copyright 2011 Marien Fressinaud
  * Sous licence AGPL3 <http://www.gnu.org/licenses/>
 */
diff --git a/lib/Minz/ModelArray.php b/lib/Minz/ModelArray.php
index ff23dbc83..1ac2b313d 100644
--- a/lib/Minz/ModelArray.php
+++ b/lib/Minz/ModelArray.php
@@ -25,8 +25,7 @@ class Minz_ModelArray {
 	protected function loadArray() {
 		if (!file_exists($this->filename)) {
 			throw new Minz_FileNotExistException($this->filename, Minz_Exception::WARNING);
-		}
-		elseif (($handle = $this->getLock()) === false) {
+		} elseif (($handle = $this->getLock()) === false) {
 			throw new Minz_PermissionDeniedException($this->filename);
 		} else {
 			$data = include($this->filename);
diff --git a/lib/Minz/ModelPdo.php b/lib/Minz/ModelPdo.php
index ac7a1bed7..d769e0ff4 100644
--- a/lib/Minz/ModelPdo.php
+++ b/lib/Minz/ModelPdo.php
@@ -16,7 +16,6 @@ class Minz_ModelPdo {
 	public static $useSharedBd = true;
 	private static $sharedBd = null;
 	private static $sharedPrefix;
-	private static $has_transaction = false;
 	private static $sharedCurrentUser;
 	protected static $sharedDbType;
 
@@ -37,57 +36,61 @@ class Minz_ModelPdo {
 	 * HOST, BASE, USER et PASS définies dans le fichier de configuration
 	 */
 	public function __construct($currentUser = null) {
-		if (self::$useSharedBd && self::$sharedBd != null && $currentUser === null) {
+		if ($currentUser === null) {
+			$currentUser = Minz_Session::param('currentUser');
+		}
+		if (self::$useSharedBd && self::$sharedBd != null &&
+			($currentUser == null || $currentUser === self::$sharedCurrentUser)) {
 			$this->bd = self::$sharedBd;
 			$this->prefix = self::$sharedPrefix;
 			$this->current_user = self::$sharedCurrentUser;
 			return;
 		}
+		$this->current_user = $currentUser;
+		self::$sharedCurrentUser = $currentUser;
 
 		$conf = Minz_Configuration::get('system');
 		$db = $conf->db;
 
-		if ($currentUser === null) {
-			$currentUser = Minz_Session::param('currentUser', '_');
-		}
-		$this->current_user = $currentUser;
-		self::$sharedCurrentUser = $currentUser;
+		$driver_options = isset($conf->db['pdo_options']) && is_array($conf->db['pdo_options']) ? $conf->db['pdo_options'] : array();
+		$dbServer = parse_url('db://' . $db['host']);
 
 		try {
-			$type = $db['type'];
-			if ($type === 'mysql') {
-				$string = 'mysql:host=' . $db['host']
-				        . ';dbname=' . $db['base']
-				        . ';charset=utf8';
-				$driver_options = array(
-					PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8',
-				);
-				$this->prefix = $db['prefix'] . $currentUser . '_';
-			} elseif ($type === 'sqlite') {
-				$string = 'sqlite:' . join_path(DATA_PATH, 'users', $currentUser, 'db.sqlite');
-				$driver_options = array(
-					//PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
-				);
-				$this->prefix = '';
-			} else {
-				throw new Minz_PDOConnectionException(
-					'Invalid database type!',
-					$db['user'], Minz_Exception::ERROR
-				);
-			}
-			self::$sharedDbType = $type;
-			self::$sharedPrefix = $this->prefix;
-
-			$this->bd = new MinzPDO(
-				$string,
-				$db['user'],
-				$db['password'],
-				$driver_options
-			);
-			if ($type === 'sqlite') {
-				$this->bd->exec('PRAGMA foreign_keys = ON;');
+			switch ($db['type']) {
+				case 'mysql':
+					$string = 'mysql:host=' . $dbServer['host'] . ';dbname=' . $db['base'] . ';charset=utf8mb4';
+					if (!empty($dbServer['port'])) {
+						$string .= ';port=' . $dbServer['port'];
+					}
+					$driver_options[PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET NAMES utf8mb4';
+					$this->prefix = $db['prefix'] . $currentUser . '_';
+					$this->bd = new MinzPDOMySql($string, $db['user'], $db['password'], $driver_options);
+					break;
+				case 'sqlite':
+					$string = 'sqlite:' . join_path(DATA_PATH, 'users', $currentUser, 'db.sqlite');
+					$this->prefix = '';
+					$this->bd = new MinzPDOMSQLite($string, $db['user'], $db['password'], $driver_options);
+					$this->bd->exec('PRAGMA foreign_keys = ON;');
+					break;
+				case 'pgsql':
+					$string = 'pgsql:host=' . $dbServer['host'] . ';dbname=' . $db['base'];
+					if (!empty($dbServer['port'])) {
+						$string .= ';port=' . $dbServer['port'];
+					}
+					$this->prefix = $db['prefix'] . $currentUser . '_';
+					$this->bd = new MinzPDOPGSQL($string, $db['user'], $db['password'], $driver_options);
+					$this->bd->exec("SET NAMES 'UTF8';");
+					break;
+				default:
+					throw new Minz_PDOConnectionException(
+						'Invalid database type!',
+						$db['user'], Minz_Exception::ERROR
+					);
+					break;
 			}
 			self::$sharedBd = $this->bd;
+			self::$sharedDbType = $db['type'];
+			self::$sharedPrefix = $this->prefix;
 		} catch (Exception $e) {
 			throw new Minz_PDOConnectionException(
 				$string,
@@ -98,24 +101,27 @@ class Minz_ModelPdo {
 
 	public function beginTransaction() {
 		$this->bd->beginTransaction();
-		self::$has_transaction = true;
 	}
-	public function hasTransaction() {
-		return self::$has_transaction;
+	public function inTransaction() {
+		return $this->bd->inTransaction();	//requires PHP >= 5.3.3
 	}
 	public function commit() {
 		$this->bd->commit();
-		self::$has_transaction = false;
 	}
 	public function rollBack() {
 		$this->bd->rollBack();
-		self::$has_transaction = false;
 	}
 
 	public static function clean() {
 		self::$sharedBd = null;
 		self::$sharedPrefix = '';
 	}
+
+	public function disableBuffering() {
+		if ((self::$sharedDbType === 'mysql') && defined('PDO::MYSQL_ATTR_USE_BUFFERED_QUERY')) {
+			$this->bd->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, false);
+		}
+	}
 }
 
 class MinzPDO extends PDO {
@@ -125,13 +131,43 @@ class MinzPDO extends PDO {
 		}
 	}
 
+	protected function compatibility($statement) {
+		return $statement;
+	}
+
 	public function prepare($statement, $driver_options = array()) {
 		MinzPDO::check($statement);
+		$statement = $this->compatibility($statement);
 		return parent::prepare($statement, $driver_options);
 	}
 
 	public function exec($statement) {
 		MinzPDO::check($statement);
+		$statement = $this->compatibility($statement);
 		return parent::exec($statement);
 	}
+
+	public function query($statement) {
+		MinzPDO::check($statement);
+		$statement = $this->compatibility($statement);
+		return parent::query($statement);
+	}
+}
+
+class MinzPDOMySql extends MinzPDO {
+	public function lastInsertId($name = null) {
+		return parent::lastInsertId();	//We discard the name, only used by PostgreSQL
+	}
+}
+
+class MinzPDOMSQLite extends MinzPDO {
+	public function lastInsertId($name = null) {
+		return parent::lastInsertId();	//We discard the name, only used by PostgreSQL
+	}
+}
+
+class MinzPDOPGSQL extends MinzPDO {
+	protected function compatibility($statement) {
+		return str_replace(array('`', ' LIKE '), array('"', ' ILIKE '), $statement);
+	}
 }
diff --git a/lib/Minz/PDOConnectionException.php b/lib/Minz/PDOConnectionException.php
index faf2e0fe9..064748708 100644
--- a/lib/Minz/PDOConnectionException.php
+++ b/lib/Minz/PDOConnectionException.php
@@ -3,7 +3,7 @@ class Minz_PDOConnectionException extends Minz_Exception {
 	public function __construct ($string_connection, $user, $code = self::ERROR) {
 		$message = 'Access to database is denied for `' . $user . '`'
 		         . ' (`' . $string_connection . '`)';
-		
+
 		parent::__construct ($message, $code);
 	}
 }
diff --git a/lib/Minz/Paginator.php b/lib/Minz/Paginator.php
index 5858e76a5..795085a30 100644
--- a/lib/Minz/Paginator.php
+++ b/lib/Minz/Paginator.php
@@ -1,5 +1,5 @@
 <?php
-/** 
+/**
  * MINZ - Copyright 2011 Marien Fressinaud
  * Sous licence AGPL3 <http://www.gnu.org/licenses/>
 */
@@ -51,7 +51,7 @@ class Minz_Paginator {
 	 */
 	public function render ($view, $getteur) {
 		$view = APP_PATH . '/views/helpers/'.$view;
-		
+
 		if (file_exists ($view)) {
 			include ($view);
 		}
@@ -129,7 +129,7 @@ class Minz_Paginator {
 			$begin = ($this->currentPage - 1) * $this->nbItemsPerPage;
 			$counter = 0;
 			$i = 0;
-			
+
 			foreach ($this->items as $key => $item) {
 				if ($i >= $begin) {
 					$array[$key] = $item;
@@ -164,7 +164,7 @@ class Minz_Paginator {
 		if (is_array ($items)) {
 			$this->items = $items;
 		}
-		
+
 		$this->_nbPage ();
 	}
 	public function _nbItemsPerPage ($nbItemsPerPage) {
diff --git a/lib/Minz/Request.php b/lib/Minz/Request.php
index 6db2e9c7a..f80b707d6 100644
--- a/lib/Minz/Request.php
+++ b/lib/Minz/Request.php
@@ -85,44 +85,64 @@ class Minz_Request {
 	}
 
 	/**
-	 * Retourn le nom de domaine du site
+	 * Return true if the request is over HTTPS, false otherwise (HTTP)
 	 */
-	public static function getDomainName() {
-		return $_SERVER['HTTP_HOST'];
+	public static function isHttps() {
+		if (isset($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
+			return strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) === 'https';
+		} else {
+			return isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on';
+		}
 	}
 
 	/**
-	 * Détermine la base de l'url
-	 * @return la base de l'url
+	 * Try to guess the base URL from $_SERVER information
+	 *
+	 * @return the base url (e.g. http://example.com/)
 	 */
-	public static function getBaseUrl() {
-		$conf = Minz_Configuration::get('system');
-		$defaultBaseUrl = $conf->base_url;
-		if (!empty($defaultBaseUrl)) {
-			return $defaultBaseUrl;
-		} elseif (isset($_SERVER['REQUEST_URI'])) {
-			return dirname($_SERVER['REQUEST_URI']) . '/';
+	public static function guessBaseUrl() {
+		$url = 'http';
+
+		$https = self::isHttps();
+
+		if (!empty($_SERVER['HTTP_HOST'])) {
+			$host = $_SERVER['HTTP_HOST'];
+		} elseif (!empty($_SERVER['SERVER_NAME'])) {
+			$host = $_SERVER['SERVER_NAME'];
 		} else {
-			return '/';
+			$host = 'localhost';
 		}
-	}
 
-	/**
-	 * Récupère l'URI de la requête
-	 * @return l'URI
-	 */
-	public static function getURI() {
-		if (isset($_SERVER['REQUEST_URI'])) {
-			$base_url = self::getBaseUrl();
-			$uri = $_SERVER['REQUEST_URI'];
+		if (!empty($_SERVER['HTTP_X_FORWARDED_PORT'])) {
+			$port = intval($_SERVER['HTTP_X_FORWARDED_PORT']);
+		} elseif (!empty($_SERVER['SERVER_PORT'])) {
+			$port = intval($_SERVER['SERVER_PORT']);
+		} else {
+			$port = $https ? 443 : 80;
+		}
 
-			$len_base_url = strlen($base_url);
-			$real_uri = substr($uri, $len_base_url);
+		if ($https) {
+			$url .= 's://' . $host . ($port == 443 ? '' : ':' . $port);
 		} else {
-			$real_uri = '';
+			$url .= '://' . $host . ($port == 80 ? '' : ':' . $port);
 		}
+		if (isset($_SERVER['REQUEST_URI'])) {
+			$path = $_SERVER['REQUEST_URI'];
+			$url .= substr($path, -1) === '/' ? substr($path, 0, -1) : dirname($path);
+		}
+
+		return filter_var($url, FILTER_SANITIZE_URL);
+	}
 
-		return $real_uri;
+	/**
+	 * Return the base_url from configuration and add a suffix if given.
+	 *
+	 * @return the base_url with a suffix.
+	 */
+	public static function getBaseUrl() {
+		$conf = Minz_Configuration::get('system');
+		$url = rtrim($conf->base_url, '/\\');
+		return filter_var($url, FILTER_SANITIZE_URL);
 	}
 
 	/**
diff --git a/lib/Minz/Session.php b/lib/Minz/Session.php
index 058685ada..c94f2b646 100644
--- a/lib/Minz/Session.php
+++ b/lib/Minz/Session.php
@@ -59,16 +59,21 @@ class Minz_Session {
 		}
 	}
 
+	public static function getCookieDir() {
+		// Get the script_name (e.g. /p/i/index.php) and keep only the path.
+		$cookie_dir = empty($_SERVER['REQUEST_URI']) ? '/' : $_SERVER['REQUEST_URI'];
+		if (substr($cookie_dir, -1) !== '/') {
+			$cookie_dir = dirname($cookie_dir) . '/';
+		}
+		return $cookie_dir;
+	}
 
 	/**
 	 * Spécifie la durée de vie des cookies
 	 * @param $l la durée de vie
 	 */
 	public static function keepCookie($l) {
-		// Get the script_name (e.g. /p/i/index.php) and keep only the path.
-		$cookie_dir = empty($_SERVER['SCRIPT_NAME']) ? '' : $_SERVER['SCRIPT_NAME'];
-		$cookie_dir = dirname($cookie_dir);
-		session_set_cookie_params($l, $cookie_dir, '', false, true);
+		session_set_cookie_params($l, self::getCookieDir(), '', Minz_Request::isHttps(), true);
 	}
 
 
@@ -81,11 +86,11 @@ class Minz_Session {
 	}
 
 	public static function deleteLongTermCookie($name) {
-		setcookie($name, '', 1, '', '', false, true);
+		setcookie($name, '', 1, '', '', Minz_Request::isHttps(), true);
 	}
 
 	public static function setLongTermCookie($name, $value, $expire) {
-		setcookie($name, $value, $expire, '', '', false, true);
+		setcookie($name, $value, $expire, '', '', Minz_Request::isHttps(), true);
 	}
 
 	public static function getLongTermCookie($name) {
diff --git a/lib/Minz/Translate.php b/lib/Minz/Translate.php
index baddcb424..d9cd59f7e 100644
--- a/lib/Minz/Translate.php
+++ b/lib/Minz/Translate.php
@@ -1,5 +1,5 @@
 <?php
-/** 
+/**
  * MINZ - Copyright 2011 Marien Fressinaud
  * Sous licence AGPL3 <http://www.gnu.org/licenses/>
  */
@@ -153,7 +153,7 @@ class Minz_Translate {
 	 * @param additional parameters for variable keys.
 	 * @return the value corresponding to the key.
 	 *         If no value is found, return the key itself.
-	 */ 
+	 */
 	public static function t($key) {
 		$group = explode('.', $key);
 
diff --git a/lib/Minz/Url.php b/lib/Minz/Url.php
index af555a277..99c0443c1 100644
--- a/lib/Minz/Url.php
+++ b/lib/Minz/Url.php
@@ -10,7 +10,6 @@ class Minz_Url {
 	 *                    $url['c'] = controller
 	 *                    $url['a'] = action
 	 *                    $url['params'] = tableau des paramètres supplémentaires
-	 *                    $url['protocol'] = protocole à utiliser (http par défaut)
 	 *             ou comme une chaîne de caractère
 	 * @param $encodage pour indiquer comment encoder les & (& ou &amp; pour html)
 	 * @return l'url formatée
@@ -19,26 +18,30 @@ class Minz_Url {
 		$isArray = is_array($url);
 
 		if ($isArray) {
-			$url = self::checkUrl ($url);
+			$url = self::checkUrl($url);
 		}
 
 		$url_string = '';
 
 		if ($absolute) {
-			if ($isArray && isset ($url['protocol'])) {
-				$protocol = $url['protocol'];
-			} elseif (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {
-				$protocol = 'https:';
-			} else {
-				$protocol = 'http:';
+			$url_string = Minz_Request::getBaseUrl();
+			if ($url_string == '') {
+				$url_string = Minz_Request::guessBaseUrl();
+			}
+			if ($isArray) {
+				$url_string .= PUBLIC_TO_INDEX_PATH;
+			}
+			if ($absolute === 'root') {
+				$url_string = parse_url($url_string, PHP_URL_PATH);
 			}
-			$url_string = $protocol . '//' . Minz_Request::getDomainName () . Minz_Request::getBaseUrl ();
 		} else {
 			$url_string = $isArray ? '.' : PUBLIC_RELATIVE;
 		}
 
 		if ($isArray) {
-			$url_string .= self::printUri ($url, $encodage);
+			$url_string .= self::printUri($url, $encodage);
+		} elseif ($encodage === 'html') {
+			$url_string = Minz_Helper::htmlspecialchars_utf8($url_string . $url);
 		} else {
 			$url_string .= $url;
 		}
@@ -75,6 +78,8 @@ class Minz_Url {
 		}
 
 		if (isset($url['params'])) {
+			unset($url['params']['c']);
+			unset($url['params']['a']);
 			foreach ($url['params'] as $key => $param) {
 				$uri .= $separator . urlencode($key) . '=' . urlencode($param);
 				$separator = $and;
diff --git a/lib/Minz/View.php b/lib/Minz/View.php
index ff5cce4a5..d6bf6ea2c 100644
--- a/lib/Minz/View.php
+++ b/lib/Minz/View.php
@@ -91,6 +91,7 @@ class Minz_View {
 	 * Construit le layout
 	 */
 	public function buildLayout () {
+		header('Content-Type: text/html; charset=UTF-8');
 		$this->includeFile(self::LAYOUT_PATH_NAME . self::LAYOUT_FILENAME);
 	}
 
@@ -261,5 +262,3 @@ class Minz_View {
 		}
 	}
 }
-
-
diff --git a/lib/SimplePie/SimplePie.php b/lib/SimplePie/SimplePie.php
index c4872b5be..5cd445b6d 100644
--- a/lib/SimplePie/SimplePie.php
+++ b/lib/SimplePie/SimplePie.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2017, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,8 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev-FreshRSS
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @version 1.5
+ * @copyright 2004-2017 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -50,7 +50,7 @@ define('SIMPLEPIE_NAME', 'SimplePie');
 /**
  * SimplePie Version
  */
-define('SIMPLEPIE_VERSION', '1.4-dev-FreshRSS');
+define('SIMPLEPIE_VERSION', '1.5');
 
 /**
  * SimplePie Build
@@ -75,6 +75,12 @@ define('SIMPLEPIE_USERAGENT', SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION . ' (Feed
 define('SIMPLEPIE_LINKBACK', '<a href="' . SIMPLEPIE_URL . '" title="' . SIMPLEPIE_NAME . ' ' . SIMPLEPIE_VERSION . '">' . SIMPLEPIE_NAME . '</a>');
 
 /**
+ * Use syslog to report HTTP requests done by SimplePie.
+ * @see SimplePie::set_syslog()
+ */
+define('SIMPLEPIE_SYSLOG', true);	//FreshRSS
+
+/**
  * No Autodiscovery
  * @see SimplePie::set_autodiscovery_level()
  */
@@ -450,7 +456,7 @@ class SimplePie
 	 * @see SimplePie::subscribe_url()
 	 * @access private
 	 */
-	public $permanent_url = null;	//FreshRSS
+	public $permanent_url = null;
 
 	/**
 	 * @var object Instance of SimplePie_File to use as a feed
@@ -474,6 +480,13 @@ class SimplePie
 	public $timeout = 10;
 
 	/**
+	 * @var array Custom curl options
+	 * @see SimplePie::set_curl_options()
+	 * @access private
+	 */
+	public $curl_options = array();
+
+	/**
 	 * @var bool Forces fsockopen() to be used for remote files instead
 	 * of cURL, even if a new enough version is installed
 	 * @see SimplePie::force_fsockopen()
@@ -497,6 +510,14 @@ class SimplePie
 	public $cache = true;
 
 	/**
+	 * @var bool Force SimplePie to fallback to expired cache, if enabled,
+	 * when feed is unavailable.
+	 * @see SimplePie::force_cache_fallback()
+	 * @access private
+	 */
+	public $force_cache_fallback = false;
+
+	/**
 	 * @var int Cache duration (in seconds)
 	 * @see SimplePie::set_cache_duration()
 	 * @access private
@@ -602,6 +623,12 @@ class SimplePie
 	public $item_limit = 0;
 
 	/**
+	 * @var bool Stores if last-modified and/or etag headers were sent with the
+	 * request when checking a feed.
+	 */
+	public $check_modified = false;
+
+	/**
 	 * @var array Stores the default attributes to be stripped by strip_attributes().
 	 * @see SimplePie::strip_attributes()
 	 * @access private
@@ -613,7 +640,7 @@ class SimplePie
 	 * @see SimplePie::add_attributes()
 	 * @access private
 	 */
-	public $add_attributes = array('audio' => array('preload' => 'none'), 'iframe' => array('sandbox' => 'allow-scripts allow-same-origin'), 'video' => array('preload' => 'none'));	//FreshRSS
+	public $add_attributes = array('audio' => array('preload' => 'none'), 'iframe' => array('sandbox' => 'allow-scripts allow-same-origin'), 'video' => array('preload' => 'none'));
 
 	/**
 	 * @var array Stores the default tags to be stripped by strip_htmltags().
@@ -623,6 +650,18 @@ class SimplePie
 	public $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
 
 	/**
+	 * @var bool Should we throw exceptions, or use the old-style error property?
+	 * @access private
+	 */
+	public $enable_exceptions = false;
+	
+	/**
+	 * Use syslog to report HTTP requests done by SimplePie.
+	 * @see SimplePie::set_syslog()
+	 */
+	public $syslog_enabled = SIMPLEPIE_SYSLOG;
+
+	/**
 	 * The SimplePie class contains feed level data and options
 	 *
 	 * To use SimplePie, create the SimplePie object with no parameters. You can
@@ -638,9 +677,9 @@ class SimplePie
 	 */
 	public function __construct()
 	{
-		if (version_compare(PHP_VERSION, '5.2', '<'))
+		if (version_compare(PHP_VERSION, '5.3', '<'))
 		{
-			trigger_error('PHP 4.x, 5.0 and 5.1 are no longer supported. Please upgrade to PHP 5.2 or newer.');
+			trigger_error('Please upgrade to PHP 5.3 or newer.');
 			die();
 		}
 
@@ -742,7 +781,7 @@ class SimplePie
 		else
 		{
 			$this->feed_url = $this->registry->call('Misc', 'fix_protocol', array($url, 1));
-			$this->permanent_url = $this->feed_url;	//FreshRSS
+			$this->permanent_url = $this->feed_url;
 		}
 	}
 
@@ -757,7 +796,7 @@ class SimplePie
 		if ($file instanceof SimplePie_File)
 		{
 			$this->feed_url = $file->url;
-			$this->permanent_url = $this->feed_url;	//FreshRSS
+			$this->permanent_url = $this->feed_url;
 			$this->file =& $file;
 			return true;
 		}
@@ -797,6 +836,19 @@ class SimplePie
 	}
 
 	/**
+	 * Set custom curl options
+	 *
+	 * This allows you to change default curl options
+	 *
+	 * @since 1.0 Beta 3
+	 * @param array $curl_options Curl options to add to default settings
+	 */
+	public function set_curl_options(array $curl_options = array())
+	{
+		$this->curl_options = $curl_options;
+	}
+
+	/**
 	 * Force SimplePie to use fsockopen() instead of cURL
 	 *
 	 * @since 1.0 Beta 3
@@ -822,6 +874,21 @@ class SimplePie
 	}
 
 	/**
+	 * SimplePie to continue to fall back to expired cache, if enabled, when
+	 * feed is unavailable.
+	 *
+	 * This tells SimplePie to ignore any file errors and fall back to cache
+	 * instead. This only works if caching is enabled and cached content
+	 * still exists.
+
+	 * @param bool $enable Force use of cache on fail.
+	 */
+	public function force_cache_fallback($enable = false)
+	{
+		$this->force_cache_fallback= (bool) $enable;
+	}
+
+	/**
 	 * Set the length of time (in seconds) that the contents of a feed will be
 	 * cached
 	 *
@@ -1091,6 +1158,7 @@ class SimplePie
 			$this->strip_attributes(false);
 			$this->add_attributes(false);
 			$this->set_image_handler(false);
+			$this->set_https_domains(array());
 		}
 	}
 
@@ -1146,15 +1214,23 @@ class SimplePie
 	}
 
 	/**
+	 * Use syslog to report HTTP requests done by SimplePie.
+	 */
+	public function set_syslog($value = SIMPLEPIE_SYSLOG)	//FreshRSS
+	{
+		$this->syslog_enabled = $value == true;
+	}
+
+	/**
 	 * Set the output encoding
 	 *
 	 * Allows you to override SimplePie's output to match that of your webpage.
 	 * This is useful for times when your webpages are not being served as
-	 * UTF-8.  This setting will be obeyed by {@see handle_content_type()}, and
+	 * UTF-8. This setting will be obeyed by {@see handle_content_type()}, and
 	 * is similar to {@see set_input_encoding()}.
 	 *
 	 * It should be noted, however, that not all character encodings can support
-	 * all characters.  If your page is being served as ISO-8859-1 and you try
+	 * all characters. If your page is being served as ISO-8859-1 and you try
 	 * to display a Japanese feed, you'll likely see garbled characters.
 	 * Because of this, it is highly recommended to ensure that your webpages
 	 * are served as UTF-8.
@@ -1194,6 +1270,19 @@ class SimplePie
 	}
 
 	/**
+	 * Set the list of domains for which force HTTPS.
+	 * @see SimplePie_Sanitize::set_https_domains()
+	 * FreshRSS
+	 */
+	public function set_https_domains($domains = array())
+	{
+		if (is_array($domains))
+		{
+			$this->sanitize->set_https_domains($domains);
+		}
+	}
+
+	/**
 	 * Set the handler to enable the display of cached images.
 	 *
 	 * @param str $page Web-accessible path to the handler_image.php file.
@@ -1231,14 +1320,15 @@ class SimplePie
 		$this->enable_exceptions = $enable;
 	}
 
-	function cleanMd5($rss) {	//FreshRSS
+	function cleanMd5($rss)
+	{
 		return md5(preg_replace(array('#<(lastBuildDate|pubDate|updated|feedDate|dc:date|slash:comments)>[^<]+</\\1>#', '#<!--.+?-->#s'), '', $rss));
 	}
 
 	/**
 	 * Initialize the feed object
 	 *
-	 * This is what makes everything happen.  Period.  This is where all of the
+	 * This is what makes everything happen. Period. This is where all of the
 	 * configuration options get processed, feeds are fetched, cached, and
 	 * parsed, and all of that other good stuff.
 	 *
@@ -1249,6 +1339,7 @@ class SimplePie
 		// Check absolute bare minimum requirements.
 		if (!extension_loaded('xml') || !extension_loaded('pcre'))
 		{
+			$this->error = 'XML or PCRE extensions not loaded!';
 			return false;
 		}
 		// Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP < 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don't have xmlreader.
@@ -1276,7 +1367,7 @@ class SimplePie
 		// Pass whatever was set with config options over to the sanitizer.
 		// Pass the classes in for legacy support; new classes should use the registry instead
 		$this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->registry->get_class('Cache'));
-		$this->sanitize->pass_file_data($this->registry->get_class('File'), $this->timeout, $this->useragent, $this->force_fsockopen);
+		$this->sanitize->pass_file_data($this->registry->get_class('File'), $this->timeout, $this->useragent, $this->force_fsockopen, $this->curl_options);
 
 		if (!empty($this->multifeed_url))
 		{
@@ -1305,6 +1396,7 @@ class SimplePie
 
 		$this->error = null;
 		$this->data = array();
+		$this->check_modified = false;
 		$this->multifeed_objects = array();
 		$cache = false;
 
@@ -1321,7 +1413,7 @@ class SimplePie
 			// Fetch the data via SimplePie_File into $this->raw_data
 			if (($fetched = $this->fetch_data($cache)) === true)
 			{
-				return $this->data['mtime'];	//FreshRSS
+				return $this->data['mtime'];
 			}
 			elseif ($fetched === false) {
 				return false;
@@ -1329,10 +1421,18 @@ class SimplePie
 
 			list($headers, $sniffed) = $fetched;
 
-			if (isset($this->data['md5'])) {	//FreshRSS
+			if (isset($this->data['md5']))
+			{
 				$md5 = $this->data['md5'];
 			}
 		}
+		
+		// Empty response check
+		if(empty($this->raw_data)){
+			$this->error = "A feed could not be found at `$this->feed_url`. Empty body.";
+			$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__));
+			return false;
+		}
 
 		// Set up array of possible encodings
 		$encodings = array();
@@ -1375,7 +1475,7 @@ class SimplePie
 			// Text MIME-type default
 			elseif (substr($sniffed, 0, 5) === 'text/')
 			{
-				$encodings[] = 'US-ASCII';
+				$encodings[] = 'UTF-8';
 			}
 		}
 
@@ -1413,8 +1513,8 @@ class SimplePie
 						$this->data['headers'] = $headers;
 					}
 					$this->data['build'] = SIMPLEPIE_BUILD;
-					$this->data['mtime'] = time();	//FreshRSS
-					$this->data['md5'] = empty($md5) ? $this->cleanMd5($this->raw_data) : $md5;	//FreshRSS
+					$this->data['mtime'] = time();
+					$this->data['md5'] = empty($md5) ? $this->cleanMd5($this->raw_data) : $md5;
 
 					// Cache the file if caching is enabled
 					if ($cache && !$cache->save($this))
@@ -1429,11 +1529,27 @@ class SimplePie
 		if (isset($parser))
 		{
 			// We have an error, just set SimplePie_Misc::error to it and quit
-			$this->error = sprintf('This XML document is invalid, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
+			$this->error = $this->feed_url;
+			$this->error .= sprintf(' is invalid XML, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
 		}
 		else
 		{
-			$this->error = 'The data could not be converted to UTF-8. You MUST have either the iconv or mbstring extension installed. Upgrading to PHP 5.x (which includes iconv) is highly recommended.';
+			$this->error = 'The data could not be converted to UTF-8.';
+			if (!extension_loaded('mbstring') && !extension_loaded('iconv') && !class_exists('\UConverter')) {
+				$this->error .= ' You MUST have either the iconv, mbstring or intl (PHP 5.5+) extension installed and enabled.';
+			} else {
+				$missingExtensions = array();
+				if (!extension_loaded('iconv')) {
+					$missingExtensions[] = 'iconv';
+				}
+				if (!extension_loaded('mbstring')) {
+					$missingExtensions[] = 'mbstring';
+				}
+				if (!class_exists('\UConverter')) {
+					$missingExtensions[] = 'intl (PHP 5.5+)';
+				}
+				$this->error .= ' Try installing/enabling the ' . implode(' or ', $missingExtensions) . ' extension.';
+			}
 		}
 
 		$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__));
@@ -1455,7 +1571,8 @@ class SimplePie
 		{
 			// Load the Cache
 			$this->data = $cache->load();
-			if ($cache->mtime() + $this->cache_duration > time()) {	//FreshRSS
+			if ($cache->mtime() + $this->cache_duration > time())
+			{
 				$this->raw_data = false;
 				return true;	// If the cache is still valid, just return true
 			}
@@ -1491,65 +1608,59 @@ class SimplePie
 					}
 				}
 				// Check if the cache has been updated
-				else //if ($cache->mtime() + $this->cache_duration < time())	//FreshRSS removed
+				else
 				{
-					// If we have last-modified and/or etag set
-					//if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))	//FreshRSS removed
+					$headers = array(
+						'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
+					);
+					if (isset($this->data['headers']['last-modified']))
 					{
-						$headers = array(
-							'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
-						);
-						if (isset($this->data['headers']['last-modified']))
-						{
-							$headers['if-modified-since'] = $this->data['headers']['last-modified'];
-						}
-						if (isset($this->data['headers']['etag']))
-						{
-							$headers['if-none-match'] = $this->data['headers']['etag'];
-						}
+						$headers['if-modified-since'] = $this->data['headers']['last-modified'];
+					}
+					if (isset($this->data['headers']['etag']))
+					{
+						$headers['if-none-match'] = $this->data['headers']['etag'];
+					}
 
-						$file = $this->registry->create('File', array($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen));	//FreshRSS
+					$file = $this->registry->create('File', array($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options, $this->syslog_enabled));
 
-						if ($file->success)
+					if ($file->success)
+					{
+						if ($file->status_code === 304)
 						{
-							if ($file->status_code === 304)
-							{
-								$cache->touch();
-								return true;
-							}
+							$cache->touch();
+							return true;
 						}
-						else
+					}
+					else
+					{
+						$this->check_modified = false;
+						$cache->touch();
+						$this->error = $file->error;
+						return !empty($this->data);
+					}
+
+					$md5 = $this->cleanMd5($file->body);
+					if ($this->data['md5'] === $md5) {
+						if ($this->syslog_enabled)
 						{
-							$cache->touch();	//FreshRSS
-							$this->error = $file->error;	//FreshRSS
-							return !empty($this->data);	//FreshRSS
-							//unset($file);	//FreshRSS removed
+							syslog(LOG_DEBUG, 'SimplePie MD5 cache match for ' . SimplePie_Misc::url_remove_credentials($this->feed_url));
 						}
-					}
-					{	//FreshRSS
-						$md5 = $this->cleanMd5($file->body);
-						if ($this->data['md5'] === $md5) {
-							// syslog(LOG_DEBUG, 'SimplePie MD5 cache match for ' . $this->feed_url);
-							$cache->touch();
-							return true;	//Content unchanged even though server did not send a 304
-						} else {
-							// syslog(LOG_DEBUG, 'SimplePie MD5 cache no match for ' . $this->feed_url);
-							$this->data['md5'] = $md5;
+						$cache->touch();
+						return true;	//Content unchanged even though server did not send a 304
+					} else {
+						if ($this->syslog_enabled)
+						{
+							syslog(LOG_DEBUG, 'SimplePie MD5 cache no match for ' . SimplePie_Misc::url_remove_credentials($this->feed_url));
 						}
+						$this->data['md5'] = $md5;
 					}
 				}
-				//// If the cache is still valid, just return true
-				//else	//FreshRSS removed
-				//{
-				//	$this->raw_data = false;
-				//	return true;
-				//}
-			}
-			// If the cache is empty, delete it
+			}
+			// If the cache is empty
 			else
 			{
-				//$cache->unlink();	//FreshRSS removed
-				$cache->touch();	//FreshRSS
+				$cache->touch();	//To keep the date/time of the last tentative update
 				$this->data = array();
 			}
 		}
@@ -1565,7 +1676,7 @@ class SimplePie
 				$headers = array(
 					'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
 				);
-				$file = $this->registry->create('File', array($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen));
+				$file = $this->registry->create('File', array($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options, $this->syslog_enabled));
 			}
 		}
 		// If the file connection has an error, set SimplePie::error to that and quit
@@ -1582,15 +1693,15 @@ class SimplePie
 
 			if (!$locate->is_feed($file))
 			{
-				$copyStatusCode = $file->status_code;	//FreshRSS
-				$copyContentType = $file->headers['content-type'];	//FreshRSS
+				$copyStatusCode = $file->status_code;
+				$copyContentType = $file->headers['content-type'];
 				// We need to unset this so that if SimplePie::set_file() has been called that object is untouched
 				unset($file);
 				try
 				{
 					if (!($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds)))
 					{
-						$this->error = "A feed could not be found at `$this->feed_url`; the status code is `$copyStatusCode` and content-type is `$copyContentType`";	//FreshRSS
+						$this->error = "A feed could not be found at `$this->feed_url`; the status code is `$copyStatusCode` and content-type is `$copyContentType`";
 						$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__));
 						return false;
 					}
@@ -1605,8 +1716,8 @@ class SimplePie
 				if ($cache)
 				{
 					$this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
-					$this->data['mtime'] = time();	//FreshRSS
-					$this->data['md5'] = empty($md5) ? $this->cleanMd5($file->body) : $md5;	//FreshRSS
+					$this->data['mtime'] = time();
+					$this->data['md5'] = empty($md5) ? $this->cleanMd5($file->body) : $md5;
 					if (!$cache->save($this))
 					{
 						trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
@@ -1618,8 +1729,9 @@ class SimplePie
 			$locate = null;
 		}
 
+		$file->body = trim($file->body);	//FreshRSS
 		$this->raw_data = $file->body;
-		$this->permanent_url = $file->permanent_url;	//FreshRSS
+		$this->permanent_url = $file->permanent_url;
 		$headers = $file->headers;
 		$sniffer = $this->registry->create('Content_Type_Sniffer', array(&$file));
 		$sniffed = $sniffer->get_type();
@@ -1818,23 +1930,28 @@ class SimplePie
 	 * @todo Support <itunes:new-feed-url>
 	 * @todo Also, |atom:link|@rel=self
 	 * @param bool $permanent Permanent mode to return only the original URL or the first redirection
-	 *  iff it is a 301 redirection
+	 * iff it is a 301 redirection
 	 * @return string|null
 	 */
 	public function subscribe_url($permanent = false)
 	{
-		if ($permanent)	//FreshRSS
+		if ($permanent)
 		{
 			if ($this->permanent_url !== null)
 			{
-				return $this->sanitize($this->permanent_url, SIMPLEPIE_CONSTRUCT_IRI);
+				// sanitize encodes ampersands which are required when used in a url.
+				return str_replace('&amp;', '&',
+				                   $this->sanitize($this->permanent_url,
+				                                   SIMPLEPIE_CONSTRUCT_IRI));
 			}
 		}
 		else
 		{
 			if ($this->feed_url !== null)
 			{
-				return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI);
+				return str_replace('&amp;', '&',
+				                   $this->sanitize($this->feed_url,
+				                                   SIMPLEPIE_CONSTRUCT_IRI));
 			}
 		}
 		return null;
@@ -2117,7 +2234,7 @@ class SimplePie
 	 * Get a category for the feed
 	 *
 	 * @since Unknown
-	 * @param int $key The category that you want to return.  Remember that arrays begin with 0, not 1
+	 * @param int $key The category that you want to return. Remember that arrays begin with 0, not 1
 	 * @return SimplePie_Category|null
 	 */
 	public function get_category($key = 0)
@@ -2202,7 +2319,7 @@ class SimplePie
 	 * Get an author for the feed
 	 *
 	 * @since 1.1
-	 * @param int $key The author that you want to return.  Remember that arrays begin with 0, not 1
+	 * @param int $key The author that you want to return. Remember that arrays begin with 0, not 1
 	 * @return SimplePie_Author|null
 	 */
 	public function get_author($key = 0)
@@ -2300,7 +2417,7 @@ class SimplePie
 	 * Get a contributor for the feed
 	 *
 	 * @since 1.1
-	 * @param int $key The contrbutor that you want to return.  Remember that arrays begin with 0, not 1
+	 * @param int $key The contrbutor that you want to return. Remember that arrays begin with 0, not 1
 	 * @return SimplePie_Author|null
 	 */
 	public function get_contributor($key = 0)
@@ -2386,7 +2503,7 @@ class SimplePie
 	 * Get a single link for the feed
 	 *
 	 * @since 1.0 (previously called `get_feed_link` since Preview Release, `get_feed_permalink()` since 0.8)
-	 * @param int $key The link that you want to return.  Remember that arrays begin with 0, not 1
+	 * @param int $key The link that you want to return. Remember that arrays begin with 0, not 1
 	 * @param string $rel The relationship of the link to return
 	 * @return string|null Link URL
 	 */
@@ -2496,6 +2613,12 @@ class SimplePie
 		{
 			return $this->data['links'][$rel];
 		}
+		else if (isset($this->data['headers']['link']) &&
+		         preg_match('/<([^>]+)>; rel='.preg_quote($rel).'/',
+		                    $this->data['headers']['link'], $match))
+		{
+			return array($match[1]);
+		}
 		else
 		{
 			return null;
@@ -2897,7 +3020,7 @@ class SimplePie
 	 *
 	 * @see get_item_quantity()
 	 * @since Beta 2
-	 * @param int $key The item that you want to return.  Remember that arrays begin with 0, not 1
+	 * @param int $key The item that you want to return. Remember that arrays begin with 0, not 1
 	 * @return SimplePie_Item|null
 	 */
 	public function get_item($key = 0)
@@ -2924,7 +3047,7 @@ class SimplePie
 	 * @since Beta 2
 	 * @param int $start Index to start at
 	 * @param int $end Number of items to return. 0 for all items after `$start`
-	 * @return array|null List of {@see SimplePie_Item} objects
+	 * @return SimplePie_Item[]|null List of {@see SimplePie_Item} objects
 	 */
 	public function get_items($start = 0, $end = 0)
 	{
@@ -2933,96 +3056,81 @@ class SimplePie
 			if (!empty($this->multifeed_objects))
 			{
 				$this->data['items'] = SimplePie::merge_items($this->multifeed_objects, $start, $end, $this->item_limit);
+				if (empty($this->data['items']))
+				{
+					return array();
+				}
+				return $this->data['items'];
 			}
-			else
+			$this->data['items'] = array();
+			if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'entry'))
 			{
-				$this->data['items'] = array();
-				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'entry'))
+				$keys = array_keys($items);
+				foreach ($keys as $key)
 				{
-					$keys = array_keys($items);
-					foreach ($keys as $key)
-					{
-						$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
-					}
+					$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
 				}
-				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'entry'))
+			}
+			if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'entry'))
+			{
+				$keys = array_keys($items);
+				foreach ($keys as $key)
 				{
-					$keys = array_keys($items);
-					foreach ($keys as $key)
-					{
-						$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
-					}
+					$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
 				}
-				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'item'))
+			}
+			if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'item'))
+			{
+				$keys = array_keys($items);
+				foreach ($keys as $key)
 				{
-					$keys = array_keys($items);
-					foreach ($keys as $key)
-					{
-						$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
-					}
+					$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
 				}
-				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'item'))
+			}
+			if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'item'))
+			{
+				$keys = array_keys($items);
+				foreach ($keys as $key)
 				{
-					$keys = array_keys($items);
-					foreach ($keys as $key)
-					{
-						$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
-					}
+					$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
 				}
-				if ($items = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'item'))
+			}
+			if ($items = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'item'))
+			{
+				$keys = array_keys($items);
+				foreach ($keys as $key)
 				{
-					$keys = array_keys($items);
-					foreach ($keys as $key)
-					{
-						$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
-					}
+					$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
 				}
 			}
 		}
 
-		if (!empty($this->data['items']))
+		if (empty($this->data['items']))
 		{
-			// If we want to order it by date, check if all items have a date, and then sort it
-			if ($this->order_by_date && empty($this->multifeed_objects))
-			{
-				if (!isset($this->data['ordered_items']))
-				{
-					$do_sort = true;
-					foreach ($this->data['items'] as $item)
-					{
-						if (!$item->get_date('U'))
-						{
-							$do_sort = false;
-							break;
-						}
-					}
-					$item = null;
-					$this->data['ordered_items'] = $this->data['items'];
-					if ($do_sort)
-					{
-						usort($this->data['ordered_items'], array(get_class($this), 'sort_items'));
-					}
-				}
-				$items = $this->data['ordered_items'];
-			}
-			else
-			{
-				$items = $this->data['items'];
-			}
+			return array();
+		}
 
-			// Slice the data as desired
-			if ($end === 0)
-			{
-				return array_slice($items, $start);
-			}
-			else
+		if ($this->order_by_date)
+		{
+			if (!isset($this->data['ordered_items']))
 			{
-				return array_slice($items, $start, $end);
-			}
+				$this->data['ordered_items'] = $this->data['items'];
+				usort($this->data['ordered_items'], array(get_class($this), 'sort_items'));
+		 	}
+			$items = $this->data['ordered_items'];
 		}
 		else
 		{
-			return array();
+			$items = $this->data['items'];
+		}
+		// Slice the data as desired
+		if ($end === 0)
+		{
+			return array_slice($items, $start);
+		}
+		else
+		{
+			return array_slice($items, $start, $end);
 		}
 	}
 
@@ -3095,7 +3203,19 @@ class SimplePie
 	 */
 	public static function sort_items($a, $b)
 	{
-		return $a->get_date('U') <= $b->get_date('U');
+		$a_date = $a->get_date('U');
+		$b_date = $b->get_date('U');
+		if ($a_date && $b_date) {
+			return $a_date > $b_date ? -1 : 1;
+		}
+		// Sort items without dates to the top.
+		if ($a_date) {
+			return 1;
+		}
+		if ($b_date) {
+			return -1;
+		}
+		return 0;
 	}
 
 	/**
@@ -3128,20 +3248,7 @@ class SimplePie
 				}
 			}
 
-			$do_sort = true;
-			foreach ($items as $item)
-			{
-				if (!$item->get_date('U'))
-				{
-					$do_sort = false;
-					break;
-				}
-			}
-			$item = null;
-			if ($do_sort)
-			{
-				usort($items, array(get_class($urls[0]), 'sort_items'));
-			}
+			usort($items, array(get_class($urls[0]), 'sort_items'));
 
 			if ($end === 0)
 			{
@@ -3158,4 +3265,42 @@ class SimplePie
 			return array();
 		}
 	}
+
+	/**
+	 * Store PubSubHubbub links as headers
+	 *
+	 * There is no way to find PuSH links in the body of a microformats feed,
+	 * so they are added to the headers when found, to be used later by get_links.
+	 * @param SimplePie_File $file
+	 * @param string $hub
+	 * @param string $self
+	 */
+	private function store_links(&$file, $hub, $self) {
+		if (isset($file->headers['link']['hub']) ||
+			  (isset($file->headers['link']) &&
+			   preg_match('/rel=hub/', $file->headers['link'])))
+		{
+			return;
+		}
+
+		if ($hub)
+		{
+			if (isset($file->headers['link']))
+			{
+				if ($file->headers['link'] !== '')
+				{
+					$file->headers['link'] = ', ';
+				}
+			}
+			else
+			{
+				$file->headers['link'] = '';
+			}
+			$file->headers['link'] .= '<'.$hub.'>; rel=hub';
+			if ($self)
+			{
+				$file->headers['link'] .= ', <'.$self.'>; rel=self';
+			}
+		}
+	}
 }
diff --git a/lib/SimplePie/SimplePie/Author.php b/lib/SimplePie/SimplePie/Author.php
index 19563c5cc..e6768ff29 100644
--- a/lib/SimplePie/SimplePie/Author.php
+++ b/lib/SimplePie/SimplePie/Author.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Cache.php b/lib/SimplePie/SimplePie/Cache.php
index 86b618693..d98cc6511 100644
--- a/lib/SimplePie/SimplePie/Cache.php
+++ b/lib/SimplePie/SimplePie/Cache.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -62,8 +61,10 @@ class SimplePie_Cache
 	 * @var array
 	 */
 	protected static $handlers = array(
-		'mysql' => 'SimplePie_Cache_MySQL',
-		'memcache' => 'SimplePie_Cache_Memcache',
+		'mysql'     => 'SimplePie_Cache_MySQL',
+		'memcache'  => 'SimplePie_Cache_Memcache',
+		'memcached' => 'SimplePie_Cache_Memcached',
+		'redis'     => 'SimplePie_Cache_Redis'
 	);
 
 	/**
diff --git a/lib/SimplePie/SimplePie/Cache/Base.php b/lib/SimplePie/SimplePie/Cache/Base.php
index d3f353961..333fb05cf 100644
--- a/lib/SimplePie/SimplePie/Cache/Base.php
+++ b/lib/SimplePie/SimplePie/Cache/Base.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Cache/DB.php b/lib/SimplePie/SimplePie/Cache/DB.php
index d728a9a6d..7e8f77532 100644
--- a/lib/SimplePie/SimplePie/Cache/DB.php
+++ b/lib/SimplePie/SimplePie/Cache/DB.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Cache/File.php b/lib/SimplePie/SimplePie/Cache/File.php
index cb4b528c4..6ba6c5f6e 100644
--- a/lib/SimplePie/SimplePie/Cache/File.php
+++ b/lib/SimplePie/SimplePie/Cache/File.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -136,11 +135,7 @@ class SimplePie_Cache_File implements SimplePie_Cache_Base
 	 */
 	public function mtime()
 	{
-		//if (file_exists($this->name))	//FreshRSS removed
-		{
-			return @filemtime($this->name);	//FreshRSS
-		}
-		//return false;	//FreshRSS removed
+		return @filemtime($this->name);
 	}
 
 	/**
@@ -150,11 +145,7 @@ class SimplePie_Cache_File implements SimplePie_Cache_Base
 	 */
 	public function touch()
 	{
-		//if (file_exists($this->name))	//FreshRSS removed
-		{
-			return @touch($this->name);	//FreshRSS
-		}
-		//return false;	//FreshRSS removed
+		return @touch($this->name);
 	}
 
 	/**
diff --git a/lib/SimplePie/SimplePie/Cache/Memcache.php b/lib/SimplePie/SimplePie/Cache/Memcache.php
index 23b1c9367..5190eef93 100644
--- a/lib/SimplePie/SimplePie/Cache/Memcache.php
+++ b/lib/SimplePie/SimplePie/Cache/Memcache.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Cache/Memcached.php b/lib/SimplePie/SimplePie/Cache/Memcached.php
new file mode 100644
index 000000000..1f73b3890
--- /dev/null
+++ b/lib/SimplePie/SimplePie/Cache/Memcached.php
@@ -0,0 +1,166 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Caches data to memcached
+ *
+ * Registered for URLs with the "memcached" protocol
+ *
+ * For example, `memcached://localhost:11211/?timeout=3600&prefix=sp_` will
+ * connect to memcached on `localhost` on port 11211. All tables will be
+ * prefixed with `sp_` and data will expire after 3600 seconds
+ *
+ * @package    SimplePie
+ * @subpackage Caching
+ * @author     Paul L. McNeely
+ * @uses       Memcached
+ */
+class SimplePie_Cache_Memcached implements SimplePie_Cache_Base
+{
+    /**
+     * Memcached instance
+     * @var Memcached
+     */
+    protected $cache;
+
+    /**
+     * Options
+     * @var array
+     */
+    protected $options;
+
+    /**
+     * Cache name
+     * @var string
+     */
+    protected $name;
+
+    /**
+     * Create a new cache object
+     * @param string $location Location string (from SimplePie::$cache_location)
+     * @param string $name     Unique ID for the cache
+     * @param string $type     Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
+     */
+    public function __construct($location, $name, $type) {
+        $this->options = array(
+            'host'   => '127.0.0.1',
+            'port'   => 11211,
+            'extras' => array(
+                'timeout' => 3600, // one hour
+                'prefix'  => 'simplepie_',
+            ),
+        );
+        $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));
+
+        $this->name = $this->options['extras']['prefix'] . md5("$name:$type");
+
+        $this->cache = new Memcached();
+        $this->cache->addServer($this->options['host'], (int)$this->options['port']);
+    }
+
+    /**
+     * Save data to the cache
+     * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
+     * @return bool Successfulness
+     */
+    public function save($data) {
+        if ($data instanceof SimplePie) {
+            $data = $data->data;
+        }
+
+        return $this->setData(serialize($data));
+    }
+
+    /**
+     * Retrieve the data saved to the cache
+     * @return array Data for SimplePie::$data
+     */
+    public function load() {
+        $data = $this->cache->get($this->name);
+
+        if ($data !== false) {
+            return unserialize($data);
+        }
+        return false;
+    }
+
+    /**
+     * Retrieve the last modified time for the cache
+     * @return int Timestamp
+     */
+    public function mtime() {
+        $data = $this->cache->get($this->name . '_mtime');
+        return (int) $data;
+    }
+
+    /**
+     * Set the last modified time to the current time
+     * @return bool Success status
+     */
+    public function touch() {
+        $data = $this->cache->get($this->name);
+        return $this->setData($data);
+    }
+
+    /**
+     * Remove the cache
+     * @return bool Success status
+     */
+    public function unlink() {
+        return $this->cache->delete($this->name, 0);
+    }
+
+    /**
+     * Set the last modified time and data to Memcached
+     * @return bool Success status
+     */
+    private function setData($data) {
+
+        if ($data !== false) {
+            $this->cache->set($this->name . '_mtime', time(), (int)$this->options['extras']['timeout']);
+            return $this->cache->set($this->name, $data, (int)$this->options['extras']['timeout']);
+        }
+
+        return false;
+    }
+}
diff --git a/lib/SimplePie/SimplePie/Cache/MySQL.php b/lib/SimplePie/SimplePie/Cache/MySQL.php
index 511ef6d3a..8686b6c67 100644
--- a/lib/SimplePie/SimplePie/Cache/MySQL.php
+++ b/lib/SimplePie/SimplePie/Cache/MySQL.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -94,6 +93,7 @@ class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
 			'path' => '',
 			'extras' => array(
 				'prefix' => '',
+				'cache_purge_time' => 2592000
 			),
 		);
 		
@@ -131,16 +131,20 @@ class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
 			$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))');
 			if ($query === false)
 			{
+				trigger_error("Can't create " . $this->options['extras']['prefix'] . "cache_data table, check permissions", E_USER_WARNING);
 				$this->mysql = null;
+				return;
 			}
 		}
 
 		if (!in_array($this->options['extras']['prefix'] . 'items', $db))
 		{
-			$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` MEDIUMBLOB CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
+			$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` MEDIUMBLOB NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
 			if ($query === false)
 			{
+				trigger_error("Can't create " . $this->options['extras']['prefix'] . "items table, check permissions", E_USER_WARNING);
 				$this->mysql = null;
+				return;
 			}
 		}
 	}
@@ -158,6 +162,17 @@ class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
 			return false;
 		}
 
+		$query = $this->mysql->prepare('DELETE i, cd FROM `' . $this->options['extras']['prefix'] . 'cache_data` cd, ' .
+			'`' . $this->options['extras']['prefix'] . 'items` i ' .
+			'WHERE cd.id = i.feed_id ' .
+			'AND cd.mtime < (unix_timestamp() - :purge_time)');
+		$query->bindValue(':purge_time', $this->options['extras']['cache_purge_time']);
+
+		if (!$query->execute())
+		{
+			return false;
+		}
+
 		if ($data instanceof SimplePie)
 		{
 			$data = clone $data;
diff --git a/lib/SimplePie/SimplePie/Cache/Redis.php b/lib/SimplePie/SimplePie/Cache/Redis.php
new file mode 100644
index 000000000..04d72c79a
--- /dev/null
+++ b/lib/SimplePie/SimplePie/Cache/Redis.php
@@ -0,0 +1,166 @@
+<?php
+
+/**
+ * SimplePie Redis Cache Extension
+ *
+ * @package SimplePie
+ * @author Jan Kozak <galvani78@gmail.com>
+ * @link http://galvani.cz/
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ * @version 0.2.9
+ */
+
+
+/**
+ * Caches data to redis
+ *
+ * Registered for URLs with the "redis" protocol
+ *
+ * For example, `redis://localhost:6379/?timeout=3600&prefix=sp_&dbIndex=0` will
+ * connect to redis on `localhost` on port 6379. All tables will be
+ * prefixed with `simple_primary-` and data will expire after 3600 seconds
+ *
+ * @package SimplePie
+ * @subpackage Caching
+ * @uses Redis
+ */
+class SimplePie_Cache_Redis implements SimplePie_Cache_Base {
+    /**
+     * Redis instance
+     *
+     * @var \Redis
+     */
+    protected $cache;
+
+    /**
+     * Options
+     *
+     * @var array
+     */
+    protected $options;
+
+    /**
+     * Cache name
+     *
+     * @var string
+     */
+    protected $name;
+
+    /**
+     * Cache Data
+     *
+     * @var type
+     */
+    protected $data;
+
+    /**
+     * Create a new cache object
+     *
+     * @param string $location Location string (from SimplePie::$cache_location)
+     * @param string $name Unique ID for the cache
+     * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
+     */
+    public function __construct($location, $name, $options = null) {
+        //$this->cache = \flow\simple\cache\Redis::getRedisClientInstance();
+        $parsed = SimplePie_Cache::parse_URL($location);
+        $redis = new Redis();
+        $redis->connect($parsed['host'], $parsed['port']);
+        $this->cache = $redis;
+
+        if (!is_null($options) && is_array($options)) {
+            $this->options = $options;
+        } else {
+            $this->options = array (
+                'prefix' => 'rss:simple_primary:',
+                'expire' => 0,
+            );
+        }
+
+        $this->name = $this->options['prefix'] . $name;
+    }
+
+    /**
+     * @param \Redis $cache
+     */
+    public function setRedisClient(\Redis $cache) {
+        $this->cache = $cache;
+    }
+
+    /**
+     * Save data to the cache
+     *
+     * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
+     * @return bool Successfulness
+     */
+    public function save($data) {
+        if ($data instanceof SimplePie) {
+            $data = $data->data;
+        }
+        $response = $this->cache->set($this->name, serialize($data));
+        if ($this->options['expire']) {
+            $this->cache->expire($this->name, $this->options['expire']);
+        }
+
+        return $response;
+    }
+
+    /**
+     * Retrieve the data saved to the cache
+     *
+     * @return array Data for SimplePie::$data
+     */
+    public function load() {
+        $data = $this->cache->get($this->name);
+
+        if ($data !== false) {
+            return unserialize($data);
+        }
+        return false;
+    }
+
+    /**
+     * Retrieve the last modified time for the cache
+     *
+     * @return int Timestamp
+     */
+    public function mtime() {
+
+        $data = $this->cache->get($this->name);
+
+        if ($data !== false) {
+            return time();
+        }
+
+        return false;
+    }
+
+    /**
+     * Set the last modified time to the current time
+     *
+     * @return bool Success status
+     */
+    public function touch() {
+
+        $data = $this->cache->get($this->name);
+
+        if ($data !== false) {
+            $return = $this->cache->set($this->name, $data);
+            if ($this->options['expire']) {
+                return $this->cache->expire($this->name, $this->ttl);
+            }
+            return $return;
+        }
+
+        return false;
+    }
+
+    /**
+     * Remove the cache
+     *
+     * @return bool Success status
+     */
+    public function unlink() {
+        return $this->cache->set($this->name, null);
+    }
+
+}
diff --git a/lib/SimplePie/SimplePie/Caption.php b/lib/SimplePie/SimplePie/Caption.php
index a77b02ef1..abf07de1b 100644
--- a/lib/SimplePie/SimplePie/Caption.php
+++ b/lib/SimplePie/SimplePie/Caption.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Category.php b/lib/SimplePie/SimplePie/Category.php
index c6a273989..df0f13f9a 100644
--- a/lib/SimplePie/SimplePie/Category.php
+++ b/lib/SimplePie/SimplePie/Category.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -57,7 +56,7 @@ class SimplePie_Category
 	/**
 	 * Category identifier
 	 *
-	 * @var string
+	 * @var string|null
 	 * @see get_term
 	 */
 	var $term;
@@ -65,7 +64,7 @@ class SimplePie_Category
 	/**
 	 * Categorization scheme identifier
 	 *
-	 * @var string
+	 * @var string|null
 	 * @see get_scheme()
 	 */
 	var $scheme;
@@ -73,23 +72,36 @@ class SimplePie_Category
 	/**
 	 * Human readable label
 	 *
-	 * @var string
+	 * @var string|null
 	 * @see get_label()
 	 */
 	var $label;
 
 	/**
+	 * Category type
+	 * 
+	 * category for <category>
+	 * subject for <dc:subject>
+	 *
+	 * @var string|null
+	 * @see get_type()
+	 */
+	var $type;
+
+	/**
 	 * Constructor, used to input the data
 	 *
-	 * @param string $term
-	 * @param string $scheme
-	 * @param string $label
+	 * @param string|null $term
+	 * @param string|null $scheme
+	 * @param string|null $label
+	 * @param string|null $type
 	 */
-	public function __construct($term = null, $scheme = null, $label = null)
+	public function __construct($term = null, $scheme = null, $label = null, $type = null)
 	{
 		$this->term = $term;
 		$this->scheme = $scheme;
 		$this->label = $label;
+		$this->type = $type;
 	}
 
 	/**
@@ -110,14 +122,7 @@ class SimplePie_Category
 	 */
 	public function get_term()
 	{
-		if ($this->term !== null)
-		{
-			return $this->term;
-		}
-		else
-		{
-			return null;
-		}
+		return $this->term;
 	}
 
 	/**
@@ -127,31 +132,32 @@ class SimplePie_Category
 	 */
 	public function get_scheme()
 	{
-		if ($this->scheme !== null)
-		{
-			return $this->scheme;
-		}
-		else
-		{
-			return null;
-		}
+		return $this->scheme;
 	}
 
 	/**
 	 * Get the human readable label
 	 *
+	 * @param bool $strict
 	 * @return string|null
 	 */
-	public function get_label()
+	public function get_label($strict = false)
 	{
-		if ($this->label !== null)
-		{
-			return $this->label;
-		}
-		else
+		if ($this->label === null && $strict !== true)
 		{
 			return $this->get_term();
 		}
+		return $this->label;
+	}
+
+	/**
+	 * Get the category type
+	 *
+	 * @return string|null
+	 */
+	public function get_type()
+	{
+		return $this->type;
 	}
 }
 
diff --git a/lib/SimplePie/SimplePie/Content/Type/Sniffer.php b/lib/SimplePie/SimplePie/Content/Type/Sniffer.php
index a32f47f59..6caf80f33 100644
--- a/lib/SimplePie/SimplePie/Content/Type/Sniffer.php
+++ b/lib/SimplePie/SimplePie/Content/Type/Sniffer.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -109,9 +108,7 @@ class SimplePie_Content_Type_Sniffer
 			{
 				return $this->unknown();
 			}
-			elseif (substr($official, -4) === '+xml'
-				|| $official === 'text/xml'
-				|| $official === 'application/xml')
+			elseif (substr($official, -4) === '+xml')
 			{
 				return $official;
 			}
@@ -126,7 +123,9 @@ class SimplePie_Content_Type_Sniffer
 					return $official;
 				}
 			}
-			elseif ($official === 'text/html')
+			elseif ($official === 'text/html'
+				|| $official === 'text/xml'	//FreshRSS
+				|| $official === 'application/xml')	//FreshRSS
 			{
 				return $this->feed_or_html();
 			}
@@ -256,7 +255,7 @@ class SimplePie_Content_Type_Sniffer
 	public function feed_or_html()
 	{
 		$len = strlen($this->file->body);
-		$pos = strspn($this->file->body, "\x09\x0A\x0D\x20");
+		$pos = strspn($this->file->body, "\x09\x0A\x0D\x20\xEF\xBB\xBF");
 
 		while ($pos < $len)
 		{
diff --git a/lib/SimplePie/SimplePie/Copyright.php b/lib/SimplePie/SimplePie/Copyright.php
index 09f22f8df..3f3d07d3b 100644
--- a/lib/SimplePie/SimplePie/Copyright.php
+++ b/lib/SimplePie/SimplePie/Copyright.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Core.php b/lib/SimplePie/SimplePie/Core.php
index 7cf34876f..c856ba361 100644
--- a/lib/SimplePie/SimplePie/Core.php
+++ b/lib/SimplePie/SimplePie/Core.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2009, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Credit.php b/lib/SimplePie/SimplePie/Credit.php
index 50aef1c68..9bad9ef34 100644
--- a/lib/SimplePie/SimplePie/Credit.php
+++ b/lib/SimplePie/SimplePie/Credit.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Decode/HTML/Entities.php b/lib/SimplePie/SimplePie/Decode/HTML/Entities.php
index cde06c884..de3f2cb53 100644
--- a/lib/SimplePie/SimplePie/Decode/HTML/Entities.php
+++ b/lib/SimplePie/SimplePie/Decode/HTML/Entities.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -169,7 +168,6 @@ class SimplePie_Decode_HTML_Entities
 			case "\x09":
 			case "\x0A":
 			case "\x0B":
-			case "\x0B":
 			case "\x0C":
 			case "\x20":
 			case "\x3C":
diff --git a/lib/SimplePie/SimplePie/Enclosure.php b/lib/SimplePie/SimplePie/Enclosure.php
index fa0217800..15060e193 100644
--- a/lib/SimplePie/SimplePie/Enclosure.php
+++ b/lib/SimplePie/SimplePie/Enclosure.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -451,7 +450,7 @@ class SimplePie_Enclosure
 	/**
 	 * Get the duration of the enclosure
 	 *
-	 * @param string $convert Convert seconds into hh:mm:ss
+	 * @param bool $convert Convert seconds into hh:mm:ss
 	 * @return string|int|null 'hh:mm:ss' string if `$convert` was specified, otherwise integer (or null if none found)
 	 */
 	public function get_duration($convert = false)
diff --git a/lib/SimplePie/SimplePie/Exception.php b/lib/SimplePie/SimplePie/Exception.php
index 73e104d69..53c015e77 100644
--- a/lib/SimplePie/SimplePie/Exception.php
+++ b/lib/SimplePie/SimplePie/Exception.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/File.php b/lib/SimplePie/SimplePie/File.php
index 9625af2a9..8be38f145 100644
--- a/lib/SimplePie/SimplePie/File.php
+++ b/lib/SimplePie/SimplePie/File.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -64,9 +63,9 @@ class SimplePie_File
 	var $redirects = 0;
 	var $error;
 	var $method = SIMPLEPIE_FILE_SOURCE_NONE;
-	var $permanent_url;	//FreshRSS
+	var $permanent_url;
 
-	public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
+	public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false, $curl_options = array(), $syslog_enabled = SIMPLEPIE_SYSLOG)
 	{
 		if (class_exists('idna_convert'))
 		{
@@ -75,11 +74,14 @@ class SimplePie_File
 			$url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
 		}
 		$this->url = $url;
-		$this->permanent_url = $url;	//FreshRSS
+		$this->permanent_url = $url;
 		$this->useragent = $useragent;
 		if (preg_match('/^http(s)?:\/\//i', $url))
 		{
-			// syslog(LOG_INFO, 'SimplePie GET ' . $url);	//FreshRSS
+			if ($syslog_enabled)
+			{
+				syslog(LOG_INFO, 'SimplePie GET ' . SimplePie_Misc::url_remove_credentials($url));	//FreshRSS
+			}
 			if ($useragent === null)
 			{
 				$useragent = ini_get('user_agent');
@@ -105,17 +107,20 @@ class SimplePie_File
 				curl_setopt($fp, CURLOPT_URL, $url);
 				curl_setopt($fp, CURLOPT_HEADER, 1);
 				curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
+				curl_setopt($fp, CURLOPT_FAILONERROR, 1);
 				curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
 				curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
 				curl_setopt($fp, CURLOPT_REFERER, $url);
 				curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
 				curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
-				curl_setopt($fp, CURLOPT_SSL_VERIFYPEER, false);	//FreshRSS
 				if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>='))
 				{
 					curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
 					curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
 				}
+				foreach ($curl_options as $curl_param => $curl_value) {
+					curl_setopt($fp, $curl_param, $curl_value);
+				}
 
 				$this->headers = curl_exec($fp);
 				if (curl_errno($fp) === 23 || curl_errno($fp) === 61)
@@ -130,15 +135,17 @@ class SimplePie_File
 				}
 				else
 				{
-					$info = curl_getinfo($fp);
+					// Use the updated url provided by curl_getinfo after any redirects.
+					if ($info = curl_getinfo($fp)) {
+						$this->url = $info['url'];
+					}
 					curl_close($fp);
-					$this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 1);
-					$this->headers = array_pop($this->headers);
+					$this->headers = SimplePie_HTTP_Parser::prepareHeaders($this->headers, $info['redirect_count'] + 1);
 					$parser = new SimplePie_HTTP_Parser($this->headers);
 					if ($parser->parse())
 					{
 						$this->headers = $parser->headers;
-						$this->body = $parser->body;
+						$this->body = trim($parser->body);
 						$this->status_code = $parser->status_code;
 						if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
 						{
@@ -146,7 +153,7 @@ class SimplePie_File
 							$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
 							$previousStatusCode = $this->status_code;
 							$this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
-							$this->permanent_url = ($previousStatusCode == 301) ? $location : $url;	//FreshRSS
+							$this->permanent_url = ($previousStatusCode == 301) ? $location : $url;
 							return;
 						}
 					}
@@ -231,7 +238,7 @@ class SimplePie_File
 								$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
 								$previousStatusCode = $this->status_code;
 								$this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
-								$this->permanent_url = ($previousStatusCode == 301) ? $location : $url;	//FreshRSS
+								$this->permanent_url = ($previousStatusCode == 301) ? $location : $url;
 								return;
 							}
 							if (isset($this->headers['content-encoding']))
@@ -249,7 +256,7 @@ class SimplePie_File
 										}
 										else
 										{
-											$this->body = $decoder->data;
+											$this->body = trim($decoder->data);
 										}
 										break;
 
@@ -292,7 +299,7 @@ class SimplePie_File
 		else
 		{
 			$this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS;
-			if (empty($url) || !($this->body = file_get_contents($url)))
+			if (empty($url) || !($this->body = trim(file_get_contents($url))))
 			{
 				$this->error = 'file_get_contents could not read the file';
 				$this->success = false;
diff --git a/lib/SimplePie/SimplePie/HTTP/Parser.php b/lib/SimplePie/SimplePie/HTTP/Parser.php
index 2fc3a6779..3899c53fa 100644
--- a/lib/SimplePie/SimplePie/HTTP/Parser.php
+++ b/lib/SimplePie/SimplePie/HTTP/Parser.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -497,4 +496,22 @@ class SimplePie_HTTP_Parser
 			}
 		}
 	}
+
+	/**
+	 * Prepare headers (take care of proxies headers)
+	 *
+	 * @param string  $headers Raw headers
+	 * @param integer $count   Redirection count. Default to 1.
+	 *
+	 * @return string
+	 */
+	static public function prepareHeaders($headers, $count = 1)
+	{
+		$data = explode("\r\n\r\n", $headers, $count);
+		$data = array_pop($data);
+		if (false !== stripos($data, "HTTP/1.0 200 Connection established\r\n\r\n")) {
+			$data = str_ireplace("HTTP/1.0 200 Connection established\r\n\r\n", '', $data);
+		}
+		return $data;
+	}
 }
diff --git a/lib/SimplePie/SimplePie/IRI.php b/lib/SimplePie/SimplePie/IRI.php
index ed0574701..2b3fbaf07 100644
--- a/lib/SimplePie/SimplePie/IRI.php
+++ b/lib/SimplePie/SimplePie/IRI.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -260,6 +259,15 @@ class SimplePie_IRI
 	}
 
 	/**
+	 * Clean up
+	 */
+	public function __destruct() {
+	    $this->set_iri(null, true);
+	    $this->set_path(null, true);
+	    $this->set_authority(null, true);
+	}
+
+	/**
 	 * Create a new IRI object by resolving a relative IRI
 	 *
 	 * Returns false if $base is not absolute, otherwise an IRI.
@@ -768,24 +776,20 @@ class SimplePie_IRI
 	 */
 	public function is_valid()
 	{
-		$isauthority = $this->iuserinfo !== null || $this->ihost !== null || $this->port !== null;
-		if ($this->ipath !== '' &&
-			(
-				$isauthority && (
-					$this->ipath[0] !== '/' ||
-					substr($this->ipath, 0, 2) === '//'
-				) ||
-				(
-					$this->scheme === null &&
-					!$isauthority &&
-					strpos($this->ipath, ':') !== false &&
-					(strpos($this->ipath, '/') === false ? true : strpos($this->ipath, ':') < strpos($this->ipath, '/'))
-				)
-			)
-		)
-		{
-			return false;
-		}
+		if ($this->ipath === '') return true;
+
+		$isauthority = $this->iuserinfo !== null || $this->ihost !== null ||
+			$this->port !== null;
+		if ($isauthority && $this->ipath[0] === '/') return true;
+
+		if (!$isauthority && (substr($this->ipath, 0, 2) === '//')) return false;
+
+		// Relative urls cannot have a colon in the first path segment (and the
+		// slashes themselves are not included so skip the first character).
+		if (!$this->scheme && !$isauthority &&
+		    strpos($this->ipath, ':') !== false &&
+		    strpos($this->ipath, '/', 1) !== false &&
+		    strpos($this->ipath, ':') < strpos($this->ipath, '/', 1)) return false;
 
 		return true;
 	}
@@ -797,9 +801,14 @@ class SimplePie_IRI
 	 * @param string $iri
 	 * @return bool
 	 */
-	public function set_iri($iri)
+	public function set_iri($iri, $clear_cache = false)
 	{
 		static $cache;
+		if ($clear_cache) 
+		{
+			$cache = null;
+			return;
+		}
 		if (!$cache)
 		{
 			$cache = array();
@@ -879,9 +888,14 @@ class SimplePie_IRI
 	 * @param string $authority
 	 * @return bool
 	 */
-	public function set_authority($authority)
+	public function set_authority($authority, $clear_cache = false)
 	{
 		static $cache;
+		if ($clear_cache)
+		{
+			$cache = null;
+			return;
+		}
 		if (!$cache)
 			$cache = array();
 
@@ -1049,9 +1063,14 @@ class SimplePie_IRI
 	 * @param string $ipath
 	 * @return bool
 	 */
-	public function set_path($ipath)
+	public function set_path($ipath, $clear_cache = false)
 	{
 		static $cache;
+		if ($clear_cache) 
+		{
+			$cache = null;
+			return;
+		}
 		if (!$cache)
 		{
 			$cache = array();
diff --git a/lib/SimplePie/SimplePie/Item.php b/lib/SimplePie/SimplePie/Item.php
index 7bd96c15f..425538606 100644
--- a/lib/SimplePie/SimplePie/Item.php
+++ b/lib/SimplePie/SimplePie/Item.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -203,14 +202,14 @@ class SimplePie_Item
 	 *
 	 * Uses `<atom:id>`, `<guid>`, `<dc:identifier>` or the `about` attribute
 	 * for RDF. If none of these are supplied (or `$hash` is true), creates an
-	 * MD5 hash based on the permalink and title. If either of those are not
-	 * supplied, creates a hash based on the full feed data.
+	 * MD5 hash based on the permalink, title and content.
 	 *
 	 * @since Beta 2
 	 * @param boolean $hash Should we force using a hash instead of the supplied ID?
-	 * @return string
+	 * @param string|false $fn User-supplied function to generate an hash
+	 * @return string|null
 	 */
-	public function get_id($hash = false)
+	public function get_id($hash = false, $fn = 'md5')
 	{
 		if (!$hash)
 		{
@@ -238,23 +237,18 @@ class SimplePie_Item
 			{
 				return $this->sanitize($this->data['attribs'][SIMPLEPIE_NAMESPACE_RDF]['about'], SIMPLEPIE_CONSTRUCT_TEXT);
 			}
-			elseif (($return = $this->get_permalink()) !== null)
-			{
-				return $return;
-			}
-			elseif (($return = $this->get_title()) !== null)
-			{
-				return $return;
-			}
 		}
-		if ($this->get_permalink() !== null || $this->get_title() !== null)
+		if ($fn === false)
 		{
-			return md5($this->get_permalink() . $this->get_title());
+			return null;
 		}
-		else
+		elseif (!is_callable($fn))
 		{
-			return md5(serialize($this->data));
+			trigger_error('User-supplied function $fn must be callable', E_USER_WARNING);
+			$fn = 'md5';
 		}
+		return call_user_func($fn,
+		       $this->get_permalink().$this->get_title().$this->get_content());
 	}
 
 	/**
@@ -322,41 +316,50 @@ class SimplePie_Item
 	 */
 	public function get_description($description_only = false)
 	{
-		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'summary'))
+		if (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'summary')) &&
+		    ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0]))))
 		{
-			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+			return $return;
 		}
-		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'summary'))
+		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'summary')) &&
+		        ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0]))))
 		{
-			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+			return $return;
 		}
-		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
+		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) &&
+		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($tags[0]))))
 		{
-			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+			return $return;
 		}
-		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
+		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) &&
+		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0]))))
 		{
-			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+			return $return;
 		}
-		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
+		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) &&
+		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)))
 		{
-			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			return $return;
 		}
-		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
+		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) &&
+		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)))
 		{
-			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			return $return;
 		}
-		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
+		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) &&
+		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0]))))
 		{
-			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+			return $return;
 		}
-		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
+		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) &&
+		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)))
 		{
-			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			return $return;
 		}
-		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
+		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) &&
+		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML)))
 		{
-			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML);
+			return $return;
 		}
 
 		elseif (!$description_only)
@@ -385,17 +388,20 @@ class SimplePie_Item
 	 */
 	public function get_content($content_only = false)
 	{
-		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'content'))
+		if (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'content')) &&
+		    ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_10_content_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0]))))
 		{
-			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_content_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+			return $return;
 		}
-		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'content'))
+		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'content')) &&
+		        ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0]))))
 		{
-			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+			return $return;
 		}
-		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded'))
+		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded')) &&
+		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0]))))
 		{
-			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+			return $return;
 		}
 		elseif (!$content_only)
 		{
@@ -406,6 +412,30 @@ class SimplePie_Item
 			return null;
 		}
 	}
+	
+	/**
+	 * Get the media:thumbnail of the item
+	 *
+	 * Uses `<media:thumbnail>`
+	 *
+	 * 
+	 * @return array|null
+	 */
+	public function get_thumbnail()
+	{
+		if (!isset($this->data['thumbnail']))
+		{
+			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
+			{
+				$this->data['thumbnail'] = $return[0]['attribs'][''];
+			}
+			else
+			{
+				$this->data['thumbnail'] = null;
+			}
+		}
+		return $this->data['thumbnail'];
+	}	
 
 	/**
 	 * Get a category for the item
@@ -433,53 +463,56 @@ class SimplePie_Item
 	 * Uses `<atom:category>`, `<category>` or `<dc:subject>`
 	 *
 	 * @since Beta 3
-	 * @return array|null List of {@see SimplePie_Category} objects
+	 * @return SimplePie_Category[]|null List of {@see SimplePie_Category} objects
 	 */
 	public function get_categories()
 	{
 		$categories = array();
 
-		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
+		$type = 'category';
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, $type) as $category)
 		{
 			$term = null;
 			$scheme = null;
 			$label = null;
 			if (isset($category['attribs']['']['term']))
 			{
-				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
+				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_HTML);
 			}
 			if (isset($category['attribs']['']['scheme']))
 			{
-				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_HTML);
 			}
 			if (isset($category['attribs']['']['label']))
 			{
-				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
+				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_HTML);
 			}
-			$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
+			$categories[] = $this->registry->create('Category', array($term, $scheme, $label, $type));
 		}
-		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, $type) as $category)
 		{
 			// This is really the label, but keep this as the term also for BC.
 			// Label will also work on retrieving because that falls back to term.
-			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_HTML);
 			if (isset($category['attribs']['']['domain']))
 			{
-				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
+				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_HTML);
 			}
 			else
 			{
 				$scheme = null;
 			}
-			$categories[] = $this->registry->create('Category', array($term, $scheme, null));
+			$categories[] = $this->registry->create('Category', array($term, $scheme, null, $type));
 		}
-		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
+
+		$type = 'subject';
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, $type) as $category)
 		{
-			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_HTML), null, null, $type));
 		}
-		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, $type) as $category)
 		{
-			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_HTML), null, null, $type));
 		}
 
 		if (!empty($categories))
@@ -616,7 +649,7 @@ class SimplePie_Item
 			$email = null;
 			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
 			{
-				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_HTML);
 			}
 			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
 			{
@@ -624,7 +657,7 @@ class SimplePie_Item
 			}
 			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
 			{
-				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_HTML);
 			}
 			if ($name !== null || $email !== null || $uri !== null)
 			{
@@ -638,7 +671,7 @@ class SimplePie_Item
 			$email = null;
 			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
 			{
-				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_HTML);
 			}
 			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
 			{
@@ -646,7 +679,7 @@ class SimplePie_Item
 			}
 			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
 			{
-				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_HTML);
 			}
 			if ($name !== null || $email !== null || $url !== null)
 			{
@@ -655,19 +688,19 @@ class SimplePie_Item
 		}
 		if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'author'))
 		{
-			$authors[] = $this->registry->create('Author', array(null, null, $this->sanitize($author[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)));
+			$authors[] = $this->registry->create('Author', array(null, null, $this->sanitize($author[0]['data'], SIMPLEPIE_CONSTRUCT_HTML)));
 		}
 		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
 		{
-			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_HTML), null, null));
 		}
 		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
 		{
-			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_HTML), null, null));
 		}
 		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
 		{
-			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_HTML), null, null));
 		}
 
 		if (!empty($authors))
@@ -738,31 +771,31 @@ class SimplePie_Item
 			{
 				$this->data['date']['raw'] = $return[0]['data'];
 			}
-			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated'))
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'pubDate'))
 			{
 				$this->data['date']['raw'] = $return[0]['data'];
 			}
-			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'issued'))
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'date'))
 			{
 				$this->data['date']['raw'] = $return[0]['data'];
 			}
-			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'created'))
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'date'))
 			{
 				$this->data['date']['raw'] = $return[0]['data'];
 			}
-			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'modified'))
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated'))
 			{
 				$this->data['date']['raw'] = $return[0]['data'];
 			}
-			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'pubDate'))
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'issued'))
 			{
 				$this->data['date']['raw'] = $return[0]['data'];
 			}
-			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'date'))
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'created'))
 			{
 				$this->data['date']['raw'] = $return[0]['data'];
 			}
-			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'date'))
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'modified'))
 			{
 				$this->data['date']['raw'] = $return[0]['data'];
 			}
@@ -1081,7 +1114,7 @@ class SimplePie_Item
 	 * @since Beta 2
 	 * @todo Add support for end-user defined sorting of enclosures by type/handler (so we can prefer the faster-loading FLV over MP4).
 	 * @todo If an element exists at a level, but its value is empty, we should fall back to the value from the parent (if it exists).
-	 * @return array|null List of SimplePie_Enclosure items
+	 * @return SimplePie_Enclosure[]|null List of SimplePie_Enclosure items
 	 */
 	public function get_enclosures()
 	{
@@ -2658,7 +2691,9 @@ class SimplePie_Item
 						// PLAYER
 						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
 						{
-							$player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'])) {
+								$player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+							}
 						}
 						else
 						{
@@ -2733,7 +2768,9 @@ class SimplePie_Item
 						{
 							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
 							{
-								$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+								if (isset($thumbnail['attribs']['']['url'])) {
+									$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+								}
 							}
 							if (is_array($thumbnails))
 							{
@@ -2789,9 +2826,17 @@ class SimplePie_Item
 					{
 						$length = ceil($link['attribs']['']['length']);
 					}
+					if (isset($link['attribs']['']['title']))
+					{
+						$title = $this->sanitize($link['attribs']['']['title'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					else
+					{
+						$title = $title_parent;
+					}
 
 					// Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
-					$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width));
+					$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title, $width));
 				}
 			}
 
@@ -2851,6 +2896,7 @@ class SimplePie_Item
 					$width = null;
 
 					$url = $this->sanitize($enclosure[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($enclosure[0]));
+					$url = $this->feed->sanitize->https_url($url);	//FreshRSS
 					if (isset($enclosure[0]['attribs']['']['type']))
 					{
 						$type = $this->sanitize($enclosure[0]['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
diff --git a/lib/SimplePie/SimplePie/Locator.php b/lib/SimplePie/SimplePie/Locator.php
index 4e5f7c1ca..bc314c2cd 100644
--- a/lib/SimplePie/SimplePie/Locator.php
+++ b/lib/SimplePie/SimplePie/Locator.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -121,34 +120,41 @@ class SimplePie_Locator
 		{
 			if ($type & SIMPLEPIE_LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local))
 			{
-				return $working;
+				return $working[0];
 			}
 
 			if ($type & SIMPLEPIE_LOCATOR_LOCAL_BODY && $working = $this->body($this->local))
 			{
-				return $working;
+				return $working[0];
 			}
 
 			if ($type & SIMPLEPIE_LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere))
 			{
-				return $working;
+				return $working[0];
 			}
 
 			if ($type & SIMPLEPIE_LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere))
 			{
-				return $working;
+				return $working[0];
 			}
 		}
 		return null;
 	}
 
-	public function is_feed($file)
+	public function is_feed($file, $check_html = false)
 	{
 		if ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
 		{
 			$sniffer = $this->registry->create('Content_Type_Sniffer', array($file));
 			$sniffed = $sniffer->get_type();
-			if (in_array($sniffed, array('application/rss+xml', 'application/rdf+xml', 'text/rdf', 'application/atom+xml', 'text/xml', 'application/xml', 'application/x-rss+xml')))	//FreshRSS
+			$mime_types = array('application/rss+xml', 'application/rdf+xml',
+			                    'text/rdf', 'application/atom+xml', 'text/xml',
+			                    'application/xml', 'application/x-rss+xml');
+			if ($check_html)
+			{
+				$mime_types[] = 'text/html';
+			}
+			if (in_array($sniffed, $mime_types))
 			{
 				return true;
 			}
@@ -226,7 +232,7 @@ class SimplePie_Locator
 			}
 			if ($link->hasAttribute('href') && $link->hasAttribute('rel'))
 			{
-				$rel = array_unique($this->registry->call('Misc', 'space_seperated_tokens', array(strtolower($link->getAttribute('rel')))));
+				$rel = array_unique($this->registry->call('Misc', 'space_separated_tokens', array(strtolower($link->getAttribute('rel')))));
 				$line = method_exists($link, 'getLineNo') ? $link->getLineNo() : 1;
 
 				if ($this->base_location < $line)
@@ -242,14 +248,14 @@ class SimplePie_Locator
 					continue;
 				}
 
-				if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !in_array('stylesheet', $rel) && $link->hasAttribute('type') && in_array(strtolower($this->registry->call('Misc', 'parse_mime', array($link->getAttribute('type')))), array('application/rss+xml', 'application/atom+xml'))) && !isset($feeds[$href]))
+				if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !in_array('stylesheet', $rel) && $link->hasAttribute('type') && in_array(strtolower($this->registry->call('Misc', 'parse_mime', array($link->getAttribute('type')))), array('text/html', 'application/rss+xml', 'application/atom+xml'))) && !isset($feeds[$href]))
 				{
 					$this->checked_feeds++;
 					$headers = array(
 						'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
 					);
 					$feed = $this->registry->create('File', array($href, $this->timeout, 5, $headers, $this->useragent));
-					if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
+					if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed, true))
 					{
 						$feeds[$href] = $feed;
 					}
@@ -275,7 +281,7 @@ class SimplePie_Locator
 			{
 				$href = trim($link->getAttribute('href'));
 				$parsed = $this->registry->call('Misc', 'parse_url', array($href));
-				if ($parsed['scheme'] === '' || preg_match('/^(http(s)|feed)?$/i', $parsed['scheme']))
+				if ($parsed['scheme'] === '' || preg_match('/^(https?|feed)?$/i', $parsed['scheme']))
 				{
 					if (method_exists($link, 'getLineNo') && $this->base_location < $link->getLineNo())
 					{
@@ -312,6 +318,57 @@ class SimplePie_Locator
 		return null;
 	}
 
+	public function get_rel_link($rel)
+	{
+		if ($this->dom === null)
+		{
+			throw new SimplePie_Exception('DOMDocument not found, unable to use '.
+			                              'locator');
+		}
+		if (!class_exists('DOMXpath'))
+		{
+			throw new SimplePie_Exception('DOMXpath not found, unable to use '.
+			                              'get_rel_link');
+		}
+
+		$xpath = new DOMXpath($this->dom);
+		$query = '//a[@rel and @href] | //link[@rel and @href]';
+		foreach ($xpath->query($query) as $link)
+		{
+			$href = trim($link->getAttribute('href'));
+			$parsed = $this->registry->call('Misc', 'parse_url', array($href));
+			if ($parsed['scheme'] === '' ||
+			    preg_match('/^https?$/i', $parsed['scheme']))
+			{
+				if (method_exists($link, 'getLineNo') &&
+				    $this->base_location < $link->getLineNo())
+				{
+					$href =
+						$this->registry->call('Misc', 'absolutize_url',
+						                      array(trim($link->getAttribute('href')),
+						                            $this->base));
+				}
+				else
+				{
+					$href =
+						$this->registry->call('Misc', 'absolutize_url',
+						                      array(trim($link->getAttribute('href')),
+						                            $this->http_base));
+				}
+				if ($href === false)
+				{
+					return null;
+				}
+				$rel_values = explode(' ', strtolower($link->getAttribute('rel')));
+				if (in_array($rel, $rel_values))
+				{
+					return $href;
+				}
+			}
+		}
+		return null;
+	}
+
 	public function extension(&$array)
 	{
 		foreach ($array as $key => $value)
@@ -330,7 +387,7 @@ class SimplePie_Locator
 				$feed = $this->registry->create('File', array($value, $this->timeout, 5, $headers, $this->useragent));
 				if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
 				{
-					return $feed;
+					return array($feed);
 				}
 				else
 				{
@@ -358,7 +415,7 @@ class SimplePie_Locator
 				$feed = $this->registry->create('File', array($value, $this->timeout, 5, null, $this->useragent));
 				if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
 				{
-					return $feed;
+					return array($feed);
 				}
 				else
 				{
diff --git a/lib/SimplePie/SimplePie/Misc.php b/lib/SimplePie/SimplePie/Misc.php
index 5a263a2e5..40477c01e 100644
--- a/lib/SimplePie/SimplePie/Misc.php
+++ b/lib/SimplePie/SimplePie/Misc.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -79,9 +78,9 @@ class SimplePie_Misc
 
 	public static function absolutize_url($relative, $base)
 	{
-		if (substr($relative, 0, 2) === '//')	//FreshRSS: disable absolutize_url for "//www.example.net" which will pick HTTP or HTTPS automatically
-		{
-			return $relative;
+		if (substr($relative, 0, 2) === '//')
+		{//Protocol-relative URLs "//www.example.net"
+			return 'https:' . $relative;
 		}
 		$iri = SimplePie_IRI::absolutize(new SimplePie_IRI($base), $relative);
 		if ($iri === false)
@@ -128,7 +127,7 @@ class SimplePie_Misc
 						{
 							$attribs[$j][2] = $attribs[$j][1];
 						}
-						$return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j]), 'UTF-8');	//FreshRSS
+						$return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j]));
 					}
 				}
 			}
@@ -142,7 +141,7 @@ class SimplePie_Misc
 		foreach ($element['attribs'] as $key => $value)
 		{
 			$key = strtolower($key);
-			$full .= " $key=\"" . htmlspecialchars($value['data'], ENT_COMPAT, 'UTF-8') . '"';	//FreshRSS
+			$full .= " $key=\"" . htmlspecialchars($value['data'], ENT_COMPAT, 'UTF-8') . '"';
 		}
 		if ($element['self_closing'])
 		{
@@ -338,11 +337,16 @@ class SimplePie_Misc
 		{
 			return $return;
  		}
-		// This is last, as behaviour of this varies with OS userland and PHP version
+		// This is third, as behaviour of this varies with OS userland and PHP version
 		elseif (function_exists('iconv') && ($return = SimplePie_Misc::change_encoding_iconv($data, $input, $output)))
 		{
 			return $return;
 		}
+		// This is last, as behaviour of this varies with OS userland and PHP version
+		elseif (class_exists('\UConverter') && ($return = SimplePie_Misc::change_encoding_uconverter($data, $input, $output)))
+		{
+			return $return;
+		}
 		// If we can't do anything, just fail
 		else
 		{
@@ -394,6 +398,17 @@ class SimplePie_Misc
 	}
 
 	/**
+	 * @param string $data
+	 * @param string $input
+	 * @param string $output
+	 * @return string|false
+	 */
+	protected static function change_encoding_uconverter($data, $input, $output)
+	{
+		return @\UConverter::transcode($data, $output, $input);
+	}
+
+	/**
 	 * Normalize an encoding name
 	 *
 	 * This is automatically generated by create.php
@@ -1947,7 +1962,7 @@ class SimplePie_Misc
 		return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string);
 	}
 
-	public static function space_seperated_tokens($string)
+	public static function space_separated_tokens($string)
 	{
 		$space_characters = "\x20\x09\x0A\x0B\x0C\x0D";
 		$string_length = strlen($string);
@@ -2178,7 +2193,8 @@ function embed_wmedia(width, height, link) {
 	/**
 	 * Get the SimplePie build timestamp
 	 *
-	 * Return SimplePie.php modification time.
+	 * Uses the git index if it exists, otherwise uses the modification time
+	 * of the newest file.
 	 */
 	public static function get_build()
 	{
@@ -2240,5 +2256,15 @@ function embed_wmedia(width, height, link) {
 	{
 		// No-op
 	}
+
+	/**
+	 * Sanitize a URL by removing HTTP credentials.
+	 * @param $url the URL to sanitize.
+	 * @return the same URL without HTTP credentials.
+	 */
+	public static function url_remove_credentials($url)	//FreshRSS
+	{
+		return preg_replace('#^(https?://)[^/:@]+:[^/:@]+@#i', '$1', $url);
+	}
 }
 
diff --git a/lib/SimplePie/SimplePie/Net/IPv6.php b/lib/SimplePie/SimplePie/Net/IPv6.php
index 2ff1afc90..47658aff2 100644
--- a/lib/SimplePie/SimplePie/Net/IPv6.php
+++ b/lib/SimplePie/SimplePie/Net/IPv6.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Parse/Date.php b/lib/SimplePie/SimplePie/Parse/Date.php
index ba7c0703e..1f2156655 100644
--- a/lib/SimplePie/SimplePie/Parse/Date.php
+++ b/lib/SimplePie/SimplePie/Parse/Date.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -173,7 +172,7 @@ class SimplePie_Parse_Date
 		'aug' => 8,
 		'august' => 8,
 		'sep' => 9,
-		'september' => 8,
+		'september' => 9,
 		'oct' => 10,
 		'october' => 10,
 		'nov' => 11,
@@ -331,7 +330,7 @@ class SimplePie_Parse_Date
 		'CCT' => 23400,
 		'CDT' => -18000,
 		'CEDT' => 7200,
-		'CEST' => 7200,	//FreshRSS
+		'CEST' => 7200,
 		'CET' => 3600,
 		'CGST' => -7200,
 		'CGT' => -10800,
@@ -631,7 +630,7 @@ class SimplePie_Parse_Date
 	/**
 	 * Parse a superset of W3C-DTF (allows hyphens and colons to be omitted, as
 	 * well as allowing any of upper or lower case "T", horizontal tabs, or
-	 * spaces to be used as the time seperator (including more than one))
+	 * spaces to be used as the time separator (including more than one))
 	 *
 	 * @access protected
 	 * @return int Timestamp
@@ -691,7 +690,7 @@ class SimplePie_Parse_Date
 			}
 
 			// Convert the number of seconds to an integer, taking decimals into account
-			$second = round($match[6] + $match[7] / pow(10, strlen($match[7])));
+			$second = round((int)$match[6] + (int)$match[7] / pow(10, strlen($match[7])));
 
 			return gmmktime($match[4], $match[5], $second, $match[2], $match[3], $match[1]) - $timezone;
 		}
@@ -721,7 +720,7 @@ class SimplePie_Parse_Date
 		{
 			$output .= substr($string, $position, $pos - $position);
 			$position = $pos + 1;
-			if ($string[$pos - 1] !== '\\')
+			if ($pos === 0 || $string[$pos - 1] !== '\\')
 			{
 				$depth++;
 				while ($depth && $position < $length)
diff --git a/lib/SimplePie/SimplePie/Parser.php b/lib/SimplePie/SimplePie/Parser.php
index 7fb7bd9be..9348382ad 100644
--- a/lib/SimplePie/SimplePie/Parser.php
+++ b/lib/SimplePie/SimplePie/Parser.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -435,4 +434,231 @@ class SimplePie_Parser
 		}
 		return $cache[$string];
 	}
-}
+
+	private function parse_hcard($data, $category = false) {
+		$name = '';
+		$link = '';
+		// Check if h-card is set and pass that information on in the link.
+		if (isset($data['type']) && in_array('h-card', $data['type'])) {
+			if (isset($data['properties']['name'][0])) {
+				$name = $data['properties']['name'][0];
+			}
+			if (isset($data['properties']['url'][0])) {
+				$link = $data['properties']['url'][0];
+				if ($name === '') {
+					$name = $link;
+				}
+				else {
+					// can't have commas in categories.
+					$name = str_replace(',', '', $name);
+				}
+				$person_tag = $category ? '<span class="person-tag"></span>' : '';
+				return '<a class="h-card" href="'.$link.'">'.$person_tag.$name.'</a>';
+			}
+		}
+		return isset($data['value']) ? $data['value'] : '';
+	}
+
+	private function parse_microformats(&$data, $url) {
+		$feed_title = '';
+		$feed_author = NULL;
+		$author_cache = array();
+		$items = array();
+		$entries = array();
+		$mf = Mf2\parse($data, $url);
+		// First look for an h-feed.
+		$h_feed = array();
+		foreach ($mf['items'] as $mf_item) {
+			if (in_array('h-feed', $mf_item['type'])) {
+				$h_feed = $mf_item;
+				break;
+			}
+			// Also look for an h-feed in the children of each top level item.
+			if (!isset($mf_item['children'][0]['type'])) continue;
+			if (in_array('h-feed', $mf_item['children'][0]['type'])) {
+				$h_feed = $mf_item['children'][0];
+				// In this case the parent of the h-feed may be an h-card, so use it as
+				// the feed_author.
+				if (in_array('h-card', $mf_item['type'])) $feed_author = $mf_item;
+				break;
+			}
+		}
+		if (isset($h_feed['children'])) {
+			$entries = $h_feed['children'];
+			// Also set the feed title and store author from the h-feed if available.
+			if (isset($mf['items'][0]['properties']['name'][0])) {
+				$feed_title = $mf['items'][0]['properties']['name'][0];
+			}
+			if (isset($mf['items'][0]['properties']['author'][0])) {
+				$feed_author = $mf['items'][0]['properties']['author'][0];
+			}
+		}
+		else {
+			$entries = $mf['items'];
+		}
+		for ($i = 0; $i < count($entries); $i++) {
+			$entry = $entries[$i];
+			if (in_array('h-entry', $entry['type'])) {
+				$item = array();
+				$title = '';
+				$description = '';
+				if (isset($entry['properties']['url'][0])) {
+					$link = $entry['properties']['url'][0];
+					if (isset($link['value'])) $link = $link['value'];
+					$item['link'] = array(array('data' => $link));
+				}
+				if (isset($entry['properties']['uid'][0])) {
+					$guid = $entry['properties']['uid'][0];
+					if (isset($guid['value'])) $guid = $guid['value'];
+					$item['guid'] = array(array('data' => $guid));
+				}
+				if (isset($entry['properties']['name'][0])) {
+					$title = $entry['properties']['name'][0];
+					if (isset($title['value'])) $title = $title['value'];
+					$item['title'] = array(array('data' => $title));
+				}
+				if (isset($entry['properties']['author'][0]) || isset($feed_author)) {
+					// author is a special case, it can be plain text or an h-card array.
+					// If it's plain text it can also be a url that should be followed to
+					// get the actual h-card.
+					$author = isset($entry['properties']['author'][0]) ?
+						$entry['properties']['author'][0] : $feed_author;
+					if (!is_string($author)) {
+						$author = $this->parse_hcard($author);
+					}
+					else if (strpos($author, 'http') === 0) {
+						if (isset($author_cache[$author])) {
+							$author = $author_cache[$author];
+						}
+						else {
+							$mf = Mf2\fetch($author);
+							foreach ($mf['items'] as $hcard) {
+								// Only interested in an h-card by itself in this case.
+								if (!in_array('h-card', $hcard['type'])) {
+									continue;
+								}
+								// It must have a url property matching what we fetched.
+								if (!isset($hcard['properties']['url']) ||
+										!(in_array($author, $hcard['properties']['url']))) {
+									continue;
+								}
+								// Save parse_hcard the trouble of finding the correct url.
+								$hcard['properties']['url'][0] = $author;
+								// Cache this h-card for the next h-entry to check.
+								$author_cache[$author] = $this->parse_hcard($hcard);
+								$author = $author_cache[$author];
+								break;
+							}
+						}
+					}
+					$item['author'] = array(array('data' => $author));
+				}
+				if (isset($entry['properties']['photo'][0])) {
+					// If a photo is also in content, don't need to add it again here.
+					$content = '';
+					if (isset($entry['properties']['content'][0]['html'])) {
+						$content = $entry['properties']['content'][0]['html'];
+					}
+					$photo_list = array();
+					for ($j = 0; $j < count($entry['properties']['photo']); $j++) {
+						$photo = $entry['properties']['photo'][$j];
+						if (strpos($content, $photo) === false) {
+							$photo_list[] = $photo;
+						}
+					}
+					// When there's more than one photo show the first and use a lightbox.
+					$count = count($photo_list);
+					if ($count > 1) {
+						$description = '<p>';
+						for ($j = 0; $j < $count; $j++) {
+							$hidden = $j === 0 ? '' : 'class="hidden" ';
+							$description .= '<a href="'.$photo_list[$j].'" '.$hidden.
+								'data-lightbox="image-set-'.$i.'">'.
+								'<img src="'.$photo_list[$j].'"></a>';
+						}
+						$description .= '<br><b>'.$count.' photos</b></p>';
+					}
+					else if ($count == 1) {
+						$description = '<p><img src="'.$photo_list[0].'"></p>';
+					}
+				}
+				if (isset($entry['properties']['content'][0]['html'])) {
+					// e-content['value'] is the same as p-name when they are on the same
+					// element. Use this to replace title with a strip_tags version so
+					// that alt text from images is not included in the title.
+					if ($entry['properties']['content'][0]['value'] === $title) {
+						$title = strip_tags($entry['properties']['content'][0]['html']);
+						$item['title'] = array(array('data' => $title));
+					}
+					$description .= $entry['properties']['content'][0]['html'];
+					if (isset($entry['properties']['in-reply-to'][0]['value'])) {
+						$in_reply_to = $entry['properties']['in-reply-to'][0]['value'];
+						$description .= '<p><span class="in-reply-to"></span> '.
+							'<a href="'.$in_reply_to.'">'.$in_reply_to.'</a><p>';
+					}
+					$item['description'] = array(array('data' => $description));
+				}
+				if (isset($entry['properties']['category'])) {
+					$category_csv = '';
+					// Categories can also contain h-cards.
+					foreach ($entry['properties']['category'] as $category) {
+						if ($category_csv !== '') $category_csv .= ', ';
+						if (is_string($category)) {
+							// Can't have commas in categories.
+							$category_csv .= str_replace(',', '', $category);
+						}
+						else {
+							$category_csv .= $this->parse_hcard($category, true);
+						}
+					}
+					$item['category'] = array(array('data' => $category_csv));
+				}
+				if (isset($entry['properties']['published'][0])) {
+					$timestamp = strtotime($entry['properties']['published'][0]);
+					$pub_date = date('F j Y g:ia', $timestamp).' GMT';
+					$item['pubDate'] = array(array('data' => $pub_date));
+				}
+				// The title and description are set to the empty string to represent
+				// a deleted item (which also makes it an invalid rss item).
+				if (isset($entry['properties']['deleted'][0])) {
+					$item['title'] = array(array('data' => ''));
+					$item['description'] = array(array('data' => ''));
+				}
+				$items[] = array('child' => array('' => $item));
+			}
+		}
+		// Mimic RSS data format when storing microformats.
+		$link = array(array('data' => $url));
+		$image = '';
+		if (!is_string($feed_author) &&
+				isset($feed_author['properties']['photo'][0])) {
+			$image = array(array('child' => array('' => array('url' =>
+				array(array('data' => $feed_author['properties']['photo'][0]))))));
+		}
+		// Use the a name given for the h-feed, or get the title from the html.
+		if ($feed_title !== '') {
+			$feed_title = array(array('data' => htmlspecialchars($feed_title)));
+		}
+		else if ($position = strpos($data, '<title>')) {
+			$start = $position < 200 ? 0 : $position - 200;
+			$check = substr($data, $start, 400);
+			$matches = array();
+			if (preg_match('/<title>(.+)<\/title>/', $check, $matches)) {
+				$feed_title = array(array('data' => htmlspecialchars($matches[1])));
+			}
+		}
+		$channel = array('channel' => array(array('child' => array('' =>
+			array('link' => $link, 'image' => $image, 'title' => $feed_title,
+			      'item' => $items)))));
+		$rss = array(array('attribs' => array('' => array('version' => '2.0')),
+		                   'child' => array('' => $channel)));
+		$this->data = array('child' => array('' => array('rss' => $rss)));
+		return true;
+	}
+
+	private function declare_html_entities() {
+		// This is required because the RSS specification says that entity-encoded
+		// html is allowed, but the xml specification says they must be declared.
+		return '<!DOCTYPE html [ <!ENTITY nbsp "&#x00A0;"> <!ENTITY iexcl "&#x00A1;"> <!ENTITY cent "&#x00A2;"> <!ENTITY pound "&#x00A3;"> <!ENTITY curren "&#x00A4;"> <!ENTITY yen "&#x00A5;"> <!ENTITY brvbar "&#x00A6;"> <!ENTITY sect "&#x00A7;"> <!ENTITY uml "&#x00A8;"> <!ENTITY copy "&#x00A9;"> <!ENTITY ordf "&#x00AA;"> <!ENTITY laquo "&#x00AB;"> <!ENTITY not "&#x00AC;"> <!ENTITY shy "&#x00AD;"> <!ENTITY reg "&#x00AE;"> <!ENTITY macr "&#x00AF;"> <!ENTITY deg "&#x00B0;"> <!ENTITY plusmn "&#x00B1;"> <!ENTITY sup2 "&#x00B2;"> <!ENTITY sup3 "&#x00B3;"> <!ENTITY acute "&#x00B4;"> <!ENTITY micro "&#x00B5;"> <!ENTITY para "&#x00B6;"> <!ENTITY middot "&#x00B7;"> <!ENTITY cedil "&#x00B8;"> <!ENTITY sup1 "&#x00B9;"> <!ENTITY ordm "&#x00BA;"> <!ENTITY raquo "&#x00BB;"> <!ENTITY frac14 "&#x00BC;"> <!ENTITY frac12 "&#x00BD;"> <!ENTITY frac34 "&#x00BE;"> <!ENTITY iquest "&#x00BF;"> <!ENTITY Agrave "&#x00C0;"> <!ENTITY Aacute "&#x00C1;"> <!ENTITY Acirc "&#x00C2;"> <!ENTITY Atilde "&#x00C3;"> <!ENTITY Auml "&#x00C4;"> <!ENTITY Aring "&#x00C5;"> <!ENTITY AElig "&#x00C6;"> <!ENTITY Ccedil "&#x00C7;"> <!ENTITY Egrave "&#x00C8;"> <!ENTITY Eacute "&#x00C9;"> <!ENTITY Ecirc "&#x00CA;"> <!ENTITY Euml "&#x00CB;"> <!ENTITY Igrave "&#x00CC;"> <!ENTITY Iacute "&#x00CD;"> <!ENTITY Icirc "&#x00CE;"> <!ENTITY Iuml "&#x00CF;"> <!ENTITY ETH "&#x00D0;"> <!ENTITY Ntilde "&#x00D1;"> <!ENTITY Ograve "&#x00D2;"> <!ENTITY Oacute "&#x00D3;"> <!ENTITY Ocirc "&#x00D4;"> <!ENTITY Otilde "&#x00D5;"> <!ENTITY Ouml "&#x00D6;"> <!ENTITY times "&#x00D7;"> <!ENTITY Oslash "&#x00D8;"> <!ENTITY Ugrave "&#x00D9;"> <!ENTITY Uacute "&#x00DA;"> <!ENTITY Ucirc "&#x00DB;"> <!ENTITY Uuml "&#x00DC;"> <!ENTITY Yacute "&#x00DD;"> <!ENTITY THORN "&#x00DE;"> <!ENTITY szlig "&#x00DF;"> <!ENTITY agrave "&#x00E0;"> <!ENTITY aacute "&#x00E1;"> <!ENTITY acirc "&#x00E2;"> <!ENTITY atilde "&#x00E3;"> <!ENTITY auml "&#x00E4;"> <!ENTITY aring "&#x00E5;"> <!ENTITY aelig "&#x00E6;"> <!ENTITY ccedil "&#x00E7;"> <!ENTITY egrave "&#x00E8;"> <!ENTITY eacute "&#x00E9;"> <!ENTITY ecirc "&#x00EA;"> <!ENTITY euml "&#x00EB;"> <!ENTITY igrave "&#x00EC;"> <!ENTITY iacute "&#x00ED;"> <!ENTITY icirc "&#x00EE;"> <!ENTITY iuml "&#x00EF;"> <!ENTITY eth "&#x00F0;"> <!ENTITY ntilde "&#x00F1;"> <!ENTITY ograve "&#x00F2;"> <!ENTITY oacute "&#x00F3;"> <!ENTITY ocirc "&#x00F4;"> <!ENTITY otilde "&#x00F5;"> <!ENTITY ouml "&#x00F6;"> <!ENTITY divide "&#x00F7;"> <!ENTITY oslash "&#x00F8;"> <!ENTITY ugrave "&#x00F9;"> <!ENTITY uacute "&#x00FA;"> <!ENTITY ucirc "&#x00FB;"> <!ENTITY uuml "&#x00FC;"> <!ENTITY yacute "&#x00FD;"> <!ENTITY thorn "&#x00FE;"> <!ENTITY yuml "&#x00FF;"> <!ENTITY OElig "&#x0152;"> <!ENTITY oelig "&#x0153;"> <!ENTITY Scaron "&#x0160;"> <!ENTITY scaron "&#x0161;"> <!ENTITY Yuml "&#x0178;"> <!ENTITY fnof "&#x0192;"> <!ENTITY circ "&#x02C6;"> <!ENTITY tilde "&#x02DC;"> <!ENTITY Alpha "&#x0391;"> <!ENTITY Beta "&#x0392;"> <!ENTITY Gamma "&#x0393;"> <!ENTITY Epsilon "&#x0395;"> <!ENTITY Zeta "&#x0396;"> <!ENTITY Eta "&#x0397;"> <!ENTITY Theta "&#x0398;"> <!ENTITY Iota "&#x0399;"> <!ENTITY Kappa "&#x039A;"> <!ENTITY Lambda "&#x039B;"> <!ENTITY Mu "&#x039C;"> <!ENTITY Nu "&#x039D;"> <!ENTITY Xi "&#x039E;"> <!ENTITY Omicron "&#x039F;"> <!ENTITY Pi "&#x03A0;"> <!ENTITY Rho "&#x03A1;"> <!ENTITY Sigma "&#x03A3;"> <!ENTITY Tau "&#x03A4;"> <!ENTITY Upsilon "&#x03A5;"> <!ENTITY Phi "&#x03A6;"> <!ENTITY Chi "&#x03A7;"> <!ENTITY Psi "&#x03A8;"> <!ENTITY Omega "&#x03A9;"> <!ENTITY alpha "&#x03B1;"> <!ENTITY beta "&#x03B2;"> <!ENTITY gamma "&#x03B3;"> <!ENTITY delta "&#x03B4;"> <!ENTITY epsilon "&#x03B5;"> <!ENTITY zeta "&#x03B6;"> <!ENTITY eta "&#x03B7;"> <!ENTITY theta "&#x03B8;"> <!ENTITY iota "&#x03B9;"> <!ENTITY kappa "&#x03BA;"> <!ENTITY lambda "&#x03BB;"> <!ENTITY mu "&#x03BC;"> <!ENTITY nu "&#x03BD;"> <!ENTITY xi "&#x03BE;"> <!ENTITY omicron "&#x03BF;"> <!ENTITY pi "&#x03C0;"> <!ENTITY rho "&#x03C1;"> <!ENTITY sigmaf "&#x03C2;"> <!ENTITY sigma "&#x03C3;"> <!ENTITY tau "&#x03C4;"> <!ENTITY upsilon "&#x03C5;"> <!ENTITY phi "&#x03C6;"> <!ENTITY chi "&#x03C7;"> <!ENTITY psi "&#x03C8;"> <!ENTITY omega "&#x03C9;"> <!ENTITY thetasym "&#x03D1;"> <!ENTITY upsih "&#x03D2;"> <!ENTITY piv "&#x03D6;"> <!ENTITY ensp "&#x2002;"> <!ENTITY emsp "&#x2003;"> <!ENTITY thinsp "&#x2009;"> <!ENTITY zwnj "&#x200C;"> <!ENTITY zwj "&#x200D;"> <!ENTITY lrm "&#x200E;"> <!ENTITY rlm "&#x200F;"> <!ENTITY ndash "&#x2013;"> <!ENTITY mdash "&#x2014;"> <!ENTITY lsquo "&#x2018;"> <!ENTITY rsquo "&#x2019;"> <!ENTITY sbquo "&#x201A;"> <!ENTITY ldquo "&#x201C;"> <!ENTITY rdquo "&#x201D;"> <!ENTITY bdquo "&#x201E;"> <!ENTITY dagger "&#x2020;"> <!ENTITY Dagger "&#x2021;"> <!ENTITY bull "&#x2022;"> <!ENTITY hellip "&#x2026;"> <!ENTITY permil "&#x2030;"> <!ENTITY prime "&#x2032;"> <!ENTITY Prime "&#x2033;"> <!ENTITY lsaquo "&#x2039;"> <!ENTITY rsaquo "&#x203A;"> <!ENTITY oline "&#x203E;"> <!ENTITY frasl "&#x2044;"> <!ENTITY euro "&#x20AC;"> <!ENTITY image "&#x2111;"> <!ENTITY weierp "&#x2118;"> <!ENTITY real "&#x211C;"> <!ENTITY trade "&#x2122;"> <!ENTITY alefsym "&#x2135;"> <!ENTITY larr "&#x2190;"> <!ENTITY uarr "&#x2191;"> <!ENTITY rarr "&#x2192;"> <!ENTITY darr "&#x2193;"> <!ENTITY harr "&#x2194;"> <!ENTITY crarr "&#x21B5;"> <!ENTITY lArr "&#x21D0;"> <!ENTITY uArr "&#x21D1;"> <!ENTITY rArr "&#x21D2;"> <!ENTITY dArr "&#x21D3;"> <!ENTITY hArr "&#x21D4;"> <!ENTITY forall "&#x2200;"> <!ENTITY part "&#x2202;"> <!ENTITY exist "&#x2203;"> <!ENTITY empty "&#x2205;"> <!ENTITY nabla "&#x2207;"> <!ENTITY isin "&#x2208;"> <!ENTITY notin "&#x2209;"> <!ENTITY ni "&#x220B;"> <!ENTITY prod "&#x220F;"> <!ENTITY sum "&#x2211;"> <!ENTITY minus "&#x2212;"> <!ENTITY lowast "&#x2217;"> <!ENTITY radic "&#x221A;"> <!ENTITY prop "&#x221D;"> <!ENTITY infin "&#x221E;"> <!ENTITY ang "&#x2220;"> <!ENTITY and "&#x2227;"> <!ENTITY or "&#x2228;"> <!ENTITY cap "&#x2229;"> <!ENTITY cup "&#x222A;"> <!ENTITY int "&#x222B;"> <!ENTITY there4 "&#x2234;"> <!ENTITY sim "&#x223C;"> <!ENTITY cong "&#x2245;"> <!ENTITY asymp "&#x2248;"> <!ENTITY ne "&#x2260;"> <!ENTITY equiv "&#x2261;"> <!ENTITY le "&#x2264;"> <!ENTITY ge "&#x2265;"> <!ENTITY sub "&#x2282;"> <!ENTITY sup "&#x2283;"> <!ENTITY nsub "&#x2284;"> <!ENTITY sube "&#x2286;"> <!ENTITY supe "&#x2287;"> <!ENTITY oplus "&#x2295;"> <!ENTITY otimes "&#x2297;"> <!ENTITY perp "&#x22A5;"> <!ENTITY sdot "&#x22C5;"> <!ENTITY lceil "&#x2308;"> <!ENTITY rceil "&#x2309;"> <!ENTITY lfloor "&#x230A;"> <!ENTITY rfloor "&#x230B;"> <!ENTITY lang "&#x2329;"> <!ENTITY rang "&#x232A;"> <!ENTITY loz "&#x25CA;"> <!ENTITY spades "&#x2660;"> <!ENTITY clubs "&#x2663;"> <!ENTITY hearts "&#x2665;"> <!ENTITY diams "&#x2666;"> ]>';
+	}
+}
\ No newline at end of file
diff --git a/lib/SimplePie/SimplePie/Rating.php b/lib/SimplePie/SimplePie/Rating.php
index b5fe80516..eaf57080c 100644
--- a/lib/SimplePie/SimplePie/Rating.php
+++ b/lib/SimplePie/SimplePie/Rating.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Registry.php b/lib/SimplePie/SimplePie/Registry.php
index bd9c1f535..e0909bb74 100755
--- a/lib/SimplePie/SimplePie/Registry.php
+++ b/lib/SimplePie/SimplePie/Registry.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -113,7 +112,7 @@ class SimplePie_Registry
 	 */
 	public function register($type, $class, $legacy = false)
 	{
-		if (!is_subclass_of($class, $this->default[$type]))
+		if (!@is_subclass_of($class, $this->default[$type]))
 		{
 			return false;
 		}
@@ -222,4 +221,4 @@ class SimplePie_Registry
 		$result = call_user_func_array(array($class, $method), $parameters);
 		return $result;
 	}
-}
\ No newline at end of file
+}
diff --git a/lib/SimplePie/SimplePie/Restriction.php b/lib/SimplePie/SimplePie/Restriction.php
index a1d59916d..001a5cd28 100644
--- a/lib/SimplePie/SimplePie/Restriction.php
+++ b/lib/SimplePie/SimplePie/Restriction.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/Sanitize.php b/lib/SimplePie/SimplePie/Sanitize.php
index 168a5e2e8..c55ee50b7 100644
--- a/lib/SimplePie/SimplePie/Sanitize.php
+++ b/lib/SimplePie/SimplePie/Sanitize.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
@@ -61,8 +60,8 @@ class SimplePie_Sanitize
 	var $image_handler = '';
 	var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
 	var $encode_instead_of_strip = false;
-	var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
-	var $add_attributes = array('audio' => array('preload' => 'none'), 'iframe' => array('sandbox' => 'allow-scripts allow-same-origin'), 'video' => array('preload' => 'none'));	//FreshRSS
+	var $strip_attributes = array('bgsound', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
+	var $add_attributes = array('audio' => array('preload' => 'none'), 'iframe' => array('sandbox' => 'allow-scripts allow-same-origin'), 'video' => array('preload' => 'none'));
 	var $strip_comments = false;
 	var $output_encoding = 'UTF-8';
 	var $enable_cache = true;
@@ -73,6 +72,15 @@ class SimplePie_Sanitize
 	var $force_fsockopen = false;
 	var $replace_url_attributes = null;
 
+	/**
+	 * List of domains for which force HTTPS.
+	 * @see SimplePie_Sanitize::set_https_domains()
+	 * Array is tree split at DNS levels. Example:
+	 * array('biz' => true, 'com' => array('example' => true), 'net' => array('example') => array('www' => true))
+	 * FreshRSS
+	 */
+	var $https_domains = array('com' => array('dailymotion' => true, 'youtube' => true));
+
 	public function __construct()
 	{
 		// Set defaults
@@ -161,7 +169,7 @@ class SimplePie_Sanitize
 		$this->encode_instead_of_strip = (bool) $encode;
 	}
 
-	public function strip_attributes($attribs = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc'))
+	public function strip_attributes($attribs = array('bgsound', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc'))
 	{
 		if ($attribs)
 		{
@@ -242,6 +250,71 @@ class SimplePie_Sanitize
 		$this->replace_url_attributes = (array) $element_attribute;
 	}
 
+	/**
+	 * Set the list of domains for which force HTTPS.
+	 * @see SimplePie_Misc::https_url()
+	 * Example array('biz', 'example.com', 'example.org', 'www.example.net');
+	 * FreshRSS
+	 */
+	public function set_https_domains($domains)
+	{
+		$this->https_domains = array();
+		foreach ($domains as $domain)
+		{
+			$domain = trim($domain, ". \t\n\r\0\x0B");
+			$segments = array_reverse(explode('.', $domain));
+			$node =& $this->https_domains;
+			foreach ($segments as $segment)
+			{//Build a tree
+				if ($node === true)
+				{
+					break;
+				}
+				if (!isset($node[$segment]))
+				{
+					$node[$segment] = array();
+				}
+				$node =& $node[$segment];
+			}
+			$node = true;
+		}
+	}
+
+	/**
+	 * Check if the domain is in the list of forced HTTPS
+	 * FreshRSS
+	 */
+	protected function is_https_domain($domain)
+	{
+		$domain = trim($domain, '. ');
+		$segments = array_reverse(explode('.', $domain));
+		$node =& $this->https_domains;
+		foreach ($segments as $segment)
+		{//Explore the tree
+			if (isset($node[$segment]))
+			{
+				$node =& $node[$segment];
+			}
+			else
+			{
+				break;
+			}
+		}
+		return $node === true;
+	}
+
+	/**
+	 * Force HTTPS for selected Web sites
+	 * FreshRSS
+	 */
+	public function https_url($url)
+	{
+		return (strtolower(substr($url, 0, 7)) === 'http://') &&
+			$this->is_https_domain(parse_url($url, PHP_URL_HOST)) ?
+			substr_replace($url, 's', 4, 0) :	//Add the 's' to HTTPS
+			$url;
+	}
+
 	public function sanitize($data, $type, $base = '')
 	{
 		$data = trim($data);
@@ -249,6 +322,7 @@ class SimplePie_Sanitize
 		{
 			if ($type & SIMPLEPIE_CONSTRUCT_MAYBE_HTML)
 			{
+				$data = htmlspecialchars_decode($data, ENT_QUOTES);	//FreshRSS
 				if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data))
 				{
 					$type |= SIMPLEPIE_CONSTRUCT_HTML;
@@ -273,13 +347,14 @@ class SimplePie_Sanitize
 				}
 				$document = new DOMDocument();
 				$document->encoding = 'UTF-8';
+
 				$data = $this->preprocess($data, $type);
 
 				set_error_handler(array('SimplePie_Misc', 'silence_errors'));
 				$document->loadHTML($data);
 				restore_error_handler();
 
-				$xpath = new DOMXPath($document);	//FreshRSS
+				$xpath = new DOMXPath($document);
 
 				// Strip comments
 				if ($this->strip_comments)
@@ -362,19 +437,17 @@ class SimplePie_Sanitize
 					}
 				}
 
-				// Remove the DOCTYPE
-				// Seems to cause segfaulting if we don't do this
-				if ($document->firstChild instanceof DOMDocumentType)
+				// Get content node
+				$div = $document->getElementsByTagName('body')->item(0)->firstChild;
+				// Finally, convert to a HTML string
+				if (version_compare(PHP_VERSION, '5.3.6', '>='))
 				{
-					$document->removeChild($document->firstChild);
+					$data = trim($document->saveHTML($div));
+				}
+				else
+				{
+					$data = trim($document->saveXML($div));
 				}
-
-				// Move everything from the body to the root
-				$real_body = $document->getElementsByTagName('body')->item(0)->childNodes->item(0);
-				$document->replaceChild($real_body, $document->firstChild);
-
-				// Finally, convert to a HTML string
-				$data = trim($document->saveHTML());
 
 				if ($this->remove_div)
 				{
@@ -450,7 +523,8 @@ class SimplePie_Sanitize
 					if ($element->hasAttribute($attribute))
 					{
 						$value = $this->registry->call('Misc', 'absolutize_url', array($element->getAttribute($attribute), $this->base));
-						if ($value !== false)
+						$value = $this->https_url($value);	//FreshRSS
+						if ($value)
 						{
 							$element->setAttribute($attribute, $value);
 						}
diff --git a/lib/SimplePie/SimplePie/Source.php b/lib/SimplePie/SimplePie/Source.php
index 2613798fd..1a66a392d 100644
--- a/lib/SimplePie/SimplePie/Source.php
+++ b/lib/SimplePie/SimplePie/Source.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/XML/Declaration/Parser.php b/lib/SimplePie/SimplePie/XML/Declaration/Parser.php
index 589e452a2..99e751672 100644
--- a/lib/SimplePie/SimplePie/XML/Declaration/Parser.php
+++ b/lib/SimplePie/SimplePie/XML/Declaration/Parser.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/SimplePie/SimplePie/gzdecode.php b/lib/SimplePie/SimplePie/gzdecode.php
index 6e65f0811..0e8bc8fc6 100644
--- a/lib/SimplePie/SimplePie/gzdecode.php
+++ b/lib/SimplePie/SimplePie/gzdecode.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,8 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.4-dev
- * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
  * @author Ryan McCue
diff --git a/lib/favicons.php b/lib/favicons.php
new file mode 100644
index 000000000..2d6f7aab7
--- /dev/null
+++ b/lib/favicons.php
@@ -0,0 +1,110 @@
+<?php
+$favicons_dir = DATA_PATH . '/favicons/';
+$default_favicon = PUBLIC_PATH . '/themes/icons/default_favicon.ico';
+
+function isImgMime($content) {
+	//Based on https://github.com/ArthurHoaro/favicon/blob/3a4f93da9bb24915b21771eb7873a21bde26f5d1/src/Favicon/Favicon.php#L311-L319
+	if ($content == '') {
+		return false;
+	}
+	if (!extension_loaded('fileinfo')) {
+		return true;
+	}
+	$isImage = true;
+	try {
+		$fInfo = finfo_open(FILEINFO_MIME_TYPE);
+		$isImage = strpos(finfo_buffer($fInfo, $content), 'image') !== false;
+		finfo_close($fInfo);
+	} catch (Exception $e) {
+		echo 'Caught exception: ',  $e->getMessage(), "\n";
+	}
+	return $isImage;
+}
+
+function downloadHttp(&$url, $curlOptions = array()) {
+	syslog(LOG_INFO, 'FreshRSS Favicon GET ' . $url);
+	if (substr($url, 0, 2) === '//') {
+		$url = 'https:' . $favicon;
+	}
+	if ($url == '' || filter_var($url, FILTER_VALIDATE_URL) === false) {
+		return '';
+	}
+	$ch = curl_init($url);
+	curl_setopt_array($ch, array(
+			CURLOPT_RETURNTRANSFER => true,
+			CURLOPT_TIMEOUT => 15,
+			CURLOPT_USERAGENT => FRESHRSS_USERAGENT,
+			CURLOPT_MAXREDIRS => 10,
+		));
+	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);	//Keep option separated for open_basedir bug
+	if (defined('CURLOPT_ENCODING')) {
+		curl_setopt($ch, CURLOPT_ENCODING, '');	//Enable all encodings
+	}
+	curl_setopt_array($ch, $curlOptions);
+	$response = curl_exec($ch);
+	$info = curl_getinfo($ch);
+	curl_close($ch);
+	if (!empty($info['url']) && (filter_var($info['url'], FILTER_VALIDATE_URL) !== false)) {
+		$url = $info['url'];	//Possible redirect
+	}
+	return $info['http_code'] == 200 ? $response : '';
+}
+
+function searchFavicon(&$url) {
+	$dom = new DOMDocument();
+	$html = downloadHttp($url);
+	if ($html != '' && @$dom->loadHTML($html, LIBXML_NONET | LIBXML_NOERROR | LIBXML_NOWARNING)) {
+		$rels = array('shortcut icon', 'icon');
+		$links = $dom->getElementsByTagName('link');
+		foreach ($rels as $rel) {
+			foreach ($links as $link) {
+				if ($link->hasAttribute('rel') && $link->hasAttribute('href') &&
+					strtolower(trim($link->getAttribute('rel'))) === $rel) {
+					$href = trim($link->getAttribute('href'));
+					if (substr($href, 0, 2) === '//') {
+						// Case of protocol-relative URLs
+						if (preg_match('%^(https?:)//%i', $url, $matches)) {
+							$href = $matches[1] . $href;
+						} else {
+							$href = 'https:' . $href;
+						}
+					}
+					if (filter_var($href, FILTER_VALIDATE_URL) === false) {
+						$href = SimplePie_IRI::absolutize($url, $href);
+					}
+					$favicon = downloadHttp($href, array(
+							CURLOPT_REFERER => $url,
+						));
+					if (isImgMime($favicon)) {
+						return $favicon;
+					}
+				}
+			}
+		}
+	}
+	return '';
+}
+
+function download_favicon($url, $dest) {
+	global $default_favicon;
+	$url = trim($url);
+	$favicon = searchFavicon($url);
+	if ($favicon == '') {
+		$rootUrl = preg_replace('%^(https?://[^/]+).*$%i', '$1/', $url);
+		if ($rootUrl != $url) {
+			$url = $rootUrl;
+			$favicon = searchFavicon($url);
+		}
+		if ($favicon == '') {
+			$link = $rootUrl . 'favicon.ico';
+			$favicon = downloadHttp($link, array(
+					CURLOPT_REFERER => $url,
+				));
+			if (!isImgMime($favicon)) {
+				$favicon = '';
+			}
+		}
+	}
+	return ($favicon != '' && file_put_contents($dest, $favicon)) ||
+		@copy($default_favicon, $dest);
+}
diff --git a/lib/http-conditional.php b/lib/http-conditional.php
index 59fbef41f..6d3a0a97f 100644
--- a/lib/http-conditional.php
+++ b/lib/http-conditional.php
@@ -35,12 +35,12 @@
   ... //Rest of the script, just as you would do normally.
  ?>
 
- Version 1.7 beta, 2013-12-02, http://alexandre.alapetite.fr/doc-alex/php-http-304/
+ Version 1.8 beta, 2016-08-07, http://alexandre.alapetite.fr/doc-alex/php-http-304/
 
  ------------------------------------------------------------------
  Written by Alexandre Alapetite, http://alexandre.alapetite.fr/cv/
 
- Copyright 2004-2013, Licence: Creative Commons "Attribution-ShareAlike 2.0 France" BY-SA (FR),
+ Copyright 2004-2016, Licence: Creative Commons "Attribution-ShareAlike 2.0 France" BY-SA (FR),
  http://creativecommons.org/licenses/by-sa/2.0/fr/
  http://alexandre.alapetite.fr/divers/apropos/#by-sa
  - Attribution. You must give the original author credit
@@ -96,7 +96,8 @@ function httpConditional($UnixTimeStamp,$cacheSeconds=0,$cachePrivacy=0,$feedMod
 	if ((!$is412)&&isset($_SERVER['HTTP_IF_MATCH']))
 	{//rfc2616-sec14.html#sec14.24
 		$etagsClient=stripslashes($_SERVER['HTTP_IF_MATCH']);
-		$is412=(($etagClient!=='*')&&(strpos($etagsClient,$etagServer)===false));
+		$etagsClient=str_ireplace('-gzip','',$etagsClient);
+		$is412=(($etagsClient!=='*')&&(strpos($etagsClient,$etagServer)===false));
 	}
 	if ($is304&&isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))
 	{//rfc2616-sec14.html#sec14.25 //rfc1945.txt
@@ -111,6 +112,7 @@ function httpConditional($UnixTimeStamp,$cacheSeconds=0,$cachePrivacy=0,$feedMod
 	{//rfc2616-sec14.html#sec14.26
 		$nbCond++;
 		$etagClient=stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
+		$etagClient=str_ireplace('-gzip','',$etagClient);
 		$is304=(($etagClient===$etagServer)||($etagClient==='*'));
 	}
 	if ((!$is412)&&isset($_SERVER['HTTP_IF_UNMODIFIED_SINCE']))
diff --git a/lib/lib_date.php b/lib/lib_date.php
index 9533711e3..cb1f1d1e2 100644
--- a/lib/lib_date.php
+++ b/lib/lib_date.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Author: Alexandre Alapetite http://alexandre.alapetite.fr
+ * Author: Alexandre Alapetite https://alexandre.alapetite.fr
  * 2014-06-01
  * License: GNU AGPLv3 http://www.gnu.org/licenses/agpl-3.0.html
  *
@@ -63,8 +63,7 @@ function _dateCeiling($isoDate) {
 }
 
 function _noDelimit($isoDate) {
-	return $isoDate === null || $isoDate === '' ? null :
-		str_replace(array('-', ':'), '', $isoDate);	//FIXME: Bug with negative time zone
+	return $isoDate === null || $isoDate === '' ? null : str_replace(array('-', ':'), '', $isoDate);	//FIXME: Bug with negative time zone
 }
 
 function _dateRelative($d1, $d2) {
diff --git a/lib/lib_install.php b/lib/lib_install.php
new file mode 100644
index 000000000..7305d8e28
--- /dev/null
+++ b/lib/lib_install.php
@@ -0,0 +1,147 @@
+<?php
+
+define('BCRYPT_COST', 9);
+
+Minz_Configuration::register('default_system', join_path(FRESHRSS_PATH, 'config.default.php'));
+Minz_Configuration::register('default_user', join_path(FRESHRSS_PATH, 'config-user.default.php'));
+
+function checkRequirements($dbType = '') {
+	$php = version_compare(PHP_VERSION, '5.3.8') >= 0;
+	$minz = file_exists(join_path(LIB_PATH, 'Minz'));
+	$curl = extension_loaded('curl');
+	$pdo_mysql = extension_loaded('pdo_mysql');
+	$pdo_sqlite = extension_loaded('pdo_sqlite');
+	$pdo_pgsql = extension_loaded('pdo_pgsql');
+	$message = '';
+	switch ($dbType) {
+		case 'mysql':
+			$pdo_sqlite = $pdo_pgsql = true;
+			$pdo = $pdo_mysql;
+			break;
+		case 'sqlite':
+			$pdo_mysql = $pdo_pgsql = true;
+			$pdo = $pdo_sqlite;
+			break;
+		case 'pgsql':
+			$pdo_mysql = $pdo_sqlite = true;
+			$pdo = $pdo_pgsql;
+			break;
+		case '':
+			$pdo = $pdo_mysql || $pdo_sqlite || $pdo_pgsql;
+			break;
+		default:
+			$pdo_mysql = $pdo_sqlite = $pdo_pgsql = true;
+			$pdo = false;
+			$message = 'Invalid database type!';
+			break;
+	}
+	$pcre = extension_loaded('pcre');
+	$ctype = extension_loaded('ctype');
+	$fileinfo = extension_loaded('fileinfo');
+	$dom = class_exists('DOMDocument');
+	$xml = function_exists('xml_parser_create');
+	$json = function_exists('json_encode');
+	$data = DATA_PATH && is_writable(DATA_PATH);
+	$cache = CACHE_PATH && is_writable(CACHE_PATH);
+	$users = USERS_PATH && is_writable(USERS_PATH);
+	$favicons = is_writable(join_path(DATA_PATH, 'favicons'));
+	$http_referer = is_referer_from_same_domain();
+
+	return array(
+		'php' => $php ? 'ok' : 'ko',
+		'minz' => $minz ? 'ok' : 'ko',
+		'curl' => $curl ? 'ok' : 'ko',
+		'pdo-mysql' => $pdo_mysql ? 'ok' : 'ko',
+		'pdo-sqlite' => $pdo_sqlite ? 'ok' : 'ko',
+		'pdo-pgsql' => $pdo_pgsql ? 'ok' : 'ko',
+		'pdo' => $pdo ? 'ok' : 'ko',
+		'pcre' => $pcre ? 'ok' : 'ko',
+		'ctype' => $ctype ? 'ok' : 'ko',
+		'fileinfo' => $fileinfo ? 'ok' : 'ko',
+		'dom' => $dom ? 'ok' : 'ko',
+		'xml' => $xml ? 'ok' : 'ko',
+		'json' => $json ? 'ok' : 'ko',
+		'data' => $data ? 'ok' : 'ko',
+		'cache' => $cache ? 'ok' : 'ko',
+		'users' => $users ? 'ok' : 'ko',
+		'favicons' => $favicons ? 'ok' : 'ko',
+		'http_referer' => $http_referer ? 'ok' : 'ko',
+		'message' => $message ?: 'ok',
+		'all' => $php && $minz && $curl && $pdo && $pcre && $ctype && $dom && $xml &&
+		         $data && $cache && $users && $favicons && $http_referer && $message == '' ? 'ok' : 'ko'
+	);
+}
+
+function generateSalt() {
+	return sha1(uniqid(mt_rand(), true).implode('', stat(__FILE__)));
+}
+
+function checkDb(&$dbOptions) {
+	$dsn = '';
+	$driver_options = null;
+	try {
+		switch ($dbOptions['type']) {
+		case 'mysql':
+			include_once(APP_PATH . '/SQL/install.sql.mysql.php');
+			$driver_options = array(
+				PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8mb4'
+			);
+			try {	// on ouvre une connexion juste pour créer la base si elle n'existe pas
+				$dsn = 'mysql:host=' . $dbOptions['host'] . ';';
+				$c = new PDO($dsn, $dbOptions['user'], $dbOptions['password'], $driver_options);
+				$sql = sprintf(SQL_CREATE_DB, $dbOptions['base']);
+				$res = $c->query($sql);
+			} catch (PDOException $e) {
+				syslog(LOG_DEBUG, 'FreshRSS MySQL warning: ' . $e->getMessage());
+			}
+			// on écrase la précédente connexion en sélectionnant la nouvelle BDD
+			$dsn = 'mysql:host=' . $dbOptions['host'] . ';dbname=' . $dbOptions['base'];
+			break;
+		case 'sqlite':
+			include_once(APP_PATH . '/SQL/install.sql.sqlite.php');
+			$path = join_path(USERS_PATH, $dbOptions['default_user']);
+			if (!is_dir($path)) {
+				mkdir($path);
+			}
+			$dsn = 'sqlite:' . join_path($path, 'db.sqlite');
+			$driver_options = array(
+				PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+			);
+			break;
+		case 'pgsql':
+			include_once(APP_PATH . '/SQL/install.sql.pgsql.php');
+			$driver_options = array(
+				PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+			);
+			try {	// on ouvre une connexion juste pour créer la base si elle n'existe pas
+				$dsn = 'pgsql:host=' . $dbOptions['host'] . ';dbname=postgres';
+				$c = new PDO($dsn, $dbOptions['user'], $dbOptions['password'], $driver_options);
+				$sql = sprintf(SQL_CREATE_DB, $dbOptions['base']);
+				$res = $c->query($sql);
+			} catch (PDOException $e) {
+				syslog(LOG_DEBUG, 'FreshRSS PostgreSQL warning: ' . $e->getMessage());
+			}
+			// on écrase la précédente connexion en sélectionnant la nouvelle BDD
+			$dsn = 'pgsql:host=' . $dbOptions['host'] . ';dbname=' . $dbOptions['base'];
+			break;
+		default:
+			return false;
+		}
+
+		$c = new PDO($dsn, $dbOptions['user'], $dbOptions['password'], $driver_options);
+		$res = $c->query('SELECT 1');
+	} catch (PDOException $e) {
+		$dsn = '';
+		syslog(LOG_DEBUG, 'FreshRSS SQL warning: ' . $e->getMessage());
+		$dbOptions['error'] = $e->getMessage();
+	}
+	$dbOptions['dsn'] = $dsn;
+	$dbOptions['options'] = $driver_options;
+	return $dsn != '';
+}
+
+function deleteInstall() {
+	$path = join_path(DATA_PATH, 'do-install.txt');
+	@unlink($path);
+	return !file_exists($path);
+}
diff --git a/lib/lib_opml.php b/lib/lib_opml.php
index 02ae5f55c..b89e92977 100644
--- a/lib/lib_opml.php
+++ b/lib/lib_opml.php
@@ -12,7 +12,7 @@
  *
  * @author   Marien Fressinaud <dev@marienfressinaud.fr>
  * @link     https://github.com/marienfressinaud/lib_opml
- * @version  0.2
+ * @version  0.2-FreshRSS~1.5.1
  * @license  public domain
  *
  * Usages:
@@ -105,6 +105,10 @@ function libopml_parse_outline($outline_xml, $strict = true) {
 		);
 	}
 
+	if (empty($outline['text']) && isset($outline['title'])) {
+		$outline['text'] = $outline['title'];
+	}
+
 	foreach ($outline_xml->children() as $key => $value) {
 		// An outline may contain any number of outline children
 		if ($key === 'outline') {
@@ -119,6 +123,32 @@ function libopml_parse_outline($outline_xml, $strict = true) {
 	return $outline;
 }
 
+/**
+ * Reformat the XML document as a hierarchy when
+ * the OPML 2.0 category attribute is used
+ */
+function preprocessing_categories($doc) {
+	$outline_categories = array();
+	$body = $doc->getElementsByTagName('body')->item(0);
+	$xpath = new DOMXpath($doc);
+	$outlines = $xpath->query('/opml/body/outline[@category]');
+	foreach ($outlines as $outline) {
+		$category = trim($outline->getAttribute('category'));
+		if ($category != '') {
+			$outline_categorie = null;
+			if (!isset($outline_categories[$category])) {
+				$outline_categorie = $doc->createElement('outline');
+				$outline_categorie->setAttribute('text', $category);
+				$body->insertBefore($outline_categorie, $body->firstChild);
+				$outline_categories[$category] = $outline_categorie;
+			} else {
+				$outline_categorie = $outline_categories[$category];
+			}
+			$outline->parentNode->removeChild($outline);
+			$outline_categorie->appendChild($outline);
+		}
+	}
+}
 
 /**
  * Parse a string as a XML one and returns the corresponding array
@@ -136,6 +166,9 @@ function libopml_parse_string($xml, $strict = true) {
 	$dom->loadXML($xml);
 	$dom->encoding = 'UTF-8';
 
+	//Partial compatibility with the category attribute of OPML 2.0
+	preprocessing_categories($dom);
+
 	$opml = simplexml_import_dom($dom);
 
 	if (!$opml) {
diff --git a/lib/lib_rss.php b/lib/lib_rss.php
index e5fe73041..e9c4da049 100644
--- a/lib/lib_rss.php
+++ b/lib/lib_rss.php
@@ -1,20 +1,26 @@
 <?php
+if (version_compare(PHP_VERSION, '5.3.8', '<')) {
+	die('FreshRSS error: FreshRSS requires PHP 5.3.8+!');
+}
+
 if (!function_exists('json_decode')) {
-	require_once('JSON.php');
-	function json_decode($var) {
-		$JSON = new Services_JSON;
-		return (array)($JSON->decode($var));
+	require_once(__DIR__ . '/JSON.php');
+	function json_decode($var, $assoc = false) {
+		$JSON = new Services_JSON($assoc ? SERVICES_JSON_LOOSE_TYPE : 0);
+		return $JSON->decode($var);
 	}
 }
 
 if (!function_exists('json_encode')) {
-	require_once('JSON.php');
+	require_once(__DIR__ . '/JSON.php');
 	function json_encode($var) {
-		$JSON = new Services_JSON;
+		$JSON = new Services_JSON();
 		return $JSON->encodeUnsafe($var);
 	}
 }
 
+defined('JSON_UNESCAPED_UNICODE') or define('JSON_UNESCAPED_UNICODE', 256);	//PHP 5.3
+
 /**
  * Build a directory path by concatenating a list of directory names.
  *
@@ -38,7 +44,7 @@ function classAutoloader($class) {
 				include(APP_PATH . '/Models/' . $components[1] . '.php');
 				return;
 			case 3:	//Controllers, Exceptions
-				@include(APP_PATH . '/' . $components[2] . 's/' . $components[1] . $components[2] . '.php');
+				include(APP_PATH . '/' . $components[2] . 's/' . $components[1] . $components[2] . '.php');
 				return;
 		}
 	} elseif (strpos($class, 'Minz') === 0) {
@@ -51,22 +57,71 @@ function classAutoloader($class) {
 spl_autoload_register('classAutoloader');
 //</Auto-loading>
 
+function idn_to_puny($url) {
+	if (function_exists('idn_to_ascii')) {
+		$parts = parse_url($url);
+		if (!empty($parts['host'])) {
+			$idn = $parts['host'];
+			// INTL_IDNA_VARIANT_UTS46 is defined starting in PHP 5.4
+			if (defined('INTL_IDNA_VARIANT_UTS46')) {
+				$puny = idn_to_ascii($idn, 0, INTL_IDNA_VARIANT_UTS46);
+			} else {
+				$puny = idn_to_ascii($idn);
+			}
+			$pos = strpos($url, $idn);
+			if ($pos !== false) {
+				return substr_replace($url, $puny, $pos, strlen($idn));
+			}
+		}
+	}
+	return $url;
+}
+
 function checkUrl($url) {
-	if (empty ($url)) {
+	if ($url == '') {
 		return '';
 	}
-	if (!preg_match ('#^https?://#i', $url)) {
+	if (!preg_match('#^https?://#i', $url)) {
 		$url = 'http://' . $url;
 	}
-	if (filter_var($url, FILTER_VALIDATE_URL) ||
-		(version_compare(PHP_VERSION, '5.3.3', '<') && (strpos($url, '-') > 0) &&	//PHP bug #51192
-		 ($url === filter_var($url, FILTER_SANITIZE_URL)))) {
+	$url = idn_to_puny($url);	//PHP bug #53474 IDN
+	if (filter_var($url, FILTER_VALIDATE_URL)) {
 		return $url;
 	} else {
 		return false;
 	}
 }
 
+function safe_ascii($text) {
+	return filter_var($text, FILTER_DEFAULT, FILTER_FLAG_STRIP_LOW | FILTER_FLAG_STRIP_HIGH);
+}
+
+/**
+ * Test if a given server address is publicly accessible.
+ *
+ * Note: for the moment it tests only if address is corresponding to a
+ * localhost address.
+ *
+ * @param $address the address to test, can be an IP or a URL.
+ * @return true if server is accessible, false else.
+ * @todo improve test with a more valid technique (e.g. test with an external server?)
+ */
+function server_is_public($address) {
+	$host = parse_url($address, PHP_URL_HOST);
+
+	$is_public = !in_array($host, array(
+		'127.0.0.1',
+		'localhost',
+		'localhost.localdomain',
+		'[::1]',
+		'localhost6',
+		'localhost6.localdomain6',
+	));
+
+	return $is_public;
+}
+
+
 function format_number($n, $precision = 0) {
 	// number_format does not seem to be Unicode-compatible
 	return str_replace(' ', ' ',  //Espace fine insécable
@@ -81,6 +136,8 @@ function format_bytes($bytes, $precision = 2, $system = 'IEC') {
 	} elseif ($system === 'SI') {
 		$base = 1000;
 		$units = array('B', 'KB', 'MB', 'GB', 'TB');
+	} else {
+		return format_number($bytes, $precision);
 	}
 	$bytes = max(intval($bytes), 0);
 	$pow = $bytes === 0 ? 0 : floor(log($bytes) / log($base));
@@ -122,10 +179,12 @@ function customSimplePie() {
 	$system_conf = Minz_Configuration::get('system');
 	$limits = $system_conf->limits;
 	$simplePie = new SimplePie();
-	$simplePie->set_useragent(_t('gen.freshrss') . '/' . FRESHRSS_VERSION . ' (' . PHP_OS . '; ' . FRESHRSS_WEBSITE . ') ' . SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION);
+	$simplePie->set_useragent(FRESHRSS_USERAGENT);
+	$simplePie->set_syslog($system_conf->simplepie_syslog_enabled);
 	$simplePie->set_cache_location(CACHE_PATH);
 	$simplePie->set_cache_duration($limits['cache_duration']);
 	$simplePie->set_timeout($limits['timeout']);
+	$simplePie->set_curl_options($system_conf->curl_options);
 	$simplePie->strip_htmltags(array(
 		'base', 'blink', 'body', 'doctype', 'embed',
 		'font', 'form', 'frame', 'frameset', 'html',
@@ -133,14 +192,13 @@ function customSimplePie() {
 		'object', 'param', 'plaintext', 'script', 'style',
 	));
 	$simplePie->strip_attributes(array_merge($simplePie->strip_attributes, array(
-		'autoplay', 'onload', 'onunload', 'onclick', 'ondblclick', 'onmousedown', 'onmouseup',
+		'autoplay', 'class', 'onload', 'onunload', 'onclick', 'ondblclick', 'onmousedown', 'onmouseup',
 		'onmouseover', 'onmousemove', 'onmouseout', 'onfocus', 'onblur',
-		'onkeypress', 'onkeydown', 'onkeyup', 'onselect', 'onchange', 'seamless')));
+		'onkeypress', 'onkeydown', 'onkeyup', 'onselect', 'onchange', 'seamless', 'sizes', 'srcset')));
 	$simplePie->add_attributes(array(
-		'img' => array('lazyload' => '', 'postpone' => ''),	//http://www.w3.org/TR/resource-priorities/
-		'audio' => array('lazyload' => '', 'postpone' => '', 'preload' => 'none'),
-		'iframe' => array('lazyload' => '', 'postpone' => '', 'sandbox' => 'allow-scripts allow-same-origin'),
-		'video' => array('lazyload' => '', 'postpone' => '', 'preload' => 'none'),
+		'audio' => array('controls' => 'controls', 'preload' => 'none'),
+		'iframe' => array('sandbox' => 'allow-scripts allow-same-origin'),
+		'video' => array('controls' => 'controls', 'preload' => 'none'),
 	));
 	$simplePie->set_url_replacements(array(
 		'a' => 'href',
@@ -164,6 +222,16 @@ function customSimplePie() {
 			'src',
 		),
 	));
+	$https_domains = array();
+	$force = @file(FRESHRSS_PATH . '/force-https.default.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+	if (is_array($force)) {
+		$https_domains = array_merge($https_domains, $force);
+	}
+	$force = @file(DATA_PATH . '/force-https.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+	if (is_array($force)) {
+		$https_domains = array_merge($https_domains, $force);
+	}
+	$simplePie->set_https_domains($https_domains);
 	return $simplePie;
 }
 
@@ -178,17 +246,27 @@ function sanitizeHTML($data, $base = '') {
 
 /* permet de récupérer le contenu d'un article pour un flux qui n'est pas complet */
 function get_content_by_parsing ($url, $path) {
-	require_once (LIB_PATH . '/lib_phpQuery.php');
+	require_once(LIB_PATH . '/lib_phpQuery.php');
 
-	Minz_Log::notice('FreshRSS GET ' . url_remove_credentials($url));
-	$html = file_get_contents ($url);
+	Minz_Log::notice('FreshRSS GET ' . SimplePie_Misc::url_remove_credentials($url));
+	$html = file_get_contents($url);
 
 	if ($html) {
-		$doc = phpQuery::newDocument ($html);
-		$content = $doc->find ($path);
+		$doc = phpQuery::newDocument($html);
+		$content = $doc->find($path);
+
+		foreach (pq('img[data-src]') as $img) {
+			$imgP = pq($img);
+			$dataSrc = $imgP->attr('data-src');
+			if (strlen($dataSrc) > 4) {
+				$imgP->attr('src', $dataSrc);
+				$imgP->removeAttr('data-src');
+			}
+		}
+
 		return sanitizeHTML($content->__toString(), $url);
 	} else {
-		throw new Exception ();
+		throw new Exception();
 	}
 }
 
@@ -215,9 +293,12 @@ function uSecString() {
 	return str_pad($t['usec'], 6, '0');
 }
 
-function invalidateHttpCache() {
-	Minz_Session::_param('touch', uTimeString());
-	return touch(join_path(DATA_PATH, 'users', Minz_Session::param('currentUser', '_'), 'log.txt'));
+function invalidateHttpCache($username = '') {
+	if (!FreshRSS_user_Controller::checkUsername($username)) {
+		Minz_Session::_param('touch', uTimeString());
+		$username = Minz_Session::param('currentUser', '_');
+	}
+	return touch(join_path(DATA_PATH, 'users', $username, 'log.txt'));
 }
 
 function listUsers() {
@@ -227,18 +308,32 @@ function listUsers() {
 		scandir($base_path),
 		array('..', '.', '_')
 	));
-
 	foreach ($dir_list as $file) {
-		if (is_dir(join_path($base_path, $file))) {
+		if ($file[0] !== '.' && is_dir(join_path($base_path, $file)) && file_exists(join_path($base_path, $file, 'config.php'))) {
 			$final_list[] = $file;
 		}
 	}
-
 	return $final_list;
 }
 
 
 /**
+ * Return if the maximum number of registrations has been reached.
+ *
+ * Note a max_regstrations of 0 means there is no limit.
+ *
+ * @return true if number of users >= max registrations, false else.
+ */
+function max_registrations_reached() {
+	$system_conf = Minz_Configuration::get('system');
+	$limit_registrations = $system_conf->limits['max_registrations'];
+	$number_accounts = count(listUsers());
+
+	return $limit_registrations > 0 && $number_accounts >= $limit_registrations;
+}
+
+
+/**
  * Register and return the configuration for a given user.
  *
  * Note this function has been created to generate temporary configuration
@@ -248,13 +343,17 @@ function listUsers() {
  * @return a Minz_Configuration object, null if the configuration cannot be loaded.
  */
 function get_user_configuration($username) {
+	if (!FreshRSS_user_Controller::checkUsername($username)) {
+		return null;
+	}
 	$namespace = 'user_' . $username;
 	try {
 		Minz_Configuration::register($namespace,
 		                             join_path(USERS_PATH, $username, 'config.php'),
-		                             join_path(USERS_PATH, '_', 'config.default.php'));
+		                             join_path(FRESHRSS_PATH, 'config-user.default.php'));
 	} catch (Minz_ConfigurationNamespaceException $e) {
 		// namespace already exists, do nothing.
+		Minz_Log::warning($e->getMessage());
 	} catch (Minz_FileNotExistException $e) {
 		Minz_Log::warning($e->getMessage());
 		return null;
@@ -269,19 +368,18 @@ function httpAuthUser() {
 }
 
 function cryptAvailable() {
-	if (version_compare(PHP_VERSION, '5.3.3', '>=')) {
-		try {
-			$hash = '$2y$04$usesomesillystringfore7hnbRJHxXVLeakoG8K30oukPsA.ztMG';
-			return $hash === @crypt('password', $hash);
-		} catch (Exception $e) {
-		}
+	try {
+		$hash = '$2y$04$usesomesillystringfore7hnbRJHxXVLeakoG8K30oukPsA.ztMG';
+		return $hash === @crypt('password', $hash);
+	} catch (Exception $e) {
+		Minz_Log::warning($e->getMessage());
 	}
 	return false;
 }
 
 function is_referer_from_same_domain() {
 	if (empty($_SERVER['HTTP_REFERER'])) {
-		return false;
+		return true;	//Accept empty referer while waiting for good support of meta referrer same-origin policy in browsers
 	}
 	$host = parse_url(((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on') ? 'https://' : 'http://') .
 		(empty($_SERVER['HTTP_HOST']) ? $_SERVER['SERVER_NAME'] : $_SERVER['HTTP_HOST']));
@@ -304,14 +402,16 @@ function is_referer_from_same_domain() {
  */
 function check_install_php() {
 	$pdo_mysql = extension_loaded('pdo_mysql');
+	$pdo_pgsql = extension_loaded('pdo_pgsql');
 	$pdo_sqlite = extension_loaded('pdo_sqlite');
 	return array(
-		'php' => version_compare(PHP_VERSION, '5.2.1') >= 0,
+		'php' => version_compare(PHP_VERSION, '5.3.8') >= 0,
 		'minz' => file_exists(LIB_PATH . '/Minz'),
 		'curl' => extension_loaded('curl'),
-		'pdo' => $pdo_mysql || $pdo_sqlite,
+		'pdo' => $pdo_mysql || $pdo_sqlite || $pdo_pgsql,
 		'pcre' => extension_loaded('pcre'),
 		'ctype' => extension_loaded('ctype'),
+		'fileinfo' => extension_loaded('fileinfo'),
 		'dom' => class_exists('DOMDocument'),
 		'json' => extension_loaded('json'),
 		'zip' => extension_loaded('zip'),
@@ -330,7 +430,6 @@ function check_install_files() {
 		'cache' => CACHE_PATH && is_writable(CACHE_PATH),
 		'users' => USERS_PATH && is_writable(USERS_PATH),
 		'favicons' => is_writable(DATA_PATH . '/favicons'),
-		'persona' => is_writable(DATA_PATH . '/persona'),
 		'tokens' => is_writable(DATA_PATH . '/tokens'),
 	);
 }
@@ -430,12 +529,15 @@ function array_remove(&$array, $value) {
 	$array = array_diff($array, array($value));
 }
 
+//RFC 4648
+function base64url_encode($data) {
+	return strtr(rtrim(base64_encode($data), '='), '+/', '-_');
+}
+//RFC 4648
+function base64url_decode($data) {
+	return base64_decode(strtr($data, '-_', '+/'));
+}
 
-/**
- * Sanitize a URL by removing HTTP credentials.
- * @param $url the URL to sanitize.
- * @return the same URL without HTTP credentials.
- */
-function url_remove_credentials($url) {
-	return preg_replace('/[^\/]*:[^:]*@/', '', $url);
+function _i($icon, $url_only = false) {
+	return FreshRSS_Themes::icon($icon, $url_only);
 }