Merge branch 'master' into hotfixes

32 files changed, 322 insertions, 148 deletions

diff --git a/lib/SimplePie/SimplePie.php b/lib/SimplePie/SimplePie.php
index b33c635f1..06c100f59 100644
--- a/lib/SimplePie/SimplePie.php
+++ b/lib/SimplePie/SimplePie.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev-FreshRSS
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
@@ -50,7 +50,7 @@ define('SIMPLEPIE_NAME', 'SimplePie');
 /**
  * SimplePie Version
  */
-define('SIMPLEPIE_VERSION', '1.3.1');
+define('SIMPLEPIE_VERSION', '1.4-dev-FreshRSS');
 
 /**
  * SimplePie Build
@@ -446,6 +446,13 @@ class SimplePie
 	public $feed_url;
 
 	/**
+	 * @var string Original feed URL, or new feed URL iff HTTP 301 Moved Permanently
+	 * @see SimplePie::subscribe_url()
+	 * @access private
+	 */
+	public $permanent_url = null;	//FreshRSS
+
+	/**
 	 * @var object Instance of SimplePie_File to use as a feed
 	 * @see SimplePie::set_file()
 	 * @access private
@@ -602,6 +609,13 @@ class SimplePie
 	public $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
 
 	/**
+	 * @var array Stores the default attributes to add to different tags by add_attributes().
+	 * @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
+
+	/**
 	 * @var array Stores the default tags to be stripped by strip_htmltags().
 	 * @see SimplePie::strip_htmltags()
 	 * @access private
@@ -637,7 +651,7 @@ class SimplePie
 		if (func_num_args() > 0)
 		{
 			$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
-			trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_location() directly.', $level);
+			trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_duration() directly.', $level);
 
 			$args = func_get_args();
 			switch (count($args)) {
@@ -728,6 +742,7 @@ class SimplePie
 		else
 		{
 			$this->feed_url = $this->registry->call('Misc', 'fix_protocol', array($url, 1));
+			$this->permanent_url = $this->feed_url;	//FreshRSS
 		}
 	}
 
@@ -742,6 +757,7 @@ class SimplePie
 		if ($file instanceof SimplePie_File)
 		{
 			$this->feed_url = $file->url;
+			$this->permanent_url = $this->feed_url;	//FreshRSS
 			$this->file =& $file;
 			return true;
 		}
@@ -1073,6 +1089,7 @@ class SimplePie
 			$this->strip_comments(false);
 			$this->strip_htmltags(false);
 			$this->strip_attributes(false);
+			$this->add_attributes(false);
 			$this->set_image_handler(false);
 		}
 	}
@@ -1119,6 +1136,15 @@ class SimplePie
 		$this->sanitize->strip_attributes($attribs);
 	}
 
+	public function add_attributes($attribs = '')
+	{
+		if ($attribs === '')
+		{
+			$attribs = $this->add_attributes;
+		}
+		$this->sanitize->add_attributes($attribs);
+	}
+
 	/**
 	 * Set the output encoding
 	 *
@@ -1196,13 +1222,27 @@ class SimplePie
 	}
 
 	/**
+	 * Enable throwing exceptions
+	 *
+	 * @param boolean $enable Should we throw exceptions, or use the old-style error property?
+	 */
+	public function enable_exceptions($enable = true)
+	{
+		$this->enable_exceptions = $enable;
+	}
+
+	function cleanMd5($rss) {	//FreshRSS
+		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
 	 * configuration options get processed, feeds are fetched, cached, and
 	 * parsed, and all of that other good stuff.
 	 *
-	 * @return boolean True if successful, false otherwise
+	 * @return positive integer with modification time if using cache, boolean true if otherwise successful, false otherwise
 	 */
 	public function init()
 	{
@@ -1281,13 +1321,17 @@ class SimplePie
 			// Fetch the data via SimplePie_File into $this->raw_data
 			if (($fetched = $this->fetch_data($cache)) === true)
 			{
-				return true;
+				return $this->data['mtime'];	//FreshRSS
 			}
 			elseif ($fetched === false) {
 				return false;
 			}
 
 			list($headers, $sniffed) = $fetched;
+
+			if (isset($this->data['md5'])) {	//FreshRSS
+				$md5 = $this->data['md5'];
+			}
 		}
 
 		// Set up array of possible encodings
@@ -1296,7 +1340,7 @@ class SimplePie
 		// First check to see if input has been overridden.
 		if ($this->input_encoding !== false)
 		{
-			$encodings[] = $this->input_encoding;
+			$encodings[] = strtoupper($this->input_encoding);
 		}
 
 		$application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity');
@@ -1311,14 +1355,20 @@ class SimplePie
 				{
 					$encodings[] = strtoupper($charset[1]);
 				}
-				$encodings = array_merge($encodings, $this->registry->call('Misc', 'xml_encoding', array($this->raw_data, &$this->registry)));
-				$encodings[] = 'UTF-8';
+				else
+				{
+					$encodings[] = '';	//FreshRSS: Let the DOM parser decide first
+				}
 			}
 			elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml')
 			{
 				if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
 				{
-					$encodings[] = $charset[1];
+					$encodings[] = strtoupper($charset[1]);
+				}
+				else
+				{
+					$encodings[] = '';	//FreshRSS: Let the DOM parser decide first
 				}
 				$encodings[] = 'US-ASCII';
 			}
@@ -1341,13 +1391,14 @@ class SimplePie
 		foreach ($encodings as $encoding)
 		{
 			// Change the encoding to UTF-8 (as we always use UTF-8 internally)
-			if ($utf8_data = $this->registry->call('Misc', 'change_encoding', array($this->raw_data, $encoding, 'UTF-8')))
+			if ($utf8_data = (empty($encoding) || $encoding === 'UTF-8') ? $this->raw_data :	//FreshRSS
+				$this->registry->call('Misc', 'change_encoding', array($this->raw_data, $encoding, 'UTF-8')))
 			{
 				// Create new parser
 				$parser = $this->registry->create('Parser');
 
 				// If it's parsed fine
-				if ($parser->parse($utf8_data, 'UTF-8'))
+				if ($parser->parse($utf8_data, empty($encoding) ? '' : 'UTF-8'))	//FreshRSS
 				{
 					$this->data = $parser->get_data();
 					if (!($this->get_type() & ~SIMPLEPIE_TYPE_NONE))
@@ -1362,6 +1413,8 @@ 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
 
 					// Cache the file if caching is enabled
 					if ($cache && !$cache->save($this))
@@ -1437,7 +1490,7 @@ class SimplePie
 				elseif ($cache->mtime() + $this->cache_duration < time())
 				{
 					// If we have last-modified and/or etag set
-					if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))
+					//if (isset($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',
@@ -1451,7 +1504,7 @@ class SimplePie
 							$headers['if-none-match'] = $this->data['headers']['etag'];
 						}
 
-						$file = $this->registry->create('File', array($this->feed_url, $this->timeout/10, 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));	//FreshRSS
 
 						if ($file->success)
 						{
@@ -1463,7 +1516,20 @@ class SimplePie
 						}
 						else
 						{
-							unset($file);
+							$this->error = $file->error;	//FreshRSS
+							return !empty($this->data);	//FreshRSS
+							//unset($file);	//FreshRSS removed
+						}
+					}
+					{	//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'] = $md5;
 						}
 					}
 				}
@@ -1531,6 +1597,8 @@ class SimplePie
 				if ($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) : $md5;	//FreshRSS
 					if (!$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);
@@ -1543,7 +1611,7 @@ class SimplePie
 		}
 
 		$this->raw_data = $file->body;
-
+		$this->permanent_url = $file->permanent_url;	//FreshRSS
 		$headers = $file->headers;
 		$sniffer = $this->registry->create('Content_Type_Sniffer', array(&$file));
 		$sniffed = $sniffer->get_type();
@@ -1729,26 +1797,39 @@ class SimplePie
 
 	/**
 	 * Get the URL for the feed
+	 * 
+	 * When the 'permanent' mode is enabled, returns the original feed URL,
+	 * except in the case of an `HTTP 301 Moved Permanently` status response,
+	 * in which case the location of the first redirection is returned.
 	 *
-	 * May or may not be different from the URL passed to {@see set_feed_url()},
+	 * When the 'permanent' mode is disabled (default),
+	 * may or may not be different from the URL passed to {@see set_feed_url()},
 	 * depending on whether auto-discovery was used.
 	 *
 	 * @since Preview Release (previously called `get_feed_url()` since SimplePie 0.8.)
-	 * @todo If we have a perm redirect we should return the new URL
-	 * @todo When we make the above change, let's support <itunes:new-feed-url> as well
+	 * @todo Support <itunes:new-feed-url>
 	 * @todo Also, |atom:link|@rel=self
+	 * @param bool $permanent Permanent mode to return only the original URL or the first redirection
+	 *  iff it is a 301 redirection
 	 * @return string|null
 	 */
-	public function subscribe_url()
+	public function subscribe_url($permanent = false)
 	{
-		if ($this->feed_url !== null)
+		if ($permanent)	//FreshRSS
 		{
-			return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI);
+			if ($this->permanent_url !== null)
+			{
+				return $this->sanitize($this->permanent_url, SIMPLEPIE_CONSTRUCT_IRI);
+			}
 		}
 		else
 		{
-			return null;
+			if ($this->feed_url !== null)
+			{
+				return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI);
+			}
 		}
+		return null;
 	}
 
 	/**
@@ -1963,7 +2044,21 @@ class SimplePie
 	 */
 	public function sanitize($data, $type, $base = '')
 	{
-		return $this->sanitize->sanitize($data, $type, $base);
+		try
+		{
+			return $this->sanitize->sanitize($data, $type, $base);
+		}
+		catch (SimplePie_Exception $e)
+		{
+			if (!$this->enable_exceptions)
+			{
+				$this->error = $e->getMessage();
+				$this->registry->call('Misc', 'error', array($this->error, E_USER_WARNING, $e->getFile(), $e->getLine()));
+				return '';
+			}
+
+			throw $e;
+		}
 	}
 
 	/**
diff --git a/lib/SimplePie/SimplePie/Author.php b/lib/SimplePie/SimplePie/Author.php
index bbf3812ff..19563c5cc 100644
--- a/lib/SimplePie/SimplePie/Author.php
+++ b/lib/SimplePie/SimplePie/Author.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Cache.php b/lib/SimplePie/SimplePie/Cache.php
index 75586d749..86b618693 100644
--- a/lib/SimplePie/SimplePie/Cache.php
+++ b/lib/SimplePie/SimplePie/Cache.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Cache/Base.php b/lib/SimplePie/SimplePie/Cache/Base.php
index 937e34631..d3f353961 100644
--- a/lib/SimplePie/SimplePie/Cache/Base.php
+++ b/lib/SimplePie/SimplePie/Cache/Base.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Cache/DB.php b/lib/SimplePie/SimplePie/Cache/DB.php
index ac509ae08..d728a9a6d 100644
--- a/lib/SimplePie/SimplePie/Cache/DB.php
+++ b/lib/SimplePie/SimplePie/Cache/DB.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Cache/File.php b/lib/SimplePie/SimplePie/Cache/File.php
index 5797b3aed..3b163545b 100644
--- a/lib/SimplePie/SimplePie/Cache/File.php
+++ b/lib/SimplePie/SimplePie/Cache/File.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Cache/Memcache.php b/lib/SimplePie/SimplePie/Cache/Memcache.php
index fd4478060..23b1c9367 100644
--- a/lib/SimplePie/SimplePie/Cache/Memcache.php
+++ b/lib/SimplePie/SimplePie/Cache/Memcache.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
@@ -95,10 +95,8 @@ class SimplePie_Cache_Memcache implements SimplePie_Cache_Base
 				'prefix' => 'simplepie_',
 			),
 		);
-		$parsed = SimplePie_Cache::parse_URL($location);
-		$this->options['host'] = empty($parsed['host']) ? $this->options['host'] : $parsed['host'];
-		$this->options['port'] = empty($parsed['port']) ? $this->options['port'] : $parsed['port'];
-		$this->options['extras'] = array_merge($this->options['extras'], $parsed['extras']);
+		$this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));
+
 		$this->name = $this->options['extras']['prefix'] . md5("$name:$type");
 
 		$this->cache = new Memcache();
@@ -147,7 +145,7 @@ class SimplePie_Cache_Memcache implements SimplePie_Cache_Base
 
 		if ($data !== false)
 		{
-			// essentially ignore the mtime because Memcache expires on it's own
+			// essentially ignore the mtime because Memcache expires on its own
 			return time();
 		}
 
@@ -165,7 +163,7 @@ class SimplePie_Cache_Memcache implements SimplePie_Cache_Base
 
 		if ($data !== false)
 		{
-			return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->duration);
+			return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']);
 		}
 
 		return false;
diff --git a/lib/SimplePie/SimplePie/Cache/MySQL.php b/lib/SimplePie/SimplePie/Cache/MySQL.php
index d53ebc117..511ef6d3a 100644
--- a/lib/SimplePie/SimplePie/Cache/MySQL.php
+++ b/lib/SimplePie/SimplePie/Cache/MySQL.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
@@ -96,7 +96,8 @@ class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
 				'prefix' => '',
 			),
 		);
-		$this->options = array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));
+		
+		$this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));
 
 		// Path is prefixed with a "/"
 		$this->options['dbname'] = substr($this->options['path'], 1);
@@ -136,7 +137,7 @@ class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
 
 		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` TEXT CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
+			$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` MEDIUMBLOB CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
 			if ($query === false)
 			{
 				$this->mysql = null;
diff --git a/lib/SimplePie/SimplePie/Caption.php b/lib/SimplePie/SimplePie/Caption.php
index 52922c5d9..a77b02ef1 100644
--- a/lib/SimplePie/SimplePie/Caption.php
+++ b/lib/SimplePie/SimplePie/Caption.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Category.php b/lib/SimplePie/SimplePie/Category.php
index ad0407b4e..c6a273989 100644
--- a/lib/SimplePie/SimplePie/Category.php
+++ b/lib/SimplePie/SimplePie/Category.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Content/Type/Sniffer.php b/lib/SimplePie/SimplePie/Content/Type/Sniffer.php
index 20d053dca..a32f47f59 100644
--- a/lib/SimplePie/SimplePie/Content/Type/Sniffer.php
+++ b/lib/SimplePie/SimplePie/Content/Type/Sniffer.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Copyright.php b/lib/SimplePie/SimplePie/Copyright.php
index 57c535a64..09f22f8df 100644
--- a/lib/SimplePie/SimplePie/Copyright.php
+++ b/lib/SimplePie/SimplePie/Copyright.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Core.php b/lib/SimplePie/SimplePie/Core.php
index 46d996628..7cf34876f 100644
--- a/lib/SimplePie/SimplePie/Core.php
+++ b/lib/SimplePie/SimplePie/Core.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Credit.php b/lib/SimplePie/SimplePie/Credit.php
index d3a3442ad..50aef1c68 100644
--- a/lib/SimplePie/SimplePie/Credit.php
+++ b/lib/SimplePie/SimplePie/Credit.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Decode/HTML/Entities.php b/lib/SimplePie/SimplePie/Decode/HTML/Entities.php
index 069e8d8e5..cde06c884 100644
--- a/lib/SimplePie/SimplePie/Decode/HTML/Entities.php
+++ b/lib/SimplePie/SimplePie/Decode/HTML/Entities.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Enclosure.php b/lib/SimplePie/SimplePie/Enclosure.php
index 55674379c..fa0217800 100644
--- a/lib/SimplePie/SimplePie/Enclosure.php
+++ b/lib/SimplePie/SimplePie/Enclosure.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
@@ -942,7 +942,7 @@ class SimplePie_Enclosure
 	 * - `height` (integer): The height of the embedded media. Accepts any
 	 *    numeric pixel value (such as `360`) or `auto`. Defaults to `auto`,
 	 *    and it is recommended that you use this default.
-	 * - `loop` (boolean): Do you want the media to loop when its done?
+	 * - `loop` (boolean): Do you want the media to loop when it's done?
 	 *    Defaults to `false`.
 	 * - `mediaplayer` (string): The location of the included
 	 *    `mediaplayer.swf` file. This allows for the playback of Flash Video
diff --git a/lib/SimplePie/SimplePie/File.php b/lib/SimplePie/SimplePie/File.php
index 063ad955e..b1bbe4420 100644
--- a/lib/SimplePie/SimplePie/File.php
+++ b/lib/SimplePie/SimplePie/File.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
@@ -64,6 +64,7 @@ class SimplePie_File
 	var $redirects = 0;
 	var $error;
 	var $method = SIMPLEPIE_FILE_SOURCE_NONE;
+	var $permanent_url;	//FreshRSS
 
 	public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
 	{
@@ -74,9 +75,11 @@ 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->useragent = $useragent;
 		if (preg_match('/^http(s)?:\/\//i', $url))
 		{
+			syslog(LOG_INFO, 'SimplePie GET ' . $url);	//FreshRSS
 			if ($useragent === null)
 			{
 				$useragent = ini_get('user_agent');
@@ -107,7 +110,7 @@ class SimplePie_File
 				curl_setopt($fp, CURLOPT_REFERER, $url);
 				curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
 				curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
-				curl_setopt($fp, CURLOPT_SSL_VERIFYPEER, false);
+				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);
@@ -141,7 +144,10 @@ class SimplePie_File
 						{
 							$this->redirects++;
 							$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
-							return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
+							$previousStatusCode = $this->status_code;
+							$this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
+							$this->permanent_url = ($previousStatusCode == 301) ? $location : $url;	//FreshRSS
+							return;
 						}
 					}
 				}
@@ -223,7 +229,10 @@ class SimplePie_File
 							{
 								$this->redirects++;
 								$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
-								return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
+								$previousStatusCode = $this->status_code;
+								$this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
+								$this->permanent_url = ($previousStatusCode == 301) ? $location : $url;	//FreshRSS
+								return;
 							}
 							if (isset($this->headers['content-encoding']))
 							{
@@ -283,7 +292,7 @@ class SimplePie_File
 		else
 		{
 			$this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS;
-			if (!$this->body = file_get_contents($url))
+			if (empty($url) || !($this->body = file_get_contents($url)))
 			{
 				$this->error = 'file_get_contents could not read the file';
 				$this->success = false;
diff --git a/lib/SimplePie/SimplePie/HTTP/Parser.php b/lib/SimplePie/SimplePie/HTTP/Parser.php
index bff2222b2..2fc3a6779 100644
--- a/lib/SimplePie/SimplePie/HTTP/Parser.php
+++ b/lib/SimplePie/SimplePie/HTTP/Parser.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/IRI.php b/lib/SimplePie/SimplePie/IRI.php
index d3198c04f..ed0574701 100644
--- a/lib/SimplePie/SimplePie/IRI.php
+++ b/lib/SimplePie/SimplePie/IRI.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Item.php b/lib/SimplePie/SimplePie/Item.php
index a77574b37..7bd96c15f 100644
--- a/lib/SimplePie/SimplePie/Item.php
+++ b/lib/SimplePie/SimplePie/Item.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
@@ -821,7 +821,7 @@ class SimplePie_Item
 			if (!empty($this->data['updated']['raw']))
 			{
 				$parser = $this->registry->call('Parse_Date', 'get');
-				$this->data['updated']['parsed'] = $parser->parse($this->data['date']['raw']);
+				$this->data['updated']['parsed'] = $parser->parse($this->data['updated']['raw']);
 			}
 			else
 			{
@@ -1080,7 +1080,7 @@ 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 it's value is empty, we should fall back to the value from the parent (if it exists).
+	 * @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
 	 */
 	public function get_enclosures()
diff --git a/lib/SimplePie/SimplePie/Locator.php b/lib/SimplePie/SimplePie/Locator.php
index 57e910c22..90ee7a302 100644
--- a/lib/SimplePie/SimplePie/Locator.php
+++ b/lib/SimplePie/SimplePie/Locator.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
@@ -277,7 +277,7 @@ class SimplePie_Locator
 				$parsed = $this->registry->call('Misc', 'parse_url', array($href));
 				if ($parsed['scheme'] === '' || preg_match('/^(http(s)|feed)?$/i', $parsed['scheme']))
 				{
-					if ($this->base_location < $link->getLineNo())
+					if (method_exists($link, 'getLineNo') && $this->base_location < $link->getLineNo())
 					{
 						$href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->base));
 					}
diff --git a/lib/SimplePie/SimplePie/Misc.php b/lib/SimplePie/SimplePie/Misc.php
index 621f2c062..5a263a2e5 100644
--- a/lib/SimplePie/SimplePie/Misc.php
+++ b/lib/SimplePie/SimplePie/Misc.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
@@ -79,6 +79,10 @@ 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;
+		}
 		$iri = SimplePie_IRI::absolutize(new SimplePie_IRI($base), $relative);
 		if ($iri === false)
 		{
@@ -124,7 +128,7 @@ 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');
+						$return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j]), 'UTF-8');	//FreshRSS
 					}
 				}
 			}
@@ -138,7 +142,7 @@ class SimplePie_Misc
 		foreach ($element['attribs'] as $key => $value)
 		{
 			$key = strtolower($key);
-			$full .= " $key=\"" . htmlspecialchars($value['data'], ENT_COMPAT, 'UTF-8') . '"';
+			$full .= " $key=\"" . htmlspecialchars($value['data'], ENT_COMPAT, 'UTF-8') . '"';	//FreshRSS
 		}
 		if ($element['self_closing'])
 		{
@@ -224,6 +228,23 @@ class SimplePie_Misc
 		}
 	}
 
+	public static function array_merge_recursive($array1, $array2)
+	{
+		foreach ($array2 as $key => $value)
+		{
+			if (is_array($value))
+			{
+				$array1[$key] = SimplePie_Misc::array_merge_recursive($array1[$key], $value);
+			}
+			else
+			{
+				$array1[$key] = $value;
+			}            
+		}
+		
+		return $array1;
+	}
+
 	public static function parse_url($url)
 	{
 		$iri = new SimplePie_IRI($url);
@@ -2157,36 +2178,12 @@ function embed_wmedia(width, height, link) {
 	/**
 	 * Get the SimplePie build timestamp
 	 *
-	 * Uses the git index if it exists, otherwise uses the modification time
-	 * of the newest file.
+	 * Return SimplePie.php modification time.
 	 */
 	public static function get_build()
 	{
-		$root = dirname(dirname(__FILE__));
-		if (file_exists($root . '/.git/index'))
-		{
-			return filemtime($root . '/.git/index');
-		}
-		elseif (file_exists($root . '/SimplePie'))
-		{
-			$time = 0;
-			foreach (glob($root . '/SimplePie/*.php') as $file)
-			{
-				if (($mtime = filemtime($file)) > $time)
-				{
-					$time = $mtime;
-				}
-			}
-			return $time;
-		}
-		elseif (file_exists(dirname(__FILE__) . '/Core.php'))
-		{
-			return filemtime(dirname(__FILE__) . '/Core.php');
-		}
-		else
-		{
-			return filemtime(__FILE__);
-		}
+		$mtime = @filemtime(dirname(dirname(__FILE__)) . '/SimplePie.php');	//FreshRSS
+		return $mtime ? $mtime : filemtime(__FILE__);
 	}
 
 	/**
diff --git a/lib/SimplePie/SimplePie/Net/IPv6.php b/lib/SimplePie/SimplePie/Net/IPv6.php
index da80d8aca..2ff1afc90 100644
--- a/lib/SimplePie/SimplePie/Net/IPv6.php
+++ b/lib/SimplePie/SimplePie/Net/IPv6.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Parse/Date.php b/lib/SimplePie/SimplePie/Parse/Date.php
index d51f500d3..ef800f125 100644
--- a/lib/SimplePie/SimplePie/Parse/Date.php
+++ b/lib/SimplePie/SimplePie/Parse/Date.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Parser.php b/lib/SimplePie/SimplePie/Parser.php
index d698552ca..7fb7bd9be 100644
--- a/lib/SimplePie/SimplePie/Parser.php
+++ b/lib/SimplePie/SimplePie/Parser.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
@@ -77,55 +77,86 @@ class SimplePie_Parser
 
 	public function parse(&$data, $encoding)
 	{
-		// Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character
-		if (strtoupper($encoding) === 'US-ASCII')
-		{
-			$this->encoding = 'UTF-8';
-		}
-		else
-		{
-			$this->encoding = $encoding;
-		}
+		$xmlEncoding = '';
 
-		// Strip BOM:
-		// UTF-32 Big Endian BOM
-		if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
-		{
-			$data = substr($data, 4);
-		}
-		// UTF-32 Little Endian BOM
-		elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
-		{
-			$data = substr($data, 4);
-		}
-		// UTF-16 Big Endian BOM
-		elseif (substr($data, 0, 2) === "\xFE\xFF")
-		{
-			$data = substr($data, 2);
-		}
-		// UTF-16 Little Endian BOM
-		elseif (substr($data, 0, 2) === "\xFF\xFE")
+		if (!empty($encoding))
 		{
-			$data = substr($data, 2);
-		}
-		// UTF-8 BOM
-		elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
-		{
-			$data = substr($data, 3);
+			// Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character
+			if (strtoupper($encoding) === 'US-ASCII')
+			{
+				$this->encoding = 'UTF-8';
+			}
+			else
+			{
+				$this->encoding = $encoding;
+			}
+
+			// Strip BOM:
+			// UTF-32 Big Endian BOM
+			if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
+			{
+				$data = substr($data, 4);
+			}
+			// UTF-32 Little Endian BOM
+			elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
+			{
+				$data = substr($data, 4);
+			}
+			// UTF-16 Big Endian BOM
+			elseif (substr($data, 0, 2) === "\xFE\xFF")
+			{
+				$data = substr($data, 2);
+			}
+			// UTF-16 Little Endian BOM
+			elseif (substr($data, 0, 2) === "\xFF\xFE")
+			{
+				$data = substr($data, 2);
+			}
+			// UTF-8 BOM
+			elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
+			{
+				$data = substr($data, 3);
+			}
+
+			if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false)
+			{
+				$declaration = $this->registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5)));
+				if ($declaration->parse())
+				{
+					$xmlEncoding = strtoupper($declaration->encoding);	//FreshRSS
+					$data = substr($data, $pos + 2);
+					$data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data;
+				}
+				else
+				{
+					$this->error_string = 'SimplePie bug! Please report this!';
+					return false;
+				}
+			}
 		}
 
-		if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false)
+		if ($xmlEncoding === '' || $xmlEncoding === 'UTF-8')	//FreshRSS: case of no explicit HTTP encoding, and lax UTF-8
 		{
-			$declaration = $this->registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5)));
-			if ($declaration->parse())
+			try
 			{
-				$data = substr($data, $pos + 2);
-				$data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data;
+				$dom = new DOMDocument();
+				$dom->recover = true;
+				$dom->strictErrorChecking = false;
+				@$dom->loadXML($data);
+				$this->encoding = $encoding = $dom->encoding = 'UTF-8';
+				$data2 = $dom->saveXML();
+				if (function_exists('mb_convert_encoding'))
+				{
+					$data2 = mb_convert_encoding($data2, 'UTF-8', 'UTF-8');
+				}
+				if (strlen($data2) > (strlen($data) / 2.0))
+				{
+					$data = $data2;
+				}
+				unset($data2);
 			}
-			else
+			catch (Exception $e)
 			{
-				$this->error_string = 'SimplePie bug! Please report this!';
-				return false;
 			}
 		}
 
diff --git a/lib/SimplePie/SimplePie/Rating.php b/lib/SimplePie/SimplePie/Rating.php
index 8689e5dfb..b5fe80516 100644
--- a/lib/SimplePie/SimplePie/Rating.php
+++ b/lib/SimplePie/SimplePie/Rating.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Registry.php b/lib/SimplePie/SimplePie/Registry.php
index 1072cdebb..bd9c1f535 100755
--- a/lib/SimplePie/SimplePie/Registry.php
+++ b/lib/SimplePie/SimplePie/Registry.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Restriction.php b/lib/SimplePie/SimplePie/Restriction.php
index 4ba371bfb..a1d59916d 100644
--- a/lib/SimplePie/SimplePie/Restriction.php
+++ b/lib/SimplePie/SimplePie/Restriction.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/Sanitize.php b/lib/SimplePie/SimplePie/Sanitize.php
index 83a274ced..168a5e2e8 100644
--- a/lib/SimplePie/SimplePie/Sanitize.php
+++ b/lib/SimplePie/SimplePie/Sanitize.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
@@ -62,6 +62,7 @@ class SimplePie_Sanitize
 	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_comments = false;
 	var $output_encoding = 'UTF-8';
 	var $enable_cache = true;
@@ -179,6 +180,25 @@ class SimplePie_Sanitize
 		}
 	}
 
+	public function add_attributes($attribs = array('audio' => array('preload' => 'none'), 'iframe' => array('sandbox' => 'allow-scripts allow-same-origin'), 'video' => array('preload' => 'none')))
+	{
+		if ($attribs)
+		{
+			if (is_array($attribs))
+			{
+				$this->add_attributes = $attribs;
+			}
+			else
+			{
+				$this->add_attributes = explode(',', $attribs);
+			}
+		}
+		else
+		{
+			$this->add_attributes = false;
+		}
+	}
+
 	public function strip_comments($strip = false)
 	{
 		$this->strip_comments = (bool) $strip;
@@ -247,6 +267,10 @@ class SimplePie_Sanitize
 			if ($type & (SIMPLEPIE_CONSTRUCT_HTML | SIMPLEPIE_CONSTRUCT_XHTML))
 			{
 
+				if (!class_exists('DOMDocument'))
+				{
+					throw new SimplePie_Exception('DOMDocument not found, unable to use sanitizer');
+				}
 				$document = new DOMDocument();
 				$document->encoding = 'UTF-8';
 				$data = $this->preprocess($data, $type);
@@ -255,10 +279,11 @@ class SimplePie_Sanitize
 				$document->loadHTML($data);
 				restore_error_handler();
 
+				$xpath = new DOMXPath($document);	//FreshRSS
+
 				// Strip comments
 				if ($this->strip_comments)
 				{
-					$xpath = new DOMXPath($document);
 					$comments = $xpath->query('//comment()');
 
 					foreach ($comments as $comment)
@@ -274,7 +299,7 @@ class SimplePie_Sanitize
 				{
 					foreach ($this->strip_htmltags as $tag)
 					{
-						$this->strip_tag($tag, $document, $type);
+						$this->strip_tag($tag, $document, $xpath, $type);
 					}
 				}
 
@@ -282,7 +307,15 @@ class SimplePie_Sanitize
 				{
 					foreach ($this->strip_attributes as $attrib)
 					{
-						$this->strip_attr($attrib, $document);
+						$this->strip_attr($attrib, $xpath);
+					}
+				}
+
+				if ($this->add_attributes)
+				{
+					foreach ($this->add_attributes as $tag => $valuePairs)
+					{
+						$this->add_attr($tag, $valuePairs, $document);
 					}
 				}
 
@@ -310,7 +343,7 @@ class SimplePie_Sanitize
 							}
 							else
 							{
-								$file = $this->registry->create('File', array($img['attribs']['src']['data'], $this->timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent, $this->force_fsockopen));
+								$file = $this->registry->create('File', array($img->getAttribute('src'), $this->timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent, $this->force_fsockopen));
 								$headers = $file->headers;
 
 								if ($file->success && ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
@@ -452,9 +485,8 @@ class SimplePie_Sanitize
 		}
 	}
 
-	protected function strip_tag($tag, $document, $type)
+	protected function strip_tag($tag, $document, $xpath, $type)
 	{
-		$xpath = new DOMXPath($document);
 		$elements = $xpath->query('body//' . $tag);
 		if ($this->encode_instead_of_strip)
 		{
@@ -537,9 +569,8 @@ class SimplePie_Sanitize
 		}
 	}
 
-	protected function strip_attr($attrib, $document)
+	protected function strip_attr($attrib, $xpath)
 	{
-		$xpath = new DOMXPath($document);
 		$elements = $xpath->query('//*[@' . $attrib . ']');
 
 		foreach ($elements as $element)
@@ -547,4 +578,16 @@ class SimplePie_Sanitize
 			$element->removeAttribute($attrib);
 		}
 	}
+
+	protected function add_attr($tag, $valuePairs, $document)
+	{
+		$elements = $document->getElementsByTagName($tag);
+		foreach ($elements as $element)
+		{
+			foreach ($valuePairs as $attrib => $value)
+			{
+				$element->setAttribute($attrib, $value);
+			}
+		}
+	}
 }
diff --git a/lib/SimplePie/SimplePie/Source.php b/lib/SimplePie/SimplePie/Source.php
index 51d8e6c25..2613798fd 100644
--- a/lib/SimplePie/SimplePie/Source.php
+++ b/lib/SimplePie/SimplePie/Source.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/XML/Declaration/Parser.php b/lib/SimplePie/SimplePie/XML/Declaration/Parser.php
index aec19f10a..589e452a2 100644
--- a/lib/SimplePie/SimplePie/XML/Declaration/Parser.php
+++ b/lib/SimplePie/SimplePie/XML/Declaration/Parser.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
diff --git a/lib/SimplePie/SimplePie/gzdecode.php b/lib/SimplePie/SimplePie/gzdecode.php
index 52e024ea9..6e65f0811 100644
--- a/lib/SimplePie/SimplePie/gzdecode.php
+++ b/lib/SimplePie/SimplePie/gzdecode.php
@@ -33,7 +33,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.3.1
+ * @version 1.4-dev
  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon