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-rw-r--r--lib/SimplePie/SimplePie.php315
1 files changed, 204 insertions, 111 deletions
diff --git a/lib/SimplePie/SimplePie.php b/lib/SimplePie/SimplePie.php
index 0f2fdbb87..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
@@ -510,6 +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
@@ -615,6 +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
@@ -626,7 +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().
@@ -636,6 +650,12 @@ 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()
*/
@@ -657,9 +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();
}
@@ -814,7 +834,7 @@ class SimplePie
{
$this->timeout = (int) $timeout;
}
-
+
/**
* Set custom curl options
*
@@ -854,6 +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
*
@@ -1169,7 +1204,7 @@ class SimplePie
$this->sanitize->strip_attributes($attribs);
}
- public function add_attributes($attribs = '') //FreshRSS
+ public function add_attributes($attribs = '')
{
if ($attribs === '')
{
@@ -1191,11 +1226,11 @@ class SimplePie
*
* 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.
@@ -1293,7 +1328,7 @@ class SimplePie
/**
* 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.
*
@@ -1361,6 +1396,7 @@ class SimplePie
$this->error = null;
$this->data = array();
+ $this->check_modified = false;
$this->multifeed_objects = array();
$cache = false;
@@ -1390,6 +1426,13 @@ class SimplePie
$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
$encodings = array();
@@ -1432,7 +1475,7 @@ class SimplePie
// Text MIME-type default
elseif (substr($sniffed, 0, 5) === 'text/')
{
- $encodings[] = 'US-ASCII';
+ $encodings[] = 'UTF-8';
}
}
@@ -1486,11 +1529,27 @@ class SimplePie
if (isset($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, encoding %s, URL: %s', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column(), $encoding, $this->feed_url);
+ $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__));
@@ -1563,7 +1622,7 @@ class SimplePie
$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, $this->curl_options));
+ $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)
{
@@ -1575,6 +1634,7 @@ class SimplePie
}
else
{
+ $this->check_modified = false;
$cache->touch();
$this->error = $file->error;
return !empty($this->data);
@@ -1616,7 +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, $this->curl_options));
+ $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
@@ -1669,7 +1729,7 @@ class SimplePie
$locate = null;
}
- $file->body = trim($file->body);
+ $file->body = trim($file->body); //FreshRSS
$this->raw_data = $file->body;
$this->permanent_url = $file->permanent_url;
$headers = $file->headers;
@@ -1870,7 +1930,7 @@ 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)
@@ -1879,14 +1939,19 @@ class SimplePie
{
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;
@@ -2169,7 +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)
@@ -2254,7 +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)
@@ -2352,7 +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)
@@ -2438,7 +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
*/
@@ -2548,6 +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;
@@ -2949,7 +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)
@@ -2976,7 +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, $end = 0)
{
@@ -2985,96 +3056,81 @@ class SimplePie
if (!empty($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, $end);
}
}
@@ -3147,7 +3203,19 @@ class SimplePie
*/
public static function sort_items($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;
}
/**
@@ -3180,20 +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)
{
@@ -3210,4 +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';
+ }
+ }
+ }
}
generated by cgit v1.2.3 (git 2.39.1) at 2026-02-10 13:59:40 +0000