diff options
Diffstat (limited to 'lib/SimplePie/SimplePie.php')
| -rw-r--r-- | lib/SimplePie/SimplePie.php | 243 |
1 files changed, 160 insertions, 83 deletions
diff --git a/lib/SimplePie/SimplePie.php b/lib/SimplePie/SimplePie.php index ec3ef1c77..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) 2004-2016, 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 2004-2016 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 @@ -642,6 +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() */ @@ -860,6 +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 * @@ -1387,7 +1416,6 @@ class SimplePie return $this->data['mtime']; } elseif ($fetched === false) { - $this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__)); return false; } @@ -1398,6 +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 $encodings = array(); @@ -1440,7 +1475,7 @@ class SimplePie // Text MIME-type default elseif (substr($sniffed, 0, 5) === 'text/') { - $encodings[] = 'US-ASCII'; + $encodings[] = 'UTF-8'; } } @@ -1500,12 +1535,20 @@ class SimplePie else { $this->error = 'The data could not be converted to UTF-8.'; - if (!extension_loaded('mbstring') && !extension_loaded('iconv')) { - $this->error .= ' You MUST have either the iconv or mbstring extension installed.'; - } elseif (!extension_loaded('mbstring')) { - $this->error .= ' Try installing the mbstring extension.'; - } elseif (!extension_loaded('iconv')) { - $this->error .= ' Try installing the iconv extension.'; + 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 ', $missingExtensions) . ' extension.'; } } @@ -1896,14 +1939,19 @@ class SimplePie { if ($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('&', '&', + $this->sanitize($this->permanent_url, + SIMPLEPIE_CONSTRUCT_IRI)); } } else { if ($this->feed_url !== null) { - return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI); + return str_replace('&', '&', + $this->sanitize($this->feed_url, + SIMPLEPIE_CONSTRUCT_IRI)); } } return null; @@ -2565,6 +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; @@ -3002,96 +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); } } @@ -3226,4 +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'; + } + } + } } |
