diff options
Diffstat (limited to 'vendor/simplepie/simplepie/library/SimplePie/Locator.php')
-rw-r--r-- | vendor/simplepie/simplepie/library/SimplePie/Locator.php | 397 |
1 files changed, 9 insertions, 388 deletions
diff --git a/vendor/simplepie/simplepie/library/SimplePie/Locator.php b/vendor/simplepie/simplepie/library/SimplePie/Locator.php index 12961dd3d..4d1c0fe87 100644 --- a/vendor/simplepie/simplepie/library/SimplePie/Locator.php +++ b/vendor/simplepie/simplepie/library/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) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors + * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are @@ -41,394 +41,15 @@ * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ -/** - * Used for feed auto-discovery - * - * - * This class can be overloaded with {@see SimplePie::set_locator_class()} - * - * @package SimplePie - */ -class SimplePie_Locator -{ - var $useragent; - var $timeout; - var $file; - var $local = array(); - var $elsewhere = array(); - var $cached_entities = array(); - var $http_base; - var $base; - var $base_location = 0; - var $checked_feeds = 0; - var $max_checked_feeds = 10; - var $force_fsockopen = false; - var $curl_options = array(); - var $dom; - protected $registry; - - public function __construct(SimplePie_File $file, $timeout = 10, $useragent = null, $max_checked_feeds = 10, $force_fsockopen = false, $curl_options = array()) - { - $this->file = $file; - $this->useragent = $useragent; - $this->timeout = $timeout; - $this->max_checked_feeds = $max_checked_feeds; - $this->force_fsockopen = $force_fsockopen; - $this->curl_options = $curl_options; - - if (class_exists('DOMDocument') && $this->file->body != '') - { - $this->dom = new DOMDocument(); - - set_error_handler(array('SimplePie_Misc', 'silence_errors')); - try - { - $this->dom->loadHTML($this->file->body); - } - catch (Throwable $ex) - { - $this->dom = null; - } - restore_error_handler(); - } - else - { - $this->dom = null; - } - } - - public function set_registry(SimplePie_Registry $registry) - { - $this->registry = $registry; - } - - public function find($type = SIMPLEPIE_LOCATOR_ALL, &$working = null) - { - if ($this->is_feed($this->file)) - { - return $this->file; - } - - if ($this->file->method & SIMPLEPIE_FILE_SOURCE_REMOTE) - { - $sniffer = $this->registry->create('Content_Type_Sniffer', array($this->file)); - if ($sniffer->get_type() !== 'text/html') - { - return null; - } - } - - if ($type & ~SIMPLEPIE_LOCATOR_NONE) - { - $this->get_base(); - } - - if ($type & SIMPLEPIE_LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery()) - { - return $working[0]; - } - - if ($type & (SIMPLEPIE_LOCATOR_LOCAL_EXTENSION | SIMPLEPIE_LOCATOR_LOCAL_BODY | SIMPLEPIE_LOCATOR_REMOTE_EXTENSION | SIMPLEPIE_LOCATOR_REMOTE_BODY) && $this->get_links()) - { - if ($type & SIMPLEPIE_LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local)) - { - return $working[0]; - } - - if ($type & SIMPLEPIE_LOCATOR_LOCAL_BODY && $working = $this->body($this->local)) - { - return $working[0]; - } - - if ($type & SIMPLEPIE_LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere)) - { - return $working[0]; - } - - if ($type & SIMPLEPIE_LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere)) - { - return $working[0]; - } - } - return null; - } +use SimplePie\Locator; - public function is_feed($file, $check_html = false) - { - if ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE) - { - $sniffer = $this->registry->create('Content_Type_Sniffer', array($file)); - $sniffed = $sniffer->get_type(); - $mime_types = array('application/rss+xml', 'application/rdf+xml', - 'text/rdf', 'application/atom+xml', 'text/xml', - 'application/xml', 'application/x-rss+xml'); - if ($check_html) - { - $mime_types[] = 'text/html'; - } +class_exists('SimplePie\Locator'); - return in_array($sniffed, $mime_types); - } - elseif ($file->method & SIMPLEPIE_FILE_SOURCE_LOCAL) - { - return true; - } - else - { - return false; - } - } +// @trigger_error(sprintf('Using the "SimplePie_Locator" class is deprecated since SimplePie 1.7, use "SimplePie\Locator" instead.'), \E_USER_DEPRECATED); - public function get_base() - { - if ($this->dom === null) - { - throw new SimplePie_Exception('DOMDocument not found, unable to use locator'); - } - $this->http_base = $this->file->url; - $this->base = $this->http_base; - $elements = $this->dom->getElementsByTagName('base'); - foreach ($elements as $element) - { - if ($element->hasAttribute('href')) - { - $base = $this->registry->call('Misc', 'absolutize_url', array(trim($element->getAttribute('href')), $this->http_base)); - if ($base === false) - { - continue; - } - $this->base = $base; - $this->base_location = method_exists($element, 'getLineNo') ? $element->getLineNo() : 0; - break; - } - } - } - - public function autodiscovery() - { - $done = array(); - $feeds = array(); - $feeds = array_merge($feeds, $this->search_elements_by_tag('link', $done, $feeds)); - $feeds = array_merge($feeds, $this->search_elements_by_tag('a', $done, $feeds)); - $feeds = array_merge($feeds, $this->search_elements_by_tag('area', $done, $feeds)); - - if (!empty($feeds)) - { - return array_values($feeds); - } - - return null; - } - - protected function search_elements_by_tag($name, &$done, $feeds) - { - if ($this->dom === null) - { - throw new SimplePie_Exception('DOMDocument not found, unable to use locator'); - } - - $links = $this->dom->getElementsByTagName($name); - foreach ($links as $link) - { - if ($this->checked_feeds === $this->max_checked_feeds) - { - break; - } - if ($link->hasAttribute('href') && $link->hasAttribute('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) - { - $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) - { - 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($link->getAttribute('type')))), array('text/html', 'application/rss+xml', 'application/atom+xml'))) && !isset($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, $this->force_fsockopen, $this->curl_options)); - if ($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; - } - } - $done[] = $href; - } - } - - return $feeds; - } - - public function get_links() - { - if ($this->dom === null) - { - throw new SimplePie_Exception('DOMDocument not found, unable to use locator'); - } - - $links = $this->dom->getElementsByTagName('a'); - foreach ($links as $link) - { - if ($link->hasAttribute('href')) - { - $href = trim($link->getAttribute('href')); - $parsed = $this->registry->call('Misc', 'parse_url', array($href)); - if ($parsed['scheme'] === '' || preg_match('/^(https?|feed)?$/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) - { - continue; - } - - $current = $this->registry->call('Misc', 'parse_url', array($this->file->url)); - - if ($parsed['authority'] === '' || $parsed['authority'] === $current['authority']) - { - $this->local[] = $href; - } - else - { - $this->elsewhere[] = $href; - } - } - } - } - $this->local = array_unique($this->local); - $this->elsewhere = array_unique($this->elsewhere); - if (!empty($this->local) || !empty($this->elsewhere)) - { - return true; - } - 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 => $value) - { - if ($this->checked_feeds === $this->max_checked_feeds) - { - break; - } - if (in_array(strtolower(strrchr($value, '.')), array('.rss', '.rdf', '.atom', '.xml'))) - { - $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 = $this->registry->create('File', array($value, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options)); - if ($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 array($feed); - } - else - { - unset($array[$key]); - } - } - } - return null; - } - - public function body(&$array) - { - foreach ($array as $key => $value) - { - if ($this->checked_feeds === $this->max_checked_feeds) - { - break; - } - if (preg_match('/(feed|rss|rdf|atom|xml)/i', $value)) - { - $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 = $this->registry->create('File', array($value, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen, $this->curl_options)); - if ($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 array($feed); - } - else - { - unset($array[$key]); - } - } - } - return null; - } +if (\false) { + /** @deprecated since SimplePie 1.7, use "SimplePie\Locator" instead */ + class SimplePie_Locator extends Locator + { + } } - -class_alias('SimplePie_Locator', 'SimplePie\Locator', false); |