diff options
Diffstat (limited to 'vendor/simplepie/simplepie/src/Locator.php')
| -rw-r--r-- | vendor/simplepie/simplepie/src/Locator.php | 335 |
1 files changed, 9 insertions, 326 deletions
diff --git a/vendor/simplepie/simplepie/src/Locator.php b/vendor/simplepie/simplepie/src/Locator.php index 2eebf10df..1696937d4 100644 --- a/vendor/simplepie/simplepie/src/Locator.php +++ b/vendor/simplepie/simplepie/src/Locator.php @@ -5,7 +5,10 @@ * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * - * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors + * Please note: This file is automatically generated by a build script. The + * full original source is always available from http://simplepie.org/ + * + * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are @@ -43,330 +46,10 @@ namespace SimplePie; -/** - * Used for feed auto-discovery - * - * - * This class can be overloaded with {@see \SimplePie\SimplePie::set_locator_class()} - * - * @package SimplePie - */ -class Locator -{ - public $useragent; - public $timeout; - public $file; - public $local = []; - public $elsewhere = []; - public $cached_entities = []; - public $http_base; - public $base; - public $base_location = 0; - public $checked_feeds = 0; - public $max_checked_feeds = 10; - public $force_fsockopen = false; - public $curl_options = []; - public $dom; - protected $registry; - - public function __construct(\SimplePie\File $file, $timeout = 10, $useragent = null, $max_checked_feeds = 10, $force_fsockopen = false, $curl_options = []) - { - $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(['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\SimplePie::LOCATOR_ALL, &$working = null) - { - if ($this->is_feed($this->file)) { - return $this->file; - } - - if ($this->file->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE) { - $sniffer = $this->registry->create('Content_Type_Sniffer', [$this->file]); - if ($sniffer->get_type() !== 'text/html') { - return null; - } - } - - if ($type & ~\SimplePie\SimplePie::LOCATOR_NONE) { - $this->get_base(); - } - - if ($type & \SimplePie\SimplePie::LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery()) { - return $working[0]; - } - - if ($type & (\SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION | \SimplePie\SimplePie::LOCATOR_LOCAL_BODY | \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION | \SimplePie\SimplePie::LOCATOR_REMOTE_BODY) && $this->get_links()) { - if ($type & \SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local)) { - return $working[0]; - } - - if ($type & \SimplePie\SimplePie::LOCATOR_LOCAL_BODY && $working = $this->body($this->local)) { - return $working[0]; - } - - if ($type & \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere)) { - return $working[0]; - } - - if ($type & \SimplePie\SimplePie::LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere)) { - return $working[0]; - } - } - return null; - } - - public function is_feed($file, $check_html = false) - { - if ($file->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE) { - $sniffer = $this->registry->create('Content_Type_Sniffer', [$file]); - $sniffed = $sniffer->get_type(); - $mime_types = ['application/rss+xml', 'application/rdf+xml', - 'text/rdf', 'application/atom+xml', 'text/xml', - 'application/xml', 'application/x-rss+xml']; - if ($check_html) { - $mime_types[] = 'text/html'; - } +class_exists('SimplePie_Locator'); - return in_array($sniffed, $mime_types); - } elseif ($file->method & \SimplePie\SimplePie::FILE_SOURCE_LOCAL) { - return true; - } else { - return false; - } - } - - 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 = $this->registry->call('Misc', 'absolutize_url', [trim($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 = []; - $feeds = []; - $feeds = array_merge($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', [strtolower($link->getAttribute('rel'))])); - $line = method_exists($link, 'getLineNo') ? $link->getLineNo() : 1; - - if ($this->base_location < $line) { - $href = $this->registry->call('Misc', 'absolutize_url', [trim($link->getAttribute('href')), $this->base]); - } else { - $href = $this->registry->call('Misc', 'absolutize_url', [trim($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', [$link->getAttribute('type')])), ['text/html', 'application/rss+xml', 'application/atom+xml'])) && !isset($feeds[$href])) { - $this->checked_feeds++; - $headers = [ - '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 = $this->registry->create('File', [$href, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options]); - if ($feed->success && ($feed->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE === 0 || ($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 = $this->registry->call('Misc', 'parse_url', [$href]); - if ($parsed['scheme'] === '' || preg_match('/^(https?|feed)?$/i', $parsed['scheme'])) { - if (method_exists($link, 'getLineNo') && $this->base_location < $link->getLineNo()) { - $href = $this->registry->call('Misc', 'absolutize_url', [trim($link->getAttribute('href')), $this->base]); - } else { - $href = $this->registry->call('Misc', 'absolutize_url', [trim($link->getAttribute('href')), $this->http_base]); - } - if ($href === false) { - continue; - } - - $current = $this->registry->call('Misc', 'parse_url', [$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 = $this->registry->call('Misc', 'parse_url', [$href]); - if ($parsed['scheme'] === '' || - preg_match('/^https?$/i', $parsed['scheme'])) { - if (method_exists($link, 'getLineNo') && - $this->base_location < $link->getLineNo()) { - $href = - $this->registry->call( - 'Misc', - 'absolutize_url', - [trim($link->getAttribute('href')), - $this->base] - ); - } else { - $href = - $this->registry->call( - 'Misc', - 'absolutize_url', - [trim($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, '.')), ['.rss', '.rdf', '.atom', '.xml'])) { - $this->checked_feeds++; - - $headers = [ - '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 = $this->registry->create('File', [$value, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options]); - if ($feed->success && ($feed->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed)) { - return [$feed]; - } else { - unset($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 = [ - '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 = $this->registry->create('File', [$value, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen, $this->curl_options]); - if ($feed->success && ($feed->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed)) { - return [$feed]; - } else { - unset($array[$key]); - } - } - } - return null; - } +if (\false) { + class Locator extends \SimplePie_Locator + { + } } - -class_alias('SimplePie\Locator', 'SimplePie_Locator', false); |