aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/simplepie/simplepie/library/SimplePie/Locator.php
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/simplepie/simplepie/library/SimplePie/Locator.php')
-rw-r--r--vendor/simplepie/simplepie/library/SimplePie/Locator.php397
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);