diff options
Diffstat (limited to '3rdparty/simplepie/library/SimplePie/Locator.php')
| -rwxr-xr-x | 3rdparty/simplepie/library/SimplePie/Locator.php | 372 |
1 files changed, 0 insertions, 372 deletions
diff --git a/3rdparty/simplepie/library/SimplePie/Locator.php b/3rdparty/simplepie/library/SimplePie/Locator.php deleted file mode 100755 index 57e910c22..000000000 --- a/3rdparty/simplepie/library/SimplePie/Locator.php +++ /dev/null @@ -1,372 +0,0 @@ -<?php -/** - * SimplePie - * - * 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 - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, are - * permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above copyright notice, this list - * of conditions and the following disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * * Neither the name of the SimplePie Team nor the names of its contributors may be used - * to endorse or promote products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS - * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * @package SimplePie - * @version 1.3.1 - * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue - * @author Ryan Parman - * @author Geoffrey Sneddon - * @author Ryan McCue - * @link http://simplepie.org/ SimplePie - * @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; - protected $registry; - - public function __construct(SimplePie_File $file, $timeout = 10, $useragent = null, $max_checked_feeds = 10) - { - $this->file = $file; - $this->useragent = $useragent; - $this->timeout = $timeout; - $this->max_checked_feeds = $max_checked_feeds; - - if (class_exists('DOMDocument')) - { - $this->dom = new DOMDocument(); - - set_error_handler(array('SimplePie_Misc', 'silence_errors')); - $this->dom->loadHTML($this->file->body); - restore_error_handler(); - } - else - { - $this->dom = null; - } - } - - public function set_registry(SimplePie_Registry $registry) - { - $this->registry = $registry; - } - - public function find($type = SIMPLEPIE_LOCATOR_ALL, &$working) - { - if ($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 $working; - } - - if ($type & SIMPLEPIE_LOCATOR_LOCAL_BODY && $working = $this->body($this->local)) - { - return $working; - } - - if ($type & SIMPLEPIE_LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere)) - { - return $working; - } - - if ($type & SIMPLEPIE_LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere)) - { - return $working; - } - } - return null; - } - - public function is_feed($file) - { - if ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE) - { - $sniffer = $this->registry->create('Content_Type_Sniffer', array($file)); - $sniffed = $sniffer->get_type(); - if (in_array($sniffed, array('application/rss+xml', 'application/rdf+xml', 'text/rdf', 'application/atom+xml', 'text/xml', 'application/xml'))) - { - return true; - } - else - { - return false; - } - } - elseif ($file->method & SIMPLEPIE_FILE_SOURCE_LOCAL) - { - return true; - } - else - { - return false; - } - } - - public function get_base() - { - if ($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 = $this->registry->call('Misc', 'absolutize_url', array(trim($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($feeds); - } - else - { - return null; - } - } - - protected function search_elements_by_tag($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_seperated_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($link->getAttribute('type')))), array('application/rss+xml', 'application/atom+xml'))) && !isset($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, $this->useragent)); - if ($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)) - { - $feeds[$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 ($parsed['scheme'] === '' || preg_match('/^(http(s)|feed)?$/i', $parsed['scheme'])) - { - if ($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 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, $this->useragent)); - if ($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 $feed; - } - else - { - unset($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('/(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, $this->useragent)); - if ($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 $feed; - } - else - { - unset($array[$key]); - } - } - } - return null; - } -} - |