/system/cms/libraries/Simplepie.php
PHP | 2213 lines | 1780 code | 390 blank | 43 comment | 150 complexity | 5111fb9463f20c3acff29d8507bf1be4 MD5 | raw file
- <?php
- /**
- * SimplePie
- *
- * A PHP-Based RSS and Atom Feed Framework.
- * Takes the hard work out of managing a complete RSS/Atom solution.
- *
- * Copyright (c) 2004-2010, 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-dev
- * @copyright 2004-2010 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
- * @todo phpDoc comments
- */
- class SimplePie extends SimplePie_Core
- {
- }
- class SimplePie_Author
- {
- var $name;
- var $link;
- var $email;
- public function __construct($name = null, $link = null, $email = null)
- {
- $this->name = $name;
- $this->link = $link;
- $this->email = $email;
- }
- public function __toString()
- {
- return md5(serialize($this));
- }
- public function get_name()
- {
- if ($this->name !== null)
- {
- return $this->name;
- }
- else
- {
- return null;
- }
- }
- public function get_link()
- {
- if ($this->link !== null)
- {
- return $this->link;
- }
- else
- {
- return null;
- }
- }
- public function get_email()
- {
- if ($this->email !== null)
- {
- return $this->email;
- }
- else
- {
- return null;
- }
- }
- }
- class SimplePie_Cache_DB
- {
- public function prepare_simplepie_object_for_cache($data)
- {
- $items = $data->get_items();
- $items_by_id = array();
- if (!empty($items))
- {
- foreach ($items as $item)
- {
- $items_by_id[$item->get_id()] = $item;
- }
- if (count($items_by_id) !== count($items))
- {
- $items_by_id = array();
- foreach ($items as $item)
- {
- $items_by_id[$item->get_id(true)] = $item;
- }
- }
- if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
- {
- $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
- }
- elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
- {
- $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
- }
- elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
- {
- $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
- }
- elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]))
- {
- $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0];
- }
- else
- {
- $channel = null;
- }
- if ($channel !== null)
- {
- if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']))
- {
- unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']);
- }
- if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']))
- {
- unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']);
- }
- if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']))
- {
- unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']);
- }
- if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']))
- {
- unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']);
- }
- if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']))
- {
- unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']);
- }
- }
- if (isset($data->data['items']))
- {
- unset($data->data['items']);
- }
- if (isset($data->data['ordered_items']))
- {
- unset($data->data['ordered_items']);
- }
- }
- return array(serialize($data->data), $items_by_id);
- }
- }
- class SimplePie_Cache_File
- {
- var $location;
- var $filename;
- var $extension;
- var $name;
- public function __construct($location, $filename, $extension)
- {
- $this->location = $location;
- $this->filename = $filename;
- $this->extension = $extension;
- $this->name = "$this->location/$this->filename.$this->extension";
- }
- public function save($data)
- {
- if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location))
- {
- if (is_a($data, 'SimplePie'))
- {
- $data = $data->data;
- }
- $data = serialize($data);
- return (bool) file_put_contents($this->name, $data);
- }
- return false;
- }
- public function load()
- {
- if (file_exists($this->name) && is_readable($this->name))
- {
- return unserialize(file_get_contents($this->name));
- }
- return false;
- }
- public function mtime()
- {
- if (file_exists($this->name))
- {
- return filemtime($this->name);
- }
- return false;
- }
- public function touch()
- {
- if (file_exists($this->name))
- {
- return touch($this->name);
- }
- return false;
- }
- public function unlink()
- {
- if (file_exists($this->name))
- {
- return unlink($this->name);
- }
- return false;
- }
- }
- class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
- {
- var $mysql;
- var $options;
- var $id;
- public function __construct($mysql_location, $name, $extension)
- {
- $host = $mysql_location->get_host();
- if (stripos($host, 'unix(') === 0 && substr($host, -1) === ')')
- {
- $server = ':' . substr($host, 5, -1);
- }
- else
- {
- $server = $host;
- if ($mysql_location->get_port() !== null)
- {
- $server .= ':' . $mysql_location->get_port();
- }
- }
- if (strpos($mysql_location->get_userinfo(), ':') !== false)
- {
- list($username, $password) = explode(':', $mysql_location->get_userinfo(), 2);
- }
- else
- {
- $username = $mysql_location->get_userinfo();
- $password = null;
- }
- if ($this->mysql = mysql_connect($server, $username, $password))
- {
- $this->id = $name . $extension;
- $this->options = SimplePie_Misc::parse_str($mysql_location->get_query());
- if (!isset($this->options['prefix'][0]))
- {
- $this->options['prefix'][0] = '';
- }
- if (mysql_select_db(ltrim($mysql_location->get_path(), '/'))
- && mysql_query('SET NAMES utf8')
- && ($query = mysql_unbuffered_query('SHOW TABLES')))
- {
- $db = array();
- while ($row = mysql_fetch_row($query))
- {
- $db[] = $row[0];
- }
- if (!in_array($this->options['prefix'][0] . 'cache_data', $db))
- {
- if (!mysql_query('CREATE TABLE `' . $this->options['prefix'][0] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))'))
- {
- $this->mysql = null;
- }
- }
- if (!in_array($this->options['prefix'][0] . 'items', $db))
- {
- if (!mysql_query('CREATE TABLE `' . $this->options['prefix'][0] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` TEXT CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))'))
- {
- $this->mysql = null;
- }
- }
- }
- else
- {
- $this->mysql = null;
- }
- }
- }
- public function save($data)
- {
- if ($this->mysql)
- {
- $feed_id = "'" . mysql_real_escape_string($this->id) . "'";
- if (is_a($data, 'SimplePie'))
- {
- $data = clone $data;
- $prepared = $this->prepare_simplepie_object_for_cache($data);
- if ($query = mysql_query('SELECT `id` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = ' . $feed_id, $this->mysql))
- {
- if (mysql_num_rows($query))
- {
- $items = count($prepared[1]);
- if ($items)
- {
- $sql = 'UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `items` = ' . $items . ', `data` = \'' . mysql_real_escape_string($prepared[0]) . '\', `mtime` = ' . time() . ' WHERE `id` = ' . $feed_id;
- }
- else
- {
- $sql = 'UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `data` = \'' . mysql_real_escape_string($prepared[0]) . '\', `mtime` = ' . time() . ' WHERE `id` = ' . $feed_id;
- }
- if (!mysql_query($sql, $this->mysql))
- {
- return false;
- }
- }
- elseif (!mysql_query('INSERT INTO `' . $this->options['prefix'][0] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(' . $feed_id . ', ' . count($prepared[1]) . ', \'' . mysql_real_escape_string($prepared[0]) . '\', ' . time() . ')', $this->mysql))
- {
- return false;
- }
- $ids = array_keys($prepared[1]);
- if (!empty($ids))
- {
- foreach ($ids as $id)
- {
- $database_ids[] = mysql_real_escape_string($id);
- }
- if ($query = mysql_unbuffered_query('SELECT `id` FROM `' . $this->options['prefix'][0] . 'items` WHERE `id` = \'' . implode('\' OR `id` = \'', $database_ids) . '\' AND `feed_id` = ' . $feed_id, $this->mysql))
- {
- $existing_ids = array();
- while ($row = mysql_fetch_row($query))
- {
- $existing_ids[] = $row[0];
- }
- $new_ids = array_diff($ids, $existing_ids);
- foreach ($new_ids as $new_id)
- {
- if (!($date = $prepared[1][$new_id]->get_date('U')))
- {
- $date = time();
- }
- if (!mysql_query('INSERT INTO `' . $this->options['prefix'][0] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(' . $feed_id . ', \'' . mysql_real_escape_string($new_id) . '\', \'' . mysql_real_escape_string(serialize($prepared[1][$new_id]->data)) . '\', ' . $date . ')', $this->mysql))
- {
- return false;
- }
- }
- return true;
- }
- }
- else
- {
- return true;
- }
- }
- }
- elseif ($query = mysql_query('SELECT `id` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = ' . $feed_id, $this->mysql))
- {
- if (mysql_num_rows($query))
- {
- if (mysql_query('UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `items` = 0, `data` = \'' . mysql_real_escape_string(serialize($data)) . '\', `mtime` = ' . time() . ' WHERE `id` = ' . $feed_id, $this->mysql))
- {
- return true;
- }
- }
- elseif (mysql_query('INSERT INTO `' . $this->options['prefix'][0] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(\'' . mysql_real_escape_string($this->id) . '\', 0, \'' . mysql_real_escape_string(serialize($data)) . '\', ' . time() . ')', $this->mysql))
- {
- return true;
- }
- }
- }
- return false;
- }
- public function load()
- {
- if ($this->mysql && ($query = mysql_query('SELECT `items`, `data` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && ($row = mysql_fetch_row($query)))
- {
- $data = unserialize($row[1]);
- if (isset($this->options['items'][0]))
- {
- $items = (int) $this->options['items'][0];
- }
- else
- {
- $items = (int) $row[0];
- }
- if ($items !== 0)
- {
- if (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
- {
- $feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
- }
- elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
- {
- $feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
- }
- elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
- {
- $feed =& $data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
- }
- elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]))
- {
- $feed =& $data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0];
- }
- else
- {
- $feed = null;
- }
- if ($feed !== null)
- {
- $sql = 'SELECT `data` FROM `' . $this->options['prefix'][0] . 'items` WHERE `feed_id` = \'' . mysql_real_escape_string($this->id) . '\' ORDER BY `posted` DESC';
- if ($items > 0)
- {
- $sql .= ' LIMIT ' . $items;
- }
- if ($query = mysql_unbuffered_query($sql, $this->mysql))
- {
- while ($row = mysql_fetch_row($query))
- {
- $feed['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'][] = unserialize($row[0]);
- }
- }
- else
- {
- return false;
- }
- }
- }
- return $data;
- }
- return false;
- }
- public function mtime()
- {
- if ($this->mysql && ($query = mysql_query('SELECT `mtime` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && ($row = mysql_fetch_row($query)))
- {
- return $row[0];
- }
- else
- {
- return false;
- }
- }
- public function touch()
- {
- if ($this->mysql && ($query = mysql_query('UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `mtime` = ' . time() . ' WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && mysql_affected_rows($this->mysql))
- {
- return true;
- }
- else
- {
- return false;
- }
- }
- public function unlink()
- {
- if ($this->mysql && ($query = mysql_query('DELETE FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && ($query2 = mysql_query('DELETE FROM `' . $this->options['prefix'][0] . 'items` WHERE `feed_id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)))
- {
- return true;
- }
- else
- {
- return false;
- }
- }
- }
- class SimplePie_Cache
- {
- private function __construct()
- {
- trigger_error('Please call SimplePie_Cache::create() instead of the constructor', E_USER_ERROR);
- }
- public static function create($location, $filename, $extension)
- {
- $location_iri = new SimplePie_IRI($location);
- switch ($location_iri->get_scheme())
- {
- case 'mysql':
- if (extension_loaded('mysql'))
- {
- return new SimplePie_Cache_MySQL($location_iri, $filename, $extension);
- }
- break;
- default:
- return new SimplePie_Cache_File($location, $filename, $extension);
- }
- }
- }
- class SimplePie_Caption
- {
- var $type;
- var $lang;
- var $startTime;
- var $endTime;
- var $text;
- public function __construct($type = null, $lang = null, $startTime = null, $endTime = null, $text = null)
- {
- $this->type = $type;
- $this->lang = $lang;
- $this->startTime = $startTime;
- $this->endTime = $endTime;
- $this->text = $text;
- }
- public function __toString()
- {
- return md5(serialize($this));
- }
- public function get_endtime()
- {
- if ($this->endTime !== null)
- {
- return $this->endTime;
- }
- else
- {
- return null;
- }
- }
- public function get_language()
- {
- if ($this->lang !== null)
- {
- return $this->lang;
- }
- else
- {
- return null;
- }
- }
- public function get_starttime()
- {
- if ($this->startTime !== null)
- {
- return $this->startTime;
- }
- else
- {
- return null;
- }
- }
- public function get_text()
- {
- if ($this->text !== null)
- {
- return $this->text;
- }
- else
- {
- return null;
- }
- }
- public function get_type()
- {
- if ($this->type !== null)
- {
- return $this->type;
- }
- else
- {
- return null;
- }
- }
- }
- class SimplePie_Category
- {
- var $term;
- var $scheme;
- var $label;
- public function __construct($term = null, $scheme = null, $label = null)
- {
- $this->term = $term;
- $this->scheme = $scheme;
- $this->label = $label;
- }
- public function __toString()
- {
- return md5(serialize($this));
- }
- public function get_term()
- {
- if ($this->term !== null)
- {
- return $this->term;
- }
- else
- {
- return null;
- }
- }
- public function get_scheme()
- {
- if ($this->scheme !== null)
- {
- return $this->scheme;
- }
- else
- {
- return null;
- }
- }
- public function get_label()
- {
- if ($this->label !== null)
- {
- return $this->label;
- }
- else
- {
- return $this->get_term();
- }
- }
- }
- class SimplePie_Content_Type_Sniffer
- {
- var $file;
- public function __construct($file)
- {
- $this->file = $file;
- }
- public function get_type()
- {
- if (isset($this->file->headers['content-type']))
- {
- if (!isset($this->file->headers['content-encoding'])
- && ($this->file->headers['content-type'] === 'text/plain'
- || $this->file->headers['content-type'] === 'text/plain; charset=ISO-8859-1'
- || $this->file->headers['content-type'] === 'text/plain; charset=iso-8859-1'))
- {
- return $this->text_or_binary();
- }
- if (($pos = strpos($this->file->headers['content-type'], ';')) !== false)
- {
- $official = substr($this->file->headers['content-type'], 0, $pos);
- }
- else
- {
- $official = $this->file->headers['content-type'];
- }
- $official = strtolower($official);
- if ($official === 'unknown/unknown'
- || $official === 'application/unknown')
- {
- return $this->unknown();
- }
- elseif (substr($official, -4) === '+xml'
- || $official === 'text/xml'
- || $official === 'application/xml')
- {
- return $official;
- }
- elseif (substr($official, 0, 6) === 'image/')
- {
- if ($return = $this->image())
- {
- return $return;
- }
- else
- {
- return $official;
- }
- }
- elseif ($official === 'text/html')
- {
- return $this->feed_or_html();
- }
- else
- {
- return $official;
- }
- }
- else
- {
- return $this->unknown();
- }
- }
- public function text_or_binary()
- {
- if (substr($this->file->body, 0, 2) === "\xFE\xFF"
- || substr($this->file->body, 0, 2) === "\xFF\xFE"
- || substr($this->file->body, 0, 4) === "\x00\x00\xFE\xFF"
- || substr($this->file->body, 0, 3) === "\xEF\xBB\xBF")
- {
- return 'text/plain';
- }
- elseif (preg_match('/[\x00-\x08\x0E-\x1A\x1C-\x1F]/', $this->file->body))
- {
- return 'application/octect-stream';
- }
- else
- {
- return 'text/plain';
- }
- }
- public function unknown()
- {
- $ws = strspn($this->file->body, "\x09\x0A\x0B\x0C\x0D\x20");
- if (strtolower(substr($this->file->body, $ws, 14)) === '<!doctype html'
- || strtolower(substr($this->file->body, $ws, 5)) === '<html'
- || strtolower(substr($this->file->body, $ws, 7)) === '<script')
- {
- return 'text/html';
- }
- elseif (substr($this->file->body, 0, 5) === '%PDF-')
- {
- return 'application/pdf';
- }
- elseif (substr($this->file->body, 0, 11) === '%!PS-Adobe-')
- {
- return 'application/postscript';
- }
- elseif (substr($this->file->body, 0, 6) === 'GIF87a'
- || substr($this->file->body, 0, 6) === 'GIF89a')
- {
- return 'image/gif';
- }
- elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
- {
- return 'image/png';
- }
- elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
- {
- return 'image/jpeg';
- }
- elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
- {
- return 'image/bmp';
- }
- else
- {
- return $this->text_or_binary();
- }
- }
- public function image()
- {
- if (substr($this->file->body, 0, 6) === 'GIF87a'
- || substr($this->file->body, 0, 6) === 'GIF89a')
- {
- return 'image/gif';
- }
- elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
- {
- return 'image/png';
- }
- elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
- {
- return 'image/jpeg';
- }
- elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
- {
- return 'image/bmp';
- }
- else
- {
- return false;
- }
- }
- public function feed_or_html()
- {
- $len = strlen($this->file->body);
- $pos = strspn($this->file->body, "\x09\x0A\x0D\x20");
- while ($pos < $len)
- {
- switch ($this->file->body[$pos])
- {
- case "\x09":
- case "\x0A":
- case "\x0D":
- case "\x20":
- $pos += strspn($this->file->body, "\x09\x0A\x0D\x20", $pos);
- continue 2;
- case '<':
- $pos++;
- break;
- default:
- return 'text/html';
- }
- if (substr($this->file->body, $pos, 3) === '!--')
- {
- $pos += 3;
- if ($pos < $len && ($pos = strpos($this->file->body, '-->', $pos)) !== false)
- {
- $pos += 3;
- }
- else
- {
- return 'text/html';
- }
- }
- elseif (substr($this->file->body, $pos, 1) === '!')
- {
- if ($pos < $len && ($pos = strpos($this->file->body, '>', $pos)) !== false)
- {
- $pos++;
- }
- else
- {
- return 'text/html';
- }
- }
- elseif (substr($this->file->body, $pos, 1) === '?')
- {
- if ($pos < $len && ($pos = strpos($this->file->body, '?>', $pos)) !== false)
- {
- $pos += 2;
- }
- else
- {
- return 'text/html';
- }
- }
- elseif (substr($this->file->body, $pos, 3) === 'rss'
- || substr($this->file->body, $pos, 7) === 'rdf:RDF')
- {
- return 'application/rss+xml';
- }
- elseif (substr($this->file->body, $pos, 4) === 'feed')
- {
- return 'application/atom+xml';
- }
- else
- {
- return 'text/html';
- }
- }
- return 'text/html';
- }
- }
- class SimplePie_Copyright
- {
- var $url;
- var $label;
- public function __construct($url = null, $label = null)
- {
- $this->url = $url;
- $this->label = $label;
- }
- public function __toString()
- {
- return md5(serialize($this));
- }
- public function get_url()
- {
- if ($this->url !== null)
- {
- return $this->url;
- }
- else
- {
- return null;
- }
- }
- public function get_attribution()
- {
- if ($this->label !== null)
- {
- return $this->label;
- }
- else
- {
- return null;
- }
- }
- }
- define('SIMPLEPIE_NAME', 'SimplePie');
- define('SIMPLEPIE_VERSION', '1.3-dev');
- define('SIMPLEPIE_BUILD', gmdate('YmdHis', SimplePie_Misc::parse_date(substr('$Date$', 7, 25)) ? SimplePie_Misc::parse_date(substr('$Date$', 7, 25)) : filemtime(__FILE__)));
- define('SIMPLEPIE_URL', 'http://simplepie.org');
- define('SIMPLEPIE_USERAGENT', SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION . ' (Feed Parser; ' . SIMPLEPIE_URL . '; Allow like Gecko) Build/' . SIMPLEPIE_BUILD);
- define('SIMPLEPIE_LINKBACK', '<a href="' . SIMPLEPIE_URL . '" title="' . SIMPLEPIE_NAME . ' ' . SIMPLEPIE_VERSION . '">' . SIMPLEPIE_NAME . '</a>');
- define('SIMPLEPIE_LOCATOR_NONE', 0);
- define('SIMPLEPIE_LOCATOR_AUTODISCOVERY', 1);
- define('SIMPLEPIE_LOCATOR_LOCAL_EXTENSION', 2);
- define('SIMPLEPIE_LOCATOR_LOCAL_BODY', 4);
- define('SIMPLEPIE_LOCATOR_REMOTE_EXTENSION', 8);
- define('SIMPLEPIE_LOCATOR_REMOTE_BODY', 16);
- define('SIMPLEPIE_LOCATOR_ALL', 31);
- define('SIMPLEPIE_TYPE_NONE', 0);
- define('SIMPLEPIE_TYPE_RSS_090', 1);
- define('SIMPLEPIE_TYPE_RSS_091_NETSCAPE', 2);
- define('SIMPLEPIE_TYPE_RSS_091_USERLAND', 4);
- define('SIMPLEPIE_TYPE_RSS_091', 6);
- define('SIMPLEPIE_TYPE_RSS_092', 8);
- define('SIMPLEPIE_TYPE_RSS_093', 16);
- define('SIMPLEPIE_TYPE_RSS_094', 32);
- define('SIMPLEPIE_TYPE_RSS_10', 64);
- define('SIMPLEPIE_TYPE_RSS_20', 128);
- define('SIMPLEPIE_TYPE_RSS_RDF', 65);
- define('SIMPLEPIE_TYPE_RSS_SYNDICATION', 190);
- define('SIMPLEPIE_TYPE_RSS_ALL', 255);
- define('SIMPLEPIE_TYPE_ATOM_03', 256);
- define('SIMPLEPIE_TYPE_ATOM_10', 512);
- define('SIMPLEPIE_TYPE_ATOM_ALL', 768);
- define('SIMPLEPIE_TYPE_ALL', 1023);
- define('SIMPLEPIE_CONSTRUCT_NONE', 0);
- define('SIMPLEPIE_CONSTRUCT_TEXT', 1);
- define('SIMPLEPIE_CONSTRUCT_HTML', 2);
- define('SIMPLEPIE_CONSTRUCT_XHTML', 4);
- define('SIMPLEPIE_CONSTRUCT_BASE64', 8);
- define('SIMPLEPIE_CONSTRUCT_IRI', 16);
- define('SIMPLEPIE_CONSTRUCT_MAYBE_HTML', 32);
- define('SIMPLEPIE_CONSTRUCT_ALL', 63);
- define('SIMPLEPIE_SAME_CASE', 1);
- define('SIMPLEPIE_LOWERCASE', 2);
- define('SIMPLEPIE_UPPERCASE', 4);
- define('SIMPLEPIE_PCRE_HTML_ATTRIBUTE', '((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*');
- define('SIMPLEPIE_PCRE_XML_ATTRIBUTE', '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*');
- define('SIMPLEPIE_NAMESPACE_XML', 'http://www.w3.org/XML/1998/namespace');
- define('SIMPLEPIE_NAMESPACE_ATOM_10', 'http://www.w3.org/2005/Atom');
- define('SIMPLEPIE_NAMESPACE_ATOM_03', 'http://purl.org/atom/ns#');
- define('SIMPLEPIE_NAMESPACE_RDF', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
- define('SIMPLEPIE_NAMESPACE_RSS_090', 'http://my.netscape.com/rdf/simple/0.9/');
- define('SIMPLEPIE_NAMESPACE_RSS_10', 'http://purl.org/rss/1.0/');
- define('SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT', 'http://purl.org/rss/1.0/modules/content/');
- define('SIMPLEPIE_NAMESPACE_RSS_20', '');
- define('SIMPLEPIE_NAMESPACE_DC_10', 'http://purl.org/dc/elements/1.0/');
- define('SIMPLEPIE_NAMESPACE_DC_11', 'http://purl.org/dc/elements/1.1/');
- define('SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO', 'http://www.w3.org/2003/01/geo/wgs84_pos#');
- define('SIMPLEPIE_NAMESPACE_GEORSS', 'http://www.georss.org/georss');
- define('SIMPLEPIE_NAMESPACE_MEDIARSS', 'http://search.yahoo.com/mrss/');
- define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG', 'http://search.yahoo.com/mrss');
- define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2', 'http://video.search.yahoo.com/mrss');
- define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3', 'http://video.search.yahoo.com/mrss/');
- define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4', 'http://www.rssboard.org/media-rss');
- define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5', 'http://www.rssboard.org/media-rss/');
- define('SIMPLEPIE_NAMESPACE_ITUNES', 'http://www.itunes.com/dtds/podcast-1.0.dtd');
- define('SIMPLEPIE_NAMESPACE_XHTML', 'http://www.w3.org/1999/xhtml');
- define('SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY', 'http://www.iana.org/assignments/relation/');
- define('SIMPLEPIE_PHP5', version_compare(PHP_VERSION, '5.0.0', '>='));
- define('SIMPLEPIE_FILE_SOURCE_NONE', 0);
- define('SIMPLEPIE_FILE_SOURCE_REMOTE', 1);
- define('SIMPLEPIE_FILE_SOURCE_LOCAL', 2);
- define('SIMPLEPIE_FILE_SOURCE_FSOCKOPEN', 4);
- define('SIMPLEPIE_FILE_SOURCE_CURL', 8);
- define('SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS', 16);
- class SimplePie_Core
- {
- public $data = array();
- public $error;
- public $sanitize;
- public $useragent = SIMPLEPIE_USERAGENT;
- public $feed_url;
- public $file;
- public $raw_data;
- public $timeout = 10;
- public $force_fsockopen = false;
- public $force_feed = false;
- public $xml_dump = false;
- public $cache = true;
- public $cache_duration = 3600;
- public $autodiscovery_cache_duration = 604800;
- public $cache_location = './cache';
- public $cache_name_function = 'md5';
- public $order_by_date = true;
- public $input_encoding = false;
- public $autodiscovery = SIMPLEPIE_LOCATOR_ALL;
- public $cache_class = 'SimplePie_Cache';
- public $locator_class = 'SimplePie_Locator';
- public $parser_class = 'SimplePie_Parser';
- public $file_class = 'SimplePie_File';
- public $item_class = 'SimplePie_Item';
- public $author_class = 'SimplePie_Author';
- public $category_class = 'SimplePie_Category';
- public $enclosure_class = 'SimplePie_Enclosure';
- public $caption_class = 'SimplePie_Caption';
- public $copyright_class = 'SimplePie_Copyright';
- public $credit_class = 'SimplePie_Credit';
- public $rating_class = 'SimplePie_Rating';
- public $restriction_class = 'SimplePie_Restriction';
- public $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';
- public $source_class = 'SimplePie_Source';
- public $javascript = 'js';
- public $max_checked_feeds = 10;
- public $all_discovered_feeds = array();
- public $image_handler = '';
- public $multifeed_url = array();
- public $multifeed_objects = array();
- public $config_settings = null;
- public $item_limit = 0;
- public $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
- public $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
- public function __construct()
- {
- if (version_compare(PHP_VERSION, '5.0', '<'))
- {
- trigger_error('PHP 4.x is no longer supported. Please upgrade to PHP 5.2 or newer.');
- die();
- }
- $this->sanitize = new SimplePie_Sanitize();
- if (func_num_args() > 0)
- {
- trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_location() directly.');
- }
- }
- public function __toString()
- {
- return md5(serialize($this->data));
- }
- public function __destruct()
- {
- if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode'))
- {
- if (!empty($this->data['items']))
- {
- foreach ($this->data['items'] as $item)
- {
- $item->__destruct();
- }
- unset($item, $this->data['items']);
- }
- if (!empty($this->data['ordered_items']))
- {
- foreach ($this->data['ordered_items'] as $item)
- {
- $item->__destruct();
- }
- unset($item, $this->data['ordered_items']);
- }
- }
- }
- public function force_feed($enable = false)
- {
- $this->force_feed = (bool) $enable;
- }
- public function set_feed_url($url)
- {
- if (is_array($url))
- {
- $this->multifeed_url = array();
- foreach ($url as $value)
- {
- $this->multifeed_url[] = SimplePie_Misc::fix_protocol($value, 1);
- }
- }
- else
- {
- $this->feed_url = SimplePie_Misc::fix_protocol($url, 1);
- }
- }
- public function set_file(&$file)
- {
- if (is_a($file, 'SimplePie_File'))
- {
- $this->feed_url = $file->url;
- $this->file =& $file;
- return true;
- }
- return false;
- }
- public function set_raw_data($data)
- {
- $this->raw_data = $data;
- }
- public function set_timeout($timeout = 10)
- {
- $this->timeout = (int) $timeout;
- }
- public function force_fsockopen($enable = false)
- {
- $this->force_fsockopen = (bool) $enable;
- }
- public function enable_cache($enable = true)
- {
- $this->cache = (bool) $enable;
- }
- public function set_cache_duration($seconds = 3600)
- {
- $this->cache_duration = (int) $seconds;
- }
- public function set_autodiscovery_cache_duration($seconds = 604800)
- {
- $this->autodiscovery_cache_duration = (int) $seconds;
- }
- public function set_cache_location($location = './cache')
- {
- $this->cache_location = (string) $location;
- }
- public function enable_order_by_date($enable = true)
- {
- $this->order_by_date = (bool) $enable;
- }
- public function set_input_encoding($encoding = false)
- {
- if ($encoding)
- {
- $this->input_encoding = (string) $encoding;
- }
- else
- {
- $this->input_encoding = false;
- }
- }
- public function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
- {
- $this->autodiscovery = (int) $level;
- }
- public function set_cache_class($class = 'SimplePie_Cache')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Cache'))
- {
- $this->cache_class = $class;
- return true;
- }
- return false;
- }
- public function set_locator_class($class = 'SimplePie_Locator')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Locator'))
- {
- $this->locator_class = $class;
- return true;
- }
- return false;
- }
- public function set_parser_class($class = 'SimplePie_Parser')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Parser'))
- {
- $this->parser_class = $class;
- return true;
- }
- return false;
- }
- public function set_file_class($class = 'SimplePie_File')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_File'))
- {
- $this->file_class = $class;
- return true;
- }
- return false;
- }
- public function set_sanitize_class($class = 'SimplePie_Sanitize')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Sanitize'))
- {
- $this->sanitize = new $class();
- return true;
- }
- return false;
- }
- public function set_item_class($class = 'SimplePie_Item')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Item'))
- {
- $this->item_class = $class;
- return true;
- }
- return false;
- }
- public function set_author_class($class = 'SimplePie_Author')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Author'))
- {
- $this->author_class = $class;
- return true;
- }
- return false;
- }
- public function set_category_class($class = 'SimplePie_Category')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Category'))
- {
- $this->category_class = $class;
- return true;
- }
- return false;
- }
- public function set_enclosure_class($class = 'SimplePie_Enclosure')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Enclosure'))
- {
- $this->enclosure_class = $class;
- return true;
- }
- return false;
- }
- public function set_caption_class($class = 'SimplePie_Caption')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Caption'))
- {
- $this->caption_class = $class;
- return true;
- }
- return false;
- }
- public function set_copyright_class($class = 'SimplePie_Copyright')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Copyright'))
- {
- $this->copyright_class = $class;
- return true;
- }
- return false;
- }
- public function set_credit_class($class = 'SimplePie_Credit')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Credit'))
- {
- $this->credit_class = $class;
- return true;
- }
- return false;
- }
- public function set_rating_class($class = 'SimplePie_Rating')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Rating'))
- {
- $this->rating_class = $class;
- return true;
- }
- return false;
- }
- public function set_restriction_class($class = 'SimplePie_Restriction')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Restriction'))
- {
- $this->restriction_class = $class;
- return true;
- }
- return false;
- }
- public function set_content_type_sniffer_class($class = 'SimplePie_Content_Type_Sniffer')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Content_Type_Sniffer'))
- {
- $this->content_type_sniffer_class = $class;
- return true;
- }
- return false;
- }
- public function set_source_class($class = 'SimplePie_Source')
- {
- if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Source'))
- {
- $this->source_class = $class;
- return true;
- }
- return false;
- }
- public function set_useragent($ua = SIMPLEPIE_USERAGENT)
- {
- $this->useragent = (string) $ua;
- }
- public function set_cache_name_function($function = 'md5')
- {
- if (is_callable($function))
- {
- $this->cache_name_function = $function;
- }
- }
- public function set_javascript($get = 'js')
- {
- if ($get)
- {
- $this->javascript = (string) $get;
- }
- else
- {
- $this->javascript = false;
- }
- }
- public function set_stupidly_fast($set = false)
- {
- if ($set)
- {
- $this->enable_order_by_date(false);
- $this->remove_div(false);
- $this->strip_comments(false);
- $this->strip_htmltags(false);
- $this->strip_attributes(false);
- $this->set_image_handler(false);
- }
- }
- public function set_max_checked_feeds($max = 10)
- {
- $this->max_checked_feeds = (int) $max;
- }
- public function remove_div($enable = true)
- {
- $this->sanitize->remove_div($enable);
- }
- public function strip_htmltags($tags = '', $encode = null)
- {
- if ($tags === '')
- {
- $tags = $this->strip_htmltags;
- }
- $this->sanitize->strip_htmltags($tags);
- if ($encode !== null)
- {
- $this->sanitize->encode_instead_of_strip($tags);
- }
- }
- public function encode_instead_of_strip($enable = true)
- {
- $this->sanitize->encode_instead_of_strip($enable);
- }
- public function strip_attributes($attribs = '')
- {
- if ($attribs === '')
- {
- $attribs = $this->strip_attributes;
- }
- $this->sanitize->strip_attributes($attribs);
- }
- public function set_output_encoding($encoding = 'UTF-8')
- {
- $this->sanitize->set_output_encoding($encoding);
- }
- public function strip_comments($strip = false)
- {
- $this->sanitize->strip_comments($strip);
- }
- public function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite'))
- {
- $this->sanitize->set_url_replacements($element_attribute);
- }
- public function set_image_handler($page = false, $qs = 'i')
- {
- if ($page !== false)
- {
- $this->sanitize->set_image_handler($page . '?' . $qs . '=');
- }
- else
- {
- $this->image_handler = '';
- }
- }
- public function set_item_limit($limit = 0)
- {
- $this->item_limit = (int) $limit;
- }
- public function init()
- {
- if ((function_exists('version_compare') && version_compare(PHP_VERSION, '5.0', '<')) || !extension_loaded('xml') || !extension_loaded('pcre'))
- {
- return false;
- }
- elseif (!extension_loaded('xmlreader'))
- {
- static $xml_is_sane = null;
- if ($xml_is_sane === null)
- {
- $parser_check = xml_parser_create();
- xml_parse_into_struct($parser_check, '<foo>&</foo>', $values);
- xml_parser_free($parser_check);
- $xml_is_sane = isset($values[0]['value']);
- }
- if (!$xml_is_sane)
- {
- return false;
- }
- }
- if (isset($_GET[$this->javascript]))
- {
- SimplePie_Misc::output_javascript();
- exit;
- }
- $this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class);
- $this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen);
- if ($this->feed_url !== null || $this->raw_data !== null)
- {
- $this->error = null;
- $this->data = array();
- $this->multifeed_objects = array();
- $cache = false;
- if ($this->feed_url !== null)
- {
- $parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url);
- if ($this->cache && $parsed_feed_url['scheme'] !== '')
- {
- $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc');
- }
- if ($cache && !$this->xml_dump)
- {
- $this->data = $cache->load();
- if (!empty($this->data))
- {
- if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD)
- {
- $cache->unlink();
- $this->data = array();
- }
- elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url)
- {
- $cache = false;
- $this->data = array();
- }
- elseif (isset($this->data['feed_url']))
- {
- if ($cache->mtime() + $this->autodiscovery_cache_duration > time())
- {
- if ($this->data['feed_url'] === $this->data['url'])
- {
- $cache->unlink();
- $this->data = array();
- }
- else
- {
- $this->set_feed_url($this->data['feed_url']);
- return $this->init();
- }
- }
- }
- elseif ($cache->mtime() + $this->cache_duration < time())
- {
- if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))
- {
- $headers = array();
- if (isset($this->data['headers']['last-modified']))
- {
- $headers['if-modified-since'] = $this->data['headers']['last-modified'];
- }
- if (isset($this->data['headers']['etag']))
- {
- $headers['if-none-match'] = '"' . $this->data['headers']['etag'] . '"';
- }
- $file = new $this->file_class($this->feed_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen);
- if ($file->success)
- {
- if ($file->status_code === 304)
- {
- $cache->touch();
- return true;
- }
- else
- {
- $headers = $file->headers;
- }
- }
- else
- {
- unset($file);
- }
- }
- }
- else
- {
- return true;
- }
- }
- else
- {
- $cache->unlink();
- $this->data = array();
- }
- }
- if (!isset($file))
- {
- if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url)
- {
- $file =& $this->file;
- }
- else
- {
- $file = new $this->file_class($this->feed_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen);
- }
- }
- if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
- {
- $this->error = $file->error;
- if (!empty($this->data))
- {
- return true;
- }
- else
- {
- return false;
- }
- }
- if (!$this->force_feed)
- {
- $locate = new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class);
- if (!$locate->is_feed($file))
- {
- unset($file);
- if ($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds))
- {
- if ($cache)
- {
- $this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
- if (!$cache->save($this))
- {
- trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
- }
- $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc');
- }
- $this->feed_url = $file->url;
- }
- else
- {
- $this->error = "A feed could not be found at $this->feed_url. A feed with an invalid mime type may fall victim to this error, or " . SIMPLEPIE_NAME . " was unable to auto-discover it.. Use force_feed() if you are certain this URL is a real feed.";
- SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
- return false;
- }
- }
- $locate = null;
- }
- $headers = $file->headers;
- $data = $file->body;
- $sniffer = new $this->content_type_sniffer_class($file);
- $sniffed = $sniffer->get_type();
- }
- else
- {
- $data = $this->raw_data;
- }
- $encodings = array();
- if ($this->input_encoding !== false)
- {
- $encodings[] = $this->input_encoding;
- }
- $application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity');
- $text_types = array('text/xml', 'text/xml-external-parsed-entity');
- if (isset($sniffed))
- {
- if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml')
- {
- if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
- {
- $encodings[] = strtoupper($charset[1]);
- }
- $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
- $encodings[] = 'UTF-8';
- }
- elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml')
- {
- if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
- {
- $encodings[] = $charset[1];
- }
- $encodings[] = 'US-ASCII';
- }
- elseif (substr($sniffed, 0, 5) === 'text/')
- {
- $encodings[] = 'US-ASCII';
- }
- }
- $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
- $encodings[] = 'UTF-8';
- $encodings[] = 'ISO-8859-1';
- $encodings = array_unique($encodings);
- if ($this->xml_dump)
- {
- header('Content-type: text/xml; charset=' . $encodings[0]);
- echo $data;
- exit;
- }
- foreach ($encodings as $encoding)
- {
- if ($utf8_data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8'))
- {
- $parser = new $this->parser_class();
- if ($parser->parse($utf8_data, 'UTF-8'))
- {
- $this->data = $parser->get_data();
- if ($this->get_type() & ~SIMPLEPIE_TYPE_NONE)
- {
- if (isset($headers))
- {
- $this->data['headers'] = $headers;
- }
- $this->data['build'] = SIMPLEPIE_BUILD;
- if ($cache && !$cache->save($this))
- {
- trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
- }
- return true;
- }
- else
- {
- $this->error = "A feed could not be found at $this->feed_url. This does not appear to be a valid RSS or Atom feed.";
- SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
- return false;
- }
- }
- }
- }
- if (isset($parser))
- {
- $this->error = sprintf('This XML document is invalid, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
- }
- else
- {
- $this->error = 'The data could not be converted to UTF-8. You MUST have either the iconv or mbstring extension installed. Upgrading to PHP 5.x (which includes iconv) is highly recommended.';
- }
- SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
- return false;
- }
- elseif (!empty($this->multifeed_url))
- {
- $i = 0;
- $success = 0;
- $this->multifeed_objects = array();
- foreach ($this->multifeed_url as $url)
- {
- $this->multifeed_objects[$i] = clone $this;
- $this->multifeed_objects[$i]->set_feed_url($url);
- $success |= $this->multifeed_objects[$i]->init();
- $i++;
- }
- return (bool) $success;
- }
- else
- {
- return false;
- }
- }
- public function error()
- {
- return $this->error;
- }
- public function get_encoding()
- {
- return $this->sanitize->output_encoding;
- }
- public function handle_content_type($mime = 'text/html')
- {
- if (!headers_sent())
- {
- $header = "Content-type: $mime;";
- if ($this->get_encoding())
- {
- $header .= ' charset=' . $this->get_encoding();
- }
- else
- {
- $header .= ' charset=UTF-8';
- }
- header($header);
- }
- }
- public function get_type()
- {
- if (!isset($this->data['type']))
- {
- $this->data['type'] = SIMPLEPIE_TYPE_ALL;
- if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed']))
- {
- $this->data['type'] &= SIMPLEPIE_TYPE_ATOM_10;
- }
- elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed']))
- {
- $this->data['type'] &= SIMPLEPIE_TYPE_ATOM_03;
- }
- elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF']))
- {
- if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['channel'])
- || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['image'])
- || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])
- || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['textinput']))
- {
- $this->data['type'] &= SIMPLEPIE_TYPE_RSS_10;
- }
- if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['channel'])
- || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['image'])
- || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])
- || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['textinput']))
- {
- $this->data['type'] &= SIMPLEPIE_TYPE_RSS_090;
- }
- }
- elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss']))
- {
- $this->data['type'] &= SIMPLEPIE_TYPE_RSS_ALL;
- if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
- {
- switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
- {
- case '0.91':
- $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091;
- if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
- {
- switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
- {
- case '0':
- $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_NETSCAPE;
- break;
- case '24':
- $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_USERLAND;
- break;
- }
- }
- break;
- case '0.92':
- $this->data['type'] &= SIMPLEPIE_TYPE_RSS_092;
- break;
- case '0.93':
- $this->data['type'] &= SIMPLEPIE_TYPE_RSS_093;
- break;
- case '0.94':
- $this->data['type'] &= SIMPLEPIE_TYPE_RSS_094;
- break;
- case '2.0':
- $this->data['type'] &= SIMPLEPIE_TYPE_RSS_20;
- break;
- }
- }
- }
- else
- {
- $this->data['type'] = SIMPLEPIE_TYPE_NONE;
- }
- }
- return $this->data['type'];
- }
- public function subscribe_url()
- {
- if ($this->feed_url !== null)
- {
- return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI);
- }
- else
- {
- return null;
- }
- }
- public function get_feed_tags($namespace, $tag)
- {
- $type = $this->get_type();
- if ($type & SIMPLEPIE_TYPE_ATOM_10)
- {
- if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['