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<?php |
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/* Copyright (C) 2011-2012 Laurent Destailleur <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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/** |
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* \file htdocs/core/class/rssparser.class.php |
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* \ingroup core |
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* \brief File of class to parse RSS feeds |
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*/ |
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/** |
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* Class to parse RSS files |
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*/ |
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class RssParser |
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{ |
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/** |
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* @var DoliDB Database handler. |
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*/ |
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public $db; |
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/** |
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* @var string Error code (or message) |
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*/ |
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public $error = ''; |
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private $_format = ''; |
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private $_urlRSS; |
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private $_language; |
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private $_generator; |
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private $_copyright; |
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private $_lastbuilddate; |
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private $_imageurl; |
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private $_link; |
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private $_title; |
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private $_description; |
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private $_lastfetchdate; // Last successful fetch |
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private $_rssarray = array(); |
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// For parsing with xmlparser |
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public $stack = array(); // parser stack |
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private $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright'); |
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/** |
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* Constructor |
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* |
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* @param DoliDB $db Database handler |
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*/ |
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public function __construct($db) |
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{ |
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$this->db = $db; |
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} |
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/** |
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* getFormat |
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* |
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* @return string |
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*/ |
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public function getFormat() |
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{ |
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return $this->_format; |
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} |
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/** |
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* getUrlRss |
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* |
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* @return string |
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*/ |
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public function getUrlRss() |
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{ |
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return $this->_urlRSS; |
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} |
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/** |
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* getLanguage |
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* |
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* @return string |
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*/ |
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public function getLanguage() |
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{ |
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return $this->_language; |
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} |
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/** |
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* getGenerator |
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* |
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* @return string |
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*/ |
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public function getGenerator() |
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{ |
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return $this->_generator; |
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} |
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/** |
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* getCopyright |
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* |
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* @return string |
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*/ |
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public function getCopyright() |
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{ |
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return $this->_copyright; |
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} |
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/** |
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* getLastBuildDate |
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* |
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* @return string |
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*/ |
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public function getLastBuildDate() |
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{ |
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return $this->_lastbuilddate; |
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} |
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/** |
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* getImageUrl |
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* |
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* @return string |
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*/ |
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public function getImageUrl() |
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{ |
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return $this->_imageurl; |
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} |
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/** |
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* getLink |
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* |
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* @return string |
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*/ |
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public function getLink() |
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{ |
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return $this->_link; |
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} |
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/** |
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* getTitle |
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* |
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* @return string |
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*/ |
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public function getTitle() |
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{ |
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return $this->_title; |
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} |
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/** |
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* getDescription |
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* |
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* @return string |
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*/ |
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public function getDescription() |
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{ |
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return $this->_description; |
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} |
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/** |
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* getLastFetchDate |
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* |
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* @return string |
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*/ |
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public function getLastFetchDate() |
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{ |
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return $this->_lastfetchdate; |
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} |
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/** |
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* getItems |
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* |
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* @return string |
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*/ |
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public function getItems() |
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{ |
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return $this->_rssarray; |
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} |
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/** |
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* Parse rss URL |
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* |
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* @param string $urlRSS Url to parse |
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* @param int $maxNb Max nb of records to get (0 for no limit) |
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* @param int $cachedelay 0=No cache, nb of seconds we accept cache files (cachedir must also be defined) |
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* @param string $cachedir Directory where to save cache file |
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* @return int <0 if KO, >0 if OK |
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*/ |
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public function parser($urlRSS, $maxNb = 0, $cachedelay = 60, $cachedir = '') |
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{ |
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global $conf; |
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include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php'; |
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$rss = ''; |
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$str = ''; // This will contain content of feed |
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// Check parameters |
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if (!dol_is_url($urlRSS)) |
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{ |
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$this->error = "ErrorBadUrl"; |
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return -1; |
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} |
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$this->_urlRSS = $urlRSS; |
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$newpathofdestfile = $cachedir.'/'.dol_hash($this->_urlRSS, 3); // Force md5 hash (does not contains special chars) |
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$newmask = '0644'; |
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//dol_syslog("RssPArser::parser parse url=".$urlRSS." => cache file=".$newpathofdestfile); |
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$nowgmt = dol_now(); |
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// Search into cache |
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$foundintocache = 0; |
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if ($cachedelay > 0 && $cachedir) |
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{ |
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$filedate = dol_filemtime($newpathofdestfile); |
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if ($filedate >= ($nowgmt - $cachedelay)) |
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{ |
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//dol_syslog("RssParser::parser cache file ".$newpathofdestfile." is not older than now - cachedelay (".$nowgmt." - ".$cachedelay.") so we use it."); |
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$foundintocache = 1; |
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$this->_lastfetchdate = $filedate; |
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} |
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else |
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{ |
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dol_syslog(get_class($this)."::parser cache file ".$newpathofdestfile." is not found or older than now - cachedelay (".$nowgmt." - ".$cachedelay.") so we can't use it."); |
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} |
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} |
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// Load file into $str |
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if ($foundintocache) // Cache file found and is not too old |
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{ |
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$str = file_get_contents($newpathofdestfile); |
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} |
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else |
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{ |
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try { |
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ini_set("user_agent", "Dolibarr ERP-CRM RSS reader"); |
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ini_set("max_execution_time", $conf->global->MAIN_USE_RESPONSE_TIMEOUT); |
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ini_set("default_socket_timeout", $conf->global->MAIN_USE_RESPONSE_TIMEOUT); |
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$opts = array('http'=>array('method'=>"GET")); |
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if (!empty($conf->global->MAIN_USE_CONNECT_TIMEOUT)) $opts['http']['timeout'] = $conf->global->MAIN_USE_CONNECT_TIMEOUT; |
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if (!empty($conf->global->MAIN_PROXY_USE)) $opts['http']['proxy'] = 'tcp://'.$conf->global->MAIN_PROXY_HOST.':'.$conf->global->MAIN_PROXY_PORT; |
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//var_dump($opts);exit; |
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$context = stream_context_create($opts); |
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$str = file_get_contents($this->_urlRSS, false, $context); |
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} |
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catch (Exception $e) { |
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print 'Error retrieving URL '.$this->_urlRSS.' - '.$e->getMessage(); |
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} |
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} |
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if ($str !== false) |
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{ |
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// Convert $str into xml |
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if (!empty($conf->global->EXTERNALRSS_USE_SIMPLEXML)) |
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{ |
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//print 'xx'.LIBXML_NOCDATA; |
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libxml_use_internal_errors(false); |
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$rss = simplexml_load_string($str, "SimpleXMLElement", LIBXML_NOCDATA); |
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} |
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else |
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{ |
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$xmlparser = xml_parser_create(''); |
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if (!is_resource($xmlparser)) { |
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$this->error = "ErrorFailedToCreateParser"; return -1; |
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} |
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xml_set_object($xmlparser, $this); |
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xml_set_element_handler($xmlparser, 'feed_start_element', 'feed_end_element'); |
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xml_set_character_data_handler($xmlparser, 'feed_cdata'); |
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$status = xml_parse($xmlparser, $str); |
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xml_parser_free($xmlparser); |
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$rss = $this; |
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//var_dump($rss->_format);exit; |
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} |
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} |
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// If $rss loaded |
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if ($rss) |
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{ |
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// Save file into cache |
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if (empty($foundintocache) && $cachedir) |
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{ |
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dol_syslog(get_class($this)."::parser cache file ".$newpathofdestfile." is saved onto disk."); |
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if (!dol_is_dir($cachedir)) dol_mkdir($cachedir); |
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$fp = fopen($newpathofdestfile, 'w'); |
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if ($fp) |
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{ |
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fwrite($fp, $str); |
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fclose($fp); |
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if (!empty($conf->global->MAIN_UMASK)) $newmask = $conf->global->MAIN_UMASK; |
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@chmod($newpathofdestfile, octdec($newmask)); |
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$this->_lastfetchdate = $nowgmt; |
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} |
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else |
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{ |
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print 'Error, failed to open file '.$newpathofdestfile.' for write'; |
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} |
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} |
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unset($str); // Free memory |
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if (empty($rss->_format)) // If format not detected automatically |
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{ |
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$rss->_format = 'rss'; |
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if (empty($rss->channel)) $rss->_format = 'atom'; |
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} |
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$items = array(); |
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// Save description entries |
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if ($rss->_format == 'rss') |
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{ |
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//var_dump($rss); |
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if (!empty($conf->global->EXTERNALRSS_USE_SIMPLEXML)) |
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{ |
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if (!empty($rss->channel->language)) $this->_language = (string) $rss->channel->language; |
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if (!empty($rss->channel->generator)) $this->_generator = (string) $rss->channel->generator; |
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if (!empty($rss->channel->copyright)) $this->_copyright = (string) $rss->channel->copyright; |
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if (!empty($rss->channel->lastbuilddate)) $this->_lastbuilddate = (string) $rss->channel->lastbuilddate; |
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if (!empty($rss->channel->image->url[0])) $this->_imageurl = (string) $rss->channel->image->url[0]; |
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if (!empty($rss->channel->link)) $this->_link = (string) $rss->channel->link; |
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if (!empty($rss->channel->title)) $this->_title = (string) $rss->channel->title; |
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if (!empty($rss->channel->description)) $this->_description = (string) $rss->channel->description; |
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} |
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328
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else |
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329
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{ |
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//var_dump($rss->channel); |
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if (!empty($rss->channel['language'])) $this->_language = (string) $rss->channel['language']; |
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332
|
|
|
if (!empty($rss->channel['generator'])) $this->_generator = (string) $rss->channel['generator']; |
|
333
|
|
|
if (!empty($rss->channel['copyright'])) $this->_copyright = (string) $rss->channel['copyright']; |
|
334
|
|
|
if (!empty($rss->channel['lastbuilddate'])) $this->_lastbuilddate = (string) $rss->channel['lastbuilddate']; |
|
335
|
|
|
if (!empty($rss->image['url'])) $this->_imageurl = (string) $rss->image['url']; |
|
336
|
|
|
if (!empty($rss->channel['link'])) $this->_link = (string) $rss->channel['link']; |
|
337
|
|
|
if (!empty($rss->channel['title'])) $this->_title = (string) $rss->channel['title']; |
|
338
|
|
|
if (!empty($rss->channel['description'])) $this->_description = (string) $rss->channel['description']; |
|
339
|
|
|
} |
|
340
|
|
|
|
|
341
|
|
|
if (!empty($conf->global->EXTERNALRSS_USE_SIMPLEXML)) $items = $rss->channel->item; // With simplexml |
|
342
|
|
|
else $items = $rss->items; // With xmlparse |
|
343
|
|
|
//var_dump($items);exit; |
|
344
|
|
|
} |
|
345
|
|
|
elseif ($rss->_format == 'atom') |
|
346
|
|
|
{ |
|
347
|
|
|
//var_dump($rss); |
|
348
|
|
|
if (!empty($conf->global->EXTERNALRSS_USE_SIMPLEXML)) |
|
349
|
|
|
{ |
|
350
|
|
|
if (!empty($rss->generator)) $this->_generator = (string) $rss->generator; |
|
351
|
|
|
if (!empty($rss->lastbuilddate)) $this->_lastbuilddate = (string) $rss->modified; |
|
352
|
|
|
if (!empty($rss->link->href)) $this->_link = (string) $rss->link->href; |
|
353
|
|
|
if (!empty($rss->title)) $this->_title = (string) $rss->title; |
|
354
|
|
|
if (!empty($rss->description)) $this->_description = (string) $rss->description; |
|
355
|
|
|
} |
|
356
|
|
|
else |
|
357
|
|
|
{ |
|
358
|
|
|
//if (!empty($rss->channel['rss_language'])) $this->_language = (string) $rss->channel['rss_language']; |
|
359
|
|
|
if (!empty($rss->channel['generator'])) $this->_generator = (string) $rss->channel['generator']; |
|
360
|
|
|
//if (!empty($rss->channel['rss_copyright'])) $this->_copyright = (string) $rss->channel['rss_copyright']; |
|
361
|
|
|
if (!empty($rss->channel['modified'])) $this->_lastbuilddate = (string) $rss->channel['modified']; |
|
362
|
|
|
//if (!empty($rss->image['rss_url'])) $this->_imageurl = (string) $rss->image['rss_url']; |
|
363
|
|
|
if (!empty($rss->channel['link'])) $this->_link = (string) $rss->channel['link']; |
|
364
|
|
|
if (!empty($rss->channel['title'])) $this->_title = (string) $rss->channel['title']; |
|
365
|
|
|
//if (!empty($rss->channel['rss_description'])) $this->_description = (string) $rss->channel['rss_description']; |
|
366
|
|
|
|
|
367
|
|
|
$this->_imageurl = $this->getAtomImageUrl($rss->channel); |
|
368
|
|
|
} |
|
369
|
|
|
if (!empty($conf->global->EXTERNALRSS_USE_SIMPLEXML)) { |
|
370
|
|
|
$tmprss = xml2php($rss); $items = $tmprss['entry']; |
|
|
|
|
|
|
371
|
|
|
} // With simplexml |
|
372
|
|
|
else $items = $rss->items; // With xmlparse |
|
373
|
|
|
//var_dump($items);exit; |
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
|
$i = 0; |
|
377
|
|
|
|
|
378
|
|
|
// Loop on each record |
|
379
|
|
|
if (is_array($items)) |
|
380
|
|
|
{ |
|
381
|
|
|
foreach ($items as $item) |
|
382
|
|
|
{ |
|
383
|
|
|
//var_dump($item);exit; |
|
384
|
|
|
if ($rss->_format == 'rss') |
|
385
|
|
|
{ |
|
386
|
|
|
if (!empty($conf->global->EXTERNALRSS_USE_SIMPLEXML)) |
|
387
|
|
|
{ |
|
388
|
|
|
$itemLink = (string) $item->link; |
|
389
|
|
|
$itemTitle = (string) $item->title; |
|
390
|
|
|
$itemDescription = (string) $item->description; |
|
391
|
|
|
$itemPubDate = (string) $item->pubDate; |
|
392
|
|
|
$itemId = ''; |
|
393
|
|
|
$itemAuthor = ''; |
|
394
|
|
|
} |
|
395
|
|
|
else |
|
396
|
|
|
{ |
|
397
|
|
|
$itemLink = (string) $item['link']; |
|
398
|
|
|
$itemTitle = (string) $item['title']; |
|
399
|
|
|
$itemDescription = (string) $item['description']; |
|
400
|
|
|
$itemPubDate = (string) $item['pubdate']; |
|
401
|
|
|
$itemId = (string) $item['guid']; |
|
402
|
|
|
$itemAuthor = (string) $item['author']; |
|
403
|
|
|
} |
|
404
|
|
|
|
|
405
|
|
|
// Loop on each category |
|
406
|
|
|
$itemCategory = array(); |
|
407
|
|
|
if (is_array($item->category)) |
|
408
|
|
|
{ |
|
409
|
|
|
foreach ($item->category as $cat) |
|
410
|
|
|
{ |
|
411
|
|
|
$itemCategory[] = (string) $cat; |
|
412
|
|
|
} |
|
413
|
|
|
} |
|
414
|
|
|
} |
|
415
|
|
|
elseif ($rss->_format == 'atom') |
|
416
|
|
|
{ |
|
417
|
|
|
if (!empty($conf->global->EXTERNALRSS_USE_SIMPLEXML)) |
|
418
|
|
|
{ |
|
419
|
|
|
$itemLink = (isset($item['link']) ? (string) $item['link'] : ''); |
|
420
|
|
|
$itemTitle = (string) $item['title']; |
|
421
|
|
|
$itemDescription = $this->getAtomItemDescription($item); |
|
422
|
|
|
$itemPubDate = (string) $item['created']; |
|
423
|
|
|
$itemId = (string) $item['id']; |
|
424
|
|
|
$itemAuthor = (string) ($item['author'] ? $item['author'] : $item['author_name']); |
|
425
|
|
|
} |
|
426
|
|
|
else |
|
427
|
|
|
{ |
|
428
|
|
|
$itemLink = (isset($item['link']) ? (string) $item['link'] : ''); |
|
429
|
|
|
$itemTitle = (string) $item['title']; |
|
430
|
|
|
$itemDescription = $this->getAtomItemDescription($item); |
|
431
|
|
|
$itemPubDate = (string) $item['created']; |
|
432
|
|
|
$itemId = (string) $item['id']; |
|
433
|
|
|
$itemAuthor = (string) ($item['author'] ? $item['author'] : $item['author_name']); |
|
434
|
|
|
} |
|
435
|
|
|
} |
|
436
|
|
|
else print 'ErrorBadFeedFormat'; |
|
437
|
|
|
|
|
438
|
|
|
// Add record to result array |
|
439
|
|
|
$this->_rssarray[$i] = array( |
|
440
|
|
|
'link'=>$itemLink, |
|
|
|
|
|
|
441
|
|
|
'title'=>$itemTitle, |
|
|
|
|
|
|
442
|
|
|
'description'=>$itemDescription, |
|
|
|
|
|
|
443
|
|
|
'pubDate'=>$itemPubDate, |
|
|
|
|
|
|
444
|
|
|
'category'=>$itemCategory, |
|
|
|
|
|
|
445
|
|
|
'id'=>$itemId, |
|
|
|
|
|
|
446
|
|
|
'author'=>$itemAuthor); |
|
|
|
|
|
|
447
|
|
|
//var_dump($this->_rssarray); |
|
448
|
|
|
|
|
449
|
|
|
$i++; |
|
450
|
|
|
|
|
451
|
|
|
if ($i > $maxNb) break; // We get all records we want |
|
452
|
|
|
} |
|
453
|
|
|
} |
|
454
|
|
|
|
|
455
|
|
|
return 1; |
|
456
|
|
|
} |
|
457
|
|
|
else |
|
458
|
|
|
{ |
|
459
|
|
|
$this->error = 'ErrorFailedToLoadRSSFile'; |
|
460
|
|
|
return -1; |
|
461
|
|
|
} |
|
462
|
|
|
} |
|
463
|
|
|
|
|
464
|
|
|
|
|
465
|
|
|
|
|
466
|
|
|
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps |
|
467
|
|
|
/** |
|
468
|
|
|
* Triggered when opened tag is found |
|
469
|
|
|
* |
|
470
|
|
|
* @param string $p Start |
|
471
|
|
|
* @param string $element Tag |
|
472
|
|
|
* @param array $attrs Attributes of tags |
|
473
|
|
|
* @return void |
|
474
|
|
|
*/ |
|
475
|
|
|
public function feed_start_element($p, $element, &$attrs) |
|
476
|
|
|
{ |
|
477
|
|
|
// phpcs:enable |
|
478
|
|
|
$el = $element = strtolower($element); |
|
479
|
|
|
$attrs = array_change_key_case($attrs, CASE_LOWER); |
|
480
|
|
|
|
|
481
|
|
|
// check for a namespace, and split if found |
|
482
|
|
|
$ns = false; |
|
483
|
|
|
if (strpos($element, ':')) |
|
484
|
|
|
{ |
|
485
|
|
|
list($ns, $el) = explode(':', $element, 2); |
|
486
|
|
|
} |
|
487
|
|
|
if ($ns and $ns != 'rdf') |
|
488
|
|
|
{ |
|
489
|
|
|
$this->current_namespace = $ns; |
|
490
|
|
|
} |
|
491
|
|
|
|
|
492
|
|
|
// if feed type isn't set, then this is first element of feed identify feed from root element |
|
493
|
|
|
if (empty($this->_format)) |
|
494
|
|
|
{ |
|
495
|
|
|
if ($el == 'rdf') { |
|
496
|
|
|
$this->_format = 'rss'; |
|
497
|
|
|
$this->feed_version = '1.0'; |
|
498
|
|
|
} |
|
499
|
|
|
elseif ($el == 'rss') { |
|
500
|
|
|
$this->_format = 'rss'; |
|
501
|
|
|
$this->feed_version = $attrs['version']; |
|
502
|
|
|
} |
|
503
|
|
|
elseif ($el == 'feed') { |
|
504
|
|
|
$this->_format = 'atom'; |
|
505
|
|
|
$this->feed_version = $attrs['version']; |
|
506
|
|
|
$this->inchannel = true; |
|
507
|
|
|
} |
|
508
|
|
|
return; |
|
509
|
|
|
} |
|
510
|
|
|
|
|
511
|
|
|
if ($el == 'channel') |
|
512
|
|
|
{ |
|
513
|
|
|
$this->inchannel = true; |
|
514
|
|
|
} |
|
515
|
|
|
elseif ($el == 'item' or $el == 'entry') |
|
516
|
|
|
{ |
|
517
|
|
|
$this->initem = true; |
|
518
|
|
|
if (isset($attrs['rdf:about'])) { |
|
519
|
|
|
$this->current_item['about'] = $attrs['rdf:about']; |
|
520
|
|
|
} |
|
521
|
|
|
} |
|
522
|
|
|
|
|
523
|
|
|
// if we're in the default namespace of an RSS feed, |
|
524
|
|
|
// record textinput or image fields |
|
525
|
|
|
elseif ( |
|
526
|
|
|
$this->_format == 'rss' and |
|
527
|
|
|
$this->current_namespace == '' and |
|
528
|
|
|
$el == 'textinput' ) |
|
529
|
|
|
{ |
|
530
|
|
|
$this->intextinput = true; |
|
531
|
|
|
} |
|
532
|
|
|
|
|
533
|
|
|
elseif ( |
|
534
|
|
|
$this->_format == 'rss' and |
|
535
|
|
|
$this->current_namespace == '' and |
|
536
|
|
|
$el == 'image' ) |
|
537
|
|
|
{ |
|
538
|
|
|
$this->inimage = true; |
|
539
|
|
|
} |
|
540
|
|
|
|
|
541
|
|
|
// handle atom content constructs |
|
542
|
|
|
elseif ($this->_format == 'atom' and in_array($el, $this->_CONTENT_CONSTRUCTS)) |
|
543
|
|
|
{ |
|
544
|
|
|
// avoid clashing w/ RSS mod_content |
|
545
|
|
|
if ($el == 'content') { |
|
546
|
|
|
$el = 'atom_content'; |
|
547
|
|
|
} |
|
548
|
|
|
|
|
549
|
|
|
$this->incontent = $el; |
|
550
|
|
|
} |
|
551
|
|
|
|
|
552
|
|
|
// if inside an Atom content construct (e.g. content or summary) field treat tags as text |
|
553
|
|
|
elseif ($this->_format == 'atom' and $this->incontent) |
|
554
|
|
|
{ |
|
555
|
|
|
// if tags are inlined, then flatten |
|
556
|
|
|
$attrs_str = join(' ', array_map('map_attrs', array_keys($attrs), array_values($attrs))); |
|
557
|
|
|
|
|
558
|
|
|
$this->append_content("<$element $attrs_str>"); |
|
559
|
|
|
|
|
560
|
|
|
array_unshift($this->stack, $el); |
|
561
|
|
|
} |
|
562
|
|
|
|
|
563
|
|
|
// Atom support many links per containging element. |
|
564
|
|
|
// Magpie treats link elements of type rel='alternate' |
|
565
|
|
|
// as being equivalent to RSS's simple link element. |
|
566
|
|
|
// |
|
567
|
|
|
elseif ($this->_format == 'atom' and $el == 'link') |
|
568
|
|
|
{ |
|
569
|
|
|
if (isset($attrs['rel']) && $attrs['rel'] == 'alternate') |
|
570
|
|
|
{ |
|
571
|
|
|
$link_el = 'link'; |
|
572
|
|
|
} |
|
573
|
|
|
elseif (!isset($attrs['rel'])) |
|
574
|
|
|
{ |
|
575
|
|
|
$link_el = 'link'; |
|
576
|
|
|
} |
|
577
|
|
|
else |
|
578
|
|
|
{ |
|
579
|
|
|
$link_el = 'link_'.$attrs['rel']; |
|
580
|
|
|
} |
|
581
|
|
|
|
|
582
|
|
|
$this->append($link_el, $attrs['href']); |
|
583
|
|
|
} |
|
584
|
|
|
// set stack[0] to current element |
|
585
|
|
|
else { |
|
586
|
|
|
array_unshift($this->stack, $el); |
|
587
|
|
|
} |
|
588
|
|
|
} |
|
589
|
|
|
|
|
590
|
|
|
|
|
591
|
|
|
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps |
|
592
|
|
|
/** |
|
593
|
|
|
* Triggered when CDATA is found |
|
594
|
|
|
* |
|
595
|
|
|
* @param string $p P |
|
596
|
|
|
* @param string $text Tag |
|
597
|
|
|
* @return void |
|
598
|
|
|
*/ |
|
599
|
|
|
public function feed_cdata($p, $text) |
|
600
|
|
|
{ |
|
601
|
|
|
// phpcs:enable |
|
602
|
|
|
if ($this->_format == 'atom' and $this->incontent) |
|
603
|
|
|
{ |
|
604
|
|
|
$this->append_content($text); |
|
605
|
|
|
} |
|
606
|
|
|
else |
|
607
|
|
|
{ |
|
608
|
|
|
$current_el = join('_', array_reverse($this->stack)); |
|
609
|
|
|
$this->append($current_el, $text); |
|
610
|
|
|
} |
|
611
|
|
|
} |
|
612
|
|
|
|
|
613
|
|
|
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps |
|
614
|
|
|
/** |
|
615
|
|
|
* Triggered when closed tag is found |
|
616
|
|
|
* |
|
617
|
|
|
* @param string $p P |
|
618
|
|
|
* @param string $el Tag |
|
619
|
|
|
* @return void |
|
620
|
|
|
*/ |
|
621
|
|
|
public function feed_end_element($p, $el) |
|
622
|
|
|
{ |
|
623
|
|
|
// phpcs:enable |
|
624
|
|
|
$el = strtolower($el); |
|
625
|
|
|
|
|
626
|
|
|
if ($el == 'item' or $el == 'entry') |
|
627
|
|
|
{ |
|
628
|
|
|
$this->items[] = $this->current_item; |
|
629
|
|
|
$this->current_item = array(); |
|
630
|
|
|
$this->initem = false; |
|
631
|
|
|
} |
|
632
|
|
|
elseif ($this->_format == 'rss' and $this->current_namespace == '' and $el == 'textinput') |
|
633
|
|
|
{ |
|
634
|
|
|
$this->intextinput = false; |
|
635
|
|
|
} |
|
636
|
|
|
elseif ($this->_format == 'rss' and $this->current_namespace == '' and $el == 'image') |
|
637
|
|
|
{ |
|
638
|
|
|
$this->inimage = false; |
|
639
|
|
|
} |
|
640
|
|
|
elseif ($this->_format == 'atom' and in_array($el, $this->_CONTENT_CONSTRUCTS)) |
|
641
|
|
|
{ |
|
642
|
|
|
$this->incontent = false; |
|
643
|
|
|
} |
|
644
|
|
|
elseif ($el == 'channel' or $el == 'feed') |
|
645
|
|
|
{ |
|
646
|
|
|
$this->inchannel = false; |
|
647
|
|
|
} |
|
648
|
|
|
elseif ($this->_format == 'atom' and $this->incontent) { |
|
649
|
|
|
// balance tags properly |
|
650
|
|
|
// note: i don't think this is actually neccessary |
|
651
|
|
|
if ($this->stack[0] == $el) |
|
652
|
|
|
{ |
|
653
|
|
|
$this->append_content("</$el>"); |
|
654
|
|
|
} |
|
655
|
|
|
else { |
|
656
|
|
|
$this->append_content("<$el />"); |
|
657
|
|
|
} |
|
658
|
|
|
|
|
659
|
|
|
array_shift($this->stack); |
|
660
|
|
|
} |
|
661
|
|
|
else { |
|
662
|
|
|
array_shift($this->stack); |
|
663
|
|
|
} |
|
664
|
|
|
|
|
665
|
|
|
$this->current_namespace = false; |
|
666
|
|
|
} |
|
667
|
|
|
|
|
668
|
|
|
|
|
669
|
|
|
/** |
|
670
|
|
|
* To concat 2 string with no warning if an operand is not defined |
|
671
|
|
|
* |
|
672
|
|
|
* @param string $str1 Str1 |
|
673
|
|
|
* @param string $str2 Str2 |
|
674
|
|
|
* @return string String cancatenated |
|
675
|
|
|
*/ |
|
676
|
|
|
public function concat(&$str1, $str2 = "") |
|
677
|
|
|
{ |
|
678
|
|
|
if (!isset($str1)) { |
|
679
|
|
|
$str1 = ""; |
|
680
|
|
|
} |
|
681
|
|
|
$str1 .= $str2; |
|
682
|
|
|
} |
|
683
|
|
|
|
|
684
|
|
|
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps |
|
685
|
|
|
/** |
|
686
|
|
|
* Enter description here ... |
|
687
|
|
|
* |
|
688
|
|
|
* @param string $text Text |
|
689
|
|
|
* @return void |
|
690
|
|
|
*/ |
|
691
|
|
|
public function append_content($text) |
|
692
|
|
|
{ |
|
693
|
|
|
// phpcs:enable |
|
694
|
|
|
if ($this->initem) { |
|
695
|
|
|
$this->concat($this->current_item[$this->incontent], $text); |
|
696
|
|
|
} |
|
697
|
|
|
elseif ($this->inchannel) { |
|
698
|
|
|
$this->concat($this->channel[$this->incontent], $text); |
|
|
|
|
|
|
699
|
|
|
} |
|
700
|
|
|
} |
|
701
|
|
|
|
|
702
|
|
|
/** |
|
703
|
|
|
* smart append - field and namespace aware |
|
704
|
|
|
* |
|
705
|
|
|
* @param string $el El |
|
706
|
|
|
* @param string $text Text |
|
707
|
|
|
* @return void |
|
708
|
|
|
*/ |
|
709
|
|
|
public function append($el, $text) |
|
710
|
|
|
{ |
|
711
|
|
|
if (!$el) { |
|
712
|
|
|
return; |
|
713
|
|
|
} |
|
714
|
|
|
if ($this->current_namespace) |
|
715
|
|
|
{ |
|
716
|
|
|
if ($this->initem) { |
|
717
|
|
|
$this->concat($this->current_item[$this->current_namespace][$el], $text); |
|
718
|
|
|
} |
|
719
|
|
|
elseif ($this->inchannel) { |
|
720
|
|
|
$this->concat($this->channel[$this->current_namespace][$el], $text); |
|
|
|
|
|
|
721
|
|
|
} |
|
722
|
|
|
elseif ($this->intextinput) { |
|
723
|
|
|
$this->concat($this->textinput[$this->current_namespace][$el], $text); |
|
|
|
|
|
|
724
|
|
|
} |
|
725
|
|
|
elseif ($this->inimage) { |
|
726
|
|
|
$this->concat($this->image[$this->current_namespace][$el], $text); |
|
|
|
|
|
|
727
|
|
|
} |
|
728
|
|
|
} |
|
729
|
|
|
else { |
|
730
|
|
|
if ($this->initem) { |
|
731
|
|
|
$this->concat($this->current_item[$el], $text); |
|
732
|
|
|
} |
|
733
|
|
|
elseif ($this->intextinput) { |
|
734
|
|
|
$this->concat($this->textinput[$el], $text); |
|
735
|
|
|
} |
|
736
|
|
|
elseif ($this->inimage) { |
|
737
|
|
|
$this->concat($this->image[$el], $text); |
|
738
|
|
|
} |
|
739
|
|
|
elseif ($this->inchannel) { |
|
740
|
|
|
$this->concat($this->channel[$el], $text); |
|
741
|
|
|
} |
|
742
|
|
|
} |
|
743
|
|
|
} |
|
744
|
|
|
|
|
745
|
|
|
/** |
|
746
|
|
|
* Return a description/summary for one item from a ATOM feed |
|
747
|
|
|
* |
|
748
|
|
|
* @param array $item A parsed item of a ATOM feed |
|
749
|
|
|
* @param int $maxlength (optional) The maximum length for the description |
|
750
|
|
|
* @return string A summary description |
|
751
|
|
|
*/ |
|
752
|
|
|
private function getAtomItemDescription(array $item, $maxlength = 500) |
|
753
|
|
|
{ |
|
754
|
|
|
$result = ""; |
|
755
|
|
|
|
|
756
|
|
|
if (isset($item['summary'])) |
|
757
|
|
|
{ |
|
758
|
|
|
$result = $item['summary']; |
|
759
|
|
|
} |
|
760
|
|
|
elseif (isset($item['atom_content'])) |
|
761
|
|
|
{ |
|
762
|
|
|
$result = $item['atom_content']; |
|
763
|
|
|
} |
|
764
|
|
|
|
|
765
|
|
|
// remove all HTML elements that can possible break the maximum size of a tooltip, |
|
766
|
|
|
// like headings, image, video etc. and allow only simple style elements |
|
767
|
|
|
$result = strip_tags($result, "<br><p><ul><ol><li>"); |
|
768
|
|
|
|
|
769
|
|
|
$result = str_replace("\n", "", $result); |
|
770
|
|
|
|
|
771
|
|
|
if (strlen($result) > $maxlength) |
|
772
|
|
|
{ |
|
773
|
|
|
$result = substr($result, 0, $maxlength); |
|
774
|
|
|
$result .= "..."; |
|
775
|
|
|
} |
|
776
|
|
|
|
|
777
|
|
|
return $result; |
|
778
|
|
|
} |
|
779
|
|
|
|
|
780
|
|
|
/** |
|
781
|
|
|
* Return a URL to a image of the given ATOM feed |
|
782
|
|
|
* |
|
783
|
|
|
* @param array $feed The ATOM feed that possible contain a link to a logo or icon |
|
784
|
|
|
* @return string A URL to a image from a ATOM feed when found, otherwise a empty string |
|
785
|
|
|
*/ |
|
786
|
|
|
private function getAtomImageUrl(array $feed) |
|
787
|
|
|
{ |
|
788
|
|
|
if (isset($feed['icon'])) |
|
789
|
|
|
{ |
|
790
|
|
|
return $feed['logo']; |
|
791
|
|
|
} |
|
792
|
|
|
|
|
793
|
|
|
if (isset($feed['icon'])) |
|
794
|
|
|
{ |
|
795
|
|
|
return $feed['logo']; |
|
796
|
|
|
} |
|
797
|
|
|
|
|
798
|
|
|
if (isset($feed['webfeeds:logo'])) |
|
799
|
|
|
{ |
|
800
|
|
|
return $feed['webfeeds:logo']; |
|
801
|
|
|
} |
|
802
|
|
|
|
|
803
|
|
|
if (isset($feed['webfeeds:icon'])) |
|
804
|
|
|
{ |
|
805
|
|
|
return $feed['webfeeds:icon']; |
|
806
|
|
|
} |
|
807
|
|
|
|
|
808
|
|
|
if (isset($feed['webfeeds:wordmark'])) |
|
809
|
|
|
{ |
|
810
|
|
|
return $feed['webfeeds:wordmark']; |
|
811
|
|
|
} |
|
812
|
|
|
|
|
813
|
|
|
return ""; |
|
814
|
|
|
} |
|
815
|
|
|
} |
|
816
|
|
|
|
|
817
|
|
|
|
|
818
|
|
|
/** |
|
819
|
|
|
* Function to convert an XML object into an array |
|
820
|
|
|
* |
|
821
|
|
|
* @param SimpleXMLElement $xml Xml |
|
822
|
|
|
* @return void |
|
823
|
|
|
*/ |
|
824
|
|
|
function xml2php($xml) |
|
825
|
|
|
{ |
|
826
|
|
|
$fils = 0; |
|
827
|
|
|
$tab = false; |
|
828
|
|
|
$array = array(); |
|
829
|
|
|
foreach ($xml->children() as $key => $value) |
|
830
|
|
|
{ |
|
831
|
|
|
$child = xml2php($value); |
|
|
|
|
|
|
832
|
|
|
|
|
833
|
|
|
//To deal with the attributes |
|
834
|
|
|
foreach ($value->attributes() as $ak=>$av) |
|
835
|
|
|
{ |
|
836
|
|
|
$child[$ak] = (string) $av; |
|
837
|
|
|
} |
|
838
|
|
|
|
|
839
|
|
|
//Let see if the new child is not in the array |
|
840
|
|
|
if ($tab === false && in_array($key, array_keys($array))) |
|
841
|
|
|
{ |
|
842
|
|
|
//If this element is already in the array we will create an indexed array |
|
843
|
|
|
$tmp = $array[$key]; |
|
844
|
|
|
$array[$key] = null; |
|
845
|
|
|
$array[$key][] = $tmp; |
|
846
|
|
|
$array[$key][] = $child; |
|
847
|
|
|
$tab = true; |
|
848
|
|
|
} |
|
849
|
|
|
elseif ($tab === true) |
|
850
|
|
|
{ |
|
851
|
|
|
//Add an element in an existing array |
|
852
|
|
|
$array[$key][] = $child; |
|
853
|
|
|
} |
|
854
|
|
|
else |
|
855
|
|
|
{ |
|
856
|
|
|
//Add a simple element |
|
857
|
|
|
$array[$key] = $child; |
|
858
|
|
|
} |
|
859
|
|
|
|
|
860
|
|
|
$fils++; |
|
861
|
|
|
} |
|
862
|
|
|
|
|
863
|
|
|
|
|
864
|
|
|
if ($fils == 0) |
|
865
|
|
|
{ |
|
866
|
|
|
return (string) $xml; |
|
867
|
|
|
} |
|
868
|
|
|
|
|
869
|
|
|
return $array; |
|
870
|
|
|
} |
|
871
|
|
|
|