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PATH: home / letacommog / letaweb / admin / classes / socialEmbed / MediaEmbed

<?php

if (!defined('DS')) {
    define('DS', DIRECTORY_SEPARATOR);
}
include dirname(__FILE__).DS.'Object'.DS.'MediaObject.php';
/**
 * A utility that generates HTML embed tags for audio or video located on a given URL.
 * It also parses and validates given media URLs.
 *
 * @author MarkScherer
 * @license MIT
 */
class MediaEmbed
{
    protected $_match;

protected $_hosts = array();

/**
     * See MediaObject for details.
     */
    public $config = array();

/**
     * Loads stubs.
     */
    public function __construct($config = array())
    {
        include dirname(__FILE__).DS.'Data'.DS.'stubs.php';
        $this->setHosts($stubs);
        $this->config = $config += $this->config;
    }

/**
     * Prepare embed video from different video hosts.
     *
     * @param array $data:
     *                           - id
     *                           - host (slugged)
     * @param array $flashParams
     *
     * @return \MediaEmbed\Object\MediaObject|null
     */
    public function parseId($id, $host, $config = array())
    {
        if (empty($id) || empty($host)) {
            return;
        }

// local files?
        if ($host === 'local') {
            $res = $this->embedLocal($id);
            if (!$res) {
                $stub = array();
                $Object = $this->object($stub, $config);

return $Object;
            }
            //TODO
            return;
        }

// all other hosts
        if (!($host = $this->getHost($host))) {
            var_dump($host);

return;
        }
        $stub = $host;
        $config += $this->config;

$stub['id'] = $id;
        $stub['reverse'] = true;
        $Object = $this->object($stub, $config);

return $Object;
    }

/**
     * Parse given URL.
     *
     * It will return an object if the url contains valid/supported video.
     *
     * @param $url string - href to check for embeded video
     * @param array $config
     *
     * @return \MediaEmbed\Object\MediaObject|null
     */
    public function parseUrl($url, $config = array())
    {
        //print_r($this->_hosts);
        foreach ($this->_hosts as $stub) {
            if ($match = $this->_matchUrl($url, (array) $stub['url-match'])) {
                $this->_match = $match;

if (!empty($stub['fetch-match'])) {
                    if (!$this->_parseLink($url, $stub['fetch-match'])) {
                        return;
                    }
                }

$stub['match'] = $this->_match;
                $Object = $this->object($stub, $config + $this->config);

return $Object;
            }
        }
    }

/**
     * MediaEmbed::_match().
     *
     * @param string $url
     * @param array  $regexRules
     *
     * @return array
     */
    protected function _matchUrl($url, $regexRules)
    {
        foreach ($regexRules as $regexRule) {
            if (preg_match('~'.$regexRule.'~imu', $url, $match)) {
                return $match;
            }
        }

return array();
    }

/**
     * Attempt to parse the embed id from a given URL.
     */
    protected function _parseLink($url, $regex)
    {
        $context = stream_context_create(
            array('http' => array('header' => 'Connection: close')));
        $source = preg_replace('/[^(\x20-\x7F))*/', '', file_get_contents($url, 0, $context));

if (preg_match('~'.$regex.'~imu', $source, $match)) {
            $this->_match = $match;

return true;
        }

return false;
    }

/**
     * Set custom stubs overwriting the default ones.
     *
     * @param array $stubs Same format as in the stubs.php file.
     * @param array $reset If default ones should be resetted/removed.
     *
     * @return $this
     */
    public function setHosts(array $stubs, $reset = false)
    {
        if ($reset) {
            $this->_hosts = array();
        }
        foreach ($stubs as $stub) {
            $slug = $this->_slug($stub['name']);
            $this->_hosts[$slug] = $stub;
        }

return $this;
    }

/**
     * @param array $whitelist (alias/keys)
     *
     * @return array hostInfos or false on failure
     */
    public function getHosts($whitelist = array())
    {
        if ($whitelist) {
            $res = array();
            foreach ($this->_hosts as $slug => $host) {
                if (!in_array($slug, $whitelist)) {
                    continue;
                }
                $res[$slug] = $host;
            }

return $res;
        }

return $this->_hosts;
    }

/**
     * @param string $alias
     *
     * @return array hostInfos or false on failure
     */
    public function getHost($alias)
    {
        if (!$this->_hosts) {
            $this->_hosts = $this->getHosts();
        }
        if (empty($this->_hosts[$alias])) {
            return false;
        }

return $this->_hosts[$alias];
    }

/**
     * Create the embed code for a local file.
     *
     * @param $file string - the file we are wanting to embed
     *
     * @return bool Whether or not the url contains valid/supported video
     */
    public function embedLocal($file)
    {
        return false;
    }

public function object($stub, array $config = array())
    {
        if (!is_array($stub)) {
            $host = $this->getHost($stub);
            if (!$host) {
                return;
            }
            $stub = $host;
        }
        if (!isset($stub['slug']) && !empty($stub['name'])) {
            $stub['slug'] = $this->_slug($stub['name']);
        }

return new MediaObject($stub, $config);
    }

/**
     * Slugify a string.
     *
     * @param string $text
     *
     * @return string
     */
    protected function _slug($text)
    {
        // replace non letter or digits by -
        $text = preg_replace('~[^\\pL\d]+~u', '-', $text);

// trim
        $text = trim($text, '-');

// transliterate
        $text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);

// lowercase
        $text = strtolower($text);

// remove unwanted characters
        $text = preg_replace('~[^-\w]+~', '', $text);

return $text;
    }

/* deprecated */

/**
     * Contains the preg info
     * DOES NOT contain width/height etc.
     */
    public $availableTypes = array(
        'youtube' => array(
            'iframe' => 'http://www.youtube.com/embed/{id}',
            'swf' => 'http://www.youtube.com/v/{id}',
            'url' => 'http://www.youtube.com/watch?v={id}&t={t}',
        ),
        'google' => array(
        ),
        'myvideo' => array(
            'swf' => 'http://www.myvideo.de/movie/',
            'url' => array('http://www.myvideo.de/watch/', 'http://www.myvideo.ch/watch/', 'http://www.myvideo.at/watch/'),
        ),
        'vimeo' => array(
            'iframe' => 'http://player.vimeo.com/video/{id}',
            //'swf' => '',
            'url' => '',
        ),
        'dailymotion' => array(
            'swf' => 'http://www.dailymotion.com/embed/video/{id}',
            //'url' => 'http://www.dailymotion.com'
        ),
        'videojug' => array(
        ),
        'revver' => array(
        ),
    );

public $availableNonJSTypes = array(
        'youtube' => '<iframe src="http://www.youtube.com/embed/{id}" width="100%" height="385" frameborder="0"></iframe>',
        'vimeo' => '<iframe src="http://player.vimeo.com/video/{id}" width="100%" height="385" frameborder="0"></iframe>',
        'google' => '<embed id="test" src="http://video.google.com/googleplayer.swf?docid={id}&hl=de&fs=true" style="width:100%;height:385px" allowFullScreen="true" allowScriptAccess="always" type="application/x-shockwave-flash"></embed>',
        'myvideo' => '<embed src="http://www.myvideo.de/movie/{id}" width="100%" height="385" type="application/x-shockwave-flash"></embed>',
        #'flv' => '',
        #'mp4' => ''
        'dailymotion' => '<iframe frameborder="0" width="100%" height="385" src="http://www.dailymotion.com/embed/video/{id}?width=&theme=none&foreground=%23F7FFFD&highlight=%23FFC300&background=%23171D1B&start=&animatedTitle=&iframe=1&additionalInfos=0&autoPlay=0&hideInfos=0"></iframe>',
        //'dailymotion' => '<object width="480" height="269"><param name="movie" value="http://www.dailymotion.com/swf/video/{id}?additionalInfos=0" width="480" height="269" allowfullscreen="true" allowscriptaccess="always"></embed></object>',
        'videojug' => '<embed src="http://www.videojug.com/player?id={id}" type="application/x-shockwave-flash" width="100%" height="385" allowFullScreen="true" allowScriptAccess="always"></embed>',
        'revver' => '<embed type="application/x-shockwave-flash" src="http://flash.revver.com/player/1.0/player.swf?mediaId={id}" pluginspage="http://www.macromedia.com/go/getflashplayer" allowScriptAccess="always" flashvars="allowFullScreen=true" allowfullscreen="true" height="385" width="100%"></embed>',
        'xvideos' => '<embed src="http://static.xvideos.com/swf/flv_player_site_v4.swf" allowscriptaccess="always" width="100%" height="385" menu="false" quality="high" bgcolor="#000000" allowfullscreen="true" flashvars="id_video={id}" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />',
    );

public $_ojectParamAttr = array(
        'allowscriptaccess' => 'always',
        'allowfullscreen' => 'true',
    );

public $_embedAttr = array(
        'allowfullscreen' => 'true',
        '',
    );
}

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