class.tslib_mediawizardcoreprovider.php

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<?php
/***************************************************************
 *  Copyright notice
 *
 *  (c) 2010-2011 Aishwara M.B. (aishu.moorthy@gmail.com)
 *  All rights reserved
 *
 *  This script is part of the TYPO3 project. The TYPO3 project is
 *  free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  The GNU General Public License can be found at
 *  http://www.gnu.org/copyleft/gpl.html.
 *  A copy is found in the textfile GPL.txt and important notices to the license
 *  from the author is found in LICENSE.txt distributed with these scripts.
 *
 *
 *  This script is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  This copyright notice MUST APPEAR in all copies of the script!
 ***************************************************************/
/**
 * Contains an implementation of the mediaWizardProvider supporting some
 * well known providers.
 *
 * $Id: $

 * @author  Aishwara M.B.<aishu.moorthy@gmail.com>
 * @author  Steffen Kamper <info@sk-typo3.de>
 * @author  Ernesto Baschny <ernst@cron-it.de>
 */


class tslib_mediaWizardCoreProvider implements tslib_mediaWizardProvider {

    /**
     * @var array List of providers we can handle in this class
     */
    protected $providers = array(
        'youtube',
        'dailymotion',
        'sevenload',
        'vimeo',
        'clipfish',
        'google',
        'metacafe',
        'myvideo',
        'liveleak',
        'veoh'
    );

    /**
     * Checks if we have a valid method for processing a given URL.
     *
     * This is done by analysing the hostname of the URL and checking if it contains
     * any of our provider tags defined in $this->providers.
     *
     * @param  $url
     * @return string
     */
    protected function getMethod($url) {
        $urlInfo = @parse_url($url);
        if ($urlInfo === FALSE) {
            return NULL;
        }
        $hostName = t3lib_div::trimExplode('.', $urlInfo['host'], TRUE);
        foreach ($this->providers as $provider) {
            $functionName = 'process_' . $provider;
            if (in_array($provider, $hostName) && is_callable(array($this, $functionName))) {
                return $functionName;
            }
        }
        return NULL;
    }

    /***********************************************
     *
     * Implementation of tslib_mediaWizardProvider
     *
     ***********************************************/

    /**
     * @param  $url
     * @return bool
     * @see tslib_mediaWizardProvider::canHandle
     */
    public function canHandle($url) {
        return ($this->getMethod($url) !== NULL);
    }

    /**
     * @param  $url URL to rewrite
     * @return string The rewritten URL
     * @see tslib_mediaWizardProvider::rewriteUrl
     */
    public function rewriteUrl($url) {
        $method = $this->getMethod($url);
        return $this->$method($url);
    }

    /***********************************************
     *
     * Providers URL rewriting:
     *
     ***********************************************/

    /**
     * Parse youtube url
     *
     * @param string $url
     * @return string processed url
     */
    protected function process_youtube($url) {
        $videoId = '';
        if (strpos($url, '/user/') !== FALSE) {
                // it's a channel
            $parts = explode('/', $url);
            $videoId = $parts[count($parts) - 1];
        } else if (preg_match('/v=([^(\&|$)]*)/', $url, $matches)) {
            $videoId = $matches[1];
        }

        if ($videoId) {
            $url = 'http://www.youtube.com/v/' . $videoId . '?fs=1';
        }
        return $url;
    }

    /**
     * Parse dailymotion url
     *
     * @param string $url
     * @return string processed url
     */
    protected function process_dailymotion($url) {
        $parts = explode('video/', $url);
        $videoId = $parts[1];
        if (strpos($videoId, '/') !== FALSE) {
            $videoId = substr($videoId, 0, strpos($videoId, '/'));
        }
        return 'http://www.dailymotion.com/swf/' . $videoId;
    }

    /**
     * Parse sevenload url
     *
     * @param string $url
     * @return string processed url and preview image
     */
    protected function process_sevenload($url) {
        $parts = explode('/', $url);
        $videoId = $parts[count($parts) - 1];
        if (strpos($videoId, '-') !== FALSE) {
            $videoId = substr($videoId, 0, strpos($videoId, '-'));
        }
        return 'http://de.sevenload.com/pl/' . $videoId . '/400x500/swf';
    }

    /**
     * Parse vimeo url
     *
     * Supports:
     * - http://vimeo.com/hd#<id>
     * - http://vimeo.com/<id>
     * - http://player.vimeo.com/video/<id>
     *
     * @param string $url
     * @return string processed url
     */
    protected function process_vimeo($url) {
        if (preg_match('/[\/#](\d+)$/', $url, $matches)) {
            $videoId = $matches[1];
            $url = 'http://vimeo.com/moogaloop.swf?&server=vimeo.com&show_title=1&show_byline=1&show_portrait=0&fullscreen=1&clip_id=' .
                $videoId;
        }
        return $url;
    }

    /**
     * Parse clipfish url
     *
     * @param string $url
     * @return string processed url
     */
    protected function process_clipfish($url) {
        if (preg_match('/video([^(\&|$)]*)/', $url, $matches)) {
            $parts = explode('/', $matches[1]);
            $videoId = $parts[1];
            $url = 'http://www.clipfish.de/cfng/flash/clipfish_player_3.swf?as=0&r=1&noad=1&fs=1&vid=' . $videoId;
        }
        return $url;
    }


    /**
     * Parse google url
     *
     * @param string $url
     * @return string processed url
     */
    protected function process_google($url) {
        if (preg_match('/docid=([^(\&|$)]*)/', $url, $matches)) {
            $videoId = $matches[1];
            $url = 'http://video.google.com/googleplayer.swf?docid=' . $videoId;
        }
        return $url;
    }

    /**
     * Parse metacafe url
     *
     * @param string $url
     * @return string processed url
     */

    protected function process_metacafe($url) {
        if (preg_match('/watch([^(\&|$)]*)/', $url, $matches)) {
            $parts = explode('/', $matches[1]);
            $videoId = $parts[1];
            $url = 'http://www.metacafe.com/fplayer/' . $videoId . '/.swf';
        }
        return $url;
    }

    /**
     * Parse myvideo url
     *
     * @param string $url
     * @return string processed url
     */

    protected function process_myvideo($url) {
        preg_match('/watch([^(\&|$)]*)/', $url, $matches);
        $parts = explode('/', $matches[1]);
        $videoId = $parts[1];

        return 'http://www.myvideo.de/movie/' . $videoId . '/';
    }


    /**
     * Parse liveleak url
     *
     * @param string $url
     * @return string processed url
     */
    protected function process_liveleak($url) {
        preg_match('/i=([^(\&|$)]*)/', $url, $matches);
        $videoId = $matches[1];

        return 'http://www.liveleak.com/e/' . $videoId;
    }

    /**
     * Parse veoh url
     *
     * @param string $url
     * @return string processed url
     */
    protected function process_veoh($url) {
        preg_match('/watch\/([^(\&|$)]*)/', $url, $matches);
        $videoId = $matches[1];

        return 'http://www.veoh.com/static/swf/webplayer/WebPlayer.swf?version=AFrontend.5.5.2.1001&permalinkId=' . $videoId;
    }

}

if (defined('TYPO3_MODE') && isset($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['tslib/class.tslib_mediawizardcoreprovider.php'])) {
    include_once($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['tslib/class.tslib_mediawizardcoreprovider.php']);
}

?>