Initial checkin. Mostly a copy of the EmbedVideo code from Jimbojw, p…

…lus teachertube improvements, CREDITS, and a separate LICENSE file

CREDITS

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+Original version developed by Jim R. Wilson (jimbojw)
+Subsequent improvements added by (alphabetical order)
+
+Andrew Whitworth (Whiteknight)

EmbedVideo.php

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+<?php
+/*
+ * EmbedVideo.php - Adds a parser function aembedding video from popular sources.
+ * @author Jim R. Wilson
+ * @version 0.1.2
+ * @copyright Copyright (C) 2007 Jim R. Wilson
+ * @license The MIT License - http://www.opensource.org/licenses/mit-license.php
+ * -----------------------------------------------------------------------
+ * Description:
+ *     This is a MediaWiki extension which adds a parser function for embedding
+ *     video from popular sources (configurable).
+ * Requirements:
+ *     MediaWiki 1.6.x, 1.9.x, 1.10.x or higher
+ *     PHP 4.x, 5.x or higher.
+ * Installation:
+ *     1. Create a folder $IP/extensions/EmbedVideo
+ *     2. Drop this script (EmbedVideo.php) in your folder
+ *         Note: $IP is your MediaWiki install dir.
+ *     3. Enable the extension by adding this line to your LocalSettings.php:
+ *         require_once('$IP/extensions/EmbedVideo/EmbedVideo.php');
+ * -----------------------------------------------------------------------
+ */
+
+# Confirm MW environment
+if (defined('MEDIAWIKI')) {
+
+# Credits
+$wgExtensionCredits['parserhook'][] = array(
+    'name'=>'EmbedVideo',
+    'author'=>'Jim R. Wilson and Andrew Whitworth',
+    'url'=>'http://www.mediawiki.org/wiki/Extension:EmbedVideo',
+    'description'=>'Adds a parser function embedding video from popular sources.',
+    'version'=>'0.1.2'
+);
+
+/**
+ * Wrapper class for encapsulating EmbedVideo related parser methods
+ */
+class EmbedVideo {
+
+    /**
+     * Sets up parser functions.
+     */
+    function setup( ) {
+
+        # Setup parser hook
+        global $wgParser, $wgVersion;
+        $hook = (version_compare($wgVersion, '1.7', '<')?'#ev':'ev');
+        $wgParser->setFunctionHook( $hook, array($this, 'parserFunction'));
+
+        # Add system messages
+        global $wgMessageCache;
+        $wgMessageCache->addMessage('embedvideo-missing-params', 'EmbedVideo is missing a required parameter.');
+        $wgMessageCache->addMessage('embedvideo-bad-params', 'EmbedVideo received a bad parameter.');
+        $wgMessageCache->addMessage('embedvideo-unparsable-param-string', 'EmbedVideo received the unparsable parameter string "<tt>$1</tt>".');
+        $wgMessageCache->addMessage('embedvideo-unrecognized-service', 'EmbedVideo does not recognize the video service "<tt>$1</tt>".');
+        $wgMessageCache->addMessage('embedvideo-bad-id', 'EmbedVideo received the bad id "$1" for the service "$2".');
+        $wgMessageCache->addMessage('embedvideo-illegal-width', 'EmbedVideo received the illegal width parameter "$1".');
+        $wgMessageCache->addMessage('embedvideo-embed-clause',
+            '<object width="$2" height="$3">'.
+            '<param name="movie" value="$1"></param>'.
+            '<param name="wmode" value="transparent"></param>'.
+            '<embed src="$1" type="application/x-shockwave-flash" '.
+            'wmode="transparent" width="$2" height="$3">'.
+            '</embed></object>'
+        );
+    }
+
+    /**
+     * Adds magic words for parser functions.
+     * @param Array $magicWords
+     * @param $langCode
+     * @return Boolean Always true
+     */
+    function parserFunctionMagic( &$magicWords, $langCode='en' ) {
+        $magicWords['ev'] = array( 0, 'ev' );
+        return true;
+    }
+
+    /**
+     * Embeds video of the chosen service
+     * @param Parser $parser Instance of running Parser.
+     * @param String $service Which online service has the video.
+     * @param String $id Identifier of the chosen service
+     * @param String $width Width of video (optional)
+     * @return String Encoded representation of input params (to be processed later)
+     */
+    function parserFunction( $parser, $service=null, $id=null, $width=null ) {
+        global $wgScriptPath;
+
+        if ($service===null || $id===null) return '<div class="errorbox">'.wfMsg('embedvideo-missing-params').'</div>';
+
+        $params = array(
+            'service' => trim($service),
+            'id' => trim($id),
+            'width' => ($width===null?null:trim($width)),
+        );
+
+        global $wgEmbedVideoMinWidth, $wgEmbedVideoMaxWidth;
+        if (!is_numeric($wgEmbedVideoMinWidth) || $wgEmbedVideoMinWidth<100) $wgEmbedVideoMinWidth = 100;
+        if (!is_numeric($wgEmbedVideoMaxWidth) || $wgEmbedVideoMaxWidth>1024) $wgEmbedVideoMaxWidth = 1024;
+
+        global $wgEmbedVideoServiceList;
+        $service = $wgEmbedVideoServiceList[$params['service']];
+        if (!$service) return '<div class="errorbox">'.wfMsg('embedvideo-unrecognized-service', @htmlspecialchars($params['service'])).'</div>';
+
+        $id = htmlspecialchars($params['id']);
+        $idpattern = ( isset($service['id_pattern']) ? $service['id_pattern'] : '%[^A-Za-z0-9_\\-]%' );
+        if ($id==null || preg_match($idpattern,$id)) {
+            return '<div class="errorbox">'.wfMsgForContent('embedvideo-bad-id', $id, @htmlspecialchars($params['service'])).'</div>';
+        }
+
+        $parser->disableCache();
+        $clause = $service['extern'];
+        if (isset($clause)) {
+            $path = $wgScriptPath . "/extensions/EmbedVideo";
+            return array(wfMsgReplaceArgs($clause, array($path, $id)), 'noparse' => true, 'isHTML' => true);
+        }
+
+        # Build URL and output embedded flash object
+        $ratio = 425 / 350;
+        $width = 425;
+
+        if ($params['width']!==null) {
+            if (
+                !is_numeric($params['width']) ||
+                $params['width'] < $wgEmbedVideoMinWidth ||
+                $params['width'] > $wgEmbedVideoMaxWidth
+            ) return
+                '<div class="errorbox">'.
+                wfMsgForContent('embedvideo-illegal-width', @htmlspecialchars($params['width'])).
+                '</div>';
+            $width = $params['width'];
+        }
+        $height = round($width / $ratio);
+        $url = wfMsgReplaceArgs($service['url'], array($id, $width, $height));
+
+        return $parser->insertStripItem(
+            wfMsgForContent('embedvideo-embed-clause', $url, $width, $height),
+            $parser->mStripState
+        );
+    }
+
+}
+
+/**
+ * Wrapper function for language magic call (hack for 1.6
+ */
+
+# Create global instance and wire it up!
+$wgEmbedVideo = new EmbedVideo();
+$wgExtensionFunctions[] = array($wgEmbedVideo, 'setup');
+if (version_compare($wgVersion, '1.7', '<')) {
+    # Hack solution to resolve 1.6 array parameter nullification for hook args
+    function wfEmbedVideoLanguageGetMagic( &$magicWords ) {
+        global $wgEmbedVideo;
+        $wgEmbedVideo->parserFunctionMagic( $magicWords );
+        return true;
+    }
+    $wgHooks['LanguageGetMagic'][] = 'wfEmbedVideoLanguageGetMagic';
+} else {
+    $wgHooks['LanguageGetMagic'][] = array($wgEmbedVideo, 'parserFunctionMagic');
+}
+
+# Build services list (may be augmented in LocalSettings.php)
+$wgEmbedVideoServiceList = array(
+    'dailymotion' => array(
+        'url' => 'http://www.dailymotion.com/swf/$1'
+    ),
+    'funnyordie' => array(
+        'url' =>
+            'http://www.funnyordie.com/v1/flvideo/fodplayer.swf?file='.
+            'http://funnyordie.vo.llnwd.net/o16/$1.flv&autoStart=false'
+    ),
+    'teachertube' => array(
+        'extern' => '<iframe width="490" height="295" src="$1/TeacherTube.html?id=$2"></iframe>'
+    ),
+    'googlevideo' => array(
+        'id_pattern'=>'%[^0-9\\-]%',
+        'url' => 'http://video.google.com/googleplayer.swf?docId=$1'
+    ),
+    'sevenload' => array(
+        'url' => 'http://page.sevenload.com/swf/en_GB/player.swf?id=$1'
+    ),
+    'revver' => array(
+        'url' => 'http://flash.revver.com/player/1.0/player.swf?mediaId=$1'
+    ),
+    'youtube' => array(
+        'url'=>'http://www.youtube.com/v/$1'
+    )
+);
+
+}

LICENSE

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+Copyright (c) 2007-2010 EmbedVideo contributors. See CREDITS for complete
+list of contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.

TeacherTube.html

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+<script type="text/javascript">
+    var qs = window.location.search.substring(1);
+    var parts = qs.split("=");
+    var id = parts[1];
+    document.write('<embed src="http://www.teachertube.com/embed/player.swf" ' +
+        'width="470" ' +
+        'height="275" ' +
+        'bgcolor="undefined" ' +
+        'allowscriptaccess="always" ' +
+        'allowfullscreen="true" ' +
+        'flashvars="file=http://www.teachertube.com/embedFLV.php?pg=video_' + id +
+        '&menu=false&frontcolor=ffffff&lightcolor=FF0000&logo=http://www.teachertube.com/www3/images/greylogo.swf&skin=http://www.teachertube.com/embed/overlay.swf&volume=80&controlbar=over&displayclick=link &viral.link=http://www.teachertube.com/viewVideo.php?video_id=' + id + '&stretching=exactfit&plugins=viral-2&viral.callout=none&viral.onpause=false"' +
+        '/>');
+</script>