ItemAddEmbedVideo.inc

   1 <?php
   2 /*
   3  * Gallery - a web based photo album viewer and editor
   4  * Copyright (C) 2000-2007 Bharat Mediratta
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or (at
   9  * your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
  19  */
  20
  21 GalleryCoreApi::requireOnce('modules/gd/classes/GdToolkitHelper.class');
  22
  23
  24 /**
  25  * This plugin will handle the addition of embedded video objects
  26  * @package embedVideo
  27  * @subpackage UserInterface
  28  * @author Alan Pippin <apippin@pippins.net>
  29  * @version $Revision: 1.1 $
  30  */
  31 class ItemAddEmbedVideo extends ItemAddPlugin {
  32
  33   /**
  34    * @see ItemAddPlugin::handleRequest
  35    */
  36  function handleRequest($form, &$item) {
  37    global $gallery;
  38
  39    $status = $error = array();
  40
  41    if (isset($form['action']['addEmbedVideoPage'])) {
  42
  43        $platform =& $gallery->getPlatform();
  44
  45        if (empty($extraHeaders)) {
  46            $extraHeaders = array('Referer' => str_replace('&amp;', '&', $url));
  47        }
  48
  49        if(isset($form['webPage']['URL'])) {
  50
  51            /* Load any stored/set Parameters */
  52            list ($ret, $params) =
  53              GalleryCoreApi::fetchAllPluginParameters('module', 'embedvideo');
  54            if ($ret) {
  55                return array($ret, null, null);
  56            }
  57            foreach (array('default', 'override') as $type) {
  58                $ItemAddUploadApplet[$type] = array();
  59                if (!empty($params['embedvideo' . $type . 'Variables'])) {
  60                    $variablesArray = explode('|', $params['embedvideo' . $type . 'Variables']);
  61                    foreach ($variablesArray as $variable) {
  62                        list ($name, $value) = explode('=', $variable);
  63                        $ItemAddEmbedVideo[$type][$name] = $value;
  64                        /* print "type: $type name: $name value: $value <br>"; */
  65                    }
  66                }
  67            }
  68
  69            /* Store any Parameters into some simpler, shorter, local variables */
  70            global $debugOutput, $useInternalFlvPlayer, $youtubeDevId;
  71            global $width, $height, $externalFlvPlayer, $externalFlvPlayerVars;
  72            global $flvThumbnail, $useRemoteSize, $autoStart;
  73
  74            /* Find out what value our parameters should have by looking to see if they
  75             * are defined in our overrides section or default section. If they are not
  76             * defined in either of these 2 places, pass in a default value to set them to
  77             */
  78            $debugOutput = $this->getParameter($ItemAddEmbedVideo, 'debugOutput', "false");
  79            $useInternalFlvPlayer = $this->getParameter($ItemAddEmbedVideo, 'useInternalFlvPlayer', "true");
  80            $youtubeDevId = $this->getParameter($ItemAddEmbedVideo, 'youtubeDevId', "");
  81            $youtubeShowRelated = $this->getParameter($ItemAddEmbedVideo, 'youtubeShowRelated', "false");
  82            $width = $this->getParameter($ItemAddEmbedVideo, 'width', "320");
  83            $height = $this->getParameter($ItemAddEmbedVideo, 'height', "240");
  84            $externalFlvPlayer = $this->getParameter($ItemAddEmbedVideo, 'externalFlvPlayer', "");
  85            $externalFlvPlayerVars = $this->getParameter($ItemAddEmbedVideo, 'externalFlvPlayerVars', "");
  86            $flvThumbnail = $this->getParameter($ItemAddEmbedVideo, 'flvThumbnail', "");
  87            $useRemoteSize = $this->getParameter($ItemAddEmbedVideo, 'useRemoteSize', "false");
  88            $autoStart = $this->getParameter($ItemAddEmbedVideo, 'autoStart', "false");
  89
  90            /* Print our stored/set Parameters */
  91            if(!strcmp($debugOutput,"true")) {
  92              print "<hr>";
  93              print "<h2>Variable Parameters</h2>";
  94              print "debugOutput=$debugOutput<br>";
  95              print "useInternalFlvPlayer=$useInternalFlvPlayer<br>";
  96              print "youtubeDevId=$youtubeDevId<br>";
  97              print "youtubeShowRelated=$youtubeShowRelated<br>";
  98              print "width=$width<br>";
  99              print "height=$height<br>";
 100              print "externalFlvPlayer=$externalFlvPlayer<br>";
 101              print "externalFlvPlayerVars=$externalFlvPlayerVars<br>";
 102              print "flvThumbnail=$flvThumbnail<br>";
 103              print "useRemoteSize=$useRemoteSize<br>";
 104              print "autoStart=$autoStart<br>";
 105              print "<hr>";
 106            }
 107
 108            /* Store other string constants we'll use later */
 109
 110            /* youtube */
 111            $youtubeUrlPattern="youtube.com";
 112            $youtubeApiUrl="http://www.youtube.com/api2_rest";
 113            /* We can't extract the server size from youtube */
 114            $youtubeWidth="425";
 115            $youtubeHeight="350";
 116
 117            /* google */
 118            $googleUrlPattern="video.google.com";
 119            $googlePlayer="http://video.google.com/googleplayer.swf";
 120            /* We can't extract the server size from google video */
 121            $googleWidth="400";
 122            $googleHeight="326";
 123
 124            /* yahoo */
 125            $yahooUrlPattern="video.yahoo.com";
 126            $yahooThumbnailUrl="http://thmg01.video.search.yahoo.com/image/";
 127
 128            /* metacafe */
 129            $metacafeUrlPattern="metacafe.com";
 130            $metacafeThumbnailUrl="http://www.metacafe.com/thumb/";
 131
 132            /* Gallery2 specific paths and variables */
 133            $urlGenerator =& $gallery->getUrlGenerator();
 134            $gallery2_url = $urlGenerator->getCurrentUrlDir();
 135            $gallery2_flv_thumbnail = "modules/thumbnail/images/G2video.jpg";
 136            $gallery2_flv_player = "modules/flashvideo/lib/G2flv.swf";
 137
 138            /* Store the passed URL in a shorter local variable */
 139            $url = $form['webPage']['URL'];
 140
 141            /*
 142             *****************************
 143             * Embed a Youtube Video
 144             *****************************
 145             */
 146            if(preg_match("/$youtubeUrlPattern/",$url)) {
 147
 148                /* Make sure we can find a video_id in the URL */
 149                if(preg_match("/watch\?v=(.*)/",$url,$matches)) {
 150                    $video_id = $matches[1];
 151                } else {
 152                    return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER,__FILE__,__LINE__,
 153                                 "Unable to extract video id from url: $url"),null,null);
 154                }
 155
 156                /* Make sure we have a valid youtube developer id */
 157                $dev_id = $youtubeDevId;
 158                if(!preg_match("/\w+/",$dev_id)) {
 159                    return array(GalleryCoreApi::error(ERROR_CONFIGURATION_REQUIRED,__FILE__,__LINE__,
 160                                 "Invalid/missing YouTube developer ID: $dev_id"),null,null);
 161                }
 162
 163                /* Youtube api feed */
 164                $feed = $youtubeApiUrl.'?method=youtube.videos.get_details';
 165                $feed.= "&dev_id=$dev_id&video_id=$video_id";
 166
 167                /* Get the youtube xml feed as a string data source */
 168                list ($successfullyCopied, $xml, $response, $headers) =
 169                  GalleryCoreApi::fetchWebPage($feed, $extraHeaders);
 170                if (!$successfullyCopied) {
 171                    return array(GalleryCoreApi::error(ERROR_BAD_PATH,__FILE__,__LINE__,
 172                                 "Unable to get video information at url: $url - $response"),null,null);
 173                }
 174
 175                if(preg_match("/This video is private/",$xml)) {
 176                  return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER,__FILE__,__LINE__,
 177                                 "Unable to retrieve video information from youtube.".
 178                                 "You cannot embed a private youtube video: $url"),null,null);
 179                }
 180
 181                if(!strcmp($debugOutput,"true")) {
 182                  print "<h2>Youtube XML Dump</h2>";
 183                  print "$xml";
 184                  print "<hr>";
 185                }
 186
 187                /* Extract certain information from the xml feed */
 188                preg_match_all("/\<title\>(.+?)\<\/title\>/smi",$xml, $title);
 189                preg_match_all("/\<description\>(.+?)\<\/description\>/smi",$xml, $description);
 190                preg_match_all("/\<thumbnail_url\>(.+?)\<\/thumbnail_url\>/smi",$xml, $thumbnail);
 191
 192                array_shift($title);
 193                array_shift($thumbnail);
 194                array_shift($description);
 195
 196                /* Replace html characters. More can be added but this seems to work */
 197                for($i=0;$i<count($description[0]);$i++){
 198                    $description[0][$i] = preg_replace("/&#60;/","<",$description[0][$i]);
 199                    $description[0][$i] = html_entity_decode($description[0][$i],ENT_QUOTES);
 200                }
 201
 202                /* Store the information found in some local variables */
 203                $title = $title[0][0];
 204                $summary = $description[0][0];
 205                $thumbnail = $thumbnail[0][0];
 206
 207                /* Determine what our width and height should be based on our useRemoteSize parameter */
 208                if(!strcmp($useRemoteSize,"true")) {
 209                  $width = $youtubeWidth;
 210                  $height = $youtubeHeight;
 211                }
 212
 213                /* Determine if the video should autoplay or not based on the autoStart parameter */
 214                $autoStartStr="";
 215                if(!strcmp($autoStart,"true")) {
 216                  $autoStartStr="&autoplay=1";
 217                }
 218
 219                /* Determine if the video should show related videos or not based on the youtubeShowRelated parameter */
 220                $youtubeShowRelatedStr="";
 221                if(!strcmp($youtubeShowRelated,"false")) {
 222                  $youtubeShowRelatedStr="&rel=0";
 223                }
 224
 225                /* Format the description to hold a reference to the embedded video */
 226                $description = '<object width="'.$width.'" height="'.$height.'">';
 227                $description.= '<param name="movie" ';
 228                $description.= 'value="http://www.youtube.com/v/'.$video_id.'"></param>';
 229                $description.= '<param name="wmode" value="transparent"></param>';
 230                $description.= '<embed src="http://www.youtube.com/v/';
 231                $description.= $video_id.$autoStartStr.$youtubeShowRelatedStr;
 232                $description.= '" type="application/x-shockwave-flash" wmode="transparent" ';
 233                $description.= 'width="'.$width.'" height="'.$height.'"></embed></object>';
 234                $description.= "<br>$summary";
 235
 236            /*
 237             **********************************
 238             * Embed a Google Video
 239             **********************************
 240             */
 241            } else if(preg_match("/$googleUrlPattern/",$url)) {
 242
 243                /* Make sure we can extract a docID */
 244                if(preg_match("/docid=(.*)/",$url,$matches)) {
 245                    $doc_id = $matches[1];
 246                } else {
 247                    return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER,__FILE__,__LINE__,
 248                                 "Unable to extract doc id from url: $url"),null,null);
 249                }
 250
 251                /* Grab the contents of the webpage used to display the video on video.google.com */
 252                list ($successfullyCopied, $contents, $response, $headers) =
 253                  GalleryCoreApi::fetchWebPage($url, $extraHeaders);
 254                if (!$successfullyCopied) {
 255                    return array(GalleryCoreApi::error(ERROR_BAD_PATH,__FILE__,__LINE__,
 256                                 "Unable to get video information at url: $url - $response"),NULL,NULL);
 257                }
 258
 259                /* Extract the summary from the webpage contents */
 260                preg_match('/<meta content="(.+?)\. \w+ \d+, \d+.*" name="description">/i',
 261                           $contents, $matches);
 262                $summary=$matches[1];
 263
 264                /* Extract the title from the webpage contents */
 265                $title="Unknown";
 266                if(preg_match('/<title>(.+?)\s+- Google Video<\/title>/i', $contents, $matches)) {
 267                  $title=$matches[1];
 268                } else if(preg_match('/<title>(.+?)<\/title>/i', $contents, $matches)) {
 269                  $title=$matches[1];
 270                }
 271
 272                /* Extract the thumbnail URL from the webpage contents */
 273                preg_match('/<img src="(http:\/\/video\.google\.com\/ThumbnailServer2.+?)" /i',
 274                           $contents, $matches);
 275                $thumbnail=$matches[1];
 276                $thumbnail=preg_replace("/offsetms=0/","offsetms=0",$thumbnail);
 277
 278                /* Determine what our width and height should be based on our useRemoteSize parameter */
 279                if(!strcmp($useRemoteSize,"true")) {
 280                  $width = $googleWidth;
 281                  $height = $googleHeight;
 282                }
 283
 284                /* Determine if the video should autoplay or not based on the autoStart parameter */
 285                $autoStartStr="";
 286                if(!strcmp($autoStart,"true")) {
 287                  $autoStartStr="&autoplay=1";
 288                }
 289
 290                /* Format the description to hold a reference to the embedded video */
 291                $description = '<embed ';
 292                $description.= 'style="width:'.$width.'px; height:'.$height.'px;" id="VideoPlayback" ';
 293                $description.= 'type="application/x-shockwave-flash" ';
 294                $description.= 'src="'.$googlePlayer.'?docId='.$doc_id.$autoStartStr.'" flashvars=""> ';
 295                $description.= '</embed>';
 296                $description.= "<br>$summary";
 297
 298            /*
 299             **********************************
 300             * Embed a Yahoo Video
 301             **********************************
 302             * TODO: The autoStart parameter doesn't work with the yahoo video player
 303             */
 304            } else if(preg_match("/$yahooUrlPattern/",$url)) {
 305
 306                /* Make sure we can extract a vidID */
 307                if(preg_match("/vid=(.*)/",$url,$matches)) {
 308                    $vid_id = $matches[1];
 309                } else {
 310                    return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER,__FILE__,__LINE__,
 311                                 "Unable to extract vid id from url: $url"),null,null);
 312                }
 313
 314                /* Grab the contents of the webpage used to display the video on video.google.com */
 315                list ($successfullyCopied, $contents, $response, $headers) =
 316                  GalleryCoreApi::fetchWebPage($url, $extraHeaders);
 317                if (!$successfullyCopied) {
 318                    return array(GalleryCoreApi::error(ERROR_BAD_PATH,__FILE__,__LINE__,
 319                                 "Unable to get video information at url: $url - $response"),NULL,NULL);
 320                }
 321
 322                /* Extract the summary from the webpage contents */
 323                preg_match('/Description:<\/em><p>(.+?)<\/p>/', $contents, $matches);
 324                $summary=$matches[1];
 325
 326                /* Extract the title from the webpage contents */
 327                $title="Unknown";
 328                if(preg_match('/<title>(.+?)\s+- Yahoo! Video<\/title>/i', $contents, $matches)) {
 329                  $title=$matches[1];
 330                } else if(preg_match('/<title>(.+?)<\/title>/i', $contents, $matches)) {
 331                  $title=$matches[1];
 332                }
 333
 334                /* Build the thumbnail URL from the vid_id */
 335                $thumbnail=$yahooThumbnailUrl.$vid_id."_01";
 336
 337                /* Format the description to hold a reference to the embedded video */
 338                preg_match('/(<embed src.+?<\/embed>)/', $contents, $matches);
 339                $description=$matches[1];
 340                if(!strcmp($useRemoteSize,"false")) {
 341                  $description=preg_replace("/width='\d+'/","width='".$width."'",$description);
 342                  $description=preg_replace("/height='\d+'/","height='".$height."'",$description);
 343                }
 344                $description.= "<br>$summary";
 345
 346            /*
 347             **********************************
 348             * Embed a MetaCafe Video
 349             **********************************
 350             */
 351            } else if(preg_match("/$metacafeUrlPattern/",$url)) {
 352
 353                /* Make sure we can extract a itemID */
 354                if(preg_match("/\/watch\/(.+?)\/(.+?)/",$url,$matches)) {
 355                    $item_id = $matches[1];
 356                } else {
 357                    return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER,__FILE__,__LINE__,
 358                                 "Unable to extract item id from url: $url"),null,null);
 359                }
 360
 361                /* Grab the contents of the webpage used to display the video on video.google.com */
 362                list ($successfullyCopied, $contents, $response, $headers) =
 363                  GalleryCoreApi::fetchWebPage($url, $extraHeaders);
 364                if (!$successfullyCopied) {
 365                    return array(GalleryCoreApi::error(ERROR_BAD_PATH,__FILE__,__LINE__,
 366                                 "Unable to get video information at url: $url - $response"),NULL,NULL);
 367                }
 368
 369                /* Extract the summary from the webpage contents */
 370                preg_match('/<meta name="description" content="(.+?)" \/>/i', $contents, $matches);
 371                $summary=$matches[1];
 372
 373                /* Extract the title from the webpage contents */
 374                preg_match('/<title>(.+?)<\/title>/i', $contents, $matches);
 375                $title=$matches[1];
 376
 377                /* Build the thumbnail URL from the item_id */
 378                $thumbnail=$metacafeThumbnailUrl.$item_id.".jpg";
 379
 380                /* Format the description to hold a reference to the embedded video */
 381                preg_match('/(embed src.+?\/embed)/', $contents, $matches);
 382                $description="<".$matches[1];
 383                $description=preg_replace("/&quot;/","'",$description);
 384                if(!strcmp($useRemoteSize,"false")) {
 385                  $description=preg_replace("/width='\d+'/","width='".$width."'",$description);
 386                  $description=preg_replace("/height='\d+'/","height='".$height."'",$description);
 387                }
 388                if(!strcmp($autoStart,"true")) {
 389                  $description=preg_replace("/\.swf/",".swf?playerVars=autoPlay=yes",$description);
 390                }
 391                $description.= "</embed>";
 392                $description.= "<br>$summary";
 393
 394
 395               /*
 396             **********************************
 397             * Embed a remote .swf file
 398             **********************************
 399             */
 400            } else if(preg_match("/.*\/(.+?)\.swf/i",$url,$matches)) {
 401
 402                /* Set the title and summary to the name of the file */
 403                $title = $matches[1];
 404                $summary = $matches[1];
 405
 406                /*
 407                 * Set the thumbnail to some generic jpg image,
 408                 * since we can't extract it from the remote swf file.
 409                 * If no parameter is set, set it to a default value.
 410                 */
 411                if(preg_match("/\w+/", $flvThumbnail)) {
 412                  $thumbnail = $flvThumbnail;
 413                } else {
 414                  $thumbnail = $gallery2_url.$gallery2_flv_thumbnail;
 415                }
 416
 417                /*
 418                 * Check to make sure the URL to the remote swf file is valid
 419                 * (That the file exists at the URL given)
 420                 */
 421                list ($successfullyCopied, $response, $headers) =
 422                  $this->fetchWebFileHeaders($url, $extraHeaders);
 423                if (!$successfullyCopied) {
 424                  return array(GalleryCoreApi::error(ERROR_BAD_PATH,__FILE__,__LINE__,
 425                               "Unable to find the video at url: $url - $response"),NULL,NULL);
 426                }
 427
 428                /*
 429                 * Format the description to hold a reference to the embedded video
 430                 */
 431
 432                /* Format the description to hold a reference to the embedded video */
 433                $description ='<embed src="'.$url.'">';
 434
 435            /*
 436             **********************************
 437             * Embed a remote .flv file
 438             **********************************
 439             */
 440            } else if(preg_match("/.*\/(.+?)\.flv/i",$url,$matches)) {
 441
 442                /* Set the title and summary to the name of the file */
 443                $title = $matches[1];
 444                $summary = $matches[1];
 445
 446                /*
 447                 * Set the thumbnail to some generic jpg image,
 448                 * since we can't extract it from the remote flv file.
 449                 * If no parameter is set, set it to a default value.
 450                 */
 451                if(preg_match("/\w+/", $flvThumbnail)) {
 452                  $thumbnail = $flvThumbnail;
 453                } else {
 454                  $thumbnail = $gallery2_url.$gallery2_flv_thumbnail;
 455                }
 456
 457                /*
 458                 * Check to make sure the URL to the remote flv file is valid
 459                 * (That the file exists at the URL given)
 460                 */
 461                list ($successfullyCopied, $response, $headers) =
 462                  $this->fetchWebFileHeaders($url, $extraHeaders);
 463                if (!$successfullyCopied) {
 464                  return array(GalleryCoreApi::error(ERROR_BAD_PATH,__FILE__,__LINE__,
 465                               "Unable to find the video at url: $url - $response"),NULL,NULL);
 466                }
 467
 468                /*
 469                 * Format the description to hold a reference to the embedded video
 470                 * This reference will be embedded using the G2 internal player,
 471                 * or an external player if provided by the user.
 472                 */
 473                if(!strcmp($useInternalFlvPlayer,"false")) {
 474
 475                    /*
 476                     * The user has indicated they want to use an external flv player
 477                     * Make sure one is defined!
 478                     */
 479                    if(!preg_match("/\w+/",$externalFlvPlayer)) {
 480                        return array(GalleryCoreApi::error(ERROR_CONFIGURATION_REQUIRED,__FILE__,__LINE__,
 481                                    "Invalid/missing external player parameter"),null,null);
 482                    }
 483
 484                    /* Format the description to hold a reference to the embedded video */
 485                    $description ='<embed src="'.$externalFlvPlayer.'" ';
 486                    $description.= 'width="'.$width.'" height="'.$height.'" ';
 487                    $description.= 'bgcolor="#C0C0C0" allowfullscreen="true" ';
 488                    $description.= 'type="application/x-shockwave-flash" ';
 489                    $description.= 'pluginspage="http://www.macromedia.com/go/getflashplayer" ';
 490                    $description.= 'flashvars="file='.$url;
 491                    $description.= '&fullscreenpage='.$thumbnail;
 492                    $description.= '&linktarget=_Blank&image='.$thumbnail;
 493
 494                    if(!preg_match("/\w+/",$externalFlvPlayerVars)) {
 495                        /* Format the flashvars for the internal G2 flv player */
 496                        $description.= '&showdigits=true&autostart='.$autoStart.'&showfsbutton=true&';
 497                        $description.= '&repeat=false&lightcolor=0x9999FF';
 498                        $description.= '&backcolor=0x888888&frontcolor=0x000000"';
 499                    } else {
 500                        /* Format the flashvars for the external G2 flv player */
 501                        $description.= '&'.$externalFlvPlayerVars;
 502                    }
 503                    $description.=  ' />&nbsp;</p>';
 504
 505                /* Internal FLV player */
 506                } else {
 507                    /* Format the description to hold a reference to the embedded video */
 508                    $macromedia_url = "http://download.macromedia.com/pub/shockwave/cabs/flash/";
 509                    $description = '<script type="text/javascript">'."\n";
 510                    $description.= '// <![CDATA['."\n";
 511                    $description.= 'function divResize(id, nw, nh) {'."\n";
 512                    $description.= 'var obj = document.getElementById(id);'."\n";
 513                    $description.= 'obj.style.width = nw + "px";'."\n";
 514                    $description.= 'obj.style.height = nh + "px";'."\n";
 515                    $description.= '}'."\n";
 516                    $description.= '// ]]>'."\n";
 517                    $description.= '</script>'."\n";
 518                    $description.= '<div id="flashvideo" style="align:left;width:525px;height:392px">'."\n";
 519                    $description.= '<object classid="clsid:D27CDB6E-AE6D-11CF-96B8-444553540000"';
 520                    $description.= 'codebase="'.$macromedia_url.'swflash.cab#version=8,0,0,0"';
 521                    $description.= 'width="100%" height="100%" id="IFid1" class="ImageFrame_image">';
 522                    $description.= '<param name="movie" value="'.$gallery2_url.$gallery2_flv_player.'"/>';
 523                    $description.= '<param name="FlashVars" value="flvUrl='.$url;
 524                    $description.= '&Width='.$width.'&Height='.$height.'&title='.$title;
 525                    $description.= '&allowDl=true&thumbUrl='.$thumbnail.'&autoStart='.$autoStart;
 526                    $description.= '&langDownload=Download&langLarge=Large&langNormal=Normal"/>';
 527                    $description.= '<param name="quality" value="high"/>';
 528                    $description.= '<param name="scale" value="noscale"/>';
 529                    $description.= '<param name="salign" value="lt"/>';
 530                    $description.= '<param name="wmode" value="transparent"/>';
 531                    $description.= '<param name="allowScriptAccess" value="always"/>';
 532                    $description.= '<embed src="'.$gallery2_url.$gallery2_flv_player.'" ';
 533                    $description.= 'flashvars="flvUrl='.$url;
 534                    $description.= '&Width='.$width.'&Height='.$height.'&title='.$title;
 535                    $description.= '&allowDl=true&thumbUrl='.$thumbnail.'&autoStart='.$autoStart;
 536                    $description.= '&langDownload=Download&langLarge=Large&langNormal=Normal" ';
 537                    $description.= 'type="application/x-shockwave-flash" ';
 538                    $description.= 'width="100%" height="100%" quality="high" scale="noscale" salign="lt" ';
 539                    $description.= 'wmode="transparent" allowScriptAccess="always" ';
 540                    $description.= 'pluginspage="http://www.macromedia.com/go/getflashplayer"/>';
 541                    $description.= '</object></div>';
 542                }
 543
 544           /*
 545            **********************************
 546            * Unsupported URL to embed
 547            **********************************
 548            */
 549            } else {
 550                return array(GalleryCoreApi::error(ERROR_UNSUPPORTED_FILE_TYPE,__FILE__,__LINE__,
 551                             "Unable to embed video from: $url"),null,null);
 552            }
 553
 554
 555            /*
 556            **********************************
 557            * Add the video to Gallery
 558            **********************************
 559            */
 560
 561            /* Get a local tmp file to save the thumbnail URL to */
 562            $tmpDir = $gallery->getConfig('data.gallery.tmp');
 563            $tmpFile = $platform->tempnam($tmpDir, 'add');
 564            $tmpFile.= ".jpg";
 565
 566            /* Fetch the thumbnail and save it to a local file */
 567            list ($successfullyCopied, $response, $headers) =
 568              GalleryCoreApi::fetchWebFile($thumbnail, $tmpFile, $extraHeaders);
 569            if (!$successfullyCopied) {
 570                return array(GalleryCoreApi::error(ERROR_STORAGE_FAILURE,__FILE__,__LINE__,
 571                             "Unable to copy thumbnail from url: $thumbnail - $response"),null,null);
 572            }
 573
 574            /* Obtain the mimeType of the thumbnail */
 575            list ($ret, $mimeType) = GalleryCoreApi::getMimeType($tmpFile);
 576
 577            /* Set the filename for the item we want to add */
 578            $fileName = $title;
 579            $fileName = preg_replace("/\s+/","_",$fileName);
 580            $fileName = preg_replace("/'/","",$fileName);
 581            $fileName = preg_replace("/\"/","",$fileName);
 582            $fileName = preg_replace("/&#\d+;/","",$fileName);
 583
 584            /* General debug output */
 585            if(!strcmp($debugOutput,"true")) {
 586                print "<h2>Item Parameters</h2>";
 587                print "url: $url <br>";
 588                print "title: $title <br>";
 589                print "thumbnailUrl: <img src=\"".$thumbnail."\">\n</a>".$summary."</p>";
 590                print "description: <p>$description</p>";
 591                print "thumbnail: $tmpFile <br>";
 592                print "mimeType: $mimeType <br>";
 593                print "fileName: $fileName <br>";
 594                print "width: $width <br>";
 595                print "height: $height <br>";
 596                print "<hr>";
 597            }
 598
 599            /* Resize the thumbnail image to the size indicated by our album */
 600            $debugString="";
 601            list ($ret, $toolkit) = GalleryCoreApi::getToolkitByOperation($mimeType, 'resize');
 602            if (!$ret) {
 603                $debugString.="Checking to see if a toolkit that can resize images was found. <br>";
 604                if (isset($toolkit)) {
 605                    $newTmpFile = $platform->tempnam($tmpDir, 'add');
 606                    $newTmpFile.= ".jpg";
 607                    $thumbnailSize = 150;
 608                    list ($ret, $preferences) =
 609                      GalleryCoreApi::fetchDerivativePreferencesForItem($item->getId());
 610                    if(!$ret) {
 611                        foreach ($preferences as $preference) {
 612                          if (preg_match('/thumbnail\|(\d+)/',
 613                                         $preference['derivativeOperations'], $matches)) {
 614                              $thumbnailSize = $matches[1];
 615                              $debugString.="Found thumbnail size in album preferences: $thumbnailSize <br>";
 616                              break;
 617                          }
 618                        }
 619                    }
 620
 621                    // Obtainin the width and height of the original thumbnail, finding out it's ratio,
 622                    // and using that ratio when determining the width of the video below.
 623                    // Example: youtube: 130x97 google: 160x120 metacafe: 90x76 yahoo: 100x70
 624                    // Set the thumbnailHeight to the current thumbnailSize
 625                    // Set the thumbnailWidth to the appropriate size based on the thumbnailHeight * ratio
 626                    $image_data = @getimagesize($tmpFile);
 627                    $ratio = $image_data[0] / $image_data[1];
 628                    $debugString.="Using ratio from original thumbnail of $ratio. ";
 629                    $thumbnailSize=150;
 630                    $thumbnailHeight=$thumbnailSize;
 631                    $thumbnailWidth=round($thumbnailHeight * $ratio);
 632                    $debugString.="Resizing thumbnail image to $thumbnailWidth x $thumbnailHeight: $tmpFile -> $newTmpFile <br>";
 633                    $toolkit->performOperation($mimeType, 'resize', $tmpFile, $newTmpFile,
 634                                               array($thumbnailWidth,$thumbnailHeight));
 635                }
 636            }
 637            if(!strcmp($debugOutput,"true")) {
 638                print "<h2>Thumbnail Resize</h2>";
 639                print "$debugString";
 640                print "<hr>";
 641            }
 642
 643            /* Make the gallery2 call to add this item to the album */
 644            list ($ret, $newItem) = GalleryCoreApi::addItemToAlbum($newTmpFile,
 645                                                                   $fileName,
 646                                                                   $title,
 647                                                                   $summary,
 648                                                                   $description,
 649                                                                   $mimeType,
 650                                                                   $item->getId());
 651
 652            if ($ret) {
 653                return array($ret, null, null);
 654            }
 655
 656            $status['addedFiles'][] = array('fileName' => $url,
 657                                            'id' => $newItem->getId(),
 658                                            'warnings' => array());
 659
 660            if(!strcmp($debugOutput,"true")) {
 661                print "<br><br><h2>Video Successfully Added to your Gallery Album</h2><br><br><hr>";
 662            }
 663        }
 664
 665        /* Keep the tmpfiles around if we are in debug mode. Otherwise, remove them. */
 666        if(!strcmp($debugOutput,"false")) {
 667          @$platform->unlink($tmpFile);
 668          @$platform->unlink($newTmpFile);
 669        }
 670
 671    }
 672
 673    return array(null, $error, $status);
 674  }
 675
 676  /**
 677   * A simple function to resolve the value of a parameter from
 678   * the default or override value if it exists, or set it
 679   * to the default passed as an argument.
 680   */
 681  function getParameter($params, $name, $default="") {
 682    if(isset($params['override'][$name])) {
 683      /* print "override $name = ".$params['override'][$name]."<br>"; */
 684      return($params['override'][$name]);
 685    } else if(isset($params['default'][$name])) {
 686      /* print "default $name = ".$params['default'][$name] ."<br>"; */
 687      return($params['default'][$name]);
 688    } else {
 689      /* print "$name = $default <br>"; */
 690      return($default);
 691    }
 692  }
 693
 694  /**
 695   * A simple function to get the headers only (no body) for a given URL
 696   * This was taken from GalleryCoreApi::requestWebPage
 697   */
 698  function fetchWebFileHeaders($url, $requestHeaders=array()) {
 699      global $gallery;
 700
 701      $requestMethod='GET';
 702
 703      /* Convert illegal characters */
 704      $url = str_replace(' ', '%20', $url);
 705
 706      /* Unescape ampersands, since if the URL comes from form input it will be escaped */
 707      $url = str_replace('&amp;', '&', $url);
 708
 709      $platform =& $gallery->getPlatform();
 710
 711      $urlComponents = parse_url($url);
 712      if (empty($urlComponents['port'])) {
 713          $urlComponents['port'] = 80;
 714      }
 715      if (empty($urlComponents['path'])) {
 716          $urlComponents['path'] = '/';
 717      }
 718
 719      $handle = @$platform->fsockopen(
 720                                      $urlComponents['host'], $urlComponents['port'], $errno, $errstr, 5);
 721      if (empty($handle)) {
 722          $gallery->debug("Error $errno: '$errstr' requesting $url");
 723          return array(null, null, null);
 724      }
 725
 726      $requestUri = $urlComponents['path'];
 727      if (!empty($urlComponents['query'])) {
 728          $requestUri .= '?' . $urlComponents['query'];
 729      }
 730      $headerLines = array('Host: ' . $urlComponents['host']);
 731      foreach ($requestHeaders as $key => $value) {
 732          $headerLines[] = $key . ': ' . $value;
 733      }
 734
 735      $success = $platform->fwrite($handle, sprintf("%s %s HTTP/1.0\r\n%s\r\n\r\n%s",
 736                                                    $requestMethod,
 737                                                    $requestUri,
 738                                                    implode("\r\n", $headerLines),
 739                                                    $requestBody));
 740      if (!$success) {
 741          /* Zero bytes written or false was returned */
 742          $gallery->debug(
 743                          "fwrite failed in requestWebPage($url)" . ($success === false ? ' - false' : ''));
 744          return array(null, null, null);
 745      }
 746      $platform->fflush($handle);
 747
 748
 749      /*
 750       * Read the status line.  fgets stops after newlines.  The first line is the protocol
 751       * version followed by a numeric status code and its associated textual phrase.
 752       */
 753      $responseStatus = trim($platform->fgets($handle, 4096));
 754      if (empty($responseStatus)) {
 755          $gallery->debug('Empty http response code, maybe timeout');
 756          return array(null, null, null);
 757      }
 758
 759      /* Read the headers */
 760      $responseHeaders = array();
 761      while (!$platform->feof($handle)) {
 762          $line = trim($platform->fgets($handle, 4096));
 763          if (empty($line)) {
 764              break;
 765          }
 766
 767          /* Normalize the line endings */
 768          $line = str_replace("\r", '', $line);
 769
 770          list ($key, $value) = explode(':', $line, 2);
 771          if (isset($responseHeaders[$key])) {
 772              if (!is_array($responseHeaders[$key])) {
 773                $responseHeaders[$key] = array($responseHeaders[$key]);
 774              }
 775              $responseHeaders[$key][] = trim($value);
 776          } else {
 777              $responseHeaders[$key] = trim($value);
 778          }
 779      }
 780      $platform->fclose($handle);
 781
 782      if(preg_match("/Not found/i", $responseStatus)) {
 783          $success = 0;
 784      }
 785
 786      //print "success: $success <br>responseStatus: $responseStatus <br>responseHeaders: $responseHeaders <br>";
 787
 788      return array($success, $responseStatus, $responseHeaders);
 789  }
 790
 791  /**
 792   * @see ItemAdd:loadTemplate
 793   */
 794  function loadTemplate(&$template, &$form, $item) {
 795     global $gallery;
 796
 797     if ($form['formName'] != 'ItemAddEmbedVideo') {
 798         /* First time around, load the form with item data */
 799         $form['webPage'] = '';
 800         $form['formName'] = 'ItemAddEmbedVideo';
 801     }
 802
 803     $session =& $gallery->getSession();
 804
 805     $template->setVariable('ItemAddEmbedVideo', $ItemAddEmbedVideo);
 806
 807     return array(null,
 808                  'modules/embedvideo/templates/ItemAddEmbedVideo.tpl',
 809                  'modules_embedvideo');
 810  }
 811
 812  /**
 813   * @see ItemAddPlugin::getTitle
 814   */
 815  function getTitle() {
 816     list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'embedvideo');
 817     if ($ret) {
 818         return array($ret, null);
 819     }
 820
 821     return array(null, $module->translate('Embed Video'));
 822  }
 823
 824 }
 825 ?>