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