private/themesite.class.php

   1 <?php
   2 /***************************************************************************
   3  *             __________               __   ___.
   4  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   5  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   6  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   7  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   8  *                     \/            \/     \/    \/            \/
   9  * $Id$
  10  *
  11  * Copyright (C) 2009 Jonas Häggqvist
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ****************************************************************************/
  22
  23 require_once('db.class.php');
  24
  25 class themesite {
  26     private $db;
  27     private $themedir_public;
  28     private $themedir_private;
  29
  30     public function __construct($dbfile) {
  31         $this->db = new db($dbfile);
  32         $this->themedir_public = sprintf("%s/%s/%s", $_SERVER['DOCUMENT_ROOT'], config::path, config::datadir);
  33         $this->themedir_private = sprintf("%s/%s", preconfig::privpath, config::datadir);
  34     }
  35
  36     /*
  37      * Log a message to the log table. Time, IP and admin user (if any)
  38      * is automaticly added.
  39      */
  40     private function log($message) {
  41         $sql_f = "INSERT INTO log (time, ip, admin, msg) VALUES (datetime('now'), '%s', '%s', '%s')";
  42         $sql = sprintf($sql_f,
  43             $_SERVER['REMOTE_ADDR'],
  44             isset($_SESSION['user']) ? db::quote($_SESSION['user']) : '',
  45             db::quote($message)
  46         );
  47         $this->db->query($sql);
  48     }
  49
  50     private function targetlist($orderby) {
  51         $sql = "SELECT shortname, fullname, pic, mainlcd, depth, remotelcd FROM targets ORDER BY " . $orderby;
  52         return $this->db->query($sql);
  53     }
  54
  55     public function listtargets($orderby = 'fullname ASC') {
  56         $targets = $this->targetlist($orderby);
  57         $ret = array();
  58         while ($target = $targets->next()) {
  59             $ret[] = $target;
  60         }
  61         return $ret;
  62     }
  63
  64     /*
  65      * Run checkwps on all our themes
  66      */
  67     public function checkallthemes() {
  68         $this->log("Running checkwps");
  69         $sql = "SELECT RowID, * FROM themes";
  70         $themes = $this->db->query($sql);
  71         $return = array();
  72         while ($theme = $themes->next()) {
  73             $starttime = microtime(true);
  74             $zipfile = sprintf("%s/%s/%s/%s",
  75                 config::datadir,
  76                 $theme['mainlcd'],
  77                 $theme['shortname'],
  78                 $theme['zipfile']
  79             );
  80             $result = $this->checkwps($zipfile, $theme['mainlcd'], $theme['remotelcd']);
  81
  82             /*
  83              * Store the results and check if at least one check passed (for
  84              * the summary)
  85              */
  86             $passany = false;
  87             foreach($result as $version_type => $targets) {
  88                 foreach($targets as $target => $result) {
  89                     if ($result['pass']) $passany = true; /* For the summary */
  90                     /*
  91                      * Maybe we want to have two tables - one with historic
  92                      * data, and one with only the latest results for fast
  93                      * retrieval?
  94                      */
  95                     $this->db->query(sprintf("DELETE FROM checkwps WHERE themeid=%d AND version_type='%s'", $theme['RowID'], db::quote($version_type)));
  96                     $sql = sprintf("INSERT INTO checkwps (themeid, version_type, version_number, target, pass) VALUES (%d, '%s', '%s', '%s', '%s')",
  97                         $theme['RowID'],
  98                         db::quote($version_type),
  99                         db::quote($result['version']),
 100                         db::quote($target),
 101                         db::quote($result['pass'] ? 1 : 0)
 102                     );
 103                     $this->db->query($sql);
 104                 }
 105             }
 106             $return[] = array(
 107                 'theme' => $theme,
 108                 'result' => $result,
 109                 'summary' => array('theme' => $theme['name'], 'pass' => $passany, 'duration' => microtime(true) - $starttime)
 110             );
 111         }
 112         return $return;
 113     }
 114
 115     public function adminlogin($user, $pass) {
 116         $sql = sprintf("SELECT COUNT(*) as count FROM admins WHERE name='%s' AND pass='%s'",
 117             db::quote($user),
 118             db::quote(md5($pass))
 119         );
 120         $result = $this->db->query($sql)->next();
 121         return $result['count'] == 1 ? true : false;
 122     }
 123
 124     public function listthemes($target, $orderby = 'timestamp DESC', $approved = 'approved', $onlyverified = true) {
 125         $ret = array();
 126         switch($approved) {
 127             case 'any':
 128                 $approved_clause = "";
 129                 break;
 130             case 'hidden':
 131                 $approved_clause = " AND th.approved = 0 ";
 132                 break;
 133             case 'approved':
 134             default:
 135                 $approved_clause = " AND th.approved = 1 ";
 136                 break;
 137         }
 138         if ($onlyverified == true) {
 139             $verified = " AND th.emailverification = 1 ";
 140         }
 141         else {
 142             $verified = "";
 143         }
 144         $sql = sprintf("SELECT name, timestamp, th.mainlcd as mainlcd, approved, reason, description, th.RowID as id, th.shortname AS shortname, zipfile, sshot_wps, sshot_menu, emailverification = 1 as verified FROM themes th, targets ta WHERE 1 %s %s AND th.mainlcd=ta.mainlcd and ta.shortname='%s' AND (ta.remotelcd IS NULL OR ta.remotelcd=th.remotelcd) ORDER BY %s",
 145             $verified,
 146             $approved_clause,
 147             db::quote($target),
 148             $orderby
 149         );
 150         $themes = $this->db->query($sql);
 151         while ($theme = $themes->next()) {
 152             $ret[] = $theme;
 153         }
 154         return $ret;
 155     }
 156
 157     public function target2lcd($shortname) {
 158         $sql = sprintf("SELECT mainlcd, remotelcd, depth FROM targets WHERE shortname='%s'",
 159             db::quote($shortname)
 160         );
 161         return $this->db->query($sql)->next();
 162     }
 163
 164     public function themenameexists($name, $mainlcd) {
 165         $sql = sprintf("SELECT COUNT(*) as count FROM themes WHERE name='%s' AND mainlcd='%s'",
 166             db::quote($name),
 167             db::quote($mainlcd)
 168         );
 169         $result = $this->db->query($sql)->next();
 170         return $result['count'] > 0 ? true : false;
 171     }
 172
 173     public function changestatus($themeid, $newstatus, $oldstatus, $reason) {
 174         $status_text = array('1' => 'Approved', '0' => 'hidden', '-1' => 'deleted');
 175         $this->log(sprintf("Changing status of theme %d from %s to %s - Reason: %s",
 176             $themeid,
 177             $status_text[$oldstatus],
 178             $status_text[$newstatus],
 179             $reason
 180         ));
 181         $sql = sprintf("SELECT shortname, mainlcd, email, name, author, zipfile FROM themes WHERE RowID='%d'", db::quote($themeid));
 182         $theme = $this->db->query($sql)->next();
 183
 184         if ($newstatus == -1) {
 185             $sql = sprintf("DELETE FROM themes WHERE RowID='%d'",
 186                 db::quote($themeid)
 187             );
 188
 189             /* Delete the files */
 190             foreach(array($this->themedir_public, $this->themedir_private) as $root) {
 191                 $dir = sprintf("%s/%s/%s",
 192                     $root,
 193                     $theme['mainlcd'],
 194                     $theme['shortname']
 195                 );
 196                 if (file_exists($dir)) {
 197                     foreach(glob(sprintf("%s/*", $dir)) as $file) {
 198                         unlink($file);
 199                     }
 200                     rmdir($dir);
 201                 }
 202             }
 203         }
 204         else {
 205             $sql = sprintf("UPDATE themes SET approved='%d', reason='%s' WHERE RowID='%d'",
 206                 db::quote($newstatus),
 207                 db::quote($reason),
 208                 db::quote($themeid)
 209             );
 210             $from = sprintf("%s/%s/%s/%s", $this->themedir_public, $theme['mainlcd'], $theme['shortname'], $theme['zipfile']);
 211             $to = sprintf("%s/%s/%s/%s", $this->themedir_private, $theme['mainlcd'], $theme['shortname'], $theme['zipfile']);
 212             if ($newstatus == 1) {
 213                 $temp = $to;
 214                 $to = $from;
 215                 $from = $temp;
 216             }
 217             rename($from, $to);
 218         }
 219         if ($oldstatus == 1 && $newstatus < 1) {
 220             // Send a mail to notify the user that his theme has been
 221             // hidden/deleted. No reason to distinguish, since the result
 222             // for him is the same.
 223             $to = sprintf("%s <%s>", $theme['author'], $theme['email']);
 224             $subject = sprintf("Your theme '%s' has been removed from %s", $theme['name'], config::hostname);
 225             $msg = <<<END
 226 Your theme {$theme['name']} was removed from the Rockbox theme site. The
 227 following reason should explain why:
 228
 229 ----------
 230 {$reason}
 231 ----------
 232
 233 If you think this was a mistake, or disagree with the decision, contact the
 234 theme site admins in the Rockbox Forums or on IRC.
 235 END;
 236             $this->send_mail($subject, $to, $msg);
 237         }
 238         $this->db->query($sql);
 239     }
 240
 241     public function addtarget($shortname, $fullname, $mainlcd, $pic, $depth, $remotelcd = false) {
 242         $this->log(sprintf("Add new target %s", $fullname));
 243
 244         $sql = sprintf("INSERT INTO targets
 245                         (shortname, fullname, mainlcd, pic, depth, remotelcd)
 246                         VALUES
 247                         ('%s', '%s', '%s', '%s', '%s', %s)",
 248             db::quote($shortname),
 249             db::quote($fullname),
 250             db::quote($mainlcd),
 251             db::quote($pic),
 252             db::quote($depth),
 253             $remotelcd === false ? 'NULL' : sprintf("'%s'", db::quote($remotelcd))
 254         );
 255         $this->db->query($sql);
 256         /* Create the target's dir in both the private and public theme dir */
 257         foreach(array($this->themedir_public, $this->themedir_private) as $root) {
 258             $themedir = sprintf("%s/%s", $root, $mainlcd);
 259             if (!file_exists($themedir)) {
 260                 mkdir($themedir);
 261             }
 262         }
 263     }
 264
 265     private function send_mail($subject, $to, $msg) {
 266         $msg = wordwrap($msg, 78);
 267         $headers = 'From: themes@rockbox.org';
 268         mail($to, $subject, $msg, $headers);
 269     }
 270
 271     public function validatetheme($zipfile) {
 272         $err = array();
 273         return $err;
 274     }
 275
 276     public function prepareverification($id, $email, $author) {
 277         $token = md5(uniqid());
 278         $sql = sprintf("UPDATE themes SET emailverification='%s' WHERE RowID='%s'",
 279             db::quote($token),
 280             db::quote($id)
 281         );
 282         $this->db->query($sql);
 283         $url = sprintf("%s%s/verify.php?t=%s", config::hostname, config::path, $token);
 284         /* xxx: Someone rewrite this message to not sound horrible */
 285         $msg = <<<END
 286 Hello, you just uploaded a Rockbox theme and now we need you to verify your
 287 email address. To do this, simply open the link below in your browser. You
 288 may have to copy/paste the text into your browser's location bar in some cases.
 289
 290 $url
 291
 292 Thank for your contributions
 293
 294 The Rockbox Theme Site team.
 295 END;
 296         /* ' (this is here to keep my syntax hilighting happy) */
 297         $subject = "Rockbox Theme Site email verification";
 298         $to = sprintf("%s <%s>", $author, $email);
 299         $this->send_mail($subject, $to, $msg);
 300     }
 301
 302     public function verifyemail($token) {
 303         $sql = sprintf("UPDATE themes SET emailverification=1 WHERE emailverification='%s'",
 304             db::quote($token)
 305         );
 306         $res = $this->db->query($sql);
 307         return $res->rowsaffected();
 308     }
 309
 310     public function addtheme($name, $shortname, $author, $email, $mainlcd, $remotelcd, $description, $zipfile, $sshot_wps, $sshot_menu) {
 311         $err = array();
 312         /* return array("Skipping upload"); */
 313
 314         /* Create the destination dir in both private and public area */
 315         foreach(array($this->themedir_public, $this->themedir_private) as $root) {
 316             mkdir(sprintf("%s/%s/%s",
 317                 $root,
 318                 $mainlcd,
 319                 $shortname
 320             ));
 321         }
 322
 323         /* This is the actual destination dir */
 324         $destdir = sprintf("%s/%s/%s",
 325             config::defaultstatus == 1 ? $this->themedir_public : $this->themedir_private,
 326             $mainlcd,
 327             $shortname
 328         );
 329
 330         /* Prepend wps- and menu- to screenshots */
 331         $sshot_wps['name']  = empty($sshot_wps['name'])  ? '' : 'wps-'.$sshot_wps['name'];
 332         $sshot_menu['name'] = empty($sshot_menu['name']) ? '' : 'menu-'.$sshot_menu['name'];
 333
 334         /* Start moving files in place */
 335         $uploads = array($zipfile, $sshot_wps, $sshot_menu);
 336         $movedfiles = array();
 337         foreach($uploads as $file) {
 338             if ($file === false || empty($file['tmp_name'])) {
 339                 continue;
 340             }
 341             $dest = sprintf("%s/%s",
 342                 $destdir,
 343                 $file['name']
 344             );
 345
 346             if (!@move_uploaded_file($file['tmp_name'], $dest)) {
 347                 /* Upload went wrong, clean up */
 348                 foreach ($movedfiles as $movedfile) {
 349                     unlink($movedfile);
 350                 }
 351                 rmdir($destdir);
 352                 $err[] = sprintf("Couldn't move %s.", $file['name'], $dest);
 353                 return $err;
 354             }
 355             else {
 356                 $movedfiles[] = $dest;
 357             }
 358         }
 359         $sql_f = "INSERT INTO themes (author, email, name, mainlcd, zipfile, sshot_wps, sshot_menu, remotelcd, description, shortname, emailverification, timestamp, approved) VALUES ('%s', '%s', '%s', '%s', '%s', '%s', %s, %s, '%s', '%s', 0, datetime('now'), %d)";
 360         $sql = sprintf($sql_f,
 361             db::quote($author),
 362             db::quote($email),
 363             db::quote($name),
 364             db::quote($mainlcd),
 365             db::quote($zipfile['name']),
 366             db::quote($sshot_wps['name']),
 367             $sshot_menu === false ? 'NULL' : sprintf("'%s'", db::quote($sshot_menu['name'])),
 368             $remotelcd === false ? 'NULL' : sprintf("'%s'", db::quote($remotelcd)),
 369             db::quote($description),
 370             db::quote($shortname),
 371             config::defaultstatus
 372         );
 373         $result = $this->db->query($sql);
 374         $id = $result->insertid();
 375         $check = $this->checkwps(sprintf("%s/%s/%s", config::datadir, $mainlcd, $zipfile['name']), $mainlcd, $remotelcd);
 376         /* xxx: store these results */
 377         $this->log(sprintf("Added theme %d (email: %s)", $id, $email));
 378         return $id;
 379     }
 380
 381     /*
 382      * Use this rather than plain pathinfo for compatibility with PHP<5.2.0
 383      */
 384     private function my_pathinfo($path) {
 385         $pathinfo = pathinfo($path);
 386         /* Make sure we have the $pathinfo['filename'] element added in PHP 5.2.0 */
 387         if (!isset($pathinfo['filename'])) {
 388             $pathinfo['filename'] = substr(
 389                 $pathinfo['basename'],
 390                 0,
 391                 strrpos($pathinfo['basename'],'.') === false ? strlen($pathinfo['basename']) : strrpos($pathinfo['basename'],'.')
 392             );
 393         }
 394         return $pathinfo;
 395     }
 396
 397     /*
 398      * Convenience function called from several locations
 399      */
 400     private function getzipentrycontents($zip, $ze) {
 401         $ret = "";
 402         zip_entry_open($zip, $ze);
 403         while($read = zip_entry_read($ze)) {
 404             $ret .= $read;
 405         }
 406         zip_entry_close($ze);
 407         return $ret;
 408     }
 409
 410     /*
 411      * xxx: I don't know what kind of validation is wanted for cfg files
 412      */
 413     public function validatecfg($cfg, $files) {
 414         $conf = array();
 415         foreach(explode("\n", $cfg) as $line) {
 416             if (substr($line, 0, 1) == '#') continue;
 417             preg_match("/^(?P<name>[^:]*)\s*:\s*(?P<value>[^#]*)\s*$/", $line, $matches);
 418             if (count($matches) > 0) {
 419                 extract($matches);
 420                 switch($name) {
 421                     default:
 422                         break;
 423                 }
 424             }
 425         }
 426     }
 427
 428     public function lcd2targets($lcd) {
 429         $ret = array();
 430         $sql = sprintf("SELECT shortname FROM targets WHERE mainlcd='%s' OR remotelcd='%s'",
 431             db::quote($lcd),
 432             db::quote($lcd)
 433         );
 434         $targets = $this->db->query($sql);
 435         while ($target = $targets->next()) {
 436             $ret[] = $target['shortname'];
 437         }
 438         return $ret;
 439     }
 440
 441     /*
 442      * Check a WPS against two revisions: current and the latest release
 443      */
 444     public function checkwps($zipfile, $mainlcd, $remotelcd) {
 445         $return = array();
 446
 447         /* First, create a temporary dir */
 448         $tmpdir = sprintf("%s/temp-%s", preconfig::privpath, md5(uniqid()));
 449         mkdir($tmpdir);
 450
 451         /* Then, unzip the theme here */
 452         $cmd = sprintf("%s -d %s %s", config::unzip, $tmpdir, escapeshellarg($zipfile));
 453         exec($cmd, $dontcare, $ret);
 454
 455         /* Now, cd into that dir */
 456         $olddir = getcwd();
 457         chdir($tmpdir);
 458
 459         /*
 460          * For all .wps and .rwps, run checkwps of both release and current for
 461          * all applicable targets
 462          */
 463         foreach(glob('.rockbox/wps/*wps') as $file) {
 464             $p = $this->my_pathinfo($file);
 465             $lcd = ($p['extension'] == 'rwps' ? $remotelcd : $mainlcd);
 466             foreach(array('release', 'current') as $version) {
 467                 foreach($this->lcd2targets($lcd) as $shortname) {
 468                     $result = array();
 469                     $checkwps = sprintf("%s/checkwps/%s/checkwps.%s",
 470                         '..', /* We'll be in a subdir of the private dir */
 471                         $version,
 472                         $shortname
 473                     );
 474                     $result['version'] = trim(file_get_contents(sprintf('%s/checkwps/%s/VERSION',
 475                         '..',
 476                         $version,
 477                         $shortname
 478                     )));
 479                     if (file_exists($checkwps)) {
 480                         exec(sprintf("%s %s", $checkwps, $file), $output, $ret);
 481                         $result['pass'] = ($ret == 0);
 482                         $result['output'] = $output;
 483                         $return[$version][$shortname] = $result;
 484                     }
 485                 }
 486             }
 487         }
 488
 489         /* chdir back */
 490         chdir($olddir);
 491
 492         /* Remove the tempdir */
 493         $this->rmdir_recursive($tmpdir);
 494         return $return;
 495     }
 496
 497     private function rmdir_recursive($dirname) {
 498         $dir = dir($dirname);
 499         while (false !== ($entry = $dir->read())) {
 500             if ($entry == '.' || $entry == '..') continue;
 501             $path = sprintf("%s/%s", $dir->path, $entry);
 502             if (is_dir($path)) {
 503                 $this->rmdir_recursive($path);
 504             }
 505             else {
 506                 unlink($path);
 507             }
 508         }
 509         $dir->close();
 510         rmdir($dirname);
 511     }
 512
 513     /*
 514      * This rather unwieldy function validates the structure of a theme's
 515      * zipfile. It checks the following:
 516      * - Exactly 1 .wps file
 517      * - 0 or 1 .rwps file
 518      * - Only .bmp files in /.rockbox/backdrops/ and /.rockbox/wps/<shortname>/
 519      * - All files are inside /.rockbox
 520      * - All .wps, .rwps and .cfg files use the same shortname, which is also
 521      *   the one used for the subdir in /.rockbox/wps
 522      *
 523      * It does not uncompress any of the files.
 524      *
 525      * We continue checking for errors, rather than aborting, so the uploader
 526      * gets a full list of things we didn't like.
 527      */
 528     public function validatezip($themezipupload) {
 529         $err = array();
 530         $zip = zip_open($themezipupload['tmp_name']);
 531         $totalsize = 0;
 532         $files = array();
 533         $wpsfound = array();
 534         $rwpsfound = array();
 535         $shortname = '';
 536         $cfg = '';
 537
 538         if (is_int($zip)) {
 539             $err[] = sprintf("Couldn't open zipfile %s", $themezipupload['name']);
 540             return $err;
 541         }
 542         while ($ze = zip_read($zip)) {
 543             $filename = zip_entry_name($ze);
 544             $pathinfo = $this->my_pathinfo($filename);
 545             $totalsize += zip_entry_filesize($ze);
 546             $files[] = $filename;
 547
 548             /* Count .wps and .rwps files for later checking */
 549             if (strtolower($pathinfo['extension']) == 'wps')
 550                 $wpsfound[] = $filename;
 551             if (strtolower($pathinfo['extension']) == 'rwps')
 552                 $rwpsfound[] = $filename;
 553
 554             /* Check that all files are within .rockbox */
 555             if (strpos($filename, '.rockbox') !== 0)
 556                 $err[] = sprintf("File outside /.rockbox/: %s", $filename);
 557
 558             /* Check that all .wps, .rwps and .cfg filenames use the same shortname */
 559             switch(strtolower($pathinfo['extension'])) {
 560                 case 'cfg':
 561                     /* Save the contents for later checking */
 562                     $cfg = $this->getzipentrycontents($zip, $ze);
 563                 case 'wps':
 564                 case 'rwps':
 565                     if ($shortname === '')
 566                         $shortname = $pathinfo['filename'];
 567                     elseif ($shortname !== $pathinfo['filename'])
 568                         $err[] = sprintf("Filename invalid: %s (should be %s.%s)", $filename, $shortname, $pathinfo['extension']);
 569                     break;
 570             }
 571
 572             /*
 573              * Check that the dir inside /.rockbox/wps also has the same name.
 574              * This automatically ensures that there is only one.
 575              */
 576             if ($pathinfo['dirname'] == '.rockbox/wps' && $pathinfo['extension'] == '') {
 577                 if ($shortname === '')
 578                     $shortname = $pathinfo['filename'];
 579                 elseif ($shortname !== $pathinfo['filename'])
 580                     $err[] = sprintf("Invalid dirname: %s (should be %s.)", $filename, $shortname);
 581             }
 582
 583             /*
 584              * Check that the only files we have inside /.rockbox/backdrops/
 585              * and subdirs of /.rockbox/wps/ are .bmp files
 586              */
 587             if (strtolower($pathinfo['extension']) != 'bmp' &&
 588                 ($pathinfo['dirname'] == '.rockbox/backdrops' || // Files inside .rockbox/backdrops
 589                   ($pathinfo['dirname'] != '.rockbox/wps' && strpos($pathinfo['dirname'], '.rockbox/wps') === 0) // Files in a subdir of .rockbox/wps (first part or dirname is .rockbox/wps, but it's not all of it)
 590                 )
 591                ) {
 592                 $err[] = sprintf("Non-bmp file not allowed here: %s", $filename);
 593             }
 594
 595             /* Check for paths that are too deep */
 596             if (count(explode('/', $pathinfo['dirname'])) > 3) {
 597                 $err[] = sprintf("Path too deep: %s", $filename);
 598             }
 599
 600             /* Check for unwanted junk files */
 601             switch(strtolower($pathinfo['basename'])) {
 602                 case "thumbs.db":
 603                 case "desktop.ini":
 604                 case ".ds_store":
 605                 case ".directory":
 606                     $err[] = sprintf("Unwanted file: %s", $filename);
 607             }
 608         }
 609
 610         /* Now we check all the things that could be wrong */
 611         $this->validatecfg($cfg, $files);
 612
 613         if ($themezipupload['size'] > config::maxzippedsize)
 614             $err[] = sprintf("Theme zip too large at %s (max size is %s)", $themezipupload['size'], config::maxzippedsize);
 615         if ($totalsize > config::maxthemesize)
 616             $err[] = sprintf("Unzipped theme size too large at %s (max size is %s)", $totalsize, config::maxthemesize);
 617         if (count($files) > config::maxfiles)
 618             $err[] = sprintf("Too many files+dirs in theme (%d). Maximum is %d.", count($files), config::maxfiles);
 619
 620         if (count($wpsfound) > 1)
 621             $err[] = sprintf("More than one .wps found (%s).", implode(', ', $wpsfound));
 622         elseif (count($wpsfound) == 0)
 623             $err[] = "No .wps files found.";
 624
 625         if (count($rwpsfound) > 1)
 626             $err[] = sprintf("More than one .rwps found (%s).", implode(', ', $rwpsfound));
 627         return $err;
 628     }
 629
 630     public function validatesshot($upload, $mainlcd) {
 631         $err = array();
 632         $size = getimagesize($upload['tmp_name']);
 633         $dimensions = sprintf("%dx%d", $size[0], $size[1]);
 634         if ($size === false) {
 635             $err[] = sprintf("Couldn't open screenshot %s", $upload['name']);
 636         }
 637         else {
 638             if ($dimensions != $mainlcd) {
 639                 $err[] = sprintf("Wrong resolution of %s. Should be %s (is %s).", $upload['name'], $mainlcd, $dimensions);
 640             }
 641             if ($size[2] != IMAGETYPE_PNG) {
 642                 $err[] = "Screenshots must be of type PNG.";
 643             }
 644         }
 645         return $err;
 646     }
 647 }
 648 ?>