config/index.php

   1 <?php
   2
   3 # MediaWiki web-based config/installation
   4 # Copyright (C) 2004 Brion Vibber <brion@pobox.com>, 2006 Rob Church <robchur@gmail.com>
   5 # http://www.mediawiki.org/
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with this program; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20 # http://www.gnu.org/copyleft/gpl.html
  21
  22 error_reporting( E_ALL );
  23 header( "Content-type: text/html; charset=utf-8" );
  24 @ini_set( "display_errors", true );
  25
  26 # In case of errors, let output be clean.
  27 $wgRequestTime = microtime( true );
  28
  29 # Attempt to set up the include path, to fix problems with relative includes
  30 $IP = dirname( dirname( __FILE__ ) );
  31 define( 'MW_INSTALL_PATH', $IP );
  32
  33 # Define an entry point and include some files
  34 define( "MEDIAWIKI", true );
  35 define( "MEDIAWIKI_INSTALL", true );
  36
  37 // Run version checks before including other files
  38 // so people don't see a scary parse error.
  39 require_once( "$IP/install-utils.inc" );
  40 install_version_checks();
  41
  42 require_once( "$IP/includes/Defines.php" );
  43 require_once( "$IP/includes/DefaultSettings.php" );
  44 require_once( "$IP/includes/AutoLoader.php" );
  45 require_once( "$IP/includes/MagicWord.php" );
  46 require_once( "$IP/includes/Namespace.php" );
  47 require_once( "$IP/includes/ProfilerStub.php" );
  48 require_once( "$IP/includes/GlobalFunctions.php" );
  49 require_once( "$IP/includes/Hooks.php" );
  50 require_once( "$IP/includes/Exception.php" );
  51
  52 # If we get an exception, the user needs to know
  53 # all the details
  54 $wgShowExceptionDetails = true;
  55 $wgShowSQLErrors = true;
  56 wfInstallExceptionHandler();
  57 ## Databases we support:
  58
  59 $ourdb = array();
  60 $ourdb['mysql']['fullname']      = 'MySQL';
  61 $ourdb['mysql']['havedriver']    = 0;
  62 $ourdb['mysql']['compile']       = 'mysql';
  63 $ourdb['mysql']['bgcolor']       = '#ffe5a7';
  64 $ourdb['mysql']['rootuser']      = 'root';
  65
  66 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  67 $ourdb['postgres']['havedriver'] = 0;
  68 $ourdb['postgres']['compile']    = 'pgsql';
  69 $ourdb['postgres']['bgcolor']    = '#aaccff';
  70 $ourdb['postgres']['rootuser']   = 'postgres';
  71
  72 $ourdb['sqlite']['fullname']      = 'SQLite';
  73 $ourdb['sqlite']['havedriver']    = 0;
  74 $ourdb['sqlite']['compile']       = 'pdo_sqlite';
  75 $ourdb['sqlite']['bgcolor']       = '#b1ebb1';
  76 $ourdb['sqlite']['rootuser']      = '';
  77
  78 $ourdb['mssql']['fullname']      = 'MSSQL';
  79 $ourdb['mssql']['havedriver']    = 0;
  80 $ourdb['mssql']['compile']       = 'mssql not ready'; # Change to 'mssql' after includes/DatabaseMssql.php added;
  81 $ourdb['mssql']['bgcolor']       = '#ffc0cb';
  82 $ourdb['mssql']['rootuser']      = 'administrator';
  83
  84 $ourdb['ibm_db2']['fullname']   = 'DB2';
  85 $ourdb['ibm_db2']['havedriver'] = 0;
  86 $ourdb['ibm_db2']['compile']    = 'ibm_db2';
  87 $ourdb['ibm_db2']['bgcolor']    = '#ffeba1';
  88 $ourdb['ibm_db2']['rootuser']   = 'db2admin';
  89
  90 ?>
  91 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  92 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
  93 <head>
  94         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
  95         <meta name="robots" content="noindex,nofollow"/>
  96         <title>MediaWiki <?php echo htmlspecialchars( $wgVersion ); ?> Installation</title>
  97         <style type="text/css">
  98
  99                 @import "../skins/monobook/main.css";
 100
 101                 .env-check {
 102                         font-size: 90%;
 103                         margin: 1em 0 1em 2.5em;
 104                 }
 105
 106                 .config-section {
 107                         margin-top: 2em;
 108                 }
 109
 110                 .config-section label.column {
 111                         clear: left;
 112                         font-weight: bold;
 113                         width: 13em;
 114                         float: left;
 115                         text-align: right;
 116                         padding-right: 1em;
 117                         padding-top: .2em;
 118                 }
 119
 120                 .config-input {
 121                         clear: left;
 122                         zoom: 100%; /* IE hack */
 123                 }
 124
 125                 .config-section .config-desc {
 126                         clear: left;
 127                         margin: 0 0 2em 18em;
 128                         padding-top: 1em;
 129                         font-size: 85%;
 130                 }
 131
 132                 .iput-text, .iput-password {
 133                         width: 14em;
 134                         margin-right: 1em;
 135                 }
 136
 137                 .error {
 138                         color: red;
 139                         background-color: #fff;
 140                         font-weight: bold;
 141                         left: 1em;
 142                         font-size: 100%;
 143                 }
 144
 145                 .error-top {
 146                         color: red;
 147                         background-color: #FFF0F0;
 148                         border: 2px solid red;
 149                         font-size: 130%;
 150                         font-weight: bold;
 151                         padding: 1em 1.5em;
 152                         margin: 2em 0 1em;
 153                 }
 154
 155                 ul.plain {
 156                         list-style-type: none;
 157                         list-style-image: none;
 158                         float: left;
 159                         margin: 0;
 160                         padding: 0;
 161                 }
 162
 163                 .btn-install {
 164                         font-weight: bold;
 165                         font-size: 110%;
 166                         padding: .2em .3em;
 167                 }
 168
 169                 .license {
 170                         font-size: 85%;
 171                         padding-top: 3em;
 172                 }
 173
 174                 span.success-message {
 175                         font-weight: bold;
 176                         font-size: 110%;
 177                         color: green;
 178                 }
 179                 .success-box {
 180                         font-size: 130%;
 181                 }
 182
 183         </style>
 184         <script type="text/javascript">
 185         <!--
 186         function hideall() {
 187                 <?php foreach (array_keys($ourdb) as $db) {
 188                 echo "\n                var i = document.getElementById('$db'); if (i) i.style.display='none';";
 189                 }
 190                 ?>
 191
 192         }
 193         function toggleDBarea(id,defaultroot) {
 194                 hideall();
 195                 var dbarea = document.getElementById(id);
 196                 if (dbarea) dbarea.style.display = (dbarea.style.display == 'none') ? 'block' : 'none';
 197                 var db = document.getElementById('RootUser');
 198                 if (defaultroot) {
 199 <?php foreach (array_keys($ourdb) as $db) {
 200                         echo "                  if (id == '$db') { db.value = '".$ourdb[$db]['rootuser']."';}\n";
 201 }?>
 202                 }
 203         }
 204         // -->
 205         </script>
 206 </head>
 207
 208 <body>
 209 <div id="globalWrapper">
 210 <div id="column-content">
 211 <div id="content">
 212 <div id="bodyContent">
 213
 214 <h1>MediaWiki <?php print htmlspecialchars( $wgVersion ) ?> Installation</h1>
 215
 216 <?php
 217 $mainListOpened = false; # Is the main list (environement checking) opend ? Used by dieout
 218
 219 /* Check for existing configurations and bug out! */
 220
 221 if( file_exists( "../LocalSettings.php" ) ) {
 222         $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 223         dieout( "<p><strong>Setup has completed, <a href='../$script'>your wiki</a> is configured.</strong></p>
 224         <p>Please delete the /config directory for extra security.</p>" );
 225 }
 226
 227 if( file_exists( "./LocalSettings.php" ) ) {
 228         writeSuccessMessage();
 229         dieout( '' );
 230 }
 231
 232 if( !is_writable( "." ) ) {
 233         dieout( "<h2>Can't write config file, aborting</h2>
 234
 235         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 236         writable by the web server. Once configuration is done you'll move the created
 237         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 238         then remove the <tt>config</tt> subdirectory entirely.</p>
 239
 240         <p>To make the directory writable on a Unix/Linux system:</p>
 241
 242         <pre>
 243         cd <i>/path/to/wiki</i>
 244         chmod a+w config
 245         </pre>
 246
 247         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 248 }
 249
 250
 251 require_once( "$IP/install-utils.inc" );
 252 require_once( "$IP/maintenance/updaters.inc" );
 253
 254 class ConfigData {
 255         function getEncoded( $data ) {
 256                 # removing latin1 support, no need...
 257                 return $data;
 258         }
 259         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 260         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 261         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 262
 263         function setSchema( $schema, $engine ) {
 264                 $this->DBschema = $schema;
 265                 if ( !preg_match( '/^\w*$/', $engine ) ){
 266                         $engine = 'InnoDB';
 267                 }
 268                 switch ( $this->DBschema ) {
 269                         case 'mysql5':
 270                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=utf8";
 271                                 $this->DBmysql5 = 'true';
 272                                 break;
 273                         case 'mysql5-binary':
 274                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=binary";
 275                                 $this->DBmysql5 = 'true';
 276                                 break;
 277                         default:
 278                                 $this->DBTableOptions = "TYPE=$engine";
 279                                 $this->DBmysql5 = 'false';
 280                 }
 281                 $this->DBengine = $engine;
 282
 283                 # Set the global for use during install
 284                 global $wgDBTableOptions;
 285                 $wgDBTableOptions = $this->DBTableOptions;
 286         }
 287 }
 288
 289 ?>
 290
 291 <ul>
 292         <li>
 293                 <b>Don't forget security updates!</b> Keep an eye on the
 294                 <a href="http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 295                 release announcements mailing list</a>.
 296         </li>
 297 </ul>
 298
 299
 300 <h2>Checking environment...</h2>
 301 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 302 <ul class="env-check">
 303 <?php
 304 $mainListOpened = true;
 305
 306 $endl = "
 307 ";
 308 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 309 $conf = new ConfigData;
 310
 311 install_version_checks();
 312 $self = 'Installer'; # Maintenance script name, to please Setup.php
 313
 314 print "<li>PHP " . htmlspecialchars( phpversion() ) . " installed</li>\n";
 315
 316 error_reporting( 0 );
 317 $phpdatabases = array();
 318 foreach (array_keys($ourdb) as $db) {
 319         $compname = $ourdb[$db]['compile'];
 320         if( extension_loaded( $compname ) || ( mw_have_dl() && dl( "{$compname}." . PHP_SHLIB_SUFFIX ) ) ) {
 321                 array_push($phpdatabases, $db);
 322                 $ourdb[$db]['havedriver'] = 1;
 323         }
 324 }
 325 error_reporting( E_ALL );
 326
 327 if (!$phpdatabases) {
 328         print "Could not find a suitable database driver!<ul>";
 329         foreach (array_keys($ourdb) AS $db) {
 330                 $comp = $ourdb[$db]['compile'];
 331                 $full = $ourdb[$db]['fullname'];
 332                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 333                         ."or install the $comp.so module</li>\n";
 334         }
 335         echo '</ul>';
 336         dieout( '' );
 337 }
 338
 339 print "<li>Found database drivers for:";
 340 $DefaultDBtype = '';
 341 foreach (array_keys($ourdb) AS $db) {
 342         if ($ourdb[$db]['havedriver']) {
 343                 if ( $DefaultDBtype == '' ) {
 344                         $DefaultDBtype = $db;
 345                 }
 346                 print "  ".$ourdb[$db]['fullname'];
 347         }
 348 }
 349 print "</li>\n";
 350
 351 if( wfIniGetBool( "register_globals" ) ) {
 352         ?>
 353         <li>
 354                 <div style="font-size:110%">
 355                 <strong class="error">Warning:</strong>
 356                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 357                 </div>
 358                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 359         </li>
 360         <?php
 361 }
 362
 363 $fatal = false;
 364
 365 if( wfIniGetBool( "magic_quotes_runtime" ) ) {
 366         $fatal = true;
 367         ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.info.php#ini.magic-quotes-runtime'>magic_quotes_runtime</a> is active!</strong>
 368         This option corrupts data input unpredictably; you cannot install or use
 369         MediaWiki unless this option is disabled.</li>
 370         <?php
 371 }
 372
 373 if( wfIniGetBool( "magic_quotes_sybase" ) ) {
 374         $fatal = true;
 375         ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.sybase.php#ini.magic-quotes-sybase'>magic_quotes_sybase</a> is active!</strong>
 376         This option corrupts data input unpredictably; you cannot install or use
 377         MediaWiki unless this option is disabled.</li>
 378         <?php
 379 }
 380
 381 if( wfIniGetBool( "mbstring.func_overload" ) ) {
 382         $fatal = true;
 383         ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.mbstring.php#mbstring.overload'>mbstring.func_overload</a> is active!</strong>
 384         This option causes errors and may corrupt data unpredictably;
 385         you cannot install or use MediaWiki unless this option is disabled.</li>
 386         <?php
 387 }
 388
 389 if( wfIniGetBool( "zend.ze1_compatibility_mode" ) ) {
 390         $fatal = true;
 391         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 392         This option causes horrible bugs with MediaWiki; you cannot install or use
 393         MediaWiki unless this option is disabled.</li>
 394         <?php
 395 }
 396
 397
 398 if( $fatal ) {
 399         dieout( "Cannot install MediaWiki." );
 400 }
 401
 402 if( wfIniGetBool( "safe_mode" ) ) {
 403         $conf->safeMode = true;
 404         ?>
 405         <li><b class='error'>Warning:</b> <strong>PHP's
 406         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 407         You may have problems caused by this, particularly if using image uploads.
 408         </li>
 409         <?php
 410 } else {
 411         $conf->safeMode = false;
 412 }
 413
 414 $sapi = htmlspecialchars( php_sapi_name() );
 415 print "<li>PHP server API is $sapi; ";
 416 $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 417 if( $wgUsePathInfo ) {
 418  print "ok, using pretty URLs (<tt>$script/Page_Title</tt>)";
 419 } else {
 420         print "using ugly URLs (<tt>$script?title=Page_Title</tt>)";
 421 }
 422 print "</li>\n";
 423
 424 $conf->xml = function_exists( "utf8_encode" );
 425 if( $conf->xml ) {
 426         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 427 } else {
 428         dieout( "PHP's XML module is missing; the wiki requires functions in
 429                 this module and won't work in this configuration.
 430                 If you're running Mandrake, install the php-xml package." );
 431 }
 432
 433 # Check for session support
 434 if( !function_exists( 'session_name' ) )
 435         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 436
 437 # session.save_path doesn't *have* to be set, but if it is, and it's
 438 # not valid/writable/etc. then it can cause problems
 439 $sessionSavePath = mw_get_session_save_path();
 440 $ssp = htmlspecialchars( $sessionSavePath );
 441 # Warn the user if it's not set, but let them proceed
 442 if( !$sessionSavePath ) {
 443         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 444         has not been set in PHP.ini. If the default value causes problems with
 445         saving session data, set it to a valid path which is read/write/execute
 446         for the user your web server is running under.</li>";
 447 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 448         # All good? Let the user know
 449         print "<li>Session save path (<tt>{$ssp}</tt>) appears to be valid.</li>";
 450 } else {
 451         # Something not right? Warn the user, but let them proceed
 452         print "<li><strong>Warning:</strong> Your <tt>session.save_path</tt> value (<tt>{$ssp}</tt>)
 453                 appears to be invalid or is not writable. PHP needs to be able to save data to
 454                 this location for correct session operation.</li>";
 455 }
 456
 457 # Check for PCRE support
 458 if( !function_exists( 'preg_match' ) )
 459         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 460         Perl-compatible regular expression functions." );
 461
 462 $memlimit = ini_get( "memory_limit" );
 463 $conf->raiseMemory = false;
 464 if( empty( $memlimit ) || $memlimit == -1 ) {
 465         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 466 } else {
 467         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". ";
 468         $n = intval( $memlimit );
 469         if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
 470                 $n = intval( $m[1] * (1024*1024) );
 471         }
 472         if( $n < 20*1024*1024 ) {
 473                 print "Attempting to raise limit to 20M... ";
 474                 if( false === ini_set( "memory_limit", "20M" ) ) {
 475                         print "failed.<br /><b>" . htmlspecialchars( $memlimit ) . " seems too low, installation may fail!</b>";
 476                 } else {
 477                         $conf->raiseMemory = true;
 478                         print "ok.";
 479                 }
 480         }
 481         print "</li>\n";
 482 }
 483
 484 $conf->turck = function_exists( 'mmcache_get' );
 485 if ( $conf->turck ) {
 486         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 487 }
 488
 489 $conf->xcache = function_exists( 'xcache_get' );
 490 if( $conf->xcache )
 491         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>\n";
 492
 493 $conf->apc = function_exists('apc_fetch');
 494 if ($conf->apc ) {
 495         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>\n";
 496 }
 497
 498 $conf->eaccel = function_exists( 'eaccelerator_get' );
 499 if ( $conf->eaccel ) {
 500         $conf->turck = 'eaccelerator';
 501         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 502 }
 503
 504 $conf->dba = function_exists( 'dba_open' );
 505
 506 if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 507         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 508                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>,
 509                 <a href="http://www.php.net/apc">APC</a> or <a href="http://trac.lighttpd.net/xcache/">XCache</a>;
 510                 cannot use these for object caching.</li>' );
 511 }
 512
 513 $conf->diff3 = false;
 514 $diff3locations = array_merge(
 515         array(
 516                 "/usr/bin",
 517                 "/usr/local/bin",
 518                 "/opt/csw/bin",
 519                 "/usr/gnu/bin",
 520                 "/usr/sfw/bin" ),
 521         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 522 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 523
 524 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 525 foreach ($diff3locations as $loc) {
 526         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 527         if ($exe !== false) {
 528                 $conf->diff3 = $exe;
 529                 break;
 530         }
 531 }
 532
 533 if ($conf->diff3)
 534         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 535 else
 536         print "<li>GNU diff3 not found.</li>";
 537
 538 $conf->ImageMagick = false;
 539 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 540 foreach( $imcheck as $dir ) {
 541         $im = "$dir/convert";
 542         if( @file_exists( $im ) ) {
 543                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 544                 $conf->ImageMagick = $im;
 545                 break;
 546         }
 547 }
 548
 549 $conf->HaveGD = function_exists( "imagejpeg" );
 550 if( $conf->HaveGD ) {
 551         print "<li>Found GD graphics library built-in";
 552         if( !$conf->ImageMagick ) {
 553                 print ", image thumbnailing will be enabled if you enable uploads";
 554         }
 555         print ".</li>\n";
 556 } else {
 557         if( !$conf->ImageMagick ) {
 558                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 559         }
 560 }
 561
 562 $conf->IP = dirname( dirname( __FILE__ ) );
 563 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 564
 565
 566 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 567 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 568 // to get the path to the current script... hopefully it's reliable. SIGH
 569 $path = ($_SERVER["PHP_SELF"] === '')
 570         ? $_SERVER["SCRIPT_NAME"]
 571         : $_SERVER["PHP_SELF"];
 572
 573 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 574 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 575
 576
 577
 578 // We may be installing from *.php5 extension file, if so, print message
 579 $conf->ScriptExtension = '.php';
 580 if (defined('MW_INSTALL_PHP5_EXT')) {
 581     $conf->ScriptExtension = '.php5';
 582     print "<li>Installing MediaWiki with <tt>php5</tt> file extensions</li>\n";
 583 } else {
 584     print "<li>Installing MediaWiki with <tt>php</tt> file extensions</li>\n";
 585 }
 586
 587
 588 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 589         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 590
 591         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 592         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 593                 ? 'root@localhost'
 594                 : $_SERVER["SERVER_ADMIN"];
 595         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 596         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 597         if ( !isset( $ourdb[$conf->DBtype] ) ) {
 598                 $conf->DBtype = $DefaultDBtype;
 599         }
 600
 601         $conf->DBserver = importPost( "DBserver", "localhost" );
 602         $conf->DBname = importPost( "DBname", "wikidb" );
 603         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 604         $conf->DBpassword = importPost( "DBpassword" );
 605         $conf->DBpassword2 = importPost( "DBpassword2" );
 606         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 607         $conf->SysopPass = importPost( "SysopPass" );
 608         $conf->SysopPass2 = importPost( "SysopPass2" );
 609         $conf->RootUser = importPost( "RootUser", "root" );
 610         $conf->RootPW = importPost( "RootPW", "" );
 611         $useRoot = importCheck( 'useroot', false );
 612         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 613         ## MySQL specific:
 614         $conf->DBprefix     = importPost( "DBprefix" );
 615         $conf->setSchema(
 616                 importPost( "DBschema", "mysql5-binary" ),
 617                 importPost( "DBengine", "InnoDB" ) );
 618
 619         ## Postgres specific:
 620         $conf->DBport      = importPost( "DBport",      "5432" );
 621         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 622         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 623
 624         ## SQLite specific
 625         $conf->SQLiteDataDir = importPost( "SQLiteDataDir", "" );
 626
 627         ## MSSQL specific
 628         // We need a second field so it doesn't overwrite the MySQL one
 629         $conf->DBprefix2 = importPost( "DBprefix2" );
 630
 631         ## DB2 specific:
 632         // New variable in order to have a different default port number
 633         $conf->DBport_db2   = importPost( "DBport_db2",      "50000" );
 634         $conf->DBmwschema   = importPost( "DBmwschema",  "mediawiki" );
 635         $conf->DBcataloged  = importPost( "DBcataloged",  "cataloged" );
 636
 637         $conf->ShellLocale = getShellLocale( $conf->LanguageCode );
 638
 639 /* Check for validity */
 640 $errs = array();
 641
 642 if( preg_match( '/^$|^mediawiki$|#/i', $conf->Sitename ) ) {
 643         $errs["Sitename"] = "Must not be blank or \"MediaWiki\" and may not contain \"#\"";
 644 }
 645 if( $conf->DBuser == "" ) {
 646         $errs["DBuser"] = "Must not be blank";
 647 }
 648 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 649         $errs["DBuser"] = "Username too long";
 650 }
 651 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 652         $errs["DBpassword"] = "Must not be blank";
 653 }
 654 if( $conf->DBpassword != $conf->DBpassword2 ) {
 655         $errs["DBpassword2"] = "Passwords don't match!";
 656 }
 657 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 658         $errs["DBprefix"] = "Invalid table prefix";
 659 } else {
 660         untaint( $conf->DBprefix, TC_MYSQL );
 661 }
 662
 663 error_reporting( E_ALL );
 664
 665 /**
 666  * Initialise $wgLang and $wgContLang to something so we can
 667  * call case-folding methods. Per Brion, this is English for
 668  * now, although we could be clever and initialise to the
 669  * user-selected language.
 670  */
 671 $wgContLang = Language::factory( 'en' );
 672 $wgLang = $wgContLang;
 673
 674 /**
 675  * We're messing about with users, so we need a stub
 676  * authentication plugin...
 677  */
 678 $wgAuth = new AuthPlugin();
 679
 680 /**
 681  * Validate the initial administrator account; username,
 682  * password checks, etc.
 683  */
 684 if( $conf->SysopName ) {
 685         # Check that the user can be created
 686         $u = User::newFromName( $conf->SysopName );
 687         if( is_a($u, 'User') ) { // please do not use instanceof, it breaks PHP4
 688                 # Various password checks
 689                 if( $conf->SysopPass != '' ) {
 690                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 691                                 if( !$u->isValidPassword( $conf->SysopPass ) ) {
 692                                         $errs['SysopPass'] = "Bad password";
 693                                 }
 694                         } else {
 695                                 $errs['SysopPass2'] = "Passwords don't match";
 696                         }
 697                 } else {
 698                         $errs['SysopPass'] = "Cannot be blank";
 699                 }
 700                 unset( $u );
 701         } else {
 702                 $errs['SysopName'] = "Bad username";
 703         }
 704 }
 705
 706 $conf->License = importRequest( "License", "none" );
 707 if( $conf->License == "gfdl1_2" ) {
 708         $conf->RightsUrl = "http://www.gnu.org/licenses/old-licenses/fdl-1.2.txt";
 709         $conf->RightsText = "GNU Free Documentation License 1.2";
 710         $conf->RightsCode = "gfdl1_2";
 711         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 712 } elseif( $conf->License == "gfdl1_3" ) {
 713         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 714         $conf->RightsText = "GNU Free Documentation License 1.3";
 715         $conf->RightsCode = "gfdl1_3";
 716         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 717 } elseif( $conf->License == "none" ) {
 718         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 719 } elseif( $conf->License == "pd" ) {
 720         $conf->RightsUrl = "http://creativecommons.org/licenses/publicdomain/";
 721         $conf->RightsText = "Public Domain";
 722         $conf->RightsCode = "pd";
 723         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/public-domain.png';
 724 } else {
 725         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 726         $conf->RightsText = importRequest( "RightsText", "" );
 727         $conf->RightsCode = importRequest( "RightsCode", "" );
 728         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 729 }
 730
 731 $conf->Shm = importRequest( "Shm", "none" );
 732 $conf->MCServers = importRequest( "MCServers" );
 733
 734 /* Test memcached servers */
 735
 736 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 737         $conf->MCServerArray = wfArrayMap( 'trim', explode( ',', $conf->MCServers ) );
 738         foreach ( $conf->MCServerArray as $server ) {
 739                 $error = testMemcachedServer( $server );
 740                 if ( $error ) {
 741                         $errs["MCServers"] = $error;
 742                         break;
 743                 }
 744         }
 745 } else if ( $conf->Shm == 'memcached' ) {
 746         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 747 }
 748
 749 /* default values for installation */
 750 $conf->Email     = importRequest("Email", "email_enabled");
 751 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 752 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 753 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 754
 755 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 756         do { /* So we can 'continue' to end prematurely */
 757                 $conf->Root = ($conf->RootPW != "");
 758
 759                 /* Load up the settings and get installin' */
 760                 $local = writeLocalSettings( $conf );
 761                 echo "<li style=\"list-style: none\">\n";
 762                 echo "<p><b>Generating configuration file...</b></p>\n";
 763                 echo "</li>\n";
 764
 765                 $wgCommandLineMode = false;
 766                 chdir( ".." );
 767                 $ok = eval( $local );
 768                 if( $ok === false ) {
 769                         dieout( "<p>Errors in generated configuration; " .
 770                                 "most likely due to a bug in the installer... " .
 771                                 "Config file was: </p>" .
 772                                 "<pre>" .
 773                                 htmlspecialchars( $local ) .
 774                                 "</pre>" );
 775                 }
 776                 $conf->DBtypename = '';
 777                 foreach (array_keys($ourdb) as $db) {
 778                         if ($conf->DBtype === $db)
 779                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 780                 }
 781                 if ( ! strlen($conf->DBtype)) {
 782                         $errs["DBpicktype"] = "Please choose a database type";
 783                         continue;
 784                 }
 785
 786                 if (! $conf->DBtypename) {
 787                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 788                         continue;
 789                 }
 790                 print "<li>Database type: " . htmlspecialchars( $conf->DBtypename ) . "</li>\n";
 791                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 792                 $wgDBtype = $conf->DBtype;
 793                 $wgDBadminuser = "root";
 794                 $wgDBadminpassword = $conf->RootPW;
 795
 796                 ## Mysql specific:
 797                 $wgDBprefix = $conf->DBprefix;
 798
 799                 ## Postgres specific:
 800                 $wgDBport      = $conf->DBport;
 801                 $wgDBmwschema  = $conf->DBmwschema;
 802                 $wgDBts2schema = $conf->DBts2schema;
 803
 804                 if( $conf->DBprefix2 != '' ) {
 805                         // For MSSQL
 806                         $wgDBprefix = $conf->DBprefix2;
 807                 }
 808
 809                 ## DB2 specific:
 810                 $wgDBcataloged = $conf->DBcataloged;
 811
 812                 $wgCommandLineMode = true;
 813                 if (! defined ( 'STDERR' ) )
 814                         define( 'STDERR', fopen("php://stderr", "wb"));
 815                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 816                 require_once( "$IP/includes/Setup.php" );
 817                 chdir( "config" );
 818
 819                 $wgTitle = Title::newFromText( "Installation script" );
 820                 error_reporting( E_ALL );
 821                 print "<li>Loading class: " . htmlspecialchars( $dbclass ) . "</li>\n";
 822                 if ( $conf->DBtype != 'sqlite' ) {
 823                         $dbc = new $dbclass;
 824                 }
 825
 826                 if( $conf->DBtype == 'mysql' ) {
 827                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 828                         if( $mysqlOldClient ) {
 829                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 830                                         using a MySQL 4.1 server and have problems connecting to the database,
 831                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 832                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 833                         }
 834                         $ok = true; # Let's be optimistic
 835
 836                         # Decide if we're going to use the superuser or the regular database user
 837                         $conf->Root = $useRoot;
 838                         if( $conf->Root ) {
 839                                 $db_user = $conf->RootUser;
 840                                 $db_pass = $conf->RootPW;
 841                         } else {
 842                                 $db_user = $wgDBuser;
 843                                 $db_pass = $wgDBpassword;
 844                         }
 845
 846                         # Attempt to connect
 847                         echo( "<li>Attempting to connect to database server as " . htmlspecialchars( $db_user ) . "..." );
 848                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 849
 850                         # Check the connection and respond to errors
 851                         if( $wgDatabase->isOpen() ) {
 852                                 # Seems OK
 853                                 $ok = true;
 854                                 $wgDBadminuser = $db_user;
 855                                 $wgDBadminpassword = $db_pass;
 856                                 echo( "success.</li>\n" );
 857                                 $wgDatabase->ignoreErrors( true );
 858                                 $myver = $wgDatabase->getServerVersion();
 859                         } else {
 860                                 # There were errors, report them and back out
 861                                 $ok = false;
 862                                 $errno = mysql_errno();
 863                                 $errtx = htmlspecialchars( mysql_error() );
 864                                 switch( $errno ) {
 865                                         case 1045:
 866                                         case 2000:
 867                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 868                                                 if( $conf->Root ) {
 869                                                         # The superuser details are wrong
 870                                                         $errs["RootUser"] = "Check username";
 871                                                         $errs["RootPW"] = "and password";
 872                                                 } else {
 873                                                         # The regular user details are wrong
 874                                                         $errs["DBuser"] = "Check username";
 875                                                         $errs["DBpassword"] = "and password";
 876                                                 }
 877                                                 break;
 878                                         case 2002:
 879                                         case 2003:
 880                                         default:
 881                                                 # General connection problem
 882                                                 echo( htmlspecialchars( "failed with error [$errno] $errtx." ) . "</li>\n" );
 883                                                 $errs["DBserver"] = "Connection failed";
 884                                                 break;
 885                                 } # switch
 886                         } #conn. att.
 887
 888                         if( !$ok ) { continue; }
 889                 }
 890                 else if( $conf->DBtype == 'ibm_db2' ) {
 891                         if( $useRoot ) {
 892                                 $db_user = $conf->RootUser;
 893                                 $db_pass = $conf->RootPW;
 894                         } else {
 895                                 $db_user = $wgDBuser;
 896                                 $db_pass = $wgDBpassword;
 897                         }
 898
 899                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
 900                                 "\" as \"" . htmlspecialchars( $db_user ) . "\"..." );
 901                         $wgDatabase = $dbc->newFromParams($wgDBserver, $db_user, $db_pass, $wgDBname, 1);
 902                         if (!$wgDatabase->isOpen()) {
 903                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 904                         } else {
 905                                 $myver = $wgDatabase->getServerVersion();
 906                         }
 907                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 908
 909                 } elseif ( $conf->DBtype == 'sqlite' ) {
 910                         if ("$wgSQLiteDataDir" == '') {
 911                                 $wgSQLiteDataDir = dirname($_SERVER['DOCUMENT_ROOT']).'/data';
 912                         }
 913                         echo "<li>Attempting to connect to SQLite database at \"" .
 914                                 htmlspecialchars( $wgSQLiteDataDir ) .  "\"";
 915                         if ( !is_dir( $wgSQLiteDataDir ) ) {
 916                                 if ( is_writable( dirname( $wgSQLiteDataDir ) ) ) {
 917                                         $ok = wfMkdirParents( $wgSQLiteDataDir, $wgSQLiteDataDirMode );
 918                                 } else {
 919                                         $ok = false;
 920                                 }
 921                                 if ( !$ok ) {
 922                                         echo ": cannot create data directory</li>";
 923                                         $errs['SQLiteDataDir'] = 'Enter a valid data directory';
 924                                         continue;
 925                                 }
 926                         }
 927                         if ( !is_writable( $wgSQLiteDataDir ) ) {
 928                                 echo ": data directory not writable</li>";
 929                                 $errs['SQLiteDataDir'] = 'Enter a writable data directory';
 930                                 continue;
 931                         }
 932                         $dataFile = "$wgSQLiteDataDir/$wgDBname.sqlite";
 933                         if ( file_exists( $dataFile ) && !is_writable( $dataFile ) ) {
 934                                 echo ": data file not writable</li>";
 935                                 $errs['SQLiteDataDir'] = "$wgDBname.sqlite is not writable";
 936                                 continue;
 937                         }
 938                         $wgDatabase = new DatabaseSqlite( false, false, false, $wgDBname, 1 );
 939                         if (!$wgDatabase->isOpen()) {
 940                                 print ": error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 941                                 $errs['SQLiteDataDir'] = 'Could not connect to database';
 942                                 continue;
 943                         } else {
 944                                 $myver = $wgDatabase->getServerVersion();
 945                         }
 946                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 947                         echo "ok</li>\n";
 948                 } else { # not mysql
 949                         error_reporting( E_ALL );
 950                         $wgSuperUser = '';
 951                         ## Possible connect as a superuser
 952                         // Changed !mysql to postgres check since it seems to only apply to postgres
 953                         if( $useRoot && $conf->DBtype == 'postgres' ) {
 954                                 $wgDBsuperuser = $conf->RootUser;
 955                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"" .
 956                                         htmlspecialchars( $wgDBsuperuser ) . "\"..." );
 957                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
 958                                 if (!$wgDatabase->isOpen()) {
 959                                         print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 960                                         $errs["DBserver"] = "Could not connect to database as superuser";
 961                                         $errs["RootUser"] = "Check username";
 962                                         $errs["RootPW"] = "and password";
 963                                         continue;
 964                                 }
 965                                 $wgDatabase->initial_setup($conf->RootPW, 'postgres');
 966                         }
 967                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
 968                                 "\" as \"" . htmlspecialchars( $wgDBuser ) . "\"..." );
 969                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
 970                         if (!$wgDatabase->isOpen()) {
 971                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 972                         } else {
 973                                 $myver = $wgDatabase->getServerVersion();
 974                         }
 975                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 976                 }
 977
 978                 if ( !$wgDatabase->isOpen() ) {
 979                         $errs["DBserver"] = "Couldn't connect to database";
 980                         continue;
 981                 }
 982
 983                 print "<li>Connected to " . htmlspecialchars( "{$conf->DBtype} $myver" );
 984                 if ($conf->DBtype == 'mysql') {
 985                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
 986                                 print "</li>\n";
 987                                 dieout( "-- mysql 4.0.14 or later required. Aborting." );
 988                         }
 989                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
 990                         if( $mysqlNewAuth && $mysqlOldClient ) {
 991                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
 992                                         to old client libraries; if you have trouble with authentication, see
 993                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 994                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
 995                         }
 996                         if( $wgDBmysql5 ) {
 997                                 if( $mysqlNewAuth ) {
 998                                         print "; enabling MySQL 4.1/5.0 charset mode";
 999                                 } else {
1000                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
1001                                                 but older version detected; will likely fail.</b>";
1002                                 }
1003                         }
1004                         print "</li>\n";
1005
1006                         @$sel = $wgDatabase->selectDB( $wgDBname );
1007                         if( $sel ) {
1008                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
1009                         } else {
1010                                 $err = mysql_errno();
1011                                 $databaseSafe = htmlspecialchars( $wgDBname );
1012                                 if( $err == 1102 /* Invalid database name */ ) {
1013                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
1014                                         continue;
1015                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
1016                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
1017                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
1018                                         continue;
1019                                 }
1020                                 print "<li>Attempting to create database...</li>";
1021                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
1022                                 if( !$res ) {
1023                                         print "<li>Couldn't create database <tt>" .
1024                                                 htmlspecialchars( $wgDBname ) .
1025                                                 "</tt>; try with root access or check your username/pass.</li>\n";
1026                                         $errs["RootPW"] = "&lt;- Enter";
1027                                         continue;
1028                                 }
1029                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
1030                         }
1031                         $wgDatabase->selectDB( $wgDBname );
1032                 }
1033                 else if ($conf->DBtype == 'postgres') {
1034                         if( version_compare( $myver, "8.0" ) < 0 ) {
1035                                 dieout( "<b>Postgres 8.0 or later is required</b>. Aborting." );
1036                         }
1037                 }
1038
1039                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
1040                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
1041
1042                         if ( $conf->DBtype == 'mysql') {
1043                                 # Determine existing default character set
1044                                 if ( $wgDatabase->tableExists( "revision" ) ) {
1045                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
1046                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
1047                                         $row = $wgDatabase->fetchObject( $res );
1048                                         if ( !$row ) {
1049                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
1050                                                 $existingSchema = false;
1051                                                 $existingEngine = false;
1052                                         } else {
1053                                                 if ( preg_match( '/^latin1/', $row->Collation ) ) {
1054                                                         $existingSchema = 'mysql4';
1055                                                 } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
1056                                                         $existingSchema = 'mysql5';
1057                                                 } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
1058                                                         $existingSchema = 'mysql5-binary';
1059                                                 } else {
1060                                                         $existingSchema = false;
1061                                                         echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
1062                                                 }
1063                                                 if ( isset( $row->Engine ) ) {
1064                                                         $existingEngine = $row->Engine;
1065                                                 } else {
1066                                                         $existingEngine = $row->Type;
1067                                                 }
1068                                         }
1069                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
1070                                                 $encExisting = htmlspecialchars( $existingSchema );
1071                                                 $encRequested = htmlspecialchars( $conf->DBschema );
1072                                                 print "<li><strong>Warning:</strong> you requested the $encRequested schema, " .
1073                                                         "but the existing database has the $encExisting schema. This upgrade script ".
1074                                                         "can't convert it, so it will remain $encExisting.</li>\n";
1075                                                 $conf->setSchema( $existingSchema, $conf->DBengine );
1076                                         }
1077                                         if ( $existingEngine && $existingEngine != $conf->DBengine ) {
1078                                                 $encExisting = htmlspecialchars( $existingEngine );
1079                                                 $encRequested = htmlspecialchars( $conf->DBengine );
1080                                                 print "<li><strong>Warning:</strong> you requested the $encRequested storage " .
1081                                                         "engine, but the existing database uses the $encExisting engine. This upgrade " .
1082                                                         "script can't convert it, so it will remain $encExisting.</li>\n";
1083                                                 $conf->setSchema( $conf->DBschema, $existingEngine );
1084                                         }
1085                                 }
1086
1087                                 # Create user if required
1088                                 if ( $conf->Root ) {
1089                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1090                                         if ( $conn->isOpen() ) {
1091                                                 print "<li>DB user account ok</li>\n";
1092                                                 $conn->close();
1093                                         } else {
1094                                                 print "<li>Granting user permissions...";
1095                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
1096                                                         print " <b class='error'>If the next step fails, see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'>http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
1097                                                 }
1098                                                 print "</li>\n";
1099                                                 dbsource( "../maintenance/users.sql", $wgDatabase );
1100                                         }
1101                                 }
1102                         }
1103                         print "</ul><pre>\n";
1104                         chdir( ".." );
1105                         flush();
1106                         do_all_updates();
1107                         chdir( "config" );
1108                         print "</pre>\n";
1109                         print "<ul><li>Finished update checks.</li>\n";
1110                 } else {
1111                         # Determine available storage engines if possible
1112                         if ( $conf->DBtype == 'mysql' && version_compare( $myver, "4.1.2", "ge" ) ) {
1113                                 $res = $wgDatabase->query( 'SHOW ENGINES' );
1114                                 $found = false;
1115                                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
1116                                         if ( $row->Engine == $conf->DBengine ) {
1117                                                 $found = true;
1118                                                 break;
1119                                         }
1120                                 }
1121                                 $wgDatabase->freeResult( $res );
1122                                 if ( !$found && $conf->DBengine != 'MyISAM' ) {
1123                                         echo "<li><strong>Warning:</strong> " . htmlspecialchars( $conf->DBengine ) .
1124                                                 " storage engine not available, " .
1125                                                 "using MyISAM instead</li>\n";
1126                                         $conf->setSchema( $conf->DBschema, 'MyISAM' );
1127                                 }
1128                         }
1129
1130                         # FIXME: Check for errors
1131                         print "<li>Creating tables...";
1132                         if ($conf->DBtype == 'mysql') {
1133                                 dbsource( "../maintenance/tables.sql", $wgDatabase );
1134                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
1135                         } elseif (is_callable(array($wgDatabase, 'setup_database'))) {
1136                                 $wgDatabase->setup_database();
1137                         }
1138                         else {
1139                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
1140                                 continue;
1141                         }
1142
1143                         print " done.</li>\n";
1144
1145                         print "<li>Initializing statistics...</li>\n";
1146                         $wgDatabase->insert( 'site_stats',
1147                                 array ( 'ss_row_id'        => 1,
1148                                                 'ss_total_views'   => 0,
1149                                                 'ss_total_edits'   => 1, # Main page first edit
1150                                                 'ss_good_articles' => 0, # Main page is not a good article - no internal link
1151                                                 'ss_total_pages'   => 1, # Main page
1152                                                 'ss_users'         => $conf->SysopName ? 1 : 0, # Sysop account, if created
1153                                                 'ss_admins'        => $conf->SysopName ? 1 : 0, # Sysop account, if created
1154                                                 'ss_images'        => 0 ) );
1155
1156                         # Set up the "regular user" account *if we can, and if we need to*
1157                         if( $conf->Root and $conf->DBtype == 'mysql') {
1158                                 # See if we need to
1159                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1160                                 if( $wgDatabase2->isOpen() ) {
1161                                         # Nope, just close the test connection and continue
1162                                         $wgDatabase2->close();
1163                                         echo( "<li>User " . htmlspecialchars( $wgDBuser ) . " exists. Skipping grants.</li>\n" );
1164                                 } else {
1165                                         # Yes, so run the grants
1166                                         echo( "<li>" . htmlspecialchars( "Granting user permissions to $wgDBuser on $wgDBname..." ) );
1167                                         dbsource( "../maintenance/users.sql", $wgDatabase );
1168                                         echo( "success.</li>\n" );
1169                                 }
1170                         }
1171
1172                         if( $conf->SysopName ) {
1173                                 $u = User::newFromName( $conf->getSysopName() );
1174                                 if ( !$u ) {
1175                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
1176                                 }
1177                                 else if ( 0 == $u->idForName() ) {
1178                                         $u->addToDatabase();
1179                                         $u->setPassword( $conf->getSysopPass() );
1180                                         $u->saveSettings();
1181
1182                                         $u->addGroup( "sysop" );
1183                                         $u->addGroup( "bureaucrat" );
1184
1185                                         print "<li>Created sysop account <tt>" .
1186                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
1187                                 } else {
1188                                         print "<li>Could not create user - already exists!</li>\n";
1189                                 }
1190                         } else {
1191                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
1192                         }
1193
1194                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1195                         $article = new Article( $titleobj );
1196                         $newid = $article->insertOn( $wgDatabase );
1197                         $revision = new Revision( array(
1198                                 'page'      => $newid,
1199                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1200                                 'comment'   => '',
1201                                 'user'      => 0,
1202                                 'user_text' => 'MediaWiki default',
1203                                 ) );
1204                         $revid = $revision->insertOn( $wgDatabase );
1205                         $article->updateRevisionOn( $wgDatabase, $revision );
1206                 }
1207                 // Now that all database work is done, make sure everything is committed
1208                 $wgDatabase->commit();
1209
1210                 /* Write out the config file now that all is well */
1211                 print "<li style=\"list-style: none\">\n";
1212                 print "<p>Creating LocalSettings.php...</p>\n\n";
1213                 $localSettings = "<" . "?php$endl$local";
1214                 // Fix up a common line-ending problem (due to CVS on Windows)
1215                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1216                 $f = fopen( "LocalSettings.php", 'xt' );
1217
1218                 if( $f == false ) {
1219                         print( "</li>\n" );
1220                         dieout( "<p>Couldn't write out LocalSettings.php. Check that the directory permissions are correct and that there isn't already a file of that name here...</p>\n" .
1221                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1222                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1223                 }
1224                 if(fwrite( $f, $localSettings ) ) {
1225                         fclose( $f );
1226                         print "<hr/>\n";
1227                         writeSuccessMessage();
1228                         print "</li>\n";
1229                 } else {
1230                         fclose( $f );
1231                         dieout( "<p class='error'>An error occured while writing the config/LocalSettings.php file. Check user rights and disk space then try again.</p></li>\n" );
1232                 }
1233
1234         } while( false );
1235 }
1236
1237 print "</ul>\n";
1238 $mainListOpened = false;
1239
1240 if( count( $errs ) ) {
1241         /* Display options form */
1242
1243         if( $conf->posted ) {
1244                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1245         }
1246 ?>
1247
1248 <form action="<?php echo defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php'; ?>" name="config" method="post">
1249
1250 <h2>Site config</h2>
1251
1252 <div class="config-section">
1253         <div class="config-input">
1254                 <?php aField( $conf, "Sitename", "Wiki name:" ); ?>
1255         </div>
1256         <p class="config-desc">
1257                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1258                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1259         </p>
1260         <div class="config-input"><?php aField( $conf, "EmergencyContact", "Contact e-mail:" ); ?></div>
1261         <p class="config-desc">
1262                 Displayed to users in some error messages, used as the return address for password reminders, and used as the default sender address of e-mail notifications.
1263         </p>
1264
1265         <div class="config-input">
1266                 <label class='column' for="LanguageCode">Language:</label>
1267                 <select id="LanguageCode" name="LanguageCode"><?php
1268                         $list = getLanguageList();
1269                         foreach( $list as $code => $name ) {
1270                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1271                                 $encCode = htmlspecialchars( $code );
1272                                 $encName = htmlspecialchars( $name );
1273                                 echo "\n\t\t<option value=\"$encCode\" $sel>$encName</option>";
1274                         }
1275                         echo "\n";
1276                 ?>
1277                 </select>
1278         </div>
1279         <p class="config-desc">
1280                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1281         </p>
1282
1283         <div class="config-input">
1284                 <label class='column'>Copyright/license:</label>
1285
1286                 <ul class="plain">
1287                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1288                 <li><?php aField( $conf, "License", "Public Domain", "radio", "pd" ); ?></li>
1289                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl1_2" ); ?></li>
1290                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.3", "radio", "gfdl1_3" ); ?></li>
1291                 <li><?php
1292                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1293                         $partner = "MediaWiki";
1294    $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1295                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/$script?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1296                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1297                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1298                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1299                         if( $conf->License == "cc" ) { ?>
1300                         <ul>
1301                         <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1302                         <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1303                         <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1304                         <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1305                         </ul>
1306                         <?php } ?>
1307                         </li>
1308                 </ul>
1309         </div>
1310         <p class="config-desc">
1311                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1312         </p>
1313
1314
1315         <div class="config-input">
1316                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1317         </div>
1318         <div class="config-input">
1319                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1320         </div>
1321         <div class="config-input">
1322                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1323         </div>
1324         <p class="config-desc">
1325                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1326                 A new account will be added only when creating a new wiki database.
1327                 <br /><br />
1328                 The password cannot be the same as the username.
1329         </p>
1330
1331         <div class="config-input">
1332                 <label class='column'>Object caching:</label>
1333
1334                 <ul class="plain">
1335                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1336                 <?php
1337                         if ( $conf->turck ) {
1338                                 echo "<li>";
1339                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1340                                 echo "</li>\n";
1341                         }
1342                         if( $conf->xcache ) {
1343                                 echo "<li>";
1344                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1345                                 echo "</li>\n";
1346                         }
1347                         if ( $conf->apc ) {
1348                                 echo "<li>";
1349                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1350                                 echo "</li>\n";
1351                         }
1352                         if ( $conf->eaccel ) {
1353                                 echo "<li>";
1354                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1355                                 echo "</li>\n";
1356                         }
1357                         if ( $conf->dba ) {
1358                                 echo "<li>";
1359                                 aField( $conf, "Shm", "DBA (not recommended)", "radio", "dba" );
1360                                 echo "</li>";
1361                         }
1362                 ?>
1363                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1364                 </ul>
1365                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1366         </div>
1367         <p class="config-desc">
1368                 An object caching system such as memcached will provide a significant performance boost,
1369                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1370                 <br /><br />
1371                 MediaWiki can also detect and support eAccelerator, Turck MMCache, APC, and XCache, but
1372                 these should not be used if the wiki will be running on multiple application servers.
1373                 <br/><br/>
1374                 DBA (Berkeley-style DB) is generally slower than using no cache at all, and is only
1375                 recommended for testing.
1376         </p>
1377 </div>
1378
1379 <h2>E-mail, e-mail notification and authentication setup</h2>
1380
1381 <div class="config-section">
1382         <div class="config-input">
1383                 <label class='column'>E-mail features (global):</label>
1384                 <ul class="plain">
1385                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1386                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1387                 </ul>
1388         </div>
1389         <p class="config-desc">
1390                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1391                 if sending mail doesn't work on your server.
1392         </p>
1393
1394         <div class="config-input">
1395                 <label class='column'>User-to-user e-mail:</label>
1396                 <ul class="plain">
1397                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1398                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1399                 </ul>
1400         </div>
1401         <p class="config-desc">
1402                 The user-to-user e-mail feature (Special:Emailuser) lets the wiki act as a relay to allow users to exchange e-mail without publicly advertising their e-mail address.
1403         </p>
1404         <div class="config-input">
1405                 <label class='column'>E-mail notification about changes:</label>
1406                 <ul class="plain">
1407                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1408                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1409                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages, and to pages on watchlists (not recommended for large wikis)", "radio", "enotif_allpages" ); ?></li>
1410                 </ul>
1411         </div>
1412         <div class="config-desc">
1413                 <p>
1414                 For this feature to work, an e-mail address must be present for the user account, and the notification
1415                 options in the user's preferences must be enabled. Also note the
1416                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1417
1418                 <p>There are additional options for fine tuning in /includes/DefaultSettings.php; copy these to your LocalSettings.php and edit them there to change them.</p>
1419         </div>
1420
1421         <div class="config-input">
1422                 <label class='column'>E-mail address authentication:</label>
1423                 <ul class="plain">
1424                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1425                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1426                 </ul>
1427         </div>
1428         <div class="config-desc">
1429                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1430                 change notification mails. Setting this option is <b>recommended</b> for public wikis because of potential abuse of the e-mail features above.</p>
1431         </div>
1432
1433 </div>
1434
1435 <h2>Database config</h2>
1436
1437 <div class="config-section">
1438 <div class="config-input">
1439         <label class='column'>Database type:</label>
1440 <?php
1441         if (isset($errs['DBpicktype'])) {
1442                 print "\t<span class='error'>" . htmlspecialchars( $errs['DBpicktype'] ) . "</span>\n";
1443         }
1444 ?>
1445         <ul class='plain'><?php
1446                 database_picker($conf);
1447         ?></ul>
1448         </div>
1449
1450         <div class="config-input" style="clear:left">
1451         <?php aField( $conf, "DBserver", "Database host:" ); ?>
1452         </div>
1453         <p class="config-desc">
1454                 If your database server isn't on your web server, enter the name or IP address here.
1455         </p>
1456
1457         <div class="config-input"><?php aField( $conf, "DBname", "Database name:" ); ?></div>
1458         <div class="config-input"><?php aField( $conf, "DBuser", "DB username:" ); ?></div>
1459         <div class="config-input"><?php aField( $conf, "DBpassword", "DB password:", "password" ); ?></div>
1460         <div class="config-input"><?php aField( $conf, "DBpassword2", "DB password confirm:", "password" ); ?></div>
1461         <p class="config-desc">
1462                 If you only have a single user account and database available,
1463                 enter those here. If you have database root access (see below)
1464                 you can specify new accounts/databases to be created. This account
1465                 will not be created if it pre-exists. If this is the case, ensure that it
1466                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1467         </p>
1468
1469         <div class="config-input">
1470                 <label class="column">Superuser account:</label>
1471                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?> />
1472                 &nbsp;<label for="useroot">Use superuser account</label>
1473         </div>
1474         <div class="config-input"><?php aField( $conf, "RootUser", "Superuser name:", "text" ); ?></div>
1475         <div class="config-input"><?php aField( $conf, "RootPW", "Superuser password:", "password" ); ?></div>
1476
1477         <p class="config-desc">
1478                 If the database user specified above does not exist, or does not have access to create
1479                 the database (if needed) or tables within it, please check the box and provide details
1480                 of a superuser account, such as <strong>root</strong>, which does.
1481         </p>
1482
1483         <?php database_switcher('mysql'); ?>
1484         <div class="config-input"><?php aField( $conf, "DBprefix", "Database table prefix:" ); ?></div>
1485         <div class="config-desc">
1486                 <p>If you need to share one database between multiple wikis, or
1487                 between MediaWiki and another web application, you may choose to
1488                 add a prefix to all the table names to avoid conflicts.</p>
1489
1490                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1491         </div>
1492
1493         <div class="config-input"><label class="column">Storage Engine</label>
1494                 <div>Select one:</div>
1495                 <ul class="plain">
1496                 <li><?php aField( $conf, "DBengine", "InnoDB", "radio", "InnoDB" ); ?></li>
1497                 <li><?php aField( $conf, "DBengine", "MyISAM", "radio", "MyISAM" ); ?></li>
1498                 </ul>
1499         </div>
1500         <p class="config-desc">
1501                 InnoDB is best for public web installations, since it has good concurrency
1502                 support. MyISAM may be faster in single-user installations. MyISAM databases
1503                 tend to get corrupted more often than InnoDB databases.
1504         </p>
1505         <div class="config-input"><label class="column">Database character set</label>
1506                 <div>Select one:</div>
1507                 <ul class="plain">
1508                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1509                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1510                 <li><?php aField( $conf, "DBschema", "MySQL 4.0 backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1511                 </ul>
1512         </div>
1513         <p class="config-desc">
1514                 This option is ignored on upgrade, the same character set will be kept.
1515                 <br/><br/>
1516                 <b>WARNING:</b> If you use <b>backwards-compatible UTF-8</b> on MySQL 4.1+, and subsequently back up the database with <tt>mysqldump</tt>, it may destroy all non-ASCII characters, irreversibly corrupting your backups!.
1517                 <br/><br/>
1518                 In <b>binary mode</b>, MediaWiki stores UTF-8 text to the database in binary fields. This is more efficient than MySQL's UTF-8 mode, and allows you to use the full range of Unicode characters. In <b>UTF-8 mode</b>, MySQL will know what character set your data is in, and can present and convert it appropriately, but it won't let you store characters above the <a target="_blank" href="http://en.wikipedia.org/wiki/Mapping_of_Unicode_character_planes">Basic Multilingual Plane</a>.
1519         </p>
1520         </fieldset>
1521
1522         <?php database_switcher('postgres'); ?>
1523         <div class="config-input"><?php aField( $conf, "DBport", "Database port:" ); ?></div>
1524         <div class="config-input"><?php aField( $conf, "DBmwschema", "Schema for mediawiki:" ); ?></div>
1525         <div class="config-input"><?php aField( $conf, "DBts2schema", "Schema for tsearch2:" ); ?></div>
1526         <div class="config-desc">
1527                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1528                 so it is recommended that you create a new user. The above schemas are generally correct:
1529         only change them if you are sure you need to.</p>
1530         </div>
1531         </fieldset>
1532
1533         <?php database_switcher('sqlite'); ?>
1534         <div class="config-desc">
1535                 <b>NOTE:</b> SQLite only uses the <i>Database name</i> setting above, the user, password and root settings are ignored.
1536         </div>
1537         <div class="config-input"><?php
1538                 aField( $conf, "SQLiteDataDir", "SQLite data directory:" );
1539         ?></div>
1540         <div class="config-desc">
1541                 <p>SQLite stores table data into files in the filesystem.
1542                 If you do not provide an explicit path, a "data" directory in
1543                 the parent of your document root will be used.</p>
1544
1545                 <p>This directory must exist and be writable by the web server.</p>
1546         </div>
1547         </fieldset>
1548
1549         <?php database_switcher('mssql'); ?>
1550         <div class="config-input"><?php
1551                 aField( $conf, "DBprefix2", "Database table prefix:" );
1552         ?></div>
1553         <div class="config-desc">
1554                 <p>If you need to share one database between multiple wikis, or
1555                 between MediaWiki and another web application, you may choose to
1556                 add a prefix to all the table names to avoid conflicts.</p>
1557
1558                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1559         </div>
1560         </fieldset>
1561
1562         <?php database_switcher('ibm_db2'); ?>
1563         <div class="config-input"><?php
1564                 aField( $conf, "DBport_db2", "Database port:" );
1565         ?></div>
1566         <div class="config-input"><?php
1567                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1568         ?></div>
1569         <div>Select one:</div>
1570                 <ul class="plain">
1571                 <li><?php aField( $conf, "DBcataloged", "Cataloged (DB2 installed locally)", "radio", "cataloged" ); ?></li>
1572                 <li><?php aField( $conf, "DBcataloged", "Uncataloged (remote DB2 through ODBC)", "radio", "uncataloged" ); ?></li>
1573                 </ul>
1574         <div class="config-desc">
1575                 <p>If you need to share one database between multiple wikis, or
1576                 between MediaWiki and another web application, you may specify
1577                 a different schema to avoid conflicts.</p>
1578         </div>
1579         </fieldset>
1580
1581         <div class="config-input" style="padding:2em 0 3em">
1582                 <label class='column'>&nbsp;</label>
1583                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1584         </div>
1585 </div>
1586 </form>
1587 <script type="text/javascript">
1588 window.onload = toggleDBarea( <?php echo Xml::encodeJsVar( $conf->DBtype ); ?>,
1589 <?php
1590         ## If they passed in a root user name, don't populate it on page load
1591         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1592 ?>);
1593 </script>
1594 <?php
1595 }
1596
1597 /* -------------------------------------------------------------------------------------- */
1598 function writeSuccessMessage() {
1599  $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1600         if ( wfIniGetBool( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1601                 echo <<<EOT
1602 <div class="success-box">
1603 <p>Installation successful!</p>
1604 <p>To complete the installation, please do the following:
1605 <ol>
1606         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1607         <li>Upload it to the parent directory</li>
1608         <li>Delete config/LocalSettings.php</li>
1609         <li>Start using <a href='../$script'>your wiki</a>!
1610 </ol>
1611 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1612 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1613 which means that anyone on the same server can read your database password! Downloading
1614 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1615 </div>
1616 EOT;
1617         } else {
1618                 echo <<<EOT
1619 <div class="success-box">
1620 <p>
1621 <span class="success-message">Installation successful!</span>
1622 Move the <tt>config/LocalSettings.php</tt> file to the parent directory, then follow
1623 <a href="../$script"> this link</a> to your wiki.</p>
1624 <p>You should change file permissions for <tt>LocalSettings.php</tt> as required to
1625 prevent other users on the server reading passwords and altering configuration data.</p>
1626 </div>
1627 EOT;
1628         }
1629 }
1630
1631
1632 function escapePhpString( $string ) {
1633         if ( is_array( $string ) || is_object( $string ) ) {
1634                 return false;
1635         }
1636         return strtr( $string,
1637                 array(
1638                         "\n" => "\\n",
1639                         "\r" => "\\r",
1640                         "\t" => "\\t",
1641                         "\\" => "\\\\",
1642                         "\$" => "\\\$",
1643                         "\"" => "\\\""
1644                 ));
1645 }
1646
1647 function writeLocalSettings( $conf ) {
1648         $conf->PasswordSender = $conf->EmergencyContact;
1649         $magic = ($conf->ImageMagick ? "" : "# ");
1650         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1651         $rights = ($conf->RightsUrl) ? "" : "# ";
1652         $hashedUploads = $conf->safeMode ? '' : '# ';
1653
1654         if ( $conf->ShellLocale ) {
1655                 $locale = '';
1656         } else {
1657                 $locale = '# ';
1658                 $conf->ShellLocale = 'en_US.UTF-8';
1659         }
1660
1661         switch ( $conf->Shm ) {
1662                 case 'memcached':
1663                         $cacheType = 'CACHE_MEMCACHED';
1664                         $mcservers = var_export( $conf->MCServerArray, true );
1665                         break;
1666                 case 'turck':
1667                 case 'xcache':
1668                 case 'apc':
1669                 case 'eaccel':
1670                         $cacheType = 'CACHE_ACCEL';
1671                         $mcservers = 'array()';
1672                         break;
1673                 case 'dba':
1674                         $cacheType = 'CACHE_DBA';
1675                         $mcservers = 'array()';
1676                         break;
1677                 default:
1678                         $cacheType = 'CACHE_NONE';
1679                         $mcservers = 'array()';
1680         }
1681
1682         if ( $conf->Email == 'email_enabled' ) {
1683                 $enableemail = 'true';
1684                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1685                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1686                 switch ( $conf->Enotif ) {
1687                         case 'enotif_usertalk':
1688                                 $enotifusertalk = 'true';
1689                                 $enotifwatchlist = 'false';
1690                                 break;
1691                         case 'enotif_allpages':
1692                                 $enotifusertalk = 'true';
1693                                 $enotifwatchlist = 'true';
1694                                 break;
1695                         default:
1696                                 $enotifusertalk = 'false';
1697                                 $enotifwatchlist = 'false';
1698                 }
1699         } else {
1700                 $enableuseremail = 'false';
1701                 $enableemail = 'false';
1702                 $eauthent = 'false';
1703                 $enotifusertalk = 'false';
1704                 $enotifwatchlist = 'false';
1705         }
1706
1707         $file = @fopen( "/dev/urandom", "r" );
1708         if ( $file ) {
1709                 $secretKey = bin2hex( fread( $file, 32 ) );
1710                 fclose( $file );
1711         } else {
1712                 $secretKey = "";
1713                 for ( $i=0; $i<8; $i++ ) {
1714                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1715                 }
1716                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1717         }
1718
1719         # Add slashes to strings for double quoting
1720         $slconf = wfArrayMap( "escapePhpString", get_object_vars( $conf ) );
1721         if( $conf->License == 'gfdl1_2' || $conf->License == 'pd' || $conf->License == 'gfdl1_3' ) {
1722                 # Needs literal string interpolation for the current style path
1723                 $slconf['RightsIcon'] = $conf->RightsIcon;
1724         }
1725
1726         if( $conf->DBtype == 'mysql' ) {
1727                 $dbsettings =
1728 "# MySQL specific settings
1729 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1730
1731 # MySQL table options to use during installation or update
1732 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1733
1734 # Experimental charset support for MySQL 4.1/5.0.
1735 \$wgDBmysql5 = {$conf->DBmysql5};";
1736         } elseif( $conf->DBtype == 'postgres' ) {
1737                 $dbsettings =
1738 "# Postgres specific settings
1739 \$wgDBport           = \"{$slconf['DBport']}\";
1740 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1741 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";";
1742         } elseif( $conf->DBtype == 'sqlite' ) {
1743                 $dbsettings =
1744 "# SQLite-specific settings
1745 \$wgSQLiteDataDir    = \"{$slconf['SQLiteDataDir']}\";";
1746         } elseif( $conf->DBtype == 'mssql' ) {
1747                 $dbsettings =
1748 "# MSSQL specific settings
1749 \$wgDBprefix         = \"{$slconf['DBprefix2']}\";";
1750         } elseif( $conf->DBtype == 'ibm_db2' ) {
1751                 $dbsettings =
1752 "# DB2 specific settings
1753 \$wgDBport_db2       = \"{$slconf['DBport_db2']}\";
1754 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1755 \$wgDBcataloged      = \"{$slconf['DBcataloged']}\";";
1756         } else {
1757                 // ummm... :D
1758                 $dbsettings = '';
1759         }
1760
1761
1762         $localsettings = "
1763 # This file was automatically generated by the MediaWiki installer.
1764 # If you make manual changes, please keep track in case you need to
1765 # recreate them later.
1766 #
1767 # See includes/DefaultSettings.php for all configurable settings
1768 # and their default values, but don't forget to make changes in _this_
1769 # file, not there.
1770 #
1771 # Further documentation for configuration settings may be found at:
1772 # http://www.mediawiki.org/wiki/Manual:Configuration_settings
1773
1774 # If you customize your file layout, set \$IP to the directory that contains
1775 # the other MediaWiki files. It will be used as a base to locate files.
1776 if( defined( 'MW_INSTALL_PATH' ) ) {
1777         \$IP = MW_INSTALL_PATH;
1778 } else {
1779         \$IP = dirname( __FILE__ );
1780 }
1781
1782 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1783 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1784
1785 require_once( \"\$IP/includes/DefaultSettings.php\" );
1786
1787 # If PHP's memory limit is very low, some operations may fail.
1788 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1789
1790 if ( \$wgCommandLineMode ) {
1791         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1792                 die( \"This script must be run from the command line\\n\" );
1793         }
1794 }
1795 ## Uncomment this to disable output compression
1796 # \$wgDisableOutputCompression = true;
1797
1798 \$wgSitename         = \"{$slconf['Sitename']}\";
1799
1800 ## The URL base path to the directory containing the wiki;
1801 ## defaults for all runtime URL paths are based off of this.
1802 ## For more information on customizing the URLs please see:
1803 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1804 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1805 \$wgScriptExtension  = \"{$slconf['ScriptExtension']}\";
1806
1807 ## UPO means: this is also a user preference option
1808
1809 \$wgEnableEmail      = $enableemail;
1810 \$wgEnableUserEmail  = $enableuseremail; # UPO
1811
1812 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1813 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1814
1815 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1816 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1817 \$wgEmailAuthentication = $eauthent;
1818
1819 ## Database settings
1820 \$wgDBtype           = \"{$slconf['DBtype']}\";
1821 \$wgDBserver         = \"{$slconf['DBserver']}\";
1822 \$wgDBname           = \"{$slconf['DBname']}\";
1823 \$wgDBuser           = \"{$slconf['DBuser']}\";
1824 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1825
1826 {$dbsettings}
1827
1828 ## Shared memory settings
1829 \$wgMainCacheType = $cacheType;
1830 \$wgMemCachedServers = $mcservers;
1831
1832 ## To enable image uploads, make sure the 'images' directory
1833 ## is writable, then set this to true:
1834 \$wgEnableUploads       = false;
1835 {$magic}\$wgUseImageMagick = true;
1836 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1837
1838 ## If you use ImageMagick (or any other shell command) on a
1839 ## Linux server, this will need to be set to the name of an
1840 ## available UTF-8 locale
1841 {$locale}\$wgShellLocale = \"{$slconf['ShellLocale']}\";
1842
1843 ## If you want to use image uploads under safe mode,
1844 ## create the directories images/archive, images/thumb and
1845 ## images/temp, and make them all writable. Then uncomment
1846 ## this, if it's not already uncommented:
1847 {$hashedUploads}\$wgHashedUploadDirectory = false;
1848
1849 ## If you have the appropriate support software installed
1850 ## you can enable inline LaTeX equations:
1851 \$wgUseTeX           = false;
1852
1853 \$wgLocalInterwiki   = strtolower( \$wgSitename );
1854
1855 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1856
1857 \$wgSecretKey = \"$secretKey\";
1858
1859 ## Default skin: you can change the default skin. Use the internal symbolic
1860 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1861 \$wgDefaultSkin = 'monobook';
1862
1863 ## For attaching licensing metadata to pages, and displaying an
1864 ## appropriate copyright notice / icon. GNU Free Documentation
1865 ## License and Creative Commons licenses are supported so far.
1866 {$rights}\$wgEnableCreativeCommonsRdf = true;
1867 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1868 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1869 \$wgRightsText = \"{$slconf['RightsText']}\";
1870 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1871 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1872
1873 \$wgDiff3 = \"{$slconf['diff3']}\";
1874
1875 # When you make changes to this configuration file, this will make
1876 # sure that cached pages are cleared.
1877 \$wgCacheEpoch = max( \$wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
1878 "; ## End of setting the $localsettings string
1879
1880         // Keep things in Unix line endings internally;
1881         // the system will write out as local text type.
1882         return str_replace( "\r\n", "\n", $localsettings );
1883 }
1884
1885 function dieout( $text ) {
1886         global $mainListOpened;
1887         if( $mainListOpened ) echo( "</ul>" );
1888         if( $text != '' && substr( $text, 0, 2 ) != '<p'  && substr( $text, 0, 2 ) != '<h' ){
1889                 echo "<p>$text</p>\n";
1890         } else {
1891                 echo $text;
1892         }
1893         die( "\n\n</div>\n</div>\n</div>\n</div>\n</body>\n</html>" );
1894 }
1895
1896 function importVar( &$var, $name, $default = "" ) {
1897         if( isset( $var[$name] ) ) {
1898                 $retval = $var[$name];
1899                 if ( get_magic_quotes_gpc() ) {
1900                         $retval = stripslashes( $retval );
1901                 }
1902         } else {
1903                 $retval = $default;
1904         }
1905         taint( $retval );
1906         return $retval;
1907 }
1908
1909 function importPost( $name, $default = "" ) {
1910         return importVar( $_POST, $name, $default );
1911 }
1912
1913 function importCheck( $name ) {
1914         return isset( $_POST[$name] );
1915 }
1916
1917 function importRequest( $name, $default = "" ) {
1918         return importVar( $_REQUEST, $name, $default );
1919 }
1920
1921 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
1922         static $radioCount = 0;
1923         if( $type != "" ) {
1924                 $xtype = "type=\"$type\"";
1925         } else {
1926                 $xtype = "";
1927         }
1928
1929         $id = $field;
1930         $nolabel = ($type == "radio") || ($type == "hidden");
1931
1932         if ($type == 'radio')
1933                 $id .= $radioCount++;
1934
1935         if( !$nolabel ) {
1936                 echo "<label class='column' for=\"$id\">$text</label>";
1937         }
1938
1939         if( $type == "radio" && $value == $conf->$field ) {
1940                 $checked = "checked='checked'";
1941         } else {
1942                 $checked = "";
1943         }
1944         echo "<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
1945         if ($onclick) {
1946                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
1947         }
1948         echo "value=\"";
1949         if( $type == "radio" ) {
1950                 echo htmlspecialchars( $value );
1951         } else {
1952                 echo htmlspecialchars( $conf->$field );
1953         }
1954
1955
1956         echo "\" />";
1957         if( $nolabel ) {
1958                 echo "<label for=\"$id\">$text</label>";
1959         }
1960
1961         global $errs;
1962         if(isset($errs[$field])) {
1963                 echo "<span class='error'>" . htmlspecialchars( $errs[$field] ) . "</span>\n";
1964         }
1965 }
1966
1967 function getLanguageList() {
1968         global $wgLanguageNames, $IP;
1969         if( !isset( $wgLanguageNames ) ) {
1970                 require_once( "$IP/languages/Names.php" );
1971         }
1972
1973         $codes = array();
1974
1975         $d = opendir( "../languages/messages" );
1976         /* In case we are called from the root directory */
1977         if (!$d)
1978                 $d = opendir( "languages/messages");
1979         while( false !== ($f = readdir( $d ) ) ) {
1980                 $m = array();
1981                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
1982                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
1983                         if( isset( $wgLanguageNames[$code] ) ) {
1984                                 $name = $code . ' - ' . $wgLanguageNames[$code];
1985                         } else {
1986                                 $name = $code;
1987                         }
1988                         $codes[$code] = $name;
1989                 }
1990         }
1991         closedir( $d );
1992         ksort( $codes );
1993         return $codes;
1994 }
1995
1996 #Check for location of an executable
1997 # @param string $loc single location to check
1998 # @param array $names filenames to check for.
1999 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
2000 function locate_executable($loc, $names, $versioninfo = false) {
2001         if (!is_array($names))
2002                 $names = array($names);
2003
2004         foreach ($names as $name) {
2005                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
2006                 if (@file_exists($command)) {
2007                         if (!$versioninfo)
2008                                 return $command;
2009
2010                         $file = str_replace('$1', $command, $versioninfo[0]);
2011                         if (strstr(`$file`, $versioninfo[1]) !== false)
2012                                 return $command;
2013                 }
2014         }
2015         return false;
2016 }
2017
2018 # Test a memcached server
2019 function testMemcachedServer( $server ) {
2020         $hostport = explode(":", $server);
2021         $errstr = false;
2022         $fp = false;
2023         if ( !function_exists( 'fsockopen' ) ) {
2024                 $errstr = "Can't connect to memcached, fsockopen() not present";
2025         }
2026         if ( !$errstr && count( $hostport ) != 2 ) {
2027                 $errstr = 'Please specify host and port';
2028         }
2029         if ( !$errstr ) {
2030                 list( $host, $port ) = $hostport;
2031                 $errno = 0;
2032                 $fsockerr = '';
2033
2034                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
2035                 if ( $fp === false ) {
2036                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
2037                 }
2038         }
2039         if ( !$errstr ) {
2040                 $command = "version\r\n";
2041                 $bytes = fwrite( $fp, $command );
2042                 if ( $bytes != strlen( $command ) ) {
2043                         $errstr = "Cannot write to memcached socket on $host:$port";
2044                 }
2045         }
2046         if ( !$errstr ) {
2047                 $expected = "VERSION ";
2048                 $response = fread( $fp, strlen( $expected ) );
2049                 if ( $response != $expected ) {
2050                         $errstr = "Didn't get correct memcached response from $host:$port";
2051                 }
2052         }
2053         if ( $fp ) {
2054                 fclose( $fp );
2055         }
2056         if ( !$errstr ) {
2057                 echo "<li>Connected to memcached on " . htmlspecialchars( "$host:$port" ) ." successfully</li>";
2058         }
2059         return $errstr;
2060 }
2061
2062 function database_picker($conf) {
2063         global $ourdb;
2064         print "\n";
2065         foreach(array_keys($ourdb) as $db) {
2066                 if ($ourdb[$db]['havedriver']) {
2067                         print "\t<li>";
2068                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
2069                         print "</li>\n";
2070                 }
2071         }
2072         print "\n\t";
2073 }
2074
2075 function database_switcher($db) {
2076         global $ourdb;
2077         $color = $ourdb[$db]['bgcolor'];
2078         $full = $ourdb[$db]['fullname'];
2079         print "<fieldset id='$db'><legend>$full specific options</legend>\n";
2080 }
2081
2082 function printListItem( $item ) {
2083         print "<li>$item</li>";
2084 }
2085
2086 # Determine a suitable value for $wgShellLocale
2087 function getShellLocale( $wikiLang ) {
2088         # Give up now if we're in safe mode or open_basedir
2089         # It's theoretically possible but tricky to work with
2090         if ( wfIniGetBool( "safe_mode" ) || ini_get( 'open_basedir' ) ) {
2091                 return false;
2092         }
2093
2094         $os = php_uname( 's' );
2095         $supported = array( 'Linux', 'SunOS', 'HP-UX' ); # Tested these
2096         if ( !in_array( $os, $supported ) ) {
2097                 return false;
2098         }
2099
2100         # Get a list of available locales
2101         $lines = $ret = false;
2102         exec( '/usr/bin/locale -a', $lines, $ret );
2103         if ( $ret ) {
2104                 return false;
2105         }
2106
2107         $lines = wfArrayMap( 'trim', $lines );
2108         $candidatesByLocale = array();
2109         $candidatesByLang = array();
2110         foreach ( $lines as $line ) {
2111                 if ( $line === '' ) {
2112                         continue;
2113                 }
2114                 if ( !preg_match( '/^([a-zA-Z]+)(_[a-zA-Z]+|)\.(utf8|UTF-8)(@[a-zA-Z_]*|)$/i', $line, $m ) ) {
2115                         continue;
2116                 }
2117                 list( $all, $lang, $territory, $charset, $modifier ) = $m;
2118                 $candidatesByLocale[$m[0]] = $m;
2119                 $candidatesByLang[$lang][] = $m;
2120         }
2121
2122         # Try the current value of LANG
2123         if ( isset( $candidatesByLocale[ getenv( 'LANG' ) ] ) ) {
2124                 return getenv( 'LANG' );
2125         }
2126
2127         # Try the most common ones
2128         $commonLocales = array( 'en_US.UTF-8', 'en_US.utf8', 'de_DE.UTF-8', 'de_DE.utf8' );
2129         foreach ( $commonLocales as $commonLocale ) {
2130                 if ( isset( $candidatesByLocale[$commonLocale] ) ) {
2131                         return $commonLocale;
2132                 }
2133         }
2134
2135         # Is there an available locale in the Wiki's language?
2136         if ( isset( $candidatesByLang[$wikiLang] ) ) {
2137                 $m = reset( $candidatesByLang[$wikiLang] );
2138                 return $m[0];
2139         }
2140
2141         # Are there any at all?
2142         if ( count( $candidatesByLocale ) ) {
2143                 $m = reset( $candidatesByLocale );
2144                 return $m[0];
2145         }
2146
2147         # Give up
2148         return false;
2149 }
2150
2151 function wfArrayMap( $function, $input ) {
2152         $ret = array_map( $function, $input );
2153         foreach ( $ret as $key => $value ) {
2154                 $taint = istainted( $input[$key] );
2155                 if ( $taint ) {
2156                         taint( $ret[$key], $taint );
2157                 }
2158         }
2159         return $ret;
2160 }
2161
2162 ?>
2163
2164         <div class="license">
2165         <hr/>
2166         <p>This program is free software; you can redistribute it and/or modify
2167          it under the terms of the GNU General Public License as published by
2168          the Free Software Foundation; either version 2 of the License, or
2169          (at your option) any later version.</p>
2170
2171          <p>This program is distributed in the hope that it will be useful,
2172          but WITHOUT ANY WARRANTY; without even the implied warranty of
2173          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2174          GNU General Public License for more details.</p>
2175
2176          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
2177          along with this program; if not, write to the Free Software
2178          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
2179          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
2180         </div>
2181
2182 </div></div></div>
2183
2184
2185 <div id="column-one">
2186         <div class="portlet" id="p-logo">
2187           <a style="background-image: url(../skins/common/images/mediawiki.png);"
2188             href="../"
2189             title="Main Page"></a>
2190         </div>
2191         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
2192         <div class='portlet'><div class='pBody'>
2193                 <ul>
2194                         <li><a href="../README">Readme</a></li>
2195                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
2196                         <li><a href="../docs/">Documentation</a></li>
2197                         <li><a href="http://www.mediawiki.org/wiki/Help:Contents">User's Guide</a></li>
2198                         <li><a href="http://www.mediawiki.org/wiki/Manual:Contents">Administrator's Guide</a></li>
2199                         <li><a href="http://www.mediawiki.org/wiki/Manual:FAQ">FAQ</a></li>
2200                 </ul>
2201                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright © 2001-2009 by Magnus Manske, Brion Vibber,
2202                  Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström,
2203                  Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz and others.</p>
2204         </div></div>
2205 </div>
2206
2207 </div>
2208
2209 </body>
2210 </html>