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