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 $sep = PATH_SEPARATOR;
  33 if( !ini_set( "include_path", ".$sep$IP$sep$IP/includes$sep$IP/languages" ) ) {
  34         set_include_path( ".$sep$IP$sep$IP/includes$sep$IP/languages" );
  35 }
  36
  37 # Define an entry point and include some files
  38 define( "MEDIAWIKI", true );
  39 define( "MEDIAWIKI_INSTALL", true );
  40
  41 // Run version checks before including other files
  42 // so people don't see a scary parse error.
  43 require_once( "install-utils.inc" );
  44 install_version_checks();
  45
  46 require_once( "includes/Defines.php" );
  47 require_once( "includes/DefaultSettings.php" );
  48 require_once( "includes/AutoLoader.php" );
  49 require_once( "includes/MagicWord.php" );
  50 require_once( "includes/Namespace.php" );
  51 require_once( "includes/ProfilerStub.php" );
  52 require_once( "includes/GlobalFunctions.php" );
  53 require_once( "includes/Hooks.php" );
  54
  55 # If we get an exception, the user needs to know
  56 # all the details
  57 $wgShowExceptionDetails = true;
  58
  59 ## Databases we support:
  60
  61 $ourdb = array();
  62 $ourdb['mysql']['fullname']      = 'MySQL';
  63 $ourdb['mysql']['havedriver']    = 0;
  64 $ourdb['mysql']['compile']       = 'mysql';
  65 $ourdb['mysql']['bgcolor']       = '#ffe5a7';
  66 $ourdb['mysql']['rootuser']      = 'root';
  67
  68 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  69 $ourdb['postgres']['havedriver'] = 0;
  70 $ourdb['postgres']['compile']    = 'pgsql';
  71 $ourdb['postgres']['bgcolor']    = '#aaccff';
  72 $ourdb['postgres']['rootuser']   = 'postgres';
  73
  74 ?>
  75 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  76 <html>
  77 <head>
  78         <meta http-equiv="Content-type" content="text/html; charset=utf-8">
  79         <title>MediaWiki <?php echo( $wgVersion ); ?> Installation</title>
  80         <style type="text/css">
  81
  82                 @import "../skins/monobook/main.css";
  83
  84                 .env-check {
  85                         font-size: 90%;
  86                         margin: 1em 0 1em 2.5em;
  87                 }
  88
  89                 .config-section {
  90                         margin-top: 2em;
  91                 }
  92
  93                 .config-section label.column {
  94                         clear: left;
  95                         font-weight: bold;
  96                         width: 13em;
  97                         float: left;
  98                         text-align: right;
  99                         padding-right: 1em;
 100                         padding-top: .2em;
 101                 }
 102
 103                 .config-input {
 104                         clear: left;
 105                         zoom: 100%; /* IE hack */
 106                 }
 107
 108                 .config-section .config-desc {
 109                         clear: left;
 110                         margin: 0 0 2em 18em;
 111                         padding-top: 1em;
 112                         font-size: 85%;
 113                 }
 114
 115                 .iput-text, .iput-password {
 116                         width: 14em;
 117                         margin-right: 1em;
 118                 }
 119
 120                 .error {
 121                         color: red;
 122                         background-color: #fff;
 123                         font-weight: bold;
 124                         left: 1em;
 125                         font-size: 100%;
 126                 }
 127
 128                 .error-top {
 129                         color: red;
 130                         background-color: #FFF0F0;
 131                         border: 2px solid red;
 132                         font-size: 130%;
 133                         font-weight: bold;
 134                         padding: 1em 1.5em;
 135                         margin: 2em 0 1em;
 136                 }
 137
 138                 ul.plain {
 139                         list-style-type: none;
 140                         list-style-image: none;
 141                         float: left;
 142                         margin: 0;
 143                         padding: 0;
 144                 }
 145
 146                 .btn-install {
 147                         font-weight: bold;
 148                         font-size: 110%;
 149                         padding: .2em .3em;
 150                 }
 151
 152                 .license {
 153                         font-size: 85%;
 154                         padding-top: 3em;
 155                 }
 156
 157         </style>
 158         <script type="text/javascript">
 159         <!--
 160         function hideall() {
 161                 <?php foreach (array_keys($ourdb) as $db) {
 162                 echo "\n                document.getElementById('$db').style.display='none';";
 163                 }
 164                 ?>
 165
 166         }
 167         function toggleDBarea(id,defaultroot) {
 168                 hideall();
 169                 var dbarea = document.getElementById(id).style;
 170                 dbarea.display = (dbarea.display == 'none') ? 'block' : 'none';
 171                 var db = document.getElementById('RootUser');
 172                 if (defaultroot) {
 173 <?php foreach (array_keys($ourdb) as $db) {
 174                         echo "                  if (id == '$db') { db.value = '".$ourdb[$db]['rootuser']."';}\n";
 175 }?>
 176                 }
 177         }
 178         // -->
 179         </script>
 180 </head>
 181
 182 <body>
 183 <div id="globalWrapper">
 184 <div id="column-content">
 185 <div id="content">
 186 <div id="bodyContent">
 187
 188 <h1>MediaWiki <?php print $wgVersion ?> Installation</h1>
 189
 190 <?php
 191
 192 /* Check for existing configurations and bug out! */
 193
 194 if( file_exists( "../LocalSettings.php" ) ) {
 195         dieout( "<p><strong>Setup has completed, <a href='../index.php'>your wiki</a> is configured.</strong></p>
 196
 197         <p>Please delete the /config directory for extra security.</p></div></div></div></div>" );
 198 }
 199
 200 if( file_exists( "./LocalSettings.php" ) ) {
 201         writeSuccessMessage();
 202
 203         dieout( '' );
 204 }
 205
 206 if( !is_writable( "." ) ) {
 207         dieout( "<h2>Can't write config file, aborting</h2>
 208
 209         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 210         writable by the web server. Once configuration is done you'll move the created
 211         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 212         then remove the <tt>config</tt> subdirectory entirely.</p>
 213
 214         <p>To make the directory writable on a Unix/Linux system:</p>
 215
 216         <pre>
 217         cd <i>/path/to/wiki</i>
 218         chmod a+w config
 219         </pre>
 220
 221         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 222 }
 223
 224
 225 require_once( "install-utils.inc" );
 226 require_once( "maintenance/updaters.inc" );
 227
 228 class ConfigData {
 229         function getEncoded( $data ) {
 230                 # removing latin1 support, no need...
 231                 return $data;
 232         }
 233         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 234         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 235         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 236
 237         function setSchema( $schema ) {
 238                 $this->DBschema = $schema;
 239                 switch ( $this->DBschema ) {
 240                         case 'mysql5':
 241                                 $this->DBTableOptions = 'ENGINE=InnoDB, DEFAULT CHARSET=utf8';
 242                                 $this->DBmysql5 = 'true';
 243                                 break;
 244                         case 'mysql5-binary':
 245                                 $this->DBTableOptions = 'ENGINE=InnoDB, DEFAULT CHARSET=binary';
 246                                 $this->DBmysql5 = 'true';
 247                                 break;
 248                         default:
 249                                 $this->DBTableOptions = 'TYPE=InnoDB';
 250                                 $this->DBmysql5 = 'false';
 251                 }
 252                 # Set the global for use during install
 253                 global $wgDBTableOptions;
 254                 $wgDBTableOptions = $this->DBTableOptions;
 255         }
 256 }
 257
 258 ?>
 259
 260 <ul>
 261         <li>
 262                 <b>Don't forget security updates!</b> Keep an eye on the
 263                 <a href="http://mail.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 264                 release announcements mailing list</a>.
 265         </li>
 266 </ul>
 267
 268
 269 <h2>Checking environment...</h2>
 270 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 271 <ul class="env-check">
 272 <?php
 273 $endl = "
 274 ";
 275 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 276 $conf = new ConfigData;
 277
 278 install_version_checks();
 279 $self = 'Installer'; # Maintenance script name, to please Setup.php
 280
 281 print "<li>PHP " . phpversion() . " installed</li>\n";
 282
 283 error_reporting( 0 );
 284 $phpdatabases = array();
 285 foreach (array_keys($ourdb) as $db) {
 286         $compname = $ourdb[$db]['compile'];
 287         if (extension_loaded($compname) or dl($compname . '.' . PHP_SHLIB_SUFFIX)) {
 288                 array_push($phpdatabases, $db);
 289                 $ourdb[$db]['havedriver'] = 1;
 290         }
 291 }
 292 error_reporting( E_ALL );
 293
 294 if (!$phpdatabases) {
 295         print "Could not find a suitable database driver!<ul>";
 296         foreach (array_keys($ourdb) AS $db) {
 297                 $comp = $ourdb[$db]['compile'];
 298                 $full = $ourdb[$db]['fullname'];
 299                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 300                         ."or install the $comp.so module</li>\n";
 301         }
 302         dieout( "</ul></ul>" );
 303 }
 304
 305 print "<li>Found database drivers for:";
 306 foreach (array_keys($ourdb) AS $db) {
 307         if ($ourdb[$db]['havedriver']) {
 308                 $DefaultDBtype = $db;
 309                 print "  ".$ourdb[$db]['fullname'];
 310         }
 311 }
 312 print "</li>\n";
 313 if (count($phpdatabases) != 1)
 314         $DefaultDBtype = '';
 315
 316 if( ini_get( "register_globals" ) ) {
 317         ?>
 318         <li>
 319                 <div style="font-size:110%">
 320                 <strong class="error">Warning:</strong>
 321                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 322                 </div>
 323                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 324         </li>
 325         <?php
 326 }
 327
 328 $fatal = false;
 329
 330 if( ini_get( "magic_quotes_runtime" ) ) {
 331         $fatal = true;
 332         ?><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>
 333         This option corrupts data input unpredictably; you cannot install or use
 334         MediaWiki unless this option is disabled.
 335         <?php
 336 }
 337
 338 if( ini_get( "magic_quotes_sybase" ) ) {
 339         $fatal = true;
 340         ?><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>
 341         This option corrupts data input unpredictably; you cannot install or use
 342         MediaWiki unless this option is disabled.
 343         <?php
 344 }
 345
 346 if( ini_get( "mbstring.func_overload" ) ) {
 347         $fatal = true;
 348         ?><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>
 349         This option causes errors and may corrupt data unpredictably;
 350         you cannot install or use MediaWiki unless this option is disabled.
 351         <?php
 352 }
 353
 354 if( ini_get( "zend.ze1_compatibility_mode" ) ) {
 355         $fatal = true;
 356         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 357         This option causes horrible bugs with MediaWiki; you cannot install or use
 358         MediaWiki unless this option is disabled.
 359         <?php
 360 }
 361
 362
 363 if( $fatal ) {
 364         dieout( "</ul><p>Cannot install MediaWiki.</p>" );
 365 }
 366
 367 if( ini_get( "safe_mode" ) ) {
 368         $conf->safeMode = true;
 369         ?>
 370         <li><b class='error'>Warning:</b> <strong>PHP's
 371         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 372         You may have problems caused by this, particularly if using image uploads.
 373         </li>
 374         <?php
 375 } else {
 376         $conf->safeMode = false;
 377 }
 378
 379 $sapi = php_sapi_name();
 380 print "<li>PHP server API is $sapi; ";
 381 if( $wgUsePathInfo ) {
 382         print "ok, using pretty URLs (<tt>index.php/Page_Title</tt>)";
 383 } else {
 384         print "using ugly URLs (<tt>index.php?title=Page_Title</tt>)";
 385 }
 386 print "</li>\n";
 387
 388 $conf->xml = function_exists( "utf8_encode" );
 389 if( $conf->xml ) {
 390         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 391 } else {
 392         dieout( "PHP's XML module is missing; the wiki requires functions in
 393                 this module and won't work in this configuration.
 394                 If you're running Mandrake, install the php-xml package." );
 395 }
 396
 397 # Check for session support
 398 if( !function_exists( 'session_name' ) )
 399         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 400
 401 # session.save_path doesn't *have* to be set, but if it is, and it's
 402 # not valid/writable/etc. then it can cause problems
 403 $sessionSavePath = mw_get_session_save_path();
 404 $ssp = htmlspecialchars( $sessionSavePath );
 405 # Warn the user if it's not set, but let them proceed
 406 if( !$sessionSavePath ) {
 407         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 408         has not been set in PHP.ini. If the default value causes problems with
 409         saving session data, set it to a valid path which is read/write/execute
 410         for the user your web server is running under.</li>";
 411 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 412         # All good? Let the user know
 413         print "<li>Session save path (<tt>{$ssp}</tt>) appears to be valid.</li>";
 414 } else {
 415         # Something not right? Warn the user, but let them proceed
 416         print "<li><strong>Warning:</strong> Your <tt>session.save_path</tt> value (<tt>{$ssp}</tt>)
 417                 appears to be invalid or is not writable. PHP needs to be able to save data to
 418                 this location for correct session operation.</li>";
 419 }
 420
 421 # Check for PCRE support
 422 if( !function_exists( 'preg_match' ) )
 423         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 424         Perl-compatible regular expression functions." );
 425
 426 $memlimit = ini_get( "memory_limit" );
 427 $conf->raiseMemory = false;
 428 if( empty( $memlimit ) || $memlimit == -1 ) {
 429         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 430 } else {
 431         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". ";
 432         $n = intval( $memlimit );
 433         if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
 434                 $n = intval( $m[1] * (1024*1024) );
 435         }
 436         if( $n < 20*1024*1024 ) {
 437                 print "Attempting to raise limit to 20M... ";
 438                 if( false === ini_set( "memory_limit", "20M" ) ) {
 439                         print "failed.<br /><b>" . htmlspecialchars( $memlimit ) . " seems too low, installation may fail!</b>";
 440                 } else {
 441                         $conf->raiseMemory = true;
 442                         print "ok.";
 443                 }
 444         }
 445         print "</li>\n";
 446 }
 447
 448 $conf->turck = function_exists( 'mmcache_get' );
 449 if ( $conf->turck ) {
 450         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 451 }
 452
 453 $conf->apc = function_exists('apc_fetch');
 454 if ($conf->apc ) {
 455         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>";
 456 }
 457
 458 $conf->eaccel = function_exists( 'eaccelerator_get' );
 459 if ( $conf->eaccel ) {
 460         $conf->turck = 'eaccelerator';
 461         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 462 }
 463
 464 if( !$conf->turck && !$conf->eaccel && !$conf->apc ) {
 465         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 466                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>, or
 467                 <a href="http://www.php.net/apc">APC</a>. Object caching functions cannot be used.</li>' );
 468 }
 469
 470 $conf->diff3 = false;
 471 $diff3locations = array_merge(
 472         array(
 473                 "/usr/bin",
 474                 "/usr/local/bin",
 475                 "/opt/csw/bin",
 476                 "/usr/gnu/bin",
 477                 "/usr/sfw/bin" ),
 478         explode( $sep, getenv( "PATH" ) ) );
 479 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 480
 481 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 482 foreach ($diff3locations as $loc) {
 483         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 484         if ($exe !== false) {
 485                 $conf->diff3 = $exe;
 486                 break;
 487         }
 488 }
 489
 490 if ($conf->diff3)
 491         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 492 else
 493         print "<li>GNU diff3 not found.</li>";
 494
 495 $conf->ImageMagick = false;
 496 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 497 foreach( $imcheck as $dir ) {
 498         $im = "$dir/convert";
 499         if( file_exists( $im ) ) {
 500                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 501                 $conf->ImageMagick = $im;
 502                 break;
 503         }
 504 }
 505
 506 $conf->HaveGD = function_exists( "imagejpeg" );
 507 if( $conf->HaveGD ) {
 508         print "<li>Found GD graphics library built-in";
 509         if( !$conf->ImageMagick ) {
 510                 print ", image thumbnailing will be enabled if you enable uploads";
 511         }
 512         print ".</li>\n";
 513 } else {
 514         if( !$conf->ImageMagick ) {
 515                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 516         }
 517 }
 518
 519 $conf->IP = dirname( dirname( __FILE__ ) );
 520 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 521
 522
 523 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 524 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 525 // to get the path to the current script... hopefully it's reliable. SIGH
 526 $path = ($_SERVER["PHP_SELF"] === '')
 527         ? $_SERVER["SCRIPT_NAME"]
 528         : $_SERVER["PHP_SELF"];
 529 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 530 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 531
 532 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 533         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 534
 535         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 536         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 537                 ? 'root@localhost'
 538                 : $_SERVER["SERVER_ADMIN"];
 539         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 540         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 541 ?>
 542
 543 <?php
 544         $conf->DBserver = importPost( "DBserver", "localhost" );
 545         $conf->DBname = importPost( "DBname", "wikidb" );
 546         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 547         $conf->DBpassword = importPost( "DBpassword" );
 548         $conf->DBpassword2 = importPost( "DBpassword2" );
 549         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 550         $conf->SysopPass = importPost( "SysopPass" );
 551         $conf->SysopPass2 = importPost( "SysopPass2" );
 552         $conf->RootUser = importPost( "RootUser", "root" );
 553         $conf->RootPW = importPost( "RootPW", "" );
 554         $useRoot = importCheck( 'useroot', false );
 555         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 556
 557         ## MySQL specific:
 558         $conf->DBprefix     = importPost( "DBprefix" );
 559         $conf->setSchema( importPost( "DBschema", "mysql4" ) );
 560
 561         ## Postgres specific:
 562         $conf->DBport      = importPost( "DBport",      "5432" );
 563         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 564         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 565
 566 /* Check for validity */
 567 $errs = array();
 568
 569 if( $conf->Sitename == "" || $conf->Sitename == "MediaWiki" || $conf->Sitename == "Mediawiki" ) {
 570         $errs["Sitename"] = "Must not be blank or \"MediaWiki\"";
 571 }
 572 if( $conf->DBuser == "" ) {
 573         $errs["DBuser"] = "Must not be blank";
 574 }
 575 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 576         $errs["DBuser"] = "Username too long";
 577 }
 578 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 579         $errs["DBpassword"] = "Must not be blank";
 580 }
 581 if( $conf->DBpassword != $conf->DBpassword2 ) {
 582         $errs["DBpassword2"] = "Passwords don't match!";
 583 }
 584 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 585         $errs["DBprefix"] = "Invalid table prefix";
 586 }
 587
 588 error_reporting( E_ALL );
 589
 590 /**
 591  * Initialise $wgLang and $wgContLang to something so we can
 592  * call case-folding methods. Per Brion, this is English for
 593  * now, although we could be clever and initialise to the
 594  * user-selected language.
 595  */
 596 $wgContLang = Language::factory( 'en' );
 597 $wgLang = $wgContLang;
 598
 599 /**
 600  * We're messing about with users, so we need a stub
 601  * authentication plugin...
 602  */
 603 $wgAuth = new AuthPlugin();
 604
 605 /**
 606  * Validate the initial administrator account; username,
 607  * password checks, etc.
 608  */
 609 if( $conf->SysopName ) {
 610         # Check that the user can be created
 611         $u = User::newFromName( $conf->SysopName );
 612         if( $u instanceof User ) {
 613                 # Various password checks
 614                 if( $conf->SysopPass != '' ) {
 615                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 616                                 if( !$u->isValidPassword( $conf->SysopPass ) ) {
 617                                         $errs['SysopPass'] = "Bad password";
 618                                 }
 619                         } else {
 620                                 $errs['SysopPass2'] = "Passwords don't match";
 621                         }
 622                 } else {
 623                         $errs['SysopPass'] = "Cannot be blank";
 624                 }
 625                 unset( $u );
 626         } else {
 627                 $errs['SysopName'] = "Bad username";
 628         }
 629 }
 630
 631 $conf->License = importRequest( "License", "none" );
 632 if( $conf->License == "gfdl" ) {
 633         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 634         $conf->RightsText = "GNU Free Documentation License 1.2";
 635         $conf->RightsCode = "gfdl";
 636         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 637 } elseif( $conf->License == "none" ) {
 638         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 639 } else {
 640         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 641         $conf->RightsText = importRequest( "RightsText", "" );
 642         $conf->RightsCode = importRequest( "RightsCode", "" );
 643         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 644 }
 645
 646 $conf->Shm = importRequest( "Shm", "none" );
 647 $conf->MCServers = importRequest( "MCServers" );
 648
 649 /* Test memcached servers */
 650
 651 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 652         $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
 653         foreach ( $conf->MCServerArray as $server ) {
 654                 $error = testMemcachedServer( $server );
 655                 if ( $error ) {
 656                         $errs["MCServers"] = $error;
 657                         break;
 658                 }
 659         }
 660 } else if ( $conf->Shm == 'memcached' ) {
 661         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 662 }
 663
 664 /* default values for installation */
 665 $conf->Email     = importRequest("Email", "email_enabled");
 666 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 667 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 668 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 669
 670 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 671         do { /* So we can 'continue' to end prematurely */
 672                 $conf->Root = ($conf->RootPW != "");
 673
 674                 /* Load up the settings and get installin' */
 675                 $local = writeLocalSettings( $conf );
 676                 echo "<li style=\"list-style: none\">\n";
 677                 echo "<p><b>Generating configuration file...</b></p>\n";
 678                 echo "</li>\n";
 679
 680                 $wgCommandLineMode = false;
 681                 chdir( ".." );
 682                 $ok = eval( $local );
 683                 if( $ok === false ) {
 684                         dieout( "Errors in generated configuration; " .
 685                                 "most likely due to a bug in the installer... " .
 686                                 "Config file was: " .
 687                                 "<pre>" .
 688                                 htmlspecialchars( $local ) .
 689                                 "</pre>" .
 690                                 "</ul>" );
 691                 }
 692                 $conf->DBtypename = '';
 693                 foreach (array_keys($ourdb) as $db) {
 694                         if ($conf->DBtype === $db)
 695                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 696                 }
 697                 if ( ! strlen($conf->DBtype)) {
 698                         $errs["DBpicktype"] = "Please choose a database type";
 699                         continue;
 700                 }
 701
 702                 if (! $conf->DBtypename) {
 703                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 704                         continue;
 705                 }
 706                 print "<li>Database type: {$conf->DBtypename}</li>\n";
 707                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 708                 $wgDBtype = $conf->DBtype;
 709                 $wgDBadminuser = "root";
 710                 $wgDBadminpassword = $conf->RootPW;
 711
 712                 ## Mysql specific:
 713                 $wgDBprefix = $conf->DBprefix;
 714
 715                 ## Postgres specific:
 716                 $wgDBport      = $conf->DBport;
 717                 $wgDBmwschema  = $conf->DBmwschema;
 718                 $wgDBts2schema = $conf->DBts2schema;
 719
 720                 $wgCommandLineMode = true;
 721                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 722                 require_once( "includes/Setup.php" );
 723                 chdir( "config" );
 724
 725                 $wgTitle = Title::newFromText( "Installation script" );
 726                 error_reporting( E_ALL );
 727                 print "<li>Loading class: $dbclass";
 728                 $dbc = new $dbclass;
 729
 730                 if( $conf->DBtype == 'mysql' ) {
 731                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 732                         if( $mysqlOldClient ) {
 733                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 734                                         using a MySQL 4.1 server and have problems connecting to the database,
 735                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 736                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 737                         }
 738                         $ok = true; # Let's be optimistic
 739
 740                         # Decide if we're going to use the superuser or the regular database user
 741                         $conf->Root = $useRoot;
 742                         if( $conf->Root ) {
 743                                 $db_user = $conf->RootUser;
 744                                 $db_pass = $conf->RootPW;
 745                         } else {
 746                                 $db_user = $wgDBuser;
 747                                 $db_pass = $wgDBpassword;
 748                         }
 749
 750                         # Attempt to connect
 751                         echo( "<li>Attempting to connect to database server as $db_user..." );
 752                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 753
 754                         # Check the connection and respond to errors
 755                         if( $wgDatabase->isOpen() ) {
 756                                 # Seems OK
 757                                 $ok = true;
 758                                 $wgDBadminuser = $db_user;
 759                                 $wgDBadminpassword = $db_pass;
 760                                 echo( "success.</li>\n" );
 761                                 $wgDatabase->ignoreErrors( true );
 762                                 $myver = $wgDatabase->getServerVersion();
 763                         } else {
 764                                 # There were errors, report them and back out
 765                                 $ok = false;
 766                                 $errno = mysql_errno();
 767                                 $errtx = htmlspecialchars( mysql_error() );
 768                                 switch( $errno ) {
 769                                         case 1045:
 770                                         case 2000:
 771                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 772                                                 if( $conf->Root ) {
 773                                                         # The superuser details are wrong
 774                                                         $errs["RootUser"] = "Check username";
 775                                                         $errs["RootPW"] = "and password";
 776                                                 } else {
 777                                                         # The regular user details are wrong
 778                                                         $errs["DBuser"] = "Check username";
 779                                                         $errs["DBpassword"] = "and password";
 780                                                 }
 781                                                 break;
 782                                         case 2002:
 783                                         case 2003:
 784                                         default:
 785                                                 # General connection problem
 786                                                 echo( "failed with error [$errno] $errtx.</li>\n" );
 787                                                 $errs["DBserver"] = "Connection failed";
 788                                                 break;
 789                                 } # switch
 790                         } #conn. att.
 791
 792                         if( !$ok ) { continue; }
 793
 794                 } else /* not mysql */ {
 795                         error_reporting( E_ALL );
 796                         $wgSuperUser = '';
 797                         ## Possible connect as a superuser
 798                         if( $useRoot ) {
 799                                 $wgDBsuperuser = $conf->RootUser;
 800                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"$wgDBsuperuser\"..." );
 801                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
 802                                 if (!$wgDatabase->isOpen()) {
 803                                         print " error: " . $wgDatabase->lastError() . "</li>\n";
 804                                         $errs["DBserver"] = "Could not connect to database as superuser";
 805                                         $errs["RootUser"] = "Check username";
 806                                         $errs["RootPW"] = "and password";
 807                                         continue;
 808                                 }
 809                         }
 810                         echo( "<li>Attempting to connect to database \"$wgDBname\" as \"$wgDBuser\"..." );
 811                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
 812                         if (!$wgDatabase->isOpen()) {
 813                                 print " error: " . $wgDatabase->lastError() . "</li>\n";
 814                         } else {
 815                                 $myver = $wgDatabase->getServerVersion();
 816                         }
 817                 }
 818
 819                 if ( !$wgDatabase->isOpen() ) {
 820                         $errs["DBserver"] = "Couldn't connect to database";
 821                         continue;
 822                 }
 823
 824                 print "<li>Connected to $myver";
 825                 if ($conf->DBtype == 'mysql') {
 826                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
 827                                 dieout( " -- mysql 4.0.14 or later required. Aborting." );
 828                         }
 829                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
 830                         if( $mysqlNewAuth && $mysqlOldClient ) {
 831                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
 832                                         to old client libraries; if you have trouble with authentication, see
 833                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 834                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
 835                         }
 836                         if( $wgDBmysql5 ) {
 837                                 if( $mysqlNewAuth ) {
 838                                         print "; enabling MySQL 4.1/5.0 charset mode";
 839                                 } else {
 840                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
 841                                                 but older version detected; will likely fail.</b>";
 842                                 }
 843                         }
 844                         print "</li>\n";
 845
 846                         @$sel = $wgDatabase->selectDB( $wgDBname );
 847                         if( $sel ) {
 848                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
 849                         } else {
 850                                 $err = mysql_errno();
 851                                 $databaseSafe = htmlspecialchars( $wgDBname );
 852                                 if( $err == 1102 /* Invalid database name */ ) {
 853                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
 854                                         continue;
 855                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
 856                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
 857                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
 858                                         continue;
 859                                 }
 860                                 print "<li>Attempting to create database...</li>";
 861                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
 862                                 if( !$res ) {
 863                                         print "<li>Couldn't create database <tt>" .
 864                                                 htmlspecialchars( $wgDBname ) .
 865                                                 "</tt>; try with root access or check your username/pass.</li>\n";
 866                                         $errs["RootPW"] = "&lt;- Enter";
 867                                         continue;
 868                                 }
 869                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
 870                         }
 871                         $wgDatabase->selectDB( $wgDBname );
 872                 }
 873                 else if ($conf->DBtype == 'postgres') {
 874                         if( version_compare( $myver, "PostgreSQL 8.0" ) < 0 ) {
 875                                 dieout( " <b>Postgres 8.0 or later is required</b>. Aborting.</li></ul>" );
 876                         }
 877                 }
 878
 879                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
 880                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
 881
 882                         if ( $conf->DBtype == 'mysql') {
 883
 884                                 # Determine existing default character set
 885                                 if ( $wgDatabase->tableExists( "revision" ) ) {
 886                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
 887                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
 888                                         $row = $wgDatabase->fetchObject( $res );
 889                                         if ( !$row ) {
 890                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
 891                                                 $existingSchema = false;
 892                                         } elseif ( preg_match( '/^latin1/', $row->Collation ) ) {
 893                                                 $existingSchema = 'mysql4';
 894                                         } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
 895                                                 $existingSchema = 'mysql5';
 896                                         } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
 897                                                 $existingSchema = 'mysql5-binary';
 898                                         } else {
 899                                                 $existingSchema = false;
 900                                                 echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
 901                                         }
 902                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
 903                                                 print "<li><strong>Warning:</strong> you requested the {$conf->DBschema} schema, " .
 904                                                         "but the existing database has the $existingSchema schema. This upgrade script ".
 905                                                         "can't convert it, so it will remain $existingSchema.</li>\n";
 906                                                 $conf->setSchema( $existingSchema );
 907                                         }
 908                                 }
 909
 910                                 # Create user if required
 911                                 if ( $conf->Root ) {
 912                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 913                                         if ( $conn->isOpen() ) {
 914                                                 print "<li>DB user account ok</li>\n";
 915                                                 $conn->close();
 916                                         } else {
 917                                                 print "<li>Granting user permissions...";
 918                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
 919                                                         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>";
 920                                                 }
 921                                                 print "</li>\n";
 922                                                 dbsource( "../maintenance/users.sql", $wgDatabase );
 923                                         }
 924                                 }
 925                         }
 926                         print "</ul><pre>\n";
 927                         chdir( ".." );
 928                         flush();
 929                         do_all_updates();
 930                         chdir( "config" );
 931                         print "</pre>\n";
 932                         print "<ul><li>Finished update checks.</li>\n";
 933                 } else {
 934                         # FIXME: Check for errors
 935                         print "<li>Creating tables...";
 936                         if ($conf->DBtype == 'mysql') {
 937                                 dbsource( "../maintenance/tables.sql", $wgDatabase );
 938                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
 939                         } else if ($conf->DBtype == 'postgres') {
 940                                 $wgDatabase->setup_database();
 941                         }
 942                         else {
 943                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
 944                                 continue;
 945                         }
 946
 947                         print " done.</li>\n";
 948
 949                         print "<li>Initializing data...</li>\n";
 950                         $wgDatabase->insert( 'site_stats',
 951                                 array ( 'ss_row_id'        => 1,
 952                                                 'ss_total_views'   => 0,
 953                                                 'ss_total_edits'   => 0,
 954                                                 'ss_good_articles' => 0 ) );
 955
 956                         # Set up the "regular user" account *if we can, and if we need to*
 957                         if( $conf->Root and $conf->DBtype == 'mysql') {
 958                                 # See if we need to
 959                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 960                                 if( $wgDatabase2->isOpen() ) {
 961                                         # Nope, just close the test connection and continue
 962                                         $wgDatabase2->close();
 963                                         echo( "<li>User $wgDBuser exists. Skipping grants.</li>\n" );
 964                                 } else {
 965                                         # Yes, so run the grants
 966                                         echo( "<li>Granting user permissions to $wgDBuser on $wgDBname..." );
 967                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 968                                         echo( "success.</li>\n" );
 969                                 }
 970                         }
 971
 972                         if( $conf->SysopName ) {
 973                                 $u = User::newFromName( $conf->getSysopName() );
 974                                 if ( !$u ) {
 975                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
 976                                 }
 977                                 else if ( 0 == $u->idForName() ) {
 978                                         $u->addToDatabase();
 979                                         $u->setPassword( $conf->getSysopPass() );
 980                                         $u->saveSettings();
 981
 982                                         $u->addGroup( "sysop" );
 983                                         $u->addGroup( "bureaucrat" );
 984
 985                                         print "<li>Created sysop account <tt>" .
 986                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
 987                                 } else {
 988                                         print "<li>Could not create user - already exists!</li>\n";
 989                                 }
 990                         } else {
 991                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
 992                         }
 993
 994                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
 995                         $article = new Article( $titleobj );
 996                         $newid = $article->insertOn( $wgDatabase );
 997                         $revision = new Revision( array(
 998                                 'page'      => $newid,
 999                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1000                                 'comment'   => '',
1001                                 'user'      => 0,
1002                                 'user_text' => 'MediaWiki default',
1003                                 ) );
1004                         $revid = $revision->insertOn( $wgDatabase );
1005                         $article->updateRevisionOn( $wgDatabase, $revision );
1006                 }
1007
1008                 /* Write out the config file now that all is well */
1009                 print "<li style=\"list-style: none\">\n";
1010                 print "<p>Creating LocalSettings.php...</p>\n\n";
1011                 $localSettings = "<" . "?php$endl$local";
1012                 // Fix up a common line-ending problem (due to CVS on Windows)
1013                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1014                 $f = fopen( "LocalSettings.php", 'xt' );
1015
1016                 if( $f == false ) {
1017                         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" .
1018                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1019                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1020                 }
1021                 if(fwrite( $f, $localSettings ) ) {
1022                         fclose( $f );
1023                         writeSuccessMessage();
1024                 } else {
1025                         fclose( $f );
1026                         die("<p class='error'>An error occured while writing the config/LocalSettings.php file. Check user rights and disk space then try again.</p>\n");
1027
1028                 }
1029                 print "</li>\n";
1030
1031         } while( false );
1032 }
1033 ?>
1034 </ul>
1035
1036
1037 <?php
1038
1039 if( count( $errs ) ) {
1040         /* Display options form */
1041
1042         if( $conf->posted ) {
1043                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1044         }
1045 ?>
1046
1047 <form action="index.php" name="config" method="post">
1048
1049
1050 <h2>Site config</h2>
1051
1052 <div class="config-section">
1053         <div class="config-input">
1054                 <?php
1055                 aField( $conf, "Sitename", "Wiki name:" );
1056                 ?>
1057         </div>
1058         <p class="config-desc">
1059                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1060                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1061         </p>
1062
1063         <div class="config-input">
1064                 <?php
1065                 aField( $conf, "EmergencyContact", "Contact e-mail:" );
1066                 ?>
1067         </div>
1068         <p class="config-desc">
1069                 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.
1070         </p>
1071
1072         <div class="config-input">
1073                 <label class='column' for="LanguageCode">Language:</label>
1074                 <select id="LanguageCode" name="LanguageCode">
1075
1076                 <?php
1077                         $list = getLanguageList();
1078                         foreach( $list as $code => $name ) {
1079                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1080                                 echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
1081                         }
1082                 ?>
1083                 </select>
1084         </div>
1085         <p class="config-desc">
1086                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1087         </p>
1088
1089         <div class="config-input">
1090                 <label class='column'>Copyright/license:</label>
1091
1092                 <ul class="plain">
1093                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1094                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
1095                 <li><?php
1096                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1097                         $partner = "MediaWiki";
1098                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/index.php?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1099                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1100                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1101                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1102                         ?>
1103                 <?php if( $conf->License == "cc" ) { ?>
1104                         <ul>
1105                                 <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1106                                 <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1107                                 <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1108                                 <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1109                         </ul>
1110                 <?php } ?>
1111                         </li>
1112                 </ul>
1113         </div>
1114         <p class="config-desc">
1115                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1116         </p>
1117
1118
1119         <div class="config-input">
1120                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1121         </div>
1122         <div class="config-input">
1123                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1124         </div>
1125         <div class="config-input">
1126                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1127         </div>
1128         <p class="config-desc">
1129                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1130                 A new account will be added only when creating a new wiki database.
1131         </p>
1132         <p class="config-desc">
1133                 The password cannot be the same as the username.
1134         </p>
1135
1136         <div class="config-input">
1137                 <label class='column'>Shared memory caching:</label>
1138
1139                 <ul class="plain">
1140                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1141                 <?php
1142                         if ( $conf->turck ) {
1143                                 echo "<li>";
1144                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1145                                 echo "</li>";
1146                         }
1147                         if ( $conf->apc ) {
1148                                 echo "<li>";
1149                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1150                                 echo "</li>";
1151                         }
1152                         if ( $conf->eaccel ) {
1153                                 echo "<li>";
1154                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1155                                 echo "</li>";
1156                         }
1157                 ?>
1158                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1159                 </ul>
1160                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1161         </div>
1162         <p class="config-desc">
1163                 Using a shared memory system such as Turck MMCache, APC, eAccelerator, or Memcached
1164                 will speed up MediaWiki significantly. Memcached is the best solution but needs to be
1165                 installed. Specify the server addresses and ports in a comma-separated list. Only
1166                 use Turck shared memory if the wiki will be running on a single Apache server.
1167         </p>
1168 </div>
1169
1170 <h2>E-mail, e-mail notification and authentication setup</h2>
1171
1172 <div class="config-section">
1173         <div class="config-input">
1174                 <label class='column'>E-mail features (global):</label>
1175                 <ul class="plain">
1176                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1177                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1178                 </ul>
1179         </div>
1180         <p class="config-desc">
1181                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1182                 if sending mail doesn't work on your server.
1183         </p>
1184
1185         <div class="config-input">
1186                 <label class='column'>User-to-user e-mail:</label>
1187                 <ul class="plain">
1188                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1189                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1190                 </ul>
1191         </div>
1192         <p class="config-desc">
1193                 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.
1194         </p>
1195         <div class="config-input">
1196                 <label class='column'>E-mail notification about changes:</label>
1197                 <ul class="plain">
1198                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1199                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1200                 <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>
1201                 </ul>
1202         </div>
1203         <div class="config-desc">
1204                 <p>
1205                 For this feature to work, an e-mail address must be present for the user account, and the notification
1206                 options in the user's preferences must be enabled. Also note the
1207                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1208
1209                 <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>
1210         </div>
1211
1212         <div class="config-input">
1213                 <label class='column'>E-mail address authentication:</label>
1214                 <ul class="plain">
1215                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1216                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1217                 </ul>
1218         </div>
1219         <div class="config-desc">
1220                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1221                 change notification mails. Setting this option is <B>recommended</B> for public wikis because of potential abuse of the e-mail features above.</p>
1222         </div>
1223
1224 </div>
1225
1226 <h2>Database config</h2>
1227
1228 <div class="config-section">
1229 <div class="config-input">
1230                 <label class='column'>Database type:</label>
1231 <?php if (isset($errs['DBpicktype'])) print "<span class='error'>$errs[DBpicktype]</span>\n"; ?>
1232                 <ul class='plain'><?php database_picker($conf) ?></ul>
1233         </div>
1234
1235         <div class="config-input" style="clear:left"><?php
1236                 aField( $conf, "DBserver", "Database host:" );
1237         ?></div>
1238         <p class="config-desc">
1239                 If your database server isn't on your web server, enter the name or IP address here.
1240         </p>
1241
1242         <div class="config-input"><?php
1243                 aField( $conf, "DBname", "Database name:" );
1244         ?></div>
1245         <div class="config-input"><?php
1246                 aField( $conf, "DBuser", "DB username:" );
1247         ?></div>
1248         <div class="config-input"><?php
1249                 aField( $conf, "DBpassword", "DB password:", "password" );
1250         ?></div>
1251         <div class="config-input"><?php
1252                 aField( $conf, "DBpassword2", "DB password confirm:", "password" );
1253         ?></div>
1254         <p class="config-desc">
1255                 If you only have a single user account and database available,
1256                 enter those here. If you have database root access (see below)
1257                 you can specify new accounts/databases to be created. This account
1258                 will not be created if it pre-exists. If this is the case, ensure that it
1259                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1260         </p>
1261
1262         <div class="config-input">
1263                 <label class="column">Superuser account:</label>
1264                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?>/>
1265                 &nbsp;<label for="useroot">Use superuser account</label>
1266         </div>
1267         <div class="config-input">
1268                 <?php
1269                 aField( $conf, "RootUser", "Superuser name:", "superuser" );
1270                 ?>
1271         </div>
1272         <div class="config-input">
1273                 <?php
1274                 aField( $conf, "RootPW", "Superuser password:", "password" );
1275                 ?>
1276         </div>
1277
1278         <p class="config-desc">
1279                 If the database user specified above does not exist, or does not have access to create
1280                 the database (if needed) or tables within it, please check the box and provide details
1281                 of a superuser account, such as <strong>root</strong>, which does.
1282         </p>
1283
1284         <?php database_switcher('mysql'); ?>
1285         <div class="config-input"><?php
1286                 aField( $conf, "DBprefix", "Database table prefix:" );
1287         ?></div>
1288         <div class="config-desc">
1289                 <p>If you need to share one database between multiple wikis, or
1290                 between MediaWiki and another web application, you may choose to
1291                 add a prefix to all the table names to avoid conflicts.</p>
1292
1293                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1294         </div>
1295
1296         <div class="config-input"><label class="column">Database charset</label>
1297                 <div>Select one:</div>
1298                 <ul class="plain">
1299                 <li><?php aField( $conf, "DBschema", "Backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1300                 <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1301                 <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1302                 </ul>
1303         </div>
1304         <p class="config-desc">
1305                 <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
1306                 for MySQL 4.1 and 5.0 servers. This is not well tested and may
1307                 cause things to break. <b>If upgrading an older installation, leave
1308                 in backwards-compatible mode.</b>
1309         </p>
1310         </div>
1311
1312         <?php database_switcher('postgres'); ?>
1313         <div class="config-input"><?php
1314                 aField( $conf, "DBport", "Database port:" );
1315         ?></div>
1316         <div class="config-input"><?php
1317                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1318         ?></div>
1319         <div class="config-input"><?php
1320                 aField( $conf, "DBts2schema", "Schema for tsearch2:" );
1321         ?></div>
1322         <div class="config-desc">
1323                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1324                 so it is recommended that you create a new user. The above schemas are generally correct:
1325         only change them if you are sure you need to.</p>
1326         </div>
1327         </div>
1328
1329         <div class="config-input" style="padding:2em 0 3em">
1330                 <label class='column'>&nbsp;</label>
1331                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1332         </div>
1333
1334 </div>
1335
1336 <script type="text/javascript">
1337 window.onload = toggleDBarea('<?php echo $conf->DBtype; ?>',
1338 <?php
1339         ## If they passed in a root user name, don't populate it on page load
1340         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1341 ?>);
1342 </script>
1343
1344 </form>
1345
1346 <?php
1347 }
1348
1349 /* -------------------------------------------------------------------------------------- */
1350 function writeSuccessMessage() {
1351         if ( ini_get( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1352                 echo <<<EOT
1353 <p>Installation successful!</p>
1354 <p>To complete the installation, please do the following:
1355 <ol>
1356         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1357         <li>Upload it to the parent directory</li>
1358         <li>Delete config/LocalSettings.php</li>
1359         <li>Start using <a href='../index.php'>your wiki</a>!
1360 </ol>
1361 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1362 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1363 which means that anyone on the same server can read your database password! Downloading
1364 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1365 EOT;
1366         } else {
1367                 echo "<p><span style='font-weight:bold;color:green;font-size:110%'>Installation successful!</span> Move the <tt>config/LocalSettings.php</tt> file into the parent directory, then follow
1368                         <strong><a href='../index.php'>this link</a></strong> to your wiki.</p>\n";
1369         }
1370 }
1371
1372
1373 function escapePhpString( $string ) {
1374         return strtr( $string,
1375                 array(
1376                         "\n" => "\\n",
1377                         "\r" => "\\r",
1378                         "\t" => "\\t",
1379                         "\\" => "\\\\",
1380                         "\$" => "\\\$",
1381                         "\"" => "\\\""
1382                 ));
1383 }
1384
1385 function writeLocalSettings( $conf ) {
1386         $conf->PasswordSender = $conf->EmergencyContact;
1387         $magic = ($conf->ImageMagick ? "" : "# ");
1388         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1389         $rights = ($conf->RightsUrl) ? "" : "# ";
1390         $hashedUploads = $conf->safeMode ? '' : '# ';
1391
1392         switch ( $conf->Shm ) {
1393                 case 'memcached':
1394                         $cacheType = 'CACHE_MEMCACHED';
1395                         $mcservers = var_export( $conf->MCServerArray, true );
1396                         break;
1397                 case 'turck':
1398                 case 'apc':
1399                 case 'eaccel':
1400                         $cacheType = 'CACHE_ACCEL';
1401                         $mcservers = 'array()';
1402                         break;
1403                 default:
1404                         $cacheType = 'CACHE_NONE';
1405                         $mcservers = 'array()';
1406         }
1407
1408         if ( $conf->Email == 'email_enabled' ) {
1409                 $enableemail = 'true';
1410                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1411                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1412                 switch ( $conf->Enotif ) {
1413                         case 'enotif_usertalk':
1414                                 $enotifusertalk = 'true';
1415                                 $enotifwatchlist = 'false';
1416                                 break;
1417                         case 'enotif_allpages':
1418                                 $enotifusertalk = 'true';
1419                                 $enotifwatchlist = 'true';
1420                                 break;
1421                         default:
1422                                 $enotifusertalk = 'false';
1423                                 $enotifwatchlist = 'false';
1424                 }
1425         } else {
1426                 $enableuseremail = 'false';
1427                 $enableemail = 'false';
1428                 $eauthent = 'false';
1429                 $enotifusertalk = 'false';
1430                 $enotifwatchlist = 'false';
1431         }
1432
1433         $file = @fopen( "/dev/urandom", "r" );
1434         if ( $file ) {
1435                 $secretKey = bin2hex( fread( $file, 32 ) );
1436                 fclose( $file );
1437         } else {
1438                 $secretKey = "";
1439                 for ( $i=0; $i<8; $i++ ) {
1440                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1441                 }
1442                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1443         }
1444
1445         # Add slashes to strings for double quoting
1446         $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
1447         if( $conf->License == 'gfdl' ) {
1448                 # Needs literal string interpolation for the current style path
1449                 $slconf['RightsIcon'] = $conf->RightsIcon;
1450         }
1451
1452         $localsettings = "
1453 # This file was automatically generated by the MediaWiki installer.
1454 # If you make manual changes, please keep track in case you need to
1455 # recreate them later.
1456 #
1457 # See includes/DefaultSettings.php for all configurable settings
1458 # and their default values, but don't forget to make changes in _this_
1459 # file, not there.
1460
1461 # If you customize your file layout, set \$IP to the directory that contains
1462 # the other MediaWiki files. It will be used as a base to locate files.
1463 if( defined( 'MW_INSTALL_PATH' ) ) {
1464         \$IP = MW_INSTALL_PATH;
1465 } else {
1466         \$IP = dirname( __FILE__ );
1467 }
1468
1469 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1470 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1471
1472 require_once( \"includes/DefaultSettings.php\" );
1473
1474 # If PHP's memory limit is very low, some operations may fail.
1475 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1476
1477 if ( \$wgCommandLineMode ) {
1478         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1479                 die( \"This script must be run from the command line\\n\" );
1480         }
1481 }
1482 ## Uncomment this to disable output compression
1483 # \$wgDisableOutputCompression = true;
1484
1485 \$wgSitename         = \"{$slconf['Sitename']}\";
1486
1487 ## The URL base path to the directory containing the wiki;
1488 ## defaults for all runtime URL paths are based off of this.
1489 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1490
1491 ## For more information on customizing the URLs please see:
1492 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1493
1494 \$wgEnableEmail      = $enableemail;
1495 \$wgEnableUserEmail  = $enableuseremail;
1496
1497 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1498 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1499
1500 ## For a detailed description of the following switches see
1501 ## http://meta.wikimedia.org/Enotif and http://meta.wikimedia.org/Eauthent
1502 ## There are many more options for fine tuning available see
1503 ## /includes/DefaultSettings.php
1504 ## UPO means: this is also a user preference option
1505 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1506 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1507 \$wgEmailAuthentication = $eauthent;
1508
1509 \$wgDBtype           = \"{$slconf['DBtype']}\";
1510 \$wgDBserver         = \"{$slconf['DBserver']}\";
1511 \$wgDBname           = \"{$slconf['DBname']}\";
1512 \$wgDBuser           = \"{$slconf['DBuser']}\";
1513 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1514
1515 # MySQL specific settings
1516 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1517
1518 # MySQL table options to use during installation or update
1519 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1520
1521 # Experimental charset support for MySQL 4.1/5.0.
1522 \$wgDBmysql5 = {$conf->DBmysql5};
1523
1524 # Postgres specific settings
1525 \$wgDBport           = \"{$slconf['DBport']}\";
1526 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1527 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";
1528
1529 ## Shared memory settings
1530 \$wgMainCacheType = $cacheType;
1531 \$wgMemCachedServers = $mcservers;
1532
1533 ## To enable image uploads, make sure the 'images' directory
1534 ## is writable, then set this to true:
1535 \$wgEnableUploads       = false;
1536 {$magic}\$wgUseImageMagick = true;
1537 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1538
1539 ## If you want to use image uploads under safe mode,
1540 ## create the directories images/archive, images/thumb and
1541 ## images/temp, and make them all writable. Then uncomment
1542 ## this, if it's not already uncommented:
1543 {$hashedUploads}\$wgHashedUploadDirectory = false;
1544
1545 ## If you have the appropriate support software installed
1546 ## you can enable inline LaTeX equations:
1547 \$wgUseTeX           = false;
1548
1549 \$wgLocalInterwiki   = \$wgSitename;
1550
1551 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1552
1553 \$wgProxyKey = \"$secretKey\";
1554
1555 ## Default skin: you can change the default skin. Use the internal symbolic
1556 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1557 \$wgDefaultSkin = 'monobook';
1558
1559 ## For attaching licensing metadata to pages, and displaying an
1560 ## appropriate copyright notice / icon. GNU Free Documentation
1561 ## License and Creative Commons licenses are supported so far.
1562 {$rights}\$wgEnableCreativeCommonsRdf = true;
1563 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1564 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1565 \$wgRightsText = \"{$slconf['RightsText']}\";
1566 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1567 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1568
1569 \$wgDiff3 = \"{$slconf['diff3']}\";
1570
1571 # When you make changes to this configuration file, this will make
1572 # sure that cached pages are cleared.
1573 \$configdate = gmdate( 'YmdHis', @filemtime( __FILE__ ) );
1574 \$wgCacheEpoch = max( \$wgCacheEpoch, \$configdate );
1575         "; ## End of setting the $localsettings string
1576
1577         // Keep things in Unix line endings internally;
1578         // the system will write out as local text type.
1579         return str_replace( "\r\n", "\n", $localsettings );
1580 }
1581
1582 function dieout( $text ) {
1583         die( $text . "\n\n</body>\n</html>" );
1584 }
1585
1586 function importVar( &$var, $name, $default = "" ) {
1587         if( isset( $var[$name] ) ) {
1588                 $retval = $var[$name];
1589                 if ( get_magic_quotes_gpc() ) {
1590                         $retval = stripslashes( $retval );
1591                 }
1592         } else {
1593                 $retval = $default;
1594         }
1595         return $retval;
1596 }
1597
1598 function importPost( $name, $default = "" ) {
1599         return importVar( $_POST, $name, $default );
1600 }
1601
1602 function importCheck( $name ) {
1603         return isset( $_POST[$name] );
1604 }
1605
1606 function importRequest( $name, $default = "" ) {
1607         return importVar( $_REQUEST, $name, $default );
1608 }
1609
1610 $radioCount = 0;
1611
1612 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
1613         global $radioCount;
1614         if( $type != "" ) {
1615                 $xtype = "type=\"$type\"";
1616         } else {
1617                 $xtype = "";
1618         }
1619
1620         $id = $field;
1621         $nolabel = ($type == "radio") || ($type == "hidden");
1622
1623         if ($type == 'radio')
1624                 $id .= $radioCount++;
1625
1626         if( $nolabel ) {
1627                 echo "\t\t<label>";
1628         } else {
1629                 echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
1630         }
1631
1632         if( $type == "radio" && $value == $conf->$field ) {
1633                 $checked = "checked='checked'";
1634         } else {
1635                 $checked = "";
1636         }
1637         echo "\t\t<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
1638         if ($onclick) {
1639                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
1640         }
1641         echo "value=\"";
1642         if( $type == "radio" ) {
1643                 echo htmlspecialchars( $value );
1644         } else {
1645                 echo htmlspecialchars( $conf->$field );
1646         }
1647
1648
1649         echo "\" />\n";
1650         if( $nolabel ) {
1651                 echo " $text</label>\n";
1652         }
1653
1654         global $errs;
1655         if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
1656 }
1657
1658 function getLanguageList() {
1659         global $wgLanguageNames;
1660         if( !isset( $wgLanguageNames ) ) {
1661                 require_once( "languages/Names.php" );
1662         }
1663
1664         $codes = array();
1665
1666         $d = opendir( "../languages/messages" );
1667         /* In case we are called from the root directory */
1668         if (!$d)
1669                 $d = opendir( "languages/messages");
1670         while( false !== ($f = readdir( $d ) ) ) {
1671                 $m = array();
1672                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
1673                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
1674                         if( isset( $wgLanguageNames[$code] ) ) {
1675                                 $name = $code . ' - ' . $wgLanguageNames[$code];
1676                         } else {
1677                                 $name = $code;
1678                         }
1679                         $codes[$code] = $name;
1680                 }
1681         }
1682         closedir( $d );
1683         ksort( $codes );
1684         return $codes;
1685 }
1686
1687 #Check for location of an executable
1688 # @param string $loc single location to check
1689 # @param array $names filenames to check for.
1690 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
1691 function locate_executable($loc, $names, $versioninfo = false) {
1692         if (!is_array($names))
1693                 $names = array($names);
1694
1695         foreach ($names as $name) {
1696                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
1697                 if (file_exists($command)) {
1698                         if (!$versioninfo)
1699                                 return $command;
1700
1701                         $file = str_replace('$1', $command, $versioninfo[0]);
1702                         if (strstr(`$file`, $versioninfo[1]) !== false)
1703                                 return $command;
1704                 }
1705         }
1706         return false;
1707 }
1708
1709 # Test a memcached server
1710 function testMemcachedServer( $server ) {
1711         $hostport = explode(":", $server);
1712         $errstr = false;
1713         $fp = false;
1714         if ( !function_exists( 'fsockopen' ) ) {
1715                 $errstr = "Can't connect to memcached, fsockopen() not present";
1716         }
1717         if ( !$errstr && count( $hostport ) != 2 ) {
1718                 $errstr = 'Please specify host and port';
1719                 var_dump( $hostport );
1720         }
1721         if ( !$errstr ) {
1722                 list( $host, $port ) = $hostport;
1723                 $errno = 0;
1724                 $fsockerr = '';
1725
1726                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
1727                 if ( $fp === false ) {
1728                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
1729                 }
1730         }
1731         if ( !$errstr ) {
1732                 $command = "version\r\n";
1733                 $bytes = fwrite( $fp, $command );
1734                 if ( $bytes != strlen( $command ) ) {
1735                         $errstr = "Cannot write to memcached socket on $host:$port";
1736                 }
1737         }
1738         if ( !$errstr ) {
1739                 $expected = "VERSION ";
1740                 $response = fread( $fp, strlen( $expected ) );
1741                 if ( $response != $expected ) {
1742                         $errstr = "Didn't get correct memcached response from $host:$port";
1743                 }
1744         }
1745         if ( $fp ) {
1746                 fclose( $fp );
1747         }
1748         if ( !$errstr ) {
1749                 echo "<li>Connected to memcached on $host:$port successfully";
1750         }
1751         return $errstr;
1752 }
1753
1754 function database_picker($conf) {
1755         global $ourdb;
1756         print "\n";
1757         foreach(array_keys($ourdb) as $db) {
1758                 if ($ourdb[$db]['havedriver']) {
1759                         print "<li>";
1760                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
1761                         print "</li>\n";
1762                 }
1763         }
1764         print "\n";
1765 }
1766
1767 function database_switcher($db) {
1768         global $ourdb;
1769         $color = $ourdb[$db]['bgcolor'];
1770         $full = $ourdb[$db]['fullname'];
1771         print "<div id='$db' style='display:none; background: $color'>\n";
1772         print "<h3>$full specific options:</h3>\n";
1773 }
1774
1775 function printListItem( $item ) {
1776         print "<li>$item</li>";
1777 }
1778
1779 ?>
1780
1781         <div class="license">
1782         <hr>
1783         <p>This program is free software; you can redistribute it and/or modify
1784          it under the terms of the GNU General Public License as published by
1785          the Free Software Foundation; either version 2 of the License, or
1786          (at your option) any later version.</p>
1787
1788          <p>This program is distributed in the hope that it will be useful,
1789          but WITHOUT ANY WARRANTY; without even the implied warranty of
1790          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1791          GNU General Public License for more details.</p>
1792
1793          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
1794          along with this program; if not, write to the Free Software
1795          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
1796          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
1797         </div>
1798
1799 </div></div></div>
1800
1801
1802 <div id="column-one">
1803         <div class="portlet" id="p-logo">
1804           <a style="background-image: url(../skins/common/images/mediawiki.png);"
1805             href="http://www.mediawiki.org/"
1806             title="Main Page"></a>
1807         </div>
1808         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
1809         <div class='portlet'><div class='pBody'>
1810                 <ul>
1811                         <li><strong><a href="http://www.mediawiki.org/">MediaWiki home</a></strong></li>
1812                         <li><a href="../README">Readme</a></li>
1813                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
1814                         <li><a href="../docs/">Documentation</a></li>
1815                         <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
1816                         <li><a href="http://meta.wikimedia.org/wiki/MediaWiki_FAQ">FAQ</a></li>
1817                 </ul>
1818                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright &copy; 2001-2007 by Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik M&ouml;ller, Gabriel Wicke and others.</p>
1819         </div></div>
1820 </div>
1821
1822 </div>
1823
1824 </body>
1825 </html>