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->xcache = function_exists( 'xcache_get' );
 454 if( $conf->xcache )
 455         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>";
 456
 457 $conf->apc = function_exists('apc_fetch');
 458 if ($conf->apc ) {
 459         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>";
 460 }
 461
 462 $conf->eaccel = function_exists( 'eaccelerator_get' );
 463 if ( $conf->eaccel ) {
 464         $conf->turck = 'eaccelerator';
 465         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 466 }
 467
 468 if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 469         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 470                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>,
 471                 <a href="http://www.php.net/apc">APC</a> or <a href="http://trac.lighttpd.net/xcache/">XCache</a>.
 472                 Object caching functions cannot be used.</li>' );
 473 }
 474
 475 $conf->diff3 = false;
 476 $diff3locations = array_merge(
 477         array(
 478                 "/usr/bin",
 479                 "/usr/local/bin",
 480                 "/opt/csw/bin",
 481                 "/usr/gnu/bin",
 482                 "/usr/sfw/bin" ),
 483         explode( $sep, getenv( "PATH" ) ) );
 484 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 485
 486 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 487 foreach ($diff3locations as $loc) {
 488         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 489         if ($exe !== false) {
 490                 $conf->diff3 = $exe;
 491                 break;
 492         }
 493 }
 494
 495 if ($conf->diff3)
 496         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 497 else
 498         print "<li>GNU diff3 not found.</li>";
 499
 500 $conf->ImageMagick = false;
 501 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 502 foreach( $imcheck as $dir ) {
 503         $im = "$dir/convert";
 504         if( file_exists( $im ) ) {
 505                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 506                 $conf->ImageMagick = $im;
 507                 break;
 508         }
 509 }
 510
 511 $conf->HaveGD = function_exists( "imagejpeg" );
 512 if( $conf->HaveGD ) {
 513         print "<li>Found GD graphics library built-in";
 514         if( !$conf->ImageMagick ) {
 515                 print ", image thumbnailing will be enabled if you enable uploads";
 516         }
 517         print ".</li>\n";
 518 } else {
 519         if( !$conf->ImageMagick ) {
 520                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 521         }
 522 }
 523
 524 $conf->IP = dirname( dirname( __FILE__ ) );
 525 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 526
 527
 528 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 529 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 530 // to get the path to the current script... hopefully it's reliable. SIGH
 531 $path = ($_SERVER["PHP_SELF"] === '')
 532         ? $_SERVER["SCRIPT_NAME"]
 533         : $_SERVER["PHP_SELF"];
 534 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 535 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 536
 537 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 538         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 539
 540         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 541         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 542                 ? 'root@localhost'
 543                 : $_SERVER["SERVER_ADMIN"];
 544         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 545         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 546 ?>
 547
 548 <?php
 549         $conf->DBserver = importPost( "DBserver", "localhost" );
 550         $conf->DBname = importPost( "DBname", "wikidb" );
 551         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 552         $conf->DBpassword = importPost( "DBpassword" );
 553         $conf->DBpassword2 = importPost( "DBpassword2" );
 554         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 555         $conf->SysopPass = importPost( "SysopPass" );
 556         $conf->SysopPass2 = importPost( "SysopPass2" );
 557         $conf->RootUser = importPost( "RootUser", "root" );
 558         $conf->RootPW = importPost( "RootPW", "" );
 559         $useRoot = importCheck( 'useroot', false );
 560         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 561
 562         ## MySQL specific:
 563         $conf->DBprefix     = importPost( "DBprefix" );
 564         $conf->setSchema( importPost( "DBschema", "mysql4" ) );
 565
 566         ## Postgres specific:
 567         $conf->DBport      = importPost( "DBport",      "5432" );
 568         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 569         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 570
 571 /* Check for validity */
 572 $errs = array();
 573
 574 if( $conf->Sitename == "" || $conf->Sitename == "MediaWiki" || $conf->Sitename == "Mediawiki" ) {
 575         $errs["Sitename"] = "Must not be blank or \"MediaWiki\"";
 576 }
 577 if( $conf->DBuser == "" ) {
 578         $errs["DBuser"] = "Must not be blank";
 579 }
 580 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 581         $errs["DBuser"] = "Username too long";
 582 }
 583 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 584         $errs["DBpassword"] = "Must not be blank";
 585 }
 586 if( $conf->DBpassword != $conf->DBpassword2 ) {
 587         $errs["DBpassword2"] = "Passwords don't match!";
 588 }
 589 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 590         $errs["DBprefix"] = "Invalid table prefix";
 591 }
 592
 593 error_reporting( E_ALL );
 594
 595 /**
 596  * Initialise $wgLang and $wgContLang to something so we can
 597  * call case-folding methods. Per Brion, this is English for
 598  * now, although we could be clever and initialise to the
 599  * user-selected language.
 600  */
 601 $wgContLang = Language::factory( 'en' );
 602 $wgLang = $wgContLang;
 603
 604 /**
 605  * We're messing about with users, so we need a stub
 606  * authentication plugin...
 607  */
 608 $wgAuth = new AuthPlugin();
 609
 610 /**
 611  * Validate the initial administrator account; username,
 612  * password checks, etc.
 613  */
 614 if( $conf->SysopName ) {
 615         # Check that the user can be created
 616         $u = User::newFromName( $conf->SysopName );
 617         if( $u instanceof User ) {
 618                 # Various password checks
 619                 if( $conf->SysopPass != '' ) {
 620                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 621                                 if( !$u->isValidPassword( $conf->SysopPass ) ) {
 622                                         $errs['SysopPass'] = "Bad password";
 623                                 }
 624                         } else {
 625                                 $errs['SysopPass2'] = "Passwords don't match";
 626                         }
 627                 } else {
 628                         $errs['SysopPass'] = "Cannot be blank";
 629                 }
 630                 unset( $u );
 631         } else {
 632                 $errs['SysopName'] = "Bad username";
 633         }
 634 }
 635
 636 $conf->License = importRequest( "License", "none" );
 637 if( $conf->License == "gfdl" ) {
 638         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 639         $conf->RightsText = "GNU Free Documentation License 1.2";
 640         $conf->RightsCode = "gfdl";
 641         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 642 } elseif( $conf->License == "none" ) {
 643         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 644 } else {
 645         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 646         $conf->RightsText = importRequest( "RightsText", "" );
 647         $conf->RightsCode = importRequest( "RightsCode", "" );
 648         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 649 }
 650
 651 $conf->Shm = importRequest( "Shm", "none" );
 652 $conf->MCServers = importRequest( "MCServers" );
 653
 654 /* Test memcached servers */
 655
 656 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 657         $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
 658         foreach ( $conf->MCServerArray as $server ) {
 659                 $error = testMemcachedServer( $server );
 660                 if ( $error ) {
 661                         $errs["MCServers"] = $error;
 662                         break;
 663                 }
 664         }
 665 } else if ( $conf->Shm == 'memcached' ) {
 666         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 667 }
 668
 669 /* default values for installation */
 670 $conf->Email     = importRequest("Email", "email_enabled");
 671 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 672 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 673 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 674
 675 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 676         do { /* So we can 'continue' to end prematurely */
 677                 $conf->Root = ($conf->RootPW != "");
 678
 679                 /* Load up the settings and get installin' */
 680                 $local = writeLocalSettings( $conf );
 681                 echo "<li style=\"list-style: none\">\n";
 682                 echo "<p><b>Generating configuration file...</b></p>\n";
 683                 echo "</li>\n";
 684
 685                 $wgCommandLineMode = false;
 686                 chdir( ".." );
 687                 $ok = eval( $local );
 688                 if( $ok === false ) {
 689                         dieout( "Errors in generated configuration; " .
 690                                 "most likely due to a bug in the installer... " .
 691                                 "Config file was: " .
 692                                 "<pre>" .
 693                                 htmlspecialchars( $local ) .
 694                                 "</pre>" .
 695                                 "</ul>" );
 696                 }
 697                 $conf->DBtypename = '';
 698                 foreach (array_keys($ourdb) as $db) {
 699                         if ($conf->DBtype === $db)
 700                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 701                 }
 702                 if ( ! strlen($conf->DBtype)) {
 703                         $errs["DBpicktype"] = "Please choose a database type";
 704                         continue;
 705                 }
 706
 707                 if (! $conf->DBtypename) {
 708                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 709                         continue;
 710                 }
 711                 print "<li>Database type: {$conf->DBtypename}</li>\n";
 712                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 713                 $wgDBtype = $conf->DBtype;
 714                 $wgDBadminuser = "root";
 715                 $wgDBadminpassword = $conf->RootPW;
 716
 717                 ## Mysql specific:
 718                 $wgDBprefix = $conf->DBprefix;
 719
 720                 ## Postgres specific:
 721                 $wgDBport      = $conf->DBport;
 722                 $wgDBmwschema  = $conf->DBmwschema;
 723                 $wgDBts2schema = $conf->DBts2schema;
 724
 725                 $wgCommandLineMode = true;
 726                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 727                 require_once( "includes/Setup.php" );
 728                 chdir( "config" );
 729
 730                 $wgTitle = Title::newFromText( "Installation script" );
 731                 error_reporting( E_ALL );
 732                 print "<li>Loading class: $dbclass";
 733                 $dbc = new $dbclass;
 734
 735                 if( $conf->DBtype == 'mysql' ) {
 736                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 737                         if( $mysqlOldClient ) {
 738                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 739                                         using a MySQL 4.1 server and have problems connecting to the database,
 740                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 741                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 742                         }
 743                         $ok = true; # Let's be optimistic
 744
 745                         # Decide if we're going to use the superuser or the regular database user
 746                         $conf->Root = $useRoot;
 747                         if( $conf->Root ) {
 748                                 $db_user = $conf->RootUser;
 749                                 $db_pass = $conf->RootPW;
 750                         } else {
 751                                 $db_user = $wgDBuser;
 752                                 $db_pass = $wgDBpassword;
 753                         }
 754
 755                         # Attempt to connect
 756                         echo( "<li>Attempting to connect to database server as $db_user..." );
 757                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 758
 759                         # Check the connection and respond to errors
 760                         if( $wgDatabase->isOpen() ) {
 761                                 # Seems OK
 762                                 $ok = true;
 763                                 $wgDBadminuser = $db_user;
 764                                 $wgDBadminpassword = $db_pass;
 765                                 echo( "success.</li>\n" );
 766                                 $wgDatabase->ignoreErrors( true );
 767                                 $myver = $wgDatabase->getServerVersion();
 768                         } else {
 769                                 # There were errors, report them and back out
 770                                 $ok = false;
 771                                 $errno = mysql_errno();
 772                                 $errtx = htmlspecialchars( mysql_error() );
 773                                 switch( $errno ) {
 774                                         case 1045:
 775                                         case 2000:
 776                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 777                                                 if( $conf->Root ) {
 778                                                         # The superuser details are wrong
 779                                                         $errs["RootUser"] = "Check username";
 780                                                         $errs["RootPW"] = "and password";
 781                                                 } else {
 782                                                         # The regular user details are wrong
 783                                                         $errs["DBuser"] = "Check username";
 784                                                         $errs["DBpassword"] = "and password";
 785                                                 }
 786                                                 break;
 787                                         case 2002:
 788                                         case 2003:
 789                                         default:
 790                                                 # General connection problem
 791                                                 echo( "failed with error [$errno] $errtx.</li>\n" );
 792                                                 $errs["DBserver"] = "Connection failed";
 793                                                 break;
 794                                 } # switch
 795                         } #conn. att.
 796
 797                         if( !$ok ) { continue; }
 798
 799                 } else /* not mysql */ {
 800                         error_reporting( E_ALL );
 801                         $wgSuperUser = '';
 802                         ## Possible connect as a superuser
 803                         if( $useRoot ) {
 804                                 $wgDBsuperuser = $conf->RootUser;
 805                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"$wgDBsuperuser\"..." );
 806                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
 807                                 if (!$wgDatabase->isOpen()) {
 808                                         print " error: " . $wgDatabase->lastError() . "</li>\n";
 809                                         $errs["DBserver"] = "Could not connect to database as superuser";
 810                                         $errs["RootUser"] = "Check username";
 811                                         $errs["RootPW"] = "and password";
 812                                         continue;
 813                                 }
 814                         }
 815                         echo( "<li>Attempting to connect to database \"$wgDBname\" as \"$wgDBuser\"..." );
 816                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
 817                         if (!$wgDatabase->isOpen()) {
 818                                 print " error: " . $wgDatabase->lastError() . "</li>\n";
 819                         } else {
 820                                 $myver = $wgDatabase->getServerVersion();
 821                         }
 822                 }
 823
 824                 if ( !$wgDatabase->isOpen() ) {
 825                         $errs["DBserver"] = "Couldn't connect to database";
 826                         continue;
 827                 }
 828
 829                 print "<li>Connected to $myver";
 830                 if ($conf->DBtype == 'mysql') {
 831                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
 832                                 dieout( " -- mysql 4.0.14 or later required. Aborting." );
 833                         }
 834                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
 835                         if( $mysqlNewAuth && $mysqlOldClient ) {
 836                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
 837                                         to old client libraries; if you have trouble with authentication, see
 838                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 839                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
 840                         }
 841                         if( $wgDBmysql5 ) {
 842                                 if( $mysqlNewAuth ) {
 843                                         print "; enabling MySQL 4.1/5.0 charset mode";
 844                                 } else {
 845                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
 846                                                 but older version detected; will likely fail.</b>";
 847                                 }
 848                         }
 849                         print "</li>\n";
 850
 851                         @$sel = $wgDatabase->selectDB( $wgDBname );
 852                         if( $sel ) {
 853                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
 854                         } else {
 855                                 $err = mysql_errno();
 856                                 $databaseSafe = htmlspecialchars( $wgDBname );
 857                                 if( $err == 1102 /* Invalid database name */ ) {
 858                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
 859                                         continue;
 860                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
 861                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
 862                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
 863                                         continue;
 864                                 }
 865                                 print "<li>Attempting to create database...</li>";
 866                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
 867                                 if( !$res ) {
 868                                         print "<li>Couldn't create database <tt>" .
 869                                                 htmlspecialchars( $wgDBname ) .
 870                                                 "</tt>; try with root access or check your username/pass.</li>\n";
 871                                         $errs["RootPW"] = "&lt;- Enter";
 872                                         continue;
 873                                 }
 874                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
 875                         }
 876                         $wgDatabase->selectDB( $wgDBname );
 877                 }
 878                 else if ($conf->DBtype == 'postgres') {
 879                         if( version_compare( $myver, "PostgreSQL 8.0" ) < 0 ) {
 880                                 dieout( " <b>Postgres 8.0 or later is required</b>. Aborting.</li></ul>" );
 881                         }
 882                 }
 883
 884                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
 885                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
 886
 887                         if ( $conf->DBtype == 'mysql') {
 888
 889                                 # Determine existing default character set
 890                                 if ( $wgDatabase->tableExists( "revision" ) ) {
 891                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
 892                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
 893                                         $row = $wgDatabase->fetchObject( $res );
 894                                         if ( !$row ) {
 895                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
 896                                                 $existingSchema = false;
 897                                         } elseif ( preg_match( '/^latin1/', $row->Collation ) ) {
 898                                                 $existingSchema = 'mysql4';
 899                                         } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
 900                                                 $existingSchema = 'mysql5';
 901                                         } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
 902                                                 $existingSchema = 'mysql5-binary';
 903                                         } else {
 904                                                 $existingSchema = false;
 905                                                 echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
 906                                         }
 907                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
 908                                                 print "<li><strong>Warning:</strong> you requested the {$conf->DBschema} schema, " .
 909                                                         "but the existing database has the $existingSchema schema. This upgrade script ".
 910                                                         "can't convert it, so it will remain $existingSchema.</li>\n";
 911                                                 $conf->setSchema( $existingSchema );
 912                                         }
 913                                 }
 914
 915                                 # Create user if required
 916                                 if ( $conf->Root ) {
 917                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 918                                         if ( $conn->isOpen() ) {
 919                                                 print "<li>DB user account ok</li>\n";
 920                                                 $conn->close();
 921                                         } else {
 922                                                 print "<li>Granting user permissions...";
 923                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
 924                                                         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>";
 925                                                 }
 926                                                 print "</li>\n";
 927                                                 dbsource( "../maintenance/users.sql", $wgDatabase );
 928                                         }
 929                                 }
 930                         }
 931                         print "</ul><pre>\n";
 932                         chdir( ".." );
 933                         flush();
 934                         do_all_updates();
 935                         chdir( "config" );
 936                         print "</pre>\n";
 937                         print "<ul><li>Finished update checks.</li>\n";
 938                 } else {
 939                         # FIXME: Check for errors
 940                         print "<li>Creating tables...";
 941                         if ($conf->DBtype == 'mysql') {
 942                                 dbsource( "../maintenance/tables.sql", $wgDatabase );
 943                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
 944                         } else if ($conf->DBtype == 'postgres') {
 945                                 $wgDatabase->setup_database();
 946                         }
 947                         else {
 948                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
 949                                 continue;
 950                         }
 951
 952                         print " done.</li>\n";
 953
 954                         print "<li>Initializing data...</li>\n";
 955                         $wgDatabase->insert( 'site_stats',
 956                                 array ( 'ss_row_id'        => 1,
 957                                                 'ss_total_views'   => 0,
 958                                                 'ss_total_edits'   => 0,
 959                                                 'ss_good_articles' => 0 ) );
 960
 961                         # Set up the "regular user" account *if we can, and if we need to*
 962                         if( $conf->Root and $conf->DBtype == 'mysql') {
 963                                 # See if we need to
 964                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 965                                 if( $wgDatabase2->isOpen() ) {
 966                                         # Nope, just close the test connection and continue
 967                                         $wgDatabase2->close();
 968                                         echo( "<li>User $wgDBuser exists. Skipping grants.</li>\n" );
 969                                 } else {
 970                                         # Yes, so run the grants
 971                                         echo( "<li>Granting user permissions to $wgDBuser on $wgDBname..." );
 972                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 973                                         echo( "success.</li>\n" );
 974                                 }
 975                         }
 976
 977                         if( $conf->SysopName ) {
 978                                 $u = User::newFromName( $conf->getSysopName() );
 979                                 if ( !$u ) {
 980                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
 981                                 }
 982                                 else if ( 0 == $u->idForName() ) {
 983                                         $u->addToDatabase();
 984                                         $u->setPassword( $conf->getSysopPass() );
 985                                         $u->saveSettings();
 986
 987                                         $u->addGroup( "sysop" );
 988                                         $u->addGroup( "bureaucrat" );
 989
 990                                         print "<li>Created sysop account <tt>" .
 991                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
 992                                 } else {
 993                                         print "<li>Could not create user - already exists!</li>\n";
 994                                 }
 995                         } else {
 996                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
 997                         }
 998
 999                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1000                         $article = new Article( $titleobj );
1001                         $newid = $article->insertOn( $wgDatabase );
1002                         $revision = new Revision( array(
1003                                 'page'      => $newid,
1004                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1005                                 'comment'   => '',
1006                                 'user'      => 0,
1007                                 'user_text' => 'MediaWiki default',
1008                                 ) );
1009                         $revid = $revision->insertOn( $wgDatabase );
1010                         $article->updateRevisionOn( $wgDatabase, $revision );
1011                 }
1012
1013                 /* Write out the config file now that all is well */
1014                 print "<li style=\"list-style: none\">\n";
1015                 print "<p>Creating LocalSettings.php...</p>\n\n";
1016                 $localSettings = "<" . "?php$endl$local";
1017                 // Fix up a common line-ending problem (due to CVS on Windows)
1018                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1019                 $f = fopen( "LocalSettings.php", 'xt' );
1020
1021                 if( $f == false ) {
1022                         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" .
1023                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1024                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1025                 }
1026                 if(fwrite( $f, $localSettings ) ) {
1027                         fclose( $f );
1028                         writeSuccessMessage();
1029                 } else {
1030                         fclose( $f );
1031                         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");
1032
1033                 }
1034                 print "</li>\n";
1035
1036         } while( false );
1037 }
1038 ?>
1039 </ul>
1040
1041
1042 <?php
1043
1044 if( count( $errs ) ) {
1045         /* Display options form */
1046
1047         if( $conf->posted ) {
1048                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1049         }
1050 ?>
1051
1052 <form action="index.php" name="config" method="post">
1053
1054
1055 <h2>Site config</h2>
1056
1057 <div class="config-section">
1058         <div class="config-input">
1059                 <?php
1060                 aField( $conf, "Sitename", "Wiki name:" );
1061                 ?>
1062         </div>
1063         <p class="config-desc">
1064                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1065                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1066         </p>
1067
1068         <div class="config-input">
1069                 <?php
1070                 aField( $conf, "EmergencyContact", "Contact e-mail:" );
1071                 ?>
1072         </div>
1073         <p class="config-desc">
1074                 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.
1075         </p>
1076
1077         <div class="config-input">
1078                 <label class='column' for="LanguageCode">Language:</label>
1079                 <select id="LanguageCode" name="LanguageCode">
1080
1081                 <?php
1082                         $list = getLanguageList();
1083                         foreach( $list as $code => $name ) {
1084                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1085                                 echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
1086                         }
1087                 ?>
1088                 </select>
1089         </div>
1090         <p class="config-desc">
1091                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1092         </p>
1093
1094         <div class="config-input">
1095                 <label class='column'>Copyright/license:</label>
1096
1097                 <ul class="plain">
1098                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1099                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
1100                 <li><?php
1101                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1102                         $partner = "MediaWiki";
1103                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/index.php?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1104                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1105                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1106                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1107                         ?>
1108                 <?php if( $conf->License == "cc" ) { ?>
1109                         <ul>
1110                                 <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1111                                 <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1112                                 <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1113                                 <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1114                         </ul>
1115                 <?php } ?>
1116                         </li>
1117                 </ul>
1118         </div>
1119         <p class="config-desc">
1120                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1121         </p>
1122
1123
1124         <div class="config-input">
1125                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1126         </div>
1127         <div class="config-input">
1128                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1129         </div>
1130         <div class="config-input">
1131                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1132         </div>
1133         <p class="config-desc">
1134                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1135                 A new account will be added only when creating a new wiki database.
1136                 <br /><br />
1137                 The password cannot be the same as the username.
1138         </p>
1139
1140         <div class="config-input">
1141                 <label class='column'>Shared memory caching:</label>
1142
1143                 <ul class="plain">
1144                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1145                 <?php
1146                         if ( $conf->turck ) {
1147                                 echo "<li>";
1148                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1149                                 echo "</li>";
1150                         }
1151                         if( $conf->xcache ) {
1152                                 echo( '<li>' );
1153                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1154                                 echo( '</li>' );
1155                         }
1156                         if ( $conf->apc ) {
1157                                 echo "<li>";
1158                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1159                                 echo "</li>";
1160                         }
1161                         if ( $conf->eaccel ) {
1162                                 echo "<li>";
1163                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1164                                 echo "</li>";
1165                         }
1166                 ?>
1167                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1168                 </ul>
1169                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1170         </div>
1171         <p class="config-desc">
1172                 An object caching system such as memcached will provide a significant performance boost,
1173                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1174                 <br /><br />
1175                 MediaWiki can also detect and support eAccelerator, Turck MMCache, APC, and XCache, but
1176                 these should not be used if the wiki will be running on multiple application servers.
1177         </p>
1178 </div>
1179
1180 <h2>E-mail, e-mail notification and authentication setup</h2>
1181
1182 <div class="config-section">
1183         <div class="config-input">
1184                 <label class='column'>E-mail features (global):</label>
1185                 <ul class="plain">
1186                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1187                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1188                 </ul>
1189         </div>
1190         <p class="config-desc">
1191                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1192                 if sending mail doesn't work on your server.
1193         </p>
1194
1195         <div class="config-input">
1196                 <label class='column'>User-to-user e-mail:</label>
1197                 <ul class="plain">
1198                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1199                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1200                 </ul>
1201         </div>
1202         <p class="config-desc">
1203                 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.
1204         </p>
1205         <div class="config-input">
1206                 <label class='column'>E-mail notification about changes:</label>
1207                 <ul class="plain">
1208                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1209                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1210                 <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>
1211                 </ul>
1212         </div>
1213         <div class="config-desc">
1214                 <p>
1215                 For this feature to work, an e-mail address must be present for the user account, and the notification
1216                 options in the user's preferences must be enabled. Also note the
1217                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1218
1219                 <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>
1220         </div>
1221
1222         <div class="config-input">
1223                 <label class='column'>E-mail address authentication:</label>
1224                 <ul class="plain">
1225                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1226                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1227                 </ul>
1228         </div>
1229         <div class="config-desc">
1230                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1231                 change notification mails. Setting this option is <B>recommended</B> for public wikis because of potential abuse of the e-mail features above.</p>
1232         </div>
1233
1234 </div>
1235
1236 <h2>Database config</h2>
1237
1238 <div class="config-section">
1239 <div class="config-input">
1240                 <label class='column'>Database type:</label>
1241 <?php if (isset($errs['DBpicktype'])) print "<span class='error'>$errs[DBpicktype]</span>\n"; ?>
1242                 <ul class='plain'><?php database_picker($conf) ?></ul>
1243         </div>
1244
1245         <div class="config-input" style="clear:left"><?php
1246                 aField( $conf, "DBserver", "Database host:" );
1247         ?></div>
1248         <p class="config-desc">
1249                 If your database server isn't on your web server, enter the name or IP address here.
1250         </p>
1251
1252         <div class="config-input"><?php
1253                 aField( $conf, "DBname", "Database name:" );
1254         ?></div>
1255         <div class="config-input"><?php
1256                 aField( $conf, "DBuser", "DB username:" );
1257         ?></div>
1258         <div class="config-input"><?php
1259                 aField( $conf, "DBpassword", "DB password:", "password" );
1260         ?></div>
1261         <div class="config-input"><?php
1262                 aField( $conf, "DBpassword2", "DB password confirm:", "password" );
1263         ?></div>
1264         <p class="config-desc">
1265                 If you only have a single user account and database available,
1266                 enter those here. If you have database root access (see below)
1267                 you can specify new accounts/databases to be created. This account
1268                 will not be created if it pre-exists. If this is the case, ensure that it
1269                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1270         </p>
1271
1272         <div class="config-input">
1273                 <label class="column">Superuser account:</label>
1274                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?>/>
1275                 &nbsp;<label for="useroot">Use superuser account</label>
1276         </div>
1277         <div class="config-input">
1278                 <?php
1279                 aField( $conf, "RootUser", "Superuser name:", "superuser" );
1280                 ?>
1281         </div>
1282         <div class="config-input">
1283                 <?php
1284                 aField( $conf, "RootPW", "Superuser password:", "password" );
1285                 ?>
1286         </div>
1287
1288         <p class="config-desc">
1289                 If the database user specified above does not exist, or does not have access to create
1290                 the database (if needed) or tables within it, please check the box and provide details
1291                 of a superuser account, such as <strong>root</strong>, which does.
1292         </p>
1293
1294         <?php database_switcher('mysql'); ?>
1295         <div class="config-input"><?php
1296                 aField( $conf, "DBprefix", "Database table prefix:" );
1297         ?></div>
1298         <div class="config-desc">
1299                 <p>If you need to share one database between multiple wikis, or
1300                 between MediaWiki and another web application, you may choose to
1301                 add a prefix to all the table names to avoid conflicts.</p>
1302
1303                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1304         </div>
1305
1306         <div class="config-input"><label class="column">Database charset</label>
1307                 <div>Select one:</div>
1308                 <ul class="plain">
1309                 <li><?php aField( $conf, "DBschema", "Backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1310                 <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1311                 <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1312                 </ul>
1313         </div>
1314         <p class="config-desc">
1315                 <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
1316                 for MySQL 4.1 and 5.0 servers. This is not well tested and may
1317                 cause things to break. <b>If upgrading an older installation, leave
1318                 in backwards-compatible mode.</b>
1319         </p>
1320         </div>
1321
1322         <?php database_switcher('postgres'); ?>
1323         <div class="config-input"><?php
1324                 aField( $conf, "DBport", "Database port:" );
1325         ?></div>
1326         <div class="config-input"><?php
1327                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1328         ?></div>
1329         <div class="config-input"><?php
1330                 aField( $conf, "DBts2schema", "Schema for tsearch2:" );
1331         ?></div>
1332         <div class="config-desc">
1333                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1334                 so it is recommended that you create a new user. The above schemas are generally correct:
1335         only change them if you are sure you need to.</p>
1336         </div>
1337         </div>
1338
1339         <div class="config-input" style="padding:2em 0 3em">
1340                 <label class='column'>&nbsp;</label>
1341                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1342         </div>
1343
1344 </div>
1345
1346 <script type="text/javascript">
1347 window.onload = toggleDBarea('<?php echo $conf->DBtype; ?>',
1348 <?php
1349         ## If they passed in a root user name, don't populate it on page load
1350         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1351 ?>);
1352 </script>
1353
1354 </form>
1355
1356 <?php
1357 }
1358
1359 /* -------------------------------------------------------------------------------------- */
1360 function writeSuccessMessage() {
1361         if ( ini_get( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1362                 echo <<<EOT
1363 <p>Installation successful!</p>
1364 <p>To complete the installation, please do the following:
1365 <ol>
1366         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1367         <li>Upload it to the parent directory</li>
1368         <li>Delete config/LocalSettings.php</li>
1369         <li>Start using <a href='../index.php'>your wiki</a>!
1370 </ol>
1371 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1372 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1373 which means that anyone on the same server can read your database password! Downloading
1374 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1375 EOT;
1376         } else {
1377                 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
1378                         <strong><a href='../index.php'>this link</a></strong> to your wiki.</p>\n";
1379         }
1380 }
1381
1382
1383 function escapePhpString( $string ) {
1384         return strtr( $string,
1385                 array(
1386                         "\n" => "\\n",
1387                         "\r" => "\\r",
1388                         "\t" => "\\t",
1389                         "\\" => "\\\\",
1390                         "\$" => "\\\$",
1391                         "\"" => "\\\""
1392                 ));
1393 }
1394
1395 function writeLocalSettings( $conf ) {
1396         $conf->PasswordSender = $conf->EmergencyContact;
1397         $magic = ($conf->ImageMagick ? "" : "# ");
1398         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1399         $rights = ($conf->RightsUrl) ? "" : "# ";
1400         $hashedUploads = $conf->safeMode ? '' : '# ';
1401
1402         switch ( $conf->Shm ) {
1403                 case 'memcached':
1404                         $cacheType = 'CACHE_MEMCACHED';
1405                         $mcservers = var_export( $conf->MCServerArray, true );
1406                         break;
1407                 case 'turck':
1408                 case 'xcache':
1409                 case 'apc':
1410                 case 'eaccel':
1411                         $cacheType = 'CACHE_ACCEL';
1412                         $mcservers = 'array()';
1413                         break;
1414                 default:
1415                         $cacheType = 'CACHE_NONE';
1416                         $mcservers = 'array()';
1417         }
1418
1419         if ( $conf->Email == 'email_enabled' ) {
1420                 $enableemail = 'true';
1421                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1422                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1423                 switch ( $conf->Enotif ) {
1424                         case 'enotif_usertalk':
1425                                 $enotifusertalk = 'true';
1426                                 $enotifwatchlist = 'false';
1427                                 break;
1428                         case 'enotif_allpages':
1429                                 $enotifusertalk = 'true';
1430                                 $enotifwatchlist = 'true';
1431                                 break;
1432                         default:
1433                                 $enotifusertalk = 'false';
1434                                 $enotifwatchlist = 'false';
1435                 }
1436         } else {
1437                 $enableuseremail = 'false';
1438                 $enableemail = 'false';
1439                 $eauthent = 'false';
1440                 $enotifusertalk = 'false';
1441                 $enotifwatchlist = 'false';
1442         }
1443
1444         $file = @fopen( "/dev/urandom", "r" );
1445         if ( $file ) {
1446                 $secretKey = bin2hex( fread( $file, 32 ) );
1447                 fclose( $file );
1448         } else {
1449                 $secretKey = "";
1450                 for ( $i=0; $i<8; $i++ ) {
1451                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1452                 }
1453                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1454         }
1455
1456         # Add slashes to strings for double quoting
1457         $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
1458         if( $conf->License == 'gfdl' ) {
1459                 # Needs literal string interpolation for the current style path
1460                 $slconf['RightsIcon'] = $conf->RightsIcon;
1461         }
1462
1463         $localsettings = "
1464 # This file was automatically generated by the MediaWiki installer.
1465 # If you make manual changes, please keep track in case you need to
1466 # recreate them later.
1467 #
1468 # See includes/DefaultSettings.php for all configurable settings
1469 # and their default values, but don't forget to make changes in _this_
1470 # file, not there.
1471
1472 # If you customize your file layout, set \$IP to the directory that contains
1473 # the other MediaWiki files. It will be used as a base to locate files.
1474 if( defined( 'MW_INSTALL_PATH' ) ) {
1475         \$IP = MW_INSTALL_PATH;
1476 } else {
1477         \$IP = dirname( __FILE__ );
1478 }
1479
1480 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1481 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1482
1483 require_once( \"includes/DefaultSettings.php\" );
1484
1485 # If PHP's memory limit is very low, some operations may fail.
1486 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1487
1488 if ( \$wgCommandLineMode ) {
1489         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1490                 die( \"This script must be run from the command line\\n\" );
1491         }
1492 }
1493 ## Uncomment this to disable output compression
1494 # \$wgDisableOutputCompression = true;
1495
1496 \$wgSitename         = \"{$slconf['Sitename']}\";
1497
1498 ## The URL base path to the directory containing the wiki;
1499 ## defaults for all runtime URL paths are based off of this.
1500 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1501
1502 ## For more information on customizing the URLs please see:
1503 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1504
1505 \$wgEnableEmail      = $enableemail;
1506 \$wgEnableUserEmail  = $enableuseremail;
1507
1508 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1509 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1510
1511 ## For a detailed description of the following switches see
1512 ## http://meta.wikimedia.org/Enotif and http://meta.wikimedia.org/Eauthent
1513 ## There are many more options for fine tuning available see
1514 ## /includes/DefaultSettings.php
1515 ## UPO means: this is also a user preference option
1516 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1517 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1518 \$wgEmailAuthentication = $eauthent;
1519
1520 \$wgDBtype           = \"{$slconf['DBtype']}\";
1521 \$wgDBserver         = \"{$slconf['DBserver']}\";
1522 \$wgDBname           = \"{$slconf['DBname']}\";
1523 \$wgDBuser           = \"{$slconf['DBuser']}\";
1524 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1525
1526 # MySQL specific settings
1527 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1528
1529 # MySQL table options to use during installation or update
1530 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1531
1532 # Experimental charset support for MySQL 4.1/5.0.
1533 \$wgDBmysql5 = {$conf->DBmysql5};
1534
1535 # Postgres specific settings
1536 \$wgDBport           = \"{$slconf['DBport']}\";
1537 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1538 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";
1539
1540 ## Shared memory settings
1541 \$wgMainCacheType = $cacheType;
1542 \$wgMemCachedServers = $mcservers;
1543
1544 ## To enable image uploads, make sure the 'images' directory
1545 ## is writable, then set this to true:
1546 \$wgEnableUploads       = false;
1547 {$magic}\$wgUseImageMagick = true;
1548 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1549
1550 ## If you want to use image uploads under safe mode,
1551 ## create the directories images/archive, images/thumb and
1552 ## images/temp, and make them all writable. Then uncomment
1553 ## this, if it's not already uncommented:
1554 {$hashedUploads}\$wgHashedUploadDirectory = false;
1555
1556 ## If you have the appropriate support software installed
1557 ## you can enable inline LaTeX equations:
1558 \$wgUseTeX           = false;
1559
1560 \$wgLocalInterwiki   = \$wgSitename;
1561
1562 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1563
1564 \$wgProxyKey = \"$secretKey\";
1565
1566 ## Default skin: you can change the default skin. Use the internal symbolic
1567 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1568 \$wgDefaultSkin = 'monobook';
1569
1570 ## For attaching licensing metadata to pages, and displaying an
1571 ## appropriate copyright notice / icon. GNU Free Documentation
1572 ## License and Creative Commons licenses are supported so far.
1573 {$rights}\$wgEnableCreativeCommonsRdf = true;
1574 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1575 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1576 \$wgRightsText = \"{$slconf['RightsText']}\";
1577 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1578 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1579
1580 \$wgDiff3 = \"{$slconf['diff3']}\";
1581
1582 # When you make changes to this configuration file, this will make
1583 # sure that cached pages are cleared.
1584 \$configdate = gmdate( 'YmdHis', @filemtime( __FILE__ ) );
1585 \$wgCacheEpoch = max( \$wgCacheEpoch, \$configdate );
1586         "; ## End of setting the $localsettings string
1587
1588         // Keep things in Unix line endings internally;
1589         // the system will write out as local text type.
1590         return str_replace( "\r\n", "\n", $localsettings );
1591 }
1592
1593 function dieout( $text ) {
1594         die( $text . "\n\n</body>\n</html>" );
1595 }
1596
1597 function importVar( &$var, $name, $default = "" ) {
1598         if( isset( $var[$name] ) ) {
1599                 $retval = $var[$name];
1600                 if ( get_magic_quotes_gpc() ) {
1601                         $retval = stripslashes( $retval );
1602                 }
1603         } else {
1604                 $retval = $default;
1605         }
1606         return $retval;
1607 }
1608
1609 function importPost( $name, $default = "" ) {
1610         return importVar( $_POST, $name, $default );
1611 }
1612
1613 function importCheck( $name ) {
1614         return isset( $_POST[$name] );
1615 }
1616
1617 function importRequest( $name, $default = "" ) {
1618         return importVar( $_REQUEST, $name, $default );
1619 }
1620
1621 $radioCount = 0;
1622
1623 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
1624         global $radioCount;
1625         if( $type != "" ) {
1626                 $xtype = "type=\"$type\"";
1627         } else {
1628                 $xtype = "";
1629         }
1630
1631         $id = $field;
1632         $nolabel = ($type == "radio") || ($type == "hidden");
1633
1634         if ($type == 'radio')
1635                 $id .= $radioCount++;
1636
1637         if( $nolabel ) {
1638                 echo "\t\t<label>";
1639         } else {
1640                 echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
1641         }
1642
1643         if( $type == "radio" && $value == $conf->$field ) {
1644                 $checked = "checked='checked'";
1645         } else {
1646                 $checked = "";
1647         }
1648         echo "\t\t<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
1649         if ($onclick) {
1650                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
1651         }
1652         echo "value=\"";
1653         if( $type == "radio" ) {
1654                 echo htmlspecialchars( $value );
1655         } else {
1656                 echo htmlspecialchars( $conf->$field );
1657         }
1658
1659
1660         echo "\" />\n";
1661         if( $nolabel ) {
1662                 echo " $text</label>\n";
1663         }
1664
1665         global $errs;
1666         if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
1667 }
1668
1669 function getLanguageList() {
1670         global $wgLanguageNames;
1671         if( !isset( $wgLanguageNames ) ) {
1672                 require_once( "languages/Names.php" );
1673         }
1674
1675         $codes = array();
1676
1677         $d = opendir( "../languages/messages" );
1678         /* In case we are called from the root directory */
1679         if (!$d)
1680                 $d = opendir( "languages/messages");
1681         while( false !== ($f = readdir( $d ) ) ) {
1682                 $m = array();
1683                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
1684                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
1685                         if( isset( $wgLanguageNames[$code] ) ) {
1686                                 $name = $code . ' - ' . $wgLanguageNames[$code];
1687                         } else {
1688                                 $name = $code;
1689                         }
1690                         $codes[$code] = $name;
1691                 }
1692         }
1693         closedir( $d );
1694         ksort( $codes );
1695         return $codes;
1696 }
1697
1698 #Check for location of an executable
1699 # @param string $loc single location to check
1700 # @param array $names filenames to check for.
1701 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
1702 function locate_executable($loc, $names, $versioninfo = false) {
1703         if (!is_array($names))
1704                 $names = array($names);
1705
1706         foreach ($names as $name) {
1707                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
1708                 if (file_exists($command)) {
1709                         if (!$versioninfo)
1710                                 return $command;
1711
1712                         $file = str_replace('$1', $command, $versioninfo[0]);
1713                         if (strstr(`$file`, $versioninfo[1]) !== false)
1714                                 return $command;
1715                 }
1716         }
1717         return false;
1718 }
1719
1720 # Test a memcached server
1721 function testMemcachedServer( $server ) {
1722         $hostport = explode(":", $server);
1723         $errstr = false;
1724         $fp = false;
1725         if ( !function_exists( 'fsockopen' ) ) {
1726                 $errstr = "Can't connect to memcached, fsockopen() not present";
1727         }
1728         if ( !$errstr && count( $hostport ) != 2 ) {
1729                 $errstr = 'Please specify host and port';
1730                 var_dump( $hostport );
1731         }
1732         if ( !$errstr ) {
1733                 list( $host, $port ) = $hostport;
1734                 $errno = 0;
1735                 $fsockerr = '';
1736
1737                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
1738                 if ( $fp === false ) {
1739                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
1740                 }
1741         }
1742         if ( !$errstr ) {
1743                 $command = "version\r\n";
1744                 $bytes = fwrite( $fp, $command );
1745                 if ( $bytes != strlen( $command ) ) {
1746                         $errstr = "Cannot write to memcached socket on $host:$port";
1747                 }
1748         }
1749         if ( !$errstr ) {
1750                 $expected = "VERSION ";
1751                 $response = fread( $fp, strlen( $expected ) );
1752                 if ( $response != $expected ) {
1753                         $errstr = "Didn't get correct memcached response from $host:$port";
1754                 }
1755         }
1756         if ( $fp ) {
1757                 fclose( $fp );
1758         }
1759         if ( !$errstr ) {
1760                 echo "<li>Connected to memcached on $host:$port successfully";
1761         }
1762         return $errstr;
1763 }
1764
1765 function database_picker($conf) {
1766         global $ourdb;
1767         print "\n";
1768         foreach(array_keys($ourdb) as $db) {
1769                 if ($ourdb[$db]['havedriver']) {
1770                         print "<li>";
1771                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
1772                         print "</li>\n";
1773                 }
1774         }
1775         print "\n";
1776 }
1777
1778 function database_switcher($db) {
1779         global $ourdb;
1780         $color = $ourdb[$db]['bgcolor'];
1781         $full = $ourdb[$db]['fullname'];
1782         print "<div id='$db' style='display:none; background: $color'>\n";
1783         print "<h3>$full specific options:</h3>\n";
1784 }
1785
1786 function printListItem( $item ) {
1787         print "<li>$item</li>";
1788 }
1789
1790 ?>
1791
1792         <div class="license">
1793         <hr>
1794         <p>This program is free software; you can redistribute it and/or modify
1795          it under the terms of the GNU General Public License as published by
1796          the Free Software Foundation; either version 2 of the License, or
1797          (at your option) any later version.</p>
1798
1799          <p>This program is distributed in the hope that it will be useful,
1800          but WITHOUT ANY WARRANTY; without even the implied warranty of
1801          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1802          GNU General Public License for more details.</p>
1803
1804          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
1805          along with this program; if not, write to the Free Software
1806          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
1807          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
1808         </div>
1809
1810 </div></div></div>
1811
1812
1813 <div id="column-one">
1814         <div class="portlet" id="p-logo">
1815           <a style="background-image: url(../skins/common/images/mediawiki.png);"
1816             href="http://www.mediawiki.org/"
1817             title="Main Page"></a>
1818         </div>
1819         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
1820         <div class='portlet'><div class='pBody'>
1821                 <ul>
1822                         <li><strong><a href="http://www.mediawiki.org/">MediaWiki home</a></strong></li>
1823                         <li><a href="../README">Readme</a></li>
1824                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
1825                         <li><a href="../docs/">Documentation</a></li>
1826                         <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
1827                         <li><a href="http://meta.wikimedia.org/wiki/MediaWiki_FAQ">FAQ</a></li>
1828                 </ul>
1829                 <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>
1830         </div></div>
1831 </div>
1832
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1835 </body>
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