config/index.php

   1 <?php
   2
   3 # MediaWiki web-based config/installation
   4 # Copyright (C) 2004 Brion Vibber <brion@pobox.com>, 2006 Rob Church <robchur@gmail.com>
   5 # http://www.mediawiki.org/
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with this program; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20 # http://www.gnu.org/copyleft/gpl.html
  21
  22 error_reporting( E_ALL );
  23 header( "Content-type: text/html; charset=utf-8" );
  24 @ini_set( "display_errors", true );
  25
  26 # In case of errors, let output be clean.
  27 $wgRequestTime = microtime( true );
  28
  29 # Attempt to set up the include path, to fix problems with relative includes
  30 $IP = dirname( dirname( __FILE__ ) );
  31 define( 'MW_INSTALL_PATH', $IP );
  32
  33 # Define an entry point and include some files
  34 define( "MEDIAWIKI", true );
  35 define( "MEDIAWIKI_INSTALL", true );
  36
  37 // Run version checks before including other files
  38 // so people don't see a scary parse error.
  39 require_once( "$IP/install-utils.inc" );
  40 install_version_checks();
  41
  42 require_once( "$IP/includes/Defines.php" );
  43 require_once( "$IP/includes/DefaultSettings.php" );
  44 require_once( "$IP/includes/AutoLoader.php" );
  45 require_once( "$IP/includes/MagicWord.php" );
  46 require_once( "$IP/includes/Namespace.php" );
  47 require_once( "$IP/includes/ProfilerStub.php" );
  48 require_once( "$IP/includes/GlobalFunctions.php" );
  49 require_once( "$IP/includes/Hooks.php" );
  50
  51 # If we get an exception, the user needs to know
  52 # all the details
  53 $wgShowExceptionDetails = true;
  54
  55 ## Databases we support:
  56
  57 $ourdb = array();
  58 $ourdb['mysql']['fullname']      = 'MySQL';
  59 $ourdb['mysql']['havedriver']    = 0;
  60 $ourdb['mysql']['compile']       = 'mysql';
  61 $ourdb['mysql']['bgcolor']       = '#ffe5a7';
  62 $ourdb['mysql']['rootuser']      = 'root';
  63
  64 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  65 $ourdb['postgres']['havedriver'] = 0;
  66 $ourdb['postgres']['compile']    = 'pgsql';
  67 $ourdb['postgres']['bgcolor']    = '#aaccff';
  68 $ourdb['postgres']['rootuser']   = 'postgres';
  69
  70 ?>
  71 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  72 <html>
  73 <head>
  74         <meta http-equiv="Content-type" content="text/html; charset=utf-8">
  75         <title>MediaWiki <?php echo( $wgVersion ); ?> Installation</title>
  76         <style type="text/css">
  77
  78                 @import "../skins/monobook/main.css";
  79
  80                 .env-check {
  81                         font-size: 90%;
  82                         margin: 1em 0 1em 2.5em;
  83                 }
  84
  85                 .config-section {
  86                         margin-top: 2em;
  87                 }
  88
  89                 .config-section label.column {
  90                         clear: left;
  91                         font-weight: bold;
  92                         width: 13em;
  93                         float: left;
  94                         text-align: right;
  95                         padding-right: 1em;
  96                         padding-top: .2em;
  97                 }
  98
  99                 .config-input {
 100                         clear: left;
 101                         zoom: 100%; /* IE hack */
 102                 }
 103
 104                 .config-section .config-desc {
 105                         clear: left;
 106                         margin: 0 0 2em 18em;
 107                         padding-top: 1em;
 108                         font-size: 85%;
 109                 }
 110
 111                 .iput-text, .iput-password {
 112                         width: 14em;
 113                         margin-right: 1em;
 114                 }
 115
 116                 .error {
 117                         color: red;
 118                         background-color: #fff;
 119                         font-weight: bold;
 120                         left: 1em;
 121                         font-size: 100%;
 122                 }
 123
 124                 .error-top {
 125                         color: red;
 126                         background-color: #FFF0F0;
 127                         border: 2px solid red;
 128                         font-size: 130%;
 129                         font-weight: bold;
 130                         padding: 1em 1.5em;
 131                         margin: 2em 0 1em;
 132                 }
 133
 134                 ul.plain {
 135                         list-style-type: none;
 136                         list-style-image: none;
 137                         float: left;
 138                         margin: 0;
 139                         padding: 0;
 140                 }
 141
 142                 .btn-install {
 143                         font-weight: bold;
 144                         font-size: 110%;
 145                         padding: .2em .3em;
 146                 }
 147
 148                 .license {
 149                         font-size: 85%;
 150                         padding-top: 3em;
 151                 }
 152
 153                 span.success-message {
 154                         font-weight: bold;
 155                         font-size: 110%;
 156                         color: green;
 157                 }
 158                 .success-box {
 159                         font-size: 130%;
 160                 }
 161
 162         </style>
 163         <script type="text/javascript">
 164         <!--
 165         function hideall() {
 166                 <?php foreach (array_keys($ourdb) as $db) {
 167                 echo "\n                document.getElementById('$db').style.display='none';";
 168                 }
 169                 ?>
 170
 171         }
 172         function toggleDBarea(id,defaultroot) {
 173                 hideall();
 174                 var dbarea = document.getElementById(id).style;
 175                 dbarea.display = (dbarea.display == 'none') ? 'block' : 'none';
 176                 var db = document.getElementById('RootUser');
 177                 if (defaultroot) {
 178 <?php foreach (array_keys($ourdb) as $db) {
 179                         echo "                  if (id == '$db') { db.value = '".$ourdb[$db]['rootuser']."';}\n";
 180 }?>
 181                 }
 182         }
 183         // -->
 184         </script>
 185 </head>
 186
 187 <body>
 188 <div id="globalWrapper">
 189 <div id="column-content">
 190 <div id="content">
 191 <div id="bodyContent">
 192
 193 <h1>MediaWiki <?php print $wgVersion ?> Installation</h1>
 194
 195 <?php
 196
 197 /* Check for existing configurations and bug out! */
 198
 199 if( file_exists( "../LocalSettings.php" ) ) {
 200         $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 201  dieout( "<p><strong>Setup has completed, <a href='../$script'>your wiki</a> is configured.</strong></p>
 202
 203         <p>Please delete the /config directory for extra security.</p></div></div></div></div>" );
 204 }
 205
 206 if( file_exists( "./LocalSettings.php" ) ) {
 207         writeSuccessMessage();
 208
 209         dieout( '' );
 210 }
 211
 212 if( !is_writable( "." ) ) {
 213         dieout( "<h2>Can't write config file, aborting</h2>
 214
 215         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 216         writable by the web server. Once configuration is done you'll move the created
 217         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 218         then remove the <tt>config</tt> subdirectory entirely.</p>
 219
 220         <p>To make the directory writable on a Unix/Linux system:</p>
 221
 222         <pre>
 223         cd <i>/path/to/wiki</i>
 224         chmod a+w config
 225         </pre>
 226
 227         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 228 }
 229
 230
 231 require_once( "$IP/install-utils.inc" );
 232 require_once( "$IP/maintenance/updaters.inc" );
 233
 234 class ConfigData {
 235         function getEncoded( $data ) {
 236                 # removing latin1 support, no need...
 237                 return $data;
 238         }
 239         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 240         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 241         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 242
 243         function setSchema( $schema, $engine ) {
 244                 $this->DBschema = $schema;
 245                 if ( !preg_match( '/^\w*$/', $engine ) ){
 246                         $engine = 'InnoDB';
 247                 }
 248                 switch ( $this->DBschema ) {
 249                         case 'mysql5':
 250                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=utf8";
 251                                 $this->DBmysql5 = 'true';
 252                                 break;
 253                         case 'mysql5-binary':
 254                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=binary";
 255                                 $this->DBmysql5 = 'true';
 256                                 break;
 257                         default:
 258                                 $this->DBTableOptions = "TYPE=$engine";
 259                                 $this->DBmysql5 = 'false';
 260                 }
 261                 $this->DBengine = $engine;
 262
 263                 # Set the global for use during install
 264                 global $wgDBTableOptions;
 265                 $wgDBTableOptions = $this->DBTableOptions;
 266         }
 267 }
 268
 269 ?>
 270
 271 <ul>
 272         <li>
 273                 <b>Don't forget security updates!</b> Keep an eye on the
 274                 <a href="http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 275                 release announcements mailing list</a>.
 276         </li>
 277 </ul>
 278
 279
 280 <h2>Checking environment...</h2>
 281 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 282 <ul class="env-check">
 283 <?php
 284 $endl = "
 285 ";
 286 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 287 $conf = new ConfigData;
 288
 289 install_version_checks();
 290 $self = 'Installer'; # Maintenance script name, to please Setup.php
 291
 292 print "<li>PHP " . phpversion() . " installed</li>\n";
 293
 294 error_reporting( 0 );
 295 $phpdatabases = array();
 296 foreach (array_keys($ourdb) as $db) {
 297         $compname = $ourdb[$db]['compile'];
 298         if( extension_loaded( $compname ) || ( mw_have_dl() && dl( "{$compname}." . PHP_SHLIB_SUFFIX ) ) ) {
 299                 array_push($phpdatabases, $db);
 300                 $ourdb[$db]['havedriver'] = 1;
 301         }
 302 }
 303 error_reporting( E_ALL );
 304
 305 if (!$phpdatabases) {
 306         print "Could not find a suitable database driver!<ul>";
 307         foreach (array_keys($ourdb) AS $db) {
 308                 $comp = $ourdb[$db]['compile'];
 309                 $full = $ourdb[$db]['fullname'];
 310                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 311                         ."or install the $comp.so module</li>\n";
 312         }
 313         dieout( "</ul></ul>" );
 314 }
 315
 316 print "<li>Found database drivers for:";
 317 $DefaultDBtype = '';
 318 foreach (array_keys($ourdb) AS $db) {
 319         if ($ourdb[$db]['havedriver']) {
 320                 if ( $DefaultDBtype == '' ) {
 321                         $DefaultDBtype = $db;
 322                 }
 323                 print "  ".$ourdb[$db]['fullname'];
 324         }
 325 }
 326 print "</li>\n";
 327
 328 if( wfIniGetBool( "register_globals" ) ) {
 329         ?>
 330         <li>
 331                 <div style="font-size:110%">
 332                 <strong class="error">Warning:</strong>
 333                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 334                 </div>
 335                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 336         </li>
 337         <?php
 338 }
 339
 340 $fatal = false;
 341
 342 if( wfIniGetBool( "magic_quotes_runtime" ) ) {
 343         $fatal = true;
 344         ?><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>
 345         This option corrupts data input unpredictably; you cannot install or use
 346         MediaWiki unless this option is disabled.
 347         <?php
 348 }
 349
 350 if( wfIniGetBool( "magic_quotes_sybase" ) ) {
 351         $fatal = true;
 352         ?><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>
 353         This option corrupts data input unpredictably; you cannot install or use
 354         MediaWiki unless this option is disabled.
 355         <?php
 356 }
 357
 358 if( wfIniGetBool( "mbstring.func_overload" ) ) {
 359         $fatal = true;
 360         ?><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>
 361         This option causes errors and may corrupt data unpredictably;
 362         you cannot install or use MediaWiki unless this option is disabled.
 363         <?php
 364 }
 365
 366 if( wfIniGetBool( "zend.ze1_compatibility_mode" ) ) {
 367         $fatal = true;
 368         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 369         This option causes horrible bugs with MediaWiki; you cannot install or use
 370         MediaWiki unless this option is disabled.
 371         <?php
 372 }
 373
 374
 375 if( $fatal ) {
 376         dieout( "</ul><p>Cannot install MediaWiki.</p>" );
 377 }
 378
 379 if( wfIniGetBool( "safe_mode" ) ) {
 380         $conf->safeMode = true;
 381         ?>
 382         <li><b class='error'>Warning:</b> <strong>PHP's
 383         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 384         You may have problems caused by this, particularly if using image uploads.
 385         </li>
 386         <?php
 387 } else {
 388         $conf->safeMode = false;
 389 }
 390
 391 $sapi = php_sapi_name();
 392 print "<li>PHP server API is $sapi; ";
 393 $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 394 if( $wgUsePathInfo ) {
 395  print "ok, using pretty URLs (<tt>$script/Page_Title</tt>)";
 396 } else {
 397         print "using ugly URLs (<tt>$script?title=Page_Title</tt>)";
 398 }
 399 print "</li>\n";
 400
 401 $conf->xml = function_exists( "utf8_encode" );
 402 if( $conf->xml ) {
 403         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 404 } else {
 405         dieout( "PHP's XML module is missing; the wiki requires functions in
 406                 this module and won't work in this configuration.
 407                 If you're running Mandrake, install the php-xml package." );
 408 }
 409
 410 # Check for session support
 411 if( !function_exists( 'session_name' ) )
 412         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 413
 414 # session.save_path doesn't *have* to be set, but if it is, and it's
 415 # not valid/writable/etc. then it can cause problems
 416 $sessionSavePath = mw_get_session_save_path();
 417 $ssp = htmlspecialchars( $sessionSavePath );
 418 # Warn the user if it's not set, but let them proceed
 419 if( !$sessionSavePath ) {
 420         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 421         has not been set in PHP.ini. If the default value causes problems with
 422         saving session data, set it to a valid path which is read/write/execute
 423         for the user your web server is running under.</li>";
 424 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 425         # All good? Let the user know
 426         print "<li>Session save path (<tt>{$ssp}</tt>) appears to be valid.</li>";
 427 } else {
 428         # Something not right? Warn the user, but let them proceed
 429         print "<li><strong>Warning:</strong> Your <tt>session.save_path</tt> value (<tt>{$ssp}</tt>)
 430                 appears to be invalid or is not writable. PHP needs to be able to save data to
 431                 this location for correct session operation.</li>";
 432 }
 433
 434 # Check for PCRE support
 435 if( !function_exists( 'preg_match' ) )
 436         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 437         Perl-compatible regular expression functions." );
 438
 439 $memlimit = ini_get( "memory_limit" );
 440 $conf->raiseMemory = false;
 441 if( empty( $memlimit ) || $memlimit == -1 ) {
 442         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 443 } else {
 444         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". ";
 445         $n = intval( $memlimit );
 446         if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
 447                 $n = intval( $m[1] * (1024*1024) );
 448         }
 449         if( $n < 20*1024*1024 ) {
 450                 print "Attempting to raise limit to 20M... ";
 451                 if( false === ini_set( "memory_limit", "20M" ) ) {
 452                         print "failed.<br /><b>" . htmlspecialchars( $memlimit ) . " seems too low, installation may fail!</b>";
 453                 } else {
 454                         $conf->raiseMemory = true;
 455                         print "ok.";
 456                 }
 457         }
 458         print "</li>\n";
 459 }
 460
 461 $conf->turck = function_exists( 'mmcache_get' );
 462 if ( $conf->turck ) {
 463         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 464 }
 465
 466 $conf->xcache = function_exists( 'xcache_get' );
 467 if( $conf->xcache )
 468         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>";
 469
 470 $conf->apc = function_exists('apc_fetch');
 471 if ($conf->apc ) {
 472         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>";
 473 }
 474
 475 $conf->eaccel = function_exists( 'eaccelerator_get' );
 476 if ( $conf->eaccel ) {
 477         $conf->turck = 'eaccelerator';
 478         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 479 }
 480
 481 $conf->dba = function_exists( 'dba_open' );
 482
 483 if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 484         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 485                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>,
 486                 <a href="http://www.php.net/apc">APC</a> or <a href="http://trac.lighttpd.net/xcache/">XCache</a>;
 487                 cannot use these for object caching.</li>' );
 488 }
 489
 490 $conf->diff3 = false;
 491 $diff3locations = array_merge(
 492         array(
 493                 "/usr/bin",
 494                 "/usr/local/bin",
 495                 "/opt/csw/bin",
 496                 "/usr/gnu/bin",
 497                 "/usr/sfw/bin" ),
 498         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 499 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 500
 501 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 502 foreach ($diff3locations as $loc) {
 503         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 504         if ($exe !== false) {
 505                 $conf->diff3 = $exe;
 506                 break;
 507         }
 508 }
 509
 510 if ($conf->diff3)
 511         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 512 else
 513         print "<li>GNU diff3 not found.</li>";
 514
 515 $conf->ImageMagick = false;
 516 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 517 foreach( $imcheck as $dir ) {
 518         $im = "$dir/convert";
 519         if( @file_exists( $im ) ) {
 520                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 521                 $conf->ImageMagick = $im;
 522                 break;
 523         }
 524 }
 525
 526 $conf->HaveGD = function_exists( "imagejpeg" );
 527 if( $conf->HaveGD ) {
 528         print "<li>Found GD graphics library built-in";
 529         if( !$conf->ImageMagick ) {
 530                 print ", image thumbnailing will be enabled if you enable uploads";
 531         }
 532         print ".</li>\n";
 533 } else {
 534         if( !$conf->ImageMagick ) {
 535                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 536         }
 537 }
 538
 539 $conf->IP = dirname( dirname( __FILE__ ) );
 540 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 541
 542
 543 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 544 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 545 // to get the path to the current script... hopefully it's reliable. SIGH
 546 $path = ($_SERVER["PHP_SELF"] === '')
 547         ? $_SERVER["SCRIPT_NAME"]
 548         : $_SERVER["PHP_SELF"];
 549
 550 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 551 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 552
 553
 554
 555 // We may be installing from *.php5 extension file, if so, print message
 556 $conf->ScriptExtension = '.php';
 557 if (defined('MW_INSTALL_PHP5_EXT')) {
 558     $conf->ScriptExtension = '.php5';
 559     print "<li>Installing MediaWiki with <tt>php5</tt> file extensions</li>\n";
 560 } else {
 561     print "<li>Installing MediaWiki with <tt>php</tt> file extensions</li>\n";
 562 }
 563
 564
 565 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 566         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 567
 568         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 569         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 570                 ? 'root@localhost'
 571                 : $_SERVER["SERVER_ADMIN"];
 572         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 573         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 574 ?>
 575
 576 <?php
 577         $conf->DBserver = importPost( "DBserver", "localhost" );
 578         $conf->DBname = importPost( "DBname", "wikidb" );
 579         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 580         $conf->DBpassword = importPost( "DBpassword" );
 581         $conf->DBpassword2 = importPost( "DBpassword2" );
 582         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 583         $conf->SysopPass = importPost( "SysopPass" );
 584         $conf->SysopPass2 = importPost( "SysopPass2" );
 585         $conf->RootUser = importPost( "RootUser", "root" );
 586         $conf->RootPW = importPost( "RootPW", "" );
 587         $useRoot = importCheck( 'useroot', false );
 588         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 589
 590         ## MySQL specific:
 591         $conf->DBprefix     = importPost( "DBprefix" );
 592         $conf->setSchema(
 593                 importPost( "DBschema", "mysql4" ),
 594                 importPost( "DBengine", "InnoDB" ) );
 595
 596         ## Postgres specific:
 597         $conf->DBport      = importPost( "DBport",      "5432" );
 598         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 599         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 600
 601 /* Check for validity */
 602 $errs = array();
 603
 604 if( preg_match( '/^$|^mediawiki$|#/i', $conf->Sitename ) ) {
 605         $errs["Sitename"] = "Must not be blank or \"MediaWiki\" and may not contain \"#\"";
 606 }
 607 if( $conf->DBuser == "" ) {
 608         $errs["DBuser"] = "Must not be blank";
 609 }
 610 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 611         $errs["DBuser"] = "Username too long";
 612 }
 613 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 614         $errs["DBpassword"] = "Must not be blank";
 615 }
 616 if( $conf->DBpassword != $conf->DBpassword2 ) {
 617         $errs["DBpassword2"] = "Passwords don't match!";
 618 }
 619 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 620         $errs["DBprefix"] = "Invalid table prefix";
 621 }
 622
 623 error_reporting( E_ALL );
 624
 625 /**
 626  * Initialise $wgLang and $wgContLang to something so we can
 627  * call case-folding methods. Per Brion, this is English for
 628  * now, although we could be clever and initialise to the
 629  * user-selected language.
 630  */
 631 $wgContLang = Language::factory( 'en' );
 632 $wgLang = $wgContLang;
 633
 634 /**
 635  * We're messing about with users, so we need a stub
 636  * authentication plugin...
 637  */
 638 $wgAuth = new AuthPlugin();
 639
 640 /**
 641  * Validate the initial administrator account; username,
 642  * password checks, etc.
 643  */
 644 if( $conf->SysopName ) {
 645         # Check that the user can be created
 646         $u = User::newFromName( $conf->SysopName );
 647         if( is_a($u, 'User') ) { // please do not use instanceof, it breaks PHP4
 648                 # Various password checks
 649                 if( $conf->SysopPass != '' ) {
 650                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 651                                 if( !$u->isValidPassword( $conf->SysopPass ) ) {
 652                                         $errs['SysopPass'] = "Bad password";
 653                                 }
 654                         } else {
 655                                 $errs['SysopPass2'] = "Passwords don't match";
 656                         }
 657                 } else {
 658                         $errs['SysopPass'] = "Cannot be blank";
 659                 }
 660                 unset( $u );
 661         } else {
 662                 $errs['SysopName'] = "Bad username";
 663         }
 664 }
 665
 666 $conf->License = importRequest( "License", "none" );
 667 if( $conf->License == "gfdl" ) {
 668         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 669         $conf->RightsText = "GNU Free Documentation License 1.2";
 670         $conf->RightsCode = "gfdl";
 671         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 672 } elseif( $conf->License == "none" ) {
 673         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 674 } else {
 675         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 676         $conf->RightsText = importRequest( "RightsText", "" );
 677         $conf->RightsCode = importRequest( "RightsCode", "" );
 678         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 679 }
 680
 681 $conf->Shm = importRequest( "Shm", "none" );
 682 $conf->MCServers = importRequest( "MCServers" );
 683
 684 /* Test memcached servers */
 685
 686 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 687         $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
 688         foreach ( $conf->MCServerArray as $server ) {
 689                 $error = testMemcachedServer( $server );
 690                 if ( $error ) {
 691                         $errs["MCServers"] = $error;
 692                         break;
 693                 }
 694         }
 695 } else if ( $conf->Shm == 'memcached' ) {
 696         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 697 }
 698
 699 /* default values for installation */
 700 $conf->Email     = importRequest("Email", "email_enabled");
 701 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 702 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 703 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 704
 705 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 706         do { /* So we can 'continue' to end prematurely */
 707                 $conf->Root = ($conf->RootPW != "");
 708
 709                 /* Load up the settings and get installin' */
 710                 $local = writeLocalSettings( $conf );
 711                 echo "<li style=\"list-style: none\">\n";
 712                 echo "<p><b>Generating configuration file...</b></p>\n";
 713                 echo "</li>\n";
 714
 715                 $wgCommandLineMode = false;
 716                 chdir( ".." );
 717                 $ok = eval( $local );
 718                 if( $ok === false ) {
 719                         dieout( "Errors in generated configuration; " .
 720                                 "most likely due to a bug in the installer... " .
 721                                 "Config file was: " .
 722                                 "<pre>" .
 723                                 htmlspecialchars( $local ) .
 724                                 "</pre>" .
 725                                 "</ul>" );
 726                 }
 727                 $conf->DBtypename = '';
 728                 foreach (array_keys($ourdb) as $db) {
 729                         if ($conf->DBtype === $db)
 730                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 731                 }
 732                 if ( ! strlen($conf->DBtype)) {
 733                         $errs["DBpicktype"] = "Please choose a database type";
 734                         continue;
 735                 }
 736
 737                 if (! $conf->DBtypename) {
 738                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 739                         continue;
 740                 }
 741                 print "<li>Database type: {$conf->DBtypename}</li>\n";
 742                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 743                 $wgDBtype = $conf->DBtype;
 744                 $wgDBadminuser = "root";
 745                 $wgDBadminpassword = $conf->RootPW;
 746
 747                 ## Mysql specific:
 748                 $wgDBprefix = $conf->DBprefix;
 749
 750                 ## Postgres specific:
 751                 $wgDBport      = $conf->DBport;
 752                 $wgDBmwschema  = $conf->DBmwschema;
 753                 $wgDBts2schema = $conf->DBts2schema;
 754
 755                 $wgCommandLineMode = true;
 756                 if (! defined ( 'STDERR' ) )
 757                         define( STDERR, fopen("php://stderr", "wb"));
 758                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 759                 require_once( "$IP/includes/Setup.php" );
 760                 chdir( "config" );
 761
 762                 $wgTitle = Title::newFromText( "Installation script" );
 763                 error_reporting( E_ALL );
 764                 print "<li>Loading class: $dbclass";
 765                 $dbc = new $dbclass;
 766
 767                 if( $conf->DBtype == 'mysql' ) {
 768                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 769                         if( $mysqlOldClient ) {
 770                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 771                                         using a MySQL 4.1 server and have problems connecting to the database,
 772                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 773                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 774                         }
 775                         $ok = true; # Let's be optimistic
 776
 777                         # Decide if we're going to use the superuser or the regular database user
 778                         $conf->Root = $useRoot;
 779                         if( $conf->Root ) {
 780                                 $db_user = $conf->RootUser;
 781                                 $db_pass = $conf->RootPW;
 782                         } else {
 783                                 $db_user = $wgDBuser;
 784                                 $db_pass = $wgDBpassword;
 785                         }
 786
 787                         # Attempt to connect
 788                         echo( "<li>Attempting to connect to database server as $db_user..." );
 789                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 790
 791                         # Check the connection and respond to errors
 792                         if( $wgDatabase->isOpen() ) {
 793                                 # Seems OK
 794                                 $ok = true;
 795                                 $wgDBadminuser = $db_user;
 796                                 $wgDBadminpassword = $db_pass;
 797                                 echo( "success.</li>\n" );
 798                                 $wgDatabase->ignoreErrors( true );
 799                                 $myver = $wgDatabase->getServerVersion();
 800                         } else {
 801                                 # There were errors, report them and back out
 802                                 $ok = false;
 803                                 $errno = mysql_errno();
 804                                 $errtx = htmlspecialchars( mysql_error() );
 805                                 switch( $errno ) {
 806                                         case 1045:
 807                                         case 2000:
 808                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 809                                                 if( $conf->Root ) {
 810                                                         # The superuser details are wrong
 811                                                         $errs["RootUser"] = "Check username";
 812                                                         $errs["RootPW"] = "and password";
 813                                                 } else {
 814                                                         # The regular user details are wrong
 815                                                         $errs["DBuser"] = "Check username";
 816                                                         $errs["DBpassword"] = "and password";
 817                                                 }
 818                                                 break;
 819                                         case 2002:
 820                                         case 2003:
 821                                         default:
 822                                                 # General connection problem
 823                                                 echo( "failed with error [$errno] $errtx.</li>\n" );
 824                                                 $errs["DBserver"] = "Connection failed";
 825                                                 break;
 826                                 } # switch
 827                         } #conn. att.
 828
 829                         if( !$ok ) { continue; }
 830
 831                 } else /* not mysql */ {
 832                         error_reporting( E_ALL );
 833                         $wgSuperUser = '';
 834                         ## Possible connect as a superuser
 835                         if( $useRoot ) {
 836                                 $wgDBsuperuser = $conf->RootUser;
 837                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"$wgDBsuperuser\"..." );
 838                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
 839                                 if (!$wgDatabase->isOpen()) {
 840                                         print " error: " . $wgDatabase->lastError() . "</li>\n";
 841                                         $errs["DBserver"] = "Could not connect to database as superuser";
 842                                         $errs["RootUser"] = "Check username";
 843                                         $errs["RootPW"] = "and password";
 844                                         continue;
 845                                 }
 846                                 $wgDatabase->initial_setup($conf->RootPW, 'postgres');
 847                         }
 848                         echo( "<li>Attempting to connect to database \"$wgDBname\" as \"$wgDBuser\"..." );
 849                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
 850                         if (!$wgDatabase->isOpen()) {
 851                                 print " error: " . $wgDatabase->lastError() . "</li>\n";
 852                         } else {
 853                                 $myver = $wgDatabase->getServerVersion();
 854                         }
 855                         $wgDatabase->initial_setup('', $wgDBname);
 856                 }
 857
 858                 if ( !$wgDatabase->isOpen() ) {
 859                         $errs["DBserver"] = "Couldn't connect to database";
 860                         continue;
 861                 }
 862
 863                 print "<li>Connected to $myver";
 864                 if ($conf->DBtype == 'mysql') {
 865                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
 866                                 dieout( " -- mysql 4.0.14 or later required. Aborting." );
 867                         }
 868                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
 869                         if( $mysqlNewAuth && $mysqlOldClient ) {
 870                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
 871                                         to old client libraries; if you have trouble with authentication, see
 872                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 873                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
 874                         }
 875                         if( $wgDBmysql5 ) {
 876                                 if( $mysqlNewAuth ) {
 877                                         print "; enabling MySQL 4.1/5.0 charset mode";
 878                                 } else {
 879                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
 880                                                 but older version detected; will likely fail.</b>";
 881                                 }
 882                         }
 883                         print "</li>\n";
 884
 885                         @$sel = $wgDatabase->selectDB( $wgDBname );
 886                         if( $sel ) {
 887                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
 888                         } else {
 889                                 $err = mysql_errno();
 890                                 $databaseSafe = htmlspecialchars( $wgDBname );
 891                                 if( $err == 1102 /* Invalid database name */ ) {
 892                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
 893                                         continue;
 894                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
 895                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
 896                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
 897                                         continue;
 898                                 }
 899                                 print "<li>Attempting to create database...</li>";
 900                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
 901                                 if( !$res ) {
 902                                         print "<li>Couldn't create database <tt>" .
 903                                                 htmlspecialchars( $wgDBname ) .
 904                                                 "</tt>; try with root access or check your username/pass.</li>\n";
 905                                         $errs["RootPW"] = "&lt;- Enter";
 906                                         continue;
 907                                 }
 908                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
 909                         }
 910                         $wgDatabase->selectDB( $wgDBname );
 911                 }
 912                 else if ($conf->DBtype == 'postgres') {
 913                         if( version_compare( $myver, "PostgreSQL 8.0" ) < 0 ) {
 914                                 dieout( " <b>Postgres 8.0 or later is required</b>. Aborting.</li></ul>" );
 915                         }
 916                 }
 917
 918                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
 919                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
 920
 921                         if ( $conf->DBtype == 'mysql') {
 922                                 # Determine existing default character set
 923                                 if ( $wgDatabase->tableExists( "revision" ) ) {
 924                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
 925                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
 926                                         $row = $wgDatabase->fetchObject( $res );
 927                                         if ( !$row ) {
 928                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
 929                                                 $existingSchema = false;
 930                                                 $existingEngine = false;
 931                                         } else {
 932                                                 if ( preg_match( '/^latin1/', $row->Collation ) ) {
 933                                                         $existingSchema = 'mysql4';
 934                                                 } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
 935                                                         $existingSchema = 'mysql5';
 936                                                 } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
 937                                                         $existingSchema = 'mysql5-binary';
 938                                                 } else {
 939                                                         $existingSchema = false;
 940                                                         echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
 941                                                 }
 942                                                 if ( isset( $row->Engine ) ) {
 943                                                         $existingEngine = $row->Engine;
 944                                                 } else {
 945                                                         $existingEngine = $row->Type;
 946                                                 }
 947                                         }
 948                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
 949                                                 print "<li><strong>Warning:</strong> you requested the {$conf->DBschema} schema, " .
 950                                                         "but the existing database has the $existingSchema schema. This upgrade script ".
 951                                                         "can't convert it, so it will remain $existingSchema.</li>\n";
 952                                                 $conf->setSchema( $existingSchema, $conf->DBengine );
 953                                         }
 954                                         if ( $existingEngine && $existingEngine != $conf->DBengine ) {
 955                                                 print "<li><strong>Warning:</strong> you requested the {$conf->DBengine} storage " .
 956                                                         "engine, but the existing database uses the $existingEngine engine. This upgrade " .
 957                                                         "script can't convert it, so it will remain $existingEngine.</li>\n";
 958                                                 $conf->setSchema( $conf->DBschema, $existingEngine );
 959                                         }
 960                                 }
 961
 962                                 # Create user if required
 963                                 if ( $conf->Root ) {
 964                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 965                                         if ( $conn->isOpen() ) {
 966                                                 print "<li>DB user account ok</li>\n";
 967                                                 $conn->close();
 968                                         } else {
 969                                                 print "<li>Granting user permissions...";
 970                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
 971                                                         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>";
 972                                                 }
 973                                                 print "</li>\n";
 974                                                 dbsource( "../maintenance/users.sql", $wgDatabase );
 975                                         }
 976                                 }
 977                         }
 978                         print "</ul><pre>\n";
 979                         chdir( ".." );
 980                         flush();
 981                         do_all_updates();
 982                         chdir( "config" );
 983                         print "</pre>\n";
 984                         print "<ul><li>Finished update checks.</li>\n";
 985                 } else {
 986                         # Determine available storage engines if possible
 987                         if ( $conf->DBtype == 'mysql' && version_compare( $myver, "4.1.2", "ge" ) ) {
 988                                 $res = $wgDatabase->query( 'SHOW ENGINES' );
 989                                 $found = false;
 990                                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 991                                         if ( $row->Engine == $conf->DBengine ) {
 992                                                 $found = true;
 993                                                 break;
 994                                         }
 995                                 }
 996                                 $wgDatabase->freeResult( $res );
 997                                 if ( !$found && $conf->DBengine != 'MyISAM' ) {
 998                                         echo "<li><strong>Warning:</strong> {$conf->DBengine} storage engine not available, " .
 999                                                 "using MyISAM instead</li>\n";
1000                                         $conf->setSchema( $conf->DBschema, 'MyISAM' );
1001                                 }
1002                         }
1003
1004                         # FIXME: Check for errors
1005                         print "<li>Creating tables...";
1006                         if ($conf->DBtype == 'mysql') {
1007                                 dbsource( "../maintenance/tables.sql", $wgDatabase );
1008                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
1009                         } else if ($conf->DBtype == 'postgres') {
1010                                 $wgDatabase->setup_database();
1011                         }
1012                         else {
1013                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
1014                                 continue;
1015                         }
1016
1017                         print " done.</li>\n";
1018
1019                         print "<li>Initializing statistics...</li>\n";
1020                         $wgDatabase->insert( 'site_stats',
1021                                 array ( 'ss_row_id'        => 1,
1022                                                 'ss_total_views'   => 0,
1023                                                 'ss_total_edits'   => 1, # Main page first edit
1024                                                 'ss_good_articles' => 0, # Main page is not a good article - no internal link
1025                                                 'ss_total_pages'   => 1, # Main page
1026                                                 'ss_users'         => $conf->SysopName ? 1 : 0, # Sysop account, if created
1027                                                 'ss_admins'        => $conf->SysopName ? 1 : 0, # Sysop account, if created
1028                                                 'ss_images'        => 0 ) );
1029
1030                         # Set up the "regular user" account *if we can, and if we need to*
1031                         if( $conf->Root and $conf->DBtype == 'mysql') {
1032                                 # See if we need to
1033                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1034                                 if( $wgDatabase2->isOpen() ) {
1035                                         # Nope, just close the test connection and continue
1036                                         $wgDatabase2->close();
1037                                         echo( "<li>User $wgDBuser exists. Skipping grants.</li>\n" );
1038                                 } else {
1039                                         # Yes, so run the grants
1040                                         echo( "<li>Granting user permissions to $wgDBuser on $wgDBname..." );
1041                                         dbsource( "../maintenance/users.sql", $wgDatabase );
1042                                         echo( "success.</li>\n" );
1043                                 }
1044                         }
1045
1046                         if( $conf->SysopName ) {
1047                                 $u = User::newFromName( $conf->getSysopName() );
1048                                 if ( !$u ) {
1049                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
1050                                 }
1051                                 else if ( 0 == $u->idForName() ) {
1052                                         $u->addToDatabase();
1053                                         $u->setPassword( $conf->getSysopPass() );
1054                                         $u->saveSettings();
1055
1056                                         $u->addGroup( "sysop" );
1057                                         $u->addGroup( "bureaucrat" );
1058
1059                                         print "<li>Created sysop account <tt>" .
1060                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
1061                                 } else {
1062                                         print "<li>Could not create user - already exists!</li>\n";
1063                                 }
1064                         } else {
1065                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
1066                         }
1067
1068                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1069                         $article = new Article( $titleobj );
1070                         $newid = $article->insertOn( $wgDatabase );
1071                         $revision = new Revision( array(
1072                                 'page'      => $newid,
1073                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1074                                 'comment'   => '',
1075                                 'user'      => 0,
1076                                 'user_text' => 'MediaWiki default',
1077                                 ) );
1078                         $revid = $revision->insertOn( $wgDatabase );
1079                         $article->updateRevisionOn( $wgDatabase, $revision );
1080                 }
1081
1082                 /* Write out the config file now that all is well */
1083                 print "<li style=\"list-style: none\">\n";
1084                 print "<p>Creating LocalSettings.php...</p>\n\n";
1085                 $localSettings = "<" . "?php$endl$local";
1086                 // Fix up a common line-ending problem (due to CVS on Windows)
1087                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1088                 $f = fopen( "LocalSettings.php", 'xt' );
1089
1090                 if( $f == false ) {
1091                         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" .
1092                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1093                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1094                 }
1095                 if(fwrite( $f, $localSettings ) ) {
1096                         fclose( $f );
1097                         print "</li></ul><hr/>\n";
1098                         writeSuccessMessage();
1099                 } else {
1100                         fclose( $f );
1101                         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");
1102                         print "</li></ul>\n";
1103                 }
1104
1105         } while( false );
1106 }
1107 ?>
1108 </ul>
1109
1110
1111 <?php
1112
1113 if( count( $errs ) ) {
1114         /* Display options form */
1115
1116         if( $conf->posted ) {
1117                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1118         }
1119 ?>
1120
1121 <form action="<?php echo defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php'; ?>" name="config" method="post">
1122
1123
1124 <h2>Site config</h2>
1125
1126 <div class="config-section">
1127         <div class="config-input">
1128                 <?php
1129                 aField( $conf, "Sitename", "Wiki name:" );
1130                 ?>
1131         </div>
1132         <p class="config-desc">
1133                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1134                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1135         </p>
1136
1137         <div class="config-input">
1138                 <?php
1139                 aField( $conf, "EmergencyContact", "Contact e-mail:" );
1140                 ?>
1141         </div>
1142         <p class="config-desc">
1143                 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.
1144         </p>
1145
1146         <div class="config-input">
1147                 <label class='column' for="LanguageCode">Language:</label>
1148                 <select id="LanguageCode" name="LanguageCode">
1149
1150                 <?php
1151                         $list = getLanguageList();
1152                         foreach( $list as $code => $name ) {
1153                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1154                                 echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
1155                         }
1156                 ?>
1157                 </select>
1158         </div>
1159         <p class="config-desc">
1160                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1161         </p>
1162
1163         <div class="config-input">
1164                 <label class='column'>Copyright/license:</label>
1165
1166                 <ul class="plain">
1167                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1168                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
1169                 <li><?php
1170                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1171                         $partner = "MediaWiki";
1172    $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1173                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/$script?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1174                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1175                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1176                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1177                         ?>
1178                 <?php if( $conf->License == "cc" ) { ?>
1179                         <ul>
1180                                 <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1181                                 <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1182                                 <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1183                                 <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1184                         </ul>
1185                 <?php } ?>
1186                         </li>
1187                 </ul>
1188         </div>
1189         <p class="config-desc">
1190                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1191         </p>
1192
1193
1194         <div class="config-input">
1195                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1196         </div>
1197         <div class="config-input">
1198                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1199         </div>
1200         <div class="config-input">
1201                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1202         </div>
1203         <p class="config-desc">
1204                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1205                 A new account will be added only when creating a new wiki database.
1206                 <br /><br />
1207                 The password cannot be the same as the username.
1208         </p>
1209
1210         <div class="config-input">
1211                 <label class='column'>Object caching:</label>
1212
1213                 <ul class="plain">
1214                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1215                 <?php
1216                         if ( $conf->turck ) {
1217                                 echo "<li>";
1218                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1219                                 echo "</li>";
1220                         }
1221                         if( $conf->xcache ) {
1222                                 echo( '<li>' );
1223                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1224                                 echo( '</li>' );
1225                         }
1226                         if ( $conf->apc ) {
1227                                 echo "<li>";
1228                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1229                                 echo "</li>";
1230                         }
1231                         if ( $conf->eaccel ) {
1232                                 echo "<li>";
1233                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1234                                 echo "</li>";
1235                         }
1236                         if ( $conf->dba ) {
1237                                 echo "<li>";
1238                                 aField( $conf, "Shm", "DBA (not recommended)", "radio", "dba" );
1239                                 echo "</li>";
1240                         }
1241                 ?>
1242                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1243                 </ul>
1244                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1245         </div>
1246         <p class="config-desc">
1247                 An object caching system such as memcached will provide a significant performance boost,
1248                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1249                 <br /><br />
1250                 MediaWiki can also detect and support eAccelerator, Turck MMCache, APC, and XCache, but
1251                 these should not be used if the wiki will be running on multiple application servers.
1252                 <br/><br/>
1253                 DBA (Berkeley-style DB) is generally slower than using no cache at all, and is only
1254                 recommended for testing.
1255         </p>
1256 </div>
1257
1258 <h2>E-mail, e-mail notification and authentication setup</h2>
1259
1260 <div class="config-section">
1261         <div class="config-input">
1262                 <label class='column'>E-mail features (global):</label>
1263                 <ul class="plain">
1264                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1265                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1266                 </ul>
1267         </div>
1268         <p class="config-desc">
1269                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1270                 if sending mail doesn't work on your server.
1271         </p>
1272
1273         <div class="config-input">
1274                 <label class='column'>User-to-user e-mail:</label>
1275                 <ul class="plain">
1276                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1277                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1278                 </ul>
1279         </div>
1280         <p class="config-desc">
1281                 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.
1282         </p>
1283         <div class="config-input">
1284                 <label class='column'>E-mail notification about changes:</label>
1285                 <ul class="plain">
1286                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1287                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1288                 <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>
1289                 </ul>
1290         </div>
1291         <div class="config-desc">
1292                 <p>
1293                 For this feature to work, an e-mail address must be present for the user account, and the notification
1294                 options in the user's preferences must be enabled. Also note the
1295                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1296
1297                 <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>
1298         </div>
1299
1300         <div class="config-input">
1301                 <label class='column'>E-mail address authentication:</label>
1302                 <ul class="plain">
1303                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1304                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1305                 </ul>
1306         </div>
1307         <div class="config-desc">
1308                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1309                 change notification mails. Setting this option is <B>recommended</B> for public wikis because of potential abuse of the e-mail features above.</p>
1310         </div>
1311
1312 </div>
1313
1314 <h2>Database config</h2>
1315
1316 <div class="config-section">
1317 <div class="config-input">
1318                 <label class='column'>Database type:</label>
1319 <?php if (isset($errs['DBpicktype'])) print "<span class='error'>$errs[DBpicktype]</span>\n"; ?>
1320                 <ul class='plain'><?php database_picker($conf) ?></ul>
1321         </div>
1322
1323         <div class="config-input" style="clear:left"><?php
1324                 aField( $conf, "DBserver", "Database host:" );
1325         ?></div>
1326         <p class="config-desc">
1327                 If your database server isn't on your web server, enter the name or IP address here.
1328         </p>
1329
1330         <div class="config-input"><?php
1331                 aField( $conf, "DBname", "Database name:" );
1332         ?></div>
1333         <div class="config-input"><?php
1334                 aField( $conf, "DBuser", "DB username:" );
1335         ?></div>
1336         <div class="config-input"><?php
1337                 aField( $conf, "DBpassword", "DB password:", "password" );
1338         ?></div>
1339         <div class="config-input"><?php
1340                 aField( $conf, "DBpassword2", "DB password confirm:", "password" );
1341         ?></div>
1342         <p class="config-desc">
1343                 If you only have a single user account and database available,
1344                 enter those here. If you have database root access (see below)
1345                 you can specify new accounts/databases to be created. This account
1346                 will not be created if it pre-exists. If this is the case, ensure that it
1347                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1348         </p>
1349
1350         <div class="config-input">
1351                 <label class="column">Superuser account:</label>
1352                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?>/>
1353                 &nbsp;<label for="useroot">Use superuser account</label>
1354         </div>
1355         <div class="config-input">
1356                 <?php
1357                 aField( $conf, "RootUser", "Superuser name:", "superuser" );
1358                 ?>
1359         </div>
1360         <div class="config-input">
1361                 <?php
1362                 aField( $conf, "RootPW", "Superuser password:", "password" );
1363                 ?>
1364         </div>
1365
1366         <p class="config-desc">
1367                 If the database user specified above does not exist, or does not have access to create
1368                 the database (if needed) or tables within it, please check the box and provide details
1369                 of a superuser account, such as <strong>root</strong>, which does.
1370         </p>
1371
1372         <?php database_switcher('mysql'); ?>
1373         <div class="config-input"><?php
1374                 aField( $conf, "DBprefix", "Database table prefix:" );
1375         ?></div>
1376         <div class="config-desc">
1377                 <p>If you need to share one database between multiple wikis, or
1378                 between MediaWiki and another web application, you may choose to
1379                 add a prefix to all the table names to avoid conflicts.</p>
1380
1381                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1382         </div>
1383
1384         <div class="config-input"><label class="column">Storage Engine</label>
1385                 <div>Select one:</div>
1386                 <ul class="plain">
1387                 <li><?php aField( $conf, "DBengine", "InnoDB", "radio", "InnoDB" ); ?></li>
1388                 <li><?php aField( $conf, "DBengine", "MyISAM", "radio", "MyISAM" ); ?></li>
1389                 </ul>
1390         </div>
1391         <p class="config-desc">
1392                 InnoDB is best for public web installations, since it has good concurrency
1393                 support. MyISAM may be faster in single-user installations. MyISAM databases
1394                 tend to get corrupted more often than InnoDB databases.
1395         </p>
1396         <div class="config-input"><label class="column">Database character set</label>
1397                 <div>Select one:</div>
1398                 <ul class="plain">
1399                 <li><?php aField( $conf, "DBschema", "Backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1400                 <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1401                 <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1402                 </ul>
1403         </div>
1404         <p class="config-desc">
1405                 <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
1406                 for MySQL 4.1 and 5.0 servers. This is not well tested and may
1407                 cause things to break. <b>If upgrading an older installation, leave
1408                 in backwards-compatible mode.</b>
1409         </p>
1410         </div>
1411
1412         <?php database_switcher('postgres'); ?>
1413         <div class="config-input"><?php
1414                 aField( $conf, "DBport", "Database port:" );
1415         ?></div>
1416         <div class="config-input"><?php
1417                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1418         ?></div>
1419         <div class="config-input"><?php
1420                 aField( $conf, "DBts2schema", "Schema for tsearch2:" );
1421         ?></div>
1422         <div class="config-desc">
1423                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1424                 so it is recommended that you create a new user. The above schemas are generally correct:
1425         only change them if you are sure you need to.</p>
1426         </div>
1427         </fieldset>
1428
1429         <div class="config-input" style="padding:2em 0 3em">
1430                 <label class='column'>&nbsp;</label>
1431                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1432         </div>
1433
1434 </div>
1435
1436 <script type="text/javascript">
1437 window.onload = toggleDBarea('<?php echo $conf->DBtype; ?>',
1438 <?php
1439         ## If they passed in a root user name, don't populate it on page load
1440         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1441 ?>);
1442 </script>
1443
1444 </form>
1445
1446 <?php
1447 }
1448
1449 /* -------------------------------------------------------------------------------------- */
1450 function writeSuccessMessage() {
1451  $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1452         if ( wfIniGetBool( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1453                 echo <<<EOT
1454 <div class="success-box">
1455 <p>Installation successful!</p>
1456 <p>To complete the installation, please do the following:
1457 <ol>
1458         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1459         <li>Upload it to the parent directory</li>
1460         <li>Delete config/LocalSettings.php</li>
1461         <li>Start using <a href='../$script'>your wiki</a>!
1462 </ol>
1463 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1464 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1465 which means that anyone on the same server can read your database password! Downloading
1466 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1467 </div>
1468 EOT;
1469         } else {
1470                 echo <<<EOT
1471 <div class="success-box">
1472 <p>
1473 <span class="success-message">Installation successful!</span>
1474 Move the <tt>config/LocalSettings.php</tt> file to the parent directory, then follow
1475 <a href="../$script"> this link</a> to your wiki.</p>
1476 <p>You should change file permissions for <tt>LocalSettings.php</tt> as required to
1477 prevent other users on the server reading passwords and altering configuration data.</p>
1478 </div>
1479 EOT;
1480         }
1481 }
1482
1483
1484 function escapePhpString( $string ) {
1485         if ( is_array( $string ) || is_object( $string ) ) {
1486                 return false;
1487         }
1488         return strtr( $string,
1489                 array(
1490                         "\n" => "\\n",
1491                         "\r" => "\\r",
1492                         "\t" => "\\t",
1493                         "\\" => "\\\\",
1494                         "\$" => "\\\$",
1495                         "\"" => "\\\""
1496                 ));
1497 }
1498
1499 function writeLocalSettings( $conf ) {
1500         $conf->PasswordSender = $conf->EmergencyContact;
1501         $magic = ($conf->ImageMagick ? "" : "# ");
1502         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1503         $rights = ($conf->RightsUrl) ? "" : "# ";
1504         $hashedUploads = $conf->safeMode ? '' : '# ';
1505
1506         switch ( $conf->Shm ) {
1507                 case 'memcached':
1508                         $cacheType = 'CACHE_MEMCACHED';
1509                         $mcservers = var_export( $conf->MCServerArray, true );
1510                         break;
1511                 case 'turck':
1512                 case 'xcache':
1513                 case 'apc':
1514                 case 'eaccel':
1515                         $cacheType = 'CACHE_ACCEL';
1516                         $mcservers = 'array()';
1517                         break;
1518                 case 'dba':
1519                         $cacheType = 'CACHE_DBA';
1520                         $mcservers = 'array()';
1521                         break;
1522                 default:
1523                         $cacheType = 'CACHE_NONE';
1524                         $mcservers = 'array()';
1525         }
1526
1527         if ( $conf->Email == 'email_enabled' ) {
1528                 $enableemail = 'true';
1529                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1530                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1531                 switch ( $conf->Enotif ) {
1532                         case 'enotif_usertalk':
1533                                 $enotifusertalk = 'true';
1534                                 $enotifwatchlist = 'false';
1535                                 break;
1536                         case 'enotif_allpages':
1537                                 $enotifusertalk = 'true';
1538                                 $enotifwatchlist = 'true';
1539                                 break;
1540                         default:
1541                                 $enotifusertalk = 'false';
1542                                 $enotifwatchlist = 'false';
1543                 }
1544         } else {
1545                 $enableuseremail = 'false';
1546                 $enableemail = 'false';
1547                 $eauthent = 'false';
1548                 $enotifusertalk = 'false';
1549                 $enotifwatchlist = 'false';
1550         }
1551
1552         $file = @fopen( "/dev/urandom", "r" );
1553         if ( $file ) {
1554                 $secretKey = bin2hex( fread( $file, 32 ) );
1555                 fclose( $file );
1556         } else {
1557                 $secretKey = "";
1558                 for ( $i=0; $i<8; $i++ ) {
1559                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1560                 }
1561                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1562         }
1563
1564         # Add slashes to strings for double quoting
1565         $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
1566         if( $conf->License == 'gfdl' ) {
1567                 # Needs literal string interpolation for the current style path
1568                 $slconf['RightsIcon'] = $conf->RightsIcon;
1569         }
1570
1571         $localsettings = "
1572 # This file was automatically generated by the MediaWiki installer.
1573 # If you make manual changes, please keep track in case you need to
1574 # recreate them later.
1575 #
1576 # See includes/DefaultSettings.php for all configurable settings
1577 # and their default values, but don't forget to make changes in _this_
1578 # file, not there.
1579
1580 # If you customize your file layout, set \$IP to the directory that contains
1581 # the other MediaWiki files. It will be used as a base to locate files.
1582 if( defined( 'MW_INSTALL_PATH' ) ) {
1583         \$IP = MW_INSTALL_PATH;
1584 } else {
1585         \$IP = dirname( __FILE__ );
1586 }
1587
1588 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1589 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1590
1591 require_once( \"\$IP/includes/DefaultSettings.php\" );
1592
1593 # If PHP's memory limit is very low, some operations may fail.
1594 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1595
1596 if ( \$wgCommandLineMode ) {
1597         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1598                 die( \"This script must be run from the command line\\n\" );
1599         }
1600 }
1601 ## Uncomment this to disable output compression
1602 # \$wgDisableOutputCompression = true;
1603
1604 \$wgSitename         = \"{$slconf['Sitename']}\";
1605
1606 ## The URL base path to the directory containing the wiki;
1607 ## defaults for all runtime URL paths are based off of this.
1608 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1609 \$wgScriptExtension  = \"{$slconf['ScriptExtension']}\";
1610
1611 ## For more information on customizing the URLs please see:
1612 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1613
1614 \$wgEnableEmail      = $enableemail;
1615 \$wgEnableUserEmail  = $enableuseremail;
1616
1617 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1618 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1619
1620 ## For a detailed description of the following switches see
1621 ## http://www.mediawiki.org/wiki/Extension:Email_notification
1622 ## and http://www.mediawiki.org/wiki/Extension:Email_notification
1623 ## There are many more options for fine tuning available see
1624 ## /includes/DefaultSettings.php
1625 ## UPO means: this is also a user preference option
1626 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1627 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1628 \$wgEmailAuthentication = $eauthent;
1629
1630 \$wgDBtype           = \"{$slconf['DBtype']}\";
1631 \$wgDBserver         = \"{$slconf['DBserver']}\";
1632 \$wgDBname           = \"{$slconf['DBname']}\";
1633 \$wgDBuser           = \"{$slconf['DBuser']}\";
1634 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1635
1636 # MySQL specific settings
1637 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1638
1639 # MySQL table options to use during installation or update
1640 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1641
1642 # Experimental charset support for MySQL 4.1/5.0.
1643 \$wgDBmysql5 = {$conf->DBmysql5};
1644
1645 # Postgres specific settings
1646 \$wgDBport           = \"{$slconf['DBport']}\";
1647 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1648 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";
1649
1650 ## Shared memory settings
1651 \$wgMainCacheType = $cacheType;
1652 \$wgMemCachedServers = $mcservers;
1653
1654 ## To enable image uploads, make sure the 'images' directory
1655 ## is writable, then set this to true:
1656 \$wgEnableUploads       = false;
1657 {$magic}\$wgUseImageMagick = true;
1658 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1659
1660 ## If you want to use image uploads under safe mode,
1661 ## create the directories images/archive, images/thumb and
1662 ## images/temp, and make them all writable. Then uncomment
1663 ## this, if it's not already uncommented:
1664 {$hashedUploads}\$wgHashedUploadDirectory = false;
1665
1666 ## If you have the appropriate support software installed
1667 ## you can enable inline LaTeX equations:
1668 \$wgUseTeX           = false;
1669
1670 \$wgLocalInterwiki   = \$wgSitename;
1671
1672 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1673
1674 \$wgProxyKey = \"$secretKey\";
1675
1676 ## Default skin: you can change the default skin. Use the internal symbolic
1677 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1678 \$wgDefaultSkin = 'monobook';
1679
1680 ## For attaching licensing metadata to pages, and displaying an
1681 ## appropriate copyright notice / icon. GNU Free Documentation
1682 ## License and Creative Commons licenses are supported so far.
1683 {$rights}\$wgEnableCreativeCommonsRdf = true;
1684 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1685 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1686 \$wgRightsText = \"{$slconf['RightsText']}\";
1687 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1688 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1689
1690 \$wgDiff3 = \"{$slconf['diff3']}\";
1691
1692 # When you make changes to this configuration file, this will make
1693 # sure that cached pages are cleared.
1694 \$wgCacheEpoch = max( \$wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
1695 "; ## End of setting the $localsettings string
1696
1697         // Keep things in Unix line endings internally;
1698         // the system will write out as local text type.
1699         return str_replace( "\r\n", "\n", $localsettings );
1700 }
1701
1702 function dieout( $text ) {
1703         die( $text . "\n\n</body>\n</html>" );
1704 }
1705
1706 function importVar( &$var, $name, $default = "" ) {
1707         if( isset( $var[$name] ) ) {
1708                 $retval = $var[$name];
1709                 if ( get_magic_quotes_gpc() ) {
1710                         $retval = stripslashes( $retval );
1711                 }
1712         } else {
1713                 $retval = $default;
1714         }
1715         return $retval;
1716 }
1717
1718 function importPost( $name, $default = "" ) {
1719         return importVar( $_POST, $name, $default );
1720 }
1721
1722 function importCheck( $name ) {
1723         return isset( $_POST[$name] );
1724 }
1725
1726 function importRequest( $name, $default = "" ) {
1727         return importVar( $_REQUEST, $name, $default );
1728 }
1729
1730 $radioCount = 0;
1731
1732 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
1733         global $radioCount;
1734         if( $type != "" ) {
1735                 $xtype = "type=\"$type\"";
1736         } else {
1737                 $xtype = "";
1738         }
1739
1740         $id = $field;
1741         $nolabel = ($type == "radio") || ($type == "hidden");
1742
1743         if ($type == 'radio')
1744                 $id .= $radioCount++;
1745
1746         if( $nolabel ) {
1747                 echo "\t\t<label>";
1748         } else {
1749                 echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
1750         }
1751
1752         if( $type == "radio" && $value == $conf->$field ) {
1753                 $checked = "checked='checked'";
1754         } else {
1755                 $checked = "";
1756         }
1757         echo "\t\t<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
1758         if ($onclick) {
1759                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
1760         }
1761         echo "value=\"";
1762         if( $type == "radio" ) {
1763                 echo htmlspecialchars( $value );
1764         } else {
1765                 echo htmlspecialchars( $conf->$field );
1766         }
1767
1768
1769         echo "\" />\n";
1770         if( $nolabel ) {
1771                 echo " $text</label>\n";
1772         }
1773
1774         global $errs;
1775         if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
1776 }
1777
1778 function getLanguageList() {
1779         global $wgLanguageNames, $IP;
1780         if( !isset( $wgLanguageNames ) ) {
1781                 require_once( "$IP/languages/Names.php" );
1782         }
1783
1784         $codes = array();
1785
1786         $d = opendir( "../languages/messages" );
1787         /* In case we are called from the root directory */
1788         if (!$d)
1789                 $d = opendir( "languages/messages");
1790         while( false !== ($f = readdir( $d ) ) ) {
1791                 $m = array();
1792                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
1793                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
1794                         if( isset( $wgLanguageNames[$code] ) ) {
1795                                 $name = $code . ' - ' . $wgLanguageNames[$code];
1796                         } else {
1797                                 $name = $code;
1798                         }
1799                         $codes[$code] = $name;
1800                 }
1801         }
1802         closedir( $d );
1803         ksort( $codes );
1804         return $codes;
1805 }
1806
1807 #Check for location of an executable
1808 # @param string $loc single location to check
1809 # @param array $names filenames to check for.
1810 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
1811 function locate_executable($loc, $names, $versioninfo = false) {
1812         if (!is_array($names))
1813                 $names = array($names);
1814
1815         foreach ($names as $name) {
1816                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
1817                 if (@file_exists($command)) {
1818                         if (!$versioninfo)
1819                                 return $command;
1820
1821                         $file = str_replace('$1', $command, $versioninfo[0]);
1822                         if (strstr(`$file`, $versioninfo[1]) !== false)
1823                                 return $command;
1824                 }
1825         }
1826         return false;
1827 }
1828
1829 # Test a memcached server
1830 function testMemcachedServer( $server ) {
1831         $hostport = explode(":", $server);
1832         $errstr = false;
1833         $fp = false;
1834         if ( !function_exists( 'fsockopen' ) ) {
1835                 $errstr = "Can't connect to memcached, fsockopen() not present";
1836         }
1837         if ( !$errstr && count( $hostport ) != 2 ) {
1838                 $errstr = 'Please specify host and port';
1839         }
1840         if ( !$errstr ) {
1841                 list( $host, $port ) = $hostport;
1842                 $errno = 0;
1843                 $fsockerr = '';
1844
1845                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
1846                 if ( $fp === false ) {
1847                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
1848                 }
1849         }
1850         if ( !$errstr ) {
1851                 $command = "version\r\n";
1852                 $bytes = fwrite( $fp, $command );
1853                 if ( $bytes != strlen( $command ) ) {
1854                         $errstr = "Cannot write to memcached socket on $host:$port";
1855                 }
1856         }
1857         if ( !$errstr ) {
1858                 $expected = "VERSION ";
1859                 $response = fread( $fp, strlen( $expected ) );
1860                 if ( $response != $expected ) {
1861                         $errstr = "Didn't get correct memcached response from $host:$port";
1862                 }
1863         }
1864         if ( $fp ) {
1865                 fclose( $fp );
1866         }
1867         if ( !$errstr ) {
1868                 echo "<li>Connected to memcached on $host:$port successfully";
1869         }
1870         return $errstr;
1871 }
1872
1873 function database_picker($conf) {
1874         global $ourdb;
1875         print "\n";
1876         foreach(array_keys($ourdb) as $db) {
1877                 if ($ourdb[$db]['havedriver']) {
1878                         print "<li>";
1879                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
1880                         print "</li>\n";
1881                 }
1882         }
1883         print "\n";
1884 }
1885
1886 function database_switcher($db) {
1887         global $ourdb;
1888         $color = $ourdb[$db]['bgcolor'];
1889         $full = $ourdb[$db]['fullname'];
1890         print "<fieldset id='$db'><legend>$full specific options</legend>\n";
1891 }
1892
1893 function printListItem( $item ) {
1894         print "<li>$item</li>";
1895 }
1896
1897 ?>
1898
1899         <div class="license">
1900         <hr>
1901         <p>This program is free software; you can redistribute it and/or modify
1902          it under the terms of the GNU General Public License as published by
1903          the Free Software Foundation; either version 2 of the License, or
1904          (at your option) any later version.</p>
1905
1906          <p>This program is distributed in the hope that it will be useful,
1907          but WITHOUT ANY WARRANTY; without even the implied warranty of
1908          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1909          GNU General Public License for more details.</p>
1910
1911          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
1912          along with this program; if not, write to the Free Software
1913          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
1914          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
1915         </div>
1916
1917 </div></div></div>
1918
1919
1920 <div id="column-one">
1921         <div class="portlet" id="p-logo">
1922           <a style="background-image: url(../skins/common/images/mediawiki.png);"
1923             href="http://www.mediawiki.org/"
1924             title="Main Page"></a>
1925         </div>
1926         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
1927         <div class='portlet'><div class='pBody'>
1928                 <ul>
1929                         <li><strong><a href="http://www.mediawiki.org/">MediaWiki home</a></strong></li>
1930                         <li><a href="../README">Readme</a></li>
1931                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
1932                         <li><a href="../docs/">Documentation</a></li>
1933                         <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
1934                         <li><a href="http://meta.wikimedia.org/wiki/MediaWiki_FAQ">FAQ</a></li>
1935                 </ul>
1936                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright &copy; 2001-2008 by Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik M&ouml;ller, Gabriel Wicke and others.</p>
1937         </div></div>
1938 </div>
1939
1940 </div>
1941
1942 </body>
1943 </html>