config/index.php

   1 <?php
   2
   3 # MediaWiki web-based config/installation
   4 # Copyright (C) 2004 Brion Vibber <brion@pobox.com>, 2006 Rob Church <robchur@gmail.com>
   5 # http://www.mediawiki.org/
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with this program; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20 # http://www.gnu.org/copyleft/gpl.html
  21
  22 error_reporting( E_ALL );
  23 header( "Content-type: text/html; charset=utf-8" );
  24 @ini_set( "display_errors", true );
  25
  26 # In case of errors, let output be clean.
  27 $wgRequestTime = microtime( true );
  28
  29 # Attempt to set up the include path, to fix problems with relative includes
  30 $IP = dirname( dirname( __FILE__ ) );
  31 define( 'MW_INSTALL_PATH', $IP );
  32
  33 # Define an entry point and include some files
  34 define( "MEDIAWIKI", true );
  35 define( "MEDIAWIKI_INSTALL", true );
  36
  37 // Run version checks before including other files
  38 // so people don't see a scary parse error.
  39 require_once( "$IP/install-utils.inc" );
  40 install_version_checks();
  41
  42 require_once( "$IP/includes/Defines.php" );
  43 require_once( "$IP/includes/DefaultSettings.php" );
  44 require_once( "$IP/includes/AutoLoader.php" );
  45 require_once( "$IP/includes/MagicWord.php" );
  46 require_once( "$IP/includes/Namespace.php" );
  47 require_once( "$IP/includes/ProfilerStub.php" );
  48 require_once( "$IP/includes/GlobalFunctions.php" );
  49 require_once( "$IP/includes/Hooks.php" );
  50 require_once( "$IP/includes/Exception.php" );
  51
  52 # If we get an exception, the user needs to know
  53 # all the details
  54 $wgShowExceptionDetails = true;
  55 $wgShowSQLErrors = true;
  56 wfInstallExceptionHandler();
  57 ## Databases we support:
  58
  59 $ourdb = array();
  60 $ourdb['mysql']['fullname']      = 'MySQL';
  61 $ourdb['mysql']['havedriver']    = 0;
  62 $ourdb['mysql']['compile']       = 'mysql';
  63 $ourdb['mysql']['bgcolor']       = '#ffe5a7';
  64 $ourdb['mysql']['rootuser']      = 'root';
  65
  66 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  67 $ourdb['postgres']['havedriver'] = 0;
  68 $ourdb['postgres']['compile']    = 'pgsql';
  69 $ourdb['postgres']['bgcolor']    = '#aaccff';
  70 $ourdb['postgres']['rootuser']   = 'postgres';
  71
  72 $ourdb['sqlite']['fullname']      = 'SQLite';
  73 $ourdb['sqlite']['havedriver']    = 0;
  74 $ourdb['sqlite']['compile']       = 'pdo_sqlite';
  75 $ourdb['sqlite']['bgcolor']       = '#b1ebb1';
  76 $ourdb['sqlite']['rootuser']      = '';
  77
  78 $ourdb['mssql']['fullname']      = 'MSSQL';
  79 $ourdb['mssql']['havedriver']    = 0;
  80 $ourdb['mssql']['compile']       = 'mssql not ready'; # Change to 'mssql' after includes/DatabaseMssql.php added;
  81 $ourdb['mssql']['bgcolor']       = '#ffc0cb';
  82 $ourdb['mssql']['rootuser']      = 'administrator';
  83
  84 $ourdb['ibm_db2']['fullname']   = 'DB2';
  85 $ourdb['ibm_db2']['havedriver'] = 0;
  86 $ourdb['ibm_db2']['compile']    = 'ibm_db2';
  87 $ourdb['ibm_db2']['bgcolor']    = '#ffeba1';
  88 $ourdb['ibm_db2']['rootuser']   = 'db2admin';
  89
  90 $ourdb['oracle']['fullname']   = 'Oracle';
  91 $ourdb['oracle']['havedriver'] = 0;
  92 $ourdb['oracle']['compile']    = 'oci8';
  93 $ourdb['oracle']['bgcolor']    = '#ffeba1';
  94 $ourdb['oracle']['rootuser']   = '';
  95
  96 ?>
  97 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  98 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
  99 <head>
 100         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
 101         <meta name="robots" content="noindex,nofollow"/>
 102         <title>MediaWiki <?php echo htmlspecialchars( $wgVersion ); ?> Installation</title>
 103         <style type="text/css">
 104
 105                 @import "../skins/monobook/main.css";
 106
 107                 .env-check {
 108                         font-size: 90%;
 109                         margin: 1em 0 1em 2.5em;
 110                 }
 111
 112                 .config-section {
 113                         margin-top: 2em;
 114                 }
 115
 116                 .config-section label.column {
 117                         clear: left;
 118                         font-weight: bold;
 119                         width: 13em;
 120                         float: left;
 121                         text-align: right;
 122                         padding-right: 1em;
 123                         padding-top: .2em;
 124                 }
 125
 126                 .config-input {
 127                         clear: left;
 128                         zoom: 100%; /* IE hack */
 129                 }
 130
 131                 .config-section .config-desc {
 132                         clear: left;
 133                         margin: 0 0 2em 18em;
 134                         padding-top: 1em;
 135                         font-size: 85%;
 136                 }
 137
 138                 .iput-text, .iput-password {
 139                         width: 14em;
 140                         margin-right: 1em;
 141                 }
 142
 143                 .error {
 144                         color: red;
 145                         background-color: #fff;
 146                         font-weight: bold;
 147                         left: 1em;
 148                         font-size: 100%;
 149                 }
 150
 151                 .error-top {
 152                         color: red;
 153                         background-color: #FFF0F0;
 154                         border: 2px solid red;
 155                         font-size: 130%;
 156                         font-weight: bold;
 157                         padding: 1em 1.5em;
 158                         margin: 2em 0 1em;
 159                 }
 160
 161                 ul.plain {
 162                         list-style-type: none;
 163                         list-style-image: none;
 164                         float: left;
 165                         margin: 0;
 166                         padding: 0;
 167                 }
 168
 169                 .btn-install {
 170                         font-weight: bold;
 171                         font-size: 110%;
 172                         padding: .2em .3em;
 173                 }
 174
 175                 .license {
 176                         font-size: 85%;
 177                         padding-top: 3em;
 178                 }
 179
 180                 span.success-message {
 181                         font-weight: bold;
 182                         font-size: 110%;
 183                         color: green;
 184                 }
 185                 .success-box {
 186                         font-size: 130%;
 187                 }
 188
 189         </style>
 190         <script type="text/javascript">
 191         <!--
 192         function hideall() {
 193                 <?php foreach (array_keys($ourdb) as $db) {
 194                 echo "\n                var i = document.getElementById('$db'); if (i) i.style.display='none';";
 195                 }
 196                 ?>
 197
 198         }
 199         function toggleDBarea(id,defaultroot) {
 200                 hideall();
 201                 var dbarea = document.getElementById(id);
 202                 if (dbarea) dbarea.style.display = (dbarea.style.display == 'none') ? 'block' : 'none';
 203                 var db = document.getElementById('RootUser');
 204                 if (defaultroot) {
 205 <?php foreach (array_keys($ourdb) as $db) {
 206                         echo "                  if (id == '$db') { db.value = '".$ourdb[$db]['rootuser']."';}\n";
 207 }?>
 208                 }
 209         }
 210         // -->
 211         </script>
 212 </head>
 213
 214 <body>
 215 <div id="globalWrapper">
 216 <div id="column-content">
 217 <div id="content">
 218 <div id="bodyContent">
 219
 220 <h1>MediaWiki <?php print htmlspecialchars( $wgVersion ) ?> Installation</h1>
 221
 222 <?php
 223 $mainListOpened = false; # Is the main list (environement checking) opend ? Used by dieout
 224
 225 /* Check for existing configurations and bug out! */
 226
 227 if( file_exists( "../LocalSettings.php" ) ) {
 228         $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 229         dieout( "<p><strong>Setup has completed, <a href='../$script'>your wiki</a> is configured.</strong></p>
 230         <p>Please delete the /config directory for extra security.</p>" );
 231 }
 232
 233 if( file_exists( "./LocalSettings.php" ) ) {
 234         writeSuccessMessage();
 235         dieout( '' );
 236 }
 237
 238 if( !is_writable( "." ) ) {
 239         dieout( "<h2>Can't write config file, aborting</h2>
 240
 241         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 242         writable by the web server. Once configuration is done you'll move the created
 243         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 244         then remove the <tt>config</tt> subdirectory entirely.</p>
 245
 246         <p>To make the directory writable on a Unix/Linux system:</p>
 247
 248         <pre>
 249         cd <i>" . htmlspecialchars( dirname( dirname( __FILE__ ) ) ) . "</i>
 250         chmod a+w config
 251         </pre>
 252
 253         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 254 }
 255
 256
 257 require_once( "$IP/install-utils.inc" );
 258 require_once( "$IP/maintenance/updaters.inc" );
 259
 260 class ConfigData {
 261         function getEncoded( $data ) {
 262                 # removing latin1 support, no need...
 263                 return $data;
 264         }
 265         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 266         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 267         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 268
 269         function setSchema( $schema, $engine ) {
 270                 $this->DBschema = $schema;
 271                 if ( !preg_match( '/^\w*$/', $engine ) ){
 272                         $engine = 'InnoDB';
 273                 }
 274                 switch ( $this->DBschema ) {
 275                         case 'mysql5':
 276                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=utf8";
 277                                 $this->DBmysql5 = 'true';
 278                                 break;
 279                         case 'mysql5-binary':
 280                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=binary";
 281                                 $this->DBmysql5 = 'true';
 282                                 break;
 283                         default:
 284                                 $this->DBTableOptions = "TYPE=$engine";
 285                                 $this->DBmysql5 = 'false';
 286                 }
 287                 $this->DBengine = $engine;
 288
 289                 # Set the global for use during install
 290                 global $wgDBTableOptions;
 291                 $wgDBTableOptions = $this->DBTableOptions;
 292         }
 293 }
 294
 295 ?>
 296
 297 <ul>
 298         <li>
 299                 <b>Don't forget security updates!</b> Keep an eye on the
 300                 <a href="http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 301                 release announcements mailing list</a>.
 302         </li>
 303 </ul>
 304
 305
 306 <h2>Checking environment...</h2>
 307 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 308 <ul class="env-check">
 309 <?php
 310 $mainListOpened = true;
 311
 312 $endl = "
 313 ";
 314 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 315 $conf = new ConfigData;
 316
 317 install_version_checks();
 318 $self = 'Installer'; # Maintenance script name, to please Setup.php
 319
 320 print "<li>PHP " . htmlspecialchars( phpversion() ) . " installed</li>\n";
 321
 322 error_reporting( 0 );
 323 $phpdatabases = array();
 324 foreach (array_keys($ourdb) as $db) {
 325         $compname = $ourdb[$db]['compile'];
 326         if( extension_loaded( $compname ) || ( mw_have_dl() && dl( "{$compname}." . PHP_SHLIB_SUFFIX ) ) ) {
 327                 array_push($phpdatabases, $db);
 328                 $ourdb[$db]['havedriver'] = 1;
 329         }
 330 }
 331 error_reporting( E_ALL );
 332
 333 if (!$phpdatabases) {
 334         print "Could not find a suitable database driver!<ul>";
 335         foreach (array_keys($ourdb) AS $db) {
 336                 $comp = $ourdb[$db]['compile'];
 337                 $full = $ourdb[$db]['fullname'];
 338                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 339                         ."or install the $comp.so module</li>\n";
 340         }
 341         echo '</ul>';
 342         dieout( '' );
 343 }
 344
 345 print "<li>Found database drivers for:";
 346 $DefaultDBtype = '';
 347 foreach (array_keys($ourdb) AS $db) {
 348         if ($ourdb[$db]['havedriver']) {
 349                 if ( $DefaultDBtype == '' ) {
 350                         $DefaultDBtype = $db;
 351                 }
 352                 print "  ".$ourdb[$db]['fullname'];
 353         }
 354 }
 355 print "</li>\n";
 356
 357 if( wfIniGetBool( "register_globals" ) ) {
 358         ?>
 359         <li>
 360                 <div style="font-size:110%">
 361                 <strong class="error">Warning:</strong>
 362                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 363                 </div>
 364                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 365         </li>
 366         <?php
 367 }
 368
 369 $fatal = false;
 370
 371 if( wfIniGetBool( "magic_quotes_runtime" ) ) {
 372         $fatal = true;
 373         ?><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>
 374         This option corrupts data input unpredictably; you cannot install or use
 375         MediaWiki unless this option is disabled.</li>
 376         <?php
 377 }
 378
 379 if( wfIniGetBool( "magic_quotes_sybase" ) ) {
 380         $fatal = true;
 381         ?><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>
 382         This option corrupts data input unpredictably; you cannot install or use
 383         MediaWiki unless this option is disabled.</li>
 384         <?php
 385 }
 386
 387 if( wfIniGetBool( "mbstring.func_overload" ) ) {
 388         $fatal = true;
 389         ?><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>
 390         This option causes errors and may corrupt data unpredictably;
 391         you cannot install or use MediaWiki unless this option is disabled.</li>
 392         <?php
 393 }
 394
 395 if( wfIniGetBool( "zend.ze1_compatibility_mode" ) ) {
 396         $fatal = true;
 397         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 398         This option causes horrible bugs with MediaWiki; you cannot install or use
 399         MediaWiki unless this option is disabled.</li>
 400         <?php
 401 }
 402
 403
 404 if( $fatal ) {
 405         dieout( "Cannot install MediaWiki." );
 406 }
 407
 408 if( wfIniGetBool( "safe_mode" ) ) {
 409         $conf->safeMode = true;
 410         ?>
 411         <li><b class='error'>Warning:</b> <strong>PHP's
 412         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 413         You may have problems caused by this, particularly if using image uploads.
 414         </li>
 415         <?php
 416 } else {
 417         $conf->safeMode = false;
 418 }
 419
 420 $sapi = htmlspecialchars( php_sapi_name() );
 421 print "<li>PHP server API is $sapi; ";
 422 $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 423 if( $wgUsePathInfo ) {
 424  print "ok, using pretty URLs (<tt>$script/Page_Title</tt>)";
 425 } else {
 426         print "using ugly URLs (<tt>$script?title=Page_Title</tt>)";
 427 }
 428 print "</li>\n";
 429
 430 $conf->xml = function_exists( "utf8_encode" );
 431 if( $conf->xml ) {
 432         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 433 } else {
 434         dieout( "PHP's XML module is missing; the wiki requires functions in
 435                 this module and won't work in this configuration.
 436                 If you're running Mandrake, install the php-xml package." );
 437 }
 438
 439 # Check for session support
 440 if( !function_exists( 'session_name' ) )
 441         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 442
 443 # session.save_path doesn't *have* to be set, but if it is, and it's
 444 # not valid/writable/etc. then it can cause problems
 445 $sessionSavePath = mw_get_session_save_path();
 446 $ssp = htmlspecialchars( $sessionSavePath );
 447 # Warn the user if it's not set, but let them proceed
 448 if( !$sessionSavePath ) {
 449         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 450         has not been set in PHP.ini. If the default value causes problems with
 451         saving session data, set it to a valid path which is read/write/execute
 452         for the user your web server is running under.</li>";
 453 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 454         # All good? Let the user know
 455         print "<li>Session save path (<tt>{$ssp}</tt>) appears to be valid.</li>";
 456 } else {
 457         # Something not right? Warn the user, but let them proceed
 458         print "<li><strong>Warning:</strong> Your <tt>session.save_path</tt> value (<tt>{$ssp}</tt>)
 459                 appears to be invalid or is not writable. PHP needs to be able to save data to
 460                 this location for correct session operation.</li>";
 461 }
 462
 463 # Check for PCRE support
 464 if( !function_exists( 'preg_match' ) )
 465         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 466         Perl-compatible regular expression functions." );
 467
 468 $memlimit = ini_get( "memory_limit" );
 469 if( empty( $memlimit ) || $memlimit == -1 ) {
 470         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 471 } else {
 472         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". ";
 473         global $wgMemoryLimit;
 474         if( wfParseMemoryLimit( $memlimit ) < wfParseMemoryLimit( $wgMemoryLimit ) ) {
 475                 print "Attempting to raise limit to " . htmlspecialchars( $wgMemoryLimit ) . "... ";
 476                 if( false === ini_set( "memory_limit", $wgMemoryLimit ) ) {
 477                         print "failed.<br /><b>" . htmlspecialchars( $memlimit ) . " seems too low, installation may fail!</b>";
 478                 } else {
 479                         print "ok.";
 480                 }
 481         }
 482         print "</li>\n";
 483 }
 484
 485 $conf->turck = function_exists( 'mmcache_get' );
 486 if ( $conf->turck ) {
 487         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 488 }
 489
 490 $conf->xcache = function_exists( 'xcache_get' );
 491 if( $conf->xcache )
 492         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>\n";
 493
 494 $conf->apc = function_exists('apc_fetch');
 495 if ($conf->apc ) {
 496         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>\n";
 497 }
 498
 499 $conf->eaccel = function_exists( 'eaccelerator_get' );
 500 if ( $conf->eaccel ) {
 501         $conf->turck = 'eaccelerator';
 502         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 503 }
 504
 505 $conf->dba = function_exists( 'dba_open' );
 506
 507 if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 508         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 509                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>,
 510                 <a href="http://www.php.net/apc">APC</a> or <a href="http://trac.lighttpd.net/xcache/">XCache</a>;
 511                 cannot use these for object caching.</li>' );
 512 }
 513
 514 $conf->phpCliPath = false;
 515 $phpClilocations = array_merge(
 516         array(
 517                 "/usr/bin",
 518                 "/usr/local/bin",
 519                 "/opt/csw/bin",
 520                 "/usr/gnu/bin",
 521                 "/usr/sfw/bin" ),
 522         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 523 $phpClinames = array( "php", "php.exe" );
 524 foreach ($phpClilocations as $loc) {
 525         $exe = locate_executable($loc, $phpClinames);
 526         if ($exe !== false) {
 527                 $conf->phpCliPath= $exe;
 528                 break;
 529         }
 530 }
 531
 532 $conf->diff3 = false;
 533 $diff3locations = array_merge(
 534         array(
 535                 "/usr/bin",
 536                 "/usr/local/bin",
 537                 "/opt/csw/bin",
 538                 "/usr/gnu/bin",
 539                 "/usr/sfw/bin" ),
 540         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 541 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 542
 543 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 544 foreach ($diff3locations as $loc) {
 545         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 546         if ($exe !== false) {
 547                 $conf->diff3 = $exe;
 548                 break;
 549         }
 550 }
 551
 552 if ($conf->diff3)
 553         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 554 else
 555         print "<li>GNU diff3 not found.</li>";
 556
 557 $conf->ImageMagick = false;
 558 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 559 foreach( $imcheck as $dir ) {
 560         $im = "$dir/convert";
 561         if( @file_exists( $im ) ) {
 562                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 563                 $conf->ImageMagick = $im;
 564                 break;
 565         }
 566 }
 567
 568 $conf->HaveGD = function_exists( "imagejpeg" );
 569 if( $conf->HaveGD ) {
 570         print "<li>Found GD graphics library built-in";
 571         if( !$conf->ImageMagick ) {
 572                 print ", image thumbnailing will be enabled if you enable uploads";
 573         }
 574         print ".</li>\n";
 575 } else {
 576         if( !$conf->ImageMagick ) {
 577                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 578         }
 579 }
 580
 581 $conf->IP = dirname( dirname( __FILE__ ) );
 582 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 583
 584
 585 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 586 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 587 // to get the path to the current script... hopefully it's reliable. SIGH
 588 $path = ($_SERVER["PHP_SELF"] === '')
 589         ? $_SERVER["SCRIPT_NAME"]
 590         : $_SERVER["PHP_SELF"];
 591
 592 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 593 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 594
 595
 596
 597 // We may be installing from *.php5 extension file, if so, print message
 598 $conf->ScriptExtension = '.php';
 599 if (defined('MW_INSTALL_PHP5_EXT')) {
 600     $conf->ScriptExtension = '.php5';
 601     print "<li>Installing MediaWiki with <tt>php5</tt> file extensions</li>\n";
 602 } else {
 603     print "<li>Installing MediaWiki with <tt>php</tt> file extensions</li>\n";
 604 }
 605
 606
 607 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 608         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 609
 610         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 611         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 612                 ? 'root@localhost'
 613                 : $_SERVER["SERVER_ADMIN"];
 614         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 615         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 616         if ( !isset( $ourdb[$conf->DBtype] ) ) {
 617                 $conf->DBtype = $DefaultDBtype;
 618         }
 619
 620         $conf->DBserver = importPost( "DBserver", "localhost" );
 621         $conf->DBname = importPost( "DBname", "wikidb" );
 622         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 623         $conf->DBpassword = importPost( "DBpassword" );
 624         $conf->DBpassword2 = importPost( "DBpassword2" );
 625         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 626         $conf->SysopPass = importPost( "SysopPass" );
 627         $conf->SysopPass2 = importPost( "SysopPass2" );
 628         $conf->RootUser = importPost( "RootUser", "root" );
 629         $conf->RootPW = importPost( "RootPW", "" );
 630         $useRoot = importCheck( 'useroot', false );
 631         $conf->populateadmin = importCheck( 'populateadmin', false );
 632         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 633         ## MySQL specific:
 634         $conf->DBprefix     = importPost( "DBprefix" );
 635         $conf->setSchema(
 636                 importPost( "DBschema", "mysql5-binary" ),
 637                 importPost( "DBengine", "InnoDB" ) );
 638
 639         ## Postgres specific:
 640         $conf->DBport      = importPost( "DBport",      "5432" );
 641         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 642         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 643
 644         ## SQLite specific
 645         $conf->SQLiteDataDir = importPost( "SQLiteDataDir", "" );
 646
 647         ## MSSQL specific
 648         // We need a second field so it doesn't overwrite the MySQL one
 649         $conf->DBprefix2 = importPost( "DBprefix2" );
 650
 651         ## DB2 specific:
 652         // New variable in order to have a different default port number
 653         $conf->DBport_db2   = importPost( "DBport_db2",      "50000" );
 654         $conf->DBmwschema   = importPost( "DBmwschema",  "mediawiki" );
 655         $conf->DBcataloged  = importPost( "DBcataloged",  "cataloged" );
 656
 657         // Oracle specific
 658         $conf->DBprefix_ora     = importPost( "DBprefix_ora" );
 659         $conf->DBdefTS_ora     = importPost( "DBdefTS_ora", "USERS" );
 660         $conf->DBtempTS_ora     = importPost( "DBtempTS_ora", "TEMP" );
 661
 662         $conf->ShellLocale = getShellLocale( $conf->LanguageCode );
 663
 664 /* Check for validity */
 665 $errs = array();
 666
 667 if( preg_match( '/^$|^mediawiki$|#/i', $conf->Sitename ) ) {
 668         $errs["Sitename"] = "Must not be blank or \"MediaWiki\" and may not contain \"#\"";
 669 }
 670 if( $conf->DBuser == "" ) {
 671         $errs["DBuser"] = "Must not be blank";
 672 }
 673 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 674         $errs["DBuser"] = "Username too long";
 675 }
 676 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 677         $errs["DBpassword"] = "Must not be blank";
 678 }
 679 if( $conf->DBpassword != $conf->DBpassword2 ) {
 680         $errs["DBpassword2"] = "Passwords don't match!";
 681 }
 682 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 683         $errs["DBprefix"] = "Invalid table prefix";
 684 } else {
 685         untaint( $conf->DBprefix, TC_MYSQL );
 686 }
 687 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix_ora ) ) {
 688         $errs["DBprefix_ora"] = "Invalid table prefix";
 689 }
 690
 691 error_reporting( E_ALL );
 692
 693 /**
 694  * Initialise $wgLang and $wgContLang to something so we can
 695  * call case-folding methods. Per Brion, this is English for
 696  * now, although we could be clever and initialise to the
 697  * user-selected language.
 698  */
 699 $wgContLang = Language::factory( 'en' );
 700 $wgLang = $wgContLang;
 701
 702 /**
 703  * We're messing about with users, so we need a stub
 704  * authentication plugin...
 705  */
 706 $wgAuth = new AuthPlugin();
 707
 708 /**
 709  * Validate the initial administrator account; username,
 710  * password checks, etc.
 711  */
 712 if( $conf->SysopName ) {
 713         # Check that the user can be created
 714         $u = User::newFromName( $conf->SysopName );
 715         if( is_a($u, 'User') ) { // please do not use instanceof, it breaks PHP4
 716                 # Various password checks
 717                 if( $conf->SysopPass != '' ) {
 718                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 719                                 if( $u->isValidPassword( $conf->SysopPass ) !== true ) {
 720                                         $errs['SysopPass'] = "Bad password";
 721                                 }
 722                         } else {
 723                                 $errs['SysopPass2'] = "Passwords don't match";
 724                         }
 725                 } else {
 726                         $errs['SysopPass'] = "Cannot be blank";
 727                 }
 728                 unset( $u );
 729         } else {
 730                 $errs['SysopName'] = "Bad username";
 731         }
 732 }
 733
 734 $conf->License = importRequest( "License", "none" );
 735 if( $conf->License == "gfdl1_2" ) {
 736         $conf->RightsUrl = "http://www.gnu.org/licenses/old-licenses/fdl-1.2.txt";
 737         $conf->RightsText = "GNU Free Documentation License 1.2";
 738         $conf->RightsCode = "gfdl1_2";
 739         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 740 } elseif( $conf->License == "gfdl1_3" ) {
 741         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 742         $conf->RightsText = "GNU Free Documentation License 1.3";
 743         $conf->RightsCode = "gfdl1_3";
 744         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 745 } elseif( $conf->License == "none" ) {
 746         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 747 } elseif( $conf->License == "pd" ) {
 748         $conf->RightsUrl = "http://creativecommons.org/licenses/publicdomain/";
 749         $conf->RightsText = "Public Domain";
 750         $conf->RightsCode = "pd";
 751         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/public-domain.png';
 752 } else {
 753         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 754         $conf->RightsText = importRequest( "RightsText", "" );
 755         $conf->RightsCode = importRequest( "RightsCode", "" );
 756         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 757 }
 758
 759 $conf->Shm = importRequest( "Shm", "none" );
 760 $conf->MCServers = importRequest( "MCServers" );
 761
 762 /* Test memcached servers */
 763
 764 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 765         $conf->MCServerArray = wfArrayMap( 'trim', explode( ',', $conf->MCServers ) );
 766         foreach ( $conf->MCServerArray as $server ) {
 767                 $error = testMemcachedServer( $server );
 768                 if ( $error ) {
 769                         $errs["MCServers"] = $error;
 770                         break;
 771                 }
 772         }
 773 } else if ( $conf->Shm == 'memcached' ) {
 774         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 775 }
 776
 777 /* default values for installation */
 778 $conf->Email     = importRequest("Email", "email_enabled");
 779 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 780 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 781 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 782
 783 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 784         do { /* So we can 'continue' to end prematurely */
 785                 $conf->Root = ($conf->RootPW != "");
 786
 787                 /* Load up the settings and get installin' */
 788                 $local = writeLocalSettings( $conf );
 789                 echo "<li style=\"list-style: none\">\n";
 790                 echo "<p><b>Generating configuration file...</b></p>\n";
 791                 echo "</li>\n";
 792
 793                 $wgCommandLineMode = false;
 794                 chdir( ".." );
 795                 $ok = eval( $local );
 796                 if( $ok === false ) {
 797                         dieout( "<p>Errors in generated configuration; " .
 798                                 "most likely due to a bug in the installer... " .
 799                                 "Config file was: </p>" .
 800                                 "<pre>" .
 801                                 htmlspecialchars( $local ) .
 802                                 "</pre>" );
 803                 }
 804                 $conf->DBtypename = '';
 805                 foreach (array_keys($ourdb) as $db) {
 806                         if ($conf->DBtype === $db)
 807                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 808                 }
 809                 if ( ! strlen($conf->DBtype)) {
 810                         $errs["DBpicktype"] = "Please choose a database type";
 811                         continue;
 812                 }
 813
 814                 if (! $conf->DBtypename) {
 815                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 816                         continue;
 817                 }
 818                 print "<li>Database type: " . htmlspecialchars( $conf->DBtypename ) . "</li>\n";
 819                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 820                 $wgDBtype = $conf->DBtype;
 821                 $wgDBadminuser = "root";
 822                 $wgDBadminpassword = $conf->RootPW;
 823
 824                 ## Mysql specific:
 825                 $wgDBprefix = $conf->DBprefix;
 826
 827                 ## Postgres specific:
 828                 $wgDBport      = $conf->DBport;
 829                 $wgDBmwschema  = $conf->DBmwschema;
 830                 $wgDBts2schema = $conf->DBts2schema;
 831
 832                 if( $conf->DBprefix2 != '' ) {
 833                         // For MSSQL
 834                         $wgDBprefix = $conf->DBprefix2;
 835                 } elseif( $conf->DBprefix_ora != '' ) {
 836                         // For Oracle
 837                         $wgDBprefix = $conf->DBprefix_ora;
 838                 }
 839
 840                 ## DB2 specific:
 841                 $wgDBcataloged = $conf->DBcataloged;
 842
 843                 $wgCommandLineMode = true;
 844                 if (! defined ( 'STDERR' ) )
 845                         define( 'STDERR', fopen("php://stderr", "wb"));
 846                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 847                 require_once( "$IP/includes/Setup.php" );
 848                 Language::getLocalisationCache()->disableBackend();
 849
 850                 chdir( "config" );
 851
 852                 $wgTitle = Title::newFromText( "Installation script" );
 853                 error_reporting( E_ALL );
 854                 print "<li>Loading class: " . htmlspecialchars( $dbclass ) . "</li>\n";
 855                 if ( $conf->DBtype != 'sqlite' ) {
 856                         $dbc = new $dbclass;
 857                 }
 858
 859                 if( $conf->DBtype == 'mysql' ) {
 860                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 861                         if( $mysqlOldClient ) {
 862                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 863                                         using a MySQL 4.1 server and have problems connecting to the database,
 864                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 865                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 866                         }
 867                         $ok = true; # Let's be optimistic
 868
 869                         # Decide if we're going to use the superuser or the regular database user
 870                         $conf->Root = $useRoot;
 871                         if( $conf->Root ) {
 872                                 $db_user = $conf->RootUser;
 873                                 $db_pass = $conf->RootPW;
 874                         } else {
 875                                 $db_user = $wgDBuser;
 876                                 $db_pass = $wgDBpassword;
 877                         }
 878
 879                         # Attempt to connect
 880                         echo( "<li>Attempting to connect to database server as " . htmlspecialchars( $db_user ) . "..." );
 881                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 882
 883                         # Check the connection and respond to errors
 884                         if( $wgDatabase->isOpen() ) {
 885                                 # Seems OK
 886                                 $ok = true;
 887                                 $wgDBadminuser = $db_user;
 888                                 $wgDBadminpassword = $db_pass;
 889                                 echo( "success.</li>\n" );
 890                                 $wgDatabase->ignoreErrors( true );
 891                                 $myver = $wgDatabase->getServerVersion();
 892                         } else {
 893                                 # There were errors, report them and back out
 894                                 $ok = false;
 895                                 $errno = mysql_errno();
 896                                 $errtx = htmlspecialchars( mysql_error() );
 897                                 switch( $errno ) {
 898                                         case 1045:
 899                                         case 2000:
 900                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 901                                                 if( $conf->Root ) {
 902                                                         # The superuser details are wrong
 903                                                         $errs["RootUser"] = "Check username";
 904                                                         $errs["RootPW"] = "and password";
 905                                                 } else {
 906                                                         # The regular user details are wrong
 907                                                         $errs["DBuser"] = "Check username";
 908                                                         $errs["DBpassword"] = "and password";
 909                                                 }
 910                                                 break;
 911                                         case 2002:
 912                                         case 2003:
 913                                         default:
 914                                                 # General connection problem
 915                                                 echo( htmlspecialchars( "failed with error [$errno] $errtx." ) . "</li>\n" );
 916                                                 $errs["DBserver"] = "Connection failed";
 917                                                 break;
 918                                 } # switch
 919                         } #conn. att.
 920
 921                         if( !$ok ) { continue; }
 922                 }
 923                 else if( $conf->DBtype == 'ibm_db2' ) {
 924                         if( $useRoot ) {
 925                                 $db_user = $conf->RootUser;
 926                                 $db_pass = $conf->RootPW;
 927                         } else {
 928                                 $db_user = $wgDBuser;
 929                                 $db_pass = $wgDBpassword;
 930                         }
 931
 932                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
 933                                 "\" as \"" . htmlspecialchars( $db_user ) . "\"..." );
 934                         $wgDatabase = $dbc->newFromParams($wgDBserver, $db_user, $db_pass, $wgDBname, 1);
 935                         if (!$wgDatabase->isOpen()) {
 936                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 937                         } else {
 938                                 $myver = $wgDatabase->getServerVersion();
 939                         }
 940                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 941
 942                 } elseif ( $conf->DBtype == 'sqlite' ) {
 943                         if ("$wgSQLiteDataDir" == '') {
 944                                 $wgSQLiteDataDir = dirname($_SERVER['DOCUMENT_ROOT']).'/data';
 945                         }
 946                         echo "<li>Attempting to connect to SQLite database at \"" .
 947                                 htmlspecialchars( $wgSQLiteDataDir ) .  "\"";
 948                         if ( !is_dir( $wgSQLiteDataDir ) ) {
 949                                 if ( is_writable( dirname( $wgSQLiteDataDir ) ) ) {
 950                                         $ok = wfMkdirParents( $wgSQLiteDataDir, $wgSQLiteDataDirMode );
 951                                 } else {
 952                                         $ok = false;
 953                                 }
 954                                 if ( !$ok ) {
 955                                         echo ": cannot create data directory</li>";
 956                                         $errs['SQLiteDataDir'] = 'Enter a valid data directory';
 957                                         continue;
 958                                 }
 959                         }
 960                         if ( !is_writable( $wgSQLiteDataDir ) ) {
 961                                 echo ": data directory not writable</li>";
 962                                 $errs['SQLiteDataDir'] = 'Enter a writable data directory';
 963                                 continue;
 964                         }
 965                         $dataFile = "$wgSQLiteDataDir/$wgDBname.sqlite";
 966                         if ( file_exists( $dataFile ) && !is_writable( $dataFile ) ) {
 967                                 echo ": data file not writable</li>";
 968                                 $errs['SQLiteDataDir'] = "$wgDBname.sqlite is not writable";
 969                                 continue;
 970                         }
 971                         $wgDatabase = new DatabaseSqlite( false, false, false, $wgDBname, 1 );
 972                         if (!$wgDatabase->isOpen()) {
 973                                 print ": error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 974                                 $errs['SQLiteDataDir'] = 'Could not connect to database';
 975                                 continue;
 976                         } else {
 977                                 $myver = $wgDatabase->getServerVersion();
 978                         }
 979                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 980                         echo "ok</li>\n";
 981                 } elseif ( $conf->DBtype == 'oracle' ) {
 982                         echo "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
 983                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
 984                         if (!$wgDatabase->isOpen()) {
 985                                 $ok = true;
 986                                 echo "<li>Connect failed.</li>";
 987                                 if ($useRoot) {
 988                                         if (ini_get('oci8.privileged_connect') === false) {
 989                                                 echo "<li>Privileged connect disabled, please set oci8.privileged_connect or run maintenance/ora/user.sql script manually prior to continuing.</li>";
 990                                                 $ok = false;
 991                                         } else {
 992                                                 $wgDBadminuser = $conf->RootUser;
 993                                                 $wgDBadminpassword = $conf->RootPW;
 994                                                 echo "<li>Attempting to create DB user.</li>";
 995                                                 $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBadminuser, $wgDBadminpassword, $wgDBname, 1, 64);
 996                                                 if ($wgDatabase->isOpen()) {
 997                                                         $wgDBOracleDefTS = $conf->DBdefTS_ora;
 998                                                         $wgDBOracleTempTS = $conf->DBtempTS_ora;
 999                                                         $wgDatabase->sourceFile( "../maintenance/ora/user.sql"  );
1000                                                 } else {
1001                                                         echo "<li>Invalid database superuser, please supply a valid superuser account.</li>";
1002                                                         echo "<li>ERR: ".print_r(oci_error(), true)."</li>";
1003                                                         $ok = false;
1004                                                 }
1005                                         }
1006                                 } else {
1007                                         echo "<li>Database superuser missing, please supply a valid superuser account.</li>";
1008                                         $ok = false;
1009                                 }
1010                                 if (!$ok) {
1011                                         $errs["RootUser"] = "Check username";
1012                                         $errs["RootPW"] = "and password";
1013                                 } else {
1014                                         echo "<li>Attempting to connect to database with new user \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
1015                                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
1016                                 }
1017                         }
1018                         if ($ok) {
1019                                 $myver = $wgDatabase->getServerVersion();
1020                         }
1021                 } else { # not mysql
1022                         error_reporting( E_ALL );
1023                         $wgSuperUser = '';
1024                         ## Possible connect as a superuser
1025                         // Changed !mysql to postgres check since it seems to only apply to postgres
1026                         if( $useRoot && $conf->DBtype == 'postgres' ) {
1027                                 $wgDBsuperuser = $conf->RootUser;
1028                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"" .
1029                                         htmlspecialchars( $wgDBsuperuser ) . "\"..." );
1030                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
1031                                 if (!$wgDatabase->isOpen()) {
1032                                         print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1033                                         $errs["DBserver"] = "Could not connect to database as superuser";
1034                                         $errs["RootUser"] = "Check username";
1035                                         $errs["RootPW"] = "and password";
1036                                         continue;
1037                                 }
1038                                 $wgDatabase->initial_setup($conf->RootPW, 'postgres');
1039                         }
1040                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
1041                                 "\" as \"" . htmlspecialchars( $wgDBuser ) . "\"..." );
1042                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
1043                         if (!$wgDatabase->isOpen()) {
1044                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1045                                 $errs["DBserver"] = "Could not connect to database as user";
1046                                 $errs["DBuser"] = "Check username";
1047                                 $errs["DBpassword"] = "and password";
1048                                 continue;
1049                         } else {
1050                                 $myver = $wgDatabase->getServerVersion();
1051                         }
1052                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
1053                 }
1054
1055                 if ( !$wgDatabase->isOpen() ) {
1056                         $errs["DBserver"] = "Couldn't connect to database";
1057                         continue;
1058                 }
1059
1060                 print "<li>Connected to " . htmlspecialchars( "{$conf->DBtype} $myver" );
1061                 if ($conf->DBtype == 'mysql') {
1062                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
1063                                 print "</li>\n";
1064                                 dieout( "-- mysql 4.0.14 or later required. Aborting." );
1065                         }
1066                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
1067                         if( $mysqlNewAuth && $mysqlOldClient ) {
1068                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
1069                                         to old client libraries; if you have trouble with authentication, see
1070                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
1071                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
1072                         }
1073                         if( $wgDBmysql5 ) {
1074                                 if( $mysqlNewAuth ) {
1075                                         print "; enabling MySQL 4.1/5.0 charset mode";
1076                                 } else {
1077                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
1078                                                 but older version detected; will likely fail.</b>";
1079                                 }
1080                         }
1081                         print "</li>\n";
1082
1083                         @$sel = $wgDatabase->selectDB( $wgDBname );
1084                         if( $sel ) {
1085                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
1086                         } else {
1087                                 $err = mysql_errno();
1088                                 $databaseSafe = htmlspecialchars( $wgDBname );
1089                                 if( $err == 1102 /* Invalid database name */ ) {
1090                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
1091                                         continue;
1092                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
1093                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
1094                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
1095                                         continue;
1096                                 }
1097                                 print "<li>Attempting to create database...</li>";
1098                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
1099                                 if( !$res ) {
1100                                         print "<li>Couldn't create database <tt>" .
1101                                                 htmlspecialchars( $wgDBname ) .
1102                                                 "</tt>; try with root access or check your username/pass.</li>\n";
1103                                         $errs["RootPW"] = "<- Enter";
1104                                         continue;
1105                                 }
1106                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
1107                         }
1108                         $wgDatabase->selectDB( $wgDBname );
1109                 }
1110                 else if ($conf->DBtype == 'postgres') {
1111                         if( version_compare( $myver, "8.0" ) < 0 ) {
1112                                 dieout( "<b>Postgres 8.0 or later is required</b>. Aborting." );
1113                         }
1114                 }
1115
1116                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
1117                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
1118
1119                         if ( $conf->DBtype == 'mysql') {
1120                                 # Determine existing default character set
1121                                 if ( $wgDatabase->tableExists( "revision" ) ) {
1122                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
1123                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
1124                                         $row = $wgDatabase->fetchObject( $res );
1125                                         if ( !$row ) {
1126                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
1127                                                 $existingSchema = false;
1128                                                 $existingEngine = false;
1129                                         } else {
1130                                                 if ( preg_match( '/^latin1/', $row->Collation ) ) {
1131                                                         $existingSchema = 'mysql4';
1132                                                 } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
1133                                                         $existingSchema = 'mysql5';
1134                                                 } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
1135                                                         $existingSchema = 'mysql5-binary';
1136                                                 } else {
1137                                                         $existingSchema = false;
1138                                                         echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
1139                                                 }
1140                                                 if ( isset( $row->Engine ) ) {
1141                                                         $existingEngine = $row->Engine;
1142                                                 } else {
1143                                                         $existingEngine = $row->Type;
1144                                                 }
1145                                         }
1146                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
1147                                                 $encExisting = htmlspecialchars( $existingSchema );
1148                                                 $encRequested = htmlspecialchars( $conf->DBschema );
1149                                                 print "<li><strong>Warning:</strong> you requested the $encRequested schema, " .
1150                                                         "but the existing database has the $encExisting schema. This upgrade script ".
1151                                                         "can't convert it, so it will remain $encExisting.</li>\n";
1152                                                 $conf->setSchema( $existingSchema, $conf->DBengine );
1153                                         }
1154                                         if ( $existingEngine && $existingEngine != $conf->DBengine ) {
1155                                                 $encExisting = htmlspecialchars( $existingEngine );
1156                                                 $encRequested = htmlspecialchars( $conf->DBengine );
1157                                                 print "<li><strong>Warning:</strong> you requested the $encRequested storage " .
1158                                                         "engine, but the existing database uses the $encExisting engine. This upgrade " .
1159                                                         "script can't convert it, so it will remain $encExisting.</li>\n";
1160                                                 $conf->setSchema( $conf->DBschema, $existingEngine );
1161                                         }
1162                                 }
1163
1164                                 # Create user if required
1165                                 if ( $conf->Root ) {
1166                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1167                                         if ( $conn->isOpen() ) {
1168                                                 print "<li>DB user account ok</li>\n";
1169                                                 $conn->close();
1170                                         } else {
1171                                                 print "<li>Granting user permissions...";
1172                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
1173                                                         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>";
1174                                                 }
1175                                                 print "</li>\n";
1176                                                 $wgDatabase->sourceFile( "../maintenance/users.sql" );
1177                                         }
1178                                 }
1179                         }
1180                         print "</ul><pre>\n";
1181                         chdir( ".." );
1182                         flush();
1183                         do_all_updates();
1184                         chdir( "config" );
1185                         print "</pre>\n";
1186                         print "<ul><li>Finished update checks.</li>\n";
1187                 } else {
1188                         # Determine available storage engines if possible
1189                         if ( $conf->DBtype == 'mysql' && version_compare( $myver, "4.1.2", "ge" ) ) {
1190                                 $res = $wgDatabase->query( 'SHOW ENGINES' );
1191                                 $found = false;
1192                                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
1193                                         if ( $row->Engine == $conf->DBengine && ( $row->Support == 'YES' || $row->Support == 'DEFAULT' ) ) {
1194                                                 $found = true;
1195                                                 break;
1196                                         }
1197                                 }
1198                                 $wgDatabase->freeResult( $res );
1199                                 if ( !$found && $conf->DBengine != 'MyISAM' ) {
1200                                         echo "<li><strong>Warning:</strong> " . htmlspecialchars( $conf->DBengine ) .
1201                                                 " storage engine not available, " .
1202                                                 "using MyISAM instead</li>\n";
1203                                         $conf->setSchema( $conf->DBschema, 'MyISAM' );
1204                                 }
1205                         }
1206
1207                         # FIXME: Check for errors
1208                         print "<li>Creating tables...";
1209                         if ($conf->DBtype == 'mysql') {
1210                                 $wgDatabase->sourceFile( "../maintenance/tables.sql" );
1211                                 $wgDatabase->sourceFile( "../maintenance/interwiki.sql" );
1212                         } elseif (is_callable(array($wgDatabase, 'setup_database'))) {
1213                                 $wgDatabase->setup_database();
1214                         }
1215                         else {
1216                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
1217                                 continue;
1218                         }
1219
1220                         print " done.</li>\n";
1221
1222                         print "<li>Initializing statistics...</li>\n";
1223                         $wgDatabase->insert( 'site_stats',
1224                                 array ( 'ss_row_id'        => 1,
1225                                                 'ss_total_views'   => 0,
1226                                                 'ss_total_edits'   => 1, # Main page first edit
1227                                                 'ss_good_articles' => 0, # Main page is not a good article - no internal link
1228                                                 'ss_total_pages'   => 1, # Main page
1229                                                 'ss_users'         => $conf->SysopName ? 1 : 0, # Sysop account, if created
1230                                                 'ss_admins'        => $conf->SysopName ? 1 : 0, # Sysop account, if created
1231                                                 'ss_images'        => 0 ) );
1232
1233                         # Set up the "regular user" account *if we can, and if we need to*
1234                         if( $conf->Root and $conf->DBtype == 'mysql') {
1235                                 # See if we need to
1236                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1237                                 if( $wgDatabase2->isOpen() ) {
1238                                         # Nope, just close the test connection and continue
1239                                         $wgDatabase2->close();
1240                                         echo( "<li>User " . htmlspecialchars( $wgDBuser ) . " exists. Skipping grants.</li>\n" );
1241                                 } else {
1242                                         # Yes, so run the grants
1243                                         echo( "<li>" . htmlspecialchars( "Granting user permissions to $wgDBuser on $wgDBname..." ) );
1244                                         $wgDatabase->sourceFile( "../maintenance/users.sql" );
1245                                         echo( "success.</li>\n" );
1246                                 }
1247                         }
1248
1249                         if( $conf->SysopName ) {
1250                                 $u = User::newFromName( $conf->getSysopName() );
1251                                 if ( !$u ) {
1252                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
1253                                 }
1254                                 else if ( 0 == $u->idForName() ) {
1255                                         $u->addToDatabase();
1256                                         $u->setPassword( $conf->getSysopPass() );
1257                                         $u->saveSettings();
1258
1259                                         $u->addGroup( "sysop" );
1260                                         $u->addGroup( "bureaucrat" );
1261
1262                                         print "<li>Created sysop account <tt>" .
1263                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
1264                                 } else {
1265                                         print "<li>Could not create user - already exists!</li>\n";
1266                                 }
1267                         } else {
1268                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
1269                         }
1270
1271                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1272                         $article = new Article( $titleobj );
1273                         $newid = $article->insertOn( $wgDatabase );
1274                         $revision = new Revision( array(
1275                                 'page'      => $newid,
1276                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1277                                 'comment'   => '',
1278                                 'user'      => 0,
1279                                 'user_text' => 'MediaWiki default',
1280                                 ) );
1281                         $revid = $revision->insertOn( $wgDatabase );
1282                         $article->updateRevisionOn( $wgDatabase, $revision );
1283                 }
1284                 // Now that all database work is done, make sure everything is committed
1285                 $wgDatabase->commit();
1286
1287                 /* Write out the config file now that all is well */
1288                 print "<li style=\"list-style: none\">\n";
1289                 print "<p>Creating LocalSettings.php...</p>\n\n";
1290                 $localSettings = "<" . "?php$endl$local";
1291                 // Fix up a common line-ending problem (due to CVS on Windows)
1292                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1293                 $f = fopen( "LocalSettings.php", 'xt' );
1294
1295                 if( $f == false ) {
1296                         print( "</li>\n" );
1297                         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" .
1298                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1299                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1300                 }
1301                 if(fwrite( $f, $localSettings ) ) {
1302                         fclose( $f );
1303                         print "<hr/>\n";
1304                         writeSuccessMessage();
1305                         print "</li>\n";
1306                 } else {
1307                         fclose( $f );
1308                         dieout( "<p class='error'>An error occured while writing the config/LocalSettings.php file. Check user rights and disk space then try again.</p></li>\n" );
1309                 }
1310
1311         } while( false );
1312 }
1313
1314 print "</ul>\n";
1315 $mainListOpened = false;
1316
1317 if( count( $errs ) ) {
1318         /* Display options form */
1319
1320         if( $conf->posted ) {
1321                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1322         }
1323 ?>
1324
1325 <form action="<?php echo defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php'; ?>" name="config" method="post">
1326
1327 <h2>Site config</h2>
1328
1329 <div class="config-section">
1330         <div class="config-input">
1331                 <?php aField( $conf, "Sitename", "Wiki name:" ); ?>
1332         </div>
1333         <p class="config-desc">
1334                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1335                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1336         </p>
1337         <div class="config-input"><?php aField( $conf, "EmergencyContact", "Contact e-mail:" ); ?></div>
1338         <p class="config-desc">
1339                 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.
1340         </p>
1341
1342         <div class="config-input">
1343                 <label class='column' for="LanguageCode">Language:</label>
1344                 <select id="LanguageCode" name="LanguageCode"><?php
1345                         $list = getLanguageList();
1346                         foreach( $list as $code => $name ) {
1347                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1348                                 $encCode = htmlspecialchars( $code );
1349                                 $encName = htmlspecialchars( $name );
1350                                 echo "\n\t\t<option value=\"$encCode\" $sel>$encName</option>";
1351                         }
1352                         echo "\n";
1353                 ?>
1354                 </select>
1355         </div>
1356         <p class="config-desc">
1357                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1358         </p>
1359
1360         <div class="config-input">
1361                 <label class='column'>Copyright/license:</label>
1362
1363                 <ul class="plain">
1364                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1365                 <li><?php aField( $conf, "License", "Public Domain", "radio", "pd" ); ?></li>
1366                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2", "radio", "gfdl1_2" ); ?></li>
1367                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.3", "radio", "gfdl1_3" ); ?></li>
1368                 <li><?php
1369                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1370                         $partner = "MediaWiki";
1371    $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1372                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/$script?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1373                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1374                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1375                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1376                         if( $conf->License == "cc" ) { ?>
1377                         <ul>
1378                         <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1379                         <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1380                         <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1381                         <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1382                         </ul>
1383                         <?php } ?>
1384                         </li>
1385                 </ul>
1386         </div>
1387         <p class="config-desc">
1388                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1389         </p>
1390
1391
1392         <div class="config-input">
1393                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1394         </div>
1395         <div class="config-input">
1396                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1397         </div>
1398         <div class="config-input">
1399                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1400         </div>
1401         <p class="config-desc">
1402                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1403                 A new account will be added only when creating a new wiki database.
1404                 <br /><br />
1405                 The password cannot be the same as the username.
1406         </p>
1407
1408         <div class="config-input">
1409                 <label class='column'>Object caching:</label>
1410
1411                 <ul class="plain">
1412                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1413                 <?php
1414                         if ( $conf->turck ) {
1415                                 echo "<li>";
1416                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1417                                 echo "</li>\n";
1418                         }
1419                         if( $conf->xcache ) {
1420                                 echo "<li>";
1421                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1422                                 echo "</li>\n";
1423                         }
1424                         if ( $conf->apc ) {
1425                                 echo "<li>";
1426                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1427                                 echo "</li>\n";
1428                         }
1429                         if ( $conf->eaccel ) {
1430                                 echo "<li>";
1431                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1432                                 echo "</li>\n";
1433                         }
1434                         if ( $conf->dba ) {
1435                                 echo "<li>";
1436                                 aField( $conf, "Shm", "DBA (not recommended)", "radio", "dba" );
1437                                 echo "</li>";
1438                         }
1439                 ?>
1440                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1441                 </ul>
1442                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1443         </div>
1444         <p class="config-desc">
1445                 An object caching system such as memcached will provide a significant performance boost,
1446                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1447                 <br /><br />
1448                 MediaWiki can also detect and support eAccelerator, Turck MMCache, APC, and XCache, but
1449                 these should not be used if the wiki will be running on multiple application servers.
1450                 <br/><br/>
1451                 DBA (Berkeley-style DB) is generally slower than using no cache at all, and is only
1452                 recommended for testing.
1453         </p>
1454 </div>
1455
1456 <h2>E-mail, e-mail notification and authentication setup</h2>
1457
1458 <div class="config-section">
1459         <div class="config-input">
1460                 <label class='column'>E-mail features (global):</label>
1461                 <ul class="plain">
1462                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1463                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1464                 </ul>
1465         </div>
1466         <p class="config-desc">
1467                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1468                 if sending mail doesn't work on your server.
1469         </p>
1470
1471         <div class="config-input">
1472                 <label class='column'>User-to-user e-mail:</label>
1473                 <ul class="plain">
1474                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1475                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1476                 </ul>
1477         </div>
1478         <p class="config-desc">
1479                 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.
1480         </p>
1481         <div class="config-input">
1482                 <label class='column'>E-mail notification about changes:</label>
1483                 <ul class="plain">
1484                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1485                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1486                 <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>
1487                 </ul>
1488         </div>
1489         <div class="config-desc">
1490                 <p>
1491                 For this feature to work, an e-mail address must be present for the user account, and the notification
1492                 options in the user's preferences must be enabled. Also note the
1493                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1494
1495                 <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>
1496         </div>
1497
1498         <div class="config-input">
1499                 <label class='column'>E-mail address authentication:</label>
1500                 <ul class="plain">
1501                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1502                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1503                 </ul>
1504         </div>
1505         <div class="config-desc">
1506                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1507                 change notification mails. Setting this option is <b>recommended</b> for public wikis because of potential abuse of the e-mail features above.</p>
1508         </div>
1509
1510 </div>
1511
1512 <h2>Database config</h2>
1513
1514 <div class="config-section">
1515 <div class="config-input">
1516         <label class='column'>Database type:</label>
1517 <?php
1518         if (isset($errs['DBpicktype'])) {
1519                 print "\t<span class='error'>" . htmlspecialchars( $errs['DBpicktype'] ) . "</span>\n";
1520         }
1521 ?>
1522         <ul class='plain'><?php
1523                 database_picker($conf);
1524         ?></ul>
1525         </div>
1526
1527         <div class="config-input" style="clear:left">
1528         <?php aField( $conf, "DBserver", "Database host:" ); ?>
1529         </div>
1530         <p class="config-desc">
1531                 If your database server isn't on your web server, enter the name or IP address here.
1532         </p>
1533
1534         <div class="config-input"><?php aField( $conf, "DBname", "Database name:" ); ?></div>
1535         <div class="config-input"><?php aField( $conf, "DBuser", "DB username:" ); ?></div>
1536         <div class="config-input"><?php aField( $conf, "DBpassword", "DB password:", "password" ); ?></div>
1537         <div class="config-input"><?php aField( $conf, "DBpassword2", "DB password confirm:", "password" ); ?></div>
1538         <p class="config-desc">
1539                 If you only have a single user account and database available,
1540                 enter those here. If you have database root access (see below)
1541                 you can specify new accounts/databases to be created. This account
1542                 will not be created if it pre-exists. If this is the case, ensure that it
1543                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1544         </p>
1545
1546         <div class="config-input">
1547                 <label class="column">Superuser account:</label>
1548                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?> />
1549                 &nbsp;<label for="useroot">Use superuser account</label>
1550                 <input type="checkbox" name="populateadmin" id="populateadmin" <?php if( $conf->populateadmin ) { ?>checked="checked" <?php } ?> />
1551                 &nbsp;<label for="populateadmin">Set as admin user for maintenance</label>
1552         </div>
1553         <div class="config-input"><?php aField( $conf, "RootUser", "Superuser name:", "text" ); ?></div>
1554         <div class="config-input"><?php aField( $conf, "RootPW", "Superuser password:", "password" ); ?></div>
1555
1556         <p class="config-desc">
1557                 If the database user specified above does not exist, or does not have access to create
1558                 the database (if needed) or tables within it, please check the box and provide details
1559                 of a superuser account, such as <strong>root</strong>, which does.
1560         </p>
1561
1562         <?php database_switcher('mysql'); ?>
1563         <div class="config-input"><?php aField( $conf, "DBprefix", "Database table prefix:" ); ?></div>
1564         <div class="config-desc">
1565                 <p>If you need to share one database between multiple wikis, or
1566                 between MediaWiki and another web application, you may choose to
1567                 add a prefix to all the table names to avoid conflicts.</p>
1568
1569                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1570         </div>
1571
1572         <div class="config-input"><label class="column">Storage Engine</label>
1573                 <div>Select one:</div>
1574                 <ul class="plain">
1575                 <li><?php aField( $conf, "DBengine", "InnoDB", "radio", "InnoDB" ); ?></li>
1576                 <li><?php aField( $conf, "DBengine", "MyISAM", "radio", "MyISAM" ); ?></li>
1577                 </ul>
1578         </div>
1579         <p class="config-desc">
1580                 InnoDB is best for public web installations, since it has good concurrency
1581                 support. MyISAM may be faster in single-user installations. MyISAM databases
1582                 tend to get corrupted more often than InnoDB databases.
1583         </p>
1584         <div class="config-input"><label class="column">Database character set</label>
1585                 <div>Select one:</div>
1586                 <ul class="plain">
1587                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1588                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1589                 <li><?php aField( $conf, "DBschema", "MySQL 4.0 backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1590                 </ul>
1591         </div>
1592         <p class="config-desc">
1593                 This option is ignored on upgrade, the same character set will be kept.
1594                 <br/><br/>
1595                 <b>WARNING:</b> If you use <b>backwards-compatible UTF-8</b> on MySQL 4.1+, and subsequently back up the database with <tt>mysqldump</tt>, it may destroy all non-ASCII characters, irreversibly corrupting your backups!.
1596                 <br/><br/>
1597                 In <b>binary mode</b>, MediaWiki stores UTF-8 text to the database in binary fields. This is more efficient than MySQL's UTF-8 mode, and allows you to use the full range of Unicode characters. In <b>UTF-8 mode</b>, MySQL will know what character set your data is in, and can present and convert it appropriately, but it won't let you store characters above the <a target="_blank" href="http://en.wikipedia.org/wiki/Mapping_of_Unicode_character_planes">Basic Multilingual Plane</a>.
1598         </p>
1599         </fieldset>
1600
1601         <?php database_switcher('postgres'); ?>
1602         <div class="config-input"><?php aField( $conf, "DBport", "Database port:" ); ?></div>
1603         <div class="config-input"><?php aField( $conf, "DBmwschema", "Schema for mediawiki:" ); ?></div>
1604         <div class="config-input"><?php aField( $conf, "DBts2schema", "Schema for tsearch2:" ); ?></div>
1605         <div class="config-desc">
1606                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1607                 so it is recommended that you create a new user. The above schemas are generally correct:
1608         only change them if you are sure you need to.</p>
1609         </div>
1610         </fieldset>
1611
1612         <?php database_switcher('sqlite'); ?>
1613         <div class="config-desc">
1614                 <b>NOTE:</b> SQLite only uses the <i>Database name</i> setting above, the user, password and root settings are ignored.
1615         </div>
1616         <div class="config-input"><?php
1617                 aField( $conf, "SQLiteDataDir", "SQLite data directory:" );
1618         ?></div>
1619         <div class="config-desc">
1620                 <p>SQLite stores table data into files in the filesystem.
1621                 If you do not provide an explicit path, a "data" directory in
1622                 the parent of your document root will be used.</p>
1623
1624                 <p>This directory must exist and be writable by the web server.</p>
1625         </div>
1626         </fieldset>
1627
1628         <?php database_switcher('mssql'); ?>
1629         <div class="config-input"><?php
1630                 aField( $conf, "DBprefix2", "Database table prefix:" );
1631         ?></div>
1632         <div class="config-desc">
1633                 <p>If you need to share one database between multiple wikis, or
1634                 between MediaWiki and another web application, you may choose to
1635                 add a prefix to all the table names to avoid conflicts.</p>
1636
1637                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1638         </div>
1639         </fieldset>
1640
1641         <?php database_switcher('ibm_db2'); ?>
1642         <div class="config-input"><?php
1643                 aField( $conf, "DBport_db2", "Database port:" );
1644         ?></div>
1645         <div class="config-input"><?php
1646                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1647         ?></div>
1648         <div>Select one:</div>
1649                 <ul class="plain">
1650                 <li><?php aField( $conf, "DBcataloged", "Cataloged (DB2 installed locally)", "radio", "cataloged" ); ?></li>
1651                 <li><?php aField( $conf, "DBcataloged", "Uncataloged (remote DB2 through ODBC)", "radio", "uncataloged" ); ?></li>
1652                 </ul>
1653         <div class="config-desc">
1654                 <p>If you need to share one database between multiple wikis, or
1655                 between MediaWiki and another web application, you may specify
1656                 a different schema to avoid conflicts.</p>
1657         </div>
1658         </fieldset>
1659
1660         <?php database_switcher('oracle'); ?>
1661         <div class="config-input"><?php aField( $conf, "DBprefix_ora", "Database table prefix:" ); ?></div>
1662         <div class="config-desc">
1663                 <p>If you need to share one database between multiple wikis, or
1664                 between MediaWiki and another web application, you may choose to
1665                 add a prefix to all the table names to avoid conflicts.</p>
1666
1667                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1668         </div>
1669         <div class="config-input"><?php aField( $conf, "DBdefTS_ora", "Default tablespace:" ); ?></div>
1670         <div class="config-input"><?php aField( $conf, "DBtempTS_ora", "Temporary tablespace:" ); ?></div>
1671         </fieldset>
1672
1673         <div class="config-input" style="padding:2em 0 3em">
1674                 <label class='column'>&nbsp;</label>
1675                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1676         </div>
1677 </div>
1678 </form>
1679 <script type="text/javascript">
1680 window.onload = toggleDBarea( <?php echo Xml::encodeJsVar( $conf->DBtype ); ?>,
1681 <?php
1682         ## If they passed in a root user name, don't populate it on page load
1683         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1684 ?>);
1685 </script>
1686 <?php
1687 }
1688
1689 /* -------------------------------------------------------------------------------------- */
1690 function writeSuccessMessage() {
1691  $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1692         if ( wfIniGetBool( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1693                 echo <<<EOT
1694 <div class="success-box">
1695 <p>Installation successful!</p>
1696 <p>To complete the installation, please do the following:
1697 <ol>
1698         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1699         <li>Upload it to the parent directory</li>
1700         <li>Delete config/LocalSettings.php</li>
1701         <li>Start using <a href='../$script'>your wiki</a>!
1702 </ol>
1703 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1704 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1705 which means that anyone on the same server can read your database password! Downloading
1706 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1707 </div>
1708 EOT;
1709         } else {
1710                 echo <<<EOT
1711 <div class="success-box">
1712 <p>
1713 <span class="success-message">Installation successful!</span>
1714 Move the <tt>config/LocalSettings.php</tt> file to the parent directory, then follow
1715 <a href="../$script"> this link</a> to your wiki.</p>
1716 <p>You should change file permissions for <tt>LocalSettings.php</tt> as required to
1717 prevent other users on the server reading passwords and altering configuration data.</p>
1718 </div>
1719 EOT;
1720         }
1721 }
1722
1723
1724 function escapePhpString( $string ) {
1725         if ( is_array( $string ) || is_object( $string ) ) {
1726                 return false;
1727         }
1728         return strtr( $string,
1729                 array(
1730                         "\n" => "\\n",
1731                         "\r" => "\\r",
1732                         "\t" => "\\t",
1733                         "\\" => "\\\\",
1734                         "\$" => "\\\$",
1735                         "\"" => "\\\""
1736                 ));
1737 }
1738
1739 function writeLocalSettings( $conf ) {
1740         $conf->PasswordSender = $conf->EmergencyContact;
1741         $magic = ($conf->ImageMagick ? "" : "# ");
1742         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1743         $rights = ($conf->RightsUrl) ? "" : "# ";
1744         $hashedUploads = $conf->safeMode ? '' : '# ';
1745
1746         if ( $conf->ShellLocale ) {
1747                 $locale = '';
1748         } else {
1749                 $locale = '# ';
1750                 $conf->ShellLocale = 'en_US.UTF-8';
1751         }
1752
1753         switch ( $conf->Shm ) {
1754                 case 'memcached':
1755                         $cacheType = 'CACHE_MEMCACHED';
1756                         $mcservers = var_export( $conf->MCServerArray, true );
1757                         break;
1758                 case 'turck':
1759                 case 'xcache':
1760                 case 'apc':
1761                 case 'eaccel':
1762                         $cacheType = 'CACHE_ACCEL';
1763                         $mcservers = 'array()';
1764                         break;
1765                 case 'dba':
1766                         $cacheType = 'CACHE_DBA';
1767                         $mcservers = 'array()';
1768                         break;
1769                 default:
1770                         $cacheType = 'CACHE_NONE';
1771                         $mcservers = 'array()';
1772         }
1773
1774         if ( $conf->Email == 'email_enabled' ) {
1775                 $enableemail = 'true';
1776                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1777                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1778                 switch ( $conf->Enotif ) {
1779                         case 'enotif_usertalk':
1780                                 $enotifusertalk = 'true';
1781                                 $enotifwatchlist = 'false';
1782                                 break;
1783                         case 'enotif_allpages':
1784                                 $enotifusertalk = 'true';
1785                                 $enotifwatchlist = 'true';
1786                                 break;
1787                         default:
1788                                 $enotifusertalk = 'false';
1789                                 $enotifwatchlist = 'false';
1790                 }
1791         } else {
1792                 $enableuseremail = 'false';
1793                 $enableemail = 'false';
1794                 $eauthent = 'false';
1795                 $enotifusertalk = 'false';
1796                 $enotifwatchlist = 'false';
1797         }
1798
1799         $file = @fopen( "/dev/urandom", "r" );
1800         if ( $file ) {
1801                 $secretKey = bin2hex( fread( $file, 32 ) );
1802                 fclose( $file );
1803         } else {
1804                 $secretKey = "";
1805                 for ( $i=0; $i<8; $i++ ) {
1806                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1807                 }
1808                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1809         }
1810
1811         # Add slashes to strings for double quoting
1812         $slconf = wfArrayMap( "escapePhpString", get_object_vars( $conf ) );
1813         if( $conf->License == 'gfdl1_2' || $conf->License == 'pd' || $conf->License == 'gfdl1_3' ) {
1814                 # Needs literal string interpolation for the current style path
1815                 $slconf['RightsIcon'] = $conf->RightsIcon;
1816         }
1817
1818         if( $conf->populateadmin ) {
1819                 $slconf['DBadminuser'] = $conf->RootUser;
1820                 $slconf['DBadminpassword'] = $conf->RootPW;
1821         }
1822
1823         if( $conf->DBtype == 'mysql' ) {
1824                 $dbsettings =
1825 "# MySQL specific settings
1826 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1827
1828 # MySQL table options to use during installation or update
1829 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1830
1831 # Experimental charset support for MySQL 4.1/5.0.
1832 \$wgDBmysql5 = {$conf->DBmysql5};";
1833         } elseif( $conf->DBtype == 'postgres' ) {
1834                 $dbsettings =
1835 "# Postgres specific settings
1836 \$wgDBport           = \"{$slconf['DBport']}\";
1837 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1838 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";";
1839         } elseif( $conf->DBtype == 'sqlite' ) {
1840                 $dbsettings =
1841 "# SQLite-specific settings
1842 \$wgSQLiteDataDir    = \"{$slconf['SQLiteDataDir']}\";";
1843         } elseif( $conf->DBtype == 'mssql' ) {
1844                 $dbsettings =
1845 "# MSSQL specific settings
1846 \$wgDBprefix         = \"{$slconf['DBprefix2']}\";";
1847         } elseif( $conf->DBtype == 'ibm_db2' ) {
1848                 $dbsettings =
1849 "# DB2 specific settings
1850 \$wgDBport_db2       = \"{$slconf['DBport_db2']}\";
1851 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1852 \$wgDBcataloged      = \"{$slconf['DBcataloged']}\";";
1853         } elseif( $conf->DBtype == 'oracle' ) {
1854                 $dbsettings =
1855 "# Oracle specific settings
1856 \$wgDBprefix         = \"{$slconf['DBprefix']}\";";
1857         } else {
1858                 // ummm... :D
1859                 $dbsettings = '';
1860         }
1861
1862
1863         $localsettings = "
1864 # This file was automatically generated by the MediaWiki installer.
1865 # If you make manual changes, please keep track in case you need to
1866 # recreate them later.
1867 #
1868 # See includes/DefaultSettings.php for all configurable settings
1869 # and their default values, but don't forget to make changes in _this_
1870 # file, not there.
1871 #
1872 # Further documentation for configuration settings may be found at:
1873 # http://www.mediawiki.org/wiki/Manual:Configuration_settings
1874
1875 # If you customize your file layout, set \$IP to the directory that contains
1876 # the other MediaWiki files. It will be used as a base to locate files.
1877 if( defined( 'MW_INSTALL_PATH' ) ) {
1878         \$IP = MW_INSTALL_PATH;
1879 } else {
1880         \$IP = dirname( __FILE__ );
1881 }
1882
1883 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1884 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1885
1886 require_once( \"\$IP/includes/DefaultSettings.php\" );
1887
1888 if ( \$wgCommandLineMode ) {
1889         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1890                 die( \"This script must be run from the command line\\n\" );
1891         }
1892 }
1893 ## Uncomment this to disable output compression
1894 # \$wgDisableOutputCompression = true;
1895
1896 \$wgSitename         = \"{$slconf['Sitename']}\";
1897
1898 ## The URL base path to the directory containing the wiki;
1899 ## defaults for all runtime URL paths are based off of this.
1900 ## For more information on customizing the URLs please see:
1901 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1902 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1903 \$wgScriptExtension  = \"{$slconf['ScriptExtension']}\";
1904
1905 ## UPO means: this is also a user preference option
1906
1907 \$wgEnableEmail      = $enableemail;
1908 \$wgEnableUserEmail  = $enableuseremail; # UPO
1909
1910 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1911 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1912
1913 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1914 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1915 \$wgEmailAuthentication = $eauthent;
1916
1917 ## Database settings
1918 \$wgDBtype           = \"{$slconf['DBtype']}\";
1919 \$wgDBserver         = \"{$slconf['DBserver']}\";
1920 \$wgDBname           = \"{$slconf['DBname']}\";
1921 \$wgDBuser           = \"{$slconf['DBuser']}\";
1922 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1923
1924 {$dbsettings}
1925
1926 ## Database admin settings, used for maintenance scripts
1927 \$wgDBadminuser     = \"". ($conf->populateadmin ? $slconf['DBadminuser'] : '' )."\";
1928 \$wgDBadminpassword     = \"". ($conf->populateadmin ? $slconf['DBadminpassword'] : '' )."\";
1929
1930 ## Shared memory settings
1931 \$wgMainCacheType = $cacheType;
1932 \$wgMemCachedServers = $mcservers;
1933
1934 ## To enable image uploads, make sure the 'images' directory
1935 ## is writable, then set this to true:
1936 \$wgEnableUploads       = false;
1937 {$magic}\$wgUseImageMagick = true;
1938 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1939
1940 ## If you use ImageMagick (or any other shell command) on a
1941 ## Linux server, this will need to be set to the name of an
1942 ## available UTF-8 locale
1943 {$locale}\$wgShellLocale = \"{$slconf['ShellLocale']}\";
1944
1945 ## If you want to use image uploads under safe mode,
1946 ## create the directories images/archive, images/thumb and
1947 ## images/temp, and make them all writable. Then uncomment
1948 ## this, if it's not already uncommented:
1949 {$hashedUploads}\$wgHashedUploadDirectory = false;
1950
1951 ## If you have the appropriate support software installed
1952 ## you can enable inline LaTeX equations:
1953 \$wgUseTeX           = false;
1954
1955 ## Set \$wgCacheDirectory to a writable directory on the web server
1956 ## to make your wiki go slightly faster. The directory should not
1957 ## be publically accessible from the web.
1958 #\$wgCacheDirectory = \"\$IP/cache\";
1959
1960 \$wgLocalInterwiki   = strtolower( \$wgSitename );
1961
1962 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1963
1964 \$wgSecretKey = \"$secretKey\";
1965
1966 ## Default skin: you can change the default skin. Use the internal symbolic
1967 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1968 \$wgDefaultSkin = 'monobook';
1969
1970 ## For attaching licensing metadata to pages, and displaying an
1971 ## appropriate copyright notice / icon. GNU Free Documentation
1972 ## License and Creative Commons licenses are supported so far.
1973 {$rights}\$wgEnableCreativeCommonsRdf = true;
1974 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1975 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1976 \$wgRightsText = \"{$slconf['RightsText']}\";
1977 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1978 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1979
1980 \$wgDiff3 = \"{$slconf['diff3']}\";
1981
1982 \$wgPhpCliPath = \"{$slconf['phpCliPath']}\";
1983
1984 # When you make changes to this configuration file, this will make
1985 # sure that cached pages are cleared.
1986 \$wgCacheEpoch = max( \$wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
1987 "; ## End of setting the $localsettings string
1988
1989         // Keep things in Unix line endings internally;
1990         // the system will write out as local text type.
1991         return str_replace( "\r\n", "\n", $localsettings );
1992 }
1993
1994 function dieout( $text ) {
1995         global $mainListOpened;
1996         if( $mainListOpened ) echo( "</ul>" );
1997         if( $text != '' && substr( $text, 0, 2 ) != '<p'  && substr( $text, 0, 2 ) != '<h' ){
1998                 echo "<p>$text</p>\n";
1999         } else {
2000                 echo $text;
2001         }
2002         die( "\n\n</div>\n</div>\n</div>\n</div>\n</body>\n</html>" );
2003 }
2004
2005 function importVar( &$var, $name, $default = "" ) {
2006         if( isset( $var[$name] ) ) {
2007                 $retval = $var[$name];
2008                 if ( get_magic_quotes_gpc() ) {
2009                         $retval = stripslashes( $retval );
2010                 }
2011         } else {
2012                 $retval = $default;
2013         }
2014         taint( $retval );
2015         return $retval;
2016 }
2017
2018 function importPost( $name, $default = "" ) {
2019         return importVar( $_POST, $name, $default );
2020 }
2021
2022 function importCheck( $name ) {
2023         return isset( $_POST[$name] );
2024 }
2025
2026 function importRequest( $name, $default = "" ) {
2027         return importVar( $_REQUEST, $name, $default );
2028 }
2029
2030 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
2031         static $radioCount = 0;
2032         if( $type != "" ) {
2033                 $xtype = "type=\"$type\"";
2034         } else {
2035                 $xtype = "";
2036         }
2037
2038         $id = $field;
2039         $nolabel = ($type == "radio") || ($type == "hidden");
2040
2041         if ($type == 'radio')
2042                 $id .= $radioCount++;
2043
2044         if( !$nolabel ) {
2045                 echo "<label class='column' for=\"$id\">$text</label>";
2046         }
2047
2048         if( $type == "radio" && $value == $conf->$field ) {
2049                 $checked = "checked='checked'";
2050         } else {
2051                 $checked = "";
2052         }
2053         echo "<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
2054         if ($onclick) {
2055                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
2056         }
2057         echo "value=\"";
2058         if( $type == "radio" ) {
2059                 echo htmlspecialchars( $value );
2060         } else {
2061                 echo htmlspecialchars( $conf->$field );
2062         }
2063
2064
2065         echo "\" />";
2066         if( $nolabel ) {
2067                 echo "<label for=\"$id\">$text</label>";
2068         }
2069
2070         global $errs;
2071         if(isset($errs[$field])) {
2072                 echo "<span class='error'>" . htmlspecialchars( $errs[$field] ) . "</span>\n";
2073         }
2074 }
2075
2076 function getLanguageList() {
2077         global $wgLanguageNames, $IP;
2078         if( !isset( $wgLanguageNames ) ) {
2079                 require_once( "$IP/languages/Names.php" );
2080         }
2081
2082         $codes = array();
2083
2084         $d = opendir( "../languages/messages" );
2085         /* In case we are called from the root directory */
2086         if (!$d)
2087                 $d = opendir( "languages/messages");
2088         while( false !== ($f = readdir( $d ) ) ) {
2089                 $m = array();
2090                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
2091                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
2092                         if( isset( $wgLanguageNames[$code] ) ) {
2093                                 $name = wfBCP47( $code ) . ' - ' . $wgLanguageNames[$code];
2094                         } else {
2095                                 $name = $code;
2096                         }
2097                         $codes[$code] = $name;
2098                 }
2099         }
2100         closedir( $d );
2101         ksort( $codes );
2102         return $codes;
2103 }
2104
2105 #Check for location of an executable
2106 # @param string $loc single location to check
2107 # @param array $names filenames to check for.
2108 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
2109 function locate_executable($loc, $names, $versioninfo = false) {
2110         if (!is_array($names))
2111                 $names = array($names);
2112
2113         foreach ($names as $name) {
2114                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
2115                 if (@file_exists($command)) {
2116                         if (!$versioninfo)
2117                                 return $command;
2118
2119                         $file = str_replace('$1', $command, $versioninfo[0]);
2120                         if (strstr(`$file`, $versioninfo[1]) !== false)
2121                                 return $command;
2122                 }
2123         }
2124         return false;
2125 }
2126
2127 # Test a memcached server
2128 function testMemcachedServer( $server ) {
2129         $hostport = explode(":", $server);
2130         $errstr = false;
2131         $fp = false;
2132         if ( !function_exists( 'fsockopen' ) ) {
2133                 $errstr = "Can't connect to memcached, fsockopen() not present";
2134         }
2135         if ( !$errstr && count( $hostport ) != 2 ) {
2136                 $errstr = 'Please specify host and port';
2137         }
2138         if ( !$errstr ) {
2139                 list( $host, $port ) = $hostport;
2140                 $errno = 0;
2141                 $fsockerr = '';
2142
2143                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
2144                 if ( $fp === false ) {
2145                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
2146                 }
2147         }
2148         if ( !$errstr ) {
2149                 $command = "version\r\n";
2150                 $bytes = fwrite( $fp, $command );
2151                 if ( $bytes != strlen( $command ) ) {
2152                         $errstr = "Cannot write to memcached socket on $host:$port";
2153                 }
2154         }
2155         if ( !$errstr ) {
2156                 $expected = "VERSION ";
2157                 $response = fread( $fp, strlen( $expected ) );
2158                 if ( $response != $expected ) {
2159                         $errstr = "Didn't get correct memcached response from $host:$port";
2160                 }
2161         }
2162         if ( $fp ) {
2163                 fclose( $fp );
2164         }
2165         if ( !$errstr ) {
2166                 echo "<li>Connected to memcached on " . htmlspecialchars( "$host:$port" ) ." successfully</li>";
2167         }
2168         return $errstr;
2169 }
2170
2171 function database_picker($conf) {
2172         global $ourdb;
2173         print "\n";
2174         foreach(array_keys($ourdb) as $db) {
2175                 if ($ourdb[$db]['havedriver']) {
2176                         print "\t<li>";
2177                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
2178                         print "</li>\n";
2179                 }
2180         }
2181         print "\n\t";
2182 }
2183
2184 function database_switcher($db) {
2185         global $ourdb;
2186         $color = $ourdb[$db]['bgcolor'];
2187         $full = $ourdb[$db]['fullname'];
2188         print "<fieldset id='$db'><legend>$full specific options</legend>\n";
2189 }
2190
2191 function printListItem( $item ) {
2192         print "<li>$item</li>";
2193 }
2194
2195 # Determine a suitable value for $wgShellLocale
2196 function getShellLocale( $wikiLang ) {
2197         # Give up now if we're in safe mode or open_basedir
2198         # It's theoretically possible but tricky to work with
2199         if ( wfIniGetBool( "safe_mode" ) || ini_get( 'open_basedir' ) ) {
2200                 return false;
2201         }
2202
2203         $os = php_uname( 's' );
2204         $supported = array( 'Linux', 'SunOS', 'HP-UX' ); # Tested these
2205         if ( !in_array( $os, $supported ) ) {
2206                 return false;
2207         }
2208
2209         # Get a list of available locales
2210         $lines = $ret = false;
2211         exec( '/usr/bin/locale -a', $lines, $ret );
2212         if ( $ret ) {
2213                 return false;
2214         }
2215
2216         $lines = wfArrayMap( 'trim', $lines );
2217         $candidatesByLocale = array();
2218         $candidatesByLang = array();
2219         foreach ( $lines as $line ) {
2220                 if ( $line === '' ) {
2221                         continue;
2222                 }
2223                 if ( !preg_match( '/^([a-zA-Z]+)(_[a-zA-Z]+|)\.(utf8|UTF-8)(@[a-zA-Z_]*|)$/i', $line, $m ) ) {
2224                         continue;
2225                 }
2226                 list( $all, $lang, $territory, $charset, $modifier ) = $m;
2227                 $candidatesByLocale[$m[0]] = $m;
2228                 $candidatesByLang[$lang][] = $m;
2229         }
2230
2231         # Try the current value of LANG
2232         if ( isset( $candidatesByLocale[ getenv( 'LANG' ) ] ) ) {
2233                 return getenv( 'LANG' );
2234         }
2235
2236         # Try the most common ones
2237         $commonLocales = array( 'en_US.UTF-8', 'en_US.utf8', 'de_DE.UTF-8', 'de_DE.utf8' );
2238         foreach ( $commonLocales as $commonLocale ) {
2239                 if ( isset( $candidatesByLocale[$commonLocale] ) ) {
2240                         return $commonLocale;
2241                 }
2242         }
2243
2244         # Is there an available locale in the Wiki's language?
2245         if ( isset( $candidatesByLang[$wikiLang] ) ) {
2246                 $m = reset( $candidatesByLang[$wikiLang] );
2247                 return $m[0];
2248         }
2249
2250         # Are there any at all?
2251         if ( count( $candidatesByLocale ) ) {
2252                 $m = reset( $candidatesByLocale );
2253                 return $m[0];
2254         }
2255
2256         # Give up
2257         return false;
2258 }
2259
2260 function wfArrayMap( $function, $input ) {
2261         $ret = array_map( $function, $input );
2262         foreach ( $ret as $key => $value ) {
2263                 $taint = istainted( $input[$key] );
2264                 if ( $taint ) {
2265                         taint( $ret[$key], $taint );
2266                 }
2267         }
2268         return $ret;
2269 }
2270
2271 ?>
2272
2273         <div class="license">
2274         <hr/>
2275         <p>This program is free software; you can redistribute it and/or modify
2276          it under the terms of the GNU General Public License as published by
2277          the Free Software Foundation; either version 2 of the License, or
2278          (at your option) any later version.</p>
2279
2280          <p>This program is distributed in the hope that it will be useful,
2281          but WITHOUT ANY WARRANTY; without even the implied warranty of
2282          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2283          GNU General Public License for more details.</p>
2284
2285          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
2286          along with this program; if not, write to the Free Software
2287          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
2288          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
2289         </div>
2290
2291 </div></div></div>
2292
2293
2294 <div id="column-one">
2295         <div class="portlet" id="p-logo">
2296           <a style="background-image: url(../skins/common/images/mediawiki.png);"
2297             href="../"
2298             title="Main Page"></a>
2299         </div>
2300         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
2301         <div class='portlet'><div class='pBody'>
2302                 <ul>
2303                         <li><a href="../README">Readme</a></li>
2304                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
2305                         <li><a href="../docs/">Documentation</a></li>
2306                         <li><a href="http://www.mediawiki.org/wiki/Help:Contents">User's Guide</a></li>
2307                         <li><a href="http://www.mediawiki.org/wiki/Manual:Contents">Administrator's Guide</a></li>
2308                         <li><a href="http://www.mediawiki.org/wiki/Manual:FAQ">FAQ</a></li>
2309                 </ul>
2310                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright © 2001-2009 by Magnus Manske, Brion Vibber,
2311                  Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström,
2312                  Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz and others.</p>
2313         </div></div>
2314 </div>
2315
2316 </div>
2317
2318 </body>
2319 </html>