config/index.php

   1 <?php
   2
   3 # MediaWiki web-based config/installation
   4 # Copyright (C) 2004 Brion Vibber <brion@pobox.com>, 2006 Rob Church <robchur@gmail.com>
   5 # http://www.mediawiki.org/
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with this program; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20 # http://www.gnu.org/copyleft/gpl.html
  21
  22 error_reporting( E_ALL );
  23 header( "Content-type: text/html; charset=utf-8" );
  24 @ini_set( "display_errors", true );
  25
  26 # In case of errors, let output be clean.
  27 $wgRequestTime = microtime( true );
  28
  29 # Attempt to set up the include path, to fix problems with relative includes
  30 $IP = dirname( dirname( __FILE__ ) );
  31 define( 'MW_INSTALL_PATH', $IP );
  32 $sep = PATH_SEPARATOR;
  33 if( !ini_set( "include_path", ".$sep$IP$sep$IP/includes$sep$IP/languages" ) ) {
  34         set_include_path( ".$sep$IP$sep$IP/includes$sep$IP/languages" );
  35 }
  36
  37 # Define an entry point and include some files
  38 define( "MEDIAWIKI", true );
  39 define( "MEDIAWIKI_INSTALL", true );
  40
  41 // Run version checks before including other files
  42 // so people don't see a scary parse error.
  43 require_once( "install-utils.inc" );
  44 install_version_checks();
  45
  46 require_once( "includes/Defines.php" );
  47 require_once( "includes/DefaultSettings.php" );
  48 require_once( "includes/AutoLoader.php" );
  49 require_once( "includes/MagicWord.php" );
  50 require_once( "includes/Namespace.php" );
  51 require_once( "includes/ProfilerStub.php" );
  52 require_once( "includes/GlobalFunctions.php" );
  53 require_once( "includes/Hooks.php" );
  54
  55 # If we get an exception, the user needs to know
  56 # all the details
  57 $wgShowExceptionDetails = true;
  58
  59 ## Databases we support:
  60
  61 $ourdb = array();
  62 $ourdb['mysql']['fullname']      = 'MySQL';
  63 $ourdb['mysql']['havedriver']    = 0;
  64 $ourdb['mysql']['compile']       = 'mysql';
  65 $ourdb['mysql']['bgcolor']       = '#ffe5a7';
  66 $ourdb['mysql']['rootuser']      = 'root';
  67
  68 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  69 $ourdb['postgres']['havedriver'] = 0;
  70 $ourdb['postgres']['compile']    = 'pgsql';
  71 $ourdb['postgres']['bgcolor']    = '#aaccff';
  72 $ourdb['postgres']['rootuser']   = 'postgres';
  73
  74 ?>
  75 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  76 <html>
  77 <head>
  78         <meta http-equiv="Content-type" content="text/html; charset=utf-8">
  79         <title>MediaWiki <?php echo( $wgVersion ); ?> Installation</title>
  80         <style type="text/css">
  81
  82                 @import "../skins/monobook/main.css";
  83
  84                 .env-check {
  85                         font-size: 90%;
  86                         margin: 1em 0 1em 2.5em;
  87                 }
  88
  89                 .config-section {
  90                         margin-top: 2em;
  91                 }
  92
  93                 .config-section label.column {
  94                         clear: left;
  95                         font-weight: bold;
  96                         width: 13em;
  97                         float: left;
  98                         text-align: right;
  99                         padding-right: 1em;
 100                         padding-top: .2em;
 101                 }
 102
 103                 .config-input {
 104                         clear: left;
 105                         zoom: 100%; /* IE hack */
 106                 }
 107
 108                 .config-section .config-desc {
 109                         clear: left;
 110                         margin: 0 0 2em 18em;
 111                         padding-top: 1em;
 112                         font-size: 85%;
 113                 }
 114
 115                 .iput-text, .iput-password {
 116                         width: 14em;
 117                         margin-right: 1em;
 118                 }
 119
 120                 .error {
 121                         color: red;
 122                         background-color: #fff;
 123                         font-weight: bold;
 124                         left: 1em;
 125                         font-size: 100%;
 126                 }
 127
 128                 .error-top {
 129                         color: red;
 130                         background-color: #FFF0F0;
 131                         border: 2px solid red;
 132                         font-size: 130%;
 133                         font-weight: bold;
 134                         padding: 1em 1.5em;
 135                         margin: 2em 0 1em;
 136                 }
 137
 138                 ul.plain {
 139                         list-style-type: none;
 140                         list-style-image: none;
 141                         float: left;
 142                         margin: 0;
 143                         padding: 0;
 144                 }
 145
 146                 .btn-install {
 147                         font-weight: bold;
 148                         font-size: 110%;
 149                         padding: .2em .3em;
 150                 }
 151
 152                 .license {
 153                         font-size: 85%;
 154                         padding-top: 3em;
 155                 }
 156
 157                 span.success-message {
 158                         font-weight: bold;
 159                         font-size: 110%;
 160                         color: green;
 161                 }
 162
 163         </style>
 164         <script type="text/javascript">
 165         <!--
 166         function hideall() {
 167                 <?php foreach (array_keys($ourdb) as $db) {
 168                 echo "\n                document.getElementById('$db').style.display='none';";
 169                 }
 170                 ?>
 171
 172         }
 173         function toggleDBarea(id,defaultroot) {
 174                 hideall();
 175                 var dbarea = document.getElementById(id).style;
 176                 dbarea.display = (dbarea.display == 'none') ? 'block' : 'none';
 177                 var db = document.getElementById('RootUser');
 178                 if (defaultroot) {
 179 <?php foreach (array_keys($ourdb) as $db) {
 180                         echo "                  if (id == '$db') { db.value = '".$ourdb[$db]['rootuser']."';}\n";
 181 }?>
 182                 }
 183         }
 184         // -->
 185         </script>
 186 </head>
 187
 188 <body>
 189 <div id="globalWrapper">
 190 <div id="column-content">
 191 <div id="content">
 192 <div id="bodyContent">
 193
 194 <h1>MediaWiki <?php print $wgVersion ?> Installation</h1>
 195
 196 <?php
 197
 198 /* Check for existing configurations and bug out! */
 199
 200 if( file_exists( "../LocalSettings.php" ) ) {
 201         dieout( "<p><strong>Setup has completed, <a href='../index.php'>your wiki</a> is configured.</strong></p>
 202
 203         <p>Please delete the /config directory for extra security.</p></div></div></div></div>" );
 204 }
 205
 206 if( file_exists( "./LocalSettings.php" ) ) {
 207         writeSuccessMessage();
 208
 209         dieout( '' );
 210 }
 211
 212 if( !is_writable( "." ) ) {
 213         dieout( "<h2>Can't write config file, aborting</h2>
 214
 215         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 216         writable by the web server. Once configuration is done you'll move the created
 217         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 218         then remove the <tt>config</tt> subdirectory entirely.</p>
 219
 220         <p>To make the directory writable on a Unix/Linux system:</p>
 221
 222         <pre>
 223         cd <i>/path/to/wiki</i>
 224         chmod a+w config
 225         </pre>
 226
 227         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 228 }
 229
 230
 231 require_once( "install-utils.inc" );
 232 require_once( "maintenance/updaters.inc" );
 233
 234 class ConfigData {
 235         function getEncoded( $data ) {
 236                 # removing latin1 support, no need...
 237                 return $data;
 238         }
 239         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 240         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 241         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 242
 243         function setSchema( $schema ) {
 244                 $this->DBschema = $schema;
 245                 switch ( $this->DBschema ) {
 246                         case 'mysql5':
 247                                 $this->DBTableOptions = 'ENGINE=InnoDB, DEFAULT CHARSET=utf8';
 248                                 $this->DBmysql5 = 'true';
 249                                 break;
 250                         case 'mysql5-binary':
 251                                 $this->DBTableOptions = 'ENGINE=InnoDB, DEFAULT CHARSET=binary';
 252                                 $this->DBmysql5 = 'true';
 253                                 break;
 254                         default:
 255                                 $this->DBTableOptions = 'TYPE=InnoDB';
 256                                 $this->DBmysql5 = 'false';
 257                 }
 258                 # Set the global for use during install
 259                 global $wgDBTableOptions;
 260                 $wgDBTableOptions = $this->DBTableOptions;
 261         }
 262 }
 263
 264 ?>
 265
 266 <ul>
 267         <li>
 268                 <b>Don't forget security updates!</b> Keep an eye on the
 269                 <a href="http://mail.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 270                 release announcements mailing list</a>.
 271         </li>
 272 </ul>
 273
 274
 275 <h2>Checking environment...</h2>
 276 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 277 <ul class="env-check">
 278 <?php
 279 $endl = "
 280 ";
 281 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 282 $conf = new ConfigData;
 283
 284 install_version_checks();
 285 $self = 'Installer'; # Maintenance script name, to please Setup.php
 286
 287 print "<li>PHP " . phpversion() . " installed</li>\n";
 288
 289 error_reporting( 0 );
 290 $phpdatabases = array();
 291 foreach (array_keys($ourdb) as $db) {
 292         $compname = $ourdb[$db]['compile'];
 293         if (extension_loaded($compname) or dl($compname . '.' . PHP_SHLIB_SUFFIX)) {
 294                 array_push($phpdatabases, $db);
 295                 $ourdb[$db]['havedriver'] = 1;
 296         }
 297 }
 298 error_reporting( E_ALL );
 299
 300 if (!$phpdatabases) {
 301         print "Could not find a suitable database driver!<ul>";
 302         foreach (array_keys($ourdb) AS $db) {
 303                 $comp = $ourdb[$db]['compile'];
 304                 $full = $ourdb[$db]['fullname'];
 305                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 306                         ."or install the $comp.so module</li>\n";
 307         }
 308         dieout( "</ul></ul>" );
 309 }
 310
 311 print "<li>Found database drivers for:";
 312 foreach (array_keys($ourdb) AS $db) {
 313         if ($ourdb[$db]['havedriver']) {
 314                 $DefaultDBtype = $db;
 315                 print "  ".$ourdb[$db]['fullname'];
 316         }
 317 }
 318 print "</li>\n";
 319 if (count($phpdatabases) != 1)
 320         $DefaultDBtype = '';
 321
 322 if( ini_get( "register_globals" ) ) {
 323         ?>
 324         <li>
 325                 <div style="font-size:110%">
 326                 <strong class="error">Warning:</strong>
 327                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 328                 </div>
 329                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 330         </li>
 331         <?php
 332 }
 333
 334 $fatal = false;
 335
 336 if( ini_get( "magic_quotes_runtime" ) ) {
 337         $fatal = true;
 338         ?><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>
 339         This option corrupts data input unpredictably; you cannot install or use
 340         MediaWiki unless this option is disabled.
 341         <?php
 342 }
 343
 344 if( ini_get( "magic_quotes_sybase" ) ) {
 345         $fatal = true;
 346         ?><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>
 347         This option corrupts data input unpredictably; you cannot install or use
 348         MediaWiki unless this option is disabled.
 349         <?php
 350 }
 351
 352 if( ini_get( "mbstring.func_overload" ) ) {
 353         $fatal = true;
 354         ?><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>
 355         This option causes errors and may corrupt data unpredictably;
 356         you cannot install or use MediaWiki unless this option is disabled.
 357         <?php
 358 }
 359
 360 if( ini_get( "zend.ze1_compatibility_mode" ) ) {
 361         $fatal = true;
 362         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 363         This option causes horrible bugs with MediaWiki; you cannot install or use
 364         MediaWiki unless this option is disabled.
 365         <?php
 366 }
 367
 368
 369 if( $fatal ) {
 370         dieout( "</ul><p>Cannot install MediaWiki.</p>" );
 371 }
 372
 373 if( ini_get( "safe_mode" ) ) {
 374         $conf->safeMode = true;
 375         ?>
 376         <li><b class='error'>Warning:</b> <strong>PHP's
 377         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 378         You may have problems caused by this, particularly if using image uploads.
 379         </li>
 380         <?php
 381 } else {
 382         $conf->safeMode = false;
 383 }
 384
 385 $sapi = php_sapi_name();
 386 print "<li>PHP server API is $sapi; ";
 387 if( $wgUsePathInfo ) {
 388         print "ok, using pretty URLs (<tt>index.php/Page_Title</tt>)";
 389 } else {
 390         print "using ugly URLs (<tt>index.php?title=Page_Title</tt>)";
 391 }
 392 print "</li>\n";
 393
 394 $conf->xml = function_exists( "utf8_encode" );
 395 if( $conf->xml ) {
 396         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 397 } else {
 398         dieout( "PHP's XML module is missing; the wiki requires functions in
 399                 this module and won't work in this configuration.
 400                 If you're running Mandrake, install the php-xml package." );
 401 }
 402
 403 # Check for session support
 404 if( !function_exists( 'session_name' ) )
 405         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 406
 407 # session.save_path doesn't *have* to be set, but if it is, and it's
 408 # not valid/writable/etc. then it can cause problems
 409 $sessionSavePath = mw_get_session_save_path();
 410 $ssp = htmlspecialchars( $sessionSavePath );
 411 # Warn the user if it's not set, but let them proceed
 412 if( !$sessionSavePath ) {
 413         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 414         has not been set in PHP.ini. If the default value causes problems with
 415         saving session data, set it to a valid path which is read/write/execute
 416         for the user your web server is running under.</li>";
 417 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 418         # All good? Let the user know
 419         print "<li>Session save path (<tt>{$ssp}</tt>) appears to be valid.</li>";
 420 } else {
 421         # Something not right? Warn the user, but let them proceed
 422         print "<li><strong>Warning:</strong> Your <tt>session.save_path</tt> value (<tt>{$ssp}</tt>)
 423                 appears to be invalid or is not writable. PHP needs to be able to save data to
 424                 this location for correct session operation.</li>";
 425 }
 426
 427 # Check for PCRE support
 428 if( !function_exists( 'preg_match' ) )
 429         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 430         Perl-compatible regular expression functions." );
 431
 432 $memlimit = ini_get( "memory_limit" );
 433 $conf->raiseMemory = false;
 434 if( empty( $memlimit ) || $memlimit == -1 ) {
 435         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 436 } else {
 437         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". ";
 438         $n = intval( $memlimit );
 439         if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
 440                 $n = intval( $m[1] * (1024*1024) );
 441         }
 442         if( $n < 20*1024*1024 ) {
 443                 print "Attempting to raise limit to 20M... ";
 444                 if( false === ini_set( "memory_limit", "20M" ) ) {
 445                         print "failed.<br /><b>" . htmlspecialchars( $memlimit ) . " seems too low, installation may fail!</b>";
 446                 } else {
 447                         $conf->raiseMemory = true;
 448                         print "ok.";
 449                 }
 450         }
 451         print "</li>\n";
 452 }
 453
 454 $conf->turck = function_exists( 'mmcache_get' );
 455 if ( $conf->turck ) {
 456         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 457 }
 458
 459 $conf->xcache = function_exists( 'xcache_get' );
 460 if( $conf->xcache )
 461         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>";
 462
 463 $conf->apc = function_exists('apc_fetch');
 464 if ($conf->apc ) {
 465         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>";
 466 }
 467
 468 $conf->eaccel = function_exists( 'eaccelerator_get' );
 469 if ( $conf->eaccel ) {
 470         $conf->turck = 'eaccelerator';
 471         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 472 }
 473
 474 if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 475         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 476                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>,
 477                 <a href="http://www.php.net/apc">APC</a> or <a href="http://trac.lighttpd.net/xcache/">XCache</a>.
 478                 Object caching functions cannot be used.</li>' );
 479 }
 480
 481 $conf->diff3 = false;
 482 $diff3locations = array_merge(
 483         array(
 484                 "/usr/bin",
 485                 "/usr/local/bin",
 486                 "/opt/csw/bin",
 487                 "/usr/gnu/bin",
 488                 "/usr/sfw/bin" ),
 489         explode( $sep, getenv( "PATH" ) ) );
 490 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 491
 492 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 493 foreach ($diff3locations as $loc) {
 494         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 495         if ($exe !== false) {
 496                 $conf->diff3 = $exe;
 497                 break;
 498         }
 499 }
 500
 501 if ($conf->diff3)
 502         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 503 else
 504         print "<li>GNU diff3 not found.</li>";
 505
 506 $conf->ImageMagick = false;
 507 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 508 foreach( $imcheck as $dir ) {
 509         $im = "$dir/convert";
 510         if( file_exists( $im ) ) {
 511                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 512                 $conf->ImageMagick = $im;
 513                 break;
 514         }
 515 }
 516
 517 $conf->HaveGD = function_exists( "imagejpeg" );
 518 if( $conf->HaveGD ) {
 519         print "<li>Found GD graphics library built-in";
 520         if( !$conf->ImageMagick ) {
 521                 print ", image thumbnailing will be enabled if you enable uploads";
 522         }
 523         print ".</li>\n";
 524 } else {
 525         if( !$conf->ImageMagick ) {
 526                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 527         }
 528 }
 529
 530 $conf->IP = dirname( dirname( __FILE__ ) );
 531 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 532
 533
 534 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 535 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 536 // to get the path to the current script... hopefully it's reliable. SIGH
 537 $path = ($_SERVER["PHP_SELF"] === '')
 538         ? $_SERVER["SCRIPT_NAME"]
 539         : $_SERVER["PHP_SELF"];
 540 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 541 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 542
 543 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 544         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 545
 546         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 547         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 548                 ? 'root@localhost'
 549                 : $_SERVER["SERVER_ADMIN"];
 550         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 551         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 552 ?>
 553
 554 <?php
 555         $conf->DBserver = importPost( "DBserver", "localhost" );
 556         $conf->DBname = importPost( "DBname", "wikidb" );
 557         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 558         $conf->DBpassword = importPost( "DBpassword" );
 559         $conf->DBpassword2 = importPost( "DBpassword2" );
 560         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 561         $conf->SysopPass = importPost( "SysopPass" );
 562         $conf->SysopPass2 = importPost( "SysopPass2" );
 563         $conf->RootUser = importPost( "RootUser", "root" );
 564         $conf->RootPW = importPost( "RootPW", "" );
 565         $useRoot = importCheck( 'useroot', false );
 566         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 567
 568         ## MySQL specific:
 569         $conf->DBprefix     = importPost( "DBprefix" );
 570         $conf->setSchema( importPost( "DBschema", "mysql4" ) );
 571
 572         ## Postgres specific:
 573         $conf->DBport      = importPost( "DBport",      "5432" );
 574         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 575         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 576
 577 /* Check for validity */
 578 $errs = array();
 579
 580 if( $conf->Sitename == "" || $conf->Sitename == "MediaWiki" || $conf->Sitename == "Mediawiki" ) {
 581         $errs["Sitename"] = "Must not be blank or \"MediaWiki\"";
 582 }
 583 if( $conf->DBuser == "" ) {
 584         $errs["DBuser"] = "Must not be blank";
 585 }
 586 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 587         $errs["DBuser"] = "Username too long";
 588 }
 589 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 590         $errs["DBpassword"] = "Must not be blank";
 591 }
 592 if( $conf->DBpassword != $conf->DBpassword2 ) {
 593         $errs["DBpassword2"] = "Passwords don't match!";
 594 }
 595 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 596         $errs["DBprefix"] = "Invalid table prefix";
 597 }
 598
 599 error_reporting( E_ALL );
 600
 601 /**
 602  * Initialise $wgLang and $wgContLang to something so we can
 603  * call case-folding methods. Per Brion, this is English for
 604  * now, although we could be clever and initialise to the
 605  * user-selected language.
 606  */
 607 $wgContLang = Language::factory( 'en' );
 608 $wgLang = $wgContLang;
 609
 610 /**
 611  * We're messing about with users, so we need a stub
 612  * authentication plugin...
 613  */
 614 $wgAuth = new AuthPlugin();
 615
 616 /**
 617  * Validate the initial administrator account; username,
 618  * password checks, etc.
 619  */
 620 if( $conf->SysopName ) {
 621         # Check that the user can be created
 622         $u = User::newFromName( $conf->SysopName );
 623         if( $u instanceof User ) {
 624                 # Various password checks
 625                 if( $conf->SysopPass != '' ) {
 626                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 627                                 if( !$u->isValidPassword( $conf->SysopPass ) ) {
 628                                         $errs['SysopPass'] = "Bad password";
 629                                 }
 630                         } else {
 631                                 $errs['SysopPass2'] = "Passwords don't match";
 632                         }
 633                 } else {
 634                         $errs['SysopPass'] = "Cannot be blank";
 635                 }
 636                 unset( $u );
 637         } else {
 638                 $errs['SysopName'] = "Bad username";
 639         }
 640 }
 641
 642 $conf->License = importRequest( "License", "none" );
 643 if( $conf->License == "gfdl" ) {
 644         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 645         $conf->RightsText = "GNU Free Documentation License 1.2";
 646         $conf->RightsCode = "gfdl";
 647         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 648 } elseif( $conf->License == "none" ) {
 649         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 650 } else {
 651         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 652         $conf->RightsText = importRequest( "RightsText", "" );
 653         $conf->RightsCode = importRequest( "RightsCode", "" );
 654         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 655 }
 656
 657 $conf->Shm = importRequest( "Shm", "none" );
 658 $conf->MCServers = importRequest( "MCServers" );
 659
 660 /* Test memcached servers */
 661
 662 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 663         $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
 664         foreach ( $conf->MCServerArray as $server ) {
 665                 $error = testMemcachedServer( $server );
 666                 if ( $error ) {
 667                         $errs["MCServers"] = $error;
 668                         break;
 669                 }
 670         }
 671 } else if ( $conf->Shm == 'memcached' ) {
 672         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 673 }
 674
 675 /* default values for installation */
 676 $conf->Email     = importRequest("Email", "email_enabled");
 677 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 678 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 679 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 680
 681 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 682         do { /* So we can 'continue' to end prematurely */
 683                 $conf->Root = ($conf->RootPW != "");
 684
 685                 /* Load up the settings and get installin' */
 686                 $local = writeLocalSettings( $conf );
 687                 echo "<li style=\"list-style: none\">\n";
 688                 echo "<p><b>Generating configuration file...</b></p>\n";
 689                 echo "</li>\n";
 690
 691                 $wgCommandLineMode = false;
 692                 chdir( ".." );
 693                 $ok = eval( $local );
 694                 if( $ok === false ) {
 695                         dieout( "Errors in generated configuration; " .
 696                                 "most likely due to a bug in the installer... " .
 697                                 "Config file was: " .
 698                                 "<pre>" .
 699                                 htmlspecialchars( $local ) .
 700                                 "</pre>" .
 701                                 "</ul>" );
 702                 }
 703                 $conf->DBtypename = '';
 704                 foreach (array_keys($ourdb) as $db) {
 705                         if ($conf->DBtype === $db)
 706                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 707                 }
 708                 if ( ! strlen($conf->DBtype)) {
 709                         $errs["DBpicktype"] = "Please choose a database type";
 710                         continue;
 711                 }
 712
 713                 if (! $conf->DBtypename) {
 714                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 715                         continue;
 716                 }
 717                 print "<li>Database type: {$conf->DBtypename}</li>\n";
 718                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 719                 $wgDBtype = $conf->DBtype;
 720                 $wgDBadminuser = "root";
 721                 $wgDBadminpassword = $conf->RootPW;
 722
 723                 ## Mysql specific:
 724                 $wgDBprefix = $conf->DBprefix;
 725
 726                 ## Postgres specific:
 727                 $wgDBport      = $conf->DBport;
 728                 $wgDBmwschema  = $conf->DBmwschema;
 729                 $wgDBts2schema = $conf->DBts2schema;
 730
 731                 $wgCommandLineMode = true;
 732                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 733                 require_once( "includes/Setup.php" );
 734                 chdir( "config" );
 735
 736                 $wgTitle = Title::newFromText( "Installation script" );
 737                 error_reporting( E_ALL );
 738                 print "<li>Loading class: $dbclass";
 739                 $dbc = new $dbclass;
 740
 741                 if( $conf->DBtype == 'mysql' ) {
 742                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 743                         if( $mysqlOldClient ) {
 744                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 745                                         using a MySQL 4.1 server and have problems connecting to the database,
 746                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 747                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 748                         }
 749                         $ok = true; # Let's be optimistic
 750
 751                         # Decide if we're going to use the superuser or the regular database user
 752                         $conf->Root = $useRoot;
 753                         if( $conf->Root ) {
 754                                 $db_user = $conf->RootUser;
 755                                 $db_pass = $conf->RootPW;
 756                         } else {
 757                                 $db_user = $wgDBuser;
 758                                 $db_pass = $wgDBpassword;
 759                         }
 760
 761                         # Attempt to connect
 762                         echo( "<li>Attempting to connect to database server as $db_user..." );
 763                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 764
 765                         # Check the connection and respond to errors
 766                         if( $wgDatabase->isOpen() ) {
 767                                 # Seems OK
 768                                 $ok = true;
 769                                 $wgDBadminuser = $db_user;
 770                                 $wgDBadminpassword = $db_pass;
 771                                 echo( "success.</li>\n" );
 772                                 $wgDatabase->ignoreErrors( true );
 773                                 $myver = $wgDatabase->getServerVersion();
 774                         } else {
 775                                 # There were errors, report them and back out
 776                                 $ok = false;
 777                                 $errno = mysql_errno();
 778                                 $errtx = htmlspecialchars( mysql_error() );
 779                                 switch( $errno ) {
 780                                         case 1045:
 781                                         case 2000:
 782                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 783                                                 if( $conf->Root ) {
 784                                                         # The superuser details are wrong
 785                                                         $errs["RootUser"] = "Check username";
 786                                                         $errs["RootPW"] = "and password";
 787                                                 } else {
 788                                                         # The regular user details are wrong
 789                                                         $errs["DBuser"] = "Check username";
 790                                                         $errs["DBpassword"] = "and password";
 791                                                 }
 792                                                 break;
 793                                         case 2002:
 794                                         case 2003:
 795                                         default:
 796                                                 # General connection problem
 797                                                 echo( "failed with error [$errno] $errtx.</li>\n" );
 798                                                 $errs["DBserver"] = "Connection failed";
 799                                                 break;
 800                                 } # switch
 801                         } #conn. att.
 802
 803                         if( !$ok ) { continue; }
 804
 805                 } else /* not mysql */ {
 806                         error_reporting( E_ALL );
 807                         $wgSuperUser = '';
 808                         ## Possible connect as a superuser
 809                         if( $useRoot ) {
 810                                 $wgDBsuperuser = $conf->RootUser;
 811                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"$wgDBsuperuser\"..." );
 812                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
 813                                 if (!$wgDatabase->isOpen()) {
 814                                         print " error: " . $wgDatabase->lastError() . "</li>\n";
 815                                         $errs["DBserver"] = "Could not connect to database as superuser";
 816                                         $errs["RootUser"] = "Check username";
 817                                         $errs["RootPW"] = "and password";
 818                                         continue;
 819                                 }
 820                         }
 821                         echo( "<li>Attempting to connect to database \"$wgDBname\" as \"$wgDBuser\"..." );
 822                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
 823                         if (!$wgDatabase->isOpen()) {
 824                                 print " error: " . $wgDatabase->lastError() . "</li>\n";
 825                         } else {
 826                                 $myver = $wgDatabase->getServerVersion();
 827                         }
 828                 }
 829
 830                 if ( !$wgDatabase->isOpen() ) {
 831                         $errs["DBserver"] = "Couldn't connect to database";
 832                         continue;
 833                 }
 834
 835                 print "<li>Connected to $myver";
 836                 if ($conf->DBtype == 'mysql') {
 837                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
 838                                 dieout( " -- mysql 4.0.14 or later required. Aborting." );
 839                         }
 840                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
 841                         if( $mysqlNewAuth && $mysqlOldClient ) {
 842                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
 843                                         to old client libraries; if you have trouble with authentication, see
 844                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 845                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
 846                         }
 847                         if( $wgDBmysql5 ) {
 848                                 if( $mysqlNewAuth ) {
 849                                         print "; enabling MySQL 4.1/5.0 charset mode";
 850                                 } else {
 851                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
 852                                                 but older version detected; will likely fail.</b>";
 853                                 }
 854                         }
 855                         print "</li>\n";
 856
 857                         @$sel = $wgDatabase->selectDB( $wgDBname );
 858                         if( $sel ) {
 859                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
 860                         } else {
 861                                 $err = mysql_errno();
 862                                 $databaseSafe = htmlspecialchars( $wgDBname );
 863                                 if( $err == 1102 /* Invalid database name */ ) {
 864                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
 865                                         continue;
 866                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
 867                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
 868                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
 869                                         continue;
 870                                 }
 871                                 print "<li>Attempting to create database...</li>";
 872                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
 873                                 if( !$res ) {
 874                                         print "<li>Couldn't create database <tt>" .
 875                                                 htmlspecialchars( $wgDBname ) .
 876                                                 "</tt>; try with root access or check your username/pass.</li>\n";
 877                                         $errs["RootPW"] = "&lt;- Enter";
 878                                         continue;
 879                                 }
 880                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
 881                         }
 882                         $wgDatabase->selectDB( $wgDBname );
 883                 }
 884                 else if ($conf->DBtype == 'postgres') {
 885                         if( version_compare( $myver, "PostgreSQL 8.0" ) < 0 ) {
 886                                 dieout( " <b>Postgres 8.0 or later is required</b>. Aborting.</li></ul>" );
 887                         }
 888                 }
 889
 890                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
 891                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
 892
 893                         if ( $conf->DBtype == 'mysql') {
 894
 895                                 # Determine existing default character set
 896                                 if ( $wgDatabase->tableExists( "revision" ) ) {
 897                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
 898                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
 899                                         $row = $wgDatabase->fetchObject( $res );
 900                                         if ( !$row ) {
 901                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
 902                                                 $existingSchema = false;
 903                                         } elseif ( preg_match( '/^latin1/', $row->Collation ) ) {
 904                                                 $existingSchema = 'mysql4';
 905                                         } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
 906                                                 $existingSchema = 'mysql5';
 907                                         } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
 908                                                 $existingSchema = 'mysql5-binary';
 909                                         } else {
 910                                                 $existingSchema = false;
 911                                                 echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
 912                                         }
 913                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
 914                                                 print "<li><strong>Warning:</strong> you requested the {$conf->DBschema} schema, " .
 915                                                         "but the existing database has the $existingSchema schema. This upgrade script ".
 916                                                         "can't convert it, so it will remain $existingSchema.</li>\n";
 917                                                 $conf->setSchema( $existingSchema );
 918                                         }
 919                                 }
 920
 921                                 # Create user if required
 922                                 if ( $conf->Root ) {
 923                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 924                                         if ( $conn->isOpen() ) {
 925                                                 print "<li>DB user account ok</li>\n";
 926                                                 $conn->close();
 927                                         } else {
 928                                                 print "<li>Granting user permissions...";
 929                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
 930                                                         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>";
 931                                                 }
 932                                                 print "</li>\n";
 933                                                 dbsource( "../maintenance/users.sql", $wgDatabase );
 934                                         }
 935                                 }
 936                         }
 937                         print "</ul><pre>\n";
 938                         chdir( ".." );
 939                         flush();
 940                         do_all_updates();
 941                         chdir( "config" );
 942                         print "</pre>\n";
 943                         print "<ul><li>Finished update checks.</li>\n";
 944                 } else {
 945                         # FIXME: Check for errors
 946                         print "<li>Creating tables...";
 947                         if ($conf->DBtype == 'mysql') {
 948                                 dbsource( "../maintenance/tables.sql", $wgDatabase );
 949                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
 950                         } else if ($conf->DBtype == 'postgres') {
 951                                 $wgDatabase->setup_database();
 952                         }
 953                         else {
 954                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
 955                                 continue;
 956                         }
 957
 958                         print " done.</li>\n";
 959
 960                         print "<li>Initializing data...</li>\n";
 961                         $wgDatabase->insert( 'site_stats',
 962                                 array ( 'ss_row_id'        => 1,
 963                                                 'ss_total_views'   => 0,
 964                                                 'ss_total_edits'   => 0,
 965                                                 'ss_good_articles' => 0 ) );
 966
 967                         # Set up the "regular user" account *if we can, and if we need to*
 968                         if( $conf->Root and $conf->DBtype == 'mysql') {
 969                                 # See if we need to
 970                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 971                                 if( $wgDatabase2->isOpen() ) {
 972                                         # Nope, just close the test connection and continue
 973                                         $wgDatabase2->close();
 974                                         echo( "<li>User $wgDBuser exists. Skipping grants.</li>\n" );
 975                                 } else {
 976                                         # Yes, so run the grants
 977                                         echo( "<li>Granting user permissions to $wgDBuser on $wgDBname..." );
 978                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 979                                         echo( "success.</li>\n" );
 980                                 }
 981                         }
 982
 983                         if( $conf->SysopName ) {
 984                                 $u = User::newFromName( $conf->getSysopName() );
 985                                 if ( !$u ) {
 986                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
 987                                 }
 988                                 else if ( 0 == $u->idForName() ) {
 989                                         $u->addToDatabase();
 990                                         $u->setPassword( $conf->getSysopPass() );
 991                                         $u->saveSettings();
 992
 993                                         $u->addGroup( "sysop" );
 994                                         $u->addGroup( "bureaucrat" );
 995
 996                                         print "<li>Created sysop account <tt>" .
 997                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
 998                                 } else {
 999                                         print "<li>Could not create user - already exists!</li>\n";
1000                                 }
1001                         } else {
1002                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
1003                         }
1004
1005                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1006                         $article = new Article( $titleobj );
1007                         $newid = $article->insertOn( $wgDatabase );
1008                         $revision = new Revision( array(
1009                                 'page'      => $newid,
1010                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1011                                 'comment'   => '',
1012                                 'user'      => 0,
1013                                 'user_text' => 'MediaWiki default',
1014                                 ) );
1015                         $revid = $revision->insertOn( $wgDatabase );
1016                         $article->updateRevisionOn( $wgDatabase, $revision );
1017                 }
1018
1019                 /* Write out the config file now that all is well */
1020                 print "<li style=\"list-style: none\">\n";
1021                 print "<p>Creating LocalSettings.php...</p>\n\n";
1022                 $localSettings = "<" . "?php$endl$local";
1023                 // Fix up a common line-ending problem (due to CVS on Windows)
1024                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1025                 $f = fopen( "LocalSettings.php", 'xt' );
1026
1027                 if( $f == false ) {
1028                         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" .
1029                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1030                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1031                 }
1032                 if(fwrite( $f, $localSettings ) ) {
1033                         fclose( $f );
1034                         writeSuccessMessage();
1035                 } else {
1036                         fclose( $f );
1037                         die("<p class='error'>An error occured while writing the config/LocalSettings.php file. Check user rights and disk space then try again.</p>\n");
1038
1039                 }
1040                 print "</li>\n";
1041
1042         } while( false );
1043 }
1044 ?>
1045 </ul>
1046
1047
1048 <?php
1049
1050 if( count( $errs ) ) {
1051         /* Display options form */
1052
1053         if( $conf->posted ) {
1054                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1055         }
1056 ?>
1057
1058 <form action="index.php" name="config" method="post">
1059
1060
1061 <h2>Site config</h2>
1062
1063 <div class="config-section">
1064         <div class="config-input">
1065                 <?php
1066                 aField( $conf, "Sitename", "Wiki name:" );
1067                 ?>
1068         </div>
1069         <p class="config-desc">
1070                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1071                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1072         </p>
1073
1074         <div class="config-input">
1075                 <?php
1076                 aField( $conf, "EmergencyContact", "Contact e-mail:" );
1077                 ?>
1078         </div>
1079         <p class="config-desc">
1080                 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.
1081         </p>
1082
1083         <div class="config-input">
1084                 <label class='column' for="LanguageCode">Language:</label>
1085                 <select id="LanguageCode" name="LanguageCode">
1086
1087                 <?php
1088                         $list = getLanguageList();
1089                         foreach( $list as $code => $name ) {
1090                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1091                                 echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
1092                         }
1093                 ?>
1094                 </select>
1095         </div>
1096         <p class="config-desc">
1097                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1098         </p>
1099
1100         <div class="config-input">
1101                 <label class='column'>Copyright/license:</label>
1102
1103                 <ul class="plain">
1104                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1105                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
1106                 <li><?php
1107                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1108                         $partner = "MediaWiki";
1109                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/index.php?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1110                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1111                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1112                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1113                         ?>
1114                 <?php if( $conf->License == "cc" ) { ?>
1115                         <ul>
1116                                 <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1117                                 <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1118                                 <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1119                                 <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1120                         </ul>
1121                 <?php } ?>
1122                         </li>
1123                 </ul>
1124         </div>
1125         <p class="config-desc">
1126                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1127         </p>
1128
1129
1130         <div class="config-input">
1131                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1132         </div>
1133         <div class="config-input">
1134                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1135         </div>
1136         <div class="config-input">
1137                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1138         </div>
1139         <p class="config-desc">
1140                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1141                 A new account will be added only when creating a new wiki database.
1142                 <br /><br />
1143                 The password cannot be the same as the username.
1144         </p>
1145
1146         <div class="config-input">
1147                 <label class='column'>Shared memory caching:</label>
1148
1149                 <ul class="plain">
1150                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1151                 <?php
1152                         if ( $conf->turck ) {
1153                                 echo "<li>";
1154                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1155                                 echo "</li>";
1156                         }
1157                         if( $conf->xcache ) {
1158                                 echo( '<li>' );
1159                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1160                                 echo( '</li>' );
1161                         }
1162                         if ( $conf->apc ) {
1163                                 echo "<li>";
1164                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1165                                 echo "</li>";
1166                         }
1167                         if ( $conf->eaccel ) {
1168                                 echo "<li>";
1169                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1170                                 echo "</li>";
1171                         }
1172                 ?>
1173                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1174                 </ul>
1175                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1176         </div>
1177         <p class="config-desc">
1178                 An object caching system such as memcached will provide a significant performance boost,
1179                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1180                 <br /><br />
1181                 MediaWiki can also detect and support eAccelerator, Turck MMCache, APC, and XCache, but
1182                 these should not be used if the wiki will be running on multiple application servers.
1183         </p>
1184 </div>
1185
1186 <h2>E-mail, e-mail notification and authentication setup</h2>
1187
1188 <div class="config-section">
1189         <div class="config-input">
1190                 <label class='column'>E-mail features (global):</label>
1191                 <ul class="plain">
1192                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1193                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1194                 </ul>
1195         </div>
1196         <p class="config-desc">
1197                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1198                 if sending mail doesn't work on your server.
1199         </p>
1200
1201         <div class="config-input">
1202                 <label class='column'>User-to-user e-mail:</label>
1203                 <ul class="plain">
1204                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1205                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1206                 </ul>
1207         </div>
1208         <p class="config-desc">
1209                 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.
1210         </p>
1211         <div class="config-input">
1212                 <label class='column'>E-mail notification about changes:</label>
1213                 <ul class="plain">
1214                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1215                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1216                 <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>
1217                 </ul>
1218         </div>
1219         <div class="config-desc">
1220                 <p>
1221                 For this feature to work, an e-mail address must be present for the user account, and the notification
1222                 options in the user's preferences must be enabled. Also note the
1223                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1224
1225                 <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>
1226         </div>
1227
1228         <div class="config-input">
1229                 <label class='column'>E-mail address authentication:</label>
1230                 <ul class="plain">
1231                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1232                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1233                 </ul>
1234         </div>
1235         <div class="config-desc">
1236                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1237                 change notification mails. Setting this option is <B>recommended</B> for public wikis because of potential abuse of the e-mail features above.</p>
1238         </div>
1239
1240 </div>
1241
1242 <h2>Database config</h2>
1243
1244 <div class="config-section">
1245 <div class="config-input">
1246                 <label class='column'>Database type:</label>
1247 <?php if (isset($errs['DBpicktype'])) print "<span class='error'>$errs[DBpicktype]</span>\n"; ?>
1248                 <ul class='plain'><?php database_picker($conf) ?></ul>
1249         </div>
1250
1251         <div class="config-input" style="clear:left"><?php
1252                 aField( $conf, "DBserver", "Database host:" );
1253         ?></div>
1254         <p class="config-desc">
1255                 If your database server isn't on your web server, enter the name or IP address here.
1256         </p>
1257
1258         <div class="config-input"><?php
1259                 aField( $conf, "DBname", "Database name:" );
1260         ?></div>
1261         <div class="config-input"><?php
1262                 aField( $conf, "DBuser", "DB username:" );
1263         ?></div>
1264         <div class="config-input"><?php
1265                 aField( $conf, "DBpassword", "DB password:", "password" );
1266         ?></div>
1267         <div class="config-input"><?php
1268                 aField( $conf, "DBpassword2", "DB password confirm:", "password" );
1269         ?></div>
1270         <p class="config-desc">
1271                 If you only have a single user account and database available,
1272                 enter those here. If you have database root access (see below)
1273                 you can specify new accounts/databases to be created. This account
1274                 will not be created if it pre-exists. If this is the case, ensure that it
1275                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1276         </p>
1277
1278         <div class="config-input">
1279                 <label class="column">Superuser account:</label>
1280                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?>/>
1281                 &nbsp;<label for="useroot">Use superuser account</label>
1282         </div>
1283         <div class="config-input">
1284                 <?php
1285                 aField( $conf, "RootUser", "Superuser name:", "superuser" );
1286                 ?>
1287         </div>
1288         <div class="config-input">
1289                 <?php
1290                 aField( $conf, "RootPW", "Superuser password:", "password" );
1291                 ?>
1292         </div>
1293
1294         <p class="config-desc">
1295                 If the database user specified above does not exist, or does not have access to create
1296                 the database (if needed) or tables within it, please check the box and provide details
1297                 of a superuser account, such as <strong>root</strong>, which does.
1298         </p>
1299
1300         <?php database_switcher('mysql'); ?>
1301         <div class="config-input"><?php
1302                 aField( $conf, "DBprefix", "Database table prefix:" );
1303         ?></div>
1304         <div class="config-desc">
1305                 <p>If you need to share one database between multiple wikis, or
1306                 between MediaWiki and another web application, you may choose to
1307                 add a prefix to all the table names to avoid conflicts.</p>
1308
1309                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1310         </div>
1311
1312         <div class="config-input"><label class="column">Database charset</label>
1313                 <div>Select one:</div>
1314                 <ul class="plain">
1315                 <li><?php aField( $conf, "DBschema", "Backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1316                 <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1317                 <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1318                 </ul>
1319         </div>
1320         <p class="config-desc">
1321                 <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
1322                 for MySQL 4.1 and 5.0 servers. This is not well tested and may
1323                 cause things to break. <b>If upgrading an older installation, leave
1324                 in backwards-compatible mode.</b>
1325         </p>
1326         </div>
1327
1328         <?php database_switcher('postgres'); ?>
1329         <div class="config-input"><?php
1330                 aField( $conf, "DBport", "Database port:" );
1331         ?></div>
1332         <div class="config-input"><?php
1333                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1334         ?></div>
1335         <div class="config-input"><?php
1336                 aField( $conf, "DBts2schema", "Schema for tsearch2:" );
1337         ?></div>
1338         <div class="config-desc">
1339                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1340                 so it is recommended that you create a new user. The above schemas are generally correct:
1341         only change them if you are sure you need to.</p>
1342         </div>
1343         </div>
1344
1345         <div class="config-input" style="padding:2em 0 3em">
1346                 <label class='column'>&nbsp;</label>
1347                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1348         </div>
1349
1350 </div>
1351
1352 <script type="text/javascript">
1353 window.onload = toggleDBarea('<?php echo $conf->DBtype; ?>',
1354 <?php
1355         ## If they passed in a root user name, don't populate it on page load
1356         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1357 ?>);
1358 </script>
1359
1360 </form>
1361
1362 <?php
1363 }
1364
1365 /* -------------------------------------------------------------------------------------- */
1366 function writeSuccessMessage() {
1367         if ( ini_get( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1368                 echo <<<EOT
1369 <p>Installation successful!</p>
1370 <p>To complete the installation, please do the following:
1371 <ol>
1372         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1373         <li>Upload it to the parent directory</li>
1374         <li>Delete config/LocalSettings.php</li>
1375         <li>Start using <a href='../index.php'>your wiki</a>!
1376 </ol>
1377 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1378 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1379 which means that anyone on the same server can read your database password! Downloading
1380 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1381 EOT;
1382         } else {
1383                 echo <<<EOT
1384 <p>
1385 <span class="success-message">Installation successful!</span>
1386 Move the <tt>config/LocalSettings.php</tt> file to the parent directory, then follow
1387 <a href="../index.php"> this link</a> to your wiki.</p>
1388 <p>You should change file permissions for <tt>LocalSettings.php</tt> as required to
1389 prevent other users on the server reading passwords and altering configuration data.</p>
1390 EOT;
1391         }
1392 }
1393
1394
1395 function escapePhpString( $string ) {
1396         return strtr( $string,
1397                 array(
1398                         "\n" => "\\n",
1399                         "\r" => "\\r",
1400                         "\t" => "\\t",
1401                         "\\" => "\\\\",
1402                         "\$" => "\\\$",
1403                         "\"" => "\\\""
1404                 ));
1405 }
1406
1407 function writeLocalSettings( $conf ) {
1408         $conf->PasswordSender = $conf->EmergencyContact;
1409         $magic = ($conf->ImageMagick ? "" : "# ");
1410         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1411         $rights = ($conf->RightsUrl) ? "" : "# ";
1412         $hashedUploads = $conf->safeMode ? '' : '# ';
1413
1414         switch ( $conf->Shm ) {
1415                 case 'memcached':
1416                         $cacheType = 'CACHE_MEMCACHED';
1417                         $mcservers = var_export( $conf->MCServerArray, true );
1418                         break;
1419                 case 'turck':
1420                 case 'xcache':
1421                 case 'apc':
1422                 case 'eaccel':
1423                         $cacheType = 'CACHE_ACCEL';
1424                         $mcservers = 'array()';
1425                         break;
1426                 default:
1427                         $cacheType = 'CACHE_NONE';
1428                         $mcservers = 'array()';
1429         }
1430
1431         if ( $conf->Email == 'email_enabled' ) {
1432                 $enableemail = 'true';
1433                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1434                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1435                 switch ( $conf->Enotif ) {
1436                         case 'enotif_usertalk':
1437                                 $enotifusertalk = 'true';
1438                                 $enotifwatchlist = 'false';
1439                                 break;
1440                         case 'enotif_allpages':
1441                                 $enotifusertalk = 'true';
1442                                 $enotifwatchlist = 'true';
1443                                 break;
1444                         default:
1445                                 $enotifusertalk = 'false';
1446                                 $enotifwatchlist = 'false';
1447                 }
1448         } else {
1449                 $enableuseremail = 'false';
1450                 $enableemail = 'false';
1451                 $eauthent = 'false';
1452                 $enotifusertalk = 'false';
1453                 $enotifwatchlist = 'false';
1454         }
1455
1456         $file = @fopen( "/dev/urandom", "r" );
1457         if ( $file ) {
1458                 $secretKey = bin2hex( fread( $file, 32 ) );
1459                 fclose( $file );
1460         } else {
1461                 $secretKey = "";
1462                 for ( $i=0; $i<8; $i++ ) {
1463                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1464                 }
1465                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1466         }
1467
1468         # Add slashes to strings for double quoting
1469         $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
1470         if( $conf->License == 'gfdl' ) {
1471                 # Needs literal string interpolation for the current style path
1472                 $slconf['RightsIcon'] = $conf->RightsIcon;
1473         }
1474
1475         $localsettings = "
1476 # This file was automatically generated by the MediaWiki installer.
1477 # If you make manual changes, please keep track in case you need to
1478 # recreate them later.
1479 #
1480 # See includes/DefaultSettings.php for all configurable settings
1481 # and their default values, but don't forget to make changes in _this_
1482 # file, not there.
1483
1484 # If you customize your file layout, set \$IP to the directory that contains
1485 # the other MediaWiki files. It will be used as a base to locate files.
1486 if( defined( 'MW_INSTALL_PATH' ) ) {
1487         \$IP = MW_INSTALL_PATH;
1488 } else {
1489         \$IP = dirname( __FILE__ );
1490 }
1491
1492 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1493 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1494
1495 require_once( \"includes/DefaultSettings.php\" );
1496
1497 # If PHP's memory limit is very low, some operations may fail.
1498 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1499
1500 if ( \$wgCommandLineMode ) {
1501         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1502                 die( \"This script must be run from the command line\\n\" );
1503         }
1504 }
1505 ## Uncomment this to disable output compression
1506 # \$wgDisableOutputCompression = true;
1507
1508 \$wgSitename         = \"{$slconf['Sitename']}\";
1509
1510 ## The URL base path to the directory containing the wiki;
1511 ## defaults for all runtime URL paths are based off of this.
1512 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1513
1514 ## For more information on customizing the URLs please see:
1515 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1516
1517 \$wgEnableEmail      = $enableemail;
1518 \$wgEnableUserEmail  = $enableuseremail;
1519
1520 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1521 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1522
1523 ## For a detailed description of the following switches see
1524 ## http://meta.wikimedia.org/Enotif and http://meta.wikimedia.org/Eauthent
1525 ## There are many more options for fine tuning available see
1526 ## /includes/DefaultSettings.php
1527 ## UPO means: this is also a user preference option
1528 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1529 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1530 \$wgEmailAuthentication = $eauthent;
1531
1532 \$wgDBtype           = \"{$slconf['DBtype']}\";
1533 \$wgDBserver         = \"{$slconf['DBserver']}\";
1534 \$wgDBname           = \"{$slconf['DBname']}\";
1535 \$wgDBuser           = \"{$slconf['DBuser']}\";
1536 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1537
1538 # MySQL specific settings
1539 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1540
1541 # MySQL table options to use during installation or update
1542 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1543
1544 # Experimental charset support for MySQL 4.1/5.0.
1545 \$wgDBmysql5 = {$conf->DBmysql5};
1546
1547 # Postgres specific settings
1548 \$wgDBport           = \"{$slconf['DBport']}\";
1549 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1550 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";
1551
1552 ## Shared memory settings
1553 \$wgMainCacheType = $cacheType;
1554 \$wgMemCachedServers = $mcservers;
1555
1556 ## To enable image uploads, make sure the 'images' directory
1557 ## is writable, then set this to true:
1558 \$wgEnableUploads       = false;
1559 {$magic}\$wgUseImageMagick = true;
1560 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1561
1562 ## If you want to use image uploads under safe mode,
1563 ## create the directories images/archive, images/thumb and
1564 ## images/temp, and make them all writable. Then uncomment
1565 ## this, if it's not already uncommented:
1566 {$hashedUploads}\$wgHashedUploadDirectory = false;
1567
1568 ## If you have the appropriate support software installed
1569 ## you can enable inline LaTeX equations:
1570 \$wgUseTeX           = false;
1571
1572 \$wgLocalInterwiki   = \$wgSitename;
1573
1574 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1575
1576 \$wgProxyKey = \"$secretKey\";
1577
1578 ## Default skin: you can change the default skin. Use the internal symbolic
1579 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1580 \$wgDefaultSkin = 'monobook';
1581
1582 ## For attaching licensing metadata to pages, and displaying an
1583 ## appropriate copyright notice / icon. GNU Free Documentation
1584 ## License and Creative Commons licenses are supported so far.
1585 {$rights}\$wgEnableCreativeCommonsRdf = true;
1586 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1587 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1588 \$wgRightsText = \"{$slconf['RightsText']}\";
1589 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1590 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1591
1592 \$wgDiff3 = \"{$slconf['diff3']}\";
1593
1594 # When you make changes to this configuration file, this will make
1595 # sure that cached pages are cleared.
1596 \$configdate = gmdate( 'YmdHis', @filemtime( __FILE__ ) );
1597 \$wgCacheEpoch = max( \$wgCacheEpoch, \$configdate );
1598         "; ## End of setting the $localsettings string
1599
1600         // Keep things in Unix line endings internally;
1601         // the system will write out as local text type.
1602         return str_replace( "\r\n", "\n", $localsettings );
1603 }
1604
1605 function dieout( $text ) {
1606         die( $text . "\n\n</body>\n</html>" );
1607 }
1608
1609 function importVar( &$var, $name, $default = "" ) {
1610         if( isset( $var[$name] ) ) {
1611                 $retval = $var[$name];
1612                 if ( get_magic_quotes_gpc() ) {
1613                         $retval = stripslashes( $retval );
1614                 }
1615         } else {
1616                 $retval = $default;
1617         }
1618         return $retval;
1619 }
1620
1621 function importPost( $name, $default = "" ) {
1622         return importVar( $_POST, $name, $default );
1623 }
1624
1625 function importCheck( $name ) {
1626         return isset( $_POST[$name] );
1627 }
1628
1629 function importRequest( $name, $default = "" ) {
1630         return importVar( $_REQUEST, $name, $default );
1631 }
1632
1633 $radioCount = 0;
1634
1635 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
1636         global $radioCount;
1637         if( $type != "" ) {
1638                 $xtype = "type=\"$type\"";
1639         } else {
1640                 $xtype = "";
1641         }
1642
1643         $id = $field;
1644         $nolabel = ($type == "radio") || ($type == "hidden");
1645
1646         if ($type == 'radio')
1647                 $id .= $radioCount++;
1648
1649         if( $nolabel ) {
1650                 echo "\t\t<label>";
1651         } else {
1652                 echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
1653         }
1654
1655         if( $type == "radio" && $value == $conf->$field ) {
1656                 $checked = "checked='checked'";
1657         } else {
1658                 $checked = "";
1659         }
1660         echo "\t\t<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
1661         if ($onclick) {
1662                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
1663         }
1664         echo "value=\"";
1665         if( $type == "radio" ) {
1666                 echo htmlspecialchars( $value );
1667         } else {
1668                 echo htmlspecialchars( $conf->$field );
1669         }
1670
1671
1672         echo "\" />\n";
1673         if( $nolabel ) {
1674                 echo " $text</label>\n";
1675         }
1676
1677         global $errs;
1678         if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
1679 }
1680
1681 function getLanguageList() {
1682         global $wgLanguageNames;
1683         if( !isset( $wgLanguageNames ) ) {
1684                 require_once( "languages/Names.php" );
1685         }
1686
1687         $codes = array();
1688
1689         $d = opendir( "../languages/messages" );
1690         /* In case we are called from the root directory */
1691         if (!$d)
1692                 $d = opendir( "languages/messages");
1693         while( false !== ($f = readdir( $d ) ) ) {
1694                 $m = array();
1695                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
1696                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
1697                         if( isset( $wgLanguageNames[$code] ) ) {
1698                                 $name = $code . ' - ' . $wgLanguageNames[$code];
1699                         } else {
1700                                 $name = $code;
1701                         }
1702                         $codes[$code] = $name;
1703                 }
1704         }
1705         closedir( $d );
1706         ksort( $codes );
1707         return $codes;
1708 }
1709
1710 #Check for location of an executable
1711 # @param string $loc single location to check
1712 # @param array $names filenames to check for.
1713 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
1714 function locate_executable($loc, $names, $versioninfo = false) {
1715         if (!is_array($names))
1716                 $names = array($names);
1717
1718         foreach ($names as $name) {
1719                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
1720                 if (file_exists($command)) {
1721                         if (!$versioninfo)
1722                                 return $command;
1723
1724                         $file = str_replace('$1', $command, $versioninfo[0]);
1725                         if (strstr(`$file`, $versioninfo[1]) !== false)
1726                                 return $command;
1727                 }
1728         }
1729         return false;
1730 }
1731
1732 # Test a memcached server
1733 function testMemcachedServer( $server ) {
1734         $hostport = explode(":", $server);
1735         $errstr = false;
1736         $fp = false;
1737         if ( !function_exists( 'fsockopen' ) ) {
1738                 $errstr = "Can't connect to memcached, fsockopen() not present";
1739         }
1740         if ( !$errstr && count( $hostport ) != 2 ) {
1741                 $errstr = 'Please specify host and port';
1742                 var_dump( $hostport );
1743         }
1744         if ( !$errstr ) {
1745                 list( $host, $port ) = $hostport;
1746                 $errno = 0;
1747                 $fsockerr = '';
1748
1749                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
1750                 if ( $fp === false ) {
1751                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
1752                 }
1753         }
1754         if ( !$errstr ) {
1755                 $command = "version\r\n";
1756                 $bytes = fwrite( $fp, $command );
1757                 if ( $bytes != strlen( $command ) ) {
1758                         $errstr = "Cannot write to memcached socket on $host:$port";
1759                 }
1760         }
1761         if ( !$errstr ) {
1762                 $expected = "VERSION ";
1763                 $response = fread( $fp, strlen( $expected ) );
1764                 if ( $response != $expected ) {
1765                         $errstr = "Didn't get correct memcached response from $host:$port";
1766                 }
1767         }
1768         if ( $fp ) {
1769                 fclose( $fp );
1770         }
1771         if ( !$errstr ) {
1772                 echo "<li>Connected to memcached on $host:$port successfully";
1773         }
1774         return $errstr;
1775 }
1776
1777 function database_picker($conf) {
1778         global $ourdb;
1779         print "\n";
1780         foreach(array_keys($ourdb) as $db) {
1781                 if ($ourdb[$db]['havedriver']) {
1782                         print "<li>";
1783                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
1784                         print "</li>\n";
1785                 }
1786         }
1787         print "\n";
1788 }
1789
1790 function database_switcher($db) {
1791         global $ourdb;
1792         $color = $ourdb[$db]['bgcolor'];
1793         $full = $ourdb[$db]['fullname'];
1794         print "<div id='$db' style='display:none; background: $color'>\n";
1795         print "<h3>$full specific options:</h3>\n";
1796 }
1797
1798 function printListItem( $item ) {
1799         print "<li>$item</li>";
1800 }
1801
1802 ?>
1803
1804         <div class="license">
1805         <hr>
1806         <p>This program is free software; you can redistribute it and/or modify
1807          it under the terms of the GNU General Public License as published by
1808          the Free Software Foundation; either version 2 of the License, or
1809          (at your option) any later version.</p>
1810
1811          <p>This program is distributed in the hope that it will be useful,
1812          but WITHOUT ANY WARRANTY; without even the implied warranty of
1813          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1814          GNU General Public License for more details.</p>
1815
1816          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
1817          along with this program; if not, write to the Free Software
1818          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
1819          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
1820         </div>
1821
1822 </div></div></div>
1823
1824
1825 <div id="column-one">
1826         <div class="portlet" id="p-logo">
1827           <a style="background-image: url(../skins/common/images/mediawiki.png);"
1828             href="http://www.mediawiki.org/"
1829             title="Main Page"></a>
1830         </div>
1831         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
1832         <div class='portlet'><div class='pBody'>
1833                 <ul>
1834                         <li><strong><a href="http://www.mediawiki.org/">MediaWiki home</a></strong></li>
1835                         <li><a href="../README">Readme</a></li>
1836                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
1837                         <li><a href="../docs/">Documentation</a></li>
1838                         <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
1839                         <li><a href="http://meta.wikimedia.org/wiki/MediaWiki_FAQ">FAQ</a></li>
1840                 </ul>
1841                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright &copy; 2001-2007 by Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik M&ouml;ller, Gabriel Wicke and others.</p>
1842         </div></div>
1843 </div>
1844
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