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 require_once( "includes/Defines.php" );
  41 require_once( "includes/DefaultSettings.php" );
  42 require_once( "includes/MagicWord.php" );
  43 require_once( "includes/Namespace.php" );
  44 require_once( "includes/ProfilerStub.php" );
  45
  46 ## Databases we support:
  47
  48 $ourdb = array();
  49 $ourdb['mysql']['fullname']      = 'MySQL';
  50 $ourdb['mysql']['havedriver']    = 0;
  51 $ourdb['mysql']['compile']       = 'mysql';
  52 $ourdb['mysql']['bgcolor']       = '#ffe5a7';
  53 $ourdb['mysql']['rootuser']      = 'root';
  54
  55 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  56 $ourdb['postgres']['havedriver'] = 0;
  57 $ourdb['postgres']['compile']    = 'pgsql';
  58 $ourdb['postgres']['bgcolor']    = '#aaccff';
  59 $ourdb['postgres']['rootuser']   = 'postgres';
  60
  61 ?>
  62 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  63 <html>
  64 <head>
  65         <meta http-equiv="Content-type" content="text/html; charset=utf-8">
  66         <title>MediaWiki <?php echo( $wgVersion ); ?> Installation</title>
  67         <style type="text/css">
  68
  69                 @import "../skins/monobook/main.css";
  70
  71                 .env-check {
  72                         font-size: 90%;
  73                         margin: 1em 0 1em 2.5em;
  74                 }
  75
  76                 .config-section {
  77                         margin-top: 2em;
  78                 }
  79
  80                 .config-section label.column {
  81                         clear: left;
  82                         font-weight: bold;
  83                         width: 13em;
  84                         float: left;
  85                         text-align: right;
  86                         padding-right: 1em;
  87                         padding-top: .2em;
  88                 }
  89
  90                 .config-input {
  91                         clear: left;
  92                         zoom: 100%; /* IE hack */
  93                 }
  94
  95                 .config-section .config-desc {
  96                         clear: left;
  97                         margin: 0 0 2em 18em;
  98                         padding-top: 1em;
  99                         font-size: 85%;
 100                 }
 101
 102                 .iput-text, .iput-password {
 103                         width: 14em;
 104                         margin-right: 1em;
 105                 }
 106
 107                 .error {
 108                         color: red;
 109                         background-color: #fff;
 110                         font-weight: bold;
 111                         left: 1em;
 112                         font-size: 100%;
 113                 }
 114
 115                 .error-top {
 116                         color: red;
 117                         background-color: #FFF0F0;
 118                         border: 2px solid red;
 119                         font-size: 130%;
 120                         font-weight: bold;
 121                         padding: 1em 1.5em;
 122                         margin: 2em 0 1em;
 123                 }
 124
 125                 ul.plain {
 126                         list-style-type: none;
 127                         list-style-image: none;
 128                         float: left;
 129                         margin: 0;
 130                         padding: 0;
 131                 }
 132
 133                 .btn-install {
 134                         font-weight: bold;
 135                         font-size: 110%;
 136                         padding: .2em .3em;
 137                 }
 138
 139                 .license {
 140                         font-size: 85%;
 141                         padding-top: 3em;
 142                 }
 143
 144         </style>
 145         <script type="text/javascript">
 146         <!--
 147         function hideall() {
 148                 <?php foreach (array_keys($ourdb) as $db) {
 149                 echo "\n                document.getElementById('$db').style.display='none';";
 150                 }
 151                 ?>
 152
 153         }
 154         function toggleDBarea(id,defaultroot) {
 155                 hideall();
 156                 var dbarea = document.getElementById(id).style;
 157                 dbarea.display = (dbarea.display == 'none') ? 'block' : 'none';
 158                 var db = document.getElementById('RootUser');
 159                 if (defaultroot) {
 160 <?php foreach (array_keys($ourdb) as $db) {
 161                         echo "                  if (id == '$db') { db.value = '".$ourdb[$db]['rootuser']."';}\n";
 162 }?>
 163                 }
 164         }
 165         // -->
 166         </script>
 167 </head>
 168
 169 <body>
 170 <div id="globalWrapper">
 171 <div id="column-content">
 172 <div id="content">
 173 <div id="bodyContent">
 174
 175 <h1>MediaWiki <?php print $wgVersion ?> Installation</h1>
 176
 177 <?php
 178
 179 /* Check for existing configurations and bug out! */
 180
 181 if( file_exists( "../LocalSettings.php" ) ) {
 182         dieout( "<p><strong>Setup has completed, <a href='../index.php'>your wiki</a> is configured.</strong></p>
 183
 184         <p>Please delete the /config directory for extra security.</p></div></div></div></div>" );
 185 }
 186
 187 if( file_exists( "./LocalSettings.php" ) ) {
 188         writeSuccessMessage();
 189
 190         dieout( '' );
 191 }
 192
 193 if( !is_writable( "." ) ) {
 194         dieout( "<h2>Can't write config file, aborting</h2>
 195
 196         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 197         writable by the web server. Once configuration is done you'll move the created
 198         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 199         then remove the <tt>config</tt> subdirectory entirely.</p>
 200
 201         <p>To make the directory writable on a Unix/Linux system:</p>
 202
 203         <pre>
 204         cd <i>/path/to/wiki</i>
 205         chmod a+w config
 206         </pre>" );
 207 }
 208
 209
 210 require_once( "install-utils.inc" );
 211 require_once( "maintenance/updaters.inc" );
 212
 213 class ConfigData {
 214         function getEncoded( $data ) {
 215                 # removing latin1 support, no need...
 216                 return $data;
 217         }
 218         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 219         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 220         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 221 }
 222
 223 ?>
 224
 225 <ul>
 226         <li>
 227                 <b>Don't forget security updates!</b> Keep an eye on the
 228                 <a href="http://mail.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 229                 release announcements mailing list</a>.
 230         </li>
 231 </ul>
 232
 233
 234 <h2>Checking environment...</h2>
 235 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 236 <ul class="env-check">
 237 <?php
 238 $endl = "
 239 ";
 240 $wgNoOutputBuffer = true;
 241 $conf = new ConfigData;
 242
 243 install_version_checks();
 244
 245 print "<li>PHP " . phpversion() . " installed</li>\n";
 246
 247 ## Temporarily turn off all errors as we try to discover installed databases
 248 $olderrnum = error_reporting(0);
 249
 250 $phpdatabases = array();
 251 foreach (array_keys($ourdb) as $db) {
 252         $compname = $ourdb[$db]['compile'];
 253         if (extension_loaded($compname) or dl($compname . '.' . PHP_SHLIB_SUFFIX)) {
 254                 array_push($phpdatabases, $db);
 255                 $ourdb[$db]['havedriver'] = 1;
 256         }
 257 }
 258
 259 error_reporting($olderrornum);
 260
 261 if (!$phpdatabases) {
 262         print "Could not find a suitable database driver!<ul>";
 263         foreach (array_keys($ourdb) AS $db) {
 264                 $comp = $ourdb[$db]['compile'];
 265                 $full = $ourdb[$db]['fullname'];
 266                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 267                         ."or install the $comp.so module</li>\n";
 268         }
 269         dieout( "</ul></ul>" );
 270 }
 271
 272 print "<li>Found database drivers for:";
 273 foreach (array_keys($ourdb) AS $db) {
 274         if ($ourdb[$db]['havedriver']) {
 275                 $DefaultDBtype = $db;
 276                 print "  ".$ourdb[$db]['fullname'];
 277         }
 278 }
 279 print "</li>\n";
 280 if (count($phpdatabases) != 1)
 281         $DefaultDBtype = '';
 282
 283 if( ini_get( "register_globals" ) ) {
 284         ?>
 285         <li>
 286                 <div style="font-size:110%">
 287                 <strong class="error">Warning:</strong>
 288                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 289                 </div>
 290                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 291         </li>
 292         <?php
 293 }
 294
 295 $fatal = false;
 296
 297 if( ini_get( "magic_quotes_runtime" ) ) {
 298         $fatal = true;
 299         ?><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>
 300         This option corrupts data input unpredictably; you cannot install or use
 301         MediaWiki unless this option is disabled.
 302         <?php
 303 }
 304
 305 if( ini_get( "magic_quotes_sybase" ) ) {
 306         $fatal = true;
 307         ?><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>
 308         This option corrupts data input unpredictably; you cannot install or use
 309         MediaWiki unless this option is disabled.
 310         <?php
 311 }
 312
 313 if( ini_get( "mbstring.func_overload" ) ) {
 314         $fatal = true;
 315         ?><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>
 316         This option causes errors and may corrupt data unpredictably;
 317         you cannot install or use MediaWiki unless this option is disabled.
 318         <?php
 319 }
 320
 321 if( $fatal ) {
 322         dieout( "</ul><p>Cannot install MediaWiki.</p>" );
 323 }
 324
 325 if( ini_get( "safe_mode" ) ) {
 326         $conf->safeMode = true;
 327         ?>
 328         <li><b class='error'>Warning:</b> <strong>PHP's
 329         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 330         You may have problems caused by this, particularly if using image uploads.
 331         </li>
 332         <?php
 333 } else {
 334         $conf->safeMode = false;
 335 }
 336
 337 $sapi = php_sapi_name();
 338 $conf->prettyURLs = true;
 339 print "<li>PHP server API is $sapi; ";
 340 switch( $sapi ) {
 341 case "apache":
 342 case "apache2handler":
 343         print "ok, using pretty URLs (<tt>index.php/Page_Title</tt>)";
 344         break;
 345 default:
 346         print "unknown; ";
 347 case "cgi":
 348 case "cgi-fcgi":
 349 case "apache2filter":
 350 case "isapi":
 351         print "using ugly URLs (<tt>index.php?title=Page_Title</tt>)";
 352         $conf->prettyURLs = false;
 353         break;
 354 }
 355 print "</li>\n";
 356
 357 $conf->xml = function_exists( "utf8_encode" );
 358 if( $conf->xml ) {
 359         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 360 } else {
 361         dieout( "PHP's XML module is missing; the wiki requires functions in
 362                 this module and won't work in this configuration.
 363                 If you're running Mandrake, install the php-xml package." );
 364 }
 365
 366 # Crude check for session support
 367 if( !function_exists( 'session_name' ) )
 368         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 369
 370 # Likewise for PCRE
 371 if( !function_exists( 'preg_match' ) )
 372         dieout( "The PCRE regular expression functions are missing. MediaWiki requires these in order to function." );
 373
 374 $memlimit = ini_get( "memory_limit" );
 375 $conf->raiseMemory = false;
 376 if( empty( $memlimit ) || $memlimit == -1 ) {
 377         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 378 } else {
 379         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". <strong>If this is too low, installation may fail!</strong> ";
 380         $n = intval( $memlimit );
 381         if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
 382                 $n = intval( $m[1] * (1024*1024) );
 383         }
 384         if( $n < 20*1024*1024 ) {
 385                 print "Attempting to raise limit to 20M... ";
 386                 if( false === ini_set( "memory_limit", "20M" ) ) {
 387                         print "failed.";
 388                 } else {
 389                         $conf->raiseMemory = true;
 390                         print "ok.";
 391                 }
 392         }
 393         print "</li>\n";
 394 }
 395
 396 $conf->zlib = function_exists( "gzencode" );
 397 if( $conf->zlib ) {
 398         print "<li>Have zlib support; enabling output compression.</li>\n";
 399 } else {
 400         print "<li>No zlib support.</li>\n";
 401 }
 402
 403 $conf->turck = function_exists( 'mmcache_get' );
 404 if ( $conf->turck ) {
 405         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 406 }
 407
 408 $conf->apc = function_exists('apc_fetch');
 409 if ($conf->apc ) {
 410         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>";
 411 }
 412
 413 $conf->eaccel = function_exists( 'eaccelerator_get' );
 414 if ( $conf->eaccel ) {
 415         $conf->turck = 'eaccelerator';
 416         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 417 }
 418
 419 if( !$conf->turck && !$conf->eaccel && !$conf->apc ) {
 420         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 421                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a> or
 422                 <a href="http://www.php.net/apc">APC</a>. Object caching functions cannot be used.</li>' );
 423 }
 424
 425 $conf->diff3 = false;
 426 $diff3locations = array( "/usr/bin", "/usr/local/bin", "/opt/csw/bin", "/usr/gnu/bin", "/usr/sfw/bin" ) + explode( $sep, getenv( "PATH" ) );
 427 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 428
 429 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 430 foreach ($diff3locations as $loc) {
 431         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 432         if ($exe !== false) {
 433                 $conf->diff3 = $exe;
 434                 break;
 435         }
 436 }
 437
 438 if ($conf->diff3)
 439         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 440 else
 441         print "<li>GNU diff3 not found.</li>";
 442
 443 $conf->ImageMagick = false;
 444 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 445 foreach( $imcheck as $dir ) {
 446         $im = "$dir/convert";
 447         if( file_exists( $im ) ) {
 448                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 449                 $conf->ImageMagick = $im;
 450                 break;
 451         }
 452 }
 453
 454 $conf->HaveGD = function_exists( "imagejpeg" );
 455 if( $conf->HaveGD ) {
 456         print "<li>Found GD graphics library built-in";
 457         if( !$conf->ImageMagick ) {
 458                 print ", image thumbnailing will be enabled if you enable uploads";
 459         }
 460         print ".</li>\n";
 461 } else {
 462         if( !$conf->ImageMagick ) {
 463                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 464         }
 465 }
 466
 467 $conf->UseImageResize = $conf->HaveGD || $conf->ImageMagick;
 468
 469 $conf->IP = dirname( dirname( __FILE__ ) );
 470 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 471
 472 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $_SERVER["PHP_SELF"] ); # was SCRIPT_NAME
 473 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 474
 475 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 476         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 477
 478         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 479         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 480                 ? 'root@localhost'
 481                 : $_SERVER["SERVER_ADMIN"];
 482         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 483         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 484 ?>
 485
 486 <?php
 487         $conf->DBserver = importPost( "DBserver", "localhost" );
 488         $conf->DBname = importPost( "DBname", "wikidb" );
 489         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 490         $conf->DBpassword = importPost( "DBpassword" );
 491         $conf->DBpassword2 = importPost( "DBpassword2" );
 492         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 493         $conf->SysopPass = importPost( "SysopPass" );
 494         $conf->SysopPass2 = importPost( "SysopPass2" );
 495         $conf->RootUser = importPost( "RootUser", "root" );
 496         $conf->RootPW = importPost( "RootPW", "-" );
 497
 498         ## MySQL specific:
 499         $conf->DBprefix     =  importPost( "DBprefix" );
 500         $conf->DBmysql5     = (importPost( "DBmysql5" ) == "true") ? "true" : "false";
 501         $conf->LanguageCode =  importPost( "LanguageCode", "en" );
 502
 503         ## Postgres specific:
 504         $conf->DBport      = importPost( "DBport",      "5432" );
 505         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 506         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 507
 508 /* Check for validity */
 509 $errs = array();
 510
 511 if( $conf->Sitename == "" || $conf->Sitename == "MediaWiki" || $conf->Sitename == "Mediawiki" ) {
 512         $errs["Sitename"] = "Must not be blank or \"MediaWiki\"";
 513 }
 514 if( $conf->DBuser == "" ) {
 515         $errs["DBuser"] = "Must not be blank";
 516 }
 517 if( $conf->DBpassword == "" ) {
 518         $errs["DBpassword"] = "Must not be blank";
 519 }
 520 if( $conf->DBpassword != $conf->DBpassword2 ) {
 521         $errs["DBpassword2"] = "Passwords don't match!";
 522 }
 523 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 524         $errs["DBprefix"] = "Invalid table prefix";
 525 }
 526
 527 if( $conf->SysopPass == "" ) {
 528         $errs["SysopPass"] = "Must not be blank";
 529 }
 530 if( $conf->SysopPass != $conf->SysopPass2 ) {
 531         $errs["SysopPass2"] = "Passwords don't match!";
 532 }
 533
 534 $conf->License = importRequest( "License", "none" );
 535 if( $conf->License == "gfdl" ) {
 536         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 537         $conf->RightsText = "GNU Free Documentation License 1.2";
 538         $conf->RightsCode = "gfdl";
 539         $conf->RightsIcon = '${wgStylePath}/common/images/gnu-fdl.png';
 540 } elseif( $conf->License == "none" ) {
 541         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 542 } else {
 543         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 544         $conf->RightsText = importRequest( "RightsText", "" );
 545         $conf->RightsCode = importRequest( "RightsCode", "" );
 546         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 547 }
 548
 549 $conf->Shm = importRequest( "Shm", "none" );
 550 $conf->MCServers = importRequest( "MCServers" );
 551
 552 /* Test memcached servers */
 553
 554 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 555         $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
 556         foreach ( $conf->MCServerArray as $server ) {
 557                 $error = testMemcachedServer( $server );
 558                 if ( $error ) {
 559                         $errs["MCServers"] = $error;
 560                         break;
 561                 }
 562         }
 563 } else if ( $conf->Shm == 'memcached' ) {
 564         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 565 }
 566
 567 /* default values for installation */
 568 $conf->Email     = importRequest("Email", "email_enabled");
 569 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 570 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 571 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 572
 573 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 574         do { /* So we can 'continue' to end prematurely */
 575                 $conf->Root = ($conf->RootPW != "");
 576
 577                 /* Load up the settings and get installin' */
 578                 $local = writeLocalSettings( $conf );
 579                 echo "<p><b>Generating configuration file...</b></p>\n";
 580                 // for debugging: // echo "<pre>" . htmlspecialchars( $local ) . "</pre>\n";
 581
 582                 $wgCommandLineMode = false;
 583                 chdir( ".." );
 584                 eval($local);
 585                 $conf->DBtypename = '';
 586                 foreach (array_keys($ourdb) as $db) {
 587                         if ($conf->DBtype === $db)
 588                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 589                 }
 590                 if ( ! strlen($conf->DBtype)) {
 591                         $errs["DBpicktype"] = "Please choose a database type";
 592                         continue;
 593                 }
 594
 595                 if (! $conf->DBtypename) {
 596                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 597                         continue;
 598                 }
 599                 print "<li>Database type: {$conf->DBtypename}</li>\n";
 600                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 601                 $wgDBtype = $conf->DBtype;
 602                 $wgDBadminuser = "root";
 603                 $wgDBadminpassword = $conf->RootPW;
 604
 605                 ## Mysql specific:
 606                 $wgDBprefix = $conf->DBprefix;
 607
 608                 ## Postgres specific:
 609                 $wgDBport      = $conf->DBport;
 610                 $wgDBmwschema  = $conf->DBmwschema;
 611                 $wgDBts2schema = $conf->DBts2schema;
 612
 613                 $wgCommandLineMode = true;
 614                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 615                 require_once( "includes/Setup.php" );
 616                 chdir( "config" );
 617
 618                 require_once( "maintenance/InitialiseMessages.inc" );
 619
 620                 $wgTitle = Title::newFromText( "Installation script" );
 621                 error_reporting( E_ALL );
 622                 print "<li>Loading class: $dbclass";
 623                 $dbc = new $dbclass;
 624
 625                 if( $conf->DBtype == 'mysql' ) {
 626                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 627                         if( $mysqlOldClient ) {
 628                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 629                                         using a MySQL 4.1 server and have problems connecting to the database,
 630                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 631                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 632                         }
 633                         $ok = true; # Let's be optimistic
 634
 635                         # Decide if we're going to use the superuser or the regular database user
 636                         if( $conf->RootPW == '-' ) {
 637                                 # Regular user
 638                                 $conf->Root = false;
 639                                 $db_user = $wgDBuser;
 640                                 $db_pass = $wgDBpassword;
 641                         } else {
 642                                 # Superuser
 643                                 $conf->Root = true;
 644                                 $db_user = $conf->RootUser;
 645                                 $db_pass = $conf->RootPW;
 646                         }
 647
 648                         # Attempt to connect
 649                         echo( "<li>Attempting to connect to database server as $db_user..." );
 650                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 651
 652                         # Check the connection and respond to errors
 653                         if( $wgDatabase->isOpen() ) {
 654                                 # Seems OK
 655                                 $ok = true;
 656                                 $wgDBadminuser = $db_user;
 657                                 $wgDBadminpassword = $db_pass;
 658                                 echo( "success.</li>\n" );
 659                                 $wgDatabase->ignoreErrors( true );
 660                                 $myver = $wgDatabase->getServerVersion();
 661                         } else {
 662                                 # There were errors, report them and back out
 663                                 $ok = false;
 664                                 $errno = mysql_errno();
 665                                 $errtx = htmlspecialchars( mysql_error() );
 666                                 switch( $errno ) {
 667                                         case 1045:
 668                                         case 2000:
 669                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 670                                                 if( $conf->Root ) {
 671                                                         # The superuser details are wrong
 672                                                         $errs["RootUser"] = "Check username";
 673                                                         $errs["RootPW"] = "and password";
 674                                                 } else {
 675                                                         # The regular user details are wrong
 676                                                         $errs["DBuser"] = "Check username";
 677                                                         $errs["DBpassword"] = "and password";
 678                                                 }
 679                                                 break;
 680                                         case 2002:
 681                                         case 2003:
 682                                         default:
 683                                                 # General connection problem
 684                                                 echo( "failed with error [$errno] $errtx.</li>\n" );
 685                                                 $errs["DBserver"] = "Connection failed";
 686                                                 break;
 687                                 } # switch
 688                         } #conn. att.
 689
 690                         if( !$ok ) { continue; }
 691
 692                 } else /* not mysql */ {
 693                         error_reporting( E_ALL );
 694                         $wgSuperUser = '';
 695                         ## Possible connect as a superuser
 696                         if( $conf->RootPW != '-' and strlen($conf->RootPW)) {
 697                                 $wgDBsuperuser = $conf->RootUser;
 698                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"$wgDBsuperuser\"..." );
 699                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
 700                                 if (!$wgDatabase->isOpen()) {
 701                                         print " error: " . $wgDatabase->lastError() . "</li>\n";
 702                                         $errs["DBserver"] = "Could not connect to database as superuser";
 703                                         $errs["RootUser"] = "Check username";
 704                                         $errs["RootPW"] = "and password";
 705                                         continue;
 706                                 }
 707                         }
 708                         echo( "<li>Attempting to connect to database \"$wgDBname\" as \"$wgDBuser\"..." );
 709                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
 710                         if (!$wgDatabase->isOpen()) {
 711                                 print " error: " . $wgDatabase->lastError() . "</li>\n";
 712                         } else {
 713                                 $myver = $wgDatabase->getServerVersion();
 714                         }
 715                 }
 716
 717                 if ( !$wgDatabase->isOpen() ) {
 718                         $errs["DBserver"] = "Couldn't connect to database";
 719                         continue;
 720                 }
 721
 722                 print "<li>Connected to $myver";
 723                 if ($conf->DBtype == 'mysql') {
 724                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
 725                                 dieout( " -- mysql 4.0.14 or later required. Aborting." );
 726                         }
 727                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
 728                         if( $mysqlNewAuth && $mysqlOldClient ) {
 729                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
 730                                         to old client libraries; if you have trouble with authentication, see
 731                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 732                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
 733                         }
 734                         if( $wgDBmysql5 ) {
 735                                 if( $mysqlNewAuth ) {
 736                                         print "; enabling MySQL 4.1/5.0 charset mode";
 737                                 } else {
 738                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
 739                                                 but older version detected; will likely fail.</b>";
 740                                 }
 741                         }
 742                         print "</li>\n";
 743
 744                         @$sel = $wgDatabase->selectDB( $wgDBname );
 745                         if( $sel ) {
 746                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
 747                         } else {
 748                                 $err = mysql_errno();
 749                                 if ( $err != 1049 ) {
 750                                         print "<ul><li>Error selecting database $wgDBname: $err " .
 751                                                 htmlspecialchars( mysql_error() ) . "</li></ul>";
 752                                         continue;
 753                                 }
 754                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
 755                                 if( !$res ) {
 756                                         print "<li>Couldn't create database <tt>" .
 757                                                 htmlspecialchars( $wgDBname ) .
 758                                                 "</tt>; try with root access or check your username/pass.</li>\n";
 759                                         $errs["RootPW"] = "&lt;- Enter";
 760                                         continue;
 761                                 }
 762                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
 763                         }
 764                         $wgDatabase->selectDB( $wgDBname );
 765                 }
 766                 else if ($conf->DBtype == 'postgres') {
 767                         if( version_compare( $myver, "PostgreSQL 8.0" ) < 0 ) {
 768                                 dieout( " <b>Postgres 8.0 or later is required</b>. Aborting.</li></ul>" );
 769                         }
 770                 }
 771
 772                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
 773                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
 774
 775                         # Create user if required (todo: other databases)
 776                         if ( $conf->Root && $conf->DBtype == 'mysql') {
 777                                 $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 778                                 if ( $conn->isOpen() ) {
 779                                         print "<li>DB user account ok</li>\n";
 780                                         $conn->close();
 781                                 } else {
 782                                         print "<li>Granting user permissions...";
 783                                         if( $mysqlOldClient && $mysqlNewAuth ) {
 784                                                 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>";
 785                                         }
 786                                         print "</li>\n";
 787                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 788                                 }
 789                         }
 790                         if ( $conf->DBtype == 'mysql') {
 791                                 print "<pre>\n";
 792                                 chdir( ".." );
 793                                 flush();
 794                                 do_all_updates();
 795                                 chdir( "config" );
 796                                 print "</pre>\n";
 797                         }
 798                         print "<li>Finished update checks.</li>\n";
 799                 } else {
 800                         # FIXME: Check for errors
 801                         print "<li>Creating tables...";
 802                         if ($conf->DBtype == 'mysql') {
 803                                 if( $wgDBmysql5 ) {
 804                                         print " using MySQL 5 table defs...";
 805                                         dbsource( "../maintenance/mysql5/tables.sql", $wgDatabase );
 806                                 } else {
 807                                         print " using MySQL 4 table defs...";
 808                                         dbsource( "../maintenance/tables.sql", $wgDatabase );
 809                                 }
 810                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
 811                         } else if ($conf->DBtype == 'postgres') {
 812                                 $wgDatabase->setup_database();
 813                         }
 814                         else {
 815                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
 816                                 continue;
 817                         }
 818
 819                         print " done.</li>\n";
 820
 821                         print "<li>Initializing data...";
 822                         $wgDatabase->insert( 'site_stats',
 823                                 array ( 'ss_row_id'        => 1,
 824                                                 'ss_total_views'   => 0,
 825                                                 'ss_total_edits'   => 0,
 826                                                 'ss_good_articles' => 0 ) );
 827
 828                         # Set up the "regular user" account *if we can, and if we need to*
 829                         if( $conf->Root and $conf->DBtype == 'mysql') {
 830                                 # See if we need to
 831                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 832                                 if( $wgDatabase2->isOpen() ) {
 833                                         # Nope, just close the test connection and continue
 834                                         $wgDatabase2->close();
 835                                         echo( "<li>User $wgDBuser exists. Skipping grants.</li>" );
 836                                 } else {
 837                                         # Yes, so run the grants
 838                                         echo( "<li>Granting user permissions to $wgDBuser on $wgDBname..." );
 839                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 840                                         echo( "success.</li>" );
 841                                 }
 842                         }
 843
 844                         if( $conf->SysopName ) {
 845                                 $u = User::newFromName( $conf->getSysopName() );
 846                                 if ( 0 == $u->idForName() ) {
 847                                         $u->addToDatabase();
 848                                         $u->setPassword( $conf->getSysopPass() );
 849                                         $u->saveSettings();
 850
 851                                         $u->addGroup( "sysop" );
 852                                         $u->addGroup( "bureaucrat" );
 853
 854                                         print "<li>Created sysop account <tt>" .
 855                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
 856                                 } else {
 857                                         print "<li>Could not create user - already exists!</li>\n";
 858                                 }
 859                         } else {
 860                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
 861                         }
 862
 863                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
 864                         $article = new Article( $titleobj );
 865                         $newid = $article->insertOn( $wgDatabase );
 866                         $revision = new Revision( array(
 867                                 'page'      => $newid,
 868                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsg( 'mainpagedocfooter' ),
 869                                 'comment'   => '',
 870                                 'user'      => 0,
 871                                 'user_text' => 'MediaWiki default',
 872                                 ) );
 873                         $revid = $revision->insertOn( $wgDatabase );
 874                         $article->updateRevisionOn( $wgDatabase, $revision );
 875
 876                         initialiseMessages( false, false, 'printListItem' );
 877                 }
 878
 879                 /* Write out the config file now that all is well */
 880                 print "<p>Creating LocalSettings.php...</p>\n\n";
 881                 $localSettings = "<" . "?php$endl$local$endl?" . ">\r\n";
 882                 // Fix up a common line-ending problem (due to CVS on Windows)
 883                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
 884                 $f = fopen( "LocalSettings.php", 'xt' );
 885
 886                 if( $f == false ) {
 887                         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" .
 888                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
 889                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
 890                 }
 891                 if(fwrite( $f, $localSettings ) ) {
 892                         fclose( $f );
 893                         writeSuccessMessage();
 894                 } else {
 895                         fclose( $f );
 896                         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");
 897
 898                 }
 899
 900         } while( false );
 901 }
 902 ?>
 903 </ul>
 904
 905
 906 <?php
 907
 908 if( count( $errs ) ) {
 909         /* Display options form */
 910
 911         if( $conf->posted ) {
 912                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
 913         }
 914 ?>
 915
 916 <form action="index.php" name="config" method="post">
 917
 918
 919 <h2>Site config</h2>
 920
 921 <div class="config-section">
 922         <div class="config-input">
 923                 <?php
 924                 aField( $conf, "Sitename", "Wiki name:" );
 925                 ?>
 926         </div>
 927         <p class="config-desc">
 928                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
 929                 Will appear as the namespace name for "meta" pages, and throughout the interface.
 930         </p>
 931
 932         <div class="config-input">
 933                 <?php
 934                 aField( $conf, "EmergencyContact", "Contact e-mail:" );
 935                 ?>
 936         </div>
 937         <p class="config-desc">
 938                 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.
 939         </p>
 940
 941         <div class="config-input">
 942                 <label class='column' for="LanguageCode">Language:</label>
 943                 <select id="LanguageCode" name="LanguageCode">
 944
 945                 <?php
 946                         $list = getLanguageList();
 947                         foreach( $list as $code => $name ) {
 948                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
 949                                 echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
 950                         }
 951                 ?>
 952                 </select>
 953         </div>
 954         <p class="config-desc">
 955                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) used for all localizations.
 956         </p>
 957
 958         <div class="config-input">
 959                 <label class='column'>Copyright/license:</label>
 960
 961                 <ul class="plain">
 962                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
 963                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
 964                 <li><?php
 965                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
 966                         $partner = "MediaWiki";
 967                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/index.php?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
 968                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
 969                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
 970                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
 971                         ?>
 972                 <?php if( $conf->License == "cc" ) { ?>
 973                         <ul>
 974                                 <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='icon' />", "hidden" ); ?></li>
 975                                 <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
 976                                 <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
 977                                 <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
 978                         </ul>
 979                 <?php } ?>
 980                         </li>
 981                 </ul>
 982         </div>
 983         <p class="config-desc">
 984                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
 985         </p>
 986
 987
 988         <div class="config-input">
 989                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
 990         </div>
 991         <div class="config-input">
 992                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
 993         </div>
 994         <div class="config-input">
 995                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
 996         </div>
 997         <p class="config-desc">
 998                 An admin can lock/delete pages, block users from editing, and other maintenance tasks.<br />
 999                 A new account will be added only when creating a new wiki database.
1000         </p>
1001
1002         <div class="config-input">
1003                 <label class='column'>Shared memory caching:</label>
1004
1005                 <ul class="plain">
1006                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1007                 <?php
1008                         if ( $conf->turck ) {
1009                                 echo "<li>";
1010                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1011                                 echo "</li>";
1012                         }
1013                         if ( $conf->apc ) {
1014                                 echo "<li>";
1015                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1016                                 echo "</li>";
1017                         }
1018                         if ( $conf->eaccel ) {
1019                                 echo "<li>";
1020                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1021                                 echo "</li>";
1022                         }
1023                 ?>
1024                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1025                 </ul>
1026                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1027         </div>
1028         <p class="config-desc">
1029                 Using a shared memory system such as Turck MMCache, APC, eAccelerator, or Memcached
1030                 will speed up MediaWiki significantly. Memcached is the best solution but needs to be
1031                 installed. Specify the server addresses and ports in a comma-separted list. Only
1032                 use Turck shared memory if the wiki will be running on a single Apache server.
1033         </p>
1034 </div>
1035
1036 <h2>E-mail, e-mail notification and authentication setup</h2>
1037
1038 <div class="config-section">
1039         <div class="config-input">
1040                 <label class='column'>E-mail features (global):</label>
1041                 <ul class="plain">
1042                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1043                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1044                 </ul>
1045         </div>
1046         <p class="config-desc">
1047                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail and e-mail notifications)
1048                 if sending mail doesn't work on your server.
1049         </p>
1050
1051         <div class="config-input">
1052                 <label class='column'>User-to-user e-mail:</label>
1053                 <ul class="plain">
1054                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1055                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1056                 </ul>
1057         </div>
1058         <p class="config-desc">
1059                 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.
1060         </p>
1061         <div class="config-input">
1062                 <label class='column'>E-mail notification about changes:</label>
1063                 <ul class="plain">
1064                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1065                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1066                 <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>
1067                 </ul>
1068         </div>
1069         <div class="config-desc">
1070                 <p>
1071                 For this feature to work, an e-mail address must be present for the user account, and the notification
1072                 options in the user's preferences must be enabled. Also note the
1073                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1074
1075                 <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>
1076         </div>
1077
1078         <div class="config-input">
1079                 <label class='column'>E-mail address authentication:</label>
1080                 <ul class="plain">
1081                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1082                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1083                 </ul>
1084         </div>
1085         <div class="config-desc">
1086                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1087                 change notification mails. Setting this option is <B>recommended</B> for public wikis because of potential abuse of the e-mail features above.</p>
1088         </div>
1089
1090 </div>
1091
1092 <h2>Database config</h2>
1093
1094 <div class="config-section">
1095 <div class="config-input">
1096                 <label class='column'>Database type:</label>
1097 <?php if (isset($errs['DBpicktype'])) print "<span class='error'>$errs[DBpicktype]</span>\n"; ?>
1098                 <ul class='plain'><?php database_picker($conf) ?></ul>
1099         </div>
1100
1101         <div class="config-input" style="clear:left"><?php
1102                 aField( $conf, "DBserver", "Database host:" );
1103         ?></div>
1104         <p class="config-desc">
1105                 If your database server isn't on your web server, enter the name or IP address here.
1106         </p>
1107
1108         <div class="config-input"><?php
1109                 aField( $conf, "DBname", "Database name:" );
1110         ?></div>
1111         <div class="config-input"><?php
1112                 aField( $conf, "DBuser", "DB username:" );
1113         ?></div>
1114         <div class="config-input"><?php
1115                 aField( $conf, "DBpassword", "DB password:", "password" );
1116         ?></div>
1117         <div class="config-input"><?php
1118                 aField( $conf, "DBpassword2", "DB password confirm:", "password" );
1119         ?></div>
1120         <p class="config-desc">
1121                 If you only have a single user account and database available,
1122                 enter those here. If you have database root access (see below)
1123                 you can specify new accounts/databases to be created. This account
1124                 will not be created if it pre-exists. If this is the case, ensure that it
1125                 has SELECT, INSERT, UPDATE and DELETE permissions on the MediaWiki database.
1126         </p>
1127
1128         <div class="config-input">
1129                 <?php
1130                 aField( $conf, "RootUser", "Superuser account:", "superuser" );
1131                 ?>
1132         </div>
1133         <div class="config-input">
1134                 <?php
1135                 aField( $conf, "RootPW", "Superuser password:", "password" );
1136                 ?>
1137         </div>
1138
1139         <p class="config-desc">
1140                 If the database user specified above does not exist, or does not have access to create
1141                 the database (if needed) or tables within it, please provide details of a superuser account,
1142                 such as <strong>root</strong>, which does. Leave the password set to <strong>-</strong> if this is not needed.
1143         </p>
1144
1145         <?php database_switcher('mysql'); ?>
1146         <div class="config-input"><?php
1147                 aField( $conf, "DBprefix", "Database table prefix:" );
1148         ?></div>
1149         <div class="config-desc">
1150                 <p>If you need to share one database between multiple wikis, or
1151                 MediaWiki and another web application, you may choose to
1152                 add a prefix to all the table names to avoid conflicts.</p>
1153
1154                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1155         </div>
1156
1157         <div class="config-input"><label class="column">Database charset</label>
1158                 <div>Select one:</div>
1159                 <ul class="plain">
1160                 <li><?php aField( $conf, "DBmysql5", "Backwards-compatible UTF-8", "radio", "false" ); ?></li>
1161                 <li><?php aField( $conf, "DBmysql5", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "true" ); ?></li>
1162                 </ul>
1163         </div>
1164         <p class="config-desc">
1165                 <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
1166                 for MySQL 4.1 and 5.0 servers. This is not well tested and may
1167                 cause things to break. <b>If upgrading an older installation, leave
1168                 in backwards-compatible mode.</b>
1169         </p>
1170         </div>
1171
1172         <?php database_switcher('postgres'); ?>
1173         <div class="config-input"><?php
1174                 aField( $conf, "DBport", "Database port:" );
1175         ?></div>
1176         <div class="config-input"><?php
1177                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1178         ?></div>
1179         <div class="config-input"><?php
1180                 aField( $conf, "DBts2schema", "Schema for tsearch2:" );
1181         ?></div>
1182         <div class="config-desc">
1183                 <p>The username specified above will have it's search path set to the above schemas,
1184                 so it is recommended that you create a new user.</p>
1185         </div>
1186         </div>
1187
1188         <div class="config-input" style="padding:2em 0 3em">
1189                 <label class='column'>&nbsp;</label>
1190                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1191         </div>
1192
1193 </div>
1194
1195 <script type="text/javascript">
1196 window.onload = toggleDBarea('<?php echo $conf->DBtype; ?>',
1197 <?php
1198         ## If they passed in a root user name, don't populate it on page load
1199         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1200 ?>);
1201 </script>
1202
1203 </form>
1204
1205 <?php
1206 }
1207
1208 /* -------------------------------------------------------------------------------------- */
1209 function writeSuccessMessage() {
1210         if ( ini_get( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1211                 echo <<<EOT
1212 <p>Installation successful!</p>
1213 <p>To complete the installation, please do the following:
1214 <ol>
1215         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1216         <li>Upload it to the parent directory</li>
1217         <li>Delete config/LocalSettings.php</li>
1218         <li>Start using <a href='../index.php'>your wiki</a>!
1219 </ol>
1220 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1221 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1222 which means that anyone on the same server can read your database password! Downloading
1223 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1224 EOT;
1225         } else {
1226                 echo "<p>Installation successful! Move the config/LocalSettings.php file into the parent directory, then follow
1227                         <a href='../index.php'>this link</a> to your wiki.</p>\n";
1228         }
1229 }
1230
1231
1232 function escapePhpString( $string ) {
1233         return strtr( $string,
1234                 array(
1235                         "\n" => "\\n",
1236                         "\r" => "\\r",
1237                         "\t" => "\\t",
1238                         "\\" => "\\\\",
1239                         "\$" => "\\\$",
1240                         "\"" => "\\\""
1241                 ));
1242 }
1243
1244 function writeLocalSettings( $conf ) {
1245         $conf->UseImageResize = $conf->UseImageResize ? 'true' : 'false';
1246         $conf->PasswordSender = $conf->EmergencyContact;
1247         $zlib = ($conf->zlib ? "" : "# ");
1248         $magic = ($conf->ImageMagick ? "" : "# ");
1249         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1250         $pretty = ($conf->prettyURLs ? "" : "# ");
1251         $ugly = ($conf->prettyURLs ? "# " : "");
1252         $rights = ($conf->RightsUrl) ? "" : "# ";
1253         $hashedUploads = $conf->safeMode ? '' : '# ';
1254
1255         switch ( $conf->Shm ) {
1256                 case 'memcached':
1257                         $cacheType = 'CACHE_MEMCACHED';
1258                         $mcservers = var_export( $conf->MCServerArray, true );
1259                         break;
1260                 case 'turck':
1261                 case 'apc':
1262                 case 'eaccel':
1263                         $cacheType = 'CACHE_ACCEL';
1264                         $mcservers = 'array()';
1265                         break;
1266                 default:
1267                         $cacheType = 'CACHE_NONE';
1268                         $mcservers = 'array()';
1269         }
1270
1271         if ( $conf->Email == 'email_enabled' ) {
1272                 $enableemail = 'true';
1273                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1274                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1275                 switch ( $conf->Enotif ) {
1276                         case 'enotif_usertalk':
1277                                 $enotifusertalk = 'true';
1278                                 $enotifwatchlist = 'false';
1279                                 break;
1280                         case 'enotif_allpages':
1281                                 $enotifusertalk = 'true';
1282                                 $enotifwatchlist = 'true';
1283                                 break;
1284                         default:
1285                                 $enotifusertalk = 'false';
1286                                 $enotifwatchlist = 'false';
1287                 }
1288         } else {
1289                 $enableuseremail = 'false';
1290                 $enableemail = 'false';
1291                 $eauthent = 'false';
1292                 $enotifusertalk = 'false';
1293                 $enotifwatchlist = 'false';
1294         }
1295
1296         $file = @fopen( "/dev/urandom", "r" );
1297         if ( $file ) {
1298                 $secretKey = bin2hex( fread( $file, 32 ) );
1299                 fclose( $file );
1300         } else {
1301                 $secretKey = "";
1302                 for ( $i=0; $i<8; $i++ ) {
1303                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1304                 }
1305                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1306         }
1307
1308         # Add slashes to strings for double quoting
1309         $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
1310         if( $conf->License == 'gfdl' ) {
1311                 # Needs literal string interpolation for the current style path
1312                 $slconf['RightsIcon'] = $conf->RightsIcon;
1313         }
1314
1315         $localsettings = "
1316 # This file was automatically generated by the MediaWiki installer.
1317 # If you make manual changes, please keep track in case you need to
1318 # recreate them later.
1319 #
1320 # See includes/DefaultSettings.php for all configurable settings
1321 # and their default values, but don't forget to make changes in _this_
1322 # file, not there.
1323
1324 # If you customize your file layout, set \$IP to the directory that contains
1325 # the other MediaWiki files. It will be used as a base to locate files.
1326 if( defined( 'MW_INSTALL_PATH' ) ) {
1327         \$IP = MW_INSTALL_PATH;
1328 } else {
1329         \$IP = dirname( __FILE__ );
1330 }
1331
1332 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1333 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1334
1335 require_once( \"includes/DefaultSettings.php\" );
1336
1337 # If PHP's memory limit is very low, some operations may fail.
1338 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1339
1340 if ( \$wgCommandLineMode ) {
1341         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1342                 die( \"This script must be run from the command line\\n\" );
1343         }
1344 } elseif ( empty( \$wgNoOutputBuffer ) ) {
1345         ## Compress output if the browser supports it
1346         {$zlib}if( !ini_get( 'zlib.output_compression' ) ) @ob_start( 'ob_gzhandler' );
1347 }
1348
1349 \$wgSitename         = \"{$slconf['Sitename']}\";
1350
1351 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1352 \$wgScript           = \"\$wgScriptPath/index.php\";
1353 \$wgRedirectScript   = \"\$wgScriptPath/redirect.php\";
1354
1355 ## For more information on customizing the URLs please see:
1356 ## http://meta.wikimedia.org/wiki/Eliminating_index.php_from_the_url
1357 ## If using PHP as a CGI module, the ?title= style usually must be used.
1358 {$pretty}\$wgArticlePath      = \"\$wgScript/\$1\";
1359 {$ugly}\$wgArticlePath      = \"\$wgScript?title=\$1\";
1360
1361 \$wgStylePath        = \"\$wgScriptPath/skins\";
1362 \$wgStyleDirectory   = \"\$IP/skins\";
1363 \$wgLogo             = \"\$wgStylePath/common/images/wiki.png\";
1364
1365 \$wgUploadPath       = \"\$wgScriptPath/images\";
1366 \$wgUploadDirectory  = \"\$IP/images\";
1367
1368 \$wgEnableEmail      = $enableemail;
1369 \$wgEnableUserEmail  = $enableuseremail;
1370
1371 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1372 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1373
1374 ## For a detailed description of the following switches see
1375 ## http://meta.wikimedia.org/Enotif and http://meta.wikimedia.org/Eauthent
1376 ## There are many more options for fine tuning available see
1377 ## /includes/DefaultSettings.php
1378 ## UPO means: this is also a user preference option
1379 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1380 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1381 \$wgEmailAuthentication = $eauthent;
1382
1383 \$wgDBserver         = \"{$slconf['DBserver']}\";
1384 \$wgDBname           = \"{$slconf['DBname']}\";
1385 \$wgDBuser           = \"{$slconf['DBuser']}\";
1386 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1387 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1388 \$wgDBtype           = \"{$slconf['DBtype']}\";
1389 \$wgDBport           = \"{$slconf['DBport']}\";
1390
1391 # Experimental charset support for MySQL 4.1/5.0.
1392 \$wgDBmysql5 = {$conf->DBmysql5};
1393
1394 ## Shared memory settings
1395 \$wgMainCacheType = $cacheType;
1396 \$wgMemCachedServers = $mcservers;
1397
1398 ## To enable image uploads, make sure the 'images' directory
1399 ## is writable, then set this to true:
1400 \$wgEnableUploads       = false;
1401 \$wgUseImageResize      = {$conf->UseImageResize};
1402 {$magic}\$wgUseImageMagick = true;
1403 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1404
1405 ## If you want to use image uploads under safe mode,
1406 ## create the directories images/archive, images/thumb and
1407 ## images/temp, and make them all writable. Then uncomment
1408 ## this, if it's not already uncommented:
1409 {$hashedUploads}\$wgHashedUploadDirectory = false;
1410
1411 ## If you have the appropriate support software installed
1412 ## you can enable inline LaTeX equations:
1413 \$wgUseTeX           = false;
1414 \$wgMathPath         = \"{\$wgUploadPath}/math\";
1415 \$wgMathDirectory    = \"{\$wgUploadDirectory}/math\";
1416 \$wgTmpDirectory     = \"{\$wgUploadDirectory}/tmp\";
1417
1418 \$wgLocalInterwiki   = \$wgSitename;
1419
1420 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1421
1422 \$wgProxyKey = \"$secretKey\";
1423
1424 ## Default skin: you can change the default skin. Use the internal symbolic
1425 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1426 \$wgDefaultSkin = 'monobook';
1427
1428 ## For attaching licensing metadata to pages, and displaying an
1429 ## appropriate copyright notice / icon. GNU Free Documentation
1430 ## License and Creative Commons licenses are supported so far.
1431 {$rights}\$wgEnableCreativeCommonsRdf = true;
1432 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1433 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1434 \$wgRightsText = \"{$slconf['RightsText']}\";
1435 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1436 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1437
1438 \$wgDiff3 = \"{$slconf['diff3']}\";
1439
1440 # When you make changes to this configuration file, this will make
1441 # sure that cached pages are cleared.
1442 \$configdate = gmdate( 'YmdHis', @filemtime( __FILE__ ) );
1443 \$wgCacheEpoch = max( \$wgCacheEpoch, \$configdate );
1444         "; ## End of setting the $localsettings string
1445
1446         // Keep things in Unix line endings internally;
1447         // the system will write out as local text type.
1448         return str_replace( "\r\n", "\n", $localsettings );
1449 }
1450
1451 function dieout( $text ) {
1452         die( $text . "\n\n</body>\n</html>" );
1453 }
1454
1455 function importVar( &$var, $name, $default = "" ) {
1456         if( isset( $var[$name] ) ) {
1457                 $retval = $var[$name];
1458                 if ( get_magic_quotes_gpc() ) {
1459                         $retval = stripslashes( $retval );
1460                 }
1461         } else {
1462                 $retval = $default;
1463         }
1464         return $retval;
1465 }
1466
1467 function importPost( $name, $default = "" ) {
1468         return importVar( $_POST, $name, $default );
1469 }
1470
1471 function importRequest( $name, $default = "" ) {
1472         return importVar( $_REQUEST, $name, $default );
1473 }
1474
1475 $radioCount = 0;
1476
1477 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
1478         global $radioCount;
1479         if( $type != "" ) {
1480                 $xtype = "type=\"$type\"";
1481         } else {
1482                 $xtype = "";
1483         }
1484
1485         $id = $field;
1486         $nolabel = ($type == "radio") || ($type == "hidden");
1487
1488         if ($type == 'radio')
1489                 $id .= $radioCount++;
1490
1491         if( $nolabel ) {
1492                 echo "\t\t<label>";
1493         } else {
1494                 echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
1495         }
1496
1497         if( $type == "radio" && $value == $conf->$field ) {
1498                 $checked = "checked='checked'";
1499         } else {
1500                 $checked = "";
1501         }
1502         echo "\t\t<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
1503         if ($onclick) {
1504                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
1505         }
1506         echo "value=\"";
1507         if( $type == "radio" ) {
1508                 echo htmlspecialchars( $value );
1509         } else {
1510                 echo htmlspecialchars( $conf->$field );
1511         }
1512
1513
1514         echo "\" />\n";
1515         if( $nolabel ) {
1516                 echo " $text</label>\n";
1517         }
1518
1519         global $errs;
1520         if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
1521 }
1522
1523 function getLanguageList() {
1524         global $wgLanguageNames;
1525         if( !isset( $wgLanguageNames ) ) {
1526                 require_once( "languages/Names.php" );
1527         }
1528
1529         $codes = array();
1530
1531         $d = opendir( "../languages" );
1532         /* In case we are called from the root directory */
1533         if (!$d)
1534                 $d = opendir( "languages");
1535         while( false !== ($f = readdir( $d ) ) ) {
1536                 $m = array();
1537                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
1538                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
1539                         if( isset( $wgLanguageNames[$code] ) ) {
1540                                 $name = $code . ' - ' . $wgLanguageNames[$code];
1541                         } else {
1542                                 $name = $code;
1543                         }
1544                         $codes[$code] = $name;
1545                 }
1546         }
1547         closedir( $d );
1548         ksort( $codes );
1549         return $codes;
1550 }
1551
1552 #Check for location of an executable
1553 # @param string $loc single location to check
1554 # @param array $names filenames to check for.
1555 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
1556 function locate_executable($loc, $names, $versioninfo = false) {
1557         if (!is_array($names))
1558                 $names = array($names);
1559
1560         foreach ($names as $name) {
1561                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
1562                 if (file_exists($command)) {
1563                         if (!$versioninfo)
1564                                 return $command;
1565
1566                         $file = str_replace('$1', $command, $versioninfo[0]);
1567                         if (strstr(`$file`, $versioninfo[1]) !== false)
1568                                 return $command;
1569                 }
1570         }
1571         return false;
1572 }
1573
1574 # Test a memcached server
1575 function testMemcachedServer( $server ) {
1576         $hostport = explode(":", $server);
1577         $errstr = false;
1578         $fp = false;
1579         if ( !function_exists( 'fsockopen' ) ) {
1580                 $errstr = "Can't connect to memcached, fsockopen() not present";
1581         }
1582         if ( !$errstr && count( $hostport ) != 2 ) {
1583                 $errstr = 'Please specify host and port';
1584                 var_dump( $hostport );
1585         }
1586         if ( !$errstr ) {
1587                 list( $host, $port ) = $hostport;
1588                 $errno = 0;
1589                 $fsockerr = '';
1590
1591                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
1592                 if ( $fp === false ) {
1593                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
1594                 }
1595         }
1596         if ( !$errstr ) {
1597                 $command = "version\r\n";
1598                 $bytes = fwrite( $fp, $command );
1599                 if ( $bytes != strlen( $command ) ) {
1600                         $errstr = "Cannot write to memcached socket on $host:$port";
1601                 }
1602         }
1603         if ( !$errstr ) {
1604                 $expected = "VERSION ";
1605                 $response = fread( $fp, strlen( $expected ) );
1606                 if ( $response != $expected ) {
1607                         $errstr = "Didn't get correct memcached response from $host:$port";
1608                 }
1609         }
1610         if ( $fp ) {
1611                 fclose( $fp );
1612         }
1613         if ( !$errstr ) {
1614                 echo "<li>Connected to memcached on $host:$port successfully";
1615         }
1616         return $errstr;
1617 }
1618
1619 function database_picker($conf) {
1620         global $ourdb;
1621         print "\n";
1622         foreach(array_keys($ourdb) as $db) {
1623                 if ($ourdb[$db]['havedriver']) {
1624                         print "<li>";
1625                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
1626                         print "</li>\n";
1627                 }
1628         }
1629         print "\n";
1630 }
1631
1632 function database_switcher($db) {
1633         global $ourdb;
1634         $color = $ourdb[$db]['bgcolor'];
1635         $full = $ourdb[$db]['fullname'];
1636         print "<div id='$db' style='display:none; background: $color'>\n";
1637         print "<h3>$full specific options:</h3>\n";
1638 }
1639
1640 function printListItem( $item ) {
1641         print "<li>$item</li>";
1642 }
1643
1644 ?>
1645
1646         <div class="license">
1647         <hr>
1648         <p>This program is free software; you can redistribute it and/or modify
1649          it under the terms of the GNU General Public License as published by
1650          the Free Software Foundation; either version 2 of the License, or
1651          (at your option) any later version.</p>
1652
1653          <p>This program is distributed in the hope that it will be useful,
1654          but WITHOUT ANY WARRANTY; without even the implied warranty of
1655          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1656          GNU General Public License for more details.</p>
1657
1658          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
1659          along with this program; if not, write to the Free Software
1660          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
1661          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
1662         </div>
1663
1664 </div></div></div>
1665
1666
1667 <div id="column-one">
1668         <div class="portlet" id="p-logo">
1669           <a style="background-image: url(../skins/common/images/mediawiki.png);"
1670             href="http://www.mediawiki.org/"
1671             title="Main Page"></a>
1672         </div>
1673         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
1674         <div class='portlet'><div class='pBody'>
1675                 <ul>
1676                         <li><strong><a href="http://www.mediawiki.org/">MediaWiki home</a></strong></li>
1677                         <li><a href="../README">Readme</a></li>
1678                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
1679                         <li><a href="../docs/">Documentation</a></li>
1680                         <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
1681                         <li><a href="http://meta.wikimedia.org/wiki/MediaWiki_FAQ">FAQ</a></li>
1682                 </ul>
1683                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright &copy; 2001-2006 by Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik M&ouml;ller, Gabriel Wicke and others.</p>
1684         </div></div>
1685 </div>
1686
1687 </div>
1688
1689 </body>
1690 </html>