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
  54 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  55 $ourdb['postgres']['havedriver'] = 0;
  56 $ourdb['postgres']['compile']    = 'pgsql';
  57 $ourdb['postgres']['bgcolor']    = '#aaccff';
  58
  59 ?>
  60 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  61 <html>
  62 <head>
  63         <meta http-equiv="Content-type" content="text/html; charset=utf-8">
  64         <title>MediaWiki <?php echo( $wgVersion ); ?> Installation</title>
  65         <style type="text/css">
  66
  67                 @import "../skins/monobook/main.css";
  68
  69                 .env-check {
  70                         font-size: 90%;
  71                         margin: 1em 0 1em 2.5em;
  72                 }
  73
  74                 .config-section {
  75                         margin-top: 2em;
  76                 }
  77
  78                 .config-section label.column {
  79                         clear: left;
  80                         font-weight: bold;
  81                         width: 13em;
  82                         float: left;
  83                         text-align: right;
  84                         padding-right: 1em;
  85                         padding-top: .2em;
  86                 }
  87
  88                 .config-input {
  89                         clear: left;
  90                         zoom: 100%; /* IE hack */
  91                 }
  92
  93                 .config-section .config-desc {
  94                         clear: left;
  95                         margin: 0 0 2em 18em;
  96                         padding-top: 1em;
  97                         font-size: 85%;
  98                 }
  99
 100                 .iput-text, .iput-password {
 101                         width: 14em;
 102                         margin-right: 1em;
 103                 }
 104
 105                 .error {
 106                         color: red;
 107                         background-color: #fff;
 108                         font-weight: bold;
 109                         left: 1em;
 110                         font-size: 100%;
 111                 }
 112
 113                 .error-top {
 114                         color: red;
 115                         background-color: #FFF0F0;
 116                         border: 2px solid        red;
 117                         font-size: 130%;
 118                         font-weight: bold;
 119                         padding: 1em 1.5em;
 120                         margin: 2em 0 1em;
 121                 }
 122
 123                 ul.plain {
 124                         list-style-type: none;
 125                         list-style-image: none;
 126                         float: left;
 127                         margin: 0;
 128                         padding: 0;
 129                 }
 130
 131                 .btn-install {
 132                         font-weight: bold;
 133                         font-size: 110%;
 134                         padding: .2em .3em;
 135                 }
 136
 137                 .license {
 138                         font-size: 85%;
 139                         padding-top: 3em;
 140                 }
 141
 142         </style>
 143         <script type="text/javascript">
 144         <!--
 145         function hideall() {
 146                 <?php foreach (array_keys($ourdb) as $db) {
 147                 echo "document.getElementById('$db').style.display='none';\n";
 148                 }
 149                 ?>
 150         }
 151         function togglearea(id) {
 152                 hideall();
 153                 var dbarea = document.getElementById(id).style;
 154                 dbarea.display = dbarea.display = 'none' ? 'block' : 'none';
 155         }
 156         // -->
 157         </script>
 158 </head>
 159
 160 <body>
 161 <div id="globalWrapper">
 162 <div id="column-content">
 163 <div id="content">
 164 <div id="bodyContent">
 165
 166 <h1>MediaWiki <?php print $wgVersion ?> Installation</h1>
 167
 168 <?php
 169
 170 /* Check for existing configurations and bug out! */
 171
 172 if( file_exists( "../LocalSettings.php" ) ) {
 173         dieout( "       <p><strong>Setup has completed, <a href='../index.php'>your wiki</a> is configured.</strong></p>
 174
 175         <p>Please delete the /config directory for extra security.</p></div></div></div></div>" );
 176 }
 177
 178 if( file_exists( "./LocalSettings.php" ) ) {
 179         writeSuccessMessage();
 180
 181         dieout( '' );
 182 }
 183
 184 if( !is_writable( "." ) ) {
 185         dieout( "<h2>Can't write config file, aborting</h2>
 186
 187         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 188         writable by the web server. Once configuration is done you'll move the created
 189         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 190         then remove the <tt>config</tt> subdirectory entirely.</p>
 191
 192         <p>To make the directory writable on a Unix/Linux system:</p>
 193
 194         <pre>
 195         cd <i>/path/to/wiki</i>
 196         chmod a+w config
 197         </pre>" );
 198 }
 199
 200
 201 require_once( "install-utils.inc" );
 202 require_once( "maintenance/updaters.inc" );
 203
 204 class ConfigData {
 205         function getEncoded( $data ) {
 206                 # removing latin1 support, no need...
 207                 return $data;
 208         }
 209         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 210         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 211         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 212 }
 213
 214 ?>
 215
 216 <ul>
 217         <li>
 218                 <b>Don't forget security updates!</b> Keep an eye on the
 219                 <a href="http://mail.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 220                 release announcements mailing list</a>.
 221         </li>
 222 </ul>
 223
 224
 225 <h2>Checking environment...</h2>
 226 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 227 <ul class="env-check">
 228 <?php
 229 $endl = "
 230 ";
 231 $wgNoOutputBuffer = true;
 232 $conf = new ConfigData;
 233
 234 install_version_checks();
 235
 236 print "<li>PHP " . phpversion() . " installed</li>\n";
 237
 238 ## Temporarily turn off all errors as we try to discover installed databases
 239 $olderrnum = error_reporting(0);
 240
 241 $phpdatabases = array();
 242 foreach (array_keys($ourdb) as $db) {
 243         $compname = $ourdb[$db]['compile'];
 244         if (extension_loaded($compname) or dl($compname . '.' . PHP_SHLIB_SUFFIX)) {
 245                 array_push($phpdatabases, $db);
 246                 $ourdb[$db]['havedriver'] = 1;
 247         }
 248 }
 249
 250 error_reporting($olderrornum);
 251
 252 if (!$phpdatabases) {
 253         print "Could not find a suitable database driver!<ul>";
 254         foreach (array_keys($ourdb) AS $db) {
 255                 $comp = $ourdb[$db]['compile'];
 256                 $full = $ourdb[$db]['fullname'];
 257                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 258                         ."or install the $comp.so module</li>\n";
 259         }
 260         dieout( "</ul></ul>" );
 261 }
 262
 263 print "<li>Found database drivers for:";
 264 foreach (array_keys($ourdb) AS $db) {
 265         if ($ourdb[$db]['havedriver']) {
 266                 $DefaultDBtype = $db;
 267                 print "  ".$ourdb[$db]['fullname'];
 268         }
 269 }
 270 print "</li>\n";
 271 if (count($phpdatabases) != 1)
 272         $DefaultDBtype = '';
 273
 274 if( ini_get( "register_globals" ) ) {
 275         ?>
 276         <li>
 277                 <div style="font-size:110%">
 278                 <strong class="error">Warning:</strong>
 279                 <strong>PHP's   <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 280                 </div>
 281                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 282         </li>
 283         <?php
 284 }
 285
 286 $fatal = false;
 287
 288 if( ini_get( "magic_quotes_runtime" ) ) {
 289         $fatal = true;
 290         ?><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>
 291         This option corrupts data input unpredictably; you cannot install or use
 292         MediaWiki unless this option is disabled.
 293         <?php
 294 }
 295
 296 if( ini_get( "magic_quotes_sybase" ) ) {
 297         $fatal = true;
 298         ?><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>
 299         This option corrupts data input unpredictably; you cannot install or use
 300         MediaWiki unless this option is disabled.
 301         <?php
 302 }
 303
 304 if( ini_get( "mbstring.func_overload" ) ) {
 305         $fatal = true;
 306         ?><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>
 307         This option causes errors and may corrupt data unpredictably;
 308         you cannot install or use MediaWiki unless this option is disabled.
 309         <?php
 310 }
 311
 312 if( $fatal ) {
 313         dieout( "</ul><p>Cannot install MediaWiki.</p>" );
 314 }
 315
 316 if( ini_get( "safe_mode" ) ) {
 317         $conf->safeMode = true;
 318         ?>
 319         <li><b class='error'>Warning:</b> <strong>PHP's
 320         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 321         You may have problems caused by this, particularly if using image uploads.
 322         </li>
 323         <?php
 324 } else {
 325         $conf->safeMode = false;
 326 }
 327
 328 $sapi = php_sapi_name();
 329 $conf->prettyURLs = true;
 330 print "<li>PHP server API is $sapi; ";
 331 switch( $sapi ) {
 332 case "apache":
 333 case "apache2handler":
 334         print "ok, using pretty URLs (<tt>index.php/Page_Title</tt>)";
 335         break;
 336 default:
 337         print "unknown; ";
 338 case "cgi":
 339 case "cgi-fcgi":
 340 case "apache2filter":
 341 case "isapi":
 342         print "using ugly URLs (<tt>index.php?title=Page_Title</tt>)";
 343         $conf->prettyURLs = false;
 344         break;
 345 }
 346 print "</li>\n";
 347
 348 $conf->xml = function_exists( "utf8_encode" );
 349 if( $conf->xml ) {
 350         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 351 } else {
 352         dieout( "PHP's XML module is missing; the wiki requires functions in
 353                 this module and won't work in this configuration.
 354                 If you're running Mandrake, install the php-xml package." );
 355 }
 356
 357 # Crude check for session support
 358 if( !function_exists( 'session_name' ) )
 359         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 360
 361 # Likewise for PCRE
 362 if( !function_exists( 'preg_match' ) )
 363         dieout( "The PCRE regular expression functions are missing. MediaWiki requires these in order to function." );
 364
 365 $memlimit = ini_get( "memory_limit" );
 366 $conf->raiseMemory = false;
 367 if( empty( $memlimit ) || $memlimit == -1 ) {
 368         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 369 } else {
 370         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". <strong>If this is too low, installation may fail!</strong> ";
 371         $n = intval( $memlimit );
 372         if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
 373                 $n = intval( $m[1] * (1024*1024) );
 374         }
 375         if( $n < 20*1024*1024 ) {
 376                 print "Attempting to raise limit to 20M... ";
 377                 if( false === ini_set( "memory_limit", "20M" ) ) {
 378                         print "failed.";
 379                 } else {
 380                         $conf->raiseMemory = true;
 381                         print "ok.";
 382                 }
 383         }
 384         print "</li>\n";
 385 }
 386
 387 $conf->zlib = function_exists( "gzencode" );
 388 if( $conf->zlib ) {
 389         print "<li>Have zlib support; enabling output compression.</li>\n";
 390 } else {
 391         print "<li>No zlib support.</li>\n";
 392 }
 393
 394 $conf->turck = function_exists( 'mmcache_get' );
 395 if ( $conf->turck ) {
 396         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 397 }
 398
 399 $conf->apc = function_exists('apc_fetch');
 400 if ($conf->apc ) {
 401         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>";
 402 }
 403
 404 $conf->eaccel = function_exists( 'eaccelerator_get' );
 405 if ( $conf->eaccel ) {
 406     $conf->turck = 'eaccelerator';
 407     print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 408 }
 409
 410 if( !$conf->turck && !$conf->eaccel && !$conf->apc ) {
 411         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 412                   <a href="http://eaccelerator.sourceforge.net">eAccelerator</a> or
 413                    <a href="http://www.php.net/apc">APC</a>. Object caching functions cannot be used.</li>' );
 414 }
 415
 416 $conf->diff3 = false;
 417 $diff3locations = array( "/usr/bin", "/usr/local/bin", "/opt/csw/bin", "/usr/gnu/bin", "/usr/sfw/bin" ) + explode( $sep, getenv( "PATH" ) );
 418 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 419
 420 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 421 foreach ($diff3locations as $loc) {
 422         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 423         if ($exe !== false) {
 424                 $conf->diff3 = $exe;
 425                 break;
 426         }
 427 }
 428
 429 if ($conf->diff3)
 430         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 431 else
 432         print "<li>GNU diff3 not found.</li>";
 433
 434 $conf->ImageMagick = false;
 435 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 436 foreach( $imcheck as $dir ) {
 437         $im = "$dir/convert";
 438         if( file_exists( $im ) ) {
 439                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 440                 $conf->ImageMagick = $im;
 441                 break;
 442         }
 443 }
 444
 445 $conf->HaveGD = function_exists( "imagejpeg" );
 446 if( $conf->HaveGD ) {
 447         print "<li>Found GD graphics library built-in";
 448         if( !$conf->ImageMagick ) {
 449                 print ", image thumbnailing will be enabled if you enable uploads";
 450         }
 451         print ".</li>\n";
 452 } else {
 453         if( !$conf->ImageMagick ) {
 454                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 455         }
 456 }
 457
 458 $conf->UseImageResize = $conf->HaveGD || $conf->ImageMagick;
 459
 460 $conf->IP = dirname( dirname( __FILE__ ) );
 461 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 462
 463 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $_SERVER["PHP_SELF"] ); # was SCRIPT_NAME
 464 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 465
 466 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 467         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 468
 469         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 470         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 471                 ? 'root@localhost'
 472                 : $_SERVER["SERVER_ADMIN"];
 473         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 474         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 475 ?>
 476
 477 <?php
 478         $conf->DBserver = importPost( "DBserver", "localhost" );
 479         $conf->DBname = importPost( "DBname", "wikidb" );
 480         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 481         $conf->DBpassword = importPost( "DBpassword" );
 482         $conf->DBpassword2 = importPost( "DBpassword2" );
 483         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 484         $conf->SysopPass = importPost( "SysopPass" );
 485         $conf->SysopPass2 = importPost( "SysopPass2" );
 486
 487         ## MySQL specific:
 488         $conf->DBprefix     =  importPost( "DBprefix" );
 489         $conf->DBmysql5     = (importPost( "DBmysql5" ) == "true") ? "true" : "false";
 490         $conf->RootUser     =  importPost( "RootUser", "root" );
 491         $conf->RootPW       =  importPost( "RootPW", "-" );
 492         $conf->LanguageCode =  importPost( "LanguageCode", "en" );
 493
 494         ## Postgres specific:
 495         $conf->DBport      = importPost( "DBport",      "5432" );
 496         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 497         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 498
 499 /* Check for validity */
 500 $errs = array();
 501
 502 if( $conf->Sitename == "" || $conf->Sitename == "MediaWiki" || $conf->Sitename == "Mediawiki" ) {
 503         $errs["Sitename"] = "Must not be blank or \"MediaWiki\"";
 504 }
 505 if( $conf->DBuser == "" ) {
 506         $errs["DBuser"] = "Must not be blank";
 507 }
 508 if( $conf->DBpassword == "" ) {
 509         $errs["DBpassword"] = "Must not be blank";
 510 }
 511 if( $conf->DBpassword != $conf->DBpassword2 ) {
 512         $errs["DBpassword2"] = "Passwords don't match!";
 513 }
 514 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 515         $errs["DBprefix"] = "Invalid table prefix";
 516 }
 517
 518 if( $conf->SysopPass == "" ) {
 519         $errs["SysopPass"] = "Must not be blank";
 520 }
 521 if( $conf->SysopPass != $conf->SysopPass2 ) {
 522         $errs["SysopPass2"] = "Passwords don't match!";
 523 }
 524
 525 $conf->License = importRequest( "License", "none" );
 526 if( $conf->License == "gfdl" ) {
 527         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 528         $conf->RightsText = "GNU Free Documentation License 1.2";
 529         $conf->RightsCode = "gfdl";
 530         $conf->RightsIcon = '${wgStylePath}/common/images/gnu-fdl.png';
 531 } elseif( $conf->License == "none" ) {
 532         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 533 } else {
 534         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 535         $conf->RightsText = importRequest( "RightsText", "" );
 536         $conf->RightsCode = importRequest( "RightsCode", "" );
 537         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 538 }
 539
 540 $conf->Shm = importRequest( "Shm", "none" );
 541 $conf->MCServers = importRequest( "MCServers" );
 542
 543 /* Test memcached servers */
 544
 545 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 546         $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
 547         foreach ( $conf->MCServerArray as $server ) {
 548                 $error = testMemcachedServer( $server );
 549                 if ( $error ) {
 550                         $errs["MCServers"] = $error;
 551                         break;
 552                 }
 553         }
 554 } else if ( $conf->Shm == 'memcached' ) {
 555         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 556 }
 557
 558 /* default values for installation */
 559 $conf->Email    =importRequest("Email", "email_enabled");
 560 $conf->Emailuser=importRequest("Emailuser", "emailuser_enabled");
 561 $conf->Enotif   =importRequest("Enotif", "enotif_allpages");
 562 $conf->Eauthent =importRequest("Eauthent", "eauthent_enabled");
 563
 564 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 565         do { /* So we can 'continue' to end prematurely */
 566                 $conf->Root = ($conf->RootPW != "");
 567
 568                 /* Load up the settings and get installin' */
 569                 $local = writeLocalSettings( $conf );
 570                 echo "<p><b>Generating configuration file...</b></p>\n";
 571                 // for debugging: // echo "<pre>" . htmlspecialchars( $local ) . "</pre>\n";
 572
 573                 $wgCommandLineMode = false;
 574                 chdir( ".." );
 575                 eval($local);
 576                 $conf->DBtypename = '';
 577                 foreach (array_keys($ourdb) as $db) {
 578                         if ($conf->DBtype === $db)
 579                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 580                 }
 581                 if ( ! strlen($conf->DBtype)) {
 582                         $errs["DBpicktype"] = "Please choose a database type";
 583                         continue;
 584                 }
 585
 586                 if (! $conf->DBtypename) {
 587                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 588                         continue;
 589                 }
 590                 print "<li>Database type: {$conf->DBtypename}</li>\n";
 591                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 592                 $wgDBtype = $conf->DBtype;
 593                 $wgDBadminuser = "root";
 594                 $wgDBadminpassword = $conf->RootPW;
 595
 596                 ## Mysql specific:
 597                 $wgDBprefix = $conf->DBprefix;
 598
 599                 ## Postgres specific:
 600                 $wgDBport      = $conf->DBport;
 601                 $wgDBmwschema  = $conf->DBmwschema;
 602                 $wgDBts2schema = $conf->DBts2schema;
 603
 604                 $wgCommandLineMode = true;
 605                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 606                 require_once( "includes/Setup.php" );
 607                 chdir( "config" );
 608
 609                 require_once( "maintenance/InitialiseMessages.inc" );
 610
 611                 $wgTitle = Title::newFromText( "Installation script" );
 612 error_reporting( E_ALL );
 613         print "<li>Loading class: $dbclass";
 614                 $dbc = new $dbclass;
 615
 616                 if( $conf->DBtype == 'mysql' ) {
 617                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 618                         if( $mysqlOldClient ) {
 619                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 620                                         using a MySQL 4.1 server and have problems connecting to the database,
 621                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 622                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 623                         }
 624                         $ok = true; # Let's be optimistic
 625
 626                         # Decide if we're going to use the superuser or the regular database user
 627                         if( $conf->RootPW == '-' ) {
 628                                 # Regular user
 629                                 $conf->Root = false;
 630                                 $db_user = $wgDBuser;
 631                                 $db_pass = $wgDBpassword;
 632                         } else {
 633                                 # Superuser
 634                                 $conf->Root = true;
 635                                 $db_user = $conf->RootUser;
 636                                 $db_pass = $conf->RootPW;
 637                         }
 638
 639                         # Attempt to connect
 640                         echo( "<li>Attempting to connect to database server as $db_user..." );
 641                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 642
 643                         # Check the connection and respond to errors
 644                         if( $wgDatabase->isOpen() ) {
 645                                 # Seems OK
 646                                 $ok = true;
 647                                 $wgDBadminuser = $db_user;
 648                                 $wgDBadminpassword = $db_pass;
 649                                 echo( "success.</li>\n" );
 650                                 $wgDatabase->ignoreErrors( true );
 651                                 $myver = $wgDatabase->getServerVersion();
 652                         } else {
 653                                 # There were errors, report them and back out
 654                                 $ok = false;
 655                                 $errno = mysql_errno();
 656                                 $errtx = htmlspecialchars( mysql_error() );
 657                                 switch( $errno ) {
 658                                         case 1045:
 659                                         case 2000:
 660                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 661                                                 if( $conf->Root ) {
 662                                                         # The superuser details are wrong
 663                                                         $errs["RootUser"] = "Check username";
 664                                                         $errs["RootPW"] = "and password";
 665                                                 } else {
 666                                                         # The regular user details are wrong
 667                                                         $errs["DBuser"] = "Check username";
 668                                                         $errs["DBpassword"] = "and password";
 669                                                 }
 670                                                 break;
 671                                         case 2002:
 672                                         case 2003:
 673                                         default:
 674                                                 # General connection problem
 675                                                 echo( "failed with error [$errno] $errtx.</li>\n" );
 676                                                 $errs["DBserver"] = "Connection failed";
 677                                                 break;
 678                                 } # switch
 679                         } #conn. att.
 680
 681                         if( !$ok ) { continue; }
 682
 683                 } else /* not mysql */ {
 684                         echo( "<li>Attempting to connect to database server as $wgDBuser..." );
 685                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
 686                         if (!$wgDatabase->isOpen()) {
 687                                 print " error: " . $wgDatabase->lastError() . "</li>\n";
 688                         } else {
 689                                 $wgDatabase->ignoreErrors(true);
 690                                 $myver = $wgDatabase->getServerVersion();
 691                         }
 692                 }
 693
 694                 if ( !$wgDatabase->isOpen() ) {
 695                         $errs["DBserver"] = "Couldn't connect to database";
 696                         continue;
 697                 }
 698
 699                 print "<li>Connected to $myver";
 700                 if ($conf->DBtype == 'mysql') {
 701                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
 702                                 die( " -- mysql 4.0.14 or later required. Aborting." );
 703                         }
 704                         $mysqlNewAuth   = version_compare( $myver, "4.1.0", "ge" );
 705                         if( $mysqlNewAuth && $mysqlOldClient ) {
 706                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
 707                                         to old client libraries; if you have trouble with authentication, see
 708                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 709                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
 710                         }
 711                         if( $wgDBmysql5 ) {
 712                                 if( $mysqlNewAuth ) {
 713                                         print "; enabling MySQL 4.1/5.0 charset mode";
 714                                 } else {
 715                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
 716                                                 but older version detected; will likely fail.</b>";
 717                                 }
 718                         }
 719                         print "</li>\n";
 720
 721                         @$sel = $wgDatabase->selectDB( $wgDBname );
 722                         if( $sel ) {
 723                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
 724                         } else {
 725                                 $err = mysql_errno();
 726                                 if ( $err != 1049 ) {
 727                                         print "<ul><li>Error selecting database $wgDBname: $err " .
 728                                                 htmlspecialchars( mysql_error() ) . "</li></ul>";
 729                                         continue;
 730                                 }
 731                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
 732                                 if( !$res ) {
 733                                         print "<li>Couldn't create database <tt>" .
 734                                                 htmlspecialchars( $wgDBname ) .
 735                                                 "</tt>; try with root access or check your username/pass.</li>\n";
 736                                         $errs["RootPW"] = "&lt;- Enter";
 737                                         continue;
 738                                 }
 739                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
 740                         }
 741                         $wgDatabase->selectDB( $wgDBname );
 742                 }
 743
 744                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
 745                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
 746
 747                         # Create user if required (todo: other databases)
 748                         if ( $conf->Root && $conf->DBtype == 'mysql') {
 749                                 $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 750                                 if ( $conn->isOpen() ) {
 751                                         print "<li>DB user account ok</li>\n";
 752                                         $conn->close();
 753                                 } else {
 754                                         print "<li>Granting user permissions...";
 755                                         if( $mysqlOldClient && $mysqlNewAuth ) {
 756                                                 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>";
 757                                         }
 758                                         print "</li>\n";
 759                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 760                                 }
 761                         }
 762                         if ( $conf->DBtype == 'mysql') {
 763                                 print "<pre>\n";
 764                                 chdir( ".." );
 765                                 flush();
 766                                 do_all_updates();
 767                                 chdir( "config" );
 768                                 print "</pre>\n";
 769                         }
 770                         print "<li>Finished update checks.</li>\n";
 771                 } else {
 772                         # FIXME: Check for errors
 773                         print "<li>Creating tables...";
 774                         if ($conf->DBtype == 'mysql') {
 775                                 if( $wgDBmysql5 ) {
 776                                         print " using MySQL 5 table defs...";
 777                                         dbsource( "../maintenance/mysql5/tables.sql", $wgDatabase );
 778                                 } else {
 779                                         print " using MySQL 4 table defs...";
 780                                         dbsource( "../maintenance/tables.sql", $wgDatabase );
 781                                 }
 782                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
 783                         } else if ($conf->DBtype == 'postgres') {
 784                                 $wgDatabase->setup_database();
 785                         }
 786                         else {
 787                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
 788                                 continue;
 789                         }
 790
 791                         print " done.</li>\n";
 792
 793                         print "<li>Initializing data...";
 794                         $wgDatabase->insert( 'site_stats',
 795                                 array( 'ss_row_id'        => 1,
 796                                        'ss_total_views'   => 0,
 797                                        'ss_total_edits'   => 0,
 798                                        'ss_good_articles' => 0 ) );
 799
 800                         # Set up the "regular user" account *if we can, and if we need to*
 801                         if( $conf->Root ) {
 802                                 # See if we need to
 803                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 804                                 if( $wgDatabase2->isOpen() ) {
 805                                         # Nope, just close the test connection and continue
 806                                         $wgDatabase2->close();
 807                                         echo( "<li>User $wgDBuser exists. Skipping grants.</li>" );
 808                                 } else {
 809                                         # Yes, so run the grants
 810                                         echo( "<li>Granting user permissions to $wgDBuser on $wgDBname..." );
 811                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 812                                         echo( "success.</li>" );
 813                                 }
 814                         }
 815
 816                         if( $conf->SysopName ) {
 817                                 $u = User::newFromName( $conf->getSysopName() );
 818                                 if ( 0 == $u->idForName() ) {
 819                                         $u->addToDatabase();
 820                                         $u->setPassword( $conf->getSysopPass() );
 821                                         $u->saveSettings();
 822
 823                                         $u->addGroup( "sysop" );
 824                                         $u->addGroup( "bureaucrat" );
 825
 826                                         print "<li>Created sysop account <tt>" .
 827                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
 828                                 } else {
 829                                         print "<li>Could not create user - already exists!</li>\n";
 830                                 }
 831                         } else {
 832                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
 833                         }
 834
 835                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
 836                         $article = new Article( $titleobj );
 837                         $newid = $article->insertOn( $wgDatabase );
 838                         $revision = new Revision( array(
 839                                 'page'      => $newid,
 840                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsg( 'mainpagedocfooter' ),
 841                                 'comment'   => '',
 842                                 'user'      => 0,
 843                                 'user_text' => 'MediaWiki default',
 844                                 ) );
 845                         $revid = $revision->insertOn( $wgDatabase );
 846                         $article->updateRevisionOn( $wgDatabase, $revision );
 847
 848                         print "<li><pre>";
 849                         initialiseMessages();
 850                         print "</pre></li>\n";
 851                 }
 852
 853                 /* Write out the config file now that all is well */
 854                 print "<p>Creating LocalSettings.php...</p>\n\n";
 855                 $localSettings =  "<" . "?php$endl$local$endl?" . ">";
 856                 // Fix up a common line-ending problem (due to CVS on Windows)
 857                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
 858
 859                 if( version_compare( phpversion(), "4.3.2" ) >= 0 ) {
 860                         $xt = "xt"; # Refuse to overwrite an existing file
 861                 } else {
 862                         $xt = "wt"; # 'x' is not available prior to PHP 4.3.2. We did check above, but race conditions blah blah
 863                 }
 864                 $f = fopen( "LocalSettings.php", $xt );
 865
 866                 if( $f == false ) {
 867                         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" .
 868                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
 869                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
 870                 }
 871                 if(fwrite( $f, $localSettings ) ) {
 872                         fclose( $f );
 873                         writeSuccessMessage();
 874                 } else {
 875                         fclose( $f );
 876                         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");
 877
 878                 }
 879
 880         } while( false );
 881 }
 882 ?>
 883 </ul>
 884
 885
 886 <?php
 887
 888 if( count( $errs ) ) {
 889         /* Display options form */
 890
 891         if( $conf->posted ) {
 892                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
 893         }
 894 ?>
 895
 896 <form action="index.php" name="config" method="post">
 897
 898
 899 <h2>Site config</h2>
 900
 901 <div class="config-section">
 902         <div class="config-input">
 903                 <?php
 904                 aField( $conf, "Sitename", "Wiki name:" );
 905                 ?>
 906         </div>
 907         <p class="config-desc">
 908                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
 909                 Will appear as the namespace name for "meta" pages, and throughout the interface.
 910         </p>
 911
 912         <div class="config-input">
 913                 <?php
 914                 aField( $conf, "EmergencyContact", "Contact e-mail:" );
 915                 ?>
 916         </div>
 917         <p class="config-desc">
 918                 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.
 919         </p>
 920
 921         <div class="config-input">
 922                 <label class='column' for="LanguageCode">Language:</label>
 923                 <select id="LanguageCode" name="LanguageCode">
 924
 925                 <?php
 926                         $list = getLanguageList();
 927                         foreach( $list as $code => $name ) {
 928                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
 929                                 echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
 930                         }
 931                 ?>
 932                 </select>
 933         </div>
 934         <p class="config-desc">
 935                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) used for all localizations.
 936         </p>
 937
 938         <div class="config-input">
 939                 <label class='column'>Copyright/license:</label>
 940
 941                 <ul class="plain">
 942                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
 943                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
 944                 <li><?php
 945                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
 946                         $partner = "MediaWiki";
 947                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/index.php?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
 948                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
 949                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
 950                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
 951                         ?>
 952                 <?php if( $conf->License == "cc" ) { ?>
 953                         <ul>
 954                                 <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='icon' />", "hidden" ); ?></li>
 955                                 <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
 956                                 <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
 957                                 <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
 958                         </ul>
 959                 <?php } ?>
 960                         </li>
 961                 </ul>
 962         </div>
 963         <p class="config-desc">
 964                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
 965         </p>
 966
 967
 968         <div class="config-input">
 969                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
 970         </div>
 971         <div class="config-input">
 972                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
 973         </div>
 974         <div class="config-input">
 975                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
 976         </div>
 977         <p class="config-desc">
 978                 An admin can lock/delete pages, block users from editing, and other maintenance tasks.<br />
 979                 A new account will be added only when creating a new wiki database.
 980         </p>
 981
 982         <div class="config-input">
 983                 <label class='column'>Shared memory caching:</label>
 984
 985                 <ul class="plain">
 986                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
 987                 <?php
 988                         if ( $conf->turck ) {
 989                                 echo "<li>";
 990                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
 991                                 echo "</li>";
 992                         }
 993                         if ( $conf->apc ) {
 994                                 echo "<li>";
 995                                 aField( $conf, "Shm", "APC", "radio", "apc" );
 996                                 echo "</li>";
 997                         }
 998                         if ( $conf->eaccel ) {
 999                                 echo "<li>";
1000                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1001                                 echo "</li>";
1002                         }
1003                 ?>
1004                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1005                 </ul>
1006                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1007         </div>
1008         <p class="config-desc">
1009                 Using a shared memory system such as Turck MMCache, APC, eAccelerator, or Memcached
1010                 will speed up MediaWiki significantly. Memcached is the best solution but needs to be
1011                 installed. Specify the server addresses and ports in a comma-separted list. Only
1012                 use Turck shared memory if the wiki will be running on a single Apache server.
1013         </p>
1014 </div>
1015
1016 <h2>E-mail, e-mail notification and authentication setup</h2>
1017
1018 <div class="config-section">
1019         <div class="config-input">
1020                 <label class='column'>E-mail features (global):</label>
1021                 <ul class="plain">
1022                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1023                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1024                 </ul>
1025         </div>
1026         <p class="config-desc">
1027                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail and e-mail notifications)
1028                 if sending mail doesn't work on your server.
1029         </p>
1030
1031         <div class="config-input">
1032                 <label class='column'>User-to-user e-mail:</label>
1033                 <ul class="plain">
1034                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1035                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1036                 </ul>
1037         </div>
1038         <p class="config-desc">
1039                 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.
1040         </p>
1041         <div class="config-input">
1042                 <label class='column'>E-mail notification about changes:</label>
1043                 <ul class="plain">
1044                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1045                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1046                 <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>
1047                 </ul>
1048         </div>
1049         <div class="config-desc">
1050                 <p>
1051                 For this feature to work, an e-mail address must be present for the user account, and the notification
1052                 options in the user's preferences must be enabled. Also note the
1053                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1054
1055                 <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>
1056         </div>
1057
1058         <div class="config-input">
1059                 <label class='column'>E-mail address authentication:</label>
1060                 <ul class="plain">
1061                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1062                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1063                 </ul>
1064         </div>
1065         <div class="config-desc">
1066                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1067                 change notification mails. Setting this option is <B>recommended</B> for public wikis because of potential abuse of the e-mail features above.</p>
1068         </div>
1069
1070 </div>
1071
1072 <h2>Database config</h2>
1073
1074 <div class="config-section">
1075 <div class="config-input">
1076                 <label class='column'>Database type:</label>
1077 <?php if (isset($errs['DBpicktype'])) print "<span class='error'>$errs[DBpicktype]</span>\n"; ?>
1078                 <ul class='plain'><?php database_picker($conf) ?></ul>
1079         </div>
1080
1081         <div class="config-input" style="clear:left"><?php
1082                 aField( $conf, "DBserver", "Database host:" );
1083         ?></div>
1084         <p class="config-desc">
1085                 If your database server isn't on your web server, enter the name or IP address here.
1086         </p>
1087
1088         <div class="config-input"><?php
1089                 aField( $conf, "DBname", "Database name:" );
1090         ?></div>
1091         <div class="config-input"><?php
1092                 aField( $conf, "DBuser", "DB username:" );
1093         ?></div>
1094         <div class="config-input"><?php
1095                 aField( $conf, "DBpassword", "DB password:", "password" );
1096         ?></div>
1097         <div class="config-input"><?php
1098                 aField( $conf, "DBpassword2", "DB password confirm:", "password" );
1099         ?></div>
1100         <p class="config-desc">
1101                 If you only have a single user account and database available,
1102                 enter those here. If you have database root access (see below)
1103                 you can specify new accounts/databases to be created.
1104         </p>
1105         <p>
1106                 This account will not be created if it pre-exists. If this is the case, ensure that it
1107                 has SELECT, INSERT, UPDATE and DELETE permissions on the MediaWiki database.
1108         </p>
1109
1110         <?php database_switcher('mysql'); ?>
1111         <div class="config-input"><?php
1112                 aField( $conf, "DBprefix", "Database table prefix:" );
1113         ?></div>
1114         <div class="config-desc">
1115                 <p>If you need to share one database between multiple wikis, or
1116                 MediaWiki and another web application, you may choose to
1117                 add a prefix to all the table names to avoid conflicts.</p>
1118
1119                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1120         </div>
1121
1122         <div class="config-input"><label class="column">Database charset</label>
1123                 <div>Select one:</div>
1124                 <ul class="plain">
1125                 <li><?php aField( $conf, "DBmysql5", "Backwards-compatible UTF-8", "radio", "false" ); ?></li>
1126                 <li><?php aField( $conf, "DBmysql5", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "true" ); ?></li>
1127                 </ul>
1128         </div>
1129         <p class="config-desc">
1130                 <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
1131                 for MySQL 4.1 and 5.0 servers. This is not well tested and may
1132                 cause things to break. <b>If upgrading an older installation, leave
1133                 in backwards-compatible mode.</b>
1134         </p>
1135         </div>
1136
1137         <?php database_switcher('postgres'); ?>
1138         <div class="config-input"><?php
1139                 aField( $conf, "DBport", "Database port:" );
1140         ?></div>
1141         <div class="config-input"><?php
1142                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1143         ?></div>
1144         <div class="config-input"><?php
1145                 aField( $conf, "DBts2schema", "Schema for tsearch2:" );
1146         ?></div>
1147         <div class="config-desc">
1148                 <p>The username specified above will have it's search path set to the above schemas,
1149            so it is recommended that you create a new user.</p>
1150         </div>
1151         </div>
1152
1153         <div class="config-input">
1154                 <?php
1155                 aField( $conf, "RootUser", "Superuser account:", "superuser" );
1156                 ?>
1157         </div>
1158         <div class="config-input">
1159                 <?php
1160                 aField( $conf, "RootPW", "Superuser password:", "password" );
1161                 ?>
1162         </div>
1163
1164         <p class="config-desc">
1165                 If the database user specified above does not exist, or does not have access to create
1166                 the database (if needed) or tables within it, please provide details of a superuser account,
1167                 such as <strong>root</strong>, which does. Leave the password set to <strong>-</strong> if this is not needed.
1168         </p>
1169
1170         <div class="config-input" style="padding:2em 0 3em">
1171                 <label class='column'>&nbsp;</label>
1172                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1173         </div>
1174
1175 </div>
1176
1177 <script type="text/javascript">
1178 window.onload = togglearea('<?php echo $conf->DBtype; ?>');
1179 </script>
1180
1181 </form>
1182
1183 <?php
1184 }
1185
1186 /* -------------------------------------------------------------------------------------- */
1187 function writeSuccessMessage() {
1188         if ( ini_get( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1189                 echo <<<EOT
1190 <p>Installation successful!</p>
1191 <p>To complete the installation, please do the following:
1192 <ol>
1193         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1194         <li>Upload it to the parent directory</li>
1195         <li>Delete config/LocalSettings.php</li>
1196         <li>Start using <a href='../index.php'>your wiki</a>!
1197 </ol>
1198 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1199 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1200 which means that anyone on the same server can read your database password! Downloading
1201 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1202 EOT;
1203         } else {
1204                 echo "<p>Installation successful! Move the config/LocalSettings.php file into the parent directory, then follow
1205                         <a href='../index.php'>this link</a> to your wiki.</p>\n";
1206         }
1207 }
1208
1209
1210 function escapePhpString( $string ) {
1211         return strtr( $string,
1212                 array(
1213                         "\n" => "\\n",
1214                         "\r" => "\\r",
1215                         "\t" => "\\t",
1216                         "\\" => "\\\\",
1217                         "\$" => "\\\$",
1218                         "\"" => "\\\""
1219                 ));
1220 }
1221
1222 function writeLocalSettings( $conf ) {
1223         $conf->UseImageResize = $conf->UseImageResize ? 'true' : 'false';
1224         $conf->PasswordSender = $conf->EmergencyContact;
1225         $zlib = ($conf->zlib ? "" : "# ");
1226         $magic = ($conf->ImageMagick ? "" : "# ");
1227         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1228         $pretty = ($conf->prettyURLs ? "" : "# ");
1229         $ugly = ($conf->prettyURLs ? "# " : "");
1230         $rights = ($conf->RightsUrl) ? "" : "# ";
1231         $hashedUploads = $conf->safeMode ? '' : '# ';
1232
1233         switch ( $conf->Shm ) {
1234                 case 'memcached':
1235                         $cacheType = 'CACHE_MEMCACHED';
1236                         $mcservers = var_export( $conf->MCServerArray, true );
1237                         break;
1238                 case 'turck':
1239                 case 'apc':
1240                 case 'eaccel':
1241                         $cacheType = 'CACHE_ACCEL';
1242                         $mcservers = 'array()';
1243                         break;
1244                 default:
1245                         $cacheType = 'CACHE_NONE';
1246                         $mcservers = 'array()';
1247         }
1248
1249         if ( $conf->Email == 'email_enabled' ) {
1250                 $enableemail = 'true';
1251                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1252                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1253                 switch ( $conf->Enotif ) {
1254                         case 'enotif_usertalk':
1255                                 $enotifusertalk = 'true';
1256                                 $enotifwatchlist = 'false';
1257                                 break;
1258                         case 'enotif_allpages':
1259                                 $enotifusertalk = 'true';
1260                                 $enotifwatchlist = 'true';
1261                                 break;
1262                         default:
1263                                 $enotifusertalk = 'false';
1264                                 $enotifwatchlist = 'false';
1265                 }
1266         } else {
1267                 $enableuseremail = 'false';
1268                 $enableemail = 'false';
1269                 $eauthent = 'false';
1270                 $enotifusertalk = 'false';
1271                 $enotifwatchlist = 'false';
1272         }
1273
1274         $file = @fopen( "/dev/urandom", "r" );
1275         if ( $file ) {
1276                 $secretKey = bin2hex( fread( $file, 32 ) );
1277                 fclose( $file );
1278         } else {
1279                 $secretKey = "";
1280                 for ( $i=0; $i<8; $i++ ) {
1281                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1282                 }
1283                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1284         }
1285
1286         # Add slashes to strings for double quoting
1287         $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
1288         if( $conf->License == 'gfdl' ) {
1289                 # Needs literal string interpolation for the current style path
1290                 $slconf['RightsIcon'] = $conf->RightsIcon;
1291         }
1292
1293         $localsettings = "
1294 # This file was automatically generated by the MediaWiki installer.
1295 # If you make manual changes, please keep track in case you need to
1296 # recreate them later.
1297 #
1298 # See includes/DefaultSettings.php for all configurable settings
1299 # and their default values, but don't forget to make changes in _this_
1300 # file, not there.
1301
1302 # If you customize your file layout, set \$IP to the directory that contains
1303 # the other MediaWiki files. It will be used as a base to locate files.
1304 if( defined( 'MW_INSTALL_PATH' ) ) {
1305         \$IP = MW_INSTALL_PATH;
1306 } else {
1307         \$IP = dirname( __FILE__ );
1308 }
1309
1310 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1311 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1312
1313 require_once( \"includes/DefaultSettings.php\" );
1314
1315 # If PHP's memory limit is very low, some operations may fail.
1316 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1317
1318 if ( \$wgCommandLineMode ) {
1319         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1320                 die( \"This script must be run from the command line\\n\" );
1321         }
1322 } elseif ( empty( \$wgNoOutputBuffer ) ) {
1323         ## Compress output if the browser supports it
1324         {$zlib}if( !ini_get( 'zlib.output_compression' ) ) @ob_start( 'ob_gzhandler' );
1325 }
1326
1327 \$wgSitename         = \"{$slconf['Sitename']}\";
1328
1329 \$wgScriptPath      = \"{$slconf['ScriptPath']}\";
1330 \$wgScript           = \"\$wgScriptPath/index.php\";
1331 \$wgRedirectScript   = \"\$wgScriptPath/redirect.php\";
1332
1333 ## For more information on customizing the URLs please see:
1334 ## http://meta.wikimedia.org/wiki/Eliminating_index.php_from_the_url
1335 ## If using PHP as a CGI module, the ?title= style usually must be used.
1336 {$pretty}\$wgArticlePath      = \"\$wgScript/\$1\";
1337 {$ugly}\$wgArticlePath      = \"\$wgScript?title=\$1\";
1338
1339 \$wgStylePath        = \"\$wgScriptPath/skins\";
1340 \$wgStyleDirectory   = \"\$IP/skins\";
1341 \$wgLogo             = \"\$wgStylePath/common/images/wiki.png\";
1342
1343 \$wgUploadPath       = \"\$wgScriptPath/images\";
1344 \$wgUploadDirectory  = \"\$IP/images\";
1345
1346 \$wgEnableEmail = $enableemail;
1347 \$wgEnableUserEmail = $enableuseremail;
1348
1349 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1350 \$wgPasswordSender      = \"{$slconf['PasswordSender']}\";
1351
1352 ## For a detailed description of the following switches see
1353 ## http://meta.wikimedia.org/Enotif and http://meta.wikimedia.org/Eauthent
1354 ## There are many more options for fine tuning available see
1355 ## /includes/DefaultSettings.php
1356 ## UPO means: this is also a user preference option
1357 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1358 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1359 \$wgEmailAuthentication = $eauthent;
1360
1361 \$wgDBserver         = \"{$slconf['DBserver']}\";
1362 \$wgDBname           = \"{$slconf['DBname']}\";
1363 \$wgDBuser           = \"{$slconf['DBuser']}\";
1364 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1365 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1366 \$wgDBtype           = \"{$slconf['DBtype']}\";
1367 \$wgDBport           = \"{$slconf['DBport']}\";
1368
1369 # Experimental charset support for MySQL 4.1/5.0.
1370 \$wgDBmysql5 = {$conf->DBmysql5};
1371
1372 ## Shared memory settings
1373 \$wgMainCacheType = $cacheType;
1374 \$wgMemCachedServers = $mcservers;
1375
1376 ## To enable image uploads, make sure the 'images' directory
1377 ## is writable, then set this to true:
1378 \$wgEnableUploads               = false;
1379 \$wgUseImageResize              = {$conf->UseImageResize};
1380 {$magic}\$wgUseImageMagick = true;
1381 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1382
1383 ## If you want to use image uploads under safe mode,
1384 ## create the directories images/archive, images/thumb and
1385 ## images/temp, and make them all writable. Then uncomment
1386 ## this, if it's not already uncommented:
1387 {$hashedUploads}\$wgHashedUploadDirectory = false;
1388
1389 ## If you have the appropriate support software installed
1390 ## you can enable inline LaTeX equations:
1391 \$wgUseTeX               = false;
1392 \$wgMathPath         = \"{\$wgUploadPath}/math\";
1393 \$wgMathDirectory    = \"{\$wgUploadDirectory}/math\";
1394 \$wgTmpDirectory     = \"{\$wgUploadDirectory}/tmp\";
1395
1396 \$wgLocalInterwiki   = \$wgSitename;
1397
1398 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1399
1400 \$wgProxyKey = \"$secretKey\";
1401
1402 ## Default skin: you can change the default skin. Use the internal symbolic
1403 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1404 \$wgDefaultSkin = 'monobook';
1405
1406 ## For attaching licensing metadata to pages, and displaying an
1407 ## appropriate copyright notice / icon. GNU Free Documentation
1408 ## License and Creative Commons licenses are supported so far.
1409 {$rights}\$wgEnableCreativeCommonsRdf = true;
1410 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1411 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1412 \$wgRightsText = \"{$slconf['RightsText']}\";
1413 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1414 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1415
1416 \$wgDiff3 = \"{$slconf['diff3']}\";
1417
1418 # When you make changes to this configuration file, this will make
1419 # sure that cached pages are cleared.
1420 \$configdate = gmdate( 'YmdHis', @filemtime( __FILE__ ) );
1421 \$wgCacheEpoch = max( \$wgCacheEpoch, \$configdate );
1422 ";
1423         // Keep things in Unix line endings internally;
1424         // the system will write out as local text type.
1425         return str_replace( "\r\n", "\n", $localsettings );
1426 }
1427
1428 function dieout( $text ) {
1429         die( $text . "\n\n</body>\n</html>" );
1430 }
1431
1432 function importVar( &$var, $name, $default = "" ) {
1433         if( isset( $var[$name] ) ) {
1434                 $retval = $var[$name];
1435                 if ( get_magic_quotes_gpc() ) {
1436                         $retval = stripslashes( $retval );
1437                 }
1438         } else {
1439                 $retval = $default;
1440         }
1441         return $retval;
1442 }
1443
1444 function importPost( $name, $default = "" ) {
1445         return importVar( $_POST, $name, $default );
1446 }
1447
1448 function importRequest( $name, $default = "" ) {
1449         return importVar( $_REQUEST, $name, $default );
1450 }
1451
1452 $radioCount = 0;
1453
1454 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
1455         global $radioCount;
1456         if( $type != "" ) {
1457                 $xtype = "type=\"$type\"";
1458         } else {
1459                 $xtype = "";
1460         }
1461
1462         $id = $field;
1463         $nolabel = ($type == "radio") || ($type == "hidden");
1464
1465         if ($type == 'radio')
1466                 $id .= $radioCount++;
1467
1468         if( $nolabel ) {
1469                 echo "\t\t<label>";
1470         } else {
1471                 echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
1472         }
1473
1474         if( $type == "radio" && $value == $conf->$field ) {
1475                 $checked = "checked='checked'";
1476         } else {
1477                 $checked = "";
1478         }
1479         echo "\t\t<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
1480         if ($onclick) {
1481                 echo " onclick='togglearea(\"$value\")' " ;
1482         }
1483         echo "value=\"";
1484         if( $type == "radio" ) {
1485                 echo htmlspecialchars( $value );
1486         } else {
1487                 echo htmlspecialchars( $conf->$field );
1488         }
1489
1490
1491         echo "\" />\n";
1492         if( $nolabel ) {
1493                 echo " $text</label>\n";
1494         }
1495
1496         global $errs;
1497         if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
1498 }
1499
1500 function getLanguageList() {
1501         global $wgLanguageNames;
1502         if( !isset( $wgLanguageNames ) ) {
1503                 require_once( "languages/Names.php" );
1504         }
1505
1506         $codes = array();
1507
1508         $d = opendir( "../languages" );
1509         /* In case we are called from the root directory */
1510         if (!$d)
1511                 $d = opendir( "languages");
1512         while( false !== ($f = readdir( $d ) ) ) {
1513                 $m = array();
1514                 if( preg_match( '/Language([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
1515                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
1516                         if( isset( $wgLanguageNames[$code] ) ) {
1517                                 $name = $code . ' - ' . $wgLanguageNames[$code];
1518                         } else {
1519                                 $name = $code;
1520                         }
1521                         $codes[$code] = $name;
1522                 }
1523         }
1524         closedir( $d );
1525         ksort( $codes );
1526         return $codes;
1527 }
1528
1529 #Check for location of an executable
1530 # @param string $loc single location to check
1531 # @param array $names filenames to check for.
1532 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
1533 function locate_executable($loc, $names, $versioninfo = false) {
1534         if (!is_array($names))
1535                 $names = array($names);
1536
1537         foreach ($names as $name) {
1538                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
1539                 if (file_exists($command)) {
1540                         if (!$versioninfo)
1541                                 return $command;
1542
1543                         $file = str_replace('$1', $command, $versioninfo[0]);
1544                         if (strstr(`$file`, $versioninfo[1]) !== false)
1545                                 return $command;
1546                 }
1547         }
1548         return false;
1549 }
1550
1551 # Test a memcached server
1552 function testMemcachedServer( $server ) {
1553         $hostport = explode(":", $server);
1554         $errstr = false;
1555         $fp = false;
1556         if ( !function_exists( 'fsockopen' ) ) {
1557                 $errstr = "Can't connect to memcached, fsockopen() not present";
1558         }
1559         if ( !$errstr &&  count( $hostport ) != 2 ) {
1560                 $errstr = 'Please specify host and port';
1561                 var_dump( $hostport );
1562         }
1563         if ( !$errstr ) {
1564                 list( $host, $port ) = $hostport;
1565                 $errno = 0;
1566                 $fsockerr = '';
1567
1568                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
1569                 if ( $fp === false ) {
1570                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
1571                 }
1572         }
1573         if ( !$errstr ) {
1574                 $command = "version\r\n";
1575                 $bytes = fwrite( $fp, $command );
1576                 if ( $bytes != strlen( $command ) ) {
1577                         $errstr = "Cannot write to memcached socket on $host:$port";
1578                 }
1579         }
1580         if ( !$errstr ) {
1581                 $expected = "VERSION ";
1582                 $response = fread( $fp, strlen( $expected ) );
1583                 if ( $response != $expected ) {
1584                         $errstr = "Didn't get correct memcached response from $host:$port";
1585                 }
1586         }
1587         if ( $fp ) {
1588                 fclose( $fp );
1589         }
1590         if ( !$errstr ) {
1591                 echo "<li>Connected to memcached on $host:$port successfully";
1592         }
1593         return $errstr;
1594 }
1595
1596 function database_picker($conf) {
1597         global $ourdb;
1598         print "\n";
1599         foreach(array_keys($ourdb) as $db) {
1600                 if ($ourdb[$db]['havedriver']) {
1601                         print "<li>";
1602                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
1603                         print "</li>\n";
1604                 }
1605         }
1606         print "\n";
1607 }
1608
1609 function database_switcher($db) {
1610         global $ourdb;
1611         $color = $ourdb[$db]['bgcolor'];
1612         $full = $ourdb[$db]['fullname'];
1613         print "<div id='$db' style='display:none; background: $color'>\n";
1614         print "<h3>$full specific options:</h3>\n";
1615 }
1616
1617 ?>
1618
1619         <div class="license">
1620         <hr>
1621         <p>This program is free software; you can redistribute it and/or modify
1622          it under the terms of the GNU General Public License as published by
1623          the Free Software Foundation; either version 2 of the License, or
1624          (at your option) any later version.</p>
1625
1626          <p>This program is distributed in the hope that it will be useful,
1627          but WITHOUT ANY WARRANTY; without even the implied warranty of
1628          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1629          GNU General Public License for more details.</p>
1630
1631          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
1632          along with this program; if not, write to the Free Software
1633          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
1634          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
1635         </div>
1636
1637 </div></div></div>
1638
1639
1640 <div id="column-one">
1641         <div class="portlet" id="p-logo">
1642           <a style="background-image: url(../skins/common/images/mediawiki.png);"
1643             href="http://www.mediawiki.org/"
1644             title="Main Page"></a>
1645         </div>
1646         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
1647         <div class='portlet'><div class='pBody'>
1648                 <ul>
1649                         <li><strong><a href="http://www.mediawiki.org/">MediaWiki home</a></strong></li>
1650                         <li><a href="../README">Readme</a></li>
1651                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
1652                         <li><a href="../docs/">Documentation</a></li>
1653                         <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
1654                         <li><a href="http://meta.wikimedia.org/wiki/MediaWiki_FAQ">FAQ</a></li>
1655                 </ul>
1656                 <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>
1657         </div></div>
1658 </div>
1659
1660 </div>
1661
1662 </body>
1663 </html>