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 # 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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();
  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
  45 ?>
  46 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  47 <html>
  48 <head>
  49         <meta http-equiv="Content-type" content="text/html; charset=utf-8">
  50         <title>MediaWiki <?php echo( $wgVersion ); ?> Installation</title>
  51         <style type="text/css">
  52
  53                 @import "../skins/monobook/main.css";
  54
  55                 .env-check {
  56                         font-size: 90%;
  57                         margin: 1em 0 1em 2.5em;
  58                 }
  59
  60                 .config-section {
  61                         margin-top: 2em;
  62                 }
  63
  64                 .config-section label.column {
  65                         clear: left;
  66                         font-weight: bold;
  67                         width: 13em;
  68                         float: left;
  69                         text-align: right;
  70                         padding-right: 1em;
  71                         padding-top: .2em;
  72                 }
  73
  74                 .config-input {
  75                         clear: left;
  76                         zoom: 100%; /* IE hack */
  77                 }
  78
  79                 .config-section .config-desc {
  80                         clear: left;
  81                         margin: 0 0 2em 18em;
  82                         padding-top: 1em;
  83                         font-size: 85%;
  84                 }
  85
  86                 .iput-text, .iput-password {
  87                         width: 14em;
  88                         margin-right: 1em;
  89                 }
  90
  91                 .error {
  92                         color: red;
  93                         background-color: #fff;
  94                         font-weight: bold;
  95                         left: 1em;
  96                         font-size: 100%;
  97                 }
  98
  99                 .error-top {
 100                         color: red;
 101                         background-color: #FFF0F0;
 102                         border: 2px solid        red;
 103                         font-size: 130%;
 104                         font-weight: bold;
 105                         padding: 1em 1.5em;
 106                         margin: 2em 0 1em;
 107                 }
 108
 109                 ul.plain {
 110                         list-style-type: none;
 111                         list-style-image: none;
 112                         float: left;
 113                         margin: 0;
 114                         padding: 0;
 115                 }
 116
 117                 .btn-install {
 118                         font-weight: bold;
 119                         font-size: 110%;
 120                         padding: .2em .3em;
 121                 }
 122
 123                 .license {
 124                         font-size: 85%;
 125                         padding-top: 3em;
 126                 }
 127
 128         </style>
 129 </head>
 130
 131 <body>
 132 <div id="globalWrapper">
 133 <div id="column-content">
 134 <div id="content">
 135 <div id="bodyContent">
 136
 137 <h1>MediaWiki <?php print $wgVersion ?> Installation</h1>
 138
 139 <?php
 140
 141 /* Check for existing configurations and bug out! */
 142
 143 if( file_exists( "../LocalSettings.php" ) ) {
 144         dieout( "       <p><strong>Setup has completed, <a href='../index.php'>your wiki</a> is configured.</strong></p>
 145
 146         <p>Please delete the /config directory for extra security.</p></div></div></div></div>" );
 147 }
 148
 149 if( file_exists( "./LocalSettings.php" ) ) {
 150         writeSuccessMessage();
 151
 152         dieout( '' );
 153 }
 154
 155 if( !is_writable( "." ) ) {
 156         dieout( "<h2>Can't write config file, aborting</h2>
 157
 158         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 159         writable by the web server. Once configuration is done you'll move the created
 160         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 161         then remove the <tt>config</tt> subdirectory entirely.</p>
 162
 163         <p>To make the directory writable on a Unix/Linux system:</p>
 164
 165         <pre>
 166         cd <i>/path/to/wiki</i>
 167         chmod a+w config
 168         </pre>" );
 169 }
 170
 171
 172 require_once( "install-utils.inc" );
 173 require_once( "maintenance/updaters.inc" );
 174
 175 class ConfigData {
 176         function getEncoded( $data ) {
 177                 # removing latin1 support, no need...
 178                 return $data;
 179         }
 180         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 181         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 182         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 183 }
 184
 185 ?>
 186
 187 <h2>Checking environment...</h2>
 188 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 189 <ul class="env-check">
 190 <?php
 191 $endl = "
 192 ";
 193 $wgNoOutputBuffer = true;
 194 $conf = new ConfigData;
 195
 196 install_version_checks();
 197
 198 print "<li>PHP " . phpversion() . " installed</li>\n";
 199
 200 if( ini_get( "register_globals" ) ) {
 201         ?>
 202         <li>
 203                 <div style="font-size:110%">
 204                 <strong class="error">Warning:</strong>
 205                 <strong>PHP's   <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 206                 </div>
 207                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 208         </li>
 209         <?php
 210 }
 211
 212 $fatal = false;
 213
 214 if( ini_get( "magic_quotes_runtime" ) ) {
 215         $fatal = true;
 216         ?><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>
 217         This option corrupts data input unpredictably; you cannot install or use
 218         MediaWiki unless this option is disabled.
 219         <?php
 220 }
 221
 222 if( ini_get( "magic_quotes_sybase" ) ) {
 223         $fatal = true;
 224         ?><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>
 225         This option corrupts data input unpredictably; you cannot install or use
 226         MediaWiki unless this option is disabled.
 227         <?php
 228 }
 229
 230 if( ini_get( "mbstring.func_overload" ) ) {
 231         $fatal = true;
 232         ?><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>
 233         This option causes errors and may corrupt data unpredictably;
 234         you cannot install or use MediaWiki unless this option is disabled.
 235         <?php
 236 }
 237
 238 if( $fatal ) {
 239         dieout( "</ul><p>Cannot install MediaWiki.</p>" );
 240 }
 241
 242 if( ini_get( "safe_mode" ) ) {
 243         $conf->safeMode = true;
 244         ?>
 245         <li><b class='error'>Warning:</b> <strong>PHP's
 246         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 247         You may have problems caused by this, particularly if using image uploads.
 248         </li>
 249         <?php
 250 } else {
 251         $conf->safeMode = false;
 252 }
 253
 254 $sapi = php_sapi_name();
 255 $conf->prettyURLs = true;
 256 print "<li>PHP server API is $sapi; ";
 257 switch( $sapi ) {
 258 case "apache":
 259 case "apache2handler":
 260         print "ok, using pretty URLs (<tt>index.php/Page_Title</tt>)";
 261         break;
 262 default:
 263         print "unknown; ";
 264 case "cgi":
 265 case "cgi-fcgi":
 266 case "apache2filter":
 267 case "isapi":
 268         print "using ugly URLs (<tt>index.php?title=Page_Title</tt>)";
 269         $conf->prettyURLs = false;
 270         break;
 271 }
 272 print "</li>\n";
 273
 274 $conf->xml = function_exists( "utf8_encode" );
 275 if( $conf->xml ) {
 276         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 277 } else {
 278         dieout( "PHP's XML module is missing; the wiki requires functions in
 279                 this module and won't work in this configuration.
 280                 If you're running Mandrake, install the php-xml package." );
 281 }
 282
 283 # Crude check for session support
 284 if( !function_exists( 'session_name' ) )
 285         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 286
 287 $memlimit = ini_get( "memory_limit" );
 288 $conf->raiseMemory = false;
 289 if( empty( $memlimit ) || $memlimit == -1 ) {
 290         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 291 } else {
 292         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". <strong>If this is too low, installation may fail!</strong> ";
 293         $n = intval( $memlimit );
 294         if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
 295                 $n = intval( $m[1] * (1024*1024) );
 296         }
 297         if( $n < 20*1024*1024 ) {
 298                 print "Attempting to raise limit to 20M... ";
 299                 if( false === ini_set( "memory_limit", "20M" ) ) {
 300                         print "failed.";
 301                 } else {
 302                         $conf->raiseMemory = true;
 303                         print "ok.";
 304                 }
 305         }
 306         print "</li>\n";
 307 }
 308
 309 $conf->zlib = function_exists( "gzencode" );
 310 if( $conf->zlib ) {
 311         print "<li>Have zlib support; enabling output compression.</li>\n";
 312 } else {
 313         print "<li>No zlib support.</li>\n";
 314 }
 315
 316 $conf->turck = function_exists( 'mmcache_get' );
 317 if ( $conf->turck ) {
 318         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 319 }
 320 $conf->eaccel = function_exists( 'eaccelerator_get' );
 321 if ( $conf->eaccel ) {
 322     $conf->turck = 'eaccelerator';
 323     print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 324 }
 325 if (!$conf->turck && !$conf->eaccel) {
 326         print "<li>Neither <a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> nor <a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> are installed, " .
 327           "can't use object caching functions</li>\n";
 328 }
 329
 330 $conf->diff3 = false;
 331 $diff3locations = array("/usr/bin", "/opt/csw/bin", "/usr/gnu/bin", "/usr/sfw/bin") + explode($sep, getenv("PATH"));
 332 $diff3names = array("gdiff3", "diff3", "diff3.exe");
 333
 334 $diff3versioninfo = array('$1 --version 2>&1', 'diff3 (GNU diffutils)');
 335 foreach ($diff3locations as $loc) {
 336         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 337         if ($exe !== false) {
 338                 $conf->diff3 = $exe;
 339                 break;
 340         }
 341 }
 342
 343 if ($conf->diff3)
 344         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 345 else
 346         print "<li>GNU diff3 not found.</li>";
 347
 348 $conf->ImageMagick = false;
 349 $imcheck = array( "/usr/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 350 foreach( $imcheck as $dir ) {
 351         $im = "$dir/convert";
 352         if( file_exists( $im ) ) {
 353                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 354                 $conf->ImageMagick = $im;
 355                 break;
 356         }
 357 }
 358
 359 $conf->HaveGD = function_exists( "imagejpeg" );
 360 if( $conf->HaveGD ) {
 361         print "<li>Found GD graphics library built-in";
 362         if( !$conf->ImageMagick ) {
 363                 print ", image thumbnailing will be enabled if you enable uploads";
 364         }
 365         print ".</li>\n";
 366 } else {
 367         if( !$conf->ImageMagick ) {
 368                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 369         }
 370 }
 371
 372 $conf->UseImageResize = $conf->HaveGD || $conf->ImageMagick;
 373
 374 $conf->IP = dirname( dirname( __FILE__ ) );
 375 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 376
 377 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $_SERVER["PHP_SELF"] ); # was SCRIPT_NAME
 378 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 379
 380 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 381         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 382
 383         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 384         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 385                 ? 'root@localhost'
 386                 : $_SERVER["SERVER_ADMIN"];
 387         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 388         $conf->DBtype = importPost( "DBtype", "mysql" );
 389         $conf->DBserver = importPost( "DBserver", "localhost" );
 390         $conf->DBname = importPost( "DBname", "wikidb" );
 391         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 392         $conf->DBpassword = importPost( "DBpassword" );
 393         $conf->DBpassword2 = importPost( "DBpassword2" );
 394         $conf->DBprefix = importPost( "DBprefix" );
 395         $conf->DBmysql5 = (importPost( "DBmysql5" ) == "true") ? "true" : "false";
 396         $conf->RootUser = importPost( "RootUser", "root" );
 397         $conf->RootPW = importPost( "RootPW", "-" );
 398         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 399         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 400         $conf->SysopPass = importPost( "SysopPass" );
 401         $conf->SysopPass2 = importPost( "SysopPass2" );
 402
 403 /* Check for validity */
 404 $errs = array();
 405
 406 if( $conf->Sitename == "" || $conf->Sitename == "MediaWiki" || $conf->Sitename == "Mediawiki" ) {
 407         $errs["Sitename"] = "Must not be blank or \"MediaWiki\"";
 408 }
 409 if( $conf->DBuser == "" ) {
 410         $errs["DBuser"] = "Must not be blank";
 411 }
 412 if( $conf->DBpassword == "" ) {
 413         $errs["DBpassword"] = "Must not be blank";
 414 }
 415 if( $conf->DBpassword != $conf->DBpassword2 ) {
 416         $errs["DBpassword2"] = "Passwords don't match!";
 417 }
 418 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 419         $errs["DBprefix"] = "Invalid table prefix";
 420 }
 421
 422 if( $conf->SysopPass == "" ) {
 423         $errs["SysopPass"] = "Must not be blank";
 424 }
 425 if( $conf->SysopPass != $conf->SysopPass2 ) {
 426         $errs["SysopPass2"] = "Passwords don't match!";
 427 }
 428
 429 $conf->License = importRequest( "License", "none" );
 430 if( $conf->License == "gfdl" ) {
 431         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 432         $conf->RightsText = "GNU Free Documentation License 1.2";
 433         $conf->RightsCode = "gfdl";
 434         $conf->RightsIcon = '${wgStylePath}/common/images/gnu-fdl.png';
 435 } elseif( $conf->License == "none" ) {
 436         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 437 } else {
 438         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 439         $conf->RightsText = importRequest( "RightsText", "" );
 440         $conf->RightsCode = importRequest( "RightsCode", "" );
 441         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 442 }
 443
 444 $conf->Shm = importRequest( "Shm", "none" );
 445 $conf->MCServers = importRequest( "MCServers" );
 446
 447 /* Test memcached servers */
 448
 449 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 450         $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
 451         foreach ( $conf->MCServerArray as $server ) {
 452                 $error = testMemcachedServer( $server );
 453                 if ( $error ) {
 454                         $errs["MCServers"] = $error;
 455                         break;
 456                 }
 457         }
 458 } else if ( $conf->Shm == 'memcached' ) {
 459         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 460 }
 461
 462 /* default values for installation */
 463 $conf->Email    =importRequest("Email", "email_enabled");
 464 $conf->Emailuser=importRequest("Emailuser", "emailuser_enabled");
 465 $conf->Enotif   =importRequest("Enotif", "enotif_allpages");
 466 $conf->Eauthent =importRequest("Eauthent", "eauthent_enabled");
 467
 468 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 469         do { /* So we can 'continue' to end prematurely */
 470                 $conf->Root = ($conf->RootPW != "");
 471
 472                 /* Load up the settings and get installin' */
 473                 $local = writeLocalSettings( $conf );
 474                 echo "<p><b>Generating configuration file...</b></p>\n";
 475                 // for debugging: // echo "<pre>" . htmlspecialchars( $local ) . "</pre>\n";
 476
 477                 $wgCommandLineMode = false;
 478                 chdir( ".." );
 479                 eval($local);
 480                 if (!in_array($conf->DBtype, array("mysql", "oracle"))) {
 481                         $errs["DBtype"] = "Unknown database type.";
 482                         continue;
 483                 }
 484                 print "<li>Database type: {$conf->DBtype}</li>\n";
 485                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 486                 require_once("$dbclass.php");
 487                 $wgDBtype = $conf->DBtype;
 488                 $wgDBadminuser = "root";
 489                 $wgDBadminpassword = $conf->RootPW;
 490                 $wgDBprefix = $conf->DBprefix;
 491                 $wgCommandLineMode = true;
 492                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 493                 require_once( "includes/Setup.php" );
 494                 chdir( "config" );
 495
 496                 require_once( "maintenance/InitialiseMessages.inc" );
 497
 498                 $wgTitle = Title::newFromText( "Installation script" );
 499                 $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 500                 if( $mysqlOldClient ) {
 501                         print "<li><b>PHP is linked with old MySQL client libraries. If you are
 502                                 using a MySQL 4.1 server and have problems connecting to the database,
 503                                 see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 504                                 >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 505                 }
 506                 $dbc = new $dbclass;
 507
 508                 if( $conf->DBtype == 'mysql' ) {
 509                         $ok = true; # Let's be optimistic
 510
 511                         # Decide if we're going to use the superuser or the regular database user
 512                         if( $conf->RootPW == '-' ) {
 513                                 # Regular user
 514                                 $conf->Root = false;
 515                                 $db_user = $wgDBuser;
 516                                 $db_pass = $wgDBpassword;
 517                         } else {
 518                                 # Superuser
 519                                 $conf->Root = true;
 520                                 $db_user = $conf->RootUser;
 521                                 $db_pass = $conf->RootPW;
 522                         }
 523
 524                         # Attempt to connect
 525                         echo( "<li>Attempting to connect to database server as $db_user..." );
 526                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 527
 528                         # Check the connection and respond to errors
 529                         if( $wgDatabase->isOpen() ) {
 530                                 # Seems OK
 531                                 $ok = true;
 532                                 $wgDBadminuser = $db_user;
 533                                 $wgDBadminpassword = $db_pass;
 534                                 echo( "success.</li>\n" );
 535                                 $wgDatabase->ignoreErrors( true );
 536                                 $myver = mysql_get_server_info( $wgDatabase->mConn );
 537                         } else {
 538                                 # There were errors, report them and back out
 539                                 $ok = false;
 540                                 $errno = mysql_errno();
 541                                 $errtx = htmlspecialchars( mysql_error() );
 542                                 switch( $errno ) {
 543                                         case 1045:
 544                                         case 2000:
 545                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 546                                                 if( $conf->Root ) {
 547                                                         # The superuser details are wrong
 548                                                         $errs["RootUser"] = "Check username";
 549                                                         $errs["RootPW"] = "and password";
 550                                                 } else {
 551                                                         # The regular user details are wrong
 552                                                         $errs["DBuser"] = "Check username";
 553                                                         $errs["DBpassword"] = "and password";
 554                                                 }
 555                                                 break;
 556                                         case 2002:
 557                                         case 2003:
 558                                         default:
 559                                                 # General connection problem
 560                                                 echo( "failed with error [$errno] $errtx.</li>\n" );
 561                                                 $errs["DBserver"] = "Connection failed";
 562                                                 break;
 563                                 } # switch
 564                         } #conn. att.
 565
 566                         if( !$ok ) { continue; }
 567
 568                 } else /* not mysql */ {
 569                         print "<li>Connecting to SQL server...";
 570                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
 571                         if (!$wgDatabase->isOpen()) {
 572                                 print " error: " . $wgDatabase->lastError() . "</li>\n";
 573                         } else {
 574                                 $wgDatabase->ignoreErrors(true);
 575                                 $myver = get_db_version();
 576                         }
 577                 }
 578
 579                 if ( !$wgDatabase->isOpen() ) {
 580                         $errs["DBserver"] = "Couldn't connect to database";
 581                         continue;
 582                 }
 583
 584                 print "<li>Connected to $myver";
 585                 if( version_compare( $myver, "4.0.0" ) < 0 ) {
 586                         die( " -- mysql 4.0 or later required. Aborting." );
 587                 }
 588                 $mysqlNewAuth   = version_compare( $myver, "4.1.0", "ge" );
 589                 if( $mysqlNewAuth && $mysqlOldClient ) {
 590                         print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
 591                                 to old client libraries; if you have trouble with authentication, see
 592                                 <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 593                                 >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
 594                 }
 595                 if( $wgDBmysql5 ) {
 596                         if( $mysqlNewAuth ) {
 597                                 print "; enabling MySQL 4.1/5.0 charset mode";
 598                         } else {
 599                                 print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
 600                                         but older version detected; will likely fail.</b>";
 601                         }
 602                 }
 603                 print "</li>\n";
 604
 605                 if ($conf->DBtype == 'mysql') {
 606                         @$sel = mysql_select_db( $wgDBname, $wgDatabase->mConn );
 607                         if( $sel ) {
 608                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
 609                         } else {
 610                                 $err = mysql_errno();
 611                                 if ( $err != 1049 ) {
 612                                         print "<ul><li>Error selecting database $wgDBname: $err " .
 613                                                 htmlspecialchars( mysql_error() ) . "</li></ul>";
 614                                         continue;
 615                                 }
 616                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
 617                                 if( !$res ) {
 618                                         print "<li>Couldn't create database <tt>" .
 619                                                 htmlspecialchars( $wgDBname ) .
 620                                                 "</tt>; try with root access or check your username/pass.</li>\n";
 621                                         $errs["RootPW"] = "&lt;- Enter";
 622                                         continue;
 623                                 }
 624                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
 625                         }
 626                         $wgDatabase->selectDB( $wgDBname );
 627                 }
 628
 629                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
 630                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
 631
 632                         # Create user if required
 633                         if ( $conf->Root ) {
 634                                 $conn = Database::newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 635                                 if ( $conn->isOpen() ) {
 636                                         print "<li>DB user account ok</li>\n";
 637                                         $conn->close();
 638                                 } else {
 639                                         print "<li>Granting user permissions...";
 640                                         if( $mysqlOldClient && $mysqlNewAuth ) {
 641                                                 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>";
 642                                         }
 643                                         print "</li>\n";
 644                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 645                                 }
 646                         }
 647                         print "<pre>\n";
 648                         chdir( ".." );
 649                         flush();
 650                         do_all_updates();
 651                         chdir( "config" );
 652
 653                         print "</pre>\n";
 654                         print "<li>Finished update checks.</li>\n";
 655                 } else {
 656                         # FIXME: Check for errors
 657                         print "<li>Creating tables...";
 658                         if ($conf->DBtype == 'mysql') {
 659                                 if( $wgDBmysql5 ) {
 660                                         print " using MySQL 5 table defs...";
 661                                         dbsource( "../maintenance/mysql5/tables.sql", $wgDatabase );
 662                                 } else {
 663                                         print " using MySQL 4 table defs...";
 664                                         dbsource( "../maintenance/tables.sql", $wgDatabase );
 665                                 }
 666                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
 667                         } else {
 668                                 dbsource( "../maintenance/oracle/tables.sql", $wgDatabase );
 669                                 dbsource( "../maintenance/oracle/interwiki.sql", $wgDatabase );
 670                         }
 671
 672                         print " done.</li>\n";
 673
 674                         print "<li>Initializing data...";
 675                         $wgDatabase->insert( 'site_stats',
 676                                 array( 'ss_row_id'        => 1,
 677                                        'ss_total_views'   => 0,
 678                                        'ss_total_edits'   => 0,
 679                                        'ss_good_articles' => 0 ) );
 680
 681                         # Set up the "regular user" account *if we can, and if we need to*
 682                         if( $conf->Root ) {
 683                                 # See if we need to
 684                                 $wgDatabase2 = Database::newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, '', 1 );
 685                                 if( $wgDatabase2->isOpen() ) {
 686                                         # Nope, just close the test connection and continue
 687                                         $wgDatabase2->close();
 688                                         echo( "<li>User $wgDBuser exists. Skipping grants.</li>" );
 689                                 } else {
 690                                         # Yes, so run the grants
 691                                         echo( "<li>Granting user permissions to $wgDBuser on $wgDBname..." );
 692                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 693                                         echo( "success.</li>" );
 694                                 }
 695                         }
 696
 697                         if( $conf->SysopName ) {
 698                                 $u = User::newFromName( $conf->getSysopName() );
 699                                 if ( 0 == $u->idForName() ) {
 700                                         $u->addToDatabase();
 701                                         $u->setPassword( $conf->getSysopPass() );
 702                                         $u->saveSettings();
 703
 704                                         $u->addGroup( "sysop" );
 705                                         $u->addGroup( "bureaucrat" );
 706
 707                                         print "<li>Created sysop account <tt>" .
 708                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
 709                                 } else {
 710                                         print "<li>Could not create user - already exists!</li>\n";
 711                                 }
 712                         } else {
 713                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
 714                         }
 715
 716                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
 717                         $article = new Article( $titleobj );
 718                         $newid = $article->insertOn( $wgDatabase );
 719                         $revision = new Revision( array(
 720                                 'page'      => $newid,
 721                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsg( 'mainpagedocfooter' ),
 722                                 'comment'   => '',
 723                                 'user'      => 0,
 724                                 'user_text' => 'MediaWiki default',
 725                                 ) );
 726                         $revid = $revision->insertOn( $wgDatabase );
 727                         $article->updateRevisionOn( $wgDatabase, $revision );
 728
 729                         print "<li><pre>";
 730                         initialiseMessages();
 731                         print "</pre></li>\n";
 732                 }
 733
 734                 /* Write out the config file now that all is well */
 735                 print "<p>Creating LocalSettings.php...</p>\n\n";
 736                 $localSettings =  "<" . "?php$endl$local$endl?" . ">";
 737                 // Fix up a common line-ending problem (due to CVS on Windows)
 738                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
 739
 740                 if( version_compare( phpversion(), "4.3.2" ) >= 0 ) {
 741                         $xt = "xt"; # Refuse to overwrite an existing file
 742                 } else {
 743                         $xt = "wt"; # 'x' is not available prior to PHP 4.3.2. We did check above, but race conditions blah blah
 744                 }
 745                 $f = fopen( "LocalSettings.php", $xt );
 746
 747                 if( $f == false ) {
 748                         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" .
 749                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
 750                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
 751                 }
 752                 if(fwrite( $f, $localSettings ) ) {
 753                         fclose( $f );
 754                         writeSuccessMessage();
 755                 } else {
 756                         fclose( $f );
 757                         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");
 758
 759                 }
 760
 761         } while( false );
 762 }
 763 ?>
 764 </ul>
 765
 766
 767 <?php
 768
 769 if( count( $errs ) ) {
 770         /* Display options form */
 771
 772         if( $conf->posted ) {
 773                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
 774         }
 775 ?>
 776
 777 <form action="index.php" name="config" method="post">
 778
 779
 780 <h2>Site config</h2>
 781
 782 <div class="config-section">
 783         <div class="config-input">
 784                 <?php
 785                 aField( $conf, "Sitename", "Wiki name:" );
 786                 ?>
 787         </div>
 788         <p class="config-desc">
 789                 Preferably a short word without punctuation, i.e. "Wikipedia".<br>
 790                 Will appear as the namespace name for "meta" pages, and throughout the interface.
 791         </p>
 792
 793         <div class="config-input">
 794                 <?php
 795                 aField( $conf, "EmergencyContact", "Contact e-mail:" );
 796                 ?>
 797         </div>
 798         <p class="config-desc">
 799                 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.
 800         </p>
 801
 802         <div class="config-input">
 803                 <label class='column' for="LanguageCode">Language:</label>
 804                 <select id="LanguageCode" name="LanguageCode">
 805
 806                 <?php
 807                         $list = getLanguageList();
 808                         foreach( $list as $code => $name ) {
 809                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
 810                                 echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
 811                         }
 812                 ?>
 813                 </select>
 814         </div>
 815         <p class="config-desc">
 816                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) used for all localizations.
 817         </p>
 818
 819         <div class="config-input">
 820                 <label class='column'>Copyright/license:</label>
 821
 822                 <ul class="plain">
 823                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
 824                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
 825                 <li><?php
 826                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
 827                         $partner = "MediaWiki";
 828                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/index.php?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
 829                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
 830                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
 831                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
 832                         ?>
 833                 <?php if( $conf->License == "cc" ) { ?>
 834                         <ul>
 835                                 <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='icon' />", "hidden" ); ?></li>
 836                                 <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
 837                                 <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
 838                                 <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
 839                         </ul>
 840                 <?php } ?>
 841                         </li>
 842                 </ul>
 843         </div>
 844         <p class="config-desc">
 845                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
 846         </p>
 847
 848
 849         <div class="config-input">
 850                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
 851         </div>
 852         <div class="config-input">
 853                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
 854         </div>
 855         <div class="config-input">
 856                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
 857         </div>
 858         <p class="config-desc">
 859                 An admin can lock/delete pages, block users from editing, and other maintenance tasks.<br>
 860                 A new account will be added only when creating a new wiki database.
 861         </p>
 862
 863         <div class="config-input">
 864                 <label class='column'>Shared memory caching:</label>
 865
 866                 <ul class="plain">
 867                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
 868                 <?php
 869                         if ( $conf->turck ) {
 870                                 echo "<li>";
 871                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
 872                                 echo "</li>";
 873                         }
 874                 ?>
 875                 <?php
 876                         if ( $conf->eaccel ) {
 877                                 echo "<li>";
 878                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
 879                                 echo "</li>";
 880                         }
 881                 ?>
 882                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
 883                 </ul>
 884                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
 885         </div>
 886         <p class="config-desc">
 887                 Using a shared memory system such as Turck MMCache, eAccelerator, or Memcached will speed
 888                 up MediaWiki significantly. Memcached is the best solution but needs to be
 889                 installed. Specify the server addresses and ports in a comma-separted list. Only
 890                 use Turck shared memory if the wiki will be running on a single Apache server.
 891         </p>
 892 </div>
 893
 894 <h2>E-mail, e-mail notification and authentication setup</h2>
 895
 896 <div class="config-section">
 897         <div class="config-input">
 898                 <label class='column'>E-mail (general):</label>
 899                 <ul class="plain">
 900                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
 901                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
 902                 </ul>
 903         </div>
 904         <p class="config-desc">
 905                 Use this to disable all e-mail functions (send a password reminder, user-to-user e-mail and e-mail notification),
 906                 if sending e-mails on your server doesn't work.
 907         </p>
 908         <div class="config-input">
 909                 <label class='column'>User-to-user e-mail:</label>
 910                 <ul class="plain">
 911                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
 912                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
 913                 </ul>
 914         </div>
 915         <p class="config-desc">
 916                 Use this to disable only the user-to-user e-mail function (EmailUser).
 917         </p>
 918         <div class="config-input">
 919                 <label class='column'>E-mail notification:</label>
 920                 <ul class="plain">
 921                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
 922                 <li><?php aField( $conf, "Enotif", "Enabled for user_talk changes only", "radio", "enotif_usertalk" ); ?></li>
 923                 <li><?php aField( $conf, "Enotif", "Enabled for user_talk and watch list changes (not recommended for large wikis)", "radio", "enotif_allpages" ); ?></li>
 924                 </ul>
 925         </div>
 926         <div class="config-desc">
 927                 <p>
 928                 E-mail notification sends a notification e-mail to a user, when the user_talk page is changed
 929                 and/or when watch-listed pages are changed, depending on the above settings.
 930                 When testing this feature, be reminded, that obviously an e-mail address must be present in your preferences
 931                 and that your own changes never trigger notifications to be sent to yourself.</p>
 932
 933                 <p>Users get corresponding options to select or deselect in their users' preferences.
 934                 The user options are not shown on the preference page, if e-mail notification is disabled.</p>
 935
 936                 <p>There are additional options for fine tuning in /includes/DefaultSettings.php .</p>
 937         </div>
 938
 939         <div class="config-input">
 940                 <label class='column'>E-mail authentication:</label>
 941                 <ul class="plain">
 942                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
 943                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
 944                 </ul>
 945         </div>
 946         <div class="config-desc">
 947                 <p>E-mail address authentication uses a scheme to authenticate e-mail addresses of the users. The user who initially enters or changes his/her stored e-mail address
 948                 gets a link with a token mailed to that address. The stored e-mail address is authenticated at the moment the user comes back to the wiki via the link.</p>
 949
 950                 <p>The e-mail address stays authenticated as long as the user does not change it; the time of authentication is indicated
 951                 on the user preference page.</p>
 952
 953                 <p>If the option is enabled, only authenticated e-mail addresses can receive EmailUser mails and/or
 954                 e-mail notification mails.</p>
 955         </div>
 956
 957 </div>
 958
 959 <h2>Database config</h2>
 960
 961 <div class="config-section">
 962 <div class="config-input">
 963                 <label class='column'>Database type:</label>
 964                 <ul class='plain'>
 965                         <li><?php aField( $conf, "DBtype", "MySQL", "radio", "mysql"); ?></li>
 966                         <li><?php aField( $conf, "DBtype", "Oracle (experimental)", "radio", "oracle" ); ?></li>
 967                 </ul>
 968         </div>
 969
 970         <div class="config-input" style="clear:left"><?php
 971                 aField( $conf, "DBserver", "SQL server host:" );
 972         ?></div>
 973         <p class="config-desc">
 974                 If your database server isn't on your web server, enter the name
 975                 or IP address here.  MySQL only.
 976         </p>
 977
 978         <div class="config-input"><?php
 979                 aField( $conf, "DBname", "Database name:" );
 980         ?></div>
 981         <div class="config-desc">
 982                 If using Oracle, set this to your connection identifier.
 983         </div>
 984         <div class="config-input"><?php
 985                 aField( $conf, "DBuser", "DB username:" );
 986         ?></div>
 987         <div class="config-input"><?php
 988                 aField( $conf, "DBpassword", "DB password:", "password" );
 989         ?></div>
 990         <div class="config-input"><?php
 991                 aField( $conf, "DBpassword2", "DB password confirm:", "password" );
 992         ?></div>
 993         <p class="config-desc">
 994                 If you only have a single user account and database available,
 995                 enter those here. If you have database root access (see below)
 996                 you can specify new accounts/databases to be created.
 997         </p>
 998         <p>
 999                 This account will not be created if it pre-exists. If this is the case, ensure that it
1000                 has SELECT, INSERT, UPDATE and DELETE permissions on the MediaWiki database.
1001         </p>
1002
1003         <div class="config-input"><?php
1004                 aField( $conf, "DBprefix", "Database table prefix:" );
1005         ?></div>
1006         <div class="config-desc">
1007                 <p>If you need to share one database between multiple wikis, or
1008                 MediaWiki and another web application, you may choose to
1009                 add a prefix to all the table names to avoid conflicts.</p>
1010
1011                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1012         </div>
1013
1014         <div class="config-input"><label class="column">Database charset</label>
1015                 <div>Select one:</div>
1016                 <ul class="plain">
1017                 <li><?php aField( $conf, "DBmysql5", "Backwards-compatible UTF-8", "radio", "false" ); ?></li>
1018                 <li><?php aField( $conf, "DBmysql5", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "true" ); ?></li>
1019                 </ul>
1020         </div>
1021         <p class="config-desc">
1022                 <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
1023                 for MySQL 4.1 and 5.0 servers. This is not well tested and may
1024                 cause things to break. <b>If upgrading an older installation, leave
1025                 in backwards-compatible mode.</b>
1026         </p>
1027
1028         <div class="config-input">
1029                 <?php
1030                 aField( $conf, "RootUser", "Superuser account:", "superuser" );
1031                 ?>
1032         </div>
1033         <div class="config-input">
1034                 <?php
1035                 aField( $conf, "RootPW", "Superuser password:", "password" );
1036                 ?>
1037         </div>
1038
1039         <p class="config-desc">
1040                 If the database user specified above does not exist, or does not have access to create
1041                 the database (if needed) or tables within it, please provide details of a superuser account,
1042                 such as <strong>root</strong>, which does. Leave the password set to <strong>-</strong> if this is not needed.
1043         </p>
1044
1045         <div class="config-input" style="padding:2em 0 3em">
1046                 <label class='column'>&nbsp;</label>
1047                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1048         </div>
1049
1050 </div>
1051
1052 </form>
1053
1054 <?php
1055 }
1056
1057 /* -------------------------------------------------------------------------------------- */
1058 function writeSuccessMessage() {
1059         if ( ini_get( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1060                 echo <<<EOT
1061 <p>Installation successful!</p>
1062 <p>To complete the installation, please do the following:
1063 <ol>
1064         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1065         <li>Upload it to the parent directory</li>
1066         <li>Delete config/LocalSettings.php</li>
1067         <li>Start using <a href='../index.php'>your wiki</a>!
1068 </ol>
1069 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1070 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1071 which means that anyone on the same server can read your database password! Downloading
1072 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1073 EOT;
1074         } else {
1075                 echo "<p>Installation successful! Move the config/LocalSettings.php file into the parent directory, then follow
1076                         <a href='../index.php'>this link</a> to your wiki.</p>\n";
1077         }
1078 }
1079
1080
1081 function escapePhpString( $string ) {
1082         return strtr( $string,
1083                 array(
1084                         "\n" => "\\n",
1085                         "\r" => "\\r",
1086                         "\t" => "\\t",
1087                         "\\" => "\\\\",
1088                         "\$" => "\\\$",
1089                         "\"" => "\\\""
1090                 ));
1091 }
1092
1093 function writeLocalSettings( $conf ) {
1094         $conf->UseImageResize = $conf->UseImageResize ? 'true' : 'false';
1095         $conf->PasswordSender = $conf->EmergencyContact;
1096         $zlib = ($conf->zlib ? "" : "# ");
1097         $magic = ($conf->ImageMagick ? "" : "# ");
1098         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1099         $pretty = ($conf->prettyURLs ? "" : "# ");
1100         $ugly = ($conf->prettyURLs ? "# " : "");
1101         $rights = ($conf->RightsUrl) ? "" : "# ";
1102         $hashedUploads = $conf->safeMode ? '' : '# ';
1103
1104         switch ( $conf->Shm ) {
1105                 case 'memcached':
1106                         $cacheType = 'CACHE_MEMCACHED';
1107                         $mcservers = var_export( $conf->MCServerArray, true );
1108                         break;
1109                 case 'turck':
1110                 case 'eaccel':
1111                         $cacheType = 'CACHE_ACCEL';
1112                         $mcservers = 'array()';
1113                         break;
1114                 default:
1115                         $cacheType = 'CACHE_NONE';
1116                         $mcservers = 'array()';
1117         }
1118
1119         if ( $conf->Email == 'email_enabled' ) {
1120                 $enableemail = 'true';
1121                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1122                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1123                 switch ( $conf->Enotif ) {
1124                         case 'enotif_usertalk':
1125                                 $enotifusertalk = 'true';
1126                                 $enotifwatchlist = 'false';
1127                                 break;
1128                         case 'enotif_allpages':
1129                                 $enotifusertalk = 'true';
1130                                 $enotifwatchlist = 'true';
1131                                 break;
1132                         default:
1133                                 $enotifusertalk = 'false';
1134                                 $enotifwatchlist = 'false';
1135                 }
1136         } else {
1137                 $enableuseremail = 'false';
1138                 $enableemail = 'false';
1139                 $eauthent = 'false';
1140                 $enotifusertalk = 'false';
1141                 $enotifwatchlist = 'false';
1142         }
1143
1144         $file = @fopen( "/dev/urandom", "r" );
1145         if ( $file ) {
1146                 $secretKey = bin2hex( fread( $file, 32 ) );
1147                 fclose( $file );
1148         } else {
1149                 $secretKey = "";
1150                 for ( $i=0; $i<8; $i++ ) {
1151                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1152                 }
1153                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1154         }
1155
1156         # Add slashes to strings for double quoting
1157         $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
1158         if( $conf->License == 'gfdl' ) {
1159                 # Needs literal string interpolation for the current style path
1160                 $slconf['RightsIcon'] = $conf->RightsIcon;
1161         }
1162
1163         $sep = PATH_SEPARATOR;
1164         $localsettings = "
1165 # This file was automatically generated by the MediaWiki installer.
1166 # If you make manual changes, please keep track in case you need to
1167 # recreate them later.
1168 #
1169 # See includes/DefaultSettings.php for all configurable settings
1170 # and their default values, but don't forget to make changes in _this_
1171 # file, not there.
1172
1173 # If you customize your file layout, set \$IP to the directory that contains
1174 # the other MediaWiki files. It will be used as a base to locate files.
1175 if( defined( 'MW_INSTALL_PATH' ) ) {
1176         \$IP = MW_INSTALL_PATH;
1177 } else {
1178         \$IP = dirname( __FILE__ );
1179 }
1180
1181 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1182 set_include_path( implode( PATH_SEPARATOR, \$path ) );
1183
1184 require_once( \"includes/DefaultSettings.php\" );
1185
1186 # If PHP's memory limit is very low, some operations may fail.
1187 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1188
1189 if ( \$wgCommandLineMode ) {
1190         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1191                 die( \"This script must be run from the command line\\n\" );
1192         }
1193 } elseif ( empty( \$wgNoOutputBuffer ) ) {
1194         ## Compress output if the browser supports it
1195         {$zlib}if( !ini_get( 'zlib.output_compression' ) ) @ob_start( 'ob_gzhandler' );
1196 }
1197
1198 \$wgSitename         = \"{$slconf['Sitename']}\";
1199
1200 \$wgScriptPath      = \"{$slconf['ScriptPath']}\";
1201 \$wgScript           = \"\$wgScriptPath/index.php\";
1202 \$wgRedirectScript   = \"\$wgScriptPath/redirect.php\";
1203
1204 ## For more information on customizing the URLs please see:
1205 ## http://meta.wikimedia.org/wiki/Eliminating_index.php_from_the_url
1206 ## If using PHP as a CGI module, the ?title= style usually must be used.
1207 {$pretty}\$wgArticlePath      = \"\$wgScript/\$1\";
1208 {$ugly}\$wgArticlePath      = \"\$wgScript?title=\$1\";
1209
1210 \$wgStylePath        = \"\$wgScriptPath/skins\";
1211 \$wgStyleDirectory   = \"\$IP/skins\";
1212 \$wgLogo             = \"\$wgStylePath/common/images/wiki.png\";
1213
1214 \$wgUploadPath       = \"\$wgScriptPath/images\";
1215 \$wgUploadDirectory  = \"\$IP/images\";
1216
1217 \$wgEnableEmail = $enableemail;
1218 \$wgEnableUserEmail = $enableuseremail;
1219
1220 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1221 \$wgPasswordSender      = \"{$slconf['PasswordSender']}\";
1222
1223 ## For a detailed description of the following switches see
1224 ## http://meta.wikimedia.org/Enotif and http://meta.wikimedia.org/Eauthent
1225 ## There are many more options for fine tuning available see
1226 ## /includes/DefaultSettings.php
1227 ## UPO means: this is also a user preference option
1228 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1229 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1230 \$wgEmailAuthentication = $eauthent;
1231
1232 \$wgDBserver         = \"{$slconf['DBserver']}\";
1233 \$wgDBname           = \"{$slconf['DBname']}\";
1234 \$wgDBuser           = \"{$slconf['DBuser']}\";
1235 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1236 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1237 \$wgDBtype           = \"{$slconf['DBtype']}\";
1238
1239 # Experimental charset support for MySQL 4.1/5.0.
1240 \$wgDBmysql5 = {$conf->DBmysql5};
1241
1242 ## Shared memory settings
1243 \$wgMainCacheType = $cacheType;
1244 \$wgMemCachedServers = $mcservers;
1245
1246 ## To enable image uploads, make sure the 'images' directory
1247 ## is writable, then set this to true:
1248 \$wgEnableUploads               = false;
1249 \$wgUseImageResize              = {$conf->UseImageResize};
1250 {$magic}\$wgUseImageMagick = true;
1251 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1252
1253 ## If you want to use image uploads under safe mode,
1254 ## create the directories images/archive, images/thumb and
1255 ## images/temp, and make them all writable. Then uncomment
1256 ## this, if it's not already uncommented:
1257 {$hashedUploads}\$wgHashedUploadDirectory = false;
1258
1259 ## If you have the appropriate support software installed
1260 ## you can enable inline LaTeX equations:
1261 \$wgUseTeX               = false;
1262 \$wgMathPath         = \"{\$wgUploadPath}/math\";
1263 \$wgMathDirectory    = \"{\$wgUploadDirectory}/math\";
1264 \$wgTmpDirectory     = \"{\$wgUploadDirectory}/tmp\";
1265
1266 \$wgLocalInterwiki   = \$wgSitename;
1267
1268 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1269
1270 \$wgProxyKey = \"$secretKey\";
1271
1272 ## Default skin: you can change the default skin. Use the internal symbolic
1273 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1274 \$wgDefaultSkin = 'monobook';
1275
1276 ## For attaching licensing metadata to pages, and displaying an
1277 ## appropriate copyright notice / icon. GNU Free Documentation
1278 ## License and Creative Commons licenses are supported so far.
1279 {$rights}\$wgEnableCreativeCommonsRdf = true;
1280 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1281 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1282 \$wgRightsText = \"{$slconf['RightsText']}\";
1283 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1284 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1285
1286 \$wgDiff3 = \"{$slconf['diff3']}\";
1287
1288 # When you make changes to this configuration file, this will make
1289 # sure that cached pages are cleared.
1290 \$configdate = gmdate( 'YmdHis', @filemtime( __FILE__ ) );
1291 \$wgCacheEpoch = max( \$wgCacheEpoch, \$configdate );
1292 ";
1293         // Keep things in Unix line endings internally;
1294         // the system will write out as local text type.
1295         return str_replace( "\r\n", "\n", $localsettings );
1296 }
1297
1298 function dieout( $text ) {
1299         die( $text . "\n\n</body>\n</html>" );
1300 }
1301
1302 function importVar( &$var, $name, $default = "" ) {
1303         if( isset( $var[$name] ) ) {
1304                 $retval = $var[$name];
1305                 if ( get_magic_quotes_gpc() ) {
1306                         $retval = stripslashes( $retval );
1307                 }
1308         } else {
1309                 $retval = $default;
1310         }
1311         return $retval;
1312 }
1313
1314 function importPost( $name, $default = "" ) {
1315         return importVar( $_POST, $name, $default );
1316 }
1317
1318 function importRequest( $name, $default = "" ) {
1319         return importVar( $_REQUEST, $name, $default );
1320 }
1321
1322 $radioCount = 0;
1323
1324 function aField( &$conf, $field, $text, $type = "text", $value = "" ) {
1325         global $radioCount;
1326         if( $type != "" ) {
1327                 $xtype = "type=\"$type\"";
1328         } else {
1329                 $xtype = "";
1330         }
1331
1332         if(!(isset($id)) or ($id == "") ) $id = $field;
1333         $nolabel = ($type == "radio") || ($type == "hidden");
1334
1335         if ($type == 'radio')
1336                 $id .= $radioCount++;
1337
1338         if( $nolabel ) {
1339                 echo "\t\t<label>";
1340         } else {
1341                 echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
1342         }
1343
1344         if( $type == "radio" && $value == $conf->$field ) {
1345                 $checked = "checked='checked'";
1346         } else {
1347                 $checked = "";
1348         }
1349         echo "\t\t<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked value=\"";
1350         if( $type == "radio" ) {
1351                 echo htmlspecialchars( $value );
1352         } else {
1353                 echo htmlspecialchars( $conf->$field );
1354         }
1355         echo "\" />\n";
1356         if( $nolabel ) {
1357                 echo " $text</label>\n";
1358         }
1359
1360         global $errs;
1361         if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
1362 }
1363
1364 function getLanguageList() {
1365         global $wgLanguageNames;
1366         if( !isset( $wgLanguageNames ) ) {
1367                 $wgContLanguageCode = "xxx";
1368                 function wfLocalUrl( $x ) { return $x; }
1369                 function wfLocalUrlE( $x ) { return $x; }
1370                 require_once( "languages/Names.php" );
1371         }
1372
1373         $codes = array();
1374
1375         $d = opendir( "../languages" );
1376         while( false !== ($f = readdir( $d ) ) ) {
1377                 $m = array();
1378                 if( preg_match( '/Language([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
1379                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
1380                         if( isset( $wgLanguageNames[$code] ) ) {
1381                                 $name = $code . ' - ' . $wgLanguageNames[$code];
1382                         } else {
1383                                 $name = $code;
1384                         }
1385                         $codes[$code] = $name;
1386                 }
1387         }
1388         closedir( $d );
1389         ksort( $codes );
1390         return $codes;
1391 }
1392
1393 #Check for location of an executable
1394 # @param string $loc single location to check
1395 # @param array $names filenames to check for.
1396 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
1397 function locate_executable($loc, $names, $versioninfo = false) {
1398         if (!is_array($names))
1399                 $names = array($names);
1400
1401         foreach ($names as $name) {
1402                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
1403                 if (file_exists($command)) {
1404                         if (!$versioninfo)
1405                                 return $command;
1406
1407                         $file = str_replace('$1', $command, $versioninfo[0]);
1408                         if (strstr(`$file`, $versioninfo[1]) !== false)
1409                                 return $command;
1410                 }
1411         }
1412         return false;
1413 }
1414
1415 function get_db_version() {
1416         global $wgDatabase, $conf;
1417         if ($conf->DBtype == 'mysql')
1418                 return mysql_get_server_info( $wgDatabase->mConn );
1419         else if ($conf->DBtype == 'oracle')
1420                 return oci_server_version($wgDatabase->mConn);
1421 }
1422
1423 # Test a memcached server
1424 function testMemcachedServer( $server ) {
1425         $hostport = explode(":", $server);
1426         $errstr = false;
1427         $fp = false;
1428         if ( !function_exists( 'fsockopen' ) ) {
1429                 $errstr = "Can't connect to memcached, fsockopen() not present";
1430         }
1431         if ( !$errstr &&  count( $hostport ) != 2 ) {
1432                 $errstr = 'Please specify host and port';
1433                 var_dump( $hostport );
1434         }
1435         if ( !$errstr ) {
1436                 list( $host, $port ) = $hostport;
1437                 $errno = 0;
1438                 $fsockerr = '';
1439
1440                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
1441                 if ( $fp === false ) {
1442                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
1443                 }
1444         }
1445         if ( !$errstr ) {
1446                 $command = "version\r\n";
1447                 $bytes = fwrite( $fp, $command );
1448                 if ( $bytes != strlen( $command ) ) {
1449                         $errstr = "Cannot write to memcached socket on $host:$port";
1450                 }
1451         }
1452         if ( !$errstr ) {
1453                 $expected = "VERSION ";
1454                 $response = fread( $fp, strlen( $expected ) );
1455                 if ( $response != $expected ) {
1456                         $errstr = "Didn't get correct memcached response from $host:$port";
1457                 }
1458         }
1459         if ( $fp ) {
1460                 fclose( $fp );
1461         }
1462         if ( !$errstr ) {
1463                 echo "<li>Connected to memcached on $host:$port successfully";
1464         }
1465         return $errstr;
1466 }
1467 ?>
1468
1469         <div class="license">
1470         <hr>
1471         <p>This program is free software; you can redistribute it and/or modify
1472          it under the terms of the GNU General Public License as published by
1473          the Free Software Foundation; either version 2 of the License, or
1474          (at your option) any later version.</p>
1475
1476          <p>This program is distributed in the hope that it will be useful,
1477          but WITHOUT ANY WARRANTY; without even the implied warranty of
1478          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1479          GNU General Public License for more details.</p>
1480
1481          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
1482          along with this program; if not, write to the Free Software
1483          Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
1484          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
1485         </div>
1486
1487 </div></div></div>
1488
1489
1490 <div id="column-one">
1491         <div class="portlet" id="p-logo">
1492           <a style="background-image: url(../skins/common/images/mediawiki.png);"
1493             href="http://www.mediawiki.org/"
1494             title="Main Page"></a>
1495         </div>
1496         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
1497         <div class='portlet'><div class='pBody'>
1498                 <ul>
1499                         <li><strong><a href="http://www.mediawiki.org/">MediaWiki home</a></strong></li>
1500                         <li><a href="../README">Readme</a></li>
1501                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
1502                         <li><a href="../docs/">Documentation</a></li>
1503                         <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
1504                         <li><a href="http://meta.wikimedia.org/wiki/MediaWiki_FAQ">FAQ</a></li>
1505                 </ul>
1506                 <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>
1507         </div></div>
1508 </div>
1509
1510 </div>
1511
1512 </body>
1513 </html>