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