config/index.php

   1 <?php
   2 # MediaWiki web-based config/installation
   3 # Copyright (C) 2004 Brion Vibber <brion@pobox.com>
   4 # http://www.mediawiki.org/
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along
  17 # with this program; if not, write to the Free Software Foundation, Inc.,
  18 # 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19 # http://www.gnu.org/copyleft/gpl.html
  20
  21 error_reporting( E_ALL );
  22 header( "Content-type: text/html; charset=utf-8" );
  23 @ini_set( "display_errors", true );
  24
  25 ?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
  26         "http://www.w3.org/TR/html4/loose.dtd">
  27 <html>
  28 <head>
  29         <meta http-equiv="Content-type" content="text/html; charset=utf-8">
  30         <title>MediaWiki installation</title>
  31         <style type="text/css">
  32
  33                 @import "../skins/monobook/main.css";
  34
  35                 .env-check {
  36                         font-size: 90%;
  37                         margin: 1em 0 1em 2.5em;
  38                 }
  39
  40                 .config-section {
  41                         margin-top: 2em;
  42                 }
  43
  44                 .config-section label.column {
  45                         clear: left;
  46                         font-weight: bold;
  47                         width: 13em;
  48                         float: left;
  49                         text-align: right;
  50                         padding-right: 1em;
  51                         padding-top: .2em;
  52                 }
  53
  54                 .config-input {
  55                         clear: left;
  56                         zoom: 100%; /* IE hack */
  57                 }
  58
  59                 .config-section .config-desc {
  60                         clear: left;
  61                         margin: 0 0 2em 18em;
  62                         padding-top: 1em;
  63                         font-size: 85%;
  64                 }
  65
  66                 .iput-text, .iput-password {
  67                         width: 14em;
  68                         margin-right: 1em;
  69                 }
  70
  71                 .error {
  72                         color: red;
  73                         background-color: #fff;
  74                         font-weight: bold;
  75                         left: 1em;
  76                         font-size: 100%;
  77                 }
  78
  79                 .error-top {
  80                         color: red;
  81                         background-color: #FFF0F0;
  82                         border: 2px solid        red;
  83                         font-size: 130%;
  84                         font-weight: bold;
  85                         padding: 1em 1.5em;
  86                         margin: 2em 0 1em;
  87                 }
  88
  89                 ul.plain {
  90                         list-style-type: none;
  91                         list-style-image: none;
  92                         float: left;
  93                         margin: 0;
  94                         padding: 0;
  95                 }
  96
  97                 .btn-install {
  98                         font-weight: bold;
  99                         font-size: 110%;
 100                         padding: .2em .3em;
 101                 }
 102
 103                 .license {
 104                         font-size: 85%;
 105                         padding-top: 3em;
 106                 }
 107
 108         </style>
 109 </head>
 110
 111 <body>
 112 <div id="globalWrapper">
 113 <div id="column-content">
 114 <div id="content">
 115 <div id="bodyContent">
 116
 117
 118 <?php
 119
 120 # Relative includes seem to break if a parent directory is not readable;
 121 # this is common for public_html subdirs under user home directories.
 122 #
 123 # As a dirty hack, we'll try to set up the include path first.
 124 #
 125 $IP = dirname( dirname( __FILE__ ) );
 126 $sep = PATH_SEPARATOR;
 127 if( !ini_set( "include_path", ".$sep$IP$sep$IP/includes$sep$IP/languages" ) ) {
 128         set_include_path( ".$sep$IP$sep$IP/includes$sep$IP/languages" );
 129 }
 130
 131
 132 define( "MEDIAWIKI", true );
 133 define( "MEDIAWIKI_INSTALL", true );
 134 require_once( "includes/Defines.php" );
 135 require_once( "includes/DefaultSettings.php" );
 136 require_once( "includes/MagicWord.php" );
 137 require_once( "includes/Namespace.php" );
 138 ?>
 139
 140 <h1>MediaWiki <?php print $wgVersion ?> installation</h1>
 141
 142 <?php
 143
 144 /* Check for existing configurations and bug out! */
 145
 146 if( file_exists( "../LocalSettings.php" ) ) {
 147         dieout( "       <p><strong>Setup has completed, <a href='../index.php'>your wiki</a> is configured.</strong></p>
 148
 149         <p>Please delete the /config directory for extra security.</p></div></div></div></div>" );
 150 }
 151
 152 if( file_exists( "./LocalSettings.php" ) ) {
 153         writeSuccessMessage();
 154
 155         dieout( '' );
 156 }
 157
 158 if( !is_writable( "." ) ) {
 159         dieout( "<h2>Can't write config file, aborting</h2>
 160
 161         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 162         writable by the web server. Once configuration is done you'll move the created
 163         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 164         then remove the <tt>config</tt> subdirectory entirely.</p>
 165
 166         <p>To make the directory writable on a Unix/Linux system:</p>
 167
 168         <pre>
 169         cd <i>/path/to/wiki</i>
 170         chmod a+w config
 171         </pre>" );
 172 }
 173
 174
 175 require_once( "install-utils.inc" );
 176 require_once( "maintenance/updaters.inc" );
 177
 178 class ConfigData {
 179         function getEncoded( $data ) {
 180                 # removing latin1 support, no need...
 181                 return $data;
 182         }
 183         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 184         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 185         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 186 }
 187
 188 ?>
 189
 190 <h2>Checking environment...</h2>
 191 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 192 <ul class="env-check">
 193 <?php
 194 $endl = "
 195 ";
 196 $wgNoOutputBuffer = true;
 197 $conf = new ConfigData;
 198
 199 install_version_checks();
 200
 201 print "<li>PHP " . phpversion() . " installed</li>\n";
 202
 203 if( ini_get( "register_globals" ) ) {
 204         ?>
 205         <li>
 206                 <div style="font-size:110%">
 207                 <strong class="error">Warning:</strong>
 208                 <strong>PHP's   <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 209                 </div>
 210                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 211         </li>
 212         <?php
 213 }
 214
 215 $fatal = false;
 216
 217 if( ini_get( "magic_quotes_runtime" ) ) {
 218         $fatal = true;
 219         ?><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>
 220         This option corrupts data input unpredictably; you cannot install or use
 221         MediaWiki unless this option is disabled.
 222         <?php
 223 }
 224
 225 if( ini_get( "magic_quotes_sybase" ) ) {
 226         $fatal = true;
 227         ?><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>
 228         This option corrupts data input unpredictably; you cannot install or use
 229         MediaWiki unless this option is disabled.
 230         <?php
 231 }
 232
 233 if( ini_get( "mbstring.func_overload" ) ) {
 234         $fatal = true;
 235         ?><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>
 236         This option causes errors and may corrupt data unpredictably;
 237         you cannot install or use MediaWiki unless this option is disabled.
 238         <?php
 239 }
 240
 241 if( $fatal ) {
 242         dieout( "</ul><p>Cannot install Mediawiki.</p>" );
 243 }
 244
 245 if( ini_get( "safe_mode" ) ) {
 246         $conf->safeMode = true;
 247         ?>
 248         <li><b class='error'>Warning:</b> <strong>PHP's
 249         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 250         You may have problems caused by this, particularly if using image uploads.
 251         </li>
 252         <?php
 253 } else {
 254         $conf->safeMode = false;
 255 }
 256
 257
 258 $sapi = php_sapi_name();
 259 $conf->prettyURLs = true;
 260 print "<li>PHP server API is $sapi; ";
 261 switch( $sapi ) {
 262 case "apache":
 263 case "apache2handler":
 264         print "ok, using pretty URLs (<tt>index.php/Page_Title</tt>)";
 265         break;
 266 default:
 267         print "unknown; ";
 268 case "cgi":
 269 case "cgi-fcgi":
 270 case "apache2filter":
 271 case "isapi":
 272         print "using ugly URLs (<tt>index.php?title=Page_Title</tt>)";
 273         $conf->prettyURLs = false;
 274         break;
 275 }
 276 print "</li>\n";
 277
 278 $conf->xml = function_exists( "utf8_encode" );
 279 if( $conf->xml ) {
 280         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 281 } else {
 282         dieout( "PHP's XML module is missing; the wiki requires functions in
 283                 this module and won't work in this configuration.
 284                 If you're running Mandrake, install the php-xml package." );
 285 }
 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 = "/Users/brion/Sites/inplace";
 375 $conf->IP = dirname( dirname( __FILE__ ) );
 376 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 377
 378 # $conf->ScriptPath = "/~brion/inplace";
 379 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $_SERVER["PHP_SELF"] ); # was SCRIPT_NAME
 380 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 381
 382 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 383         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 384
 385         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 386         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 387                 ? 'root@localhost'
 388                 : $_SERVER["SERVER_ADMIN"];
 389         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 390         $conf->DBtype = importPost( "DBtype", "mysql" );
 391         $conf->DBserver = importPost( "DBserver", "localhost" );
 392         $conf->DBname = importPost( "DBname", "wikidb" );
 393         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 394         $conf->DBpassword = importPost( "DBpassword" );
 395         $conf->DBpassword2 = importPost( "DBpassword2" );
 396         $conf->DBprefix = importPost( "DBprefix" );
 397         $conf->DBmysql5 = (importPost( "DBmysql5" ) == "true") ? "true" : "false";
 398         $conf->RootPW = importPost( "RootPW" );
 399         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 400         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 401         $conf->SysopPass = importPost( "SysopPass" );
 402         $conf->SysopPass2 = importPost( "SysopPass2" );
 403
 404 /* Check for validity */
 405 $errs = array();
 406
 407 if( $conf->Sitename == "" || $conf->Sitename == "MediaWiki" || $conf->Sitename == "Mediawiki" ) {
 408         $errs["Sitename"] = "Must not be blank or \"MediaWiki\"";
 409 }
 410 if( $conf->DBuser == "" ) {
 411         $errs["DBuser"] = "Must not be blank";
 412 }
 413 if( $conf->DBpassword == "" ) {
 414         $errs["DBpassword"] = "Must not be blank";
 415 }
 416 if( $conf->DBpassword != $conf->DBpassword2 ) {
 417         $errs["DBpassword2"] = "Passwords don't match!";
 418 }
 419 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 420         $errs["DBprefix"] = "Invalid table prefix";
 421 }
 422
 423 if( $conf->SysopPass == "" ) {
 424         $errs["SysopPass"] = "Must not be blank";
 425 }
 426 if( $conf->SysopPass != $conf->SysopPass2 ) {
 427         $errs["SysopPass2"] = "Passwords don't match!";
 428 }
 429
 430 $conf->License = importRequest( "License", "none" );
 431 if( $conf->License == "gfdl" ) {
 432         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 433         $conf->RightsText = "GNU Free Documentation License 1.2";
 434         $conf->RightsCode = "gfdl";
 435         $conf->RightsIcon = '${wgStylePath}/common/images/gnu-fdl.png';
 436 } elseif( $conf->License == "none" ) {
 437         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 438 } else {
 439         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 440         $conf->RightsText = importRequest( "RightsText", "" );
 441         $conf->RightsCode = importRequest( "RightsCode", "" );
 442         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 443 }
 444
 445 $conf->Shm = importRequest( "Shm", "none" );
 446 $conf->MCServers = importRequest( "MCServers" );
 447
 448 /* Test memcached servers */
 449
 450 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 451         $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
 452         foreach ( $conf->MCServerArray as $server ) {
 453                 $error = testMemcachedServer( $server );
 454                 if ( $error ) {
 455                         $errs["MCServers"] = $error;
 456                         break;
 457                 }
 458         }
 459 } else if ( $conf->Shm == 'memcached' ) {
 460         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 461 }
 462
 463 /* default values for installation */
 464 $conf->Email    =importRequest("Email", "email_enabled");
 465 $conf->Emailuser=importRequest("Emailuser", "emailuser_enabled");
 466 $conf->Enotif   =importRequest("Enotif", "enotif_allpages");
 467 $conf->Eauthent =importRequest("Eauthent", "eauthent_enabled");
 468
 469 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 470         do { /* So we can 'continue' to end prematurely */
 471                 $conf->Root = ($conf->RootPW != "");
 472
 473                 /* Load up the settings and get installin' */
 474                 $local = writeLocalSettings( $conf );
 475                 $wgCommandLineMode = false;
 476                 chdir( ".." );
 477                 eval($local);
 478                 if (!in_array($conf->DBtype, array("mysql", "oracle"))) {
 479                         $errs["DBtype"] = "Unknown database type.";
 480                         continue;
 481                 }
 482                 print "<li>Database type: {$conf->DBtype}</li>\n";
 483                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 484                 require_once("$dbclass.php");
 485                 $wgDBtype = $conf->DBtype;
 486                 $wgDBadminuser = "root";
 487                 $wgDBadminpassword = $conf->RootPW;
 488                 $wgDBprefix = $conf->DBprefix;
 489                 $wgCommandLineMode = true;
 490                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 491                 require_once( "includes/Setup.php" );
 492                 chdir( "config" );
 493
 494                 require_once( "maintenance/InitialiseMessages.inc" );
 495
 496                 $wgTitle = Title::newFromText( "Installation script" );
 497                 $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 498                 if( $mysqlOldClient ) {
 499                         print "<li><b>PHP is linked with old MySQL client libraries. If you are
 500                                 using a MySQL 4.1 server and have problems connecting to the database,
 501                                 see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 502                                 >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 503                 }
 504                 $dbc = new $dbclass;
 505
 506                 # Attempt to connect with the specific credentials *first*
 507                 # This is a quick fix to bug 921 ("Install script always attempts to connect to database as root")
 508
 509                 if( $conf->DBtype == 'mysql' ) {
 510                         $ok = true; # Let's be optimistic
 511                         echo( "<li>Attempting to connect to database server..." );
 512                         $wgDatabase = Database::newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, "", 1 );
 513                         if( $wgDatabase->isOpen() ) {
 514                                 # Whee, we're in
 515                                 $conf->Root = false;
 516                                 $wgDBadminuser = $wgDBuser;
 517                                 $wgDBadminpassword = $wgDBpassword;
 518                                 echo( "success. Connected as $wgDBuser.</li>\n" );
 519                         } else {
 520                                 # Right, work out what's up
 521                                 $errno = mysql_errno();
 522                                 $errtx = htmlspecialchars( mysql_error() );
 523                                 switch( $errno ) {
 524                                         case 2002:
 525                                         case 2003:
 526                                                 # Connection to server failed
 527                                                 $ok = false;
 528                                                 echo( "failed with error [$errno] $errtx.</li>\n" );
 529                                                 $errs["DBserver"] = "Connection failed";
 530                                                 break;
 531                                         case 1045:
 532                                         case 2000:
 533                                                 # Authentication error, attempt to use root
 534                                                 sleep( 1 ); # Rate limiting
 535                                                 $wgDatabase = $dbc->newFromParams( $wgDBserver, "root", $conf->RootPW, "", 1 );
 536                                                 if( $wgDatabase->isOpen() ) {
 537                                                         # Whee, fixed
 538                                                         $conf->Root = true;
 539                                                         echo( "success. Connected as root.</li>\n" );
 540                                                 } else {
 541                                                         # That didn't work either
 542                                                         $ok = false;
 543                                                         echo( "failed due to authentication errors. Check passwords.</li>" );
 544                                                         $errs["DBuser"] = "Check name/pass";
 545                                                         $errs["DBpassword"] = "or enter root";
 546                                                         $errs["DBpassword2"] = "password below";
 547                                                         $errs["RootPW"] = "Got root?";
 548                                                 }
 549                                                 break;
 550                                         default:
 551                                                 # Something vicious and undocumented happened
 552                                                 # Panic and run our little installer ass off
 553                                                 $ok = false;
 554                                                 echo( "failed with error [$errno] $errtx.</li>\n" );
 555                                                 $errs["DBserver"] = "Couldn't connect to database";
 556                                                 break;
 557                                 } # switch
 558                         } # norm. conn. attempt
 559
 560                         if( $ok ) {
 561                                 # Set the version info. and ignore errors
 562                                 $wgDatabase->ignoreErrors( true );
 563                                 $myver = mysql_get_server_info( $wgDatabase->mConn );
 564                         } else {
 565                                 continue;
 566                         }
 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
 630                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
 631                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
 632
 633                         # Create user if required
 634                         if ( $conf->Root ) {
 635                                 $conn = Database::newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 636                                 if ( $conn->isOpen() ) {
 637                                         print "<li>DB user account ok</li>\n";
 638                                         $conn->close();
 639                                 } else {
 640                                         print "<li>Granting user permissions...";
 641                                         if( $mysqlOldClient && $mysqlNewAuth ) {
 642                                                 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>";
 643                                         }
 644                                         print "</li>\n";
 645                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 646                                 }
 647                         }
 648                         print "<pre>\n";
 649                         chdir( ".." );
 650                         flush();
 651                         do_all_updates();
 652                         chdir( "config" );
 653
 654                         print "</pre>\n";
 655                         print "<li>Finished update checks.</li>\n";
 656                 } else {
 657                         # FIXME: Check for errors
 658                         print "<li>Creating tables...";
 659                         if ($conf->DBtype == 'mysql') {
 660                                 if( $wgDBmysql5 ) {
 661                                         print " using MySQL 5 table defs...";
 662                                         dbsource( "../maintenance/mysql5/tables.sql", $wgDatabase );
 663                                 } else {
 664                                         print " using MySQL 4 table defs...";
 665                                         dbsource( "../maintenance/tables.sql", $wgDatabase );
 666                                 }
 667                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
 668                         } else {
 669                                 dbsource( "../maintenance/oracle/tables.sql", $wgDatabase );
 670                                 dbsource( "../maintenance/oracle/interwiki.sql", $wgDatabase );
 671                         }
 672
 673                         print " done.</li>\n";
 674
 675                         print "<li>Initializing data...";
 676                         $wgDatabase->insert( 'site_stats',
 677                                 array( 'ss_row_id'        => 1,
 678                                        'ss_total_views'   => 0,
 679                                        'ss_total_edits'   => 0,
 680                                        'ss_good_articles' => 0 ) );
 681                         # setting up the db user
 682                         if( $conf->Root ) {
 683                                 print "<li>Granting user permissions...</li>\n";
 684                                 dbsource( "../maintenance/users.sql", $wgDatabase );
 685                         }
 686
 687                         if( $conf->SysopName ) {
 688                                 $u = User::newFromName( $conf->getSysopName() );
 689                                 if ( 0 == $u->idForName() ) {
 690                                         $u->addToDatabase();
 691                                         $u->setPassword( $conf->getSysopPass() );
 692                                         $u->saveSettings();
 693
 694                                         $u->addGroup( "sysop" );
 695                                         $u->addGroup( "bureaucrat" );
 696
 697                                         print "<li>Created sysop account <tt>" .
 698                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
 699                                 } else {
 700                                         print "<li>Could not create user - already exists!</li>\n";
 701                                 }
 702                         } else {
 703                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
 704                         }
 705
 706                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
 707                         $article = new Article( $titleobj );
 708                         $newid = $article->insertOn( $wgDatabase );
 709                         $revision = new Revision( array(
 710                                 'page'      => $newid,
 711                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsg( 'mainpagedocfooter' ),
 712                                 'comment'   => '',
 713                                 'user'      => 0,
 714                                 'user_text' => 'MediaWiki default',
 715                                 ) );
 716                         $revid = $revision->insertOn( $wgDatabase );
 717                         $article->updateRevisionOn( $wgDatabase, $revision );
 718
 719                         print "<li><pre>";
 720                         initialiseMessages();
 721                         print "</pre></li>\n";
 722                 }
 723
 724                 /* Write out the config file now that all is well */
 725                 print "<p>Creating LocalSettings.php...</p>\n\n";
 726                 $localSettings =  "<" . "?php$endl$local$endl?" . ">";
 727                 // Fix up a common line-ending problem (due to CVS on Windows)
 728                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
 729
 730                 if( version_compare( phpversion(), "4.3.2" ) >= 0 ) {
 731                         $xt = "xt"; # Refuse to overwrite an existing file
 732                 } else {
 733                         $xt = "wt"; # 'x' is not available prior to PHP 4.3.2. We did check above, but race conditions blah blah
 734                 }
 735                 $f = fopen( "LocalSettings.php", $xt );
 736
 737                 if( $f == false ) {
 738                         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" .
 739                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
 740                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
 741                 }
 742                 if(fwrite( $f, $localSettings ) ) {
 743                         fclose( $f );
 744                         writeSuccessMessage();
 745                 } else {
 746                         fclose( $f );
 747                         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");
 748
 749                 }
 750
 751         } while( false );
 752 }
 753 ?>
 754 </ul>
 755
 756
 757 <?php
 758
 759 if( count( $errs ) ) {
 760         /* Display options form */
 761
 762         if( $conf->posted ) {
 763                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
 764         }
 765 ?>
 766
 767 <form action="index.php" name="config" method="post">
 768
 769
 770 <h2>Site config</h2>
 771
 772 <div class="config-section">
 773         <div class="config-input">
 774                 <?php
 775                 aField( $conf, "Sitename", "Wiki name:" );
 776                 ?>
 777         </div>
 778         <p class="config-desc">
 779                 Preferably a short word without punctuation, i.e. "Wikipedia".<br>
 780                 Will appear as the namespace name for "meta" pages, and throughout the interface.
 781         </p>
 782
 783         <div class="config-input">
 784                 <?php
 785                 aField( $conf, "EmergencyContact", "Contact e-mail:" );
 786                 ?>
 787         </div>
 788         <p class="config-desc">
 789                 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.
 790         </p>
 791
 792         <div class="config-input">
 793                 <label class='column' for="LanguageCode">Language:</label>
 794                 <select id="LanguageCode" name="LanguageCode">
 795
 796                 <?php
 797                         $list = getLanguageList();
 798                         foreach( $list as $code => $name ) {
 799                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
 800                                 echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
 801                         }
 802                 ?>
 803                 </select>
 804         </div>
 805         <p class="config-desc">
 806                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) used for all localizations.
 807         </p>
 808
 809         <div class="config-input">
 810                 <label class='column'>Copyright/license:</label>
 811
 812                 <ul class="plain">
 813                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
 814                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
 815                 <li><?php
 816                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
 817                         $partner = "MediaWiki";
 818                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/index.php?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
 819                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
 820                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
 821                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
 822                         ?>
 823                 <?php if( $conf->License == "cc" ) { ?>
 824                         <ul>
 825                                 <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='icon' />", "hidden" ); ?></li>
 826                                 <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
 827                                 <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
 828                                 <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
 829                         </ul>
 830                 <?php } ?>
 831                         </li>
 832                 </ul>
 833         </div>
 834         <p class="config-desc">
 835                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
 836         </p>
 837
 838
 839         <div class="config-input">
 840                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
 841         </div>
 842         <div class="config-input">
 843                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
 844         </div>
 845         <div class="config-input">
 846                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
 847         </div>
 848         <p class="config-desc">
 849                 An admin can lock/delete pages, block users from editing, and other maintenance tasks.<br>
 850                 A new account will be added only when creating a new wiki database.
 851         </p>
 852
 853         <div class="config-input">
 854                 <label class='column'>Shared memory caching:</label>
 855
 856                 <ul class="plain">
 857                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
 858                 <?php
 859                         if ( $conf->turck ) {
 860                                 echo "<li>";
 861                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
 862                                 echo "</li>";
 863                         }
 864                 ?>
 865                 <?php
 866                         if ( $conf->eaccel ) {
 867                                 echo "<li>";
 868                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
 869                                 echo "</li>";
 870                         }
 871                 ?>
 872                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
 873                 </ul>
 874                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
 875         </div>
 876         <p class="config-desc">
 877                 Using a shared memory system such as Turck MMCache, eAccelerator, or Memcached will speed
 878                 up MediaWiki significantly. Memcached is the best solution but needs to be
 879                 installed. Specify the server addresses and ports in a comma-separted list. Only
 880                 use Turck shared memory if the wiki will be running on a single Apache server.
 881         </p>
 882 </div>
 883
 884 <h2>E-mail, e-mail notification and authentication setup</h2>
 885
 886 <div class="config-section">
 887         <div class="config-input">
 888                 <label class='column'>E-mail (general):</label>
 889                 <ul class="plain">
 890                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
 891                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
 892                 </ul>
 893         </div>
 894         <p class="config-desc">
 895                 Use this to disable all e-mail functions (send a password reminder, user-to-user e-mail and e-mail notification),
 896                 if sending e-mails on your server doesn't work.
 897         </p>
 898         <div class="config-input">
 899                 <label class='column'>User-to-user e-mail:</label>
 900                 <ul class="plain">
 901                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
 902                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
 903                 </ul>
 904         </div>
 905         <p class="config-desc">
 906                 Use this to disable only the user-to-user e-mail function (EmailUser).
 907         </p>
 908         <div class="config-input">
 909                 <label class='column'>E-mail notification:</label>
 910                 <ul class="plain">
 911                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
 912                 <li><?php aField( $conf, "Enotif", "Enabled for user_talk changes only", "radio", "enotif_usertalk" ); ?></li>
 913                 <li><?php aField( $conf, "Enotif", "Enabled for user_talk and watch list changes (not recommended for large wikis)", "radio", "enotif_allpages" ); ?></li>
 914                 </ul>
 915         </div>
 916         <div class="config-desc">
 917                 <p>
 918                 E-mail notification sends a notification e-mail to a user, when the user_talk page is changed
 919                 and/or when watch-listed pages are changed, depending on the above settings.
 920                 When testing this feature, be reminded, that obviously an e-mail address must be present in your preferences
 921                 and that your own changes never trigger notifications to be sent to yourself.</p>
 922
 923                 <p>Users get corresponding options to select or deselect in their users' preferences.
 924                 The user options are not shown on the preference page, if e-mail notification is disabled.</p>
 925
 926                 <p>There are additional options for fine tuning in /includes/DefaultSettings.php .</p>
 927         </div>
 928
 929         <div class="config-input">
 930                 <label class='column'>E-mail authentication:</label>
 931                 <ul class="plain">
 932                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
 933                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
 934                 </ul>
 935         </div>
 936         <div class="config-desc">
 937                 <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
 938                 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>
 939
 940                 <p>The e-mail address stays authenticated as long as the user does not change it; the time of authentication is indicated
 941                 on the user preference page.</p>
 942
 943                 <p>If the option is enabled, only authenticated e-mail addresses can receive EmailUser mails and/or
 944                 e-mail notification mails.</p>
 945         </div>
 946
 947 </div>
 948
 949 <h2>Database config</h2>
 950
 951 <div class="config-section">
 952 <div class="config-input">
 953                 <label class='column'>Database type:</label>
 954                 <ul class='plain'>
 955                         <li><?php aField( $conf, "DBtype", "MySQL", "radio", "mysql"); ?></li>
 956                         <li><?php aField( $conf, "DBtype", "Oracle", "radio", "oracle" ); ?></li>
 957                 </ul>
 958         </div>
 959
 960         <div class="config-input" style="clear:left"><?php
 961                 aField( $conf, "DBserver", "SQL server host:" );
 962         ?></div>
 963         <p class="config-desc">
 964                 If your database server isn't on your web server, enter the name
 965                 or IP address here.  MySQL only.
 966         </p>
 967
 968         <div class="config-input"><?php
 969                 aField( $conf, "DBname", "Database name:" );
 970         ?></div>
 971         <div class="config-desc">
 972                 If using Oracle, set this to your connection identifier.
 973         </div>
 974         <div class="config-input"><?php
 975                 aField( $conf, "DBuser", "DB username:" );
 976         ?></div>
 977         <div class="config-input"><?php
 978                 aField( $conf, "DBpassword", "DB password:", "password" );
 979         ?></div>
 980         <div class="config-input"><?php
 981                 aField( $conf, "DBpassword2", "DB password confirm:", "password" );
 982         ?></div>
 983         <p class="config-desc">
 984                 If you only have a single user account and database available,
 985                 enter those here. If you have database root access (see below)
 986                 you can specify new accounts/databases to be created.
 987         </p>
 988
 989         <div class="config-input"><?php
 990                 aField( $conf, "DBprefix", "Database table prefix:" );
 991         ?></div>
 992         <div class="config-desc">
 993                 <p>If you need to share one database between multiple wikis, or
 994                 MediaWiki and another web application, you may choose to
 995                 add a prefix to all the table names to avoid conflicts.</p>
 996
 997                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
 998         </div>
 999
1000         <div class="config-input"><label class="column">Database charset</label>
1001                 <div>Select one:</div>
1002                 <ul class="plain">
1003                 <li><?php aField( $conf, "DBmysql5", "Backwards-compatible UTF-8", "radio", "false" ); ?></li>
1004                 <li><?php aField( $conf, "DBmysql5", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "true" ); ?></li>
1005                 </ul>
1006         </div>
1007         <p class="config-desc">
1008                 <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
1009                 for MySQL 4.1 and 5.0 servers. This is not well tested and may
1010                 cause things to break. <b>If upgrading an older installation, leave
1011                 in backwards-compatible mode.</b>
1012         </p>
1013
1014         <div class="config-input">
1015                 <?php
1016                 aField( $conf, "RootPW", "DB root password:", "password" );
1017                 ?>
1018         </div>
1019         <p class="config-desc">
1020                 You will only need this if the database and/or user account
1021                 above don't already exist.
1022                 Do <em>not</em> type in your machine's root password! MySQL
1023                 has its own "root" user with a separate password. (It might
1024                 even be blank, depending on your configuration.)
1025         </p>
1026
1027         <div class="config-input" style="padding:2em 0 3em">
1028                 <label class='column'>&nbsp;</label>
1029                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1030         </div>
1031
1032 </div>
1033
1034 </form>
1035
1036 <?php
1037 }
1038
1039 /* -------------------------------------------------------------------------------------- */
1040 function writeSuccessMessage() {
1041         if ( ini_get( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1042                 echo <<<EOT
1043 <p>Installation successful!</p>
1044 <p>To complete the installation, please do the following:
1045 <ol>
1046         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1047         <li>Upload it to the parent directory</li>
1048         <li>Delete config/LocalSettings.php</li>
1049         <li>Start using <a href='../index.php'>your wiki</a>!
1050 </ol>
1051 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1052 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1053 which means that anyone on the same server can read your database password! Downloading
1054 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1055 EOT;
1056         } else {
1057                 echo "<p>Installation successful! Move the config/LocalSettings.php file into the parent directory, then follow
1058                         <a href='../index.php'>this link</a> to your wiki.</p>\n";
1059         }
1060 }
1061
1062
1063 function escapePhpString( $string ) {
1064         return strtr( $string,
1065                 array(
1066                         "\n" => "\\n",
1067                         "\r" => "\\r",
1068                         "\t" => "\\t",
1069                         "\\" => "\\\\",
1070                         "\$" => "\\\$",
1071                         "\"" => "\\\""
1072                 ));
1073 }
1074
1075 function writeLocalSettings( $conf ) {
1076         $conf->UseImageResize = $conf->UseImageResize ? 'true' : 'false';
1077         $conf->PasswordSender = $conf->EmergencyContact;
1078         $zlib = ($conf->zlib ? "" : "# ");
1079         $magic = ($conf->ImageMagick ? "" : "# ");
1080         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1081         $pretty = ($conf->prettyURLs ? "" : "# ");
1082         $ugly = ($conf->prettyURLs ? "# " : "");
1083         $rights = ($conf->RightsUrl) ? "" : "# ";
1084         $hashedUploads = $conf->safeMode ? '' : '# ';
1085
1086         switch ( $conf->Shm ) {
1087                 case 'memcached':
1088                         $cacheType = 'CACHE_MEMCACHED';
1089                         $mcservers = var_export( $conf->MCServerArray, true );
1090                         break;
1091                 case 'turck':
1092                 case 'eaccel':
1093                         $cacheType = 'CACHE_ACCEL';
1094                         $mcservers = 'array()';
1095                         break;
1096                 default:
1097                         $cacheType = 'CACHE_NONE';
1098                         $mcservers = 'array()';
1099         }
1100
1101         if ( $conf->Email == 'email_enabled' ) {
1102                 $enableemail = 'true';
1103                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1104                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1105                 switch ( $conf->Enotif ) {
1106                         case 'enotif_usertalk':
1107                                 $enotifusertalk = 'true';
1108                                 $enotifwatchlist = 'false';
1109                                 break;
1110                         case 'enotif_allpages':
1111                                 $enotifusertalk = 'true';
1112                                 $enotifwatchlist = 'true';
1113                                 break;
1114                         default:
1115                                 $enotifusertalk = 'false';
1116                                 $enotifwatchlist = 'false';
1117                 }
1118         } else {
1119                 $enableuseremail = 'false';
1120                 $enableemail = 'false';
1121                 $eauthent = 'false';
1122                 $enotifusertalk = 'false';
1123                 $enotifwatchlist = 'false';
1124         }
1125
1126         $file = @fopen( "/dev/urandom", "r" );
1127         if ( $file ) {
1128                 $secretKey = bin2hex( fread( $file, 32 ) );
1129                 fclose( $file );
1130         } else {
1131                 $secretKey = "";
1132                 for ( $i=0; $i<8; $i++ ) {
1133                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1134                 }
1135                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1136         }
1137
1138         # Add slashes to strings for double quoting
1139         $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
1140         if( $conf->License == 'gfdl' ) {
1141                 # Needs literal string interpolation for the current style path
1142                 $slconf['RightsIcon'] = $conf->RightsIcon;
1143         }
1144
1145         $sep = PATH_SEPARATOR;
1146         $localsettings = "
1147 # This file was automatically generated by the MediaWiki installer.
1148 # If you make manual changes, please keep track in case you need to
1149 # recreate them later.
1150 #
1151 # See includes/DefaultSettings.php for all configurable settings
1152 # and their default values, but don't forget to make changes in _this_
1153 # file, not there.
1154
1155 \$IP = \"{$slconf['IP']}\";
1156 if( !ini_set( \"include_path\", \".$sep\$IP$sep\$IP/includes$sep\$IP/languages\" ) ) {
1157         set_include_path( \".$sep\$IP$sep\$IP/includes$sep\$IP/languages\" );
1158 }
1159 require_once( \"includes/DefaultSettings.php\" );
1160
1161 # If PHP's memory limit is very low, some operations may fail.
1162 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1163
1164 if ( \$wgCommandLineMode ) {
1165         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1166                 die( \"This script must be run from the command line\\n\" );
1167         }
1168 } elseif ( empty( \$wgNoOutputBuffer ) ) {
1169         ## Compress output if the browser supports it
1170         {$zlib}if( !ini_get( 'zlib.output_compression' ) ) @ob_start( 'ob_gzhandler' );
1171 }
1172
1173 \$wgSitename         = \"{$slconf['Sitename']}\";
1174
1175 \$wgScriptPath      = \"{$slconf['ScriptPath']}\";
1176 \$wgScript           = \"\$wgScriptPath/index.php\";
1177 \$wgRedirectScript   = \"\$wgScriptPath/redirect.php\";
1178
1179 ## If using PHP as a CGI module, use the ugly URLs
1180 {$pretty}\$wgArticlePath      = \"\$wgScript/\$1\";
1181 {$ugly}\$wgArticlePath      = \"\$wgScript?title=\$1\";
1182
1183 \$wgStylePath        = \"\$wgScriptPath/skins\";
1184 \$wgStyleDirectory   = \"\$IP/skins\";
1185 \$wgLogo             = \"\$wgStylePath/common/images/wiki.png\";
1186
1187 \$wgUploadPath       = \"\$wgScriptPath/images\";
1188 \$wgUploadDirectory  = \"\$IP/images\";
1189
1190 \$wgEnableEmail = $enableemail;
1191 \$wgEnableUserEmail = $enableuseremail;
1192
1193 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1194 \$wgPasswordSender      = \"{$slconf['PasswordSender']}\";
1195
1196 ## For a detailed description of the following switches see
1197 ## http://meta.wikimedia.org/Enotif and http://meta.wikimedia.org/Eauthent
1198 ## There are many more options for fine tuning available see
1199 ## /includes/DefaultSettings.php
1200 ## UPO means: this is also a user preference option
1201 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1202 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1203 \$wgEmailAuthentication = $eauthent;
1204
1205 \$wgDBserver         = \"{$slconf['DBserver']}\";
1206 \$wgDBname           = \"{$slconf['DBname']}\";
1207 \$wgDBuser           = \"{$slconf['DBuser']}\";
1208 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1209 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1210 \$wgDBtype           = \"{$slconf['DBtype']}\";
1211
1212 # Experimental charset support for MySQL 4.1/5.0.
1213 \$wgDBmysql5 = {$conf->DBmysql5};
1214
1215 ## Shared memory settings
1216 \$wgMainCacheType = $cacheType;
1217 \$wgMemCachedServers = $mcservers;
1218
1219 ## To enable image uploads, make sure the 'images' directory
1220 ## is writable, then uncomment this:
1221 # \$wgEnableUploads             = true;
1222 \$wgUseImageResize              = {$conf->UseImageResize};
1223 {$magic}\$wgUseImageMagick = true;
1224 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1225
1226 ## If you want to use image uploads under safe mode,
1227 ## create the directories images/archive, images/thumb and
1228 ## images/temp, and make them all writable. Then uncomment
1229 ## this, if it's not already uncommented:
1230 {$hashedUploads}\$wgHashedUploadDirectory = false;
1231
1232 ## If you have the appropriate support software installed
1233 ## you can enable inline LaTeX equations:
1234 # \$wgUseTeX                    = true;
1235 \$wgMathPath         = \"{\$wgUploadPath}/math\";
1236 \$wgMathDirectory    = \"{\$wgUploadDirectory}/math\";
1237 \$wgTmpDirectory     = \"{\$wgUploadDirectory}/tmp\";
1238
1239 \$wgLocalInterwiki   = \$wgSitename;
1240
1241 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1242
1243 \$wgProxyKey = \"$secretKey\";
1244
1245 ## Default skin: you can change the default skin. Use the internal symbolic
1246 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1247 # \$wgDefaultSkin = 'monobook';
1248
1249 ## For attaching licensing metadata to pages, and displaying an
1250 ## appropriate copyright notice / icon. GNU Free Documentation
1251 ## License and Creative Commons licenses are supported so far.
1252 {$rights}\$wgEnableCreativeCommonsRdf = true;
1253 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1254 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1255 \$wgRightsText = \"{$slconf['RightsText']}\";
1256 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1257 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1258
1259 \$wgDiff3 = \"{$slconf['diff3']}\";
1260 ";
1261         // Keep things in Unix line endings internally;
1262         // the system will write out as local text type.
1263         return str_replace( "\r\n", "\n", $localsettings );
1264 }
1265
1266 function dieout( $text ) {
1267         die( $text . "\n\n</body>\n</html>" );
1268 }
1269
1270 function importVar( &$var, $name, $default = "" ) {
1271         if( isset( $var[$name] ) ) {
1272                 $retval = $var[$name];
1273                 if ( get_magic_quotes_gpc() ) {
1274                         $retval = stripslashes( $retval );
1275                 }
1276         } else {
1277                 $retval = $default;
1278         }
1279         return $retval;
1280 }
1281
1282 function importPost( $name, $default = "" ) {
1283         return importVar( $_POST, $name, $default );
1284 }
1285
1286 function importRequest( $name, $default = "" ) {
1287         return importVar( $_REQUEST, $name, $default );
1288 }
1289
1290 $radioCount = 0;
1291
1292 function aField( &$conf, $field, $text, $type = "text", $value = "" ) {
1293         global $radioCount;
1294         if( $type != "" ) {
1295                 $xtype = "type=\"$type\"";
1296         } else {
1297                 $xtype = "";
1298         }
1299
1300         if(!(isset($id)) or ($id == "") ) $id = $field;
1301         $nolabel = ($type == "radio") || ($type == "hidden");
1302
1303         if ($type == 'radio')
1304                 $id .= $radioCount++;
1305
1306         if( $nolabel ) {
1307                 echo "\t\t<label>";
1308         } else {
1309                 echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
1310         }
1311
1312         if( $type == "radio" && $value == $conf->$field ) {
1313                 $checked = "checked='checked'";
1314         } else {
1315                 $checked = "";
1316         }
1317         echo "\t\t<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked value=\"";
1318         if( $type == "radio" ) {
1319                 echo htmlspecialchars( $value );
1320         } else {
1321                 echo htmlspecialchars( $conf->$field );
1322         }
1323         echo "\" />\n";
1324         if( $nolabel ) {
1325                 echo " $text</label>\n";
1326         }
1327
1328         global $errs;
1329         if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
1330 }
1331
1332 function getLanguageList() {
1333         global $wgLanguageNames;
1334         if( !isset( $wgLanguageNames ) ) {
1335                 $wgContLanguageCode = "xxx";
1336                 function wfLocalUrl( $x ) { return $x; }
1337                 function wfLocalUrlE( $x ) { return $x; }
1338                 require_once( "languages/Names.php" );
1339         }
1340
1341         $codes = array();
1342
1343         $d = opendir( "../languages" );
1344         while( false !== ($f = readdir( $d ) ) ) {
1345                 $m = array();
1346                 if( preg_match( '/Language([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
1347                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
1348                         if( isset( $wgLanguageNames[$code] ) ) {
1349                                 $name = $code . ' - ' . $wgLanguageNames[$code];
1350                         } else {
1351                                 $name = $code;
1352                         }
1353                         $codes[$code] = $name;
1354                 }
1355         }
1356         closedir( $d );
1357         ksort( $codes );
1358         return $codes;
1359 }
1360
1361 #Check for location of an executable
1362 # @param string $loc single location to check
1363 # @param array $names filenames to check for.
1364 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
1365 function locate_executable($loc, $names, $versioninfo = false) {
1366         if (!is_array($names))
1367                 $names = array($names);
1368
1369         foreach ($names as $name) {
1370                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
1371                 if (file_exists($command)) {
1372                         if (!$versioninfo)
1373                                 return $command;
1374
1375                         $file = str_replace('$1', $command, $versioninfo[0]);
1376                         if (strstr(`$file`, $versioninfo[1]) !== false)
1377                                 return $command;
1378                 }
1379         }
1380         return false;
1381 }
1382
1383 function get_db_version() {
1384         global $wgDatabase, $conf;
1385         if ($conf->DBtype == 'mysql')
1386                 return mysql_get_server_info( $wgDatabase->mConn );
1387         else if ($conf->DBtype == 'oracle')
1388                 return oci_server_version($wgDatabase->mConn);
1389 }
1390
1391 # Test a memcached server
1392 function testMemcachedServer( $server ) {
1393         $hostport = explode(":", $server);
1394         $errstr = false;
1395         $fp = false;
1396         if ( !function_exists( 'fsockopen' ) ) {
1397                 $errstr = "Can't connect to memcached, fsockopen() not present";
1398         }
1399         if ( !$errstr &&  count( $hostport ) != 2 ) {
1400                 $errstr = 'Please specify host and port';
1401                 var_dump( $hostport );
1402         }
1403         if ( !$errstr ) {
1404                 list( $host, $port ) = $hostport;
1405                 $errno = 0;
1406                 $fsockerr = '';
1407
1408                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
1409                 if ( $fp === false ) {
1410                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
1411                 }
1412         }
1413         if ( !$errstr ) {
1414                 $command = "version\r\n";
1415                 $bytes = fwrite( $fp, $command );
1416                 if ( $bytes != strlen( $command ) ) {
1417                         $errstr = "Cannot write to memcached socket on $host:$port";
1418                 }
1419         }
1420         if ( !$errstr ) {
1421                 $expected = "VERSION ";
1422                 $response = fread( $fp, strlen( $expected ) );
1423                 if ( $response != $expected ) {
1424                         $errstr = "Didn't get correct memcached response from $host:$port";
1425                 }
1426         }
1427         if ( $fp ) {
1428                 fclose( $fp );
1429         }
1430         if ( !$errstr ) {
1431                 echo "<li>Connected to memcached on $host:$port successfully";
1432         }
1433         return $errstr;
1434 }
1435 ?>
1436
1437         <div class="license">
1438         <hr>
1439         <p>This program is free software; you can redistribute it and/or modify
1440          it under the terms of the GNU General Public License as published by
1441          the Free Software Foundation; either version 2 of the License, or
1442          (at your option) any later version.</p>
1443
1444          <p>This program is distributed in the hope that it will be useful,
1445          but WITHOUT ANY WARRANTY; without even the implied warranty of
1446          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1447          GNU General Public License for more details.</p>
1448
1449          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
1450          along with this program; if not, write to the Free Software
1451          Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
1452          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
1453         </div>
1454
1455 </div></div></div>
1456
1457
1458 <div id="column-one">
1459         <div class="portlet" id="p-logo">
1460           <a style="background-image: url(../skins/common/images/mediawiki.png);"
1461             href="http://www.mediawiki.org/"
1462             title="Main Page"></a>
1463         </div>
1464         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
1465         <div class='portlet'><div class='pBody'>
1466                 <ul>
1467                         <li><strong><a href="http://www.mediawiki.org/">MediaWiki home</a></strong></li>
1468                         <li><a href="../README">Readme</a></li>
1469                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
1470                         <li><a href="../docs/">Documentation</a></li>
1471                         <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
1472                         <li><a href="http://meta.wikimedia.org/wiki/MediaWiki_FAQ">FAQ</a></li>
1473                 </ul>
1474                 <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>
1475         </div></div>
1476 </div>
1477
1478 </div>
1479
1480 </body>
1481 </html>