includes/installer/LocalSettingsGenerator.php

   1 <?php
   2 /**
   3  * Generator for LocalSettings.php file.
   4  *
   5  * @file
   6  * @ingroup Deployment
   7  */
   8
   9 /**
  10  * Class for generating LocalSettings.php file.
  11  *
  12  * @ingroup Deployment
  13  * @since 1.17
  14  */
  15 class LocalSettingsGenerator {
  16
  17         private $extensions = array();
  18         private $values = array();
  19         private $groupPermissions = array();
  20         private $dbSettings = '';
  21         private $safeMode = false;
  22
  23         /**
  24          * @var Installer
  25          */
  26         private $installer;
  27
  28         /**
  29          * Constructor.
  30          *
  31          * @param $installer Installer subclass
  32          */
  33         public function __construct( Installer $installer ) {
  34                 $this->installer = $installer;
  35
  36                 $this->extensions = $installer->getVar( '_Extensions' );
  37
  38                 $db = $installer->getDBInstaller( $installer->getVar( 'wgDBtype' ) );
  39
  40                 $confItems = array_merge(
  41                         array(
  42                                 'wgScriptPath', 'wgScriptExtension',
  43                                 'wgPasswordSender', 'wgImageMagickConvertCommand', 'wgShellLocale',
  44                                 'wgLanguageCode', 'wgEnableEmail', 'wgEnableUserEmail', 'wgDiff3',
  45                                 'wgEnotifUserTalk', 'wgEnotifWatchlist', 'wgEmailAuthentication',
  46                                 'wgDBtype', 'wgSecretKey', 'wgRightsUrl', 'wgSitename', 'wgRightsIcon',
  47                                 'wgRightsText', 'wgRightsCode', 'wgMainCacheType', 'wgEnableUploads',
  48                                 'wgMainCacheType', '_MemCachedServers', 'wgDBserver', 'wgDBuser',
  49                                 'wgDBpassword', 'wgUseInstantCommons', 'wgUpgradeKey', 'wgDefaultSkin',
  50                                 'wgMetaNamespace', 'wgResourceLoaderMaxQueryLength'
  51                         ),
  52                         $db->getGlobalNames()
  53                 );
  54
  55                 $unescaped = array( 'wgRightsIcon' );
  56                 $boolItems = array(
  57                         'wgEnableEmail', 'wgEnableUserEmail', 'wgEnotifUserTalk',
  58                         'wgEnotifWatchlist', 'wgEmailAuthentication', 'wgEnableUploads', 'wgUseInstantCommons'
  59                 );
  60
  61                 foreach( $confItems as $c ) {
  62                         $val = $installer->getVar( $c );
  63
  64                         if( in_array( $c, $boolItems ) ) {
  65                                 $val = wfBoolToStr( $val );
  66                         }
  67
  68                         if ( !in_array( $c, $unescaped ) ) {
  69                                 $val = self::escapePhpString( $val );
  70                         }
  71
  72                         $this->values[$c] = $val;
  73                 }
  74
  75                 $this->dbSettings = $db->getLocalSettings();
  76                 $this->safeMode = $installer->getVar( '_SafeMode' );
  77                 $this->values['wgEmergencyContact'] = $this->values['wgPasswordSender'];
  78         }
  79
  80         /**
  81          * For $wgGroupPermissions, set a given ['group']['permission'] value.
  82          * @param $group String Group name
  83          * @param $rightsArr Array An array of permissions, in the form of:
  84          *   array( 'right' => true, 'right2' => false )
  85          */
  86         public function setGroupRights( $group, $rightsArr ) {
  87                 $this->groupPermissions[$group] = $rightsArr;
  88         }
  89
  90         /**
  91          * Returns the escaped version of a string of php code.
  92          *
  93          * @param $string String
  94          *
  95          * @return String
  96          */
  97         public static function escapePhpString( $string ) {
  98                 if ( is_array( $string ) || is_object( $string ) ) {
  99                         return false;
 100                 }
 101
 102                 return strtr(
 103                         $string,
 104                         array(
 105                                 "\n" => "\\n",
 106                                 "\r" => "\\r",
 107                                 "\t" => "\\t",
 108                                 "\\" => "\\\\",
 109                                 "\$" => "\\\$",
 110                                 "\"" => "\\\""
 111                         )
 112                 );
 113         }
 114
 115         /**
 116          * Return the full text of the generated LocalSettings.php file,
 117          * including the extensions
 118          *
 119          * @return String
 120          */
 121         public function getText() {
 122                 $localSettings = $this->getDefaultText();
 123
 124                 if( count( $this->extensions ) ) {
 125                         $localSettings .= "
 126 # Enabled Extensions. Most extensions are enabled by including the base extension file here
 127 # but check specific extension documentation for more details
 128 # The following extensions were automatically enabled:\n";
 129
 130                         foreach( $this->extensions as $extName ) {
 131                                 $encExtName = self::escapePhpString( $extName );
 132                                 $localSettings .= "require( \"extensions/$encExtName/$encExtName.php\" );\n";
 133                         }
 134                 }
 135
 136                 $localSettings .= "\n\n# End of automatically generated settings.
 137 # Add more configuration options below.\n\n";
 138
 139                 return $localSettings;
 140         }
 141
 142         /**
 143          * Write the generated LocalSettings to a file
 144          *
 145          * @param $fileName String Full path to filename to write to
 146          */
 147         public function writeFile( $fileName ) {
 148                 file_put_contents( $fileName, $this->getText() );
 149         }
 150
 151         /**
 152          * @return String
 153          */
 154         private function buildMemcachedServerList() {
 155                 $servers = $this->values['_MemCachedServers'];
 156
 157                 if( !$servers ) {
 158                         return 'array()';
 159                 } else {
 160                         $ret = 'array( ';
 161                         $servers = explode( ',', $servers );
 162
 163                         foreach( $servers as $srv ) {
 164                                 $srv = trim( $srv );
 165                                 $ret .= "'$srv', ";
 166                         }
 167
 168                         return rtrim( $ret, ', ' ) . ' )';
 169                 }
 170         }
 171
 172         /**
 173          * @return String
 174          */
 175         private function getDefaultText() {
 176                 if( !$this->values['wgImageMagickConvertCommand'] ) {
 177                         $this->values['wgImageMagickConvertCommand'] = '/usr/bin/convert';
 178                         $magic = '#';
 179                 } else {
 180                         $magic = '';
 181                 }
 182
 183                 if( !$this->values['wgShellLocale'] ) {
 184                         $this->values['wgShellLocale'] = 'en_US.UTF-8';
 185                         $locale = '#';
 186                 } else {
 187                         $locale = '';
 188                 }
 189
 190                 $rightsUrl = $this->values['wgRightsUrl'] ? '' : '#';
 191                 $hashedUploads = $this->safeMode ? '' : '#';
 192                 $metaNamespace = '';
 193                 if( $this->values['wgMetaNamespace'] !== $this->values['wgSitename'] ) {
 194                         $metaNamespace = "\$wgMetaNamespace = \"{$this->values['wgMetaNamespace']}\";\n";
 195                 }
 196
 197                 $groupRights = '';
 198                 if( $this->groupPermissions ) {
 199                         $groupRights .= "# The following permissions were set based on your choice in the installer\n";
 200                         foreach( $this->groupPermissions as $group => $rightArr ) {
 201                                 $group = self::escapePhpString( $group );
 202                                 foreach( $rightArr as $right => $perm ) {
 203                                         $right = self::escapePhpString( $right );
 204                                         $groupRights .= "\$wgGroupPermissions['$group']['$right'] = " .
 205                                                 wfBoolToStr( $perm ) . ";\n";
 206                                 }
 207                         }
 208                 }
 209
 210                 switch( $this->values['wgMainCacheType'] ) {
 211                         case 'anything':
 212                         case 'db':
 213                         case 'memcached':
 214                         case 'accel':
 215                                 $cacheType = 'CACHE_' . strtoupper( $this->values['wgMainCacheType']);
 216                                 break;
 217                         case 'none':
 218                         default:
 219                                 $cacheType = 'CACHE_NONE';
 220                 }
 221
 222                 $mcservers = $this->buildMemcachedServerList();
 223                 return "<?php
 224 # This file was automatically generated by the MediaWiki {$GLOBALS['wgVersion']}
 225 # installer. If you make manual changes, please keep track in case you
 226 # need to recreate them later.
 227 #
 228 # See includes/DefaultSettings.php for all configurable settings
 229 # and their default values, but don't forget to make changes in _this_
 230 # file, not there.
 231 #
 232 # Further documentation for configuration settings may be found at:
 233 # http://www.mediawiki.org/wiki/Manual:Configuration_settings
 234
 235 # Protect against web entry
 236 if ( !defined( 'MEDIAWIKI' ) ) {
 237         exit;
 238 }
 239
 240 ## Uncomment this to disable output compression
 241 # \$wgDisableOutputCompression = true;
 242
 243 \$wgSitename      = \"{$this->values['wgSitename']}\";
 244 {$metaNamespace}
 245 ## The URL base path to the directory containing the wiki;
 246 ## defaults for all runtime URL paths are based off of this.
 247 ## For more information on customizing the URLs please see:
 248 ## http://www.mediawiki.org/wiki/Manual:Short_URL
 249 \$wgScriptPath       = \"{$this->values['wgScriptPath']}\";
 250 \$wgScriptExtension  = \"{$this->values['wgScriptExtension']}\";
 251
 252 ## The relative URL path to the skins directory
 253 \$wgStylePath        = \"\$wgScriptPath/skins\";
 254
 255 ## The relative URL path to the logo.  Make sure you change this from the default,
 256 ## or else you'll overwrite your logo when you upgrade!
 257 \$wgLogo             = \"\$wgStylePath/common/images/wiki.png\";
 258
 259 ## UPO means: this is also a user preference option
 260
 261 \$wgEnableEmail      = {$this->values['wgEnableEmail']};
 262 \$wgEnableUserEmail  = {$this->values['wgEnableUserEmail']}; # UPO
 263
 264 \$wgEmergencyContact = \"{$this->values['wgEmergencyContact']}\";
 265 \$wgPasswordSender   = \"{$this->values['wgPasswordSender']}\";
 266
 267 \$wgEnotifUserTalk      = {$this->values['wgEnotifUserTalk']}; # UPO
 268 \$wgEnotifWatchlist     = {$this->values['wgEnotifWatchlist']}; # UPO
 269 \$wgEmailAuthentication = {$this->values['wgEmailAuthentication']};
 270
 271 ## Database settings
 272 \$wgDBtype           = \"{$this->values['wgDBtype']}\";
 273 \$wgDBserver         = \"{$this->values['wgDBserver']}\";
 274 \$wgDBname           = \"{$this->values['wgDBname']}\";
 275 \$wgDBuser           = \"{$this->values['wgDBuser']}\";
 276 \$wgDBpassword       = \"{$this->values['wgDBpassword']}\";
 277
 278 {$this->dbSettings}
 279
 280 ## Shared memory settings
 281 \$wgMainCacheType    = $cacheType;
 282 \$wgMemCachedServers = $mcservers;
 283
 284 ## To enable image uploads, make sure the 'images' directory
 285 ## is writable, then set this to true:
 286 \$wgEnableUploads  = {$this->values['wgEnableUploads']};
 287 {$magic}\$wgUseImageMagick = true;
 288 {$magic}\$wgImageMagickConvertCommand = \"{$this->values['wgImageMagickConvertCommand']}\";
 289
 290 # InstantCommons allows wiki to use images from http://commons.wikimedia.org
 291 \$wgUseInstantCommons  = {$this->values['wgUseInstantCommons']};
 292
 293 ## If you use ImageMagick (or any other shell command) on a
 294 ## Linux server, this will need to be set to the name of an
 295 ## available UTF-8 locale
 296 {$locale}\$wgShellLocale = \"{$this->values['wgShellLocale']}\";
 297
 298 ## If you want to use image uploads under safe mode,
 299 ## create the directories images/archive, images/thumb and
 300 ## images/temp, and make them all writable. Then uncomment
 301 ## this, if it's not already uncommented:
 302 {$hashedUploads}\$wgHashedUploadDirectory = false;
 303
 304 ## Set \$wgCacheDirectory to a writable directory on the web server
 305 ## to make your wiki go slightly faster. The directory should not
 306 ## be publically accessible from the web.
 307 #\$wgCacheDirectory = \"\$IP/cache\";
 308
 309 # Site language code, should be one of ./languages/Language(.*).php
 310 \$wgLanguageCode = \"{$this->values['wgLanguageCode']}\";
 311
 312 \$wgSecretKey = \"{$this->values['wgSecretKey']}\";
 313
 314 # Site upgrade key. Must be set to a string (default provided) to turn on the
 315 # web installer while LocalSettings.php is in place
 316 \$wgUpgradeKey = \"{$this->values['wgUpgradeKey']}\";
 317
 318 ## Default skin: you can change the default skin. Use the internal symbolic
 319 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook', 'vector':
 320 \$wgDefaultSkin = \"{$this->values['wgDefaultSkin']}\";
 321
 322 ## For attaching licensing metadata to pages, and displaying an
 323 ## appropriate copyright notice / icon. GNU Free Documentation
 324 ## License and Creative Commons licenses are supported so far.
 325 {$rightsUrl}\$wgEnableCreativeCommonsRdf = true;
 326 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
 327 \$wgRightsUrl  = \"{$this->values['wgRightsUrl']}\";
 328 \$wgRightsText = \"{$this->values['wgRightsText']}\";
 329 \$wgRightsIcon = \"{$this->values['wgRightsIcon']}\";
 330 # \$wgRightsCode = \"{$this->values['wgRightsCode']}\"; # Not yet used
 331
 332 # Path to the GNU diff3 utility. Used for conflict resolution.
 333 \$wgDiff3 = \"{$this->values['wgDiff3']}\";
 334
 335 # Query string length limit for ResourceLoader. You should only set this if
 336 # your web server has a query string length limit (then set it to that limit),
 337 # or if you have suhosin.get.max_value_length set in php.ini (then set it to
 338 # that value)
 339 \$wgResourceLoaderMaxQueryLength = {$this->values['wgResourceLoaderMaxQueryLength']};
 340
 341 {$groupRights}";
 342         }
 343
 344 }