*/
abstract class Installer {
+ // This is the absolute minimum PHP version we can support
+ const MINIMUM_PHP_VERSION = '5.2.3';
+
/**
- * TODO: make protected?
- *
* @var array
*/
- public $settings;
+ protected $settings;
/**
* Cached DB installer instances, access using getDBInstaller().
'postgres',
'oracle',
'sqlite',
+ 'ibm_db2',
);
/**
'envCheckPCRE',
'envCheckMemory',
'envCheckCache',
+ 'envCheckModSecurity',
'envCheckDiff3',
'envCheckGraphics',
+ 'envCheckServer',
'envCheckPath',
'envCheckExtension',
'envCheckShellLocale',
'envCheckUploadsDirectory',
- 'envCheckLibicu'
+ 'envCheckLibicu',
+ 'envCheckSuhosinMaxValueLength',
+ );
+
+ /**
+ * MediaWiki configuration globals that will eventually be passed through
+ * to LocalSettings.php. The names only are given here, the defaults
+ * typically come from DefaultSettings.php.
+ *
+ * @var array
+ */
+ protected $defaultVarNames = array(
+ 'wgSitename',
+ 'wgPasswordSender',
+ 'wgLanguageCode',
+ 'wgRightsIcon',
+ 'wgRightsText',
+ 'wgRightsUrl',
+ 'wgMainCacheType',
+ 'wgEnableEmail',
+ 'wgEnableUserEmail',
+ 'wgEnotifUserTalk',
+ 'wgEnotifWatchlist',
+ 'wgEmailAuthentication',
+ 'wgDBtype',
+ 'wgDiff3',
+ 'wgImageMagickConvertCommand',
+ 'IP',
+ 'wgServer',
+ 'wgScriptPath',
+ 'wgScriptExtension',
+ 'wgMetaNamespace',
+ 'wgDeletedDirectory',
+ 'wgEnableUploads',
+ 'wgLogo',
+ 'wgShellLocale',
+ 'wgSecretKey',
+ 'wgUseInstantCommons',
+ 'wgUpgradeKey',
+ 'wgDefaultSkin',
+ 'wgResourceLoaderMaxQueryLength',
+ );
+
+ /**
+ * Variables that are stored alongside globals, and are used for any
+ * configuration of the installation process aside from the MediaWiki
+ * configuration. Map of names to defaults.
+ *
+ * @var array
+ */
+ protected $internalDefaults = array(
+ '_UserLang' => 'en',
+ '_Environment' => false,
+ '_CompiledDBs' => array(),
+ '_SafeMode' => false,
+ '_RaiseMemory' => false,
+ '_UpgradeDone' => false,
+ '_InstallDone' => false,
+ '_Caches' => array(),
+ '_InstallPassword' => '',
+ '_SameAccount' => true,
+ '_CreateDBAccount' => false,
+ '_NamespaceType' => 'site-name',
+ '_AdminName' => '', // will be set later, when the user selects language
+ '_AdminPassword' => '',
+ '_AdminPassword2' => '',
+ '_AdminEmail' => '',
+ '_Subscribe' => false,
+ '_SkipOptional' => 'continue',
+ '_RightsProfile' => 'wiki',
+ '_LicenseCode' => 'none',
+ '_CCDone' => false,
+ '_Extensions' => array(),
+ '_MemCachedServers' => '',
+ '_UpgradeKeySupplied' => false,
+ '_ExistingDBSettings' => false,
+ );
+
+ /**
+ * The actual list of installation steps. This will be initialized by getInstallSteps()
+ *
+ * @var array
+ */
+ private $installSteps = array();
+
+ /**
+ * Extra steps for installation, for things like DatabaseInstallers to modify
+ *
+ * @var array
+ */
+ protected $extraInstallSteps = array();
+
+ /**
+ * Known object cache types and the functions used to test for their existence.
+ *
+ * @var array
+ */
+ protected $objectCaches = array(
+ 'xcache' => 'xcache_get',
+ 'apc' => 'apc_fetch',
+ 'eaccel' => 'eaccelerator_get',
+ 'wincache' => 'wincache_ucache_get'
+ );
+
+ /**
+ * User rights profiles.
+ *
+ * @var array
+ */
+ public $rightsProfiles = array(
+ 'wiki' => array(),
+ 'no-anon' => array(
+ '*' => array( 'edit' => false )
+ ),
+ 'fishbowl' => array(
+ '*' => array(
+ 'createaccount' => false,
+ 'edit' => false,
+ ),
+ ),
+ 'private' => array(
+ '*' => array(
+ 'createaccount' => false,
+ 'edit' => false,
+ 'read' => false,
+ ),
+ ),
+ );
+
+ /**
+ * License types.
+ *
+ * @var array
+ */
+ public $licenses = array(
+ 'cc-by' => array(
+ 'url' => 'http://creativecommons.org/licenses/by/3.0/',
+ 'icon' => '{$wgStylePath}/common/images/cc-by.png',
+ ),
+ 'cc-by-sa' => array(
+ 'url' => 'http://creativecommons.org/licenses/by-sa/3.0/',
+ 'icon' => '{$wgStylePath}/common/images/cc-by-sa.png',
+ ),
+ 'cc-by-nc-sa' => array(
+ 'url' => 'http://creativecommons.org/licenses/by-nc-sa/3.0/',
+ 'icon' => '{$wgStylePath}/common/images/cc-by-nc-sa.png',
+ ),
+ 'cc-0' => array(
+ 'url' => 'https://creativecommons.org/publicdomain/zero/1.0/',
+ 'icon' => '{$wgStylePath}/common/images/cc-0.png',
+ ),
+ 'pd' => array(
+ 'url' => '',
+ 'icon' => '{$wgStylePath}/common/images/public-domain.png',
+ ),
+ 'gfdl' => array(
+ 'url' => 'http://www.gnu.org/copyleft/fdl.html',
+ 'icon' => '{$wgStylePath}/common/images/gnu-fdl.png',
+ ),
+ 'none' => array(
+ 'url' => '',
+ 'icon' => '',
+ 'text' => ''
+ ),
+ 'cc-choose' => array(
+ // Details will be filled in by the selector.
+ 'url' => '',
+ 'icon' => '',
+ 'text' => '',
+ ),
+ );
+
+ /**
+ * URL to mediawiki-announce subscription
+ */
+ protected $mediaWikiAnnounceUrl = 'https://lists.wikimedia.org/mailman/subscribe/mediawiki-announce';
+
+ /**
+ * Supported language codes for Mailman
+ */
+ protected $mediaWikiAnnounceLanguages = array(
+ 'ca', 'cs', 'da', 'de', 'en', 'es', 'et', 'eu', 'fi', 'fr', 'hr', 'hu',
+ 'it', 'ja', 'ko', 'lt', 'nl', 'no', 'pl', 'pt', 'pt-br', 'ro', 'ru',
+ 'sl', 'sr', 'sv', 'tr', 'uk'
);
/**
*/
public abstract function showMessage( $msg /*, ... */ );
+ /**
+ * Same as showMessage(), but for displaying errors
+ */
+ public abstract function showError( $msg /*, ... */ );
+
+ /**
+ * Show a message to the installing user by using a Status object
+ * @param $status Status
+ */
+ public abstract function showStatusMessage( Status $status );
+
/**
* Constructor, always call this from child classes.
*/
public function __construct() {
+ global $wgExtensionMessagesFiles, $wgUser;
+
// Disable the i18n cache and LoadBalancer
Language::getLocalisationCache()->disableBackend();
LBFactory::disableBackend();
+
+ // Load the installer's i18n file.
+ $wgExtensionMessagesFiles['MediawikiInstaller'] =
+ dirname( __FILE__ ) . '/Installer.i18n.php';
+
+ // Having a user with id = 0 safeguards us from DB access via User::loadOptions().
+ $wgUser = User::newFromId( 0 );
+
+ $this->settings = $this->internalDefaults;
+
+ foreach ( $this->defaultVarNames as $var ) {
+ $this->settings[$var] = $GLOBALS[$var];
+ }
+
+ $compiledDBs = array();
+ foreach ( self::getDBTypes() as $type ) {
+ $installer = $this->getDBInstaller( $type );
+
+ if ( !$installer->isCompiled() ) {
+ continue;
+ }
+ $compiledDBs[] = $type;
+
+ $defaults = $installer->getGlobalDefaults();
+
+ foreach ( $installer->getGlobalNames() as $var ) {
+ if ( isset( $defaults[$var] ) ) {
+ $this->settings[$var] = $defaults[$var];
+ } else {
+ $this->settings[$var] = $GLOBALS[$var];
+ }
+ }
+ }
+ $this->setVar( '_CompiledDBs', $compiledDBs );
+
+ $this->parserTitle = Title::newFromText( 'Installer' );
+ $this->parserOptions = new ParserOptions; // language will be wrong :(
+ $this->parserOptions->setEditSection( false );
}
/**
* Get a list of known DB types.
+ *
+ * @return array
*/
public static function getDBTypes() {
return self::$dbTypes;
* Under the web subclass, it can already be assumed that PHP 5+ is in use
* and that sessions are working.
*
- * @return boolean
+ * @return Status
*/
public function doEnvironmentChecks() {
- $good = true;
+ $phpVersion = phpversion();
+ if( version_compare( $phpVersion, self::MINIMUM_PHP_VERSION, '>=' ) ) {
+ $this->showMessage( 'config-env-php', $phpVersion );
+ $good = true;
+ } else {
+ $this->showMessage( 'config-env-php-toolow', $phpVersion, self::MINIMUM_PHP_VERSION );
+ $good = false;
+ }
- foreach ( $this->envChecks as $check ) {
- $status = $this->$check();
- if ( $status === false ) {
- $good = false;
+ if( $good ) {
+ foreach ( $this->envChecks as $check ) {
+ $status = $this->$check();
+ if ( $status === false ) {
+ $good = false;
+ }
}
}
$this->setVar( '_Environment', $good );
- if ( $good ) {
- $this->showMessage( 'config-env-good' );
- } else {
- $this->showMessage( 'config-env-bad' );
- }
-
- return $good;
+ return $good ? Status::newGood() : Status::newFatal( 'config-env-bad' );
}
/**
}
/**
- * Determine if LocalSettings.php exists. If it does, return its variables,
+ * Determine if LocalSettings.php exists. If it does, return its variables,
* merged with those from AdminSettings.php, as an array.
*
* @return Array
*/
- public function getExistingLocalSettings() {
+ public static function getExistingLocalSettings() {
global $IP;
wfSuppressWarnings();
$_lsExists = file_exists( "$IP/LocalSettings.php" );
wfRestoreWarnings();
- if( $_lsExists ) {
- require( "$IP/includes/DefaultSettings.php" );
- require( "$IP/LocalSettings.php" );
- if ( file_exists( "$IP/AdminSettings.php" ) ) {
- require( "$IP/AdminSettings.php" );
- }
- $vars = get_defined_vars();
- unset( $vars['_lsExists'] );
- return $vars;
- } else {
+ if( !$_lsExists ) {
return false;
}
+ unset($_lsExists);
+
+ require( "$IP/includes/DefaultSettings.php" );
+ require( "$IP/LocalSettings.php" );
+ if ( file_exists( "$IP/AdminSettings.php" ) ) {
+ require( "$IP/AdminSettings.php" );
+ }
+ return get_defined_vars();
}
/**
* On POSIX systems return the primary group of the webserver we're running under.
* On other systems just returns null.
*
- * This is used to advice the user that he should chgrp his config/data/images directory as the
+ * This is used to advice the user that he should chgrp his mw-config/data/images directory as the
* webserver user before he can install.
*
* Public because SqliteInstaller needs it, and doesn't subclass Installer.
return $html;
}
+ /**
+ * @return ParserOptions
+ */
public function getParserOptions() {
return $this->parserOptions;
}
public function restoreLinkPopups() {
global $wgExternalLinkTarget;
$this->parserOptions->setExternalLinkTarget( $wgExternalLinkTarget );
- }
+ }
/**
- * TODO: document
+ * Install step which adds a row to the site_stats table with appropriate
+ * initial values.
*
* @param $installer DatabaseInstaller
*
* @return Status
*/
- public function installTables( DatabaseInstaller &$installer ) {
- $status = $installer->createTables();
-
- if( $status->isOK() ) {
- LBFactory::enableBackend();
+ public function populateSiteStats( DatabaseInstaller $installer ) {
+ $status = $installer->getConnection();
+ if ( !$status->isOK() ) {
+ return $status;
}
-
- return $status;
+ $status->value->insert( 'site_stats', array(
+ 'ss_row_id' => 1,
+ 'ss_total_views' => 0,
+ 'ss_total_edits' => 0,
+ 'ss_good_articles' => 0,
+ 'ss_total_pages' => 0,
+ 'ss_users' => 0,
+ 'ss_admins' => 0,
+ 'ss_images' => 0 ),
+ __METHOD__, 'IGNORE' );
+ return Status::newGood();
}
/**
protected function envCheckDB() {
global $wgLang;
- $compiledDBs = array();
- $goodNames = array();
$allNames = array();
foreach ( self::getDBTypes() as $name ) {
- $db = $this->getDBInstaller( $name );
- $readableName = wfMsg( 'config-type-' . $name );
-
- if ( $db->isCompiled() ) {
- $compiledDBs[] = $name;
- $goodNames[] = $readableName;
- }
-
- $allNames[] = $readableName;
+ $allNames[] = wfMsg( "config-type-$name" );
}
- $this->setVar( '_CompiledDBs', $compiledDBs );
-
- if ( !$compiledDBs ) {
- $this->showMessage( 'config-no-db' );
- // FIXME: this only works for the web installer!
- $this->showHelpBox( 'config-no-db-help', $wgLang->commaList( $allNames ) );
+ if ( !$this->getVar( '_CompiledDBs' ) ) {
+ $this->showError( 'config-no-db', $wgLang->commaList( $allNames ) );
+ // @todo FIXME: This only works for the web installer!
return false;
}
// Check for FTS3 full-text search module
$sqlite = $this->getDBInstaller( 'sqlite' );
if ( $sqlite->isCompiled() ) {
- $db = new DatabaseSqliteStandalone( ':memory:' );
- if( $db->getFulltextSearchModule() != 'FTS3' ) {
+ if( DatabaseSqlite::getFulltextSearchModule() != 'FTS3' ) {
$this->showMessage( 'config-no-fts3' );
}
}
* Environment check for register_globals.
*/
protected function envCheckRegisterGlobals() {
- if( wfIniGetBool( "magic_quotes_runtime" ) ) {
+ if( wfIniGetBool( 'register_globals' ) ) {
$this->showMessage( 'config-register-globals' );
}
}
protected function envCheckBrokenXML() {
$test = new PhpXmlBugTester();
if ( !$test->ok ) {
- $this->showMessage( 'config-brokenlibxml' );
+ $this->showError( 'config-brokenlibxml' );
return false;
}
}
$test = new PhpRefCallBugTester;
$test->execute();
if ( !$test->ok ) {
- $this->showMessage( 'config-using531' );
+ $this->showError( 'config-using531', phpversion() );
return false;
}
}
*/
protected function envCheckMagicQuotes() {
if( wfIniGetBool( "magic_quotes_runtime" ) ) {
- $this->showMessage( 'config-magic-quotes-runtime' );
+ $this->showError( 'config-magic-quotes-runtime' );
return false;
}
}
*/
protected function envCheckMagicSybase() {
if ( wfIniGetBool( 'magic_quotes_sybase' ) ) {
- $this->showMessage( 'config-magic-quotes-sybase' );
+ $this->showError( 'config-magic-quotes-sybase' );
return false;
}
}
*/
protected function envCheckMbstring() {
if ( wfIniGetBool( 'mbstring.func_overload' ) ) {
- $this->showMessage( 'config-mbstring' );
+ $this->showError( 'config-mbstring' );
return false;
}
}
*/
protected function envCheckZE1() {
if ( wfIniGetBool( 'zend.ze1_compatibility_mode' ) ) {
- $this->showMessage( 'config-ze1' );
+ $this->showError( 'config-ze1' );
return false;
}
}
*/
protected function envCheckXML() {
if ( !function_exists( "utf8_encode" ) ) {
- $this->showMessage( 'config-xml-bad' );
+ $this->showError( 'config-xml-bad' );
return false;
}
}
*/
protected function envCheckPCRE() {
if ( !function_exists( 'preg_match' ) ) {
- $this->showMessage( 'config-pcre' );
+ $this->showError( 'config-pcre' );
return false;
}
wfSuppressWarnings();
- $regexd = preg_replace( '/[\x{0400}-\x{04FF}]/u', '', '-АБВГД-' );
+ $regexd = preg_replace( '/[\x{0430}-\x{04FF}]/iu', '', '-АБВГД-' );
wfRestoreWarnings();
if ( $regexd != '--' ) {
- $this->showMessage( 'config-pcre-no-utf8' );
+ $this->showError( 'config-pcre-no-utf8' );
return false;
}
}
return true;
}
- $n = intval( $limit );
-
- if( preg_match( '/^([0-9]+)[Mm]$/', trim( $limit ), $m ) ) {
- $n = intval( $m[1] * ( 1024 * 1024 ) );
- }
+ $n = wfShorthandToInteger( $limit );
if( $n < $this->minMemorySize * 1024 * 1024 ) {
$newLimit = "{$this->minMemorySize}M";
$caches = array();
foreach ( $this->objectCaches as $name => $function ) {
if ( function_exists( $function ) ) {
+ if ( $name == 'xcache' && !wfIniGetBool( 'xcache.var_size' ) ) {
+ continue;
+ }
$caches[$name] = true;
}
}
$this->setVar( '_Caches', $caches );
}
+ /**
+ * Scare user to death if they have mod_security
+ */
+ protected function envCheckModSecurity() {
+ if ( self::apacheModulePresent( 'mod_security' ) ) {
+ $this->showMessage( 'config-mod-security' );
+ }
+ }
+
/**
* Search for GNU diff3.
*/
$names = array( "gdiff3", "diff3", "diff3.exe" );
$versionInfo = array( '$1 --version 2>&1', 'GNU diffutils' );
- $diff3 = $this->locateExecutableInDefaultPaths( $names, $versionInfo );
+ $diff3 = self::locateExecutableInDefaultPaths( $names, $versionInfo );
if ( $diff3 ) {
$this->setVar( 'wgDiff3', $diff3 );
*/
protected function envCheckGraphics() {
$names = array( wfIsWindows() ? 'convert.exe' : 'convert' );
- $convert = $this->locateExecutableInDefaultPaths( $names, array( '$1 -version', 'ImageMagick' ) );
+ $convert = self::locateExecutableInDefaultPaths( $names, array( '$1 -version', 'ImageMagick' ) );
+ $this->setVar( 'wgImageMagickConvertCommand', '' );
if ( $convert ) {
$this->setVar( 'wgImageMagickConvertCommand', $convert );
$this->showMessage( 'config-imagemagick', $convert );
$this->showMessage( 'config-gd' );
return true;
} else {
- $this->showMessage( 'no-scaling' );
+ $this->showMessage( 'config-no-scaling' );
}
}
+ /**
+ * Environment check for the server hostname.
+ */
+ protected function envCheckServer() {
+ if ( $this->getVar( 'wgServer' ) ) {
+ // wgServer was pre-defined, perhaps by the cli installer
+ $server = $this->getVar( 'wgServer' );
+ } else {
+ $server = WebRequest::detectServer();
+ }
+ $this->showMessage( 'config-using-server', $server );
+ $this->setVar( 'wgServer', $server );
+ }
+
/**
* Environment check for setting $IP and $wgScriptPath.
*/
protected function envCheckPath() {
global $IP;
$IP = dirname( dirname( dirname( __FILE__ ) ) );
-
$this->setVar( 'IP', $IP );
- // PHP_SELF isn't available sometimes, such as when PHP is CGI but
- // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
- // to get the path to the current script... hopefully it's reliable. SIGH
- if ( !empty( $_SERVER['PHP_SELF'] ) ) {
- $path = $_SERVER['PHP_SELF'];
- } elseif ( !empty( $_SERVER['SCRIPT_NAME'] ) ) {
- $path = $_SERVER['SCRIPT_NAME'];
- } elseif ( $this->getVar( 'wgScriptPath' ) ) {
- // Some kind soul has set it for us already (e.g. debconf)
- return true;
- } else {
- $this->showMessage( 'config-no-uri' );
- return false;
- }
-
- $uri = preg_replace( '{^(.*)/config.*$}', '$1', $path );
- $this->setVar( 'wgScriptPath', $uri );
+ $this->showMessage( 'config-using-uri', $this->getVar( 'wgServer' ), $this->getVar( 'wgScriptPath' ) );
+ return true;
}
/**
* Environment check for setting the preferred PHP file extension.
*/
protected function envCheckExtension() {
- // FIXME: detect this properly
+ // @todo FIXME: Detect this properly
if ( defined( 'MW_INSTALL_PHP5_EXT' ) ) {
$ext = 'php5';
} else {
* TODO: document
*/
protected function envCheckUploadsDirectory() {
- global $IP, $wgServer;
+ global $IP;
$dir = $IP . '/images/';
- $url = $wgServer . $this->getVar( 'wgScriptPath' ) . '/images/';
+ $url = $this->getVar( 'wgServer' ) . $this->getVar( 'wgScriptPath' ) . '/images/';
$safe = !$this->dirIsExecutable( $dir, $url );
if ( $safe ) {
}
}
+ /**
+ * Checks if suhosin.get.max_value_length is set, and if so, sets
+ * $wgResourceLoaderMaxQueryLength to that value in the generated
+ * LocalSettings file
+ */
+ protected function envCheckSuhosinMaxValueLength() {
+ $maxValueLength = ini_get( 'suhosin.get.max_value_length' );
+ if ( $maxValueLength > 0 ) {
+ if( $maxValueLength < 1024 ) {
+ # Only warn if the value is below the sane 1024
+ $this->showMessage( 'config-suhosin-max-value-length', $maxValueLength );
+ }
+ } else {
+ $maxValueLength = -1;
+ }
+ $this->setVar( 'wgResourceLoaderMaxQueryLength', $maxValueLength );
+ }
+
/**
* Convert a hex string representing a Unicode code point to that code point.
* @param $c String
$c = hexdec($c);
if ($c <= 0x7F) {
return chr($c);
- } else if ($c <= 0x7FF) {
+ } elseif ($c <= 0x7FF) {
return chr(0xC0 | $c >> 6) . chr(0x80 | $c & 0x3F);
- } else if ($c <= 0xFFFF) {
+ } elseif ($c <= 0xFFFF) {
return chr(0xE0 | $c >> 12) . chr(0x80 | $c >> 6 & 0x3F)
. chr(0x80 | $c & 0x3F);
- } else if ($c <= 0x10FFFF) {
+ } elseif ($c <= 0x10FFFF) {
return chr(0xF0 | $c >> 18) . chr(0x80 | $c >> 12 & 0x3F)
. chr(0x80 | $c >> 6 & 0x3F)
. chr(0x80 | $c & 0x3F);
*/
if( $utf8 ) {
$useNormalizer = 'utf8';
- $utf8 = utf8_normalize( $not_normal_c, UNORM_NFC );
+ $utf8 = utf8_normalize( $not_normal_c, UtfNormal::UNORM_NFC );
if ( $utf8 !== $normal_c ) $needsUpdate = true;
}
if( $intl ) {
/**
* Same as locateExecutable(), but checks in getPossibleBinPaths() by default
* @see locateExecutable()
+ * @param $names
+ * @param $versionInfo bool
+ * @return bool|string
*/
public static function locateExecutableInDefaultPaths( $names, $versionInfo = false ) {
foreach( self::getPossibleBinPaths() as $path ) {
break;
}
- $text = Http::get( $url . $file );
+ try {
+ $text = Http::get( $url . $file, array( 'timeout' => 3 ) );
+ }
+ catch( MWException $e ) {
+ // Http::get throws with allow_url_fopen = false and no curl extension.
+ $text = null;
+ }
unlink( $dir . $file );
if ( $text == 'exec' ) {
return false;
}
+ /**
+ * Checks for presence of an Apache module. Works only if PHP is running as an Apache module, too.
+ *
+ * @param $moduleName String: Name of module to check.
+ * @return bool
+ */
+ public static function apacheModulePresent( $moduleName ) {
+ if ( function_exists( 'apache_get_modules' ) && in_array( $moduleName, apache_get_modules() ) ) {
+ return true;
+ }
+ // try it the hard way
+ ob_start();
+ phpinfo( INFO_MODULES );
+ $info = ob_get_clean();
+ return strpos( $info, $moduleName ) !== false;
+ }
+
+ /**
+ * ParserOptions are constructed before we determined the language, so fix it
+ *
+ * @param $lang Language
+ */
+ public function setParserLanguage( $lang ) {
+ $this->parserOptions->setTargetLanguage( $lang );
+ $this->parserOptions->setUserLang( $lang );
+ }
+
+ /**
+ * Overridden by WebInstaller to provide lastPage parameters.
+ * @param $page stirng
+ * @return string
+ */
+ protected function getDocUrl( $page ) {
+ return "{$_SERVER['PHP_SELF']}?page=" . urlencode( $page );
+ }
+
+ /**
+ * Finds extensions that follow the format /extensions/Name/Name.php,
+ * and returns an array containing the value for 'Name' for each found extension.
+ *
+ * @return array
+ */
+ public function findExtensions() {
+ if( $this->getVar( 'IP' ) === null ) {
+ return false;
+ }
+
+ $exts = array();
+ $extDir = $this->getVar( 'IP' ) . '/extensions';
+ $dh = opendir( $extDir );
+
+ while ( ( $file = readdir( $dh ) ) !== false ) {
+ if( !is_dir( "$extDir/$file" ) ) {
+ continue;
+ }
+ if( file_exists( "$extDir/$file/$file.php" ) ) {
+ $exts[] = $file;
+ }
+ }
+
+ return $exts;
+ }
+
+ /**
+ * Installs the auto-detected extensions.
+ *
+ * @return Status
+ */
+ protected function includeExtensions() {
+ global $IP;
+ $exts = $this->getVar( '_Extensions' );
+ $IP = $this->getVar( 'IP' );
+
+ /**
+ * We need to include DefaultSettings before including extensions to avoid
+ * warnings about unset variables. However, the only thing we really
+ * want here is $wgHooks['LoadExtensionSchemaUpdates']. This won't work
+ * if the extension has hidden hook registration in $wgExtensionFunctions,
+ * but we're not opening that can of worms
+ * @see https://bugzilla.wikimedia.org/show_bug.cgi?id=26857
+ */
+ global $wgAutoloadClasses;
+ $wgAutoloadClasses = array();
+
+ require( "$IP/includes/DefaultSettings.php" );
+
+ foreach( $exts as $e ) {
+ require_once( "$IP/extensions/$e/$e.php" );
+ }
+
+ $hooksWeWant = isset( $wgHooks['LoadExtensionSchemaUpdates'] ) ?
+ $wgHooks['LoadExtensionSchemaUpdates'] : array();
+
+ // Unset everyone else's hooks. Lord knows what someone might be doing
+ // in ParserFirstCallInit (see bug 27171)
+ $GLOBALS['wgHooks'] = array( 'LoadExtensionSchemaUpdates' => $hooksWeWant );
+
+ return Status::newGood();
+ }
+
+ /**
+ * Get an array of install steps. Should always be in the format of
+ * array(
+ * 'name' => 'someuniquename',
+ * 'callback' => array( $obj, 'method' ),
+ * )
+ * There must be a config-install-$name message defined per step, which will
+ * be shown on install.
+ *
+ * @param $installer DatabaseInstaller so we can make callbacks
+ * @return array
+ */
+ protected function getInstallSteps( DatabaseInstaller $installer ) {
+ $coreInstallSteps = array(
+ array( 'name' => 'database', 'callback' => array( $installer, 'setupDatabase' ) ),
+ array( 'name' => 'tables', 'callback' => array( $installer, 'createTables' ) ),
+ array( 'name' => 'interwiki', 'callback' => array( $installer, 'populateInterwikiTable' ) ),
+ array( 'name' => 'stats', 'callback' => array( $this, 'populateSiteStats' ) ),
+ array( 'name' => 'keys', 'callback' => array( $this, 'generateKeys' ) ),
+ array( 'name' => 'sysop', 'callback' => array( $this, 'createSysop' ) ),
+ array( 'name' => 'mainpage', 'callback' => array( $this, 'createMainpage' ) ),
+ );
+
+ // Build the array of install steps starting from the core install list,
+ // then adding any callbacks that wanted to attach after a given step
+ foreach( $coreInstallSteps as $step ) {
+ $this->installSteps[] = $step;
+ if( isset( $this->extraInstallSteps[ $step['name'] ] ) ) {
+ $this->installSteps = array_merge(
+ $this->installSteps,
+ $this->extraInstallSteps[ $step['name'] ]
+ );
+ }
+ }
+
+ // Prepend any steps that want to be at the beginning
+ if( isset( $this->extraInstallSteps['BEGINNING'] ) ) {
+ $this->installSteps = array_merge(
+ $this->extraInstallSteps['BEGINNING'],
+ $this->installSteps
+ );
+ }
+
+ // Extensions should always go first, chance to tie into hooks and such
+ if( count( $this->getVar( '_Extensions' ) ) ) {
+ array_unshift( $this->installSteps,
+ array( 'name' => 'extensions', 'callback' => array( $this, 'includeExtensions' ) )
+ );
+ $this->installSteps[] = array(
+ 'name' => 'extension-tables',
+ 'callback' => array( $installer, 'createExtensionTables' )
+ );
+ }
+ return $this->installSteps;
+ }
+
+ /**
+ * Actually perform the installation.
+ *
+ * @param $startCB Array A callback array for the beginning of each step
+ * @param $endCB Array A callback array for the end of each step
+ *
+ * @return Array of Status objects
+ */
+ public function performInstallation( $startCB, $endCB ) {
+ $installResults = array();
+ $installer = $this->getDBInstaller();
+ $installer->preInstall();
+ $steps = $this->getInstallSteps( $installer );
+ foreach( $steps as $stepObj ) {
+ $name = $stepObj['name'];
+ call_user_func_array( $startCB, array( $name ) );
+
+ // Perform the callback step
+ $status = call_user_func( $stepObj['callback'], $installer );
+
+ // Output and save the results
+ call_user_func( $endCB, $name, $status );
+ $installResults[$name] = $status;
+
+ // If we've hit some sort of fatal, we need to bail.
+ // Callback already had a chance to do output above.
+ if( !$status->isOk() ) {
+ break;
+ }
+ }
+ if( $status->isOk() ) {
+ $this->setVar( '_InstallDone', true );
+ }
+ return $installResults;
+ }
+
+ /**
+ * Generate $wgSecretKey. Will warn if we had to use mt_rand() instead of
+ * /dev/urandom
+ *
+ * @return Status
+ */
+ public function generateKeys() {
+ $keys = array( 'wgSecretKey' => 64 );
+ if ( strval( $this->getVar( 'wgUpgradeKey' ) ) === '' ) {
+ $keys['wgUpgradeKey'] = 16;
+ }
+ return $this->doGenerateKeys( $keys );
+ }
+
+ /**
+ * Generate a secret value for variables using either
+ * /dev/urandom or mt_rand(). Produce a warning in the later case.
+ *
+ * @param $keys Array
+ * @return Status
+ */
+ protected function doGenerateKeys( $keys ) {
+ $status = Status::newGood();
+
+ wfSuppressWarnings();
+ $file = fopen( "/dev/urandom", "r" );
+ wfRestoreWarnings();
+
+ foreach ( $keys as $name => $length ) {
+ if ( $file ) {
+ $secretKey = bin2hex( fread( $file, $length / 2 ) );
+ } else {
+ $secretKey = '';
+
+ for ( $i = 0; $i < $length / 8; $i++ ) {
+ $secretKey .= dechex( mt_rand( 0, 0x7fffffff ) );
+ }
+ }
+
+ $this->setVar( $name, $secretKey );
+ }
+
+ if ( $file ) {
+ fclose( $file );
+ } else {
+ $names = array_keys ( $keys );
+ $names = preg_replace( '/^(.*)$/', '\$$1', $names );
+ global $wgLang;
+ $status->warning( 'config-insecure-keys', $wgLang->listToText( $names ), count( $names ) );
+ }
+
+ return $status;
+ }
+
+ /**
+ * Create the first user account, grant it sysop and bureaucrat rights
+ *
+ * @return Status
+ */
+ protected function createSysop() {
+ $name = $this->getVar( '_AdminName' );
+ $user = User::newFromName( $name );
+
+ if ( !$user ) {
+ // We should've validated this earlier anyway!
+ return Status::newFatal( 'config-admin-error-user', $name );
+ }
+
+ if ( $user->idForName() == 0 ) {
+ $user->addToDatabase();
+
+ try {
+ $user->setPassword( $this->getVar( '_AdminPassword' ) );
+ } catch( PasswordError $pwe ) {
+ return Status::newFatal( 'config-admin-error-password', $name, $pwe->getMessage() );
+ }
+
+ $user->addGroup( 'sysop' );
+ $user->addGroup( 'bureaucrat' );
+ if( $this->getVar( '_AdminEmail' ) ) {
+ $user->setEmail( $this->getVar( '_AdminEmail' ) );
+ }
+ $user->saveSettings();
+
+ // Update user count
+ $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
+ $ssUpdate->doUpdate();
+ }
+ $status = Status::newGood();
+
+ if( $this->getVar( '_Subscribe' ) && $this->getVar( '_AdminEmail' ) ) {
+ $this->subscribeToMediaWikiAnnounce( $status );
+ }
+
+ return $status;
+ }
+
+ private function subscribeToMediaWikiAnnounce( Status $s ) {
+ $params = array(
+ 'email' => $this->getVar( '_AdminEmail' ),
+ 'language' => 'en',
+ 'digest' => 0
+ );
+
+ // Mailman doesn't support as many languages as we do, so check to make
+ // sure their selected language is available
+ $myLang = $this->getVar( '_UserLang' );
+ if( in_array( $myLang, $this->mediaWikiAnnounceLanguages ) ) {
+ $myLang = $myLang == 'pt-br' ? 'pt_BR' : $myLang; // rewrite to Mailman's pt_BR
+ $params['language'] = $myLang;
+ }
+
+ if( MWHttpRequest::canMakeRequests() ) {
+ $res = MWHttpRequest::factory( $this->mediaWikiAnnounceUrl,
+ array( 'method' => 'POST', 'postData' => $params ) )->execute();
+ if( !$res->isOK() ) {
+ $s->warning( 'config-install-subscribe-fail', $res->getMessage() );
+ }
+ } else {
+ $s->warning( 'config-install-subscribe-notpossible' );
+ }
+ }
+
+ /**
+ * Insert Main Page with default content.
+ *
+ * @param $installer DatabaseInstaller
+ * @return Status
+ */
+ protected function createMainpage( DatabaseInstaller $installer ) {
+ $status = Status::newGood();
+ try {
+ $article = new Article( Title::newMainPage() );
+ $article->doEdit( wfMsgForContent( 'mainpagetext' ) . "\n\n" .
+ wfMsgForContent( 'mainpagedocfooter' ),
+ '',
+ EDIT_NEW,
+ false,
+ User::newFromName( 'MediaWiki default' ) );
+ } catch (MWException $e) {
+ //using raw, because $wgShowExceptionDetails can not be set yet
+ $status->fatal( 'config-install-mainpage-failed', $e->getMessage() );
+ }
+
+ return $status;
+ }
+
+ /**
+ * Override the necessary bits of the config to run an installation.
+ */
+ public static function overrideConfig() {
+ define( 'MW_NO_SESSION', 1 );
+
+ // Don't access the database
+ $GLOBALS['wgUseDatabaseMessages'] = false;
+ // Debug-friendly
+ $GLOBALS['wgShowExceptionDetails'] = true;
+ // Don't break forms
+ $GLOBALS['wgExternalLinkTarget'] = '_blank';
+
+ // Extended debugging
+ $GLOBALS['wgShowSQLErrors'] = true;
+ $GLOBALS['wgShowDBErrorBacktrace'] = true;
+
+ // Allow multiple ob_flush() calls
+ $GLOBALS['wgDisableOutputCompression'] = true;
+
+ // Use a sensible cookie prefix (not my_wiki)
+ $GLOBALS['wgCookiePrefix'] = 'mw_installer';
+
+ // Some of the environment checks make shell requests, remove limits
+ $GLOBALS['wgMaxShellMemory'] = 0;
+ }
+
+ /**
+ * Add an installation step following the given step.
+ *
+ * @param $callback Array A valid installation callback array, in this form:
+ * array( 'name' => 'some-unique-name', 'callback' => array( $obj, 'function' ) );
+ * @param $findStep String the step to find. Omit to put the step at the beginning
+ */
+ public function addInstallStep( $callback, $findStep = 'BEGINNING' ) {
+ $this->extraInstallSteps[$findStep][] = $callback;
+ }
+
+ /**
+ * Disable the time limit for execution.
+ * Some long-running pages (Install, Upgrade) will want to do this
+ */
+ protected function disableTimeLimit() {
+ wfSuppressWarnings();
+ set_time_limit( 0 );
+ wfRestoreWarnings();
+ }
}