/**
* Base installer class.
- *
+ *
* This class provides the base for installation and update functionality
* for both MediaWiki core and extensions.
- *
+ *
* @since 1.17
*/
abstract class Installer {
-
+
/**
* TODO: make protected?
- *
+ *
* @var array
*/
- public $settings;
-
+ public $settings;
+
/**
* Cached DB installer instances, access using getDBInstaller().
- *
+ *
* @var array
*/
protected $dbInstallers = array();
/**
* Minimum memory size in MB.
- *
+ *
* @var integer
*/
- protected $minMemorySize = 50;
-
+ protected $minMemorySize = 50;
+
/**
* Cached Title, used by parse().
- *
+ *
* @var Title
*/
protected $parserTitle;
-
+
/**
* Cached ParserOptions, used by parse().
- *
+ *
* @var ParserOptions
- */
- protected $parserOptions;
-
+ */
+ protected $parserOptions;
+
/**
* Known database types. These correspond to the class names <type>Installer,
* and are also MediaWiki database types valid for $wgDBtype.
*
* To add a new type, create a <type>Installer class and a Database<type>
* class, and add a config-type-<type> message to MessagesEn.php.
- *
+ *
* @var array
*/
protected $dbTypes = array(
'sqlite',
'oracle'
);
-
+
/**
* A list of environment check methods called by doEnvironmentChecks().
* These may output warnings using showMessage(), and/or abort the
* installation process by returning false.
- *
+ *
* @var array
*/
protected $envChecks = array(
'envCheckShellLocale',
'envCheckUploadsDirectory',
'envCheckLibicu'
- );
-
+ );
+
/**
* UI interface for displaying a short message
* The parameters are like parameters to wfMsg().
* output format such as HTML or text before being sent to the user.
*/
public abstract function showMessage( $msg /*, ... */ );
-
+
/**
* Constructor, always call this from child classes.
*/
- public function __construct() {
+ public function __construct() {
// Disable the i18n cache and LoadBalancer
Language::getLocalisationCache()->disableBackend();
LBFactory::disableBackend();
}
-
+
/**
* Get a list of known DB types.
*/
public function getDBTypes() {
return $this->dbTypes;
- }
-
+ }
+
/**
* Do initial checks of the PHP environment. Set variables according to
* the observed environment.
*
* Under the web subclass, it can already be assumed that PHP 5+ is in use
* and that sessions are working.
- *
+ *
* @return boolean
*/
public function doEnvironmentChecks() {
$this->showMessage( 'config-env-php', phpversion() );
$good = true;
-
+
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;
}
/**
* Set a MW configuration variable, or internal installer configuration variable.
- *
+ *
* @param $name String
* @param $value Mixed
*/
* Get an MW configuration variable, or internal installer configuration variable.
* The defaults come from $GLOBALS (ultimately DefaultSettings.php).
* Installer variables are typically prefixed by an underscore.
- *
+ *
* @param $name String
* @param $default Mixed
- *
+ *
* @return mixed
*/
public function getVar( $name, $default = null ) {
} else {
return $this->settings[$name];
}
- }
-
+ }
+
/**
* Get an instance of DatabaseInstaller for the specified DB type.
- *
+ *
* @param $type Mixed: DB installer for which is needed, false to use default.
- *
+ *
* @return DatabaseInstaller
*/
public function getDBInstaller( $type = false ) {
if ( !$type ) {
$type = $this->getVar( 'wgDBtype' );
}
-
+
$type = strtolower( $type );
if ( !isset( $this->dbInstallers[$type] ) ) {
$class = ucfirst( $type ). 'Installer';
$this->dbInstallers[$type] = new $class( $this );
}
-
+
return $this->dbInstallers[$type];
- }
-
+ }
+
/**
* Determine if LocalSettings exists. If it does, return an appropriate
* status for whether we should can upgrade or not.
- *
+ *
* @return Status
*/
public function getLocalSettingsStatus() {
$status->fatal( 'config-localsettings-noupgrade' );
}
}
-
+
return $status;
- }
-
+ }
+
/**
* Get a fake password for sending back to the user in HTML.
* This is a security mechanism to avoid compromise of the password in the
* event of session ID compromise.
- *
+ *
* @param $realPassword String
- *
+ *
* @return string
*/
public function getFakePassword( $realPassword ) {
/**
* Set a variable which stores a password, except if the new value is a
* fake password in which case leave it as it is.
- *
+ *
* @param $name String
* @param $value Mixed
*/
if ( !preg_match( '/^\*+$/', $value ) ) {
$this->setVar( $name, $value );
}
- }
+ }
/**
* On POSIX systems return the primary group of the webserver we're running under.
$group = $getpwuid['name'];
return $group;
- }
-
+ }
+
/**
* Convert wikitext $text to HTML.
*
*/
public function parse( $text, $lineStart = false ) {
global $wgParser;
-
+
try {
$out = $wgParser->parse( $text, $this->parserTitle, $this->parserOptions, $lineStart );
$html = $out->getText();
} catch ( DBAccessError $e ) {
$html = '<!--DB access attempted during parse--> ' . htmlspecialchars( $text );
-
+
if ( !empty( $this->debug ) ) {
$html .= "<!--\n" . $e->getTraceAsString() . "\n-->";
}
}
-
+
return $html;
- }
-
+ }
+
/**
* TODO: document
- *
+ *
* @param DatabaseInstaller $installer
- *
+ *
* @return Status
*/
public function installDatabase( DatabaseInstaller &$installer ) {
} else {
$status = $installer->setupDatabase();
}
-
+
return $status;
}
/**
* TODO: document
- *
+ *
* @param DatabaseInstaller $installer
- *
+ *
* @return Status
*/
public function installTables( DatabaseInstaller &$installer ) {
$status = $installer->createTables();
-
+
if( $status->isOK() ) {
LBFactory::enableBackend();
}
-
+
return $status;
}
/**
* TODO: document
- *
+ *
* @param DatabaseInstaller $installer
- *
+ *
* @return Status
- */
+ */
public function installInterwiki( DatabaseInstaller &$installer ) {
return $installer->populateInterwikiTable();
- }
-
+ }
+
/**
* Exports all wg* variables stored by the installer into global scope.
*/
$GLOBALS[$name] = $value;
}
}
- }
-
+ }
+
/**
* Check if we're installing the latest version.
*/
public function envLatestVersion() {
global $wgVersion;
-
+
$latestInfoUrl = 'http://www.mediawiki.org/w/api.php?action=mwreleases&format=json';
$latestInfo = Http::get( $latestInfoUrl );
-
+
if( !$latestInfo ) {
$this->showMessage( 'config-env-latest-can-not-check', $latestInfoUrl );
return;
}
-
+
$this->setVar( '_ExternalHTTP', true );
$latestInfo = FormatJson::decode($latestInfo);
-
+
if ($latestInfo === false || !isset( $latestInfo->mwreleases ) ) {
# For when the request is successful but there's e.g. some silly man in
# the middle firewall blocking us, e.g. one of those annoying airport ones
$this->showMessage( 'config-env-latest-data-invalid', $latestInfoUrl );
return;
}
-
+
foreach( $latestInfo->mwreleases as $rel ) {
if( isset( $rel->current ) ) {
$currentVersion = $rel->version;
}
}
-
+
if( version_compare( $wgVersion, $currentVersion, '<' ) ) {
$this->showMessage( 'config-env-latest-old' );
$this->showHelpBox( 'config-env-latest-help', $wgVersion, $currentVersion );
} elseif( version_compare( $wgVersion, $currentVersion, '>' ) ) {
$this->showMessage( 'config-env-latest-new' );
}
-
+
$this->showMessage( 'config-env-latest-ok' );
}
*/
public function envCheckDB() {
global $wgLang;
-
+
$compiledDBs = array();
$goodNames = array();
$allNames = array();
-
+
foreach ( $this->dbTypes as $name ) {
$db = $this->getDBInstaller( $name );
$readableName = wfMsg( 'config-type-' . $name );
-
+
if ( $db->isCompiled() ) {
$compiledDBs[] = $name;
$goodNames[] = $readableName;
}
-
+
$allNames[] = $readableName;
}
-
+
$this->setVar( '_CompiledDBs', $compiledDBs );
-
+
if ( !$compiledDBs ) {
$this->showMessage( 'config-no-db' );
$this->showHelpBox( 'config-no-db-help', $wgLang->commaList( $allNames ) );
return false;
}
-
+
$this->showMessage( 'config-have-db', $wgLang->commaList( $goodNames ) );
}
*/
public function envCheckMemory() {
$limit = ini_get( 'memory_limit' );
-
+
if ( !$limit || $limit == -1 ) {
$this->showMessage( 'config-memory-none' );
return true;
}
-
+
$n = intval( $limit );
-
+
if( preg_match( '/^([0-9]+)[Mm]$/', trim( $limit ), $m ) ) {
$n = intval( $m[1] * ( 1024 * 1024 ) );
}
-
+
if( $n < $this->minMemorySize * 1024 * 1024 ) {
$newLimit = "{$this->minMemorySize}M";
-
+
if( ini_set( "memory_limit", $newLimit ) === false ) {
$this->showMessage( 'config-memory-bad', $limit );
} else {
*/
public function envCheckCache() {
$caches = array();
-
+
foreach ( $this->objectCaches as $name => $function ) {
if ( function_exists( $function ) ) {
$caches[$name] = true;
$this->showMessage( 'config-' . $name );
}
}
-
+
if ( !$caches ) {
$this->showMessage( 'config-no-cache' );
}
-
+
$this->setVar( '_Caches', $caches );
}
),
explode( PATH_SEPARATOR, getenv( "PATH" ) )
);
-
+
$names = array( "gdiff3", "diff3", "diff3.exe" );
$versionInfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
-
+
$haveDiff3 = false;
-
+
foreach ( $paths as $path ) {
$exe = $this->locateExecutable( $path, $names, $versionInfo );
-
+
if ($exe !== false) {
$this->setVar( 'wgDiff3', $exe );
$haveDiff3 = true;
break;
}
}
-
+
if ( $haveDiff3 ) {
$this->showMessage( 'config-diff3-good', $exe );
} else {
$this->setVar( 'wgDiff3', false );
$this->showMessage( 'config-diff3-bad' );
}
- }
-
+ }
+
/**
* Environment check for ImageMagick and GD.
*/
public function envCheckGraphics() {
$imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
-
+
foreach( $imcheck as $dir ) {
$im = "$dir/convert";
-
+
wfSuppressWarnings();
$file_exists = file_exists( $im );
- wfRestoreWarnings();
-
+ wfRestoreWarnings();
+
if( $file_exists ) {
$this->showMessage( 'config-imagemagick', $im );
$this->setVar( 'wgImageMagickConvertCommand', $im );
return true;
}
}
-
+
if ( function_exists( 'imagejpeg' ) ) {
$this->showMessage( 'config-gd' );
return true;
}
-
+
$this->showMessage( 'no-scaling' );
}
public function envCheckPath() {
global $IP;
$IP = dirname( dirname( dirname( __FILE__ ) ) );
-
+
$this->setVar( 'IP', $IP );
$this->showMessage( 'config-dir', $IP );
$this->showMessage( 'config-no-uri' );
return false;
}
-
+
$uri = preg_replace( '{^(.*)/config.*$}', '$1', $path );
$this->setVar( 'wgScriptPath', $uri );
$this->showMessage( 'config-uri', $uri );
public function envCheckWriteableDir() {
$ipDir = $this->getVar( 'IP' );
$configDir = $ipDir . '/config';
-
+
if( !is_writeable( $configDir ) ) {
$webserverGroup = self::maybeGetWebserverPrimaryGroup();
-
+
if ( $webserverGroup !== null ) {
$this->showMessage( 'config-dir-not-writable-group', $ipDir, $webserverGroup );
} else {
$this->showMessage( 'config-dir-not-writable-nogroup', $ipDir, $webserverGroup );
}
-
+
return false;
}
}
} else {
$ext = 'php';
}
-
+
$this->setVar( 'wgScriptExtension', ".$ext" );
$this->showMessage( 'config-file-extension', $ext );
}
$os = php_uname( 's' );
$supported = array( 'Linux', 'SunOS', 'HP-UX' ); # Tested these
-
+
if ( !in_array( $os, $supported ) ) {
return true;
}
# Get a list of available locales.
$lines = $ret = false;
exec( '/usr/bin/locale -a', $lines, $ret );
-
+
if ( $ret ) {
return true;
}
$lines = wfArrayMap( 'trim', $lines );
$candidatesByLocale = array();
$candidatesByLang = array();
-
+
foreach ( $lines as $line ) {
if ( $line === '' ) {
continue;
}
-
+
if ( !preg_match( '/^([a-zA-Z]+)(_[a-zA-Z]+|)\.(utf8|UTF-8)(@[a-zA-Z_]*|)$/i', $line, $m ) ) {
continue;
}
-
+
list( $all, $lang, $territory, $charset, $modifier ) = $m;
-
+
$candidatesByLocale[$m[0]] = $m;
$candidatesByLang[$lang][] = $m;
}
# Is there an available locale in the Wiki's language?
$wikiLang = $this->getVar( 'wgLanguageCode' );
-
+
if ( isset( $candidatesByLang[$wikiLang] ) ) {
$m = reset( $candidatesByLang[$wikiLang] );
$this->setVar( 'wgShellLocale', $m[0] );
*/
public function envCheckUploadsDirectory() {
global $IP, $wgServer;
-
+
$dir = $IP . '/images/';
$url = $wgServer . $this->getVar( 'wgScriptPath' ) . '/images/';
$safe = !$this->dirIsExecutable( $dir, $url );
-
+
if ( $safe ) {
$this->showMessage( 'config-uploads-safe' );
} else {
$this->showMessage( 'config-uploads-not-safe', $dir );
}
- }
-
+ }
+
/**
* Convert a hex string representing a Unicode code point to that code point.
* @param string $c
* Search a path for any of the given executable names. Returns the
* executable name if found. Also checks the version string returned
* by each executable.
- *
+ *
* Used only by environment checks.
*
* @param $path String: path to search
foreach ( $names as $name ) {
$command = "$path/$name";
-
+
wfSuppressWarnings();
$file_exists = file_exists( $command );
wfRestoreWarnings();
-
+
if ( $file_exists ) {
if ( !$versionInfo ) {
return $command;
}
-
+
$file = str_replace( '$1', $command, $versionInfo[0] );
-
+
# Should maybe be wfShellExec( $file), but runs into a ulimit, see
# http://www.mediawiki.org/w/index.php?title=New-installer_issues&diff=prev&oldid=335456
if ( strstr( `$file`, $versionInfo[1]) !== false ) {
}
}
}
-
+
return false;
- }
-
+ }
+
/**
* Checks if scripts located in the given directory can be executed via the given URL.
- *
+ *
* Used only by environment checks.
*/
public function dirIsExecutable( $dir, $url ) {
"#!/var/env php5\n<?php echo 'ex' . 'ec';",
),
);
-
+
// it would be good to check other popular languages here, but it'll be slow.
wfSuppressWarnings();
-
+
foreach ( $scriptTypes as $ext => $contents ) {
foreach ( $contents as $source ) {
$file = 'exectest.' . $ext;
-
+
if ( !file_put_contents( $dir . $file, $source ) ) {
break;
}
-
+
$text = Http::get( $url . $file );
unlink( $dir . $file );
-
+
if ( $text == 'exec' ) {
wfRestoreWarnings();
return $ext;
}
}
}
-
+
wfRestoreWarnings();
-
+
return false;
- }
-
+ }
+
}
dépôts / lhc / web / wiklou.git / commitdiff