auf Version 1.11 aktualisiert; Login-Bug behoben

1 files changed, 150 insertions, 0 deletions

diff --git a/includes/filerepo/RepoGroup.php b/includes/filerepo/RepoGroup.php
new file mode 100644
index 00000000..23d222af
--- /dev/null
+++ b/includes/filerepo/RepoGroup.php
@@ -0,0 +1,150 @@
+<?php
+
+/**
+ * Prioritized list of file repositories
+ * @addtogroup filerepo
+ */
+class RepoGroup {
+	var $localRepo, $foreignRepos, $reposInitialised = false;
+	var $localInfo, $foreignInfo;
+
+	protected static $instance;
+
+	/**
+	 * Get a RepoGroup instance. At present only one instance of RepoGroup is
+	 * needed in a MediaWiki invocation, this may change in the future.
+	 */
+	static function singleton() {
+		if ( self::$instance ) {
+			return self::$instance;
+		}
+		global $wgLocalFileRepo, $wgForeignFileRepos;
+		self::$instance = new RepoGroup( $wgLocalFileRepo, $wgForeignFileRepos );
+		return self::$instance;
+	}
+
+	/**
+	 * Destroy the singleton instance, so that a new one will be created next
+	 * time singleton() is called.
+	 */
+	static function destroySingleton() {
+		self::$instance = null;
+	}
+
+	/**
+	 * Construct a group of file repositories. 
+	 * @param array $data Array of repository info arrays. 
+	 *     Each info array is an associative array with the 'class' member 
+	 *     giving the class name. The entire array is passed to the repository
+	 *     constructor as the first parameter.
+	 */
+	function __construct( $localInfo, $foreignInfo ) {
+		$this->localInfo = $localInfo;
+		$this->foreignInfo = $foreignInfo;
+	}
+
+	/**
+	 * Search repositories for an image.
+	 * You can also use wfGetFile() to do this.
+	 * @param mixed $title Title object or string
+	 * @param mixed $time The 14-char timestamp before which the file should 
+	 *                    have been uploaded, or false for the current version
+	 * @return File object or false if it is not found
+	 */
+	function findFile( $title, $time = false ) {
+		if ( !$this->reposInitialised ) {
+			$this->initialiseRepos();
+		}
+
+		$image = $this->localRepo->findFile( $title, $time );
+		if ( $image ) {
+			return $image;
+		}
+		foreach ( $this->foreignRepos as $repo ) {
+			$image = $repo->findFile( $title, $time );
+			if ( $image ) {
+				return $image;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Get the repo instance with a given key.
+	 */
+	function getRepo( $index ) {
+		if ( !$this->reposInitialised ) {
+			$this->initialiseRepos();
+		}
+		if ( $index == 'local' ) {
+			return $this->localRepo;
+		} elseif ( isset( $this->foreignRepos[$index] ) ) {
+			return $this->foreignRepos[$index];
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Get the local repository, i.e. the one corresponding to the local image
+	 * table. Files are typically uploaded to the local repository.
+	 */
+	function getLocalRepo() {
+		return $this->getRepo( 'local' );
+	}
+
+	/**
+	 * Initialise the $repos array
+	 */
+	function initialiseRepos() {
+		if ( $this->reposInitialised ) {
+			return;
+		}
+		$this->reposInitialised = true;
+
+		$this->localRepo = $this->newRepo( $this->localInfo );
+		$this->foreignRepos = array();
+		foreach ( $this->foreignInfo as $key => $info ) {
+			$this->foreignRepos[$key] = $this->newRepo( $info );
+		}
+	}
+
+	/**
+	 * Create a repo class based on an info structure
+	 */
+	protected function newRepo( $info ) {
+		$class = $info['class'];
+		return new $class( $info );
+	}
+
+	/**
+	 * Split a virtual URL into repo, zone and rel parts
+	 * @return an array containing repo, zone and rel
+	 */
+	function splitVirtualUrl( $url ) {
+		if ( substr( $url, 0, 9 ) != 'mwrepo://' ) {
+			throw new MWException( __METHOD__.': unknown protoocl' );
+		}
+
+		$bits = explode( '/', substr( $url, 9 ), 3 );
+		if ( count( $bits ) != 3 ) {
+			throw new MWException( __METHOD__.": invalid mwrepo URL: $url" );
+		}
+		return $bits;
+	}
+
+	function getFileProps( $fileName ) {
+		if ( FileRepo::isVirtualUrl( $fileName ) ) {
+			list( $repoName, /* $zone */, /* $rel */ ) = $this->splitVirtualUrl( $fileName );
+			if ( $repoName === '' ) {
+				$repoName = 'local';
+			}
+			$repo = $this->getRepo( $repoName );
+			return $repo->getFileProps( $fileName );
+		} else {
+			return File::getPropsFromPath( $fileName );
+		}
+	}
+}
+
+