690 lines
20 KiB
PHP
690 lines
20 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Base class for file repositories
|
|
* Do not instantiate, use a derived class.
|
|
* @ingroup FileRepo
|
|
*/
|
|
abstract class FileRepo {
|
|
const FILES_ONLY = 1;
|
|
const DELETE_SOURCE = 1;
|
|
const OVERWRITE = 2;
|
|
const OVERWRITE_SAME = 4;
|
|
|
|
var $thumbScriptUrl, $transformVia404;
|
|
var $descBaseUrl, $scriptDirUrl, $scriptExtension, $articleUrl;
|
|
var $fetchDescription, $initialCapital;
|
|
var $pathDisclosureProtection = 'paranoid';
|
|
var $descriptionCacheExpiry, $hashLevels, $url, $thumbUrl;
|
|
|
|
/**
|
|
* Factory functions for creating new files
|
|
* Override these in the base class
|
|
*/
|
|
var $fileFactory = false, $oldFileFactory = false;
|
|
var $fileFactoryKey = false, $oldFileFactoryKey = false;
|
|
|
|
function __construct( $info ) {
|
|
// Required settings
|
|
$this->name = $info['name'];
|
|
|
|
// Optional settings
|
|
$this->initialCapital = MWNamespace::isCapitalized( NS_FILE );
|
|
foreach ( array( 'descBaseUrl', 'scriptDirUrl', 'articleUrl', 'fetchDescription',
|
|
'thumbScriptUrl', 'initialCapital', 'pathDisclosureProtection',
|
|
'descriptionCacheExpiry', 'hashLevels', 'url', 'thumbUrl', 'scriptExtension' )
|
|
as $var )
|
|
{
|
|
if ( isset( $info[$var] ) ) {
|
|
$this->$var = $info[$var];
|
|
}
|
|
}
|
|
$this->transformVia404 = !empty( $info['transformVia404'] );
|
|
}
|
|
|
|
/**
|
|
* Determine if a string is an mwrepo:// URL
|
|
*/
|
|
static function isVirtualUrl( $url ) {
|
|
return substr( $url, 0, 9 ) == 'mwrepo://';
|
|
}
|
|
|
|
/**
|
|
* Create a new File object from the local repository
|
|
*
|
|
* @param $title Mixed: Title object or string
|
|
* @param $time Mixed: Time at which the image was uploaded.
|
|
* If this is specified, the returned object will be an
|
|
* instance of the repository's old file class instead of a
|
|
* current file. Repositories not supporting version control
|
|
* should return false if this parameter is set.
|
|
*/
|
|
function newFile( $title, $time = false ) {
|
|
if ( !($title instanceof Title) ) {
|
|
$title = Title::makeTitleSafe( NS_FILE, $title );
|
|
if ( !is_object( $title ) ) {
|
|
return null;
|
|
}
|
|
}
|
|
if ( $time ) {
|
|
if ( $this->oldFileFactory ) {
|
|
return call_user_func( $this->oldFileFactory, $title, $this, $time );
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return call_user_func( $this->fileFactory, $title, $this );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Find an instance of the named file created at the specified time
|
|
* Returns false if the file does not exist. Repositories not supporting
|
|
* version control should return false if the time is specified.
|
|
*
|
|
* @param $title Mixed: Title object or string
|
|
* @param $options Associative array of options:
|
|
* time: requested time for an archived image, or false for the
|
|
* current version. An image object will be returned which was
|
|
* created at the specified time.
|
|
*
|
|
* ignoreRedirect: If true, do not follow file redirects
|
|
*
|
|
* private: If true, return restricted (deleted) files if the current
|
|
* user is allowed to view them. Otherwise, such files will not
|
|
* be found.
|
|
*/
|
|
function findFile( $title, $options = array() ) {
|
|
if ( !is_array( $options ) ) {
|
|
// MW 1.15 compat
|
|
$time = $options;
|
|
} else {
|
|
$time = isset( $options['time'] ) ? $options['time'] : false;
|
|
}
|
|
if ( !($title instanceof Title) ) {
|
|
$title = Title::makeTitleSafe( NS_FILE, $title );
|
|
if ( !is_object( $title ) ) {
|
|
return false;
|
|
}
|
|
}
|
|
# First try the current version of the file to see if it precedes the timestamp
|
|
$img = $this->newFile( $title );
|
|
if ( !$img ) {
|
|
return false;
|
|
}
|
|
if ( $img->exists() && ( !$time || $img->getTimestamp() == $time ) ) {
|
|
return $img;
|
|
}
|
|
# Now try an old version of the file
|
|
if ( $time !== false ) {
|
|
$img = $this->newFile( $title, $time );
|
|
if ( $img && $img->exists() ) {
|
|
if ( !$img->isDeleted(File::DELETED_FILE) ) {
|
|
return $img;
|
|
} else if ( !empty( $options['private'] ) && $img->userCan(File::DELETED_FILE) ) {
|
|
return $img;
|
|
}
|
|
}
|
|
}
|
|
|
|
# Now try redirects
|
|
if ( !empty( $options['ignoreRedirect'] ) ) {
|
|
return false;
|
|
}
|
|
$redir = $this->checkRedirect( $title );
|
|
if( $redir && $redir->getNamespace() == NS_FILE) {
|
|
$img = $this->newFile( $redir );
|
|
if( !$img ) {
|
|
return false;
|
|
}
|
|
if( $img->exists() ) {
|
|
$img->redirectedFrom( $title->getDBkey() );
|
|
return $img;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* Find many files at once.
|
|
* @param $items An array of titles, or an array of findFile() options with
|
|
* the "title" option giving the title. Example:
|
|
*
|
|
* $findItem = array( 'title' => $title, 'private' => true );
|
|
* $findBatch = array( $findItem );
|
|
* $repo->findFiles( $findBatch );
|
|
*/
|
|
function findFiles( $items ) {
|
|
$result = array();
|
|
foreach ( $items as $index => $item ) {
|
|
if ( is_array( $item ) ) {
|
|
$title = $item['title'];
|
|
$options = $item;
|
|
unset( $options['title'] );
|
|
} else {
|
|
$title = $item;
|
|
$options = array();
|
|
}
|
|
$file = $this->findFile( $title, $options );
|
|
if ( $file )
|
|
$result[$file->getTitle()->getDBkey()] = $file;
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Create a new File object from the local repository
|
|
* @param $sha1 Mixed: SHA-1 key
|
|
* @param $time Mixed: time at which the image was uploaded.
|
|
* If this is specified, the returned object will be an
|
|
* of the repository's old file class instead of a current
|
|
* file. Repositories not supporting version control should
|
|
* return false if this parameter is set.
|
|
*/
|
|
function newFileFromKey( $sha1, $time = false ) {
|
|
if ( $time ) {
|
|
if ( $this->oldFileFactoryKey ) {
|
|
return call_user_func( $this->oldFileFactoryKey, $sha1, $this, $time );
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return call_user_func( $this->fileFactoryKey, $sha1, $this );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Find an instance of the file with this key, created at the specified time
|
|
* Returns false if the file does not exist. Repositories not supporting
|
|
* version control should return false if the time is specified.
|
|
*
|
|
* @param $sha1 String
|
|
* @param $options Option array, same as findFile().
|
|
*/
|
|
function findFileFromKey( $sha1, $options = array() ) {
|
|
if ( !is_array( $options ) ) {
|
|
# MW 1.15 compat
|
|
$time = $options;
|
|
} else {
|
|
$time = isset( $options['time'] ) ? $options['time'] : false;
|
|
}
|
|
|
|
# First try the current version of the file to see if it precedes the timestamp
|
|
$img = $this->newFileFromKey( $sha1 );
|
|
if ( !$img ) {
|
|
return false;
|
|
}
|
|
if ( $img->exists() && ( !$time || $img->getTimestamp() == $time ) ) {
|
|
return $img;
|
|
}
|
|
# Now try an old version of the file
|
|
if ( $time !== false ) {
|
|
$img = $this->newFileFromKey( $sha1, $time );
|
|
if ( $img->exists() ) {
|
|
if ( !$img->isDeleted(File::DELETED_FILE) ) {
|
|
return $img;
|
|
} else if ( !empty( $options['private'] ) && $img->userCan(File::DELETED_FILE) ) {
|
|
return $img;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get the URL of thumb.php
|
|
*/
|
|
function getThumbScriptUrl() {
|
|
return $this->thumbScriptUrl;
|
|
}
|
|
|
|
/**
|
|
* Get the URL corresponding to one of the four basic zones
|
|
* @param $zone String: one of: public, deleted, temp, thumb
|
|
* @return String or false
|
|
*/
|
|
function getZoneUrl( $zone ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the repository can transform files via a 404 handler
|
|
*/
|
|
function canTransformVia404() {
|
|
return $this->transformVia404;
|
|
}
|
|
|
|
/**
|
|
* Get the name of an image from its title object
|
|
*/
|
|
function getNameFromTitle( $title ) {
|
|
if ( $this->initialCapital != MWNamespace::isCapitalized( NS_FILE ) ) {
|
|
global $wgContLang;
|
|
$name = $title->getUserCaseDBKey();
|
|
if ( $this->initialCapital ) {
|
|
$name = $wgContLang->ucfirst( $name );
|
|
}
|
|
} else {
|
|
$name = $title->getDBkey();
|
|
}
|
|
return $name;
|
|
}
|
|
|
|
static function getHashPathForLevel( $name, $levels ) {
|
|
if ( $levels == 0 ) {
|
|
return '';
|
|
} else {
|
|
$hash = md5( $name );
|
|
$path = '';
|
|
for ( $i = 1; $i <= $levels; $i++ ) {
|
|
$path .= substr( $hash, 0, $i ) . '/';
|
|
}
|
|
return $path;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get a relative path including trailing slash, e.g. f/fa/
|
|
* If the repo is not hashed, returns an empty string
|
|
*/
|
|
function getHashPath( $name ) {
|
|
return self::getHashPathForLevel( $name, $this->hashLevels );
|
|
}
|
|
|
|
/**
|
|
* Get the name of this repository, as specified by $info['name]' to the constructor
|
|
*/
|
|
function getName() {
|
|
return $this->name;
|
|
}
|
|
|
|
/**
|
|
* Make an url to this repo
|
|
*
|
|
* @param $query mixed Query string to append
|
|
* @param $entry string Entry point; defaults to index
|
|
* @return string
|
|
*/
|
|
function makeUrl( $query = '', $entry = 'index' ) {
|
|
$ext = isset( $this->scriptExtension ) ? $this->scriptExtension : '.php';
|
|
return wfAppendQuery( "{$this->scriptDirUrl}/{$entry}{$ext}", $query );
|
|
}
|
|
|
|
/**
|
|
* Get the URL of an image description page. May return false if it is
|
|
* unknown or not applicable. In general this should only be called by the
|
|
* File class, since it may return invalid results for certain kinds of
|
|
* repositories. Use File::getDescriptionUrl() in user code.
|
|
*
|
|
* In particular, it uses the article paths as specified to the repository
|
|
* constructor, whereas local repositories use the local Title functions.
|
|
*/
|
|
function getDescriptionUrl( $name ) {
|
|
$encName = wfUrlencode( $name );
|
|
if ( !is_null( $this->descBaseUrl ) ) {
|
|
# "http://example.com/wiki/Image:"
|
|
return $this->descBaseUrl . $encName;
|
|
}
|
|
if ( !is_null( $this->articleUrl ) ) {
|
|
# "http://example.com/wiki/$1"
|
|
#
|
|
# We use "Image:" as the canonical namespace for
|
|
# compatibility across all MediaWiki versions.
|
|
return str_replace( '$1',
|
|
"Image:$encName", $this->articleUrl );
|
|
}
|
|
if ( !is_null( $this->scriptDirUrl ) ) {
|
|
# "http://example.com/w"
|
|
#
|
|
# We use "Image:" as the canonical namespace for
|
|
# compatibility across all MediaWiki versions,
|
|
# and just sort of hope index.php is right. ;)
|
|
return $this->makeUrl( "title=Image:$encName" );
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get the URL of the content-only fragment of the description page. For
|
|
* MediaWiki this means action=render. This should only be called by the
|
|
* repository's file class, since it may return invalid results. User code
|
|
* should use File::getDescriptionText().
|
|
* @param $name String: name of image to fetch
|
|
* @param $lang String: language to fetch it in, if any.
|
|
*/
|
|
function getDescriptionRenderUrl( $name, $lang = null ) {
|
|
$query = 'action=render';
|
|
if ( !is_null( $lang ) ) {
|
|
$query .= '&uselang=' . $lang;
|
|
}
|
|
if ( isset( $this->scriptDirUrl ) ) {
|
|
return $this->makeUrl(
|
|
'title=' .
|
|
wfUrlencode( 'Image:' . $name ) .
|
|
"&$query" );
|
|
} else {
|
|
$descUrl = $this->getDescriptionUrl( $name );
|
|
if ( $descUrl ) {
|
|
return wfAppendQuery( $descUrl, $query );
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the URL of the stylesheet to apply to description pages
|
|
* @return string
|
|
*/
|
|
function getDescriptionStylesheetUrl() {
|
|
if ( $this->scriptDirUrl ) {
|
|
return $this->makeUrl( 'title=MediaWiki:Filepage.css&' .
|
|
wfArrayToCGI( Skin::getDynamicStylesheetQuery() ) );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Store a file to a given destination.
|
|
*
|
|
* @param $srcPath String: source path or virtual URL
|
|
* @param $dstZone String: destination zone
|
|
* @param $dstRel String: destination relative path
|
|
* @param $flags Integer: bitwise combination of the following flags:
|
|
* self::DELETE_SOURCE Delete the source file after upload
|
|
* self::OVERWRITE Overwrite an existing destination file instead of failing
|
|
* self::OVERWRITE_SAME Overwrite the file if the destination exists and has the
|
|
* same contents as the source
|
|
* @return FileRepoStatus
|
|
*/
|
|
function store( $srcPath, $dstZone, $dstRel, $flags = 0 ) {
|
|
$status = $this->storeBatch( array( array( $srcPath, $dstZone, $dstRel ) ), $flags );
|
|
if ( $status->successCount == 0 ) {
|
|
$status->ok = false;
|
|
}
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Store a batch of files
|
|
*
|
|
* @param $triplets Array: (src,zone,dest) triplets as per store()
|
|
* @param $flags Integer: flags as per store
|
|
*/
|
|
abstract function storeBatch( $triplets, $flags = 0 );
|
|
|
|
/**
|
|
* Pick a random name in the temp zone and store a file to it.
|
|
* Returns a FileRepoStatus object with the URL in the value.
|
|
*
|
|
* @param $originalName String: the base name of the file as specified
|
|
* by the user. The file extension will be maintained.
|
|
* @param $srcPath String: the current location of the file.
|
|
*/
|
|
abstract function storeTemp( $originalName, $srcPath );
|
|
|
|
|
|
/**
|
|
* Append the contents of the source path to the given file.
|
|
* @param $srcPath String: location of the source file
|
|
* @param $toAppendPath String: path to append to.
|
|
* @param $flags Integer: bitfield, may be FileRepo::DELETE_SOURCE to indicate
|
|
* that the source file should be deleted if possible
|
|
* @return mixed Status or false
|
|
*/
|
|
abstract function append( $srcPath, $toAppendPath, $flags = 0 );
|
|
|
|
/**
|
|
* Remove a temporary file or mark it for garbage collection
|
|
* @param $virtualUrl String: the virtual URL returned by storeTemp
|
|
* @return Boolean: true on success, false on failure
|
|
* STUB
|
|
*/
|
|
function freeTemp( $virtualUrl ) {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Copy or move a file either from the local filesystem or from an mwrepo://
|
|
* virtual URL, into this repository at the specified destination location.
|
|
*
|
|
* Returns a FileRepoStatus object. On success, the value contains "new" or
|
|
* "archived", to indicate whether the file was new with that name.
|
|
*
|
|
* @param $srcPath String: the source path or URL
|
|
* @param $dstRel String: the destination relative path
|
|
* @param $archiveRel String: rhe relative path where the existing file is to
|
|
* be archived, if there is one. Relative to the public zone root.
|
|
* @param $flags Integer: bitfield, may be FileRepo::DELETE_SOURCE to indicate
|
|
* that the source file should be deleted if possible
|
|
*/
|
|
function publish( $srcPath, $dstRel, $archiveRel, $flags = 0 ) {
|
|
$status = $this->publishBatch( array( array( $srcPath, $dstRel, $archiveRel ) ), $flags );
|
|
if ( $status->successCount == 0 ) {
|
|
$status->ok = false;
|
|
}
|
|
if ( isset( $status->value[0] ) ) {
|
|
$status->value = $status->value[0];
|
|
} else {
|
|
$status->value = false;
|
|
}
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Publish a batch of files
|
|
* @param $triplets Array: (source,dest,archive) triplets as per publish()
|
|
* @param $flags Integer: bitfield, may be FileRepo::DELETE_SOURCE to indicate
|
|
* that the source files should be deleted if possible
|
|
*/
|
|
abstract function publishBatch( $triplets, $flags = 0 );
|
|
|
|
function fileExists( $file, $flags = 0 ) {
|
|
$result = $this->fileExistsBatch( array( $file ), $flags );
|
|
return $result[0];
|
|
}
|
|
|
|
/**
|
|
* Checks existence of an array of files.
|
|
*
|
|
* @param $files Array: URLs (or paths) of files to check
|
|
* @param $flags Integer: bitwise combination of the following flags:
|
|
* self::FILES_ONLY Mark file as existing only if it is a file (not directory)
|
|
* @return Either array of files and existence flags, or false
|
|
*/
|
|
abstract function fileExistsBatch( $files, $flags = 0 );
|
|
|
|
/**
|
|
* Move a group of files to the deletion archive.
|
|
*
|
|
* If no valid deletion archive is configured, this may either delete the
|
|
* file or throw an exception, depending on the preference of the repository.
|
|
*
|
|
* The overwrite policy is determined by the repository -- currently FSRepo
|
|
* assumes a naming scheme in the deleted zone based on content hash, as
|
|
* opposed to the public zone which is assumed to be unique.
|
|
*
|
|
* @param $sourceDestPairs Array of source/destination pairs. Each element
|
|
* is a two-element array containing the source file path relative to the
|
|
* public root in the first element, and the archive file path relative
|
|
* to the deleted zone root in the second element.
|
|
* @return FileRepoStatus
|
|
*/
|
|
abstract function deleteBatch( $sourceDestPairs );
|
|
|
|
/**
|
|
* Move a file to the deletion archive.
|
|
* If no valid deletion archive exists, this may either delete the file
|
|
* or throw an exception, depending on the preference of the repository
|
|
* @param $srcRel Mixed: relative path for the file to be deleted
|
|
* @param $archiveRel Mixed: relative path for the archive location.
|
|
* Relative to a private archive directory.
|
|
* @return FileRepoStatus object
|
|
*/
|
|
function delete( $srcRel, $archiveRel ) {
|
|
return $this->deleteBatch( array( array( $srcRel, $archiveRel ) ) );
|
|
}
|
|
|
|
/**
|
|
* Get properties of a file with a given virtual URL
|
|
* The virtual URL must refer to this repo
|
|
* Properties should ultimately be obtained via File::getPropsFromPath()
|
|
*/
|
|
abstract function getFileProps( $virtualUrl );
|
|
|
|
/**
|
|
* Call a callback function for every file in the repository
|
|
* May use either the database or the filesystem
|
|
* STUB
|
|
*/
|
|
function enumFiles( $callback ) {
|
|
throw new MWException( 'enumFiles is not supported by ' . get_class( $this ) );
|
|
}
|
|
|
|
/**
|
|
* Determine if a relative path is valid, i.e. not blank or involving directory traveral
|
|
*/
|
|
function validateFilename( $filename ) {
|
|
if ( strval( $filename ) == '' ) {
|
|
return false;
|
|
}
|
|
if ( wfIsWindows() ) {
|
|
$filename = strtr( $filename, '\\', '/' );
|
|
}
|
|
/**
|
|
* Use the same traversal protection as Title::secureAndSplit()
|
|
*/
|
|
if ( strpos( $filename, '.' ) !== false &&
|
|
( $filename === '.' || $filename === '..' ||
|
|
strpos( $filename, './' ) === 0 ||
|
|
strpos( $filename, '../' ) === 0 ||
|
|
strpos( $filename, '/./' ) !== false ||
|
|
strpos( $filename, '/../' ) !== false ) )
|
|
{
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**#@+
|
|
* Path disclosure protection functions
|
|
*/
|
|
function paranoidClean( $param ) { return '[hidden]'; }
|
|
function passThrough( $param ) { return $param; }
|
|
|
|
/**
|
|
* Get a callback function to use for cleaning error message parameters
|
|
*/
|
|
function getErrorCleanupFunction() {
|
|
switch ( $this->pathDisclosureProtection ) {
|
|
case 'none':
|
|
$callback = array( $this, 'passThrough' );
|
|
break;
|
|
default: // 'paranoid'
|
|
$callback = array( $this, 'paranoidClean' );
|
|
}
|
|
return $callback;
|
|
}
|
|
/**#@-*/
|
|
|
|
/**
|
|
* Create a new fatal error
|
|
*/
|
|
function newFatal( $message /*, parameters...*/ ) {
|
|
$params = func_get_args();
|
|
array_unshift( $params, $this );
|
|
return call_user_func_array( array( 'FileRepoStatus', 'newFatal' ), $params );
|
|
}
|
|
|
|
/**
|
|
* Create a new good result
|
|
*/
|
|
function newGood( $value = null ) {
|
|
return FileRepoStatus::newGood( $this, $value );
|
|
}
|
|
|
|
/**
|
|
* Delete files in the deleted directory if they are not referenced in the filearchive table
|
|
* STUB
|
|
*/
|
|
function cleanupDeletedBatch( $storageKeys ) {}
|
|
|
|
/**
|
|
* Checks if there is a redirect named as $title. If there is, return the
|
|
* title object. If not, return false.
|
|
* STUB
|
|
*
|
|
* @param $title Title of image
|
|
*/
|
|
function checkRedirect( $title ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Invalidates image redirect cache related to that image
|
|
* Doesn't do anything for repositories that don't support image redirects.
|
|
*
|
|
* STUB
|
|
* @param $title Title of image
|
|
*/
|
|
function invalidateImageRedirect( $title ) {}
|
|
|
|
/**
|
|
* Get an array or iterator of file objects for files that have a given
|
|
* SHA-1 content hash.
|
|
*
|
|
* STUB
|
|
*/
|
|
function findBySha1( $hash ) {
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Get the human-readable name of the repo.
|
|
* @return string
|
|
*/
|
|
public function getDisplayName() {
|
|
// We don't name our own repo, return nothing
|
|
if ( $this->isLocal() ) {
|
|
return null;
|
|
}
|
|
// 'shared-repo-name-wikimediacommons' is used when $wgUseInstantCommons = true
|
|
$repoName = wfMsg( 'shared-repo-name-' . $this->name );
|
|
if ( !wfEmptyMsg( 'shared-repo-name-' . $this->name, $repoName ) ) {
|
|
return $repoName;
|
|
}
|
|
return wfMsg( 'shared-repo' );
|
|
}
|
|
|
|
/**
|
|
* Returns true if this the local file repository.
|
|
*
|
|
* @return bool
|
|
*/
|
|
function isLocal() {
|
|
return $this->getName() == 'local';
|
|
}
|
|
|
|
|
|
/**
|
|
* Get a key on the primary cache for this repository.
|
|
* Returns false if the repository's cache is not accessible at this site.
|
|
* The parameters are the parts of the key, as for wfMemcKey().
|
|
*
|
|
* STUB
|
|
*/
|
|
function getSharedCacheKey( /*...*/ ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get a key for this repo in the local cache domain. These cache keys are
|
|
* not shared with remote instances of the repo.
|
|
* The parameters are the parts of the key, as for wfMemcKey().
|
|
*/
|
|
function getLocalCacheKey( /*...*/ ) {
|
|
$args = func_get_args();
|
|
array_unshift( $args, 'filerepo', $this->getName() );
|
|
return call_user_func_array( 'wfMemcKey', $args );
|
|
}
|
|
}
|