<?php
+/**
+ * Base code for file repositories.
+ *
+ * @file
+ * @ingroup FileRepo
+ */
/**
- * Base class for file repositories
+ * 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 FIND_PRIVATE = 1;
- const FIND_IGNORE_REDIRECT = 2;
const OVERWRITE = 2;
const OVERWRITE_SAME = 4;
+ const SKIP_VALIDATION = 8;
var $thumbScriptUrl, $transformVia404;
- var $descBaseUrl, $scriptDirUrl, $articleUrl, $fetchDescription, $initialCapital;
+ var $descBaseUrl, $scriptDirUrl, $scriptExtension, $articleUrl;
+ var $fetchDescription, $initialCapital;
var $pathDisclosureProtection = 'paranoid';
- var $descriptionCacheExpiry, $apiThumbCacheExpiry, $hashLevels;
+ var $descriptionCacheExpiry, $hashLevels, $url, $thumbUrl;
/**
* Factory functions for creating new files
$this->name = $info['name'];
// Optional settings
- $this->initialCapital = true; // by default
+ $this->initialCapital = MWNamespace::isCapitalized( NS_FILE );
foreach ( array( 'descBaseUrl', 'scriptDirUrl', 'articleUrl', 'fetchDescription',
- 'thumbScriptUrl', 'initialCapital', 'pathDisclosureProtection',
- 'descriptionCacheExpiry', 'apiThumbCacheExpiry', 'hashLevels' ) as $var )
+ 'thumbScriptUrl', 'initialCapital', 'pathDisclosureProtection',
+ 'descriptionCacheExpiry', 'hashLevels', 'url', 'thumbUrl', 'scriptExtension' )
+ as $var )
{
if ( isset( $info[$var] ) ) {
$this->$var = $info[$var];
/**
* Create a new File object from the local repository
- * @param mixed $title Title object or string
- * @param mixed $time 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.
+ *
+ * @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.
+ *
+ * @return File
*/
function newFile( $title, $time = false ) {
if ( !($title instanceof Title) ) {
* Returns false if the file does not exist. Repositories not supporting
* version control should return false if the time is specified.
*
- * @param mixed $title Title object or string
- * @param mixed $time 14-character timestamp, or false for the current version
+ * @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, $time = false, $flags = 0 ) {
+ function findFile( $title, $options = array() ) {
+ $time = isset( $options['time'] ) ? $options['time'] : false;
if ( !($title instanceof Title) ) {
$title = Title::makeTitleSafe( NS_FILE, $title );
if ( !is_object( $title ) ) {
if ( $img && $img->exists() ) {
if ( !$img->isDeleted(File::DELETED_FILE) ) {
return $img;
- } else if ( ($flags & FileRepo::FIND_PRIVATE) && $img->userCan(File::DELETED_FILE) ) {
+ } else if ( !empty( $options['private'] ) && $img->userCan(File::DELETED_FILE) ) {
return $img;
}
}
}
-
+
# Now try redirects
- if ( $flags & FileRepo::FIND_IGNORE_REDIRECT ) {
+ if ( !empty( $options['ignoreRedirect'] ) ) {
return false;
}
- $redir = $this->checkRedirect( $title );
- if( $redir && $redir->getNamespace() == NS_FILE) {
+ $redir = $this->checkRedirect( $title );
+ if( $redir && $title->getNamespace() == NS_FILE) {
$img = $this->newFile( $redir );
if( !$img ) {
return false;
}
return false;
}
-
- /*
- * Find many files at once.
- * @param array $titles, an array of titles
- * @todo Think of a good way to optionally pass timestamps to this function.
+
+ /**
+ * 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( $titles ) {
+ function findFiles( $items ) {
$result = array();
- foreach ( $titles as $index => $title ) {
- $file = $this->findFile( $title );
- if ( $file )
+ foreach ( $items as $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 mixed $sha1 SHA-1 key
- * @param mixed $time 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.
+ * @param $sha1 Mixed: base 36 SHA-1 hash
+ * @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.
+ *
+ * @return File
*/
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 );
+ if ( $this->fileFactoryKey ) {
+ return call_user_func( $this->fileFactoryKey, $sha1, $this );
+ }
}
+ return false;
}
-
+
/**
* 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 string $sha1 string
- * @param mixed $time 14-character timestamp, or false for the current version
+ * @param $sha1 String base 36 SHA-1 hash
+ * @param $options Option array, same as findFile().
*/
- function findFileFromKey( $sha1, $time = false, $flags = 0 ) {
+ function findFileFromKey( $sha1, $options = array() ) {
+ $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 ) {
# Now try an old version of the file
if ( $time !== false ) {
$img = $this->newFileFromKey( $sha1, $time );
- if ( $img->exists() ) {
+ if ( $img && $img->exists() ) {
if ( !$img->isDeleted(File::DELETED_FILE) ) {
return $img;
- } else if ( ($flags & FileRepo::FIND_PRIVATE) && $img->userCan(File::DELETED_FILE) ) {
+ } else if ( !empty( $options['private'] ) && $img->userCan(File::DELETED_FILE) ) {
return $img;
}
}
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
*/
/**
* Get the name of an image from its title object
+ * @param $title Title
*/
function getNameFromTitle( $title ) {
- global $wgCapitalLinks;
- if ( $this->initialCapital != $wgCapitalLinks ) {
+ if ( $this->initialCapital != MWNamespace::isCapitalized( NS_FILE ) ) {
global $wgContLang;
$name = $title->getUserCaseDBKey();
if ( $this->initialCapital ) {
return $path;
}
}
-
+
/**
* Get a relative path including trailing slash, e.g. f/fa/
* If the repo is not hashed, returns an empty string
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
# We use "Image:" as the canonical namespace for
# compatibility across all MediaWiki versions,
# and just sort of hope index.php is right. ;)
- return $this->scriptDirUrl .
- "/index.php?title=Image:$encName";
+ return $this->makeUrl( "title=Image:$encName" );
}
return false;
}
* 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 string $name Name of image to fetch
- * @param string $lang Language to fetch it in, if any.
+ * @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';
$query .= '&uselang=' . $lang;
}
if ( isset( $this->scriptDirUrl ) ) {
- return $this->scriptDirUrl . '/index.php?title=' .
+ return $this->makeUrl(
+ 'title=' .
wfUrlencode( 'Image:' . $name ) .
- "&$query";
+ "&$query" );
} else {
$descUrl = $this->getDescriptionUrl( $name );
if ( $descUrl ) {
}
}
}
+
+ /**
+ * 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 string $srcPath Source path or virtual URL
- * @param string $dstZone Destination zone
- * @param string $dstRel Destination relative path
- * @param integer $flags Bitwise combination of the following flags:
+ * @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
/**
* Store a batch of files
*
- * @param array $triplets (src,zone,dest) triplets as per store()
- * @param integer $flags Flags as per store
+ * @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 string $originalName The base name of the file as specified
+ * @param $originalName String: the base name of the file as specified
* by the user. The file extension will be maintained.
- * @param string $srcPath The current location of the file.
+ * @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, OR queue
+ * the appending operation in anticipation of a later appendFinish() call.
+ * @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 );
+
+ /**
+ * Finish the append operation.
+ * @param $toAppendPath String: path to append to.
+ * @return mixed Status or false
+ */
+ abstract function appendFinish( $toAppendPath );
+
/**
* Remove a temporary file or mark it for garbage collection
- * @param string $virtualUrl The virtual URL returned by storeTemp
- * @return boolean True on success, false on failure
+ * @param $virtualUrl String: the virtual URL returned by storeTemp
+ * @return Boolean: true on success, false on failure
* STUB
*/
function freeTemp( $virtualUrl ) {
* Returns a FileRepoStatus object. On success, the value contains "new" or
* "archived", to indicate whether the file was new with that name.
*
- * @param string $srcPath The source path or URL
- * @param string $dstRel The destination relative path
- * @param string $archiveRel The relative path where the existing file is to
+ * @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 integer $flags Bitfield, may be FileRepo::DELETE_SOURCE to indicate
+ * @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 ) {
/**
* Publish a batch of files
- * @param array $triplets (source,dest,archive) triplets as per publish()
- * @param integer $flags Bitfield, may be FileRepo::DELETE_SOURCE to indicate
+ * @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.
*
* 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 array $sourceDestPairs Array of source/destination pairs. Each element
+ * @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.
* 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 mixed $srcRel Relative path for the file to be deleted
- * @param mixed $archiveRel Relative path for the archive location.
+ * @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 WikiError object (wikitext-formatted), or true for success
+ * @return FileRepoStatus object
*/
function delete( $srcRel, $archiveRel ) {
return $this->deleteBatch( array( array( $srcRel, $archiveRel ) ) );
function newFatal( $message /*, parameters...*/ ) {
$params = func_get_args();
array_unshift( $params, $this );
- return call_user_func_array( array( 'FileRepoStatus', 'newFatal' ), $params );
+ return MWInit::callStaticMethod( 'FileRepoStatus', 'newFatal', $params );
}
/**
* title object. If not, return false.
* STUB
*
- * @param Title $title Title of image
+ * @param $title Title of image
+ * @return Bool
*/
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.
*
- * @param Title $title Title of image
- */
- function invalidateImageRedirect( $title ) {
- global $wgMemc;
- $memcKey = $this->getMemcKey( "image_redirect:" . md5( $title->getPrefixedDBkey() ) );
- $wgMemc->delete( $memcKey );
- }
-
+ * 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.
+ * Get the human-readable name of the repo.
* @return string
*/
public function getDisplayName() {
// We don't name our own repo, return nothing
- if ( $this->name == 'local' ) {
+ if ( $this->isLocal() ) {
return null;
}
- $repoName = wfMsg( 'shared-repo-name-' . $this->name );
- if ( !wfEmptyMsg( 'shared-repo-name-' . $this->name, $repoName ) ) {
- return $repoName;
- }
- return wfMsg( 'shared-repo' );
- }
-
- function getSlaveDB() {
- return wfGetDB( DB_SLAVE );
+ // 'shared-repo-name-wikimediacommons' is used when $wgUseInstantCommons = true
+ return wfMessageFallback( 'shared-repo-name-' . $this->name, 'shared-repo' )->text();
}
- function getMasterDB() {
- return wfGetDB( DB_MASTER );
+ /**
+ * Returns true if this the local file repository.
+ *
+ * @return bool
+ */
+ function isLocal() {
+ return $this->getName() == 'local';
}
- function getMemcKey( $key ) {
- return wfWikiID( $this->getSlaveDB() ) . ":{$key}";
+
+ /**
+ * 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 );
+ }
+
+ /**
+ * Get an UploadStash associated with this repo.
+ *
+ * @return UploadStash
+ */
+ function getUploadStash() {
+ return new UploadStash( $this );
+ }
}
dépôts / lhc / web / wiklou.git / blobdiff