ForeignDBViaLBRepo Class Reference

A foreign repository with a MediaWiki database accessible via the configured LBFactory. More...

Inheritance diagram for ForeignDBViaLBRepo:

Collaboration diagram for ForeignDBViaLBRepo:

Public Member Functions
	__construct ( $info)
	getInfo ()
	Return information about the repository.
	getMasterDB ()
	Get a connection to the primary DB.
	getPrimaryDB ()
	Get a connection to the primary DB.
	getReplicaDB ()
	Get a connection to the replica DB.
Public Member Functions inherited from LocalRepo
	__construct (array $info=null)
	checkRedirect ( $title)
	Checks if there is a redirect named as $title.
	cleanupBatch (array $files, $flags=0)
	Deletes a batch of files.
	cleanupDeletedBatch (array $storageKeys)
	Delete files in the deleted directory if they are not referenced in the filearchive table.
	delete ( $srcRel, $archiveRel)
	Move a file to the deletion archive.
	deleteBatch (array $sourceDestPairs)
	Move a group of files to the deletion archive.
	findBySha1 ( $hash)
	Get an array or iterator of file objects for files that have a given SHA-1 content hash.
	findBySha1s (array $hashes)
	Get an array of arrays or iterators of file objects for files that have the given SHA-1 content hashes.
	findFiles (array $items, $flags=0)
	Find many files at once.
	findFilesByPrefix ( $prefix, $limit)
	Return an array of files where the name starts with $prefix.
	getBlobStore ()
	Get a BlobStore for storing and retrieving large metadata, or null if that can't be done.
	getSharedCacheKey ( $kClassSuffix,... $components)
	Get a global, repository-qualified, WAN cache key.
	getSplitMetadataThreshold ()
	Get the threshold above which metadata items should be split into separate storage, or null if no splitting should be done.
	invalidateImageRedirect ( $title)
	Invalidates image redirect cache related to that image.
	isJsonMetadataEnabled ()
	Returns true if files should store metadata in JSON format.
	isMetadataReserializeEnabled ()
	isMetadataUpdateEnabled ()
	isSplitMetadataEnabled ()
	Returns true if files should split up large metadata, storing parts of it in the BlobStore.
	newFileFromRow ( $row)
	newFromArchiveName ( $title, $archiveName)
	publish ( $src, $dstRel, $archiveRel, $flags=0, array $options=[])
	Copy or move a file either from a storage path, virtual URL, or file system path, into this repository at the specified destination location.
	publishBatch (array $ntuples, $flags=0)
	Publish a batch of files.
	store ( $srcPath, $dstZone, $dstRel, $flags=0)
	Store a file to a given destination.
	storeBatch (array $triplets, $flags=0)
	Store a batch of files.
Public Member Functions inherited from FileRepo
	backendSupportsUnicodePaths ()
	canTransformLocally ()
	Returns true if the repository can transform files locally.
	canTransformVia404 ()
	Returns true if the repository can transform files via a 404 handler.
	cleanDir ( $dir)
	Deletes a directory if empty.
	concatenate (array $srcPaths, $dstPath, $flags=0)
	Concatenate a list of temporary files into a target file location.
	enumFiles ( $callback)
	Call a callback function for every public regular file in the repository.
	fileExists ( $file)
	Checks existence of a file.
	fileExistsBatch (array $files)
	Checks existence of an array of files.
	findFile ( $title, $options=[])
	Find an instance of the named file created at the specified time Returns false if the file does not exist.
	findFileFromKey ( $sha1, $options=[])
	Find an instance of the file with this key, created at the specified time Returns false if the file does not exist.
	freeTemp ( $virtualUrl)
	Remove a temporary file or mark it for garbage collection.
	getBackend ()
	Get the file backend instance.
	getDeletedHashPath ( $key)
	Get a relative path for a deletion archive key, e.g.
	getDescriptionRenderUrl ( $name, $lang=null)
	Get the URL of the content-only fragment of the description page.
	getDescriptionStylesheetUrl ()
	Get the URL of the stylesheet to apply to description pages.
	getDescriptionUrl ( $name)
	Get the URL of an image description page.
	getDisplayName ()
	Get the human-readable name of the repo.
	getFileProps ( $virtualUrl)
	Get properties of a file with a given virtual URL/storage path.
	getFileSha1 ( $virtualUrl)
	Get the sha1 (base 36) of a file with a given virtual URL/storage path.
	getFileSize ( $virtualUrl)
	Get the size of a file with a given virtual URL/storage path.
	getFileTimestamp ( $virtualUrl)
	Get the timestamp of a file with a given virtual URL/storage path.
	getHashLevels ()
	Get the number of hash directory levels.
	getHashPath ( $name)
	Get a relative path including trailing slash, e.g.
	getLocalCacheKey ( $kClassSuffix,... $components)
	Get a site-local, repository-qualified, WAN cache key.
	getLocalCopy ( $virtualUrl)
	Get a local FS copy of a file with a given virtual URL/storage path.
	getLocalReference ( $virtualUrl)
	Get a local FS file with a given virtual URL/storage path.
	getName ()
	Get the name of this repository, as specified by $info['name]' to the constructor.
	getNameFromTitle ( $title)
	Get the name of a file from its title.
	getReadOnlyReason ()
	Get an explanatory message if this repo is read-only.
	getRootDirectory ()
	Get the public zone root storage directory of the repository.
	getTempHashPath ( $suffix)
	Get a relative path including trailing slash, e.g.
	getTempRepo ()
	Get a temporary private FileRepo associated with this repo.
	getThumbProxySecret ()
	Get the secret key for the proxied thumb service.
	getThumbProxyUrl ()
	Get the URL thumb.php requests are being proxied to.
	getThumbScriptUrl ()
	Get the URL of thumb.php.
	getUploadStash (UserIdentity $user=null)
	Get an UploadStash associated with this repo.
	getVirtualUrl ( $suffix=false)
	Get a URL referring to this repository, with the private mwrepo protocol.
	getZonePath ( $zone)
	Get the storage path corresponding to one of the zones.
	getZoneUrl ( $zone, $ext=null)
	Get the URL corresponding to one of the four basic zones.
	hasSha1Storage ()
	Returns whether or not storage is SHA-1 based.
	isLocal ()
	Returns true if this the local file repository.
	makeUrl ( $query='', $entry='index')
	Make an url to this repo.
	nameForThumb ( $name)
	Get the portion of the file that contains the origin file name.
	newFatal ( $message,... $parameters)
	Create a new fatal error.
	newFile ( $title, $time=false)
	Create a new File object from the local repository.
	newGood ( $value=null)
	Create a new good result.
	paranoidClean ( $param)
	Path disclosure protection function.
	passThrough ( $param)
	Path disclosure protection function.
	quickCleanDir ( $dir)
	Deletes a directory if empty.
	quickImport ( $src, $dst, $options=null)
	Import a file from the local file system into the repo.
	quickImportBatch (array $triples)
	Import a batch of files from the local file system into the repo.
	quickPurge ( $path)
	Purge a file from the repo.
	quickPurgeBatch (array $paths)
	Purge a batch of files from the repo.
	resolveVirtualUrl ( $url)
	Get the backend storage path corresponding to a virtual URL.
	storeTemp ( $originalName, $srcPath)
	Pick a random name in the temp zone and store a file to it.
	streamFileWithStatus ( $virtualUrl, $headers=[], $optHeaders=[])
	Attempt to stream a file with the given virtual URL/storage path.
	supportsSha1URLs ()
	Returns whether or not repo supports having originals SHA-1s in the thumb URLs.
	validateFilename ( $filename)
	Determine if a relative path is valid, i.e.

Protected Member Functions
	assertWritableRepo ()
	Throw an exception if this repo is read-only by design.
	getDBFactory ()
	getDBLoadBalancer ()
Protected Member Functions inherited from LocalRepo
	deletedFileHasKey ( $key, $lock=null)
	Check if a deleted (filearchive) file has this sha1 key.
	hasAcessibleSharedCache ()
	Check whether the repo has a shared cache, accessible from the current site context.
	hiddenFileHasKey ( $key, $lock=null)
	Check if a hidden (revision delete) file has this sha1 key.
	skipWriteOperationIfSha1 ( $function, array $args)
	Skips the write operation if storage is sha1-based, executes it normally otherwise.
Protected Member Functions inherited from FileRepo
	enumFilesInStorage ( $callback)
	Call a callback function for every public file in the repository.
	getZoneLocation ( $zone)
	The storage container and base path of a zone.
	initDirectory ( $dir)
	Creates a directory with the appropriate zone permissions.
	initZones ( $doZones=[])
	Ensure that a single zone or list of zones is defined for usage.
	resolveToStoragePathIfVirtual ( $path)
	If a path is a virtual URL, resolve it to a storage path.

Protected Attributes
array	$fileFactory = [ ForeignDBFile::class, 'newFromTitle' ]
array	$fileFromRowFactory = [ ForeignDBFile::class, 'newFromRow' ]
Protected Attributes inherited from LocalRepo
BlobStore	$blobStore
string	$dbDomain
	DB domain of the repo wiki.
callable	$fileFactory = [ LocalFile::class, 'newFromTitle' ]
callable	$fileFactoryKey = [ LocalFile::class, 'newFromKey' ]
callable	$fileFromRowFactory = [ LocalFile::class, 'newFromRow' ]
bool	$hasAccessibleSharedCache
	Whether shared cache keys are exposed/accessible.
callable	$oldFileFactory = [ OldLocalFile::class, 'newFromTitle' ]
callable	$oldFileFactoryKey = [ OldLocalFile::class, 'newFromKey' ]
callable	$oldFileFromRowFactory = [ OldLocalFile::class, 'newFromRow' ]
bool	$reserializeMetadata = false
int null	$splitMetadataThreshold = 1000
bool	$updateCompatibleMetadata = false
bool	$useJsonMetadata = true
bool	$useSplitMetadata = false
Protected Attributes inherited from FileRepo
int	$abbrvThreshold
	File names over this size will use the short form of thumbnail names.
string	$articleUrl
	Equivalent to $wgArticlePath, e.g.
FileBackend	$backend
int	$deletedHashLevels
	The number of directory levels for hash-based division of deleted files.
string	$descBaseUrl
	URL of image description pages, e.g.
bool	$disableLocalTransform = false
	Disable local image scaling.
null string	$favicon = null
	The URL to a favicon (optional, may be a server-local path URL).
callable	$fileFactory = [ UnregisteredLocalFile::class, 'newFromTitle' ]
	Override these in the base class.
callable false	$fileFactoryKey = false
	Override these in the base class.
int	$hashLevels
	The number of directory levels for hash-based division of files.
bool	$hasSha1Storage = false
bool	$initialCapital
	Equivalent to $wgCapitalLinks (or $wgCapitalLinkOverrides[NS_FILE], determines whether filenames implicitly start with a capital letter.
bool	$isPrivate
	Whether all zones should be private (e.g.
callable false	$oldFileFactory = false
	Override these in the base class.
callable false	$oldFileFactoryKey = false
	Override these in the base class.
string	$pathDisclosureProtection = 'simple'
	May be 'paranoid' to remove all parameters from error messages, 'none' to leave the paths in unchanged, or 'simple' to replace paths with placeholders.
string	$scriptDirUrl
	URL of the MediaWiki installation, equivalent to $wgScriptPath, e.g.
bool	$supportsSha1URLs = false
string	$thumbProxySecret
	Secret key to pass as an X-Swift-Secret header to the proxied thumb service.
string	$thumbProxyUrl
	URL of where to proxy thumb.php requests to.
string	$thumbScriptUrl
	URL of thumb.php.
string false	$thumbUrl
	The base thumbnail URL.
bool	$transformVia404
	Whether to skip media file transformation on parse and rely on a 404 handler instead.
string false	$url
	Public zone URL.
WANObjectCache	$wanCache
array	$zones = []
	Map of zones to config.

Additional Inherited Members
Static Public Member Functions inherited from LocalRepo
static	getHashFromKey ( $key)
	Gets the SHA1 hash from a storage key.
Static Public Member Functions inherited from FileRepo
static	isVirtualUrl ( $url)
	Determine if a string is an mwrepo:// URL.
Public Attributes inherited from FileRepo
int	$descriptionCacheExpiry
bool	$fetchDescription
	Whether to fetch commons image description pages and display them on the local wiki.
string	$name
const	DELETE_SOURCE = 1
const	NAME_AND_TIME_ONLY = 1
const	OVERWRITE = 2
const	OVERWRITE_SAME = 4
const	SKIP_LOCKING = 8
Static Protected Member Functions inherited from FileRepo
static	getHashPathForLevel ( $name, $levels)

Detailed Description

A foreign repository with a MediaWiki database accessible via the configured LBFactory.

Definition at line 29 of file ForeignDBViaLBRepo.php.

Constructor & Destructor Documentation

__construct()

ForeignDBViaLBRepo::__construct

(

$info

)

Parameters

array | null

$info

Definition at line 39 of file ForeignDBViaLBRepo.php.

Member Function Documentation

assertWritableRepo()

ForeignDBViaLBRepo::assertWritableRepo ( )

protected

Throw an exception if this repo is read-only by design.

This does not and should not check getReadOnlyReason().

Returns

void|never

Exceptions

MWException

Reimplemented from FileRepo.

Definition at line 77 of file ForeignDBViaLBRepo.php.

getDBFactory()

ForeignDBViaLBRepo::getDBFactory ( )

protected

Returns

Closure

Reimplemented from LocalRepo.

Definition at line 62 of file ForeignDBViaLBRepo.php.

References getDBLoadBalancer().

getDBLoadBalancer()

ForeignDBViaLBRepo::getDBLoadBalancer ( )

protected

Returns

ILoadBalancer

Definition at line 71 of file ForeignDBViaLBRepo.php.

Referenced by getDBFactory(), getPrimaryDB(), and getReplicaDB().

getInfo()

ForeignDBViaLBRepo::getInfo

(

)

Return information about the repository.

Returns

array

Since

1.22

Reimplemented from FileRepo.

Definition at line 81 of file ForeignDBViaLBRepo.php.

References FileRepo\getInfo().

getMasterDB()

ForeignDBViaLBRepo::getMasterDB

(

)

Get a connection to the primary DB.

Deprecated

since 1.37

Returns

IDatabase

Reimplemented from LocalRepo.

Definition at line 50 of file ForeignDBViaLBRepo.php.

References getPrimaryDB(), and wfDeprecated().

getPrimaryDB()

ForeignDBViaLBRepo::getPrimaryDB

(

)

Get a connection to the primary DB.

Returns

IDatabase

Since

1.37

Reimplemented from LocalRepo.

Definition at line 46 of file ForeignDBViaLBRepo.php.

References DB_PRIMARY, and getDBLoadBalancer().

Referenced by getMasterDB().

getReplicaDB()

ForeignDBViaLBRepo::getReplicaDB

(

)

Get a connection to the replica DB.

Returns

IDatabase

Reimplemented from LocalRepo.

Definition at line 55 of file ForeignDBViaLBRepo.php.

References DB_REPLICA, and getDBLoadBalancer().

Member Data Documentation

$fileFactory

array ForeignDBViaLBRepo::$fileFactory = [ ForeignDBFile::class, 'newFromTitle' ]

protected

Definition at line 31 of file ForeignDBViaLBRepo.php.

$fileFromRowFactory

array ForeignDBViaLBRepo::$fileFromRowFactory = [ ForeignDBFile::class, 'newFromRow' ]

protected

Definition at line 34 of file ForeignDBViaLBRepo.php.

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The documentation for this class was generated from the following file:

• includes/filerepo/ForeignDBViaLBRepo.php