Implements uploading from chunks. More...

Inheritance diagram for UploadFromChunks:

Collaboration diagram for UploadFromChunks:

Public Member Functions
	__construct (User $user, $stash=false, $repo=false)
	Setup local pointers to stash, repo and user (similar to UploadFromStash) More...

	addChunk ($chunkPath, $chunkSize, $offset)
	Add a chunk to the temporary directory. More...

	concatenateChunks ()
	Append the final chunk and ready file for parent::performUpload() More...

	continueChunks ($name, $key, $webRequestUpload)
	Continue chunk uploading. More...

	getOffset ()
	Get the offset at which the next uploaded chunk will be appended to. More...

	getVirtualChunkLocation ($index)
	Returns the virtual chunk location: More...

Public Member Functions inherited from UploadFromFile
	getSourceType ()

	initialize ($name, $webRequestUpload)
	Initialize from a filename and a WebRequestUpload. More...

	initializeFromRequest (&$request)

	verifyUpload ()

Public Member Functions inherited from UploadBase
	__construct ()

	checkSvgScriptCallback ($element, $attribs, $data=null)

	checkWarnings ()
	Check for non fatal problems with the file. More...

	cleanupTempFile ()
	If we've modified the upload file we need to manually remove it on exit to clean up. More...

	convertVerifyErrorToStatus ($error)

	fetchFile ()
	Fetch the file. More...

	getFileSize ()
	Return the file size. More...

	getImageInfo ($result)
	Gets image info about the file just uploaded. More...

	getLocalFile ()
	Return the local file and initializes if necessary. More...

	getRealPath ($srcPath)

	getSourceType ()
	Returns the upload type. More...

	getStashFile ()

	getTempFileSha1Base36 ()
	Get the base 36 SHA1 of the file. More...

	getTempPath ()

	getTitle ()
	Returns the title of the file to be uploaded. More...

	getVerificationErrorCode ($error)

	initializeFromRequest (&$request)
	Initialize from a WebRequest. More...

	initializePathInfo ($name, $tempPath, $fileSize, $removeTempFile=false)
	Initialize the path information. More...

	isEmptyFile ()
	Return true if the file is empty. More...

	performUpload ($comment, $pageText, $watch, $user, $tags=[])
	Really perform the upload. More...

	postProcessUpload ()
	Perform extra steps after a successful upload. More...

	stashFile (User $user=null)
	If the user does not supply all necessary information in the first upload form submission (either by accident or by design) then we may want to stash the file temporarily, get more information, and publish the file later. More...

	stashFileGetKey ()
	Stash a file in a temporary directory, returning a key which can be used to find the file again. More...

	stashSession ()
	alias for stashFileGetKey, for backwards compatibility More...

	tryStashFile (User $user, $isPartial=false)
	Like stashFile(), but respects extensions' wishes to prevent the stashing. More...

	validateName ()
	Verify that the name is valid and, if necessary, that we can overwrite. More...

	verifyPermissions ($user)
	Alias for verifyTitlePermissions. More...

	verifyTitlePermissions ($user)
	Check whether the user can edit, upload and create the image. More...

	verifyUpload ()
	Verify whether the upload is sane. More...

	zipEntryCallback ($entry)
	Callback for ZipDirectoryReader to detect Java class files. More...

Protected Member Functions
	doStashFile (User $user=null)
	Calls the parent doStashFile and updates the uploadsession table to handle "chunks". More...

Protected Member Functions inherited from UploadBase
	detectScriptInSvg ($filename, $partial)

	doStashFile (User $user=null)
	Implementation for stashFile() and tryStashFile(). More...

	runUploadStashFileHook (User $user)

	setTempFile ($tempPath, $fileSize=null)

	verifyFile ()
	Verifies that it's ok to include the uploaded file. More...

	verifyMimeType ($mime)
	Verify the MIME type. More...

	verifyPartialFile ()
	A verification routine suitable for partial files. More...

Protected Attributes
	$mChunkIndex

	$mFileKey

	$mOffset

	$mVirtualTempPath

Protected Attributes inherited from UploadFromFile
WebRequestUpload	$mUpload = null

Protected Attributes inherited from UploadBase
	$mBlackListedExtensions

	$mDesiredDestName

	$mFilteredName

	$mJavaDetected

	$mLocalFile

string	$mTempPath
	Local file system path to the file to upload (or a local copy) More...

	$mTitle = false

TempFSFile null	$tempFileObj
	Wrapper to handle deleting the temp file. More...

Private Member Functions
	getChunkFileKey ($index=null)

	getChunkIndex ()
	Get the current Chunk index. More...

	getChunkStatus ()
	Get the chunk db state and populate update relevant local values. More...

	outputChunk ($chunkPath)
	Output the chunk to disk. More...

	updateChunkStatus ()
	Update the chunk db table with the current status: More...

	verifyChunk ()
	Verify that the chunk isn't really an evil html file. More...

Private Attributes
LocalRepo	$repo

Additional Inherited Members
Static Public Member Functions inherited from UploadFromFile
static	isValidRequest ($request)

Static Public Member Functions inherited from UploadBase
static	checkFileExtension ($ext, $list)
	Perform case-insensitive match against a list of file extensions. More...

static	checkFileExtensionList ($ext, $list)
	Perform case-insensitive match against a list of file extensions. More...

static	checkSvgPICallback ($target, $data)
	Callback to filter SVG Processing Instructions. More...

static	checkXMLEncodingMissmatch ($file)
	Check a whitelist of xml encodings that are known not to be interpreted differently by the server's xml parser (expat) and some common browsers. More...

static	createFromRequest (&$request, $type=null)
	Create a form of UploadBase depending on wpSourceType and initializes it. More...

static	detectScript ($file, $mime, $extension)
	Heuristic for detecting files that could contain JavaScript instructions or things that may look like HTML to a browser and are thus potentially harmful. More...

static	detectVirus ($file)
	Generic wrapper function for a virus scanner program. More...

static	getExistsWarning ($file)
	Helper function that does various existence checks for a file. More...

static	getFilenamePrefixBlacklist ()
	Get a list of blacklisted filename prefixes from [[MediaWiki:Filename-prefix-blacklist]]. More...

static	getMaxPhpUploadSize ()
	Get the PHP maximum uploaded file size, based on ini settings. More...

static	getMaxUploadSize ($forType=null)
	Get the MediaWiki maximum uploaded file size for given type of upload, based on $wgMaxUploadSize. More...

static	getSessionStatus (User $user, $statusKey)
	Get the current status of a chunked upload (used for polling) More...

static	isAllowed ($user)
	Returns true if the user can use this upload module or else a string identifying the missing permission. More...

static	isEnabled ()
	Returns true if uploads are enabled. More...

static	isThrottled ($user)
	Returns true if the user has surpassed the upload rate limit, false otherwise. More...

static	isThumbName ($filename)
	Helper function that checks whether the filename looks like a thumbnail. More...

static	isValidRequest ($request)
	Check whether a request if valid for this handler. More...

static	setSessionStatus (User $user, $statusKey, $value)
	Set the current status of a chunked upload (used for polling) More...

static	splitExtensions ($filename)
	Split a file into a base name and all dot-delimited 'extensions' on the end. More...

static	userCanReUpload (User $user, File $img)
	Check if a user is the last uploader. More...

static	verifyExtension ($mime, $extension)
	Checks if the MIME type of the uploaded file matches the file extension. More...

Public Attributes inherited from UploadBase
	$mDestName

	$mFileProps

	$mFileSize

	$mFinalExtension

	$mRemoveTempFile

	$mSourceType

	$mStashFile

	$mSVGNSError

	$mTitleError = 0

const	EMPTY_FILE = 3

const	FILE_TOO_LARGE = 12

const	FILENAME_TOO_LONG = 14

const	FILETYPE_BADTYPE = 9

const	FILETYPE_MISSING = 8

const	HOOK_ABORTED = 11

const	ILLEGAL_FILENAME = 5

const	MIN_LENGTH_PARTNAME = 4

const	OK = 0

const	OVERWRITE_EXISTING_FILE = 7

const	SUCCESS = 0

const	VERIFICATION_ERROR = 10

const	WINDOWS_NONASCII_FILENAME = 13

Static Protected Attributes inherited from UploadBase
static	$safeXmlEncodings

Detailed Description

Implements uploading from chunks.

Author: Michael Dale

Definition at line 30 of file UploadFromChunks.php.

Constructor & Destructor Documentation

UploadFromChunks::__construct	(	User	$user,
			$stash = `false`,
			$repo = `false`
	)

Setup local pointers to stash, repo and user (similar to UploadFromStash)

Parameters

User	$user
UploadStash \| bool	$stash	Default: false
FileRepo \| bool	$repo	Default: false

Definition at line 45 of file UploadFromChunks.php.

References $repo, $user, User\getId(), RepoGroup\singleton(), user, and wfDebug().

Member Function Documentation

UploadFromChunks::addChunk	(	$chunkPath,
		$chunkSize,
		$offset
	)

Add a chunk to the temporary directory.

Parameters

string	$chunkPath	Path to temporary chunk file
int	$chunkSize	Size of the current chunk
int	$offset	Offset of current chunk ( mutch match database chunk offset )