Implements uploading from a HTTP resource. More...

Collaboration diagram for UploadFromUrl:

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Public Member Functions
	canFetchFile ()
	verify we can actually download the file

	fetchFile ( $httpOptions=[])
	Download the file.

	getSourceType ()

	getUrl ()
	Get the URL of the file to be uploaded.

	initialize ( $name, $url)
	Entry point for API upload.

	initializeFromRequest (&$request)
	Entry point for SpecialUpload.

	saveTempFileChunk ( $req, $buffer)
	Callback: save a chunk of the result of a HTTP request to the temporary file.

Public Member Functions inherited from UploadBase
	__construct ()

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

	checkWarnings ( $user=null)
	Check for non fatal problems with the file.

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

	convertVerifyErrorToStatus ( $error)

	fetchFile ()
	Fetch the file.

	getDesiredDestName ()
	Get the desired destination name.

	getFileSize ()
	Return the file size.

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

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

	getRealPath ( $srcPath)

	getStashFile ()

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

	getTempPath ()

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

	getVerificationErrorCode ( $error)

	initializePathInfo ( $name, $tempPath, $fileSize, $removeTempFile=false)

	isEmptyFile ()
	Return true if the file is empty.

	performUpload ( $comment, $pageText, $watch, $user, $tags=[], ?string $watchlistExpiry=null)
	Really perform the upload.

	postProcessUpload ()
	Perform extra steps after a successful upload.

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

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

	verifyPermissions (Authority $performer)
	Alias for verifyTitlePermissions.

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

	verifyUpload ()
	Verify whether the upload is sensible.

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

Static Public Member Functions
static	getCacheKey ( $params)
	Provides a caching key for an upload from url set of parameters Used to set the status of an async job in UploadFromUrlJob and retreive it in frontend clients like ApiUpload.

static	getCacheKeyFromRequest (&$request)
	Get the caching key from a web request.

static	isAllowed (Authority $performer)
	Checks if the user is allowed to use the upload-by-URL feature.

static	isAllowedHost ( $url)
	Checks whether the URL is for an allowed host The domains in the allowlist can include wildcard characters (*) in place of any of the domain levels, e.g.

static	isAllowedUrl ( $url)
	Checks whether the URL is not allowed.

static	isEnabled ()
	Checks if the upload from URL feature is enabled.

static	isValidRequest ( $request)

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

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

static	checkSvgExternalDTD ( $type, $publicId, $systemId)
	Verify that DTD URLs referenced are only the standard DTDs.

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

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

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

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.

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

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

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

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

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

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

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

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

static	makeWarningsSerializable ( $warnings)
	Convert the warnings array returned by checkWarnings() to something that can be serialized.

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

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

static	unserializeWarnings ( $warnings)
	Convert the serialized warnings array created by makeWarningsSerializable() back to the output of checkWarnings().

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

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

Protected Member Functions
	makeTemporaryFile ()
	Create a new temporary file in the URL subdirectory of wfTempDir().

	reallyFetchFile ( $httpOptions=[])
	Download the file, save it to the temporary file and update the file size and set $mRemoveTempFile to true.

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

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

	runUploadStashFileHook (User $user)

	setTempFile ( $tempPath, $fileSize=null)

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

	verifyMimeType ( $mime)
	Verify the MIME type.

	verifyPartialFile ()
	A verification routine suitable for partial files.

Protected Attributes
resource null false	$mTmpHandle

string	$mUrl

Protected Attributes inherited from UploadBase
string[]	$mBlackListedExtensions

string null	$mDesiredDestName

string null	$mDestName

array null	$mFileProps

int null	$mFileSize

string null	$mFilteredName

string null	$mFinalExtension

bool null	$mJavaDetected

LocalFile null	$mLocalFile

bool null	$mRemoveTempFile

string null	$mSourceType

UploadStashFile null	$mStashFile

string false	$mSVGNSError

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

Title false null	$mTitle = false

int	$mTitleError = 0

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

Static Protected Attributes
static array< string, bool >	$allowedUrls = []

Additional Inherited Members
Public Attributes inherited from UploadBase
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

Detailed Description

Implements uploading from a HTTP resource.

Author: Bryan Tong Minh; Michael Dale

Definition at line 39 of file UploadFromUrl.php.

Member Function Documentation

◆ canFetchFile()

UploadFromUrl::canFetchFile ( )

verify we can actually download the file

Returns: Status

Reimplemented from UploadBase.

Definition at line 286 of file UploadFromUrl.php.

◆ fetchFile()

UploadFromUrl::fetchFile ( $httpOptions = [] )

Download the file.

Parameters

array $httpOptions Array of options for MWHttpRequest. This could be used to override the timeout on the http request.

Returns: Status

Definition at line 273 of file UploadFromUrl.php.

◆ getCacheKey()

static UploadFromUrl::getCacheKey ( $params )

static

Provides a caching key for an upload from url set of parameters Used to set the status of an async job in UploadFromUrlJob and retreive it in frontend clients like ApiUpload.

Will return the empty string if not all parameters are present.

Parameters

array $params

Returns: string

Definition at line 131 of file UploadFromUrl.php.

References $params.

◆ getCacheKeyFromRequest()

static UploadFromUrl::getCacheKeyFromRequest ( & $request )

static

Get the caching key from a web request.

Parameters

WebRequest &$request

Returns: string

Definition at line 148 of file UploadFromUrl.php.

References getCacheKey().

◆ getSourceType()

UploadFromUrl::getSourceType ( )

Returns: string

Reimplemented from UploadBase.

Definition at line 262 of file UploadFromUrl.php.

◆ getUrl()

UploadFromUrl::getUrl ( )

Get the URL of the file to be uploaded.

Returns: string

Definition at line 211 of file UploadFromUrl.php.

◆ initialize()

UploadFromUrl::initialize	(		$name,
			$url )

Entry point for API upload.

Parameters

string	$name
string	$url

Definition at line 221 of file UploadFromUrl.php.

References $url.

Referenced by UploadFromUrlJob\getUpload(), and MediaWiki\Api\ApiUpload\selectUploadModule().

◆ initializeFromRequest()

UploadFromUrl::initializeFromRequest ( & $request )

Entry point for SpecialUpload.

Parameters

WebRequest &$request

Reimplemented from UploadBase.

Definition at line 233 of file UploadFromUrl.php.

◆ isAllowed()

static UploadFromUrl::isAllowed ( Authority $performer )

static

Checks if the user is allowed to use the upload-by-URL feature.

If the user is not allowed, return the name of the user right as a string. If the user is allowed, have the parent do further permissions checking.

Parameters

Authority $performer

Returns: bool|string

Reimplemented from UploadBase.

Definition at line 58 of file UploadFromUrl.php.

References MediaWiki\Permissions\Authority\isAllowed().

◆ isAllowedHost()

static UploadFromUrl::isAllowedHost ( $url )

static

Checks whether the URL is for an allowed host The domains in the allowlist can include wildcard characters (*) in place of any of the domain levels, e.g.

'*.flickr.com' or 'upload.*.gov.uk'.

Parameters

string $url

Returns: bool

Definition at line 84 of file UploadFromUrl.php.

References $url, and wfGetUrlUtils().

◆ isAllowedUrl()

static UploadFromUrl::isAllowedUrl ( $url )

static

Checks whether the URL is not allowed.

Parameters

string $url

Returns: bool

Definition at line 196 of file UploadFromUrl.php.

References $url.

◆ isEnabled()

static UploadFromUrl::isEnabled ( )

static

Checks if the upload from URL feature is enabled.

Returns: bool

Reimplemented from UploadBase.

Definition at line 70 of file UploadFromUrl.php.

◆ isValidRequest()

static UploadFromUrl::isValidRequest ( $request )

static

Parameters

WebRequest $request

Returns: bool

Reimplemented from UploadBase.

Definition at line 248 of file UploadFromUrl.php.

References $url.

◆ makeTemporaryFile()

UploadFromUrl::makeTemporaryFile ( )

protected

Create a new temporary file in the URL subdirectory of wfTempDir().

Returns: string Path to the file

Definition at line 305 of file UploadFromUrl.php.

◆ reallyFetchFile()

UploadFromUrl::reallyFetchFile ( $httpOptions = [] )

protected

Download the file, save it to the temporary file and update the file size and set $mRemoveTempFile to true.

Parameters

array $httpOptions Array of options for MWHttpRequest

Returns: Status

Definition at line 347 of file UploadFromUrl.php.

References wfDebugLog().

◆ saveTempFileChunk()

UploadFromUrl::saveTempFileChunk	(		$req,
			$buffer )

Callback: save a chunk of the result of a HTTP request to the temporary file.

Parameters

mixed	$req
string	$buffer

Returns: int Number of bytes handled

Definition at line 320 of file UploadFromUrl.php.

References wfDebugLog().

Member Data Documentation

◆ $allowedUrls

array<string,bool> UploadFromUrl::$allowedUrls = []

staticprotected

Definition at line 47 of file UploadFromUrl.php.

◆ $mTmpHandle

resource null false UploadFromUrl::$mTmpHandle

protected

Definition at line 44 of file UploadFromUrl.php.

◆ $mUrl

string UploadFromUrl::$mUrl

protected

Definition at line 41 of file UploadFromUrl.php.

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

includes/upload/UploadFromUrl.php

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ canFetchFile()

◆ fetchFile()

◆ getCacheKey()

◆ getCacheKeyFromRequest()

◆ getSourceType()

◆ getUrl()

◆ initialize()

◆ initializeFromRequest()

◆ isAllowed()

◆ isAllowedHost()

◆ isAllowedUrl()

◆ isEnabled()

◆ isValidRequest()

◆ makeTemporaryFile()

◆ reallyFetchFile()

◆ saveTempFileChunk()

Member Data Documentation

◆ $allowedUrls

◆ $mTmpHandle

◆ $mUrl