FancyCaptcha for displaying captchas precomputed by captcha.py. More...

Inheritance diagram for FancyCaptcha:

Collaboration diagram for FancyCaptcha:

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Public Member Functions
	describeCaptchaType ()

	estimateCaptchaCount ()

	getBackend ()

	getCaptcha ()
	Returns an array with 'salt' and 'hash' keys.

	getCaptchaCount ()

	getCaptchaInfo ( $captchaData, $id)

	getFormInformation ( $tabIndex=1)

	hashFromImageName ( $basename)

	imagePath ( $salt, $hash)

	onAuthChangeFormFields (array $requests, array $fieldInfo, array &$formDescriptor, $action)

	showImage ()

Public Member Functions inherited from SimpleCaptcha
	addFormInformationToOutput (OutputPage $out, array $formInformation)
	Processes the given $formInformation array and adds the options (see getFormInformation()) to the given OutputPage object.

	addFormToOutput (OutputPage $out, $tabIndex=1)
	Uses getFormInformation() to get the CAPTCHA form and adds it to the given OutputPage object.

	apiGetAllowedParams (&$module, &$params, $flags)

	canSkipCaptcha ( $user, Config $config)
	Check whether the user provided / IP making the request is allowed to skip captchas.

	captchaTriggers ( $title, $action)

	clearCaptcha ( $index)
	Clear out existing captcha info from the session, to ensure it can't be reused.

	confirmEditMerged ( $context, $content, $status, $summary, $user, $minorEdit)
	An efficient edit filter callback based on the text after section merging.

	confirmEmailUser ( $from, $to, $subject, $text, &$error)
	Check the captcha on Special:EmailUser.

	createAuthenticationRequest ()

	editShowCaptcha ( $editPage)
	Insert the captcha prompt into an edit form.

	getError ()
	Return the error from the last passCaptcha* call.

	getMessage ( $action)
	Show a message asking the user to enter a captcha on edit The result will be treated as wiki text.

	increaseBadLoginCounter ( $username)
	Increase bad login counter after a failed login.

	injectEmailUser (&$form)
	Inject whazawhoo @fixme if multiple thingies insert a header, could break.

	isBadLoginPerUserTriggered ( $u)
	Is the per-user captcha triggered?

	isBadLoginTriggered ()
	Check if a bad login has already been registered for this IP address.

	needCreateAccountCaptcha (User $creatingUser=null)
	Logic to check if we need to pass a captcha for the current user to create a new account, or not.

	passCaptchaFromRequest (WebRequest $request, User $user)
	Given a required captcha run, test form input for correct input on the open session.

	passCaptchaLimited ( $index, $word, User $user)
	Checks, if the user reached the amount of false CAPTCHAs and give him some vacation or run self::passCaptcha() and clear counter if correct.

	passCaptchaLimitedFromRequest (WebRequest $request, User $user)
	Checks, if the user reached the amount of false CAPTCHAs and give him some vacation or run self::passCaptcha() and clear counter if correct.

	resetBadLoginCounter ( $username)
	Reset bad login counter after a successful login.

	retrieveCaptcha ( $index)
	Fetch this session's captcha info.

	setAction ( $action)

	setTrigger ( $trigger)

	shouldCheck (WikiPage $page, $content, $section, $context, $oldtext=null)

	showEditFormFields (&$editPage, &$out)
	Show error message for missing or incorrect captcha on EditPage.

	showHelp ()
	Show a page explaining what this wacky thing is.

	storeCaptcha ( $info)
	Generate a captcha session ID and save the info in PHP's session storage.

	triggersCaptcha ( $action, $title=null)
	Checks, whether the passed action should trigger a CAPTCHA.

Protected Member Functions
	addCaptchaAPI (&$resultArr)

	keyMatch ( $answer, $info)
	Check if the submitted form matches the captcha session data provided by the plugin when the form was generated.

	passCaptcha ( $index, $word)
	Delete a solved captcha image, if $wgCaptchaDeleteOnSolve is true.

	pickImage ()
	Select a previously generated captcha image from the queue.

	pickImageDir ( $directory, $levels, &$lockouts)

	pickImageFromDir ( $directory, &$lockouts)

	pickImageFromList ( $directory, array $files, &$lockouts)

Protected Member Functions inherited from SimpleCaptcha
	getCaptchaParamsFromRequest (WebRequest $request)

	isAPICaptchaModule ( $module)

	log ( $message)
	Log the status and any triggering info for debugging or statistics.

Static Protected Attributes
static	$messagePrefix = 'fancycaptcha-'

Static Protected Attributes inherited from SimpleCaptcha
static	$messagePrefix = 'captcha-'

Additional Inherited Members
Protected Attributes inherited from SimpleCaptcha
string	$action
	Used to select the right message.

string	$trigger
	Used in log messages.

Detailed Description

FancyCaptcha for displaying captchas precomputed by captcha.py.

Definition at line 9 of file FancyCaptcha.php.

Member Function Documentation

◆ addCaptchaAPI()

FancyCaptcha::addCaptchaAPI ( & $resultArr )

protected

Parameters

array &$resultArr

Reimplemented from SimpleCaptcha.

Definition at line 86 of file FancyCaptcha.php.

References describeCaptchaType(), pickImage(), and SimpleCaptcha\storeCaptcha().

◆ describeCaptchaType()

FancyCaptcha::describeCaptchaType ( )

Returns: array

Reimplemented from SimpleCaptcha.

Definition at line 102 of file FancyCaptcha.php.

Referenced by addCaptchaAPI().

◆ estimateCaptchaCount()

FancyCaptcha::estimateCaptchaCount ( )

Deprecated: Use getCaptchaCount instead for an accurate figure

Returns: int Number of captcha files

Definition at line 43 of file FancyCaptcha.php.

References getCaptchaCount(), and wfDeprecated().

◆ getBackend()

FancyCaptcha::getBackend ( )

Returns: FileBackend

Definition at line 17 of file FancyCaptcha.php.

References FileBackendGroup\singleton(), and wfWikiID().

Referenced by getCaptchaCount(), imagePath(), passCaptcha(), pickImage(), pickImageDir(), pickImageFromDir(), pickImageFromList(), and showImage().

◆ getCaptcha()

FancyCaptcha::getCaptcha ( )

Returns an array with 'salt' and 'hash' keys.

Hash is md5( $wgCaptchaSecret . $salt . $answer . $wgCaptchaSecret . $salt )[0..15]

Returns: array

Exceptions

Exception When a captcha image cannot be produced.

Reimplemented from SimpleCaptcha.

Definition at line 443 of file FancyCaptcha.php.

References pickImage().

Referenced by getFormInformation().

◆ getCaptchaCount()

FancyCaptcha::getCaptchaCount ( )

Returns: int Number of captcha files

Definition at line 51 of file FancyCaptcha.php.

References getBackend().

Referenced by estimateCaptchaCount().

◆ getCaptchaInfo()

FancyCaptcha::getCaptchaInfo	(		$captchaData,
			$id )

Parameters

array	$captchaData
string	$id

Returns: string

Reimplemented from SimpleCaptcha.

Definition at line 456 of file FancyCaptcha.php.

Referenced by onAuthChangeFormFields().

◆ getFormInformation()

FancyCaptcha::getFormInformation ( $tabIndex = 1 )

Parameters

int $tabIndex

Returns: array

Reimplemented from SimpleCaptcha.

Definition at line 113 of file FancyCaptcha.php.

References $modules, getCaptcha(), SimpleCaptcha\storeCaptcha(), text, and wfMessage().

◆ hashFromImageName()

FancyCaptcha::hashFromImageName ( $basename )

Parameters

string $basename

Returns: array (salt, hash)

Exceptions

Exception

Definition at line 409 of file FancyCaptcha.php.

References $matches.

◆ imagePath()

FancyCaptcha::imagePath	(		$salt,
			$hash )

Parameters

string	$salt
string	$hash

Returns: string

Definition at line 392 of file FancyCaptcha.php.

References getBackend().

Referenced by passCaptcha(), and showImage().

◆ keyMatch()

FancyCaptcha::keyMatch	(		$answer,
			$info )

protected

Check if the submitted form matches the captcha session data provided by the plugin when the form was generated.

Parameters

string	$answer
array	$info

Returns: bool

Reimplemented from SimpleCaptcha.

Definition at line 68 of file FancyCaptcha.php.

References wfDebug().

◆ onAuthChangeFormFields()

FancyCaptcha::onAuthChangeFormFields	(	array	$requests,
		array	$fieldInfo,
		array &	$formDescriptor,
			$action )

Parameters

array	$requests
array	$fieldInfo
array	&$formDescriptor
string	$action

Reimplemented from SimpleCaptcha.

Definition at line 467 of file FancyCaptcha.php.

References SimpleCaptcha\$action, $formDescriptor, $req, $requests, getCaptchaInfo(), and SimpleCaptcha\getMessage().

◆ passCaptcha()

FancyCaptcha::passCaptcha	(		$index,
			$word )

protected

Delete a solved captcha image, if $wgCaptchaDeleteOnSolve is true.

@inheritDoc

Reimplemented from SimpleCaptcha.

Definition at line 421 of file FancyCaptcha.php.

References getBackend(), imagePath(), and SimpleCaptcha\retrieveCaptcha().

◆ pickImage()

FancyCaptcha::pickImage ( )

protected

Select a previously generated captcha image from the queue.

Returns: mixed tuple of (salt key, text hash) or false if no image to find

Definition at line 189 of file FancyCaptcha.php.

References getBackend(), and pickImageDir().

Referenced by addCaptchaAPI(), and getCaptcha().

◆ pickImageDir()

FancyCaptcha::pickImageDir	(		$directory,
			$levels,
		&	$lockouts )

protected

Parameters

string	$directory
int	$levels
int	&$lockouts

Returns: array|bool

Definition at line 204 of file FancyCaptcha.php.

References $dirs, $wgMemc, getBackend(), pickImageDir(), pickImageFromDir(), and wfDebug().

Referenced by pickImage(), and pickImageDir().

◆ pickImageFromDir()

FancyCaptcha::pickImageFromDir	(		$directory,
		&	$lockouts )

protected

Parameters

string	$directory
int	&$lockouts

Returns: array|bool

Definition at line 265 of file FancyCaptcha.php.

References $wgMemc, getBackend(), pickImageFromList(), and wfDebug().

Referenced by pickImageDir().

◆ pickImageFromList()

FancyCaptcha::pickImageFromList	(		$directory,
		array	$files,
		&	$lockouts )

protected

Parameters

string	$directory
array	$files
int	&$lockouts

Returns: array|bool

Definition at line 312 of file FancyCaptcha.php.

References $matches, $wgMemc, add, and getBackend().

Referenced by pickImageFromDir().

◆ showImage()

FancyCaptcha::showImage ( )

Returns: bool|StatusValue

Definition at line 362 of file FancyCaptcha.php.

References $wgOut, $wgRequest, getBackend(), imagePath(), SimpleCaptcha\retrieveCaptcha(), SimpleCaptcha\storeCaptcha(), and wfHttpError().

Member Data Documentation

◆ $messagePrefix

FancyCaptcha::$messagePrefix = 'fancycaptcha-'

staticprotected

Definition at line 12 of file FancyCaptcha.php.

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

extensions/ConfirmEdit/FancyCaptcha/includes/FancyCaptcha.php

Public Member Functions

Protected Member Functions

Static Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ addCaptchaAPI()

◆ describeCaptchaType()

◆ estimateCaptchaCount()

◆ getBackend()

◆ getCaptcha()

◆ getCaptchaCount()

◆ getCaptchaInfo()

◆ getFormInformation()

◆ hashFromImageName()

◆ imagePath()

◆ keyMatch()

◆ onAuthChangeFormFields()

◆ passCaptcha()

◆ pickImage()

◆ pickImageDir()

◆ pickImageFromDir()

◆ pickImageFromList()

◆ showImage()

Member Data Documentation

◆ $messagePrefix