MediaWiki  master
MediaWiki\Auth\PrimaryAuthenticationProvider Interface Reference

A primary authentication provider is responsible for associating the submitted authentication data with a MediaWiki account. More...

Inheritance diagram for MediaWiki\Auth\PrimaryAuthenticationProvider:
Collaboration diagram for MediaWiki\Auth\PrimaryAuthenticationProvider:

Public Member Functions

 accountCreationType ()
 Fetch the account-creation type. More...
 
 autoCreatedAccount ( $user, $source)
 Post-auto-creation callback. More...
 
 beginPrimaryAccountCreation ( $user, $creator, array $reqs)
 Start an account creation flow. More...
 
 beginPrimaryAccountLink ( $user, array $reqs)
 Start linking an account to an existing user. More...
 
 beginPrimaryAuthentication (array $reqs)
 Start an authentication flow. More...
 
 continuePrimaryAccountCreation ( $user, $creator, array $reqs)
 Continue an account creation flow. More...
 
 continuePrimaryAccountLink ( $user, array $reqs)
 Continue linking an account to an existing user. More...
 
 continuePrimaryAuthentication (array $reqs)
 Continue an authentication flow. More...
 
 finishAccountCreation ( $user, $creator, AuthenticationResponse $response)
 Post-creation callback. More...
 
 getAuthenticationRequests ( $action, array $options)
 Return the applicable list of AuthenticationRequests.Possible values for $action depend on whether the implementing class is also a PreAuthenticationProvider, PrimaryAuthenticationProvider, or SecondaryAuthenticationProvider.

  • ACTION_LOGIN: Valid for passing to beginAuthentication. Called on all providers.
  • ACTION_CREATE: Valid for passing to beginAccountCreation. Called on all providers.
  • ACTION_LINK: Valid for passing to beginAccountLink. Called on linking primary providers only.
  • ACTION_CHANGE: Valid for passing to AuthManager::changeAuthenticationData to change credentials. Called on primary and secondary providers.
  • ACTION_REMOVE: Valid for passing to AuthManager::changeAuthenticationData to remove credentials. Must work without additional user input (i.e. without calling loadFromSubmission). Called on primary and secondary providers.
See also
AuthManager::getAuthenticationRequests()
Parameters
string$action
array$optionsOptions are:
  • username: User name related to the action, or null/unset if anon.
    • ACTION_LOGIN: The currently logged-in user, if any.
    • ACTION_CREATE: The account creator, if non-anonymous.
    • ACTION_LINK: The local user being linked to.
    • ACTION_CHANGE: The user having data changed.
    • ACTION_REMOVE: The user having data removed. If you leave the username property of the returned requests empty, this will automatically be copied there (except for ACTION_CREATE where it wouldn't really make sense).
Returns
AuthenticationRequest[]
More...
 
 postAccountCreation ( $user, $creator, AuthenticationResponse $response)
 Post-creation callback. More...
 
 postAccountLink ( $user, AuthenticationResponse $response)
 Post-link callback. More...
 
 postAuthentication ( $user, AuthenticationResponse $response)
 Post-login callback. More...
 
 providerAllowsAuthenticationDataChange (AuthenticationRequest $req, $checkData=true)
 Validate a change of authentication data (e.g. More...
 
 providerAllowsPropertyChange ( $property)
 Determine whether a property can change. More...
 
 providerChangeAuthenticationData (AuthenticationRequest $req)
 Change or remove authentication data (e.g. More...
 
 providerNormalizeUsername ( $username)
 Normalize the username for authentication. More...
 
 providerRevokeAccessForUser ( $username)
 Revoke the user's credentials. More...
 
 testForAccountCreation ( $user, $creator, array $reqs)
 Determine whether an account creation may begin. More...
 
 testUserCanAuthenticate ( $username)
 Test whether the named user can authenticate with this provider. More...
 
 testUserExists ( $username, $flags=User::READ_NORMAL)
 Test whether the named user exists. More...
 
 testUserForCreation ( $user, $autocreate, array $options=[])
 Determine whether an account may be created. More...
 
- Public Member Functions inherited from MediaWiki\Auth\AuthenticationProvider
 getUniqueId ()
 Return a unique identifier for this instance. More...
 
 setConfig (Config $config)
 Set configuration. More...
 
 setManager (AuthManager $manager)
 Set AuthManager. More...
 

Public Attributes

const TYPE_CREATE = 'create'
 Provider can create accounts. More...
 
const TYPE_LINK = 'link'
 Provider can link to existing accounts elsewhere. More...
 
const TYPE_NONE = 'none'
 Provider cannot create or link to accounts. More...
 

Detailed Description

A primary authentication provider is responsible for associating the submitted authentication data with a MediaWiki account.

When multiple primary authentication providers are configured for a site, they act as alternatives; the first one that recognizes the data will handle it, and further primary providers are not called (although they all get a chance to prevent actions).

For login, the PrimaryAuthenticationProvider takes form data and determines which authenticated user (if any) corresponds to that form data. It might do this on the basis of a username and password in that data, or by interacting with an external authentication service (e.g. using OpenID), or by some other mechanism.

(A PrimaryAuthenticationProvider would not be appropriate for something like HTTP authentication, OAuth, or SSL client certificates where each HTTP request contains all the information needed to identify the user. In that case you'll want to be looking at a \MediaWiki\Session\SessionProvider instead.)

For account creation, the PrimaryAuthenticationProvider takes form data and stores some authentication details which will allow it to verify a login by that user in the future. This might for example involve saving it in the database in a table that can be joined to the user table, or sending it to some external service for account creation, or authenticating the user with some remote service and then recording that the remote identity is linked to the local account. The creation of the local user (i.e. calling User::addToDatabase()) is handled by AuthManager once the primary authentication provider returns a PASS from begin/continueAccountCreation; do not try to do it yourself.

For account linking, the PrimaryAuthenticationProvider verifies the user's identity at some external service (typically by redirecting the user and asking the external service to verify) and then records which local account is linked to which remote accounts. It should keep track of this and be able to enumerate linked accounts via getAuthenticationRequests(ACTION_REMOVE).

This interface also provides methods for changing authentication data such as passwords, and callbacks that are invoked after login / account creation / account linking succeeded or failed.

Since
1.27
See also
https://www.mediawiki.org/wiki/Manual:SessionManager_and_AuthManager

Definition at line 75 of file PrimaryAuthenticationProvider.php.

Member Function Documentation

◆ accountCreationType()

MediaWiki\Auth\PrimaryAuthenticationProvider::accountCreationType ( )

◆ autoCreatedAccount()

MediaWiki\Auth\PrimaryAuthenticationProvider::autoCreatedAccount (   $user,
  $source 
)

Post-auto-creation callback.

Parameters
User$userUser being created (has been added to the database now). This may become a "UserValue" in the future, or User may be refactored into such.
string$sourceThe source of the auto-creation passed to AuthManager::autoCreateUser().

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ beginPrimaryAccountCreation()

MediaWiki\Auth\PrimaryAuthenticationProvider::beginPrimaryAccountCreation (   $user,
  $creator,
array  $reqs 
)

Start an account creation flow.

Parameters
User$userUser being created (not added to the database yet). This may become a "UserValue" in the future, or User may be refactored into such.
User$creatorUser doing the creation. This may become a "UserValue" in the future, or User may be refactored into such.
AuthenticationRequest[]$reqs
Returns
AuthenticationResponse Expected responses:
  • PASS: The user may be created. Secondary providers will now run.
  • FAIL: The user may not be created. Fail the creation process.
  • ABSTAIN: These $reqs are not handled. Some other primary provider may handle it.
  • UI: The $reqs are accepted, no other primary provider will run. Additional AuthenticationRequests are needed to complete the process.
  • REDIRECT: The $reqs are accepted, no other primary provider will run. Redirection to a third party is needed to complete the process.

Implemented in MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider, and MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider.

◆ beginPrimaryAccountLink()

MediaWiki\Auth\PrimaryAuthenticationProvider::beginPrimaryAccountLink (   $user,
array  $reqs 
)

Start linking an account to an existing user.

Parameters
User$userUser being linked. This may become a "UserValue" in the future, or User may be refactored into such.
AuthenticationRequest[]$reqs
Returns
AuthenticationResponse Expected responses:
  • PASS: The user is linked.
  • FAIL: The user is not linked. Fail the linking process.
  • ABSTAIN: These $reqs are not handled. Some other primary provider may handle it.
  • UI: The $reqs are accepted, no other primary provider will run. Additional AuthenticationRequests are needed to complete the process.
  • REDIRECT: The $reqs are accepted, no other primary provider will run. Redirection to a third party is needed to complete the process.

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ beginPrimaryAuthentication()

MediaWiki\Auth\PrimaryAuthenticationProvider::beginPrimaryAuthentication ( array  $reqs)

Start an authentication flow.

Parameters
AuthenticationRequest[]$reqs
Returns
AuthenticationResponse Expected responses:
  • PASS: The user is authenticated. Secondary providers will now run.
  • FAIL: The user is not authenticated. Fail the authentication process.
  • ABSTAIN: These $reqs are not handled. Some other primary provider may handle it.
  • UI: The $reqs are accepted, no other primary provider will run. Additional AuthenticationRequests are needed to complete the process.
  • REDIRECT: The $reqs are accepted, no other primary provider will run. Redirection to a third party is needed to complete the process.

Implemented in MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider, and MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider.

◆ continuePrimaryAccountCreation()

MediaWiki\Auth\PrimaryAuthenticationProvider::continuePrimaryAccountCreation (   $user,
  $creator,
array  $reqs 
)

Continue an account creation flow.

Parameters
User$userUser being created (not added to the database yet). This may become a "UserValue" in the future, or User may be refactored into such.
User$creatorUser doing the creation. This may become a "UserValue" in the future, or User may be refactored into such.
AuthenticationRequest[]$reqs
Returns
AuthenticationResponse Expected responses:
  • PASS: The user may be created. Secondary providers will now run.
  • FAIL: The user may not be created. Fail the creation process.
  • UI: Additional AuthenticationRequests are needed to complete the process.
  • REDIRECT: Redirection to a third party is needed to complete the process.

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ continuePrimaryAccountLink()

MediaWiki\Auth\PrimaryAuthenticationProvider::continuePrimaryAccountLink (   $user,
array  $reqs 
)

Continue linking an account to an existing user.

Parameters
User$userUser being linked. This may become a "UserValue" in the future, or User may be refactored into such.
AuthenticationRequest[]$reqs
Returns
AuthenticationResponse Expected responses:
  • PASS: The user is linked.
  • FAIL: The user is not linked. Fail the linking process.
  • UI: Additional AuthenticationRequests are needed to complete the process.
  • REDIRECT: Redirection to a third party is needed to complete the process.

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ continuePrimaryAuthentication()

MediaWiki\Auth\PrimaryAuthenticationProvider::continuePrimaryAuthentication ( array  $reqs)

Continue an authentication flow.

Parameters
AuthenticationRequest[]$reqs
Returns
AuthenticationResponse Expected responses:
  • PASS: The user is authenticated. Secondary providers will now run.
  • FAIL: The user is not authenticated. Fail the authentication process.
  • UI: Additional AuthenticationRequests are needed to complete the process.
  • REDIRECT: Redirection to a third party is needed to complete the process.

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ finishAccountCreation()

MediaWiki\Auth\PrimaryAuthenticationProvider::finishAccountCreation (   $user,
  $creator,
AuthenticationResponse  $response 
)

Post-creation callback.

Called after the user is added to the database, before secondary authentication providers are run. Only called if this provider was the one that issued a PASS.

Parameters
User$userUser being created (has been added to the database now). This may become a "UserValue" in the future, or User may be refactored into such.
User$creatorUser doing the creation. This may become a "UserValue" in the future, or User may be refactored into such.
AuthenticationResponse$responsePASS response returned earlier
Returns
string|null 'newusers' log subtype to use for logging the account creation. If null, either 'create' or 'create2' will be used depending on $creator.

Implemented in MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider, MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider, and MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ getAuthenticationRequests()

MediaWiki\Auth\PrimaryAuthenticationProvider::getAuthenticationRequests (   $action,
array  $options 
)

Return the applicable list of AuthenticationRequests.Possible values for $action depend on whether the implementing class is also a PreAuthenticationProvider, PrimaryAuthenticationProvider, or SecondaryAuthenticationProvider.

  • ACTION_LOGIN: Valid for passing to beginAuthentication. Called on all providers.
  • ACTION_CREATE: Valid for passing to beginAccountCreation. Called on all providers.
  • ACTION_LINK: Valid for passing to beginAccountLink. Called on linking primary providers only.
  • ACTION_CHANGE: Valid for passing to AuthManager::changeAuthenticationData to change credentials. Called on primary and secondary providers.
  • ACTION_REMOVE: Valid for passing to AuthManager::changeAuthenticationData to remove credentials. Must work without additional user input (i.e. without calling loadFromSubmission). Called on primary and secondary providers.
See also
AuthManager::getAuthenticationRequests()
Parameters
string$action
array$optionsOptions are:
  • username: User name related to the action, or null/unset if anon.
    • ACTION_LOGIN: The currently logged-in user, if any.
    • ACTION_CREATE: The account creator, if non-anonymous.
    • ACTION_LINK: The local user being linked to.
    • ACTION_CHANGE: The user having data changed.
    • ACTION_REMOVE: The user having data removed. If you leave the username property of the returned requests empty, this will automatically be copied there (except for ACTION_CREATE where it wouldn't really make sense).
Returns
AuthenticationRequest[]

Of the requests returned by this method, exactly one should have AuthenticationRequest::$required set to REQUIRED.

Implements MediaWiki\Auth\AuthenticationProvider.

Implemented in MediaWiki\Auth\AbstractPasswordPrimaryAuthenticationProvider, and MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider.

Referenced by MediaWiki\Auth\AbstractPrimaryAuthenticationProvider\providerRevokeAccessForUser().

◆ postAccountCreation()

MediaWiki\Auth\PrimaryAuthenticationProvider::postAccountCreation (   $user,
  $creator,
AuthenticationResponse  $response 
)

Post-creation callback.

This will be called at the end of any account creation attempt, regardless of whether this provider was the one that handled it. It will not be called if the account creation process results in a session timeout (possibly after a successful user creation, while a secondary provider is waiting for a response).

Parameters
User$userUser that was attempted to be created. This may become a "UserValue" in the future, or User may be refactored into such.
User$creatorUser doing the creation. This may become a "UserValue" in the future, or User may be refactored into such.
AuthenticationResponse$responseAuthentication response that will be returned (PASS or FAIL)

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ postAccountLink()

MediaWiki\Auth\PrimaryAuthenticationProvider::postAccountLink (   $user,
AuthenticationResponse  $response 
)

Post-link callback.

This will be called at the end of any account linking attempt, regardless of whether this provider was the one that handled it.

Parameters
User$userUser that was attempted to be linked. This may become a "UserValue" in the future, or User may be refactored into such.
AuthenticationResponse$responseAuthentication response that will be returned (PASS or FAIL)

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ postAuthentication()

MediaWiki\Auth\PrimaryAuthenticationProvider::postAuthentication (   $user,
AuthenticationResponse  $response 
)

Post-login callback.

This will be called at the end of any login attempt, regardless of whether this provider was the one that handled it. It will not be called for unfinished login attempts that fail by the session timing out.

Parameters
User | null$userUser that was attempted to be logged in, if known. This may become a "UserValue" in the future, or User may be refactored into such.
AuthenticationResponse$responseAuthentication response that will be returned (PASS or FAIL)

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ providerAllowsAuthenticationDataChange()

MediaWiki\Auth\PrimaryAuthenticationProvider::providerAllowsAuthenticationDataChange ( AuthenticationRequest  $req,
  $checkData = true 
)

Validate a change of authentication data (e.g.

passwords)

Return StatusValue::newGood( 'ignored' ) if you don't support this AuthenticationRequest type.

Parameters
AuthenticationRequest$req
bool$checkDataIf false, $req hasn't been loaded from the submission so checks on user-submitted fields should be skipped. $req->username is considered user-submitted for this purpose, even if it cannot be changed via $req->loadFromSubmission.
Returns
StatusValue

Implemented in MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider, and MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider.

◆ providerAllowsPropertyChange()

MediaWiki\Auth\PrimaryAuthenticationProvider::providerAllowsPropertyChange (   $property)

Determine whether a property can change.

See also
AuthManager::allowsPropertyChange()
Parameters
string$property
Returns
bool

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ providerChangeAuthenticationData()

MediaWiki\Auth\PrimaryAuthenticationProvider::providerChangeAuthenticationData ( AuthenticationRequest  $req)

Change or remove authentication data (e.g.

passwords)

If $req was returned for AuthManager::ACTION_CHANGE, the corresponding credentials should result in a successful login in the future.

If $req was returned for AuthManager::ACTION_REMOVE, the corresponding credentials should no longer result in a successful login.

It can be assumed that providerAllowsAuthenticationDataChange with $checkData === true was called before this, and passed. This method should never fail (other than throwing an exception).

Parameters
AuthenticationRequest$req

Implemented in MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider, and MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider.

Referenced by MediaWiki\Auth\AbstractPrimaryAuthenticationProvider\providerRevokeAccessForUser().

◆ providerNormalizeUsername()

MediaWiki\Auth\PrimaryAuthenticationProvider::providerNormalizeUsername (   $username)

Normalize the username for authentication.

Any two inputs that would result in the same user being authenticated should return the same string here, while inputs that would result in different users should return different strings.

If possible, the best thing to do here is to return the canonicalized name of the local user account that would be used. If not, return something that would be invalid as a local username (e.g. wrap an email address in "<>", or append "#servicename" to the username passed to a third-party service).

If the provider doesn't use a username at all in its AuthenticationRequests, return null. If the name is syntactically invalid, it's probably best to return null.

Parameters
string$username
Returns
string|null

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ providerRevokeAccessForUser()

MediaWiki\Auth\PrimaryAuthenticationProvider::providerRevokeAccessForUser (   $username)

Revoke the user's credentials.

This may cause the user to no longer exist for the provider, or the user may continue to exist in a "disabled" state.

The intention is that the named account will never again be usable for normal login (i.e. there is no way to undo the revocation of access).

Parameters
string$username

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ testForAccountCreation()

MediaWiki\Auth\PrimaryAuthenticationProvider::testForAccountCreation (   $user,
  $creator,
array  $reqs 
)

Determine whether an account creation may begin.

Called from AuthManager::beginAccountCreation()

Note
No need to test if the account exists, AuthManager checks that
Parameters
User$userUser being created (not added to the database yet). This may become a "UserValue" in the future, or User may be refactored into such.
User$creatorUser doing the creation. This may become a "UserValue" in the future, or User may be refactored into such.
AuthenticationRequest[]$reqs
Returns
StatusValue

Implemented in MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider, MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider, and MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ testUserCanAuthenticate()

MediaWiki\Auth\PrimaryAuthenticationProvider::testUserCanAuthenticate (   $username)

Test whether the named user can authenticate with this provider.

Should return true if the provider has any data for this user which can be used to authenticate it, even if the user is temporarily prevented from authentication somehow.

Parameters
string$usernameMediaWiki username
Returns
bool

Implemented in MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider, MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider, and MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

◆ testUserExists()

MediaWiki\Auth\PrimaryAuthenticationProvider::testUserExists (   $username,
  $flags = User::READ_NORMAL 
)

Test whether the named user exists.

Single-sign-on providers can use this to reserve a username for autocreation.

Parameters
string$usernameMediaWiki username
int$flagsBitfield of User:READ_* constants
Returns
bool

Implemented in MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider, and MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider.

Referenced by MediaWiki\Auth\AbstractPrimaryAuthenticationProvider\testUserCanAuthenticate().

◆ testUserForCreation()

MediaWiki\Auth\PrimaryAuthenticationProvider::testUserForCreation (   $user,
  $autocreate,
array  $options = [] 
)

Determine whether an account may be created.

Parameters
User$userUser being created (not added to the database yet). This may become a "UserValue" in the future, or User may be refactored into such.
bool | string$autocreateFalse if this is not an auto-creation, or the source of the auto-creation passed to AuthManager::autoCreateUser().
array$options
  • flags: (int) Bitfield of User:READ_* constants, default User::READ_NORMAL
  • creating: (bool) If false (or missing), this call is only testing if a user could be created. If set, this (non-autocreation) is for actually creating an account and will be followed by a call to testForAccountCreation(). In this case, the provider might return StatusValue::newGood() here and let the later call to testForAccountCreation() do a more thorough test.
Returns
StatusValue

Implemented in MediaWiki\Auth\AbstractPrimaryAuthenticationProvider.

Member Data Documentation

◆ TYPE_CREATE

const MediaWiki\Auth\PrimaryAuthenticationProvider::TYPE_CREATE = 'create'

Provider can create accounts.

Definition at line 77 of file PrimaryAuthenticationProvider.php.

Referenced by MediaWiki\Auth\AuthManager\canCreateAccounts().

◆ TYPE_LINK

◆ TYPE_NONE

const MediaWiki\Auth\PrimaryAuthenticationProvider::TYPE_NONE = 'none'

Provider cannot create or link to accounts.

Definition at line 81 of file PrimaryAuthenticationProvider.php.

Referenced by MediaWiki\Auth\AuthManager\continueAccountCreation().


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