User

Type

Class

Namespace

craft\web

Inherits

craft\web\User » yii\web\User » yii\base\Component » yii\base\BaseObject

Implements

yii\base\Configurable

Since

3.0.0

The User component provides APIs for managing the user authentication status.

An instance of the User component is globally accessible in Craft via Craft::$app->user.

View source

Public Properties

Property	Description
absoluteAuthTimeout	integer, null – The number of seconds in which the user will be logged out automatically regardless of activity.
absoluteAuthTimeoutParam	string – The session variable name used to store the value of absolute expiration timestamp of the authenticated state.
acceptableRedirectTypes	array – MIME types for which this component should redirect to the loginUrl.
accessChecker	yii\rbac\CheckAccessInterface, string, array, null – The access checker object to use for checking access or the application component ID of the access checker.
authDurationParam	string – The session variable name used to store the duration of the authenticated state.
authKeyParam	string – The session variable name used to store authentication key.
authTimeout	integer, null – The number of seconds in which the user will be logged out automatically if the user remains inactive.
authTimeoutParam	string – The session variable name used to store the value of expiration timestamp of the authenticated state.
autoRenewCookie	boolean – Whether to automatically renew the identity cookie each time a page is requested.
behaviors	yii\base\Behavior – List of behaviors attached to this component.
elevatedSessionTimeout	integer, false – The number of seconds left in the current elevated user session or false if it has been disabled.
elevatedSessionTimeoutParam	string – The session variable name used to store the value of the expiration timestamp of the elevated session state.
enableAutoLogin	boolean – Whether to enable cookie-based login.
enableSession	boolean – Whether to use session to persist authentication status across multiple requests.
hasElevatedSession	boolean – Whether the user currently has an elevated session
id	string, integer, null – The unique identifier for the user.
idParam	string – The session variable name used to store the value of id.
identity	craft\elements\User, null – The logged-in user.
identityClass	string – The class name of the identity object.
identityCookie	array – The configuration of the identity cookie.
isAdmin	boolean – Whether the current user is an admin.
isGuest	boolean – Whether the current user is a guest.
loginUrl	string, array, null – The URL for login when loginRequired() is called.
remainingSessionTime	integer – The seconds left in the session, or -1 if their session will expire when their HTTP session ends.
rememberedUsername	string, null
returnUrl	string – The URL that the user should be redirected to after login.
returnUrlParam	string – The session variable name used to store the value of returnUrl.
token	string, null
tokenParam	string – The session variable name used to store the user session token.
usernameCookie	array – The configuration of the username cookie.

authDurationParam

Type

string

Default value

'__duration'

Since

3.6.8

The session variable name used to store the duration of the authenticated state.

View source

elevatedSessionTimeout

Type

integer, false

Default value

null

Access

Read-only

The number of seconds left in the current elevated user session or false if it has been disabled.

View source

elevatedSessionTimeoutParam

Type

string

Default value

'__elevated_timeout'

The session variable name used to store the value of the expiration timestamp of the elevated session state.

View source

hasElevatedSession

Type

boolean

Default value

null

Whether the user currently has an elevated session

View source

identity

Type

craft\elements\User, null

Default value

null

The logged-in user.

View source

isAdmin

Type

boolean

Default value

null

Access

Read-only

Whether the current user is an admin.

View source

remainingSessionTime

Type

integer

Default value

null

Access

Read-only

The seconds left in the session, or -1 if their session will expire when their HTTP session ends.

View source

rememberedUsername

Type

string, null

Default value

null

Access

Read-only

View source

token

Type

string, null

Default value

null

Access

Read-only

Since

3.6.11

View source

tokenParam

Type

string

Default value

'__token'

The session variable name used to store the user session token.

View source

usernameCookie

Type

array

Default value

null

The configuration of the username cookie.

See also yii\web\Cookie

View source

Public Methods

Method	Description
__call()	Calls the named method which is not a class method.
__clone()	This method is called after the object is created by cloning an existing one.
__construct()	Constructor.
__get()	Returns the value of a component property.
__isset()	Checks if a property is set, i.e. defined and not null.
__set()	Sets the value of a component property.
__unset()	Sets a component property to be null.
attachBehavior()	Attaches a behavior to this component.
attachBehaviors()	Attaches a list of behaviors to the component.
behaviors()	Returns a list of behaviors that this component should behave as.
can()	Checks if the user can perform the operation as specified by the given permission.
canGetProperty()	Returns a value indicating whether a property can be read.
canSetProperty()	Returns a value indicating whether a property can be set.
checkPermission()	Returns whether the current user has a given permission.
checkRedirectAcceptable()	Checks if the Accept header contains a content type that allows redirection to the login page.
className()	Returns the fully qualified name of this class.
detachBehavior()	Detaches a behavior from the component.
detachBehaviors()	Detaches all behaviors from the component.
ensureBehaviors()	Makes sure that the behaviors declared in behaviors() are attached to this component.
generateToken()	Generates a new user session token.
getBehavior()	Returns the named behavior object.
getBehaviors()	Returns all behaviors attached to this component.
getElevatedSessionTimeout()	Returns how many seconds are left in the current elevated user session.
getHasElevatedSession()	Returns whether the user currently has an elevated session.
getId()	Returns a value that uniquely represents the user.
getIdentity()	Returns the logged-in user.
getIsAdmin()	Returns whether the current user is an admin.
getIsGuest()	Returns a value indicating whether the user is a guest (not authenticated).
getRemainingSessionTime()	Returns how many seconds are left in the current user session.
getRememberedUsername()	Returns the username of the account that the browser was last logged in as.
getReturnUrl()	Returns the URL that the browser should be redirected to after successful login.
getToken()	Returns the user token from the session.
guestRequired()	Redirects the user browser away from a guest page.
hasEventHandlers()	Returns a value indicating whether there is any handler attached to the named event.
hasMethod()	Returns a value indicating whether a method is defined.
hasProperty()	Returns a value indicating whether a property is defined for this component.
init()	Initializes the application component.
login()	Logs in a user.
loginByAccessToken()	Logs in a user by the given access token.
loginByUserId()	Logs in a user by their ID.
loginRequired()	Redirects the user browser to the login page.
logout()	Logs out the current user.
off()	Detaches an existing event handler from this component.
on()	Attaches an event handler to an event.
removeReturnUrl()	Removes the stored return URL, if there is one.
sendUsernameCookie()	Sends a username cookie.
setIdentity()	Sets the user identity object.
setReturnUrl()	Remembers the URL in the session so that it can be retrieved back later by getReturnUrl().
switchIdentity()	Switches to a new identity for the current user.
trigger()	Triggers an event.

checkPermission()

Returns whether the current user has a given permission.

View source

Arguments

• $permissionName (string) – The name of the permission.

Returns

boolean – Whether the current user has the permission.

generateToken()

Since

3.1.1

Generates a new user session token.

View source

Arguments

• $userId (integer)

getElevatedSessionTimeout()

Returns how many seconds are left in the current elevated user session.

View source

Returns

integer, false – The number of seconds left in the current elevated user session or false if it has been disabled.

getHasElevatedSession()

Returns whether the user currently has an elevated session.

View source

Returns

boolean – Whether the user currently has an elevated session

getIdentity()

Returns the logged-in user.

View source

Arguments

• $autoRenew

Returns

craft\elements\User, null –

getIsAdmin()

Returns whether the current user is an admin.

View source

Returns

boolean – Whether the current user is an admin.

getIsGuest()

Returns a value indicating whether the user is a guest (not authenticated).

View source

Returns

boolean – Whether the current user is a guest.

---

Example

php

$isGuest = Craft::$app->user->isGuest;

twig

{% if craft.app.user.isGuest %}
  <a href="{{ url(craft.app.config.general.getLoginPath()) }}">
    Login
  </a>
{% else %}
  <a href="{{ url(craft.app.config.general.getLogoutPath()) }}">
    Logout
  </a>
{% endif %}

getRemainingSessionTime()

Returns how many seconds are left in the current user session.

View source

Returns

integer – The seconds left in the session, or -1 if their session will expire when their HTTP session ends.

getRememberedUsername()

Returns the username of the account that the browser was last logged in as.

View source

Returns

string, null

---

Example

php

$username = Craft::$app->user->rememberedUsername;

twig

<form method="post" action="" accept-charset="UTF-8">
  {{ csrfInput() }}
  {{ actionInput('users/login') }}

  {% set username = craft.app.user.rememberedUsername %}
  <input type="text" name="loginName" value="{{ username }}">

  <input type="password" name="password">

  <input type="submit" value="Sign in">
</form>

getReturnUrl()

Returns the URL that the browser should be redirected to after successful login.

This method reads the return URL from the session. It is usually used by the login action which may call this method to redirect the browser to where it goes after successful authentication.

View source

Arguments

• $defaultUrl (string, array, null) – The default return URL in case it was not set previously. If this is null and the return URL was not set previously, craft\web\Application::$homeUrl will be redirected to. Please refer to setReturnUrl() on accepted format of the URL.

Returns

string – The URL that the user should be redirected to after login.

getToken()

Since

3.6.11

Returns the user token from the session.

View source

Returns

string, null

guestRequired()

Since

3.4.0

Redirects the user browser away from a guest page.

View source

Returns

craft\web\Response – The redirection response

Throws

• yii\web\ForbiddenHttpException
  if the request doesn’t accept a redirect response

login()

Logs in a user.

After logging in a user:

• the user's identity information is obtainable from the identity property

If enableSession is true:

• the identity information will be stored in session and be available in the next requests
• in case of $duration == 0: as long as the session remains active or till the user closes the browser
• in case of $duration > 0: as long as the session remains active or as long as the cookie remains valid by it's $duration in seconds when enableAutoLogin is set true.

If enableSession is false:

• the $duration parameter will be ignored

View source

Arguments

• $identity (yii\web\IdentityInterface) – The user identity (which should already be authenticated)
• $duration (integer) – Number of seconds that the user can remain in logged-in status, defaults to 0

Returns

boolean – Whether the user is logged in

loginByUserId()

Logs in a user by their ID.

View source

Arguments

• $userId (integer) – The user’s ID
• $duration (integer) – The number of seconds that the user can remain in logged-in status. Defaults to 0, meaning login till the user closes the browser or the session is manually destroyed. If greater than 0 and enableAutoLogin is true, cookie-based login will be supported. Note that if enableSession is false, this parameter will be ignored.

Returns

boolean – Whether the user is logged in

removeReturnUrl()

Removes the stored return URL, if there is one.

See also getReturnUrl()View source

sendUsernameCookie()

Sends a username cookie.

This method is used after a user is logged in. It saves the logged-in user’s username in a cookie, so that login forms can remember the initial Username value on login forms.

See also afterLogin()View source

Arguments

• $user (craft\elements\User)

switchIdentity()

Switches to a new identity for the current user.

When enableSession is true, this method may use session and/or cookie to store the user identity information, according to the value of $duration. Please refer to login() for more details.

This method is mainly called by login(), logout() and loginByCookie() when the current user needs to be associated with the corresponding identity information.

View source

Arguments

• $identity (yii\web\IdentityInterface, null) – The identity information to be associated with the current user. If null, it means switching the current user to be a guest.
• $duration (integer) – Number of seconds that the user can remain in logged-in status. This parameter is used only when $identity is not null.

Protected Methods

Method	Description
afterLogin()	This method is called after the user is successfully logged in.
afterLogout()	This method is invoked right after a user is logged out via logout().
beforeLogin()	This method is called before logging in a user.
beforeLogout()	This method is invoked when calling logout() to log out a user.
getAccessChecker()	Returns the access checker used for checking access.
getAuthManager()	Returns auth manager associated with the user component.
getIdentityAndDurationFromCookie()	Determines if an identity cookie has a valid format and contains a valid auth key.
loginByCookie()	Logs in a user by cookie.
regenerateCsrfToken()	Regenerates CSRF token
removeIdentityCookie()	Removes the identity cookie.
renewAuthStatus()	Updates the authentication status using the information from session and cookie.
renewIdentityCookie()	Renews the identity cookie.
sendIdentityCookie()	Sends an identity cookie.

afterLogin()

This method is called after the user is successfully logged in.

The default implementation will trigger the EVENT_AFTER_LOGIN event. If you override this method, make sure you call the parent implementation so that the event is triggered.

View source

Arguments

• $identity (yii\web\IdentityInterface) – The user identity information
• $cookieBased (boolean) – Whether the login is cookie-based
• $duration (integer) – Number of seconds that the user can remain in logged-in status. If 0, it means login till the user closes the browser or the session is manually destroyed.

afterLogout()

This method is invoked right after a user is logged out via logout().

The default implementation will trigger the EVENT_AFTER_LOGOUT event. If you override this method, make sure you call the parent implementation so that the event is triggered.

View source

Arguments

• $identity (yii\web\IdentityInterface) – The user identity information

beforeLogin()

This method is called before logging in a user.

The default implementation will trigger the EVENT_BEFORE_LOGIN event. If you override this method, make sure you call the parent implementation so that the event is triggered.

View source

Arguments

• $identity (yii\web\IdentityInterface) – The user identity information
• $cookieBased (boolean) – Whether the login is cookie-based
• $duration (integer) – Number of seconds that the user can remain in logged-in status. If 0, it means login till the user closes the browser or the session is manually destroyed.

Returns

boolean – Whether the user should continue to be logged in

beforeLogout()

This method is invoked when calling logout() to log out a user.

The default implementation will trigger the EVENT_BEFORE_LOGOUT event. If you override this method, make sure you call the parent implementation so that the event is triggered.

View source

Arguments

• $identity (yii\web\IdentityInterface) – The user identity information

Returns

boolean – Whether the user should continue to be logged out

renewAuthStatus()

Updates the authentication status using the information from session and cookie.

This method will try to determine the user identity using the idParam session variable.

If authTimeout is set, this method will refresh the timer.

If the user identity cannot be determined by session, this method will try to login by cookie if enableAutoLogin is true.

View source

Constants

Constant	Description
EVENT_AFTER_LOGIN
EVENT_AFTER_LOGOUT
EVENT_BEFORE_LOGIN
EVENT_BEFORE_LOGOUT