Detailed explanation of Auth module examples in Laravel
This article is based on the analysis and writing of the localization module code of Laravel 5.4 version; I hope it can help everyone learn the Auth module better.
Module composition
The Auth module is functionally divided into two parts: user authentication and permission management; in terms of file composition, the Illuminate\Auth\Passwords directory is for password reset or A small module for forgetting password processing. Illuminate\Auth is the module responsible for user authentication and permission management. Illuminate\Foundation\Auth provides a series of specific logic implementations such as login, password modification, and password reset;
Next The figure shows the relationship between the various files of the Auth module and gives a brief description;
User Authentication
HTTP itself is stateless, usually in the system During the interaction process, use the account or Token identification to determine the authenticated user;
Configuration file interpretation
return [ 'defaults' => [ 'guard' => 'web', ... ], 'guards' => [ 'web' => [ 'driver' => 'session', 'provider' => 'users', ], 'api' => [ 'driver' => 'token', 'provider' => 'users', ], ], 'providers' => [ 'users' => [ 'driver' => 'eloquent', 'model' => App\User::class, ], ], ], ];
Understand from bottom to top;
-
Providers is an interface that provides user data, and the driver object and target object must be marked; here, the key name users is the name of a set of providers, driven by eloquent, and modal is App\User::class;
The guards part is configured for the authentication management part; there are two authentication methods, one is called web, and the other is api; web authentication is based on Session interaction, and the user ID is obtained based on the sessionId. In the users provider Query out this user; api authentication is based on token value interaction, and also uses the users provider;
defaults item shows that web authentication is used by default;
Authentication
Session binding authentication information:
// $credentials数组存放认证条件,比如邮箱或者用户名、密码 // $remember 表示是否要记住,生成 `remember_token` public function attempt(array $credentials = [], $remember = false) public function login(AuthenticatableContract $user, $remember = false) public function loginUsingId($id, $remember = false)
HTTP basic authentication, the authentication information is placed in the request header; subsequent requests are accessed through sessionId;
public function basic($field = 'email', $extraConditions = [])
Only authenticates in the current session, and does not record authentication information in the session:
public function once(array $credentials = []) public function onceUsingId($id) public function onceBasic($field = 'email', $extraConditions = [])
During the authentication process (including registration, forgotten password), the defined events are as follows:
Event name | Description |
---|---|
Attempt to verify event | |
Verification passed event | |
Verification failed event | |
The number of failures exceeds the limit, lock the request to access the event again | |
When logging in successfully through 'remember_token' , the event called | |
User exit event | |
User registration event |
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