112 lines
3.0 KiB
Markdown
112 lines
3.0 KiB
Markdown
# 自定义登陆
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如果不使用`laravel-admin`内置的认证登陆逻辑，可以参考下面的方式自定义登陆认证逻辑
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首先要先定义一个`user provider`，用来获取用户身份, 比如`app/Providers/CustomUserProvider.php`：
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```php
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<?php
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namespace App\Providers;
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use Illuminate\Contracts\Auth\Authenticatable;
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use Illuminate\Contracts\Auth\UserProvider;
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class CustomUserProvider implements UserProvider
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{
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public function retrieveById($identifier)
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{}
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public function retrieveByToken($identifier, $token)
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{}
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public function updateRememberToken(Authenticatable $user, $token)
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{}
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public function retrieveByCredentials(array $credentials)
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{
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// 用$credentials里面的用户名密码去获取用户信息，然后返回Illuminate\Contracts\Auth\Authenticatable对象
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}
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public function validateCredentials(Authenticatable $user, array $credentials)
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{
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// 用$credentials里面的用户名密码校验用户，返回true或false
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}
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}
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```
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在方法`retrieveByCredentials`和`validateCredentials`中, 传入的`$credentials`就是登陆页面提交的用户名和密码数组，然后你可以使用`$credentials`去实现自己的登陆逻辑
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Interface `Illuminate\Contracts\Auth\Authenticatable`的定义如下：
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```php
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<?php
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namespace Illuminate\Contracts\Auth;
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interface Authenticatable {
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public function getAuthIdentifierName();
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public function getAuthIdentifier();
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public function getAuthPassword();
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public function getRememberToken();
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public function setRememberToken($value);
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public function getRememberTokenName();
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}
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```
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上面interface每个方法的解释参考[adding-custom-user-providers](https://laravel.com/docs/5.5/authentication#adding-custom-user-providers)
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定义好了`User provider`之后，打开`app/Providers/AuthServiceProvider.php`注册它：
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```php
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<?php
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namespace App\Providers;
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use Illuminate\Support\Facades\Auth;
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use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
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class AuthServiceProvider extends ServiceProvider
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{
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/**
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* Register any application authentication / authorization services.
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*
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* @return void
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*/
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public function boot()
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{
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$this->registerPolicies();
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Auth::provider('custom', function ($app, array $config) {
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// Return an instance of Illuminate\Contracts\Auth\UserProvider...
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return new CustomUserProvider();
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});
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}
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}
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```
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最后修改一下配置,打开`config/admin.php`，找到`auth`部分修改:
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```php
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'auth' => [
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'guards' => [
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'admin' => [
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'driver' => 'session',
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'provider' => 'admin',
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]
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],
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// 修改下面
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'providers' => [
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'admin' => [
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'driver' => 'custom',
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]
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],
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],
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```
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这样就完成了自定义登陆认证的逻辑，自定义登陆算是laravel中比较复杂的部分，需要开发者有耐心的一步步调试完成。
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