Laravel使用Passport来建立API用户认证

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好比说你要给你的手机APP用户建立API，使用的是你已有的Laravel系统里的数据库，尤为是用户数据。如今咱们来看一下，这里使用的是Laravel Passport组件。

咱们将要建立三个api，分别是：

1. Login API
2. Register API
3. Details API

（一）安装和配置Passport

composer require laravel/passport
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在config/app.php中注册provider：

'providers' => [
	....
	Laravel\Passport\PassportServiceProvider::class,
],
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建立Passport须要的数据表：

php artisan migrate
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而后初始化Passport，执行：

php artisan passport:install
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该命令会生成用之后期建立安全令牌（access token）的秘钥，同时也会建立personal access和password grant两个客户端（clients）。

接下来，在app/User.php中添加HasApiTokens trait：

<?php

namespace App;

use Laravel\Passport\HasApiTokens;
use Illuminate\Notifications\Notifiable;
use Illuminate\Foundation\Auth\User as Authenticatable;

class User extends Authenticatable
{
    use HasApiTokens, Notifiable;
}
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而后在app/Providers/AuthServiceProvider.php中添加Passport::routes();：

<?php

namespace App\Providers;

use Laravel\Passport\Passport;
use Illuminate\Support\Facades\Gate;
use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;

class AuthServiceProvider extends ServiceProvider
{
    ...
    public function boot()
    {
        $this->registerPolicies();
        Passport::routes();
    }
}
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在config/auth.php中将api的driver改为passport:

<?php

return [
    .....
    'guards' => [
       ...
        'api' => [
            'driver' => 'passport',
            'provider' => 'users',
        ],
    ],
    .....
]
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（二）建立相应的api路由

在你的routes/api.php中

Route::post('login', 'API\UserController@login');
Route::post('register', 'API\UserController@register');

Route::group(['middleware' => 'auth:api'], function(){
	Route::post('details', 'API\UserController@details');
});
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（三）建立相应的controller

路径app/Http/Controllers/API/UserController.php

<?php

namespace App\Http\Controllers\API;

use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use App\User;
use Illuminate\Support\Facades\Auth;
use Validator;

class UserController extends Controller
{

    public $successStatus = 200;

    
    public function login(){
        if(Auth::attempt(['email' => request('email'), 'password' => request('password')])){
            $user = Auth::user();
            $success['token'] =  $user->createToken('MyApp')->accessToken;
            return response()->json(['success' => $success], $this->successStatus);
        }
        else{
            return response()->json(['error'=>'Unauthorised'], 401);
        }
    }

    
    public function register(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'name' => 'required',
            'email' => 'required|email',
            'password' => 'required',
            'c_password' => 'required|same:password',
        ]);

        if ($validator->fails()) {
            return response()->json(['error'=>$validator->errors()], 401);            
        }

        $input = $request->all();
        $input['password'] = bcrypt($input['password']);
        $user = User::create($input);
        $success['token'] =  $user->createToken('MyApp')->accessToken;
        $success['name'] =  $user->name;

        return response()->json(['success'=>$success], $this->successStatus);
    }

     public function details()
    {
        $user = Auth::user();
        return response()->json(['success' => $user], $this->successStatus);
    }
}
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（四）使用rest client来测试api

Login API:

Register API:

Details API:

这个测试前须要添加一些header信息：

'headers' => [
    'Accept' => 'application/json',
    'Authorization' => 'Bearer '.$accessToken,
]
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译文出处： //itsolutionstuff.com/post/laravel-5-how-to-create-api-authentication-using-passport-example.html