Laravel 8.X Api tutorial #2 Api authentication

Laravel 8.X Api tutorial #2 Api authentication 



Step 1: Install Laravel 8

I am going to explain step by step from scratch so, we need to get a fresh Laravel 8 application using bellow command, So open your terminal OR command prompt and run bellow command:

composer create-project --prefer-dist laravel/laravel blog

Step 2: Use Passport

In this step we need to install Passport via the Composer package manager, so one your terminal and fire bellow command:

composer require laravel/passport

After successfully install the package, we require to get default migration for creating new passport tables in our database. so let's run the below command.

php artisan migrate

Next, we need to install the passport using the command, Using passport: install command, will create token keys for security. So let's run bellow command:

php artisan passport:install

Step 3: Passport Configuration

In this step, we have to configuration on three place model, service provider, and auth config file. So you have to just follow the change on that file.

In model, we added HasApiTokens class of Passport,

In auth.php, we added API auth configuration.

app/Models/User.php

<?php

namespace App\Models;

use Illuminate\Contracts\Auth\MustVerifyEmail;

use Illuminate\Database\Eloquent\Factories\HasFactory;

use Illuminate\Foundation\Auth\User as Authenticatable;

use Illuminate\Notifications\Notifiable;

use Laravel\Passport\HasApiTokens;

class User extends Authenticatable

{

use HasApiTokens, HasFactory, Notifiable;

/**

* The attributes that are mass assignable.

*

* @var array

*/

protected $fillable = [

'name',

'email',

'password',

];

/**

* The attributes that should be hidden for arrays.

*

* @var array

*/

protected $hidden = [

'password',

'remember_token',

];

/**

* The attributes that should be cast to native types.

*

* @var array

*/

protected $casts = [

'email_verified_at' => 'datetime',

];

}

config/auth.php

<?php


return [

.....

'guards' => [

'web' => [

'driver' => 'session',

'provider' => 'users',

],

'api' => [

'driver' => 'passport',

'provider' => 'users',

],

],

.....

]

Step 4: Add Product Table and Model

next, we require to create migration for posts table using Laravel 8 PHP artisan command, so first fire bellow command:

php artisan make:migration create_products_table

After this command, you will find one file in the following path database/migrations and you have to put below code in your migration file to create the products table.

<?php


use Illuminate\Support\Facades\Schema;

use Illuminate\Database\Schema\Blueprint;

use Illuminate\Database\Migrations\Migration;


class CreateProductsTable extends Migration

{

/**

* Run the migrations.

*

* @return void

*/

public function up()

{

Schema::create('products', function (Blueprint $table) {

$table->id();

$table->string('name');

$table->text('detail');

$table->timestamps();

});

}


/**

* Reverse the migrations.

*

* @return void

*/

public function down()

{

Schema::dropIfExists('products');

}

}

After creating migration we need to run the above migration by the following command:

php artisan migrate

After create the "products" table you should create a Product model for products, so first create a file in this path app/Models/Product.php and put bellow content in the item.php file:

app/Models/Product.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;

use Illuminate\Database\Eloquent\Model;

class Product extends Model

{

use HasFactory;

/**

* The attributes that are mass assignable.

*

* @var array

*/

protected $fillable = [

'name', 'detail'

];

}

Step 5: Create API Routes

In this step, we will create API routes. Laravel provides an api.php file for write web services route. So, let's add a new route to that file.

routes/api.php

<?php

use Illuminate\Http\Request;

use Illuminate\Support\Facades\Route;

use App\Http\Controllers\API\RegisterController;

use App\Http\Controllers\API\ProductController;

/*

|--------------------------------------------------------------------------

| API Routes

|--------------------------------------------------------------------------

|

| Here is where you can register API routes for your application. These

| routes are loaded by the RouteServiceProvider within a group which

| is assigned the "api" middleware group. Enjoy building your API!

|

*/

Route::post('register', [RegisterController::class, 'register']);

Route::post('login', [RegisterController::class, 'login']);

Route::middleware('auth:api')->group( function () {

Route::resource('products', ProductController::class);

});

Step 6: Create Controller Files

in the next step, now we have created new controller as BaseController, ProductController, and RegisterController, I created new folder "API" in the Controllers folder because we will make alone APIs controller, So let's create both controllers:

app/Http/Controllers/API/BaseController.php

<?php


namespace App\Http\Controllers\API;


use Illuminate\Http\Request;

use App\Http\Controllers\Controller as Controller;


class BaseController extends Controller

{

/**

* success response method.

*

* @return \Illuminate\Http\Response

*/

public function sendResponse($result, $message)

{

$response = [

'success' => true,

'data' => $result,

'message' => $message,

];


return response()->json($response, 200);

}


/**

* return error response.

*

* @return \Illuminate\Http\Response

*/

public function sendError($error, $errorMessages = [], $code = 404)

{

$response = [

'success' => false,

'message' => $error,

];


if(!empty($errorMessages)){

$response['data'] = $errorMessages;

}


return response()->json($response, $code);

}

}

app/Http/Controllers/API/RegisterController.php

<?php

namespace App\Http\Controllers\API;

use Illuminate\Http\Request;

use App\Http\Controllers\API\BaseController as BaseController;

use App\Models\User;

use Illuminate\Support\Facades\Auth;

use Validator;

class RegisterController extends BaseController

{

/**

* Register api

*

* @return \Illuminate\Http\Response

*/

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 $this->sendError('Validation Error.', $validator->errors());

}

$input = $request->all();

$input['password'] = bcrypt($input['password']);

$user = User::create($input);

$success['token'] = $user->createToken('MyApp')->accessToken;

$success['name'] = $user->name;

return $this->sendResponse($success, 'User register successfully.');

}

/**

* Login api

*

* @return \Illuminate\Http\Response

*/

public function login(Request $request)

{

if(Auth::attempt(['email' => $request->email, 'password' => $request->password])){

$user = Auth::user();

$success['token'] = $user->createToken('MyApp')-> accessToken;

$success['name'] = $user->name;

return $this->sendResponse($success, 'User login successfully.');

}

else{

return $this->sendError('Unauthorised.', ['error'=>'Unauthorised']);

}

}

}

app/Http/Controllers/API/ProductController.php

<?php

namespace App\Http\Controllers\API;

use Illuminate\Http\Request;

use App\Http\Controllers\API\BaseController as BaseController;

use App\Models\Product;

use Validator;

use App\Http\Resources\Product as ProductResource;

class ProductController extends BaseController

{

/**

* Display a listing of the resource.

*

* @return \Illuminate\Http\Response

*/

public function index()

{

$products = Product::all();

return $this->sendResponse(ProductResource::collection($products), 'Products retrieved successfully.');

}

/**

* Store a newly created resource in storage.

*

* @param \Illuminate\Http\Request $request

* @return \Illuminate\Http\Response

*/

public function store(Request $request)

{

$input = $request->all();

$validator = Validator::make($input, [

'name' => 'required',

'detail' => 'required'

]);

if($validator->fails()){

return $this->sendError('Validation Error.', $validator->errors());

}

$product = Product::create($input);

return $this->sendResponse(new ProductResource($product), 'Product created successfully.');

}

/**

* Display the specified resource.

*

* @param int $id

* @return \Illuminate\Http\Response

*/

public function show($id)

{

$product = Product::find($id);

if (is_null($product)) {

return $this->sendError('Product not found.');

}

return $this->sendResponse(new ProductResource($product), 'Product retrieved successfully.');

}

/**

* Update the specified resource in storage.

*

* @param \Illuminate\Http\Request $request

* @param int $id

* @return \Illuminate\Http\Response

*/

public function update(Request $request, Product $product)

{

$input = $request->all();

$validator = Validator::make($input, [

'name' => 'required',

'detail' => 'required'

]);

if($validator->fails()){

return $this->sendError('Validation Error.', $validator->errors());

}

$product->name = $input['name'];

$product->detail = $input['detail'];

$product->save();

return $this->sendResponse(new ProductResource($product), 'Product updated successfully.');

}

/**

* Remove the specified resource from storage.

*

* @param int $id

* @return \Illuminate\Http\Response

*/

public function destroy(Product $product)

{

$product->delete();

return $this->sendResponse([], 'Product deleted successfully.');

}

}

Step 7: Create Eloquent API Resources

This is a very important step of creating the rest of the API in Laravel 8. you can use eloquent API resources with API. it will help you to make the same response layout of your model object. we used in the ProductController file. now we have to create it using the following command:

php artisan make:resource Product

Now there created a new file with a new folder on the following path:

app/Http/Resources/Product.php

<?php

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;

class Product extends JsonResource

{

/**

* Transform the resource into an array.

*

* @param \Illuminate\Http\Request $request

* @return array

*/

public function toArray($request)

{

return [

'id' => $this->id,

'name' => $this->name,

'detail' => $this->detail,

'created_at' => $this->created_at->format('d/m/Y'),

'updated_at' => $this->updated_at->format('d/m/Y'),

];

}

}

Now we are ready to run full restful API and also passport API in Laravel. so let's run our example so run bellow command for a quick run:

php artisan serve

make sure in details API we will use the following headers as listed below:


'headers' => [

'Accept' => 'application/json',

'Authorization' => 'Bearer '.$accessToken,

]

Here is Routes URL with Verb:

Now simply you can run the above-listed URL like as bellow screenshot:

1) Register API: Verb:GET, URL:http://localhost:8000/api/register

2) Login API: Verb:GET, URL:http://localhost:8000/api/login

3) Product List API: Verb:GET, URL:http://localhost:8000/api/products

4) Product Create API: Verb:POST, URL:http://localhost:8000/api/products

5) Product Show API: Verb: GET, URL:http://localhost:8000/api/products/{id}

6) Product Update API: Verb:PUT, URL:http://localhost:8000/api/products/{id}

7) Product Delete API: Verb:DELETE, URL:http://localhost:8000/api/products/{id}


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