Merge pull request #13 from arifszn/feat/rule-jwt

feat: rule `jwt`

Author: arifszn

README.md

@@ -30,12 +30,12 @@ php artisan vendor:publish --provider="Arifszn\AdvancedValidation\ServiceProvide
 You can specify the error message on the fly when declaring the rules. Simple pass the error message parameter.
 
 ```php
-use Arifszn\AdvancedValidation\Rules\Base64Image;
+use Arifszn\AdvancedValidation\Rules\Username;
 
 public function rules()
 {
     return [
-        'avatar' => [new Base64Image('Your custom error message')],
+        'foo' => [new Username('Your custom error message')],
     ];
 }
 ```
@@ -54,6 +54,7 @@ public function rules()
 - [`Float Number`](#floatnumber)
 - [`Hash`](#hash)
 - [`Image URL`](#imageurl)
+- [`JWT`](#jwt)
 - [`Name`](#name)
 - [`Phone`](#phone)
 - [`Username`](#username)
@@ -292,6 +293,25 @@ public function rules()
 }
 ```
 
+### `JWT`
+
+The field under validation must have a valid format of JWT ([JSON Web Token](https://en.wikipedia.org/wiki/JSON_Web_Token)).
+
+```
+public Arifszn\AdvancedValidation\Rules\Jwt::__construct(string $errorMessage = null)
+```
+
+```php
+use Arifszn\AdvancedValidation\Rules\Jwt;
+
+public function rules()
+{
+    return [
+        'foo' => [new Jwt()],
+    ];
+}
+```
+
 ### `Name`
 
 The field under validation must be a valid name.

resources/lang/en/validation.php

@@ -13,6 +13,7 @@
     'float_number' => 'The :attribute must be a float number.',
     'hash' => 'The :attribute must be a hash of :algorithm algorithm.',
     'image_url' => 'The :attribute must be a valid image URL.',
+    'jwt' => 'The :attribute must have a valid format of JWT.',
     'name' => 'The :attribute must be a valid name.',
     'phone' => 'The :attribute must be a valid phone number.',
     'username' => 'The :attribute must be a valid username.',

src/Rules/Jwt.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Arifszn\AdvancedValidation\Rules;
+
+use Illuminate\Contracts\Validation\Rule;
+
+/**
+ * The field under validation must have a valid format of JWT.
+ *
+ * @package Arifszn\AdvancedValidation\Rules
+ */
+class Jwt implements Rule
+{
+    /**
+     * @var string
+     */
+    private $errorMessage;
+
+    /**
+     * Create a new rule instance.
+     *
+     * @param string|null $errorMessage   Custom error message.
+     * @return void
+     */
+    public function __construct(string $errorMessage = null)
+    {
+        $this->errorMessage = $errorMessage;
+    }
+
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param string $attribute
+     * @param mixed $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        return preg_match('/^[a-zA-Z0-9-_]+\.[a-zA-Z0-9-_]+\.[a-zA-Z0-9-_]+$/', $value);
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return $this->errorMessage ? $this->errorMessage : trans('advancedValidation::validation.jwt');
+    }
+}

tests/Rules/JwtTest.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Arifszn\AdvancedValidation\Tests\Rules;
+
+use Arifszn\AdvancedValidation\Rules\Jwt;
+use Arifszn\AdvancedValidation\Tests\TestCase;
+
+class JwtTest extends TestCase
+{
+    /**
+     * @dataProvider provider
+     */
+    public function testValidation($result, $value)
+    {
+        $this->assertEquals($result, (new Jwt())->passes('foo', $value));
+    }
+
+    public function provider()
+    {
+        return [
+            [true, 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJsb2dnZWRJbkFzIjoiYWRtaW4iLCJpYXQiOjE0MjI3Nzk2Mzh9.gzSraSYS8EXBxLN_oWnFSRgCzcmJmMjLiuyu5CSpyHI'],
+            [true, 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJsb3JlbSI6Imlwc3VtIn0.ymiJSsMJXR6tMSr8G9usjQ15_8hKPDv_CArLhxw28MI'],
+            [true, 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJkb2xvciI6InNpdCIsImFtZXQiOlsibG9yZW0iLCJpcHN1bSJdfQ.rRpe04zbWbbJjwM43VnHzAboDzszJtGrNsUxaqQ-GQ8'],
+            [true, 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqb2huIjp7ImFnZSI6MjUsImhlaWdodCI6MTg1fSwiamFrZSI6eyJhZ2UiOjMwLCJoZWlnaHQiOjI3MH19.YRLPARDmhGMC3BBk_OhtwwK21PIkVCqQe8ncIRPKo-E'],
+
+            [false, 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9'],
+            [false, '$Zs.ewu.su84'],
+            [false, 'ks64$S/9.dy$§kz.3sd73b'],
+            [false, ''],
+            [false, '  '],
+        ];
+    }
+}