diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b801ee3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/vendor/
+/.idea
+/composer.lock
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..71eaaca
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,18 @@
+{
+    "name": "vohinc/km-socialite",
+    "type": "library",
+    "require": {
+        "laravel/socialite": "^3.0"
+    },
+    "authors": [
+        {
+            "name": "Casper Lai",
+            "email": "casper.lai@voh-design.com"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Voh\\KmSocialite\\": "src/"
+        }
+    }
+}
diff --git a/src/KmSocialiteProvider.php b/src/KmSocialiteProvider.php
new file mode 100644
index 0000000..c4d7224
--- /dev/null
+++ b/src/KmSocialiteProvider.php
@@ -0,0 +1,100 @@
+<?php
+
+namespace Voh\KmSocialite;
+
+use Illuminate\Http\Request;
+use Laravel\Socialite\Two\AbstractProvider;
+use Laravel\Socialite\Two\ProviderInterface;
+use Laravel\Socialite\Two\User;
+
+class KmSocialiteProvider extends AbstractProvider implements ProviderInterface
+{
+    /**
+     * Unique KmSocialiteProvider Identifier.
+     */
+    const IDENTIFIER = 'KM';
+
+    /**
+     * {@inheritdoc}
+     */
+    protected $scopes = ['profile', 'email', 'permission'];
+
+    /**
+     * {@inheritdoc}
+     */
+    protected $scopeSeparator = ' ';
+
+    /**
+     * @var bool
+     */
+    protected $stateless = true;
+
+    /**
+     * @var string
+     */
+    protected $baseUrl;
+
+    public function __construct(Request $request, $clientId, $clientSecret, $redirectUrl)
+    {
+        parent::__construct($request, $clientId, $clientSecret, $redirectUrl);
+        $this->baseUrl = config('services.km.url');
+    }
+
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthUrl($state)
+    {
+        return $this->buildAuthUrlFromBase("{$this->baseUrl}/oauth/authorize", $state);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getTokenUrl()
+    {
+        return "{$this->baseUrl}/oauth/token";
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getUserByToken($token)
+    {
+        $response = $this->getHttpClient()->post("{$this->baseUrl}/api/user/me", [
+            'headers' => [
+                'Authorization' => "Bearer {$token}",
+            ],
+        ]);
+
+        return json_decode($response->getBody(), true);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function mapUserToObject(array $user)
+    {
+        return (new User())->setRaw($user)->map([
+            'id' => $user['id'],
+            'name' => $user['name'],
+            'email' => $user['email'],
+            'job' => $user['job'],
+            'unit' => $user['unit'],
+            'class_no' => $user['classNo'],
+            'seat' => $user['seat'],
+            'permission' => $user['permission'],
+        ]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getTokenFields($code)
+    {
+        return array_merge(parent::getTokenFields($code), [
+            'grant_type' => 'authorization_code'
+        ]);
+    }
+}