Start working on Instgram Provider

composer.json

@@ -24,7 +24,8 @@
             "SocialConnect\\Vk\\": "providers/Vk/",
             "SocialConnect\\Github\\": "providers/Github/",
             "SocialConnect\\Facebook\\": "providers/Facebook/",
-            "SocialConnect\\Twitter\\": "providers/Twitter/"
+            "SocialConnect\\Twitter\\": "providers/Twitter/",
+            "SocialConnect\\Instagram\\": "providers/Instagram/"
         }
     }
 }

providers/Instagram/Provider.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * SocialConnect project
+ * @author: Patsura Dmitry https://github.com/ovr <talk@dmtry.me>
+ */
+
+namespace SocialConnect\Instagram;
+
+use SocialConnect\Auth\Provider\OAuth2\AccessToken;
+use SocialConnect\Common\Entity\User;
+use SocialConnect\Common\Hydrator\ObjectMap;
+
+class Provider extends \SocialConnect\Auth\Provider\OAuth2\Provider
+{
+    public function getBaseUri()
+    {
+        return 'https://api.instagram.com/v1/';
+    }
+
+    public function getAuthorizeUri()
+    {
+        return 'https://api.instagram.com/oauth/authorize';
+    }
+
+    public function getRequestTokenUri()
+    {
+        return 'https://api.instagram.com/oauth/access_token';
+    }
+
+    public function getName()
+    {
+        return 'instagram';
+    }
+
+    /**
+     * @param $body
+     * @return AccessToken
+     */
+    public function parseToken($body)
+    {
+        $result = json_decode($body);
+
+        return new AccessToken($result->access_token);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getIdentity(AccessToken $accessToken)
+    {
+        $response = $this->service->getHttpClient()->request($this->getBaseUri() . 'users/self?access_token=' . $accessToken->getToken());
+        $body = $response->getBody();
+        $result = json_decode($body);
+        var_dump($result);
+
+        $hydrator = new ObjectMap(array(
+            'id' => 'id',
+            'first_name' => 'firstname',
+            'last_name' => 'lastname',
+            'email' => 'email'
+        ));
+
+        return $hydrator->hydrate(new User(), $result->response[0]);
+    }
+}