Первый коммит

SiteAuth.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: runnin
+ * Date: 01.08.19
+ * Time: 17:56
+ */
+
+namespace VK;
+
+
+class SiteAuth {
+    public $settings = [];
+    public $data = [];
+
+    public function __construct($settings) {
+        if (isset($settings["client_id"], $settings["client_secret"], $settings["redirect_uri"])) {
+            $this->settings = $settings;
+        }
+    }
+
+    public function auth() {
+        if (isset($_GET['code'])) {
+            $query = urldecode(http_build_query($this->settings + ["code" => $_GET['code']]));
+            $token = json_decode(file_get_contents("https://oauth.vk.com/access_token?" . $query), true);
+            if (isset($token["access_token"])) {
+                $this->data = $token;
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public function get_link() {
+        $query = urldecode(http_build_query([
+            "client_id" => $this->settings["client_id"],
+            "redirect_uri" => $this->settings["redirect_uri"],
+            "response_type" => "code"
+        ]));
+        return "https://oauth.vk.com/authorize?" . $query;
+    }
+}