first commit

common/Settings/Validators/TwitterLoginValidator.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace Common\Settings\Validators;
+
+use Common\Auth\Oauth;
+use Common\Core\HttpClient;
+use Config;
+use Exception;
+use Illuminate\Support\Arr;
+use Socialite;
+
+class TwitterLoginValidator implements SettingsValidator
+{
+    const KEYS = ['twitter_id', 'twitter_secret'];
+
+    /**
+     * @var Oauth
+     */
+    private $oauth;
+
+    /**
+     * @var HttpClient
+     */
+    private $httpClient;
+
+    public function __construct(Oauth $oauth)
+    {
+        $this->oauth = $oauth;
+        $this->httpClient = new HttpClient([
+            'exceptions' => true,
+        ]);
+    }
+
+    public function fails($values)
+    {
+        $this->setConfigDynamically($values);
+
+        try {
+            Socialite::driver('twitter')->redirect();
+        } catch (Exception $e) {
+            return $this->getErrorMessage($e);
+        }
+    }
+
+    private function setConfigDynamically($settings)
+    {
+        if ($twitterId = Arr::get($settings, 'twitter_id')) {
+            Config::set('services.twitter.client_id', $twitterId);
+        }
+
+        if ($twitterSecret = Arr::get($settings, 'twitter_secret')) {
+            Config::set('services.twitter.client_secret', $twitterSecret);
+        }
+    }
+
+    /**
+     * @param Exception $e
+     * @return array
+     */
+    private function getErrorMessage(Exception $e)
+    {
+        if (\Str::contains($e->getMessage(), 'code="415"')) {
+            return ['twitter_group' => 'Site url is not present in "Callback URL" field on your twitter app.'];
+        }
+
+        return $this->getDefaultError();
+    }
+
+    private function getDefaultError()
+    {
+        return ['twitter_group' => 'These twitter credentials are not valid.'];
+    }
+}