Move mod/receive to src/Module/Diaspora/receive

- Added routes
- Make Diaspora::decode(Raw) more explicit
- Add new User::getByGuid() method

src/Model/User.php

@@ -18,7 +18,6 @@ use Friendica\Core\Protocol;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
-use Friendica\Model\Photo;
 use Friendica\Model\TwoFactor\AppSpecificPassword;
 use Friendica\Object\Image;
 use Friendica\Util\Crypto;
@@ -105,6 +104,27 @@ class User
 		return DBA::selectFirst('user', $fields, ['uid' => $uid]);
 	}
 
+	/**
+	 * Returns a user record based on it's GUID
+	 *
+	 * @param string $guid   The guid of the user
+	 * @param array  $fields The fields to retrieve
+	 * @param bool   $active True, if only active records are searched
+	 *
+	 * @return array|boolean User record if it exists, false otherwise
+	 * @throws Exception
+	 */
+	public static function getByGuid(string $guid, array $fields = [], bool $active = true)
+	{
+		if ($active) {
+			$cond = ['guid' => $guid, 'account_expired' => false, 'account_removed' => false];
+		} else {
+			$cond = ['guid' => $guid];
+		}
+
+		return DBA::selectFirst('user', $fields, $cond);
+	}
+
 	/**
 	 * @param  string        $nickname
 	 * @param array          $fields