git subrepo clone https://github.com/mailcow/mailcow-dockerized.git mailcow/src/mailcow-dockerized
subrepo: subdir:   "mailcow/src/mailcow-dockerized"
  merged:   "a832becb"
upstream: origin:   "https://github.com/mailcow/mailcow-dockerized.git"
  branch:   "master"
  commit:   "a832becb"
git-subrepo: version:  "0.4.3"
  origin:   "???"
  commit:   "???"
Change-Id: If5be2d621a211e164c9b6577adaa7884449f16b5
diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/functions.oauth2.inc.php b/mailcow/src/mailcow-dockerized/data/web/inc/functions.oauth2.inc.php
new file mode 100644
index 0000000..7bc7dea
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/functions.oauth2.inc.php
@@ -0,0 +1,242 @@
+<?php
+function oauth2($_action, $_type, $_data = null) {
+	global $pdo;
+	global $redis;
+	global $lang;
+	if ($_SESSION['mailcow_cc_role'] != "admin") {
+		$_SESSION['return'][] = array(
+			'type' => 'danger',
+      'log' => array(__FUNCTION__, $_action, $_type, $_data),
+			'msg' => 'access_denied'
+		);
+		return false;
+	}
+  switch ($_action) {
+    case 'add':
+      switch ($_type) {
+        case 'client':
+          $client_id = bin2hex(random_bytes(6));
+          $client_secret = bin2hex(random_bytes(12));
+          $redirect_uri = $_data['redirect_uri'];
+          $scope = 'profile';
+          // For future use
+          // $grant_type = isset($_data['grant_type']) ? $_data['grant_type'] : 'authorization_code';
+          // $scope = isset($_data['scope']) ? $_data['scope'] : 'profile';
+          // if ($grant_type != "authorization_code" && $grant_type != "password") {
+            // $_SESSION['return'][] = array(
+              // 'type' => 'danger',
+              // 'log' => array(__FUNCTION__, $_action, $_type, $_data),
+              // 'msg' => 'access_denied'
+            // );
+            // return false;
+          // }
+          if ($scope != "profile") {
+            $_SESSION['return'][] = array(
+              'type' => 'danger',
+              'log' => array(__FUNCTION__, $_action, $_type, $_data),
+              'msg' => 'Invalid scope'
+            );
+            return false;
+          }
+          $stmt = $pdo->prepare("SELECT 'client' FROM `oauth_clients`
+            WHERE `client_id` = :client_id");
+          $stmt->execute(array(':client_id' => $client_id));
+          $num_results = count($stmt->fetchAll(PDO::FETCH_ASSOC));
+          if ($num_results != 0) {
+            $_SESSION['return'][] = array(
+              'type' => 'danger',
+              'log' => array(__FUNCTION__, $_action, $_type, $_data),
+              'msg' => 'Client ID exists'
+            );
+            return false;
+          }
+          $stmt = $pdo->prepare("INSERT INTO `oauth_clients` (`client_id`, `client_secret`, `redirect_uri`, `scope`)
+            VALUES (:client_id, :client_secret, :redirect_uri, :scope)");
+          $stmt->execute(array(
+            ':client_id' => $client_id,
+            ':client_secret' => $client_secret,
+            ':redirect_uri' => $redirect_uri,
+            ':scope' => $scope
+          ));
+          $_SESSION['return'][] = array(
+            'type' => 'success',
+            'log' => array(__FUNCTION__, $_action, $_type, $_data),
+            'msg' => 'Added client access'
+          );
+        break;
+      }
+    break;
+    case 'edit':
+      switch ($_type) {
+        case 'client':
+          $ids = (array)$_data['id'];
+          foreach ($ids as $id) {
+            $is_now = oauth2('details', 'client', $id);
+            if (!empty($is_now)) {
+              $redirect_uri = (!empty($_data['redirect_uri'])) ? $_data['redirect_uri'] : $is_now['redirect_uri'];
+            }
+            else {
+              $_SESSION['return'][] = array(
+                'type' => 'danger',
+                'log' => array(__FUNCTION__, $_action, $_type, $_data),
+                'msg' => 'access_denied'
+              );
+              return false;
+            }
+            if (isset($_data['revoke_tokens'])) {
+              $stmt = $pdo->prepare("DELETE FROM `oauth_access_tokens`
+                WHERE `client_id` IN (
+                  SELECT `client_id` FROM `oauth_clients` WHERE `id` = :id
+                )");
+              $stmt->execute(array(
+                ':id' => $id
+              ));
+              $stmt = $pdo->prepare("DELETE FROM `oauth_refresh_tokens`
+                WHERE `client_id` IN (
+                  SELECT `client_id` FROM `oauth_clients` WHERE `id` = :id
+                )");
+              $stmt->execute(array(
+                ':id' => $id
+              ));
+              $_SESSION['return'][] = array(
+                'type' => 'success',
+                'log' => array(__FUNCTION__, $_action, $_type, $_data),
+                'msg' => array('object_modified', htmlspecialchars($id))
+              );
+              continue;
+            }
+            if (isset($_data['renew_secret'])) {
+              $client_secret = bin2hex(random_bytes(12));
+              $stmt = $pdo->prepare("UPDATE `oauth_clients` SET `client_secret` = :client_secret WHERE  `id` = :id");
+              $stmt->execute(array(
+                ':client_secret' => $client_secret,
+                ':id' => $id
+              ));
+              $_SESSION['return'][] = array(
+                'type' => 'success',
+                'log' => array(__FUNCTION__, $_action, $_type, $_data),
+                'msg' => array('object_modified', htmlspecialchars($id))
+              );
+              continue;
+            }
+            if (empty($redirect_uri)) {
+              $_SESSION['return'][] = array(
+                'type' => 'danger',
+                'log' => array(__FUNCTION__, $_action, $_type, $_data),
+                'msg' => 'Redirect/Callback URL cannot be empty'
+              );
+              continue;
+            }
+            $stmt = $pdo->prepare("UPDATE `oauth_clients` SET
+              `redirect_uri` = :redirect_uri
+                WHERE `id` = :id");
+            $stmt->execute(array(
+              ':id' => $id,
+              ':redirect_uri' => $redirect_uri
+            ));
+            $_SESSION['return'][] = array(
+              'type' => 'success',
+              'log' => array(__FUNCTION__, $_action, $_type, $_data),
+              'msg' => array('object_modified', htmlspecialchars($id))
+            );
+          }
+        break;
+      }
+    break;
+    case 'delete':
+      switch ($_type) {
+        case 'client':
+          (array)$ids = $_data['id'];
+          foreach ($ids as $id) {
+            if (!is_numeric($id)) {
+              $_SESSION['return'][] = array(
+                'type' => 'danger',
+                'log' => array(__FUNCTION__, $_action, $_type, $_data),
+                'msg' => 'access_denied'
+              );
+              continue;
+            }
+            $stmt = $pdo->prepare("DELETE FROM `oauth_clients`
+              WHERE `id` = :id");
+            $stmt->execute(array(
+              ':id' => $id
+            ));
+          }
+          $_SESSION['return'][] = array(
+            'type' => 'success',
+            'log' => array(__FUNCTION__, $_action, $_type, $_data),
+            'msg' => array('items_deleted', htmlspecialchars($id))
+          );
+        break;
+        case 'access_token':
+          (array)$access_tokens = $_data['access_token'];
+          foreach ($access_tokens as $access_token) {
+            if (!ctype_alnum($access_token)) {
+              $_SESSION['return'][] = array(
+                'type' => 'danger',
+                'log' => array(__FUNCTION__, $_action, $_type, $_data),
+                'msg' => 'access_denied'
+              );
+              return false;
+            }
+            $stmt = $pdo->prepare("DELETE FROM `oauth_access_tokens`
+              WHERE `access_token` = :access_token");
+            $stmt->execute(array(
+              ':access_token' => $access_token
+            ));
+          }
+          $_SESSION['return'][] = array(
+            'type' => 'success',
+            'log' => array(__FUNCTION__, $_action, $_type, $_data),
+            'msg' => sprintf($lang['success']['items_deleted'], implode(', ', $access_tokens))
+          );
+        break;
+        case 'refresh_token':
+          (array)$refresh_tokens = $_data['refresh_token'];
+          foreach ($refresh_tokens as $refresh_token) {
+            if (!ctype_alnum($refresh_token)) {
+              $_SESSION['return'][] = array(
+                'type' => 'danger',
+                'log' => array(__FUNCTION__, $_action, $_type, $_data),
+                'msg' => 'access_denied'
+              );
+              return false;
+            }
+            $stmt = $pdo->prepare("DELETE FROM `oauth_refresh_tokens` WHERE `refresh_token` = :refresh_token");
+            $stmt->execute(array(
+              ':refresh_token' => $refresh_token
+            ));
+          }
+          $_SESSION['return'][] = array(
+            'type' => 'success',
+            'log' => array(__FUNCTION__, $_action, $_type, $_data),
+            'msg' => sprintf($lang['success']['items_deleted'], implode(', ', $refresh_tokens))
+          );
+        break;
+      }
+    break;
+    case 'get':
+      switch ($_type) {
+        case 'clients':
+          $stmt = $pdo->query("SELECT `id` FROM `oauth_clients`");
+          $rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
+          while ($row = array_shift($rows)) {
+            $oauth_clients[] = $row['id'];
+          }
+          return $oauth_clients;
+        break;
+      }
+    break;
+    case 'details':
+      switch ($_type) {
+        case 'client':
+          $stmt = $pdo->prepare("SELECT * FROM `oauth_clients`
+            WHERE `id` = :id");
+          $stmt->execute(array(':id' => $_data));
+          $oauth_client_details = $stmt->fetch(PDO::FETCH_ASSOC);
+          return $oauth_client_details;
+        break;
+      }
+    break;
+  }
+}
\ No newline at end of file