missing break statement

backend/src/integrations/exchange.ts

@@ -6,11 +6,13 @@ import {
   INTEGRATION_VERCEL,
   INTEGRATION_NETLIFY,
   INTEGRATION_GITHUB,
+  INTEGRATION_GITLAB,
   INTEGRATION_AZURE_TOKEN_URL,
   INTEGRATION_HEROKU_TOKEN_URL,
   INTEGRATION_VERCEL_TOKEN_URL,
   INTEGRATION_NETLIFY_TOKEN_URL,
-  INTEGRATION_GITHUB_TOKEN_URL
+  INTEGRATION_GITHUB_TOKEN_URL,
+  INTEGRATION_GITLAB_TOKEN_URL,
 } from '../variables';
 import {
   SITE_URL,
@@ -18,11 +20,13 @@ import {
   CLIENT_ID_VERCEL,
   CLIENT_ID_NETLIFY,
   CLIENT_ID_GITHUB,
+  CLIENT_ID_GITLAB,
   CLIENT_SECRET_AZURE,
   CLIENT_SECRET_HEROKU,
   CLIENT_SECRET_VERCEL,
   CLIENT_SECRET_NETLIFY,
-  CLIENT_SECRET_GITHUB
+  CLIENT_SECRET_GITHUB,
+  CLIENT_SECRET_GITLAB,
 } from '../config';
 
 interface ExchangeCodeAzureResponse {
@@ -66,6 +70,15 @@ interface ExchangeCodeGithubResponse {
   token_type: string;
 }
 
+interface ExchangeCodeGitlabResponse {
+  access_token: string;
+  token_type: string;
+  expires_in: string;
+  refresh_token: string;
+  scope: string;
+  created_at: number;
+}
+
 /**
  * Return [accessToken], [accessExpiresAt], and [refreshToken] for OAuth2
  * code-token exchange for integration named [integration]
@@ -114,6 +127,10 @@ const exchangeCode = async ({
           code
         });
         break;
+      case INTEGRATION_GITLAB:
+        obj = await exchangeCodeGitlab({
+          code
+        });
     }
   } catch (err) {
     Sentry.setUser(null);
@@ -341,4 +358,48 @@ const exchangeCodeGithub = async ({ code }: { code: string }) => {
   };
 };
 
+/**
+ * Return [accessToken], [accessExpiresAt], and [refreshToken] for Gitlab
+ * code-token exchange
+ * @param {Object} obj1
+ * @param {Object} obj1.code - code for code-token exchange
+ * @returns {Object} obj2
+ * @returns {String} obj2.accessToken - access token for Github API
+ * @returns {String} obj2.refreshToken - refresh token for Github API
+ * @returns {Date} obj2.accessExpiresAt - date of expiration for access token
+ */
+const exchangeCodeGitlab = async ({ code }: { code: string }) => {
+  let res: ExchangeCodeGitlabResponse; 
+  
+  try {
+    res = (
+      await axios.post(
+        INTEGRATION_GITLAB_TOKEN_URL,
+        new URLSearchParams({
+          grant_type: 'authorization_code',
+          code: code,
+          client_id: CLIENT_ID_GITLAB,
+          client_secret: CLIENT_SECRET_GITLAB,
+          redirect_uri: `${SITE_URL}/integrations/gitlab/oauth2/callback`
+        } as any),
+        {
+          headers: {
+            "Accept-Encoding": "application/json",
+          }
+        }
+      )
+    ).data;
+  }catch (err) {
+    Sentry.setUser(null);
+    Sentry.captureException(err);
+    throw new Error('Failed OAuth2 code-token exchange with Gitlab');
+  }
+
+  return {
+    accessToken: res.access_token,
+    refreshToken: null,
+    accessExpiresAt: null
+  };
+}
+
 export { exchangeCode };