fix: guard slack

Signed-off-by: Innei <tukon479@gmail.com>

Author: Innei

apps/api/src/controllers/webhook.controller.ts

@@ -186,6 +186,10 @@ export async function slackWebhook(
     return reply.status(400).send({ error: 'Invalid params' });
   }
   const slackInstaller = createSlackInstaller();
+  if (!slackInstaller) {
+    request.log.error('Slack installer not found');
+    return reply.status(500).send({ error: 'Slack installer not found' });
+  }
 
   const veryfiedState = await slackInstaller.stateStore?.verifyStateParam(
     new Date(),

packages/integrations/src/slack.ts

@@ -8,6 +8,9 @@ export const createSlackInstaller = () => {
   const SLACK_CLIENT_ID = process.env.SLACK_CLIENT_ID;
   const SLACK_CLIENT_SECRET = process.env.SLACK_CLIENT_SECRET;
   const SLACK_STATE_SECRET = process.env.SLACK_STATE_SECRET;
+  if (!SLACK_CLIENT_ID || !SLACK_CLIENT_SECRET || !SLACK_STATE_SECRET) {
+    return null
+  }
   const slackInstaller = new InstallProvider({
     clientId: SLACK_CLIENT_ID!,
     clientSecret: SLACK_CLIENT_SECRET!,
@@ -24,6 +27,9 @@ export const getSlackInstallUrl = ({
 }: { integrationId: string; organizationId: string; projectId: string }) => {
 
   const slackInstaller = createSlackInstaller();
+  if (!slackInstaller) {
+    return null;
+  }
   return slackInstaller.generateInstallUrl({
     scopes: [
       'incoming-webhook',