Signed url complete (#5)

Reviewed-on: #5
Reviewed-by: Benoy Bose <benoybose@cosq.net>
Co-authored-by: DhanshCOSQ <dhanshas@cosq.net>
Co-committed-by: DhanshCOSQ <dhanshas@cosq.net>

functions/src/index.ts

@@ -9,7 +9,7 @@ import * as path from 'path';
 import * as fs from 'fs';
 import * as https from 'https';
 import axios from "axios";
-
+import { getStorage } from 'firebase-admin/storage';
 const formData = require('form-data');
 const Mailgun = require('mailgun.js');
 const { convert } = require('html-to-text');
@@ -79,6 +79,42 @@ export const sendEmailWithAttachment = onRequest({
     response.status(500).json({ success: false, error: error instanceof Error ? error.message : String(error) });
   }
 });
+
+export const accessFile = onRequest({
+  region: '#{SERVICES_RGN}#'
+}, async (request: Request, response: express.Response) => {
+  try {
+    const filePath = request.query.path as string;
+    if (!filePath) {
+      response.status(400).send('File path is required');
+      return;
+    }
+
+    const expirationMs = 60 * 60 * 1000;
+
+    const bucket = getStorage().bucket();
+    const file = bucket.file(filePath);
+
+    const [exists] = await file.exists();
+    if (!exists) {
+      response.status(404).send('File not found');
+      return;
+    }
+
+    const [signedUrl] = await file.getSignedUrl({
+      action: 'read',
+      expires: Date.now() + expirationMs,
+      responseDisposition: `attachment; filename="${path.basename(filePath)}"`,
+    });
+
+    response.redirect(signedUrl);
+    logger.info(`File access redirect for ${filePath}`);
+  } catch (error) {
+    logger.error('Error accessing file:', error);
+    response.status(500).send('Error accessing file');
+  }
+});
+
 export const sendEmailMessage = onRequest({
   region: process.env.SERVICES_RGN
 }, (request: Request, response: express.Response) => {