feat: expose OAuth capability

client/functions/package.json

@@ -3,24 +3,26 @@
   "scripts": {
     "lint": "eslint \"src/**/*\"",
     "build": "tsc",
+    "dev": "tsc -w",
     "serve": "npm run build && firebase emulators:start --only functions",
     "shell": "npm run build && firebase functions:shell",
     "start": "npm run shell",
     "deploy": "firebase deploy --only functions",
     "logs": "firebase functions:log"
   },
   "engines": {
-    "node": "16"
+    "node": "18"
   },
-  "main": "lib/index.js",
+  "main": "lib/functions/src/index.js",
   "dependencies": {
     "@types/cors": "^2.8.12",
     "@types/express": "^4.17.13",
     "cors": "^2.8.5",
     "express": "^4.17.2",
     "express-jwt": "^6.1.0",
-    "firebase-admin": "^10.0.2",
-    "firebase-functions": "^3.16.0",
+    "express-unless": "^2.1.3",
+    "firebase-admin": "^11.5.0",
+    "firebase-functions": "^4.2.0",
     "jwks-rsa": "^1.12.3",
     "lodash": "^4.17.21"
   },
@@ -30,7 +32,7 @@
     "eslint": "^6.8.0",
     "eslint-plugin-import": "^2.25.3",
     "firebase-functions-test": "^0.2.0",
-    "typescript": "^3.9.10"
+    "typescript": "^5.1.6"
   },
   "private": true
 }

client/functions/src/auth.ts

@@ -1,8 +1,12 @@
-import {RequestHandler} from "express";
-import {Auth} from "firebase-admin/lib/auth";
+import {RequestHandler, Request, Response} from "express";
+import {Auth} from "firebase-admin/auth";
+import axios from 'axios';
 
 const {createHash} = require('crypto');
 
+const AUTHORIZATION_URL = 'https://gainstrack.jp.auth0.com/authorize'
+const TOKEN_URL = 'https://gainstrack.jp.auth0.com/oauth/token'
+
 function javaHash(input: string) {
   const md5Bytes = createHash('md5').update(input).digest();
   md5Bytes[6] &= 0x0f;  /* clear version        */
@@ -14,7 +18,6 @@ function javaHash(input: string) {
   return uuid;
 }
 
-
 export const firebaseHandler:  ((fbauth:Auth) => RequestHandler)= (fbauth) => async (req, res) => {
   // Create UID from authenticated Auth0 user
   // @ts-ignore
@@ -34,3 +37,24 @@ export const firebaseHandler:  ((fbauth:Auth) => RequestHandler)= (fbauth) => as
     })
   }
 };
+
+/// Middleware to redirect to the Auth0 authorization endpoint
+export const authHandler: RequestHandler = (req, res) => {
+  // Construct the full URL for the Auth0 authorize endpoint with the query parameters
+  const auth0AuthorizeUrl = `${AUTHORIZATION_URL}?${req.url.split('?')[1]}`;
+
+  // Redirect the client to the constructed URL
+  res.redirect(auth0AuthorizeUrl);
+};
+
+// Middleware to proxy the token request to Auth0
+export const tokenHandler: RequestHandler = async (req, res) => {
+  try {
+    const form_data = req.body;
+    const auth0Response = await axios.post(TOKEN_URL, form_data);
+
+    res.json(auth0Response.data);
+  } catch (error) {
+    res.status(500).json({ error: 'Internal Server Error' });
+  }
+};

client/functions/src/index.ts

@@ -1,8 +1,8 @@
 import * as functions from 'firebase-functions';
-import {firebaseHandler} from "./auth";
+import {authHandler, firebaseHandler, tokenHandler} from './auth';
 import {quoteSourcesHandler, quoteSourcesTableHandler} from "./queries";
-import * as cors from 'cors';
-import {Request} from "firebase-functions/lib/providers/https";
+import cors from 'cors';
+import {Request} from "firebase-functions/lib/v1/providers/https";
 import {quoteSourceHistoryCreateHandler} from "./writes";
 
 const admin = require('firebase-admin');
@@ -112,7 +112,10 @@ const app = express();
 
 app.post('/firebase', jwtCheck, firebaseHandler(admin.auth()));
 app.post('/functions/auth/firebase', jwtCheck, firebaseHandler(admin.auth()));
-
+app.get('/authorize', authHandler);
+app.post('/token', tokenHandler);
+app.post('/functions/auth/token', tokenHandler);
+app.get('/functions/auth/authorize', authHandler);
 
 export const auth = functions
   // .region('asia-northeast1')

client/functions/src/queries.ts

@@ -1,5 +1,5 @@
+import {Request} from "firebase-functions/lib/v1/providers/https";
 import {Response} from "express";
-import {Request} from "firebase-functions/lib/providers/https";
 
 import {quoteSourceFieldProperties} from '../../src/lib/assetdb/AssetSchema';
 import {get} from 'lodash';

client/functions/src/writes.ts

@@ -1,5 +1,5 @@
-import {QueryDocumentSnapshot} from "firebase-functions/lib/providers/firestore";
 import {EventContext} from "firebase-functions";
+import {QueryDocumentSnapshot} from 'firebase-admin/firestore';
 
 export let quoteSourceHistoryCreateHandler = (firestore: FirebaseFirestore.Firestore) =>async (snap: QueryDocumentSnapshot, context: EventContext) => {
   // Get an object representing the document
@@ -37,7 +37,7 @@ export let quoteSourceHistoryCreateHandler = (firestore: FirebaseFirestore.Fires
 
       await firestore.collection('quoteSources').doc(id).set(toSave);
     }
-  } catch (e) {
+  } catch (e:any) {
     console.error(e);
     snapData.error = e.toString()
     await firestore.collection('quoteSourceErrors').add(snapData);

client/functions/tsconfig.json

@@ -2,11 +2,14 @@
   "compilerOptions": {
     "module": "commonjs",
     "noImplicitReturns": true,
-    "noUnusedLocals": true,
+    "noUnusedLocals": false,
     "outDir": "lib",
     "sourceMap": true,
     "strict": true,
-    "target": "es2017"
+    "target": "es2021",
+    "moduleResolution": "node",
+    "esModuleInterop": true,
+    "skipLibCheck": true
   },
   "compileOnSave": true,
   "include": [