added google login functionality

Co-authored-by: Johnny <johnnyqu4@gmail.com>
Co-authored-by: Victor <vzheng@gmail.com>

Author: 3 people

mysql_sample_db/mysqlsampledatabase.sql

@@ -0,0 +1,29 @@
+const {OAuth2Client} = require('google-auth-library');
+export {};
+let CLIENT_ID : string = "136122883712-eue6mcej6psh8meqkcemd8sklr277544.apps.googleusercontent.com";
+const client = new OAuth2Client(CLIENT_ID);
+async function verify(token : string) {
+  const ticket = await client.verifyIdToken({
+      idToken: token,
+      audience: CLIENT_ID,  // Specify the CLIENT_ID of the app that accesses the backend
+      // Or, if multiple clients access the backend:
+      //[CLIENT_ID_1, CLIENT_ID_2, CLIENT_ID_3]
+  });
+  const payload = ticket.getPayload();
+  
+  return payload;
+  //const userid = payload['sub'];
+  // If request specified a G Suite domain:
+  // const domain = payload['hd'];
+}
+
+
+async function verifyUser(id : string){
+    console.log("inside");
+    let payload = await verify(id);
+    console.log(payload);
+    // check db for user and insert if not exist, generate user token, return user token
+    return "ok";
+}
+
+module.exports = verifyUser;

mysql_sample_db/sample_db.zip

@@ -1,4 +1,5 @@
 import { rootCertificates } from "tls";
+const verifyUser = require("./login");
 
 export {};
 
@@ -43,6 +44,7 @@ module.exports = {
         }
     },
     Mutation:{
-        addUser: (_, {displayName }, { dataSources })=> dataSources.db.addUser(displayName)
+        addUser: (_, {displayName }, { dataSources })=> dataSources.db.addUser(displayName),
+        login: (_, {id}) => {console.log(id); return verifyUser(id);}
     }
 }

src/login.ts

@@ -45,14 +45,15 @@ const typeDefs = gql`
     type Query{
         requestTutor(reqBy: ID!, subject: String!, timestamp: String!): RequestTutorReturn
         getUserById(id: Int!): UserInterface
-        getMessageById(id: Int!): Message
+        getMessageById(id: Int!): Message 
         hello: String
     }
 
     type Mutation{
+        login(id: String!): String
         deleteMessageById(id: ID!): Int!
         addUser(displayName: String!): UserInterface
     }
-`;
+`
 
 module.exports = typeDefs;

src/resolvers.ts

@@ -46,6 +46,7 @@ function createStore(){
             })
         });
     })
+        
     return db;
 }
 

src/schema.ts

@@ -8,7 +8,6 @@ class SQLSource extends DataSource {
     constructor(db){
         super();
         this.store = db;
-        this.connected = [];
         console.log('done');
     }
     initialize (config){

src/server.ts

@@ -11,8 +11,6 @@ var connected = {
     //id: websocket connection
 };
 wss.on("connection", (ws: WebSocket, req: Request)=>{
-    var id = req.body.id;
-    connected[id] = ws;
     console.log("websocket connected");
 });