IC

.gitignore

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+node_modules/

index.js

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+const express = require("express");
+const app = express();
+const port = 3000;
+const firebase = require("firebase/app");
+require("firebase/auth");
+require("firebase/firestore");
+const firebaseConfig = {
+	apiKey: "AIzaSyBAwmNk8Ch2KWM0havXYLvpFwJSlxGSVNA",
+	authDomain: "hanasu-2.firebaseapp.com",
+	projectId: "hanasu-2",
+	storageBucket: "hanasu-2.appspot.com",
+	messagingSenderId: "245069176356",
+	appId: "1:245069176356:web:4e04f966f93730898a42b1"
+};
+firebase.initializeApp(firebaseConfig);
+const db = firebase.firestore();
+app.use(express.json());
+
+app.post("/signin", (req, res) => {
+	firebase
+		.auth()
+		.signInWithEmailAndPassword(req.body.email, req.body.password)
+		.then((result) => {
+			res.send({
+				uid: result.user.uid,
+				loggedIn: true
+			});
+		})
+		.catch((error) => {
+			console.error(error.message);
+			res.send(error.message);
+		});
+});
+
+app.post("/signup", (req, res) => {
+	firebase
+		.auth()
+		.createUserWithEmailAndPassword(req.body.email, req.body.password)
+		.then((result) => {
+			db.collection("Users").doc(result.user.uid).set({
+				email: req.body.email,
+				username: req.body.username,
+				target_language: req.body.target_language,
+				proficient_language: req.body.proficient_language
+			});
+			res.send({
+				uid: result.user.uid,
+				loggedIn: true
+			});
+		})
+		.catch((error) => {
+			console.error(error.message);
+			res.send(error.message);
+		});
+});
+
+app.listen(port, () => {
+	console.log(`Example app listening on port ${port}!`);
+});