From 7981f1e04589ae6cf447f93aef33e7bdb91b2d8a Mon Sep 17 00:00:00 2001
From: C4illin <emrik.ostling@gmail.com>
Date: Mon, 18 Mar 2024 22:14:56 +0100
Subject: [PATCH] resend email if account isn't active

---
 backend/index.js | 78 +++++++++++++++++++++++++++++++++++++-----------
 frontend/app.js  | 20 ++++++-------
 2 files changed, 71 insertions(+), 27 deletions(-)

diff --git a/backend/index.js b/backend/index.js
index badde4e..c790ae5 100644
--- a/backend/index.js
+++ b/backend/index.js
@@ -96,11 +96,50 @@ app.post("/register", async (req, res) => {
 		let sql = "SELECT * FROM users WHERE email = ?";
 		let rows = await conn.query(sql, [userEmail]);
 		if (rows.length > 0) {
-			res
-				.status(400)
-				.send(
-					"Email already in use, search your inbox for a confirmation email or contact an admin for assistance",
-				);
+			// If the account is not active, resend the confirmation email
+			if (!rows[0].active) {
+				sql = "SELECT token FROM confirmations WHERE user_id = ?";
+				const tokenRows = await conn.query(sql, [rows[0].id]);
+				if (tokenRows.length > 0) {
+					const token = tokenRows[0].token;
+					try {
+						await sendConfirmationEmail(
+							userEmail,
+							req.headers.host,
+							token,
+							transporter,
+						);
+						res.send(
+							"Account already exists but is not active. Confirmation email has been resent. Check your inbox and spam folder.",
+						);
+					} catch (err) {
+						console.error(err);
+						res.status(500).send("Failed to send confirmation email");
+						return;
+					}
+				} else {
+					res
+						.status(400)
+						.send(
+							"Account already exists but is not active, and no confirmation token found. Contact an admin for assistance.",
+						);
+				}
+			} else {
+				res.status(400).send("Account already exists and is active.");
+			}
+			return;
+		}
+
+		try {
+			await sendConfirmationEmail(
+				userEmail,
+				req.headers.host,
+				token,
+				transporter,
+			);
+		} catch (err) {
+			console.error(err);
+			res.status(500).send("Failed to send confirmation email");
 			return;
 		}
 
@@ -118,27 +157,32 @@ app.post("/register", async (req, res) => {
 		if (conn) conn.end();
 	}
 
-	// Send email with the token
+	res.send("Check your email for a confirmation link");
+});
+
+function sendConfirmationEmail(userEmail, host, token, transporter) {
 	const mailOptions = {
 		from: `"${process.env.MAIL_NAME}" <${process.env.MAIL_FROM}>`,
 		to: userEmail,
 		subject: "Registration Confirmation for mc.chs.se",
 		text: `Hello,
-Please confirm your registration by clicking the following link: http://${req.headers.host}/confirm/${token}
+Please confirm your registration by clicking the following link: http://${host}/confirm/${token}
 
 If you did not request this, please ignore this email.`,
 	};
 
-	transporter.sendMail(mailOptions, (err) => {
-		if (err) {
-			console.error("There was an error: ", err);
-      res.status(500).send("Failed to send email");
-		} else {
-			console.log("Email sent");
-      res.send("Check your email for a confirmation link");
-		}
+	return new Promise((resolve, reject) => {
+		transporter.sendMail(mailOptions, (err, info) => {
+			if (err) {
+				console.error("There was an error: ", err);
+				reject(err);
+			} else {
+				console.log("Email sent: ", info.response);
+				resolve(info);
+			}
+		});
 	});
-});
+}
 
 app.get("/confirm/:token", async (req, res) => {
 	const token = req.params.token;
@@ -160,7 +204,7 @@ app.get("/confirm/:token", async (req, res) => {
         }, 3000);
       </script>`);
 		} else {
-			res.send("Invalid token. Try again. <a href='/'>Go to back</a>");
+			res.send("Invalid token. Try again. <a href='/'>Go to start</a>");
 		}
 	} catch (err) {
 		console.error(err);
diff --git a/frontend/app.js b/frontend/app.js
index eeeb0e7..bb00a35 100644
--- a/frontend/app.js
+++ b/frontend/app.js
@@ -16,22 +16,22 @@ const converter = new Converter({ newline: true });
 
 tippy("[data-tippy-content]");
 
-let navbarMenu = document.getElementById("navbarMenu");
+const navbarMenu = document.getElementById("navbarMenu");
 
-let navbarBurger = document.getElementById("navbar-burger");
-navbarBurger.addEventListener("click", function () {
+const navbarBurger = document.getElementById("navbar-burger");
+navbarBurger.addEventListener("click", () => {
   navbarBurger.classList.toggle("is-active");
   navbarMenu.classList.toggle("is-active");
 });
 
-document.body.addEventListener("click", function (e) {
+document.body.addEventListener("click", (e) => {
   if (e.target.classList.contains("chs-modal-close")) {
-    let modal = e.target.getAttribute("data-modal");
+    const modal = e.target.getAttribute("data-modal");
     document.getElementById(modal).classList.remove("is-active");
   }
 
   if (e.target.classList.contains("chs-modal-open")) {
-    let modal = e.target.getAttribute("data-modal");
+    const modal = e.target.getAttribute("data-modal");
     document.getElementById(modal).classList.add("is-active");
   }
 
@@ -40,7 +40,7 @@ document.body.addEventListener("click", function (e) {
   }
 });
 
-let statusElem = document.getElementById("status");
+const statusElem = document.getElementById("status");
 async function updateMOTD() {
   try {
     const response = await fetch("/ping");
@@ -51,9 +51,9 @@ async function updateMOTD() {
     const rendered = mustache.render(
       document.getElementById("motd-template-success").innerHTML,
       {
-        current: data["players"]["online"],
-        max: data["players"]["max"],
-        motd: converter.toHTML(converter.parse(data["description"])),
+        current: data.players.online,
+        max: data.players.max,
+        motd: converter.toHTML(converter.parse(data.description)),
       }
     );
     statusElem.innerHTML = rendered;