security: remove Change Email feature (leaked key = account hijack)
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DocFast Bot 2026-02-17 11:40:27 +00:00
parent 1702abdeb8
commit f5cea97adf
12 changed files with 80 additions and 849 deletions

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@ -1,99 +0,0 @@
import { Router } from "express";
import type { Request, Response } from "express";
import rateLimit from "express-rate-limit";
import { createPendingVerification, verifyCode } from "../services/verification.js";
import { sendVerificationEmail } from "../services/email.js";
import { getAllKeys, updateKeyEmail } from "../services/keys.js";
import logger from "../services/logger.js";
const router = Router();
const changeLimiter = rateLimit({
windowMs: 60 * 60 * 1000,
max: 3,
message: { error: "Too many attempts. Please try again in 1 hour." },
standardHeaders: true,
legacyHeaders: false,
});
router.post("/", changeLimiter, async (req: Request, res: Response) => {
const apiKey = req.headers.authorization?.replace(/^Bearer\s+/i, "") || req.body?.apiKey;
const newEmail = req.body?.newEmail;
if (!apiKey || typeof apiKey !== "string") {
res.status(400).json({ error: "API key is required (Authorization header or body)." });
return;
}
if (!newEmail || typeof newEmail !== "string" || !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(newEmail)) {
res.status(400).json({ error: "A valid new email address is required." });
return;
}
const cleanEmail = newEmail.trim().toLowerCase();
const keys = getAllKeys();
const userKey = keys.find((k: any) => k.key === apiKey);
if (!userKey) {
res.status(401).json({ error: "Invalid API key." });
return;
}
const existing = keys.find((k: any) => k.email === cleanEmail);
if (existing) {
res.status(409).json({ error: "This email is already associated with another account." });
return;
}
const pending = await createPendingVerification(cleanEmail);
sendVerificationEmail(cleanEmail, (pending as any).code).catch((err: Error) => {
logger.error({ err, email: cleanEmail }, "Failed to send email change verification");
});
res.json({ status: "verification_sent", message: "Verification code sent to your new email address." });
});
router.post("/verify", changeLimiter, async (req: Request, res: Response) => {
const apiKey = req.headers.authorization?.replace(/^Bearer\s+/i, "") || req.body?.apiKey;
const { newEmail, code } = req.body || {};
if (!apiKey || !newEmail || !code) {
res.status(400).json({ error: "API key, new email, and code are required." });
return;
}
const cleanEmail = newEmail.trim().toLowerCase();
const cleanCode = String(code).trim();
const keys = getAllKeys();
const userKey = keys.find((k: any) => k.key === apiKey);
if (!userKey) {
res.status(401).json({ error: "Invalid API key." });
return;
}
const result = await verifyCode(cleanEmail, cleanCode);
switch (result.status) {
case "ok": {
const updated = await updateKeyEmail(apiKey, cleanEmail);
if (updated) {
res.json({ status: "updated", message: "Email address updated successfully.", newEmail: cleanEmail });
} else {
res.status(500).json({ error: "Failed to update email." });
}
break;
}
case "expired":
res.status(410).json({ error: "Verification code has expired. Please request a new one." });
break;
case "max_attempts":
res.status(429).json({ error: "Too many failed attempts. Please request a new code." });
break;
case "invalid":
res.status(400).json({ error: "Invalid verification code." });
break;
}
});
export { router as emailChangeRouter };