修改

frontend/app/lib/claw-auth.ts

@@ -69,6 +69,58 @@ export async function loginAccount(username: string, password: string) {
 	return createSession(account);
 }
 
+const XIAOMI_EMAIL_RE = /^([\w.-]+)@xiaomi\.com$/i;
+
+export function accountIdFromEmail(email: string): string {
+	const match = XIAOMI_EMAIL_RE.exec((email ?? "").trim());
+	if (!match) {
+		throw new Error("请使用小米邮箱（@xiaomi.com）登录");
+	}
+	const prefix = match[1].toLowerCase();
+	if (!/^[a-z0-9._-]{2,40}$/.test(prefix)) {
+		throw new Error(
+			"邮箱前缀只能包含小写字母、数字、点、下划线或中划线，长度 2-40",
+		);
+	}
+	return prefix;
+}
+
+export async function registerByEmail(email: string, password: string) {
+	const accountId = accountIdFromEmail(email);
+	validatePassword(password);
+	const usersFile = await readUsers();
+	if (usersFile.users.some((user) => user.id === accountId)) {
+		throw new Error("该邮箱已注册，请直接登录");
+	}
+	const account: UserRecord = {
+		id: accountId,
+		username: accountId,
+		passwordHash: hashPassword(password),
+		createdAt: new Date().toISOString(),
+	};
+	usersFile.users.push(account);
+	await writeUsers(usersFile);
+	await createAccountDirectories(account.id);
+	return createSession(account);
+}
+
+export async function loginByEmail(email: string, password: string) {
+	const accountId = accountIdFromEmail(email);
+	const usersFile = await readUsers();
+	const account = usersFile.users.find((user) => user.id === accountId);
+	if (!account) {
+		throw new Error("账号不存在，请先注册");
+	}
+	if (!account.passwordHash) {
+		throw new Error("该账号尚未设置密码，请联系管理员重置");
+	}
+	if (!verifyPassword(password, account.passwordHash)) {
+		throw new Error("邮箱或密码错误");
+	}
+	await createAccountDirectories(account.id);
+	return createSession(account);
+}
+
 export async function logoutAccount() {
 	const cookieStore = await cookies();
 	const token = cookieStore.get(COOKIE_NAME)?.value;