注册加锁

This commit is contained in:
mtvpls
2025-12-24 00:55:37 +08:00
parent bc8b9515a8
commit 3112e99395
3 changed files with 170 additions and 77 deletions

View File

@@ -3,6 +3,7 @@ import { NextRequest, NextResponse } from 'next/server';
import { getConfig } from '@/lib/config';
import { db } from '@/lib/db';
import { lockManager } from '@/lib/lock';
export const runtime = 'nodejs';
@@ -93,89 +94,78 @@ export async function POST(req: NextRequest) {
);
}
// 检查用户是否已存在(优先使用新版本)
let userExists = await db.checkUserExistV2(username);
if (!userExists) {
// 回退到旧版本检查
userExists = await db.checkUserExist(username);
}
if (userExists) {
return NextResponse.json(
{ error: '用户名已存在' },
{ status: 409 }
);
}
// 检查配置中是否已存在
const existingUser = config.UserConfig.Users.find((u) => u.username === username);
if (existingUser) {
return NextResponse.json(
{ error: '用户名已存在' },
{ status: 409 }
);
}
// 如果开启了Turnstile验证
if (siteConfig.RegistrationRequireTurnstile) {
if (!turnstileToken) {
return NextResponse.json(
{ error: '请完成人机验证' },
{ status: 400 }
);
}
if (!siteConfig.TurnstileSecretKey) {
console.error('Turnstile Secret Key未配置');
return NextResponse.json(
{ error: '服务器配置错误' },
{ status: 500 }
);
}
// 验证Turnstile Token
const isValid = await verifyTurnstileToken(turnstileToken, siteConfig.TurnstileSecretKey);
if (!isValid) {
return NextResponse.json(
{ error: '人机验证失败,请重试' },
{ status: 400 }
);
}
}
// 创建用户
// 获取用户名锁,防止并发注册
let releaseLock: (() => void) | null = null;
try {
// 1. 使用新版本创建用户带SHA256加密
const defaultTags = siteConfig.DefaultUserTags && siteConfig.DefaultUserTags.length > 0
? siteConfig.DefaultUserTags
: undefined;
releaseLock = await lockManager.acquire(`register:${username}`);
} catch (error) {
return NextResponse.json(
{ error: '服务器繁忙,请稍后重试' },
{ status: 503 }
);
}
await db.createUserV2(username, password, 'user', defaultTags);
// 2. 同时在旧版本存储中创建(保持兼容性)
await db.registerUser(username, password);
// 3. 将用户添加到管理员配置的用户列表中(保持兼容性)
const newUser: any = {
username: username,
role: 'user',
banned: false,
};
// 4. 如果配置了默认用户组,分配给新用户
if (defaultTags) {
newUser.tags = defaultTags;
try {
// 检查用户是否已存在只检查V2存储
const userExists = await db.checkUserExistV2(username);
if (userExists) {
return NextResponse.json(
{ error: '用户名已存在' },
{ status: 409 }
);
}
config.UserConfig.Users.push(newUser);
// 如果开启了Turnstile验证
if (siteConfig.RegistrationRequireTurnstile) {
if (!turnstileToken) {
return NextResponse.json(
{ error: '请完成人机验证' },
{ status: 400 }
);
}
// 5. 保存更新后的配置
await db.saveAdminConfig(config);
if (!siteConfig.TurnstileSecretKey) {
console.error('Turnstile Secret Key未配置');
return NextResponse.json(
{ error: '服务器配置错误' },
{ status: 500 }
);
}
// 注册成功
return NextResponse.json({ ok: true, message: '注册成功' });
} catch (err) {
console.error('创建用户失败', err);
return NextResponse.json({ error: '注册失败,请稍后重试' }, { status: 500 });
// 验证Turnstile Token
const isValid = await verifyTurnstileToken(turnstileToken, siteConfig.TurnstileSecretKey);
if (!isValid) {
return NextResponse.json(
{ error: '人机验证失败,请重试' },
{ status: 400 }
);
}
}
// 创建用户
try {
// 使用新版本创建用户带SHA256加密
const defaultTags = siteConfig.DefaultUserTags && siteConfig.DefaultUserTags.length > 0
? siteConfig.DefaultUserTags
: undefined;
await db.createUserV2(username, password, 'user', defaultTags);
// 注册成功
return NextResponse.json({ ok: true, message: '注册成功' });
} catch (err: any) {
console.error('创建用户失败', err);
// 如果是用户已存在的错误返回409
if (err.message === '用户已存在') {
return NextResponse.json({ error: '用户名已存在' }, { status: 409 });
}
return NextResponse.json({ error: '注册失败,请稍后重试' }, { status: 500 });
}
} finally {
// 释放锁
if (releaseLock) {
releaseLock();
}
}
} catch (error) {
console.error('注册接口异常', error);

95
src/lib/lock.ts Normal file
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@@ -0,0 +1,95 @@
/* eslint-disable @typescript-eslint/no-explicit-any */
// 简单的内存锁管理器
class LockManager {
private locks: Map<string, { locked: boolean; queue: Array<() => void> }> = new Map();
private readonly LOCK_TIMEOUT = 10000; // 10秒超时
async acquire(key: string): Promise<() => void> {
// 获取或创建锁对象
if (!this.locks.has(key)) {
this.locks.set(key, { locked: false, queue: [] });
}
const lock = this.locks.get(key)!;
// 如果锁未被占用,立即获取
if (!lock.locked) {
lock.locked = true;
// 设置超时自动释放
const timeoutId = setTimeout(() => {
this.release(key);
}, this.LOCK_TIMEOUT);
// 返回释放函数
return () => {
clearTimeout(timeoutId);
this.release(key);
};
}
// 如果锁已被占用,等待
return new Promise((resolve, reject) => {
const timeoutId = setTimeout(() => {
// 超时,从队列中移除
const index = lock.queue.indexOf(callback);
if (index > -1) {
lock.queue.splice(index, 1);
}
reject(new Error('获取锁超时'));
}, this.LOCK_TIMEOUT);
const callback = () => {
clearTimeout(timeoutId);
lock.locked = true;
// 设置超时自动释放
const lockTimeoutId = setTimeout(() => {
this.release(key);
}, this.LOCK_TIMEOUT);
resolve(() => {
clearTimeout(lockTimeoutId);
this.release(key);
});
};
lock.queue.push(callback);
});
}
private release(key: string): void {
const lock = this.locks.get(key);
if (!lock) return;
// 如果队列中有等待者,唤醒下一个
if (lock.queue.length > 0) {
const next = lock.queue.shift();
if (next) {
next();
}
} else {
// 没有等待者,释放锁
lock.locked = false;
// 清理空的锁对象
this.locks.delete(key);
}
}
// 清理所有锁(用于测试或重置)
clear(): void {
this.locks.clear();
}
}
// 全局单例
const globalKey = Symbol.for('__MOONTV_LOCK_MANAGER__');
let lockManager: LockManager | undefined = (global as any)[globalKey];
if (!lockManager) {
lockManager = new LockManager();
(global as any)[globalKey] = lockManager;
}
export { lockManager };

View File

@@ -252,6 +252,14 @@ export class UpstashRedisStorage implements IStorage {
oidcSub?: string,
enabledApis?: string[]
): Promise<void> {
// 先检查用户是否已存在(原子性检查)
const exists = await withRetry(() =>
this.client.exists(this.userInfoKey(userName))
);
if (exists === 1) {
throw new Error('用户已存在');
}
const hashedPassword = await this.hashPassword(password);
const createdAt = Date.now();