SnowCat 雪猫底层全源码:NapCat 4.18.28 底座 + SnowLuma 能力移植 + V8 通道适配 9.9.37
26 包 monorepo(TS 全源码): - snowcat-core: NT 内核 API 封装 + listener(含 9.9.37 六回调适配)+ Packet 发包 - snowcat-onebot: OneBot v11 全动作 + MCP Streamable HTTP 适配器 + 稳定线 - snowcat-webui-frontend/backend: 雪猫控制台(React+HeroUI) - snowcat-shell: 单文件 bundle 出口(vite inlineDynamicImports) - snowcat-native: napi2native / MoeHoo / ffmpeg / pty 运行时 - 56 项 SnowLuma 独门动作移植(qzone 全家桶/群相册/装扮/闪照/收藏) - 工具件: 解包器/启动器/便携制作器/doctor GitHub 关联已全量指向 DandanLLab/SnowCatQQ
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import crypto from 'crypto';
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import store from 'snowcat-common/src/store';
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import type { WebUiCredentialJson, WebUiCredentialInnerJson } from '@/snowcat-webui-backend/src/types';
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export class AuthHelper {
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private static readonly secretKey = process.env['NAPCAT_WEBUI_JWT_SECRET_KEY'] || Math.random().toString(36).slice(2);
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private static readonly MAX_CREDENTIAL_VALID_SECONDS = 3600;
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public static getSecretKey (): string {
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return AuthHelper.secretKey;
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}
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/**
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* 签名凭证方法。
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* @param hash 待签名的凭证字符串。
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* @returns 签名后的凭证对象。
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*/
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public static signCredential (hash: string): WebUiCredentialJson {
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const innerJson: WebUiCredentialInnerJson = {
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// 统一使用秒级时间戳,避免与校验逻辑出现单位不一致
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CreatedTime: Math.floor(Date.now() / 1000),
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HashEncoded: hash,
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};
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const jsonString = JSON.stringify(innerJson);
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const hmac = crypto.createHmac('sha256', AuthHelper.secretKey).update(jsonString, 'utf8').digest('hex');
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return { Data: innerJson, Hmac: hmac };
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}
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/**
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* 检查凭证是否被篡改的方法。
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* @param credentialJson 凭证的JSON对象。
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* @returns 布尔值,表示凭证是否有效。
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*/
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public static checkCredential (credentialJson: WebUiCredentialJson): boolean {
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try {
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const jsonString = JSON.stringify(credentialJson.Data);
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const calculatedHmac = crypto
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.createHmac('sha256', AuthHelper.secretKey)
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.update(jsonString, 'utf8')
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.digest('hex');
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return calculatedHmac === credentialJson.Hmac;
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} catch (_error) {
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return false;
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}
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}
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/**
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* 验证凭证在1小时内有效且token与原始token相同。
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* @param token 待验证的原始token。
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* @param credentialJson 已签名的凭证JSON对象。
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* @returns 布尔值,表示凭证是否有效且token匹配。
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*/
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public static validateCredentialWithinOneHour (token: string, credentialJson: WebUiCredentialJson): boolean {
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// 首先检查凭证是否被篡改
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const isValid = AuthHelper.checkCredential(credentialJson);
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if (!isValid) {
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return false;
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}
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// 检查凭证是否在黑名单中
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if (AuthHelper.isCredentialRevoked(credentialJson)) {
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return false;
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}
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const currentTimeSeconds = Math.floor(Date.now() / 1000);
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const createdTimeSeconds = Math.floor(Number(credentialJson.Data.CreatedTime));
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const timeDifferenceSeconds = currentTimeSeconds - createdTimeSeconds;
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const isWithinOneHour = timeDifferenceSeconds >= 0 && timeDifferenceSeconds <= AuthHelper.MAX_CREDENTIAL_VALID_SECONDS;
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return isWithinOneHour && credentialJson.Data.HashEncoded === AuthHelper.generatePasswordHash(token);
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}
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/**
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* 注销指定的Token凭证
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* @param credentialJson 凭证JSON对象
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* @returns void
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*/
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public static revokeCredential (credentialJson: WebUiCredentialJson): void {
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const jsonString = JSON.stringify(credentialJson.Data);
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const hmac = crypto.createHmac('sha256', AuthHelper.secretKey).update(jsonString, 'utf8').digest('hex');
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// 将已注销的凭证添加到黑名单中,有效期1小时
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store.set(`revoked:${hmac}`, true, 3600);
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}
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/**
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* 检查凭证是否已被注销
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* @param credentialJson 凭证JSON对象
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* @returns 布尔值,表示凭证是否已被注销
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*/
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public static isCredentialRevoked (credentialJson: WebUiCredentialJson): boolean {
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const jsonString = JSON.stringify(credentialJson.Data);
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const hmac = crypto.createHmac('sha256', AuthHelper.secretKey).update(jsonString, 'utf8').digest('hex');
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return store.exists(`revoked:${hmac}`) > 0;
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}
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/**
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* 生成密码Hash
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* @param password 密码
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* @returns 生成的Hash值
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*/
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public static generatePasswordHash (password: string): string {
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return crypto.createHash('sha256').update(password + '.napcat').digest().toString('hex');
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}
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/**
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* 对比密码和Hash值
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* @param password 密码
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* @param hash Hash值
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* @returns 布尔值,表示密码是否匹配Hash值
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*/
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public static comparePasswordHash (password: string, hash: string): boolean {
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return this.generatePasswordHash(password) === hash;
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}
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}
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