@herbertgao/surgio/build/utils/ss.js

Generating rules for Surge, Clash, Quantumult like a PRO

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.stringifySip003Options = exports.parseSSUri = void 0;
const url_1 = require("url");
const logger_1 = require("@surgio/logger");
const types_1 = require("../types");
const index_1 = require("./index");
const logger = (0, logger_1.createLogger)({ service: 'surgio:utils:ss' });
const parseSSUri = (str) => {
    logger.debug('Shadowsocks URI', str);
    const scheme = new url_1.URL(str);
    const pluginString = scheme.searchParams.get('plugin');
    // SIP002 兼容：若 URL 已经拆分出 username/password，则说明 userinfo 为明文形式
    let userInfo;
    if (scheme.password) {
        userInfo = [
            decodeURIComponent(scheme.username),
            decodeURIComponent(scheme.password),
        ];
    }
    else {
        userInfo = (0, index_1.fromUrlSafeBase64)(decodeURIComponent(scheme.username)).split(':');
    }
    const pluginInfo = typeof pluginString === 'string'
        ? (0, index_1.decodeStringList)(pluginString.split(';'))
        : {};
    // SIP001 兼容：如果未能正确取得 method 或 password，且未出现 '@'，尝试解析整段 Base64 主机名
    if (!userInfo[0] || userInfo.length < 2) {
        try {
            const legacyStr = (0, index_1.fromUrlSafeBase64)(scheme.hostname);
            // legacyStr 形如 method:password@host:port
            const atIndex = legacyStr.indexOf('@');
            if (atIndex > 0) {
                const [cred, hostPort] = [legacyStr.slice(0, atIndex), legacyStr.slice(atIndex + 1)];
                const [legacyMethod, legacyPassword] = cred.split(':');
                const [legacyHost, legacyPort] = hostPort.split(':');
                if (legacyMethod && legacyPassword && legacyHost && legacyPort) {
                    userInfo = [legacyMethod, legacyPassword];
                    // 覆盖 hostname、port
                    scheme.hostname = legacyHost;
                    scheme.port = legacyPort;
                }
            }
        }
        catch (_) {
            // ignore
        }
    }
    return {
        type: types_1.NodeTypeEnum.Shadowsocks,
        nodeName: decodeURIComponent(scheme.hash.replace('#', '')),
        hostname: scheme.hostname,
        port: scheme.port,
        method: userInfo[0],
        password: userInfo[1],
        ...(pluginInfo['obfs-local']
            ? {
                obfs: pluginInfo.obfs,
                obfsHost: pluginInfo['obfs-host'] + '',
            }
            : null),
        ...(pluginInfo['simple-obfs']
            ? {
                obfs: pluginInfo.obfs,
                obfsHost: pluginInfo['obfs-host'] + '',
            }
            : null),
        ...(pluginInfo['v2ray-plugin']
            ? {
                obfs: pluginInfo.tls ? 'wss' : 'ws',
                obfsHost: pluginInfo.host + '',
            }
            : null),
    };
};
exports.parseSSUri = parseSSUri;
// Marshal SIP003 plugin options in PossibleNodeConfigType to formatted string.
// An example is 'a=123;host=https://a.com/foo?bar\=baz&q\\q\=1&w\;w\=2;mode=quic;tls=true',
// where semicolons, equal signs and backslashes MUST be escaped with a backslash.
const stringifySip003Options = (args) => {
    if (!args) {
        return '';
    }
    const keys = Object.keys(args).sort();
    const pairs = [];
    for (const key of keys) {
        pairs.push(`${key.replace(/([;=\\])/g, '\\$1')}=${args[key]
            .toString()
            .replace(/([;=\\])/g, '\\$1')}`);
    }
    return pairs.join(';');
};
exports.stringifySip003Options = stringifySip003Options;
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