[Feature] 允许转换非 Base64“正常”订阅

[iliya-pro]

verify

• 我已经仔细阅读项目文档，确认现有功能无法解决我的需求
• 我已经检索过现有issue，确认与现有issue的内容并不重复
• 我已经尝试自行解决，确认自己没有能力解决

功能描述

令人惊讶的是，子转换器无法与非 Base64 “正常”订阅配合使用。

例如，以下命令：
http://127.0.0.1:25500/sub?target=clash&url=https%3A%2F%2Fraw.githubusercontent.com%2FSoliSpirit%2Fv2ray-configs%2Frefs%2Fheads%2Fmain%2FCountries%2FBelgium.txt

Belgium.txt内容：

ss://YWVzLTI1Ni1nY206eDIzWjRMR2tHRGtUaFo5S2F6NERVUlFw@188.95.55.125:40093#🔥Join+Telegram:@FarahVPN🟣
ss://YWVzLTI1Ni1nY206eDIzWjRMR2tHRGtUaFo5S2F6NERVUlFw@185.232.21.53:40093#🔥Join+Telegram:@FarahVPN🟣
ss://YWVzLTI1Ni1jZmI6ZjhmN2FDemNQS2JzRjhwMw@194.71.227.178:989#🔥Join+Telegram:@FarahVPN🟣
ss://Y2hhY2hhMjAtaWV0Zi1wb2x5MTMwNTpHIXlCd1BXSDNWYW8@193.9.114.34:805#🔥Join+Telegram:@FarahVPN🟣
ss://YWVzLTI1Ni1nY206enU2cVRLampyTjhxSnBmbldhN2s0Wldq@194.110.115.93:44208#🔥Join+Telegram:@FarahVPN🟣
ss://YWVzLTI1Ni1nY206eDIzWjRMR2tHRGtUaFo5S2F6NERVUlFw@37.120.218.253:40093#🔥Join+Telegram:@FarahVPN🟣
ss://YWVzLTI1Ni1jZmI6ZjhmN2FDemNQS2JzRjhwMw==@192.71.249.78:989#🔥Join+Telegram:@FarahVPN🟣
ss://YWVzLTI1Ni1nY206eDIzWjRMR2tHRGtUaFo5S2F6NERVUlFw@188.95.55.115:40093#🔥Join+Telegram:@FarahVPN🟣
ss://Y2hhY2hhMjAtaWV0Zi1wb2x5MTMwNTpHIXlCd1BXSDNWYW8@193.9.114.34:809#🔥Join+Telegram:@FarahVPN🟣
ss://Y2hhY2hhMjAtaWV0Zi1wb2x5MTMwNTpHIXlCd1BXSDNWYW8@193.9.114.34:801#🔥Join+Telegram:@FarahVPN🟣
ss://YWVzLTI1Ni1nY206eDIzWjRMR2tHRGtUaFo5S2F6NERVUlFw@188.95.55.123:40093#🔥Join+Telegram:@FarahVPN🟣
ss://YWVzLTI1Ni1nY206eDIzWjRMR2tHRGtUaFo5S2F6NERVUlFw@194.110.115.83:40093#🔥Join+Telegram:@FarahVPN🟣
ss://YWVzLTI1Ni1nY206eDIzWjRMR2tHRGtUaFo5S2F6NERVUlFw@37.120.236.147:40093#🔥Join+Telegram:@FarahVPN🟣
ss://YWVzLTI1Ni1nY206eDIzWjRMR2tHRGtUaFo5S2F6NERVUlFw@188.95.55.108:40093#🔥Join+Telegram:@FarahVPN🟣
vless://157448af-8ecf-4075-a9e9-b23a6a94899b@79.127.224.12:8443?security=tls&sni=bru-be-01.fromblancwithlove.com&type=tcp&alpn=h2&allowInsecure=1#🔥Join+Telegram:@FarahVPN🟣
vless://6d4ddb94-ebb6-4884-9711-00d0ca9d7dbe@151.101.8.163:80?security=none&type=ws&host=game.baziha0098.ir&path=%2F%3Fed%3D2048#🔥Join+Telegram:@FarahVPN🟣

显示错误：

2025/02/18 Tue 22:37:00.448597 [1 Thread-3][VERB] Invalid subscription: 'https://raw.githubusercontent.com/SoliSpirit/v2ray-configs/refs/heads/main/Countries/Belgium.txt'!
2025/02/18 Tue 22:37:00.448617 [1 Thread-3][WARN] The following link doesn't contain any valid node info: https://raw.githubusercontent.com/SoliSpirit/v2ray-configs/refs/heads/main/Countries/Belgium.txt

可能的解决方案

也许我错过了什么，而子转换器已经有了针对此问题的解决方案？

但是，我仔细阅读了手册，却一无所获。

然后，我在子转换器代码中做了一些调查，这个问题的解决方案似乎很简单。您只需要在explodeSub（）函数中添加额外的检查：

// File: src/parser/subparser.cpp
...
void explodeSub(std::string sub, std::vector<Proxy> &nodes)
{
    ...
    //try to parse as normal subscription
    if(!processed)
    {
        // >>> Modification start <<<
        if(!regFind(sub, "[^a-zA-Z0-9+/=]") // probably Base64-encoded string?
        {
            sub = urlSafeBase64Decode(sub);
        }
        // >>> Modification end <<<
        if(regFind(sub, "(vmess|shadowsocks|http|trojan)\\s*?="))
        {
            ...
        }
        ...
    }
}

这可能不是一个理想的解决方案，但仍然比当前的行为好得多。