mirror of
https://github.com/Qv2ray/Qv2ray.git
synced 2025-05-20 10:50:23 +08:00
add: added basic SSD decoder, by @DuckSoft
This commit is contained in:
Qv2ray-dev
parent
8ce165a116
commit
5c84d8d583
@ -1,240 +0,0 @@
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#pragma once
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#include "base/Qv2rayBase.hpp"
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#include "common/QvHelpers.hpp"
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namespace Qv2ray::core::handlers
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{
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/**
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* A Naive SSD Decoder for Qv2ray
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*
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* @author DuckSoft <realducksoft@gmail.com>
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* @copyright Licensed under GPLv3.
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*/
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namespace ssd
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{
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/**
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* pattern for the nodes in ssd links.
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*
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* %1: airport name
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* %2: node name
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* %3: rate
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*/
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inline auto DEFAULT_NAME_PATTERN = QString::tr("%1 - %2 (rate %3)");
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/**
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* @brief decodeSSD
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* @param uri the uri of ssd link.
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* @param pattern the pattern for node names.
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* @return tuple of:
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* - tuple of:
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* - airport name (for the sake of grouping)
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* - shadowsocks configuration list
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* - log list
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* in case of error, no objects will be returned.
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*/
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std::pair<std::optional<std::pair<QString, QList<std::pair<QString, ShadowSocksServerObject>>>>, QStringList> decodeSSD(
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const QString &uri, const QString &pattern = DEFAULT_NAME_PATTERN);
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} // namespace ssd
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} // namespace Qv2ray::core::handlers
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#define MUST_EXIST(fieldName) \
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if (obj[(fieldName)].isUndefined()) \
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{ \
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logList << QObject::tr("invalid ssd link: json: field %1 must exist").arg(fieldName); \
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return std::make_pair(std::nullopt, logList); \
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}
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#define MUST_PORT(fieldName) \
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MUST_EXIST(fieldName); \
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if (int value = obj[(fieldName)].toInt(-1); value < 0 || value > 65535) \
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{ \
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logList << QObject::tr("invalid ssd link: json: field %1 must be valid port number"); \
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return std::make_pair(std::nullopt, logList); \
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}
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#define MUST_STRING(fieldName) \
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MUST_EXIST(fieldName); \
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if (!obj[(fieldName)].isString()) \
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{ \
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logList << QObject::tr("invalid ssd link: json: field %1 must be of type 'string'").arg(fieldName); \
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return std::make_pair(std::nullopt, logList); \
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}
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#define MUST_ARRAY(fieldName) \
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MUST_EXIST(fieldName); \
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if (!obj[(fieldName)].isArray()) \
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{ \
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logList << QObject::tr("invalid ssd link: json: field %1 must be an array").arg(fieldName); \
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return std::make_pair(std::nullopt, logList); \
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}
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#define SERVER_SHOULD_BE_OBJECT(server) \
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if (!server.isObject()) \
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{ \
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logList << QObject::tr("skipping invalid ssd server: server must be an object"); \
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continue; \
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}
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#define SHOULD_EXIST(fieldName) \
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if (serverObject[(fieldName)].isUndefined()) \
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{ \
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logList << QObject::tr("skipping invalid ssd server: missing required field %1").arg(fieldName); \
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continue; \
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}
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#define SHOULD_STRING(fieldName) \
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SHOULD_EXIST(fieldName); \
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if (!serverObject[(fieldName)].isString()) \
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{ \
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logList << QObject::tr("skipping invalid ssd server: field %1 should be of type 'string'").arg(fieldName); \
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continue; \
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}
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std::pair<std::optional<std::pair<QString, QList<std::pair<QString, ShadowSocksServerObject>>>>, QStringList> Qv2ray::core::handlers::ssd::
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decodeSSD(const QString &uri, const QString &pattern)
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{
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// The list for the parsing log.
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QStringList logList;
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// ssd links should begin with "ssd://"
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if (!uri.startsWith("ssd://"))
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{
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logList << QObject::tr("invalid ssd link: should begin with ssd://");
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return std::make_pair(std::nullopt, logList);
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}
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// decode base64
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const auto ssdURIBody = QStringRef(&uri, 5, uri.length() - 6);
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const auto decodedJSON = QByteArray::fromBase64(ssdURIBody.toUtf8());
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if (decodedJSON.length() == 0)
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{
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logList << QObject::tr("invalid ssd link: base64 parse failed");
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return std::make_pair(std::nullopt, logList);
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}
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// parse json
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QJsonParseError err;
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QJsonDocument document = QJsonDocument::fromJson(decodedJSON, &err);
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if (document.isNull())
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{
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logList << QObject::tr("invalid ssd link: json parse failed: ") % err.errorString();
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return std::make_pair(std::nullopt, logList);
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}
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// json should be an object
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if (!document.isObject())
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{
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logList << QObject::tr("invalid ssd link: found non-object json, aborting");
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return std::make_pair(std::nullopt, logList);
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}
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// casting to object
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QJsonObject obj = document.object();
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//
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// obj.airport
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MUST_STRING("airport");
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const QString airport = obj["airport"].toString();
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// obj.port
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MUST_PORT("port");
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const int port = obj["port"].toInt();
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// obj.encryption
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MUST_STRING("encryption");
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const QString encryption = obj["encryption"].toString();
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// check: rc4-md5 is not supported by v2ray-core
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// TODO: more checks, including all algorithms
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if (encryption == "rc4-md5")
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{
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logList << QObject::tr("invalid ssd link: rc4-md5 encryption is not supported by v2ray-core");
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return std::make_pair(std::nullopt, logList);
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}
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// obj.password
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MUST_STRING("password");
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const QString password = obj["password"].toString();
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// obj.servers
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MUST_ARRAY("servers");
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//
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QList<std::pair<QString, ShadowSocksServerObject>> serverList;
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//
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// iterate through the servers
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for (QJsonValueRef server : obj["servers"].toArray())
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{
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SERVER_SHOULD_BE_OBJECT(server);
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QJsonObject serverObject = server.toObject();
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ShadowSocksServerObject ssObject;
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// encryption
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ssObject.method = encryption;
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// password
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ssObject.password = password;
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// address :-> "server"
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SHOULD_STRING("server");
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const QString serverAddress = serverObject["server"].toString();
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ssObject.address = serverAddress;
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// port selection:
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// normal: use global settings
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// overriding: use current config
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if (serverObject["port"].isUndefined())
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{
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ssObject.port = port;
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}
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else if (auto currPort = serverObject["port"].toInt(-1); port >= 0 && port <= 65535)
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{
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ssObject.port = currPort;
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}
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else
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{
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logList << QObject::tr("warning: invalid port encountered. using fallback value.");
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ssObject.port = port;
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}
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// name decision:
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// untitled: using server:port as name
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// entitled: using given name
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QString nodeName;
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if (serverObject["remarks"].isUndefined())
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{
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nodeName = QString("%1:%2").arg(ssObject.address).arg(ssObject.port);
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}
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else if (serverObject["remarks"].isString())
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{
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nodeName = serverObject["remarks"].toString();
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}
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else
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{
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logList << QObject::tr("warning: invalid name encountered. using fallback value.");
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nodeName = QString("%1:%2").arg(ssObject.address).arg(ssObject.port);
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}
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// ratio decision:
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// unspecified: ratio = 1
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// specified: use given value
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double ratio = 1.0;
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if (auto currRatio = serverObject["ratio"].toDouble(-1.0); currRatio != -1.0)
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{
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ratio = currRatio;
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}
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else if (!serverObject["ratio"].isUndefined())
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{
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logList << QObject::tr("warning: invalid ratio encountered. using fallback value.");
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}
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// format the total name of the node.
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const QString totalName = pattern.arg(airport, nodeName).arg(ratio);
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// appending to the total list
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serverList.append(make_pair(totalName, ssObject));
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}
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// returns the current result
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return std::make_pair(std::make_pair(airport, serverList), logList);
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}
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#undef MUST_EXIST
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#undef MUST_PORT
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#undef MUST_ARRAY
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#undef MUST_STRING
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#undef SERVER_SHOULD_BE_OBJECT
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#undef SHOULD_EXIST
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#undef SHOULD_STRING
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@ -5,8 +5,15 @@ namespace Qv2ray::core::connection
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{
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{
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namespace Serialization
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namespace Serialization
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{
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{
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/**
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* pattern for the nodes in ssd links.
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* %1: airport name
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* %2: node name
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* %3: rate
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*/
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inline auto QV2RAY_SSD_DEFAULT_NAME_PATTERN = QObject::tr("%1 - %2 (rate %3)");
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//
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// General
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// General
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const auto QV2RAY_SERIALIZATION_COMPLEX_CONFIG_PLACEHOLDER = QObject::tr("(Complex Connection Config)");
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QString DecodeSubscriptionString(QByteArray arr);
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QString DecodeSubscriptionString(QByteArray arr);
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CONFIGROOT ConvertConfigFromString(const QString &link, QString *alias, QString *errMessage);
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CONFIGROOT ConvertConfigFromString(const QString &link, QString *alias, QString *errMessage);
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const QString ConvertConfigToString(const ConnectionId &id, bool isSip002 = false);
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const QString ConvertConfigToString(const ConnectionId &id, bool isSip002 = false);
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@ -26,6 +33,24 @@ namespace Qv2ray::core::connection
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const QString ConvertConfigToSSString(const ShadowSocksServerObject &server, const QString &alias, bool isSip002);
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const QString ConvertConfigToSSString(const ShadowSocksServerObject &server, const QString &alias, bool isSip002);
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} // namespace ss
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} // namespace ss
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//
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//
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// SSD URI Protocol
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namespace ssd
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{
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/**
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* @brief decodeSSD
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* @param uri the uri of ssd link.
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* @param pattern the pattern for node names.
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* @return tuple of:
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* - tuple of:
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* - airport name (for the sake of grouping)
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* - shadowsocks configuration list
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* - log list
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* in case of error, no objects will be returned.
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*/
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std::pair<std::optional<std::pair<QString, QList<std::pair<QString, ShadowSocksServerObject>>>>, QStringList> //
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ConvertConfigFromSSDString(const QString &uri, const QString &pattern = QV2RAY_SSD_DEFAULT_NAME_PATTERN);
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} // namespace ssd
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//
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} // namespace Serialization
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} // namespace Serialization
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} // namespace Qv2ray::core::connection
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} // namespace Qv2ray::core::connection
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@ -33,4 +58,5 @@ using namespace Qv2ray::core;
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using namespace Qv2ray::core::connection;
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using namespace Qv2ray::core::connection;
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using namespace Qv2ray::core::connection::Serialization;
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using namespace Qv2ray::core::connection::Serialization;
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using namespace Qv2ray::core::connection::Serialization::ss;
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using namespace Qv2ray::core::connection::Serialization::ss;
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using namespace Qv2ray::core::connection::Serialization::ssd;
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using namespace Qv2ray::core::connection::Serialization::vmess;
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using namespace Qv2ray::core::connection::Serialization::vmess;
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235
src/core/connection/Serialization_ssd.cpp
Normal file
235
src/core/connection/Serialization_ssd.cpp
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@ -0,0 +1,235 @@
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/**
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* A Naive SSD Decoder for Qv2ray
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*
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* @author DuckSoft <realducksoft@gmail.com>
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* @copyright Licensed under GPLv3.
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*/
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#pragma once
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#include "base/Qv2rayBase.hpp"
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#include "common/QvHelpers.hpp"
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#include "core/connection/Serialization.hpp"
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namespace Qv2ray::core::connection::Serialization
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{
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namespace ssd
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{
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//
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#define default \
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{ \
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{}, logList \
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}
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// These below are super strict checking schemes, but necessary.
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#define MUST_EXIST(fieldName) \
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if (!obj.contains((fieldName)) || obj[(fieldName)].isUndefined() || obj[(fieldName)].isNull()) \
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{ \
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logList << QObject::tr("invalid ssd link: json: field %1 must exist").arg(fieldName); \
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return std::make_pair(std::nullopt, logList); \
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}
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#define MUST_PORT(fieldName) \
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MUST_EXIST(fieldName); \
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if (int value = obj[(fieldName)].toInt(-1); value < 0 || value > 65535) \
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{ \
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logList << QObject::tr("invalid ssd link: json: field %1 must be valid port number"); \
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return std::make_pair(std::nullopt, logList); \
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}
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#define MUST_STRING(fieldName) \
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MUST_EXIST(fieldName); \
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if (!obj[(fieldName)].isString()) \
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{ \
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logList << QObject::tr("invalid ssd link: json: field %1 must be of type 'string'").arg(fieldName); \
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return std::make_pair(std::nullopt, logList); \
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}
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#define MUST_ARRAY(fieldName) \
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MUST_EXIST(fieldName); \
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if (!obj[(fieldName)].isArray()) \
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{ \
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logList << QObject::tr("invalid ssd link: json: field %1 must be an array").arg(fieldName); \
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return std::make_pair(std::nullopt, logList); \
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}
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#define SERVER_SHOULD_BE_OBJECT(server) \
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if (!server.isObject()) \
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{ \
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logList << QObject::tr("skipping invalid ssd server: server must be an object"); \
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continue; \
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}
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#define SHOULD_EXIST(fieldName) \
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if (serverObject[(fieldName)].isUndefined()) \
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{ \
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logList << QObject::tr("skipping invalid ssd server: missing required field %1").arg(fieldName); \
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continue; \
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}
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#define SHOULD_STRING(fieldName) \
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SHOULD_EXIST(fieldName); \
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if (!serverObject[(fieldName)].isString()) \
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{ \
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logList << QObject::tr("skipping invalid ssd server: field %1 should be of type 'string'").arg(fieldName); \
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continue; \
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}
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// std::pair<std::optional<std::pair<QString, QList<std::pair<QString, ShadowSocksServerObject>>>>, QStringList>
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// AKA
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//
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// pair<optional<std::pair<QString, QList<pair<QString, ShadowSocksServerObject>>>>, QStringList>
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// That is....
|
||||||
|
//
|
||||||
|
// A pair of an error string list, together with some optionally existed pair, which contains a QString for airport name and a List of
|
||||||
|
// pairs that contains a QString for connection name and finally, our ShadowSocksServerObject
|
||||||
|
//
|
||||||
|
std::pair<std::optional<std::pair<QString, QList<std::pair<QString, ShadowSocksServerObject>>>>, QStringList> //
|
||||||
|
ConvertConfigFromSSDString(const QString &uri, const QString &pattern)
|
||||||
|
{
|
||||||
|
// The list for the parsing log.
|
||||||
|
QStringList logList;
|
||||||
|
|
||||||
|
// ssd links should begin with "ssd://"
|
||||||
|
if (!uri.startsWith("ssd://"))
|
||||||
|
{
|
||||||
|
logList << QObject::tr("Invalid ssd link: should begin with ssd://");
|
||||||
|
return default;
|
||||||
|
}
|
||||||
|
|
||||||
|
// decode base64
|
||||||
|
const auto ssdURIBody = QStringRef(&uri, 5, uri.length() - 6);
|
||||||
|
const auto decodedJSON = QByteArray::fromBase64(ssdURIBody.toUtf8());
|
||||||
|
|
||||||
|
if (decodedJSON.length() == 0)
|
||||||
|
{
|
||||||
|
logList << QObject::tr("Invalid ssd link: base64 parse failed");
|
||||||
|
return default;
|
||||||
|
}
|
||||||
|
|
||||||
|
// parse json
|
||||||
|
QJsonParseError err;
|
||||||
|
QJsonDocument document = QJsonDocument::fromJson(decodedJSON, &err);
|
||||||
|
|
||||||
|
if (document.isNull())
|
||||||
|
{
|
||||||
|
logList << QObject::tr("Invalid ssd link: json parse failed: ") % err.errorString();
|
||||||
|
return default;
|
||||||
|
}
|
||||||
|
|
||||||
|
// json should be an object
|
||||||
|
if (!document.isObject())
|
||||||
|
{
|
||||||
|
logList << QObject::tr("Invalid ssd link: found non-object json, aborting");
|
||||||
|
return default;
|
||||||
|
}
|
||||||
|
|
||||||
|
// casting to object
|
||||||
|
QJsonObject obj = document.object();
|
||||||
|
//
|
||||||
|
// obj.airport
|
||||||
|
MUST_STRING("airport");
|
||||||
|
const QString airport = obj["airport"].toString();
|
||||||
|
// obj.port
|
||||||
|
MUST_PORT("port");
|
||||||
|
const int port = obj["port"].toInt();
|
||||||
|
// obj.encryption
|
||||||
|
MUST_STRING("encryption");
|
||||||
|
const QString encryption = obj["encryption"].toString();
|
||||||
|
|
||||||
|
// check: rc4-md5 is not supported by v2ray-core
|
||||||
|
// TODO: more checks, including all algorithms
|
||||||
|
if (encryption.toLower() == "rc4-md5")
|
||||||
|
{
|
||||||
|
logList << QObject::tr("Invalid ssd link: rc4-md5 encryption is not supported by v2ray-core");
|
||||||
|
return default;
|
||||||
|
}
|
||||||
|
|
||||||
|
// obj.password
|
||||||
|
MUST_STRING("password");
|
||||||
|
const QString password = obj["password"].toString();
|
||||||
|
// obj.servers
|
||||||
|
MUST_ARRAY("servers");
|
||||||
|
//
|
||||||
|
QList<std::pair<QString, ShadowSocksServerObject>> serverList;
|
||||||
|
//
|
||||||
|
|
||||||
|
// iterate through the servers
|
||||||
|
for (QJsonValueRef server : obj["servers"].toArray())
|
||||||
|
{
|
||||||
|
SERVER_SHOULD_BE_OBJECT(server);
|
||||||
|
QJsonObject serverObject = server.toObject();
|
||||||
|
ShadowSocksServerObject ssObject;
|
||||||
|
// encryption
|
||||||
|
ssObject.method = encryption;
|
||||||
|
// password
|
||||||
|
ssObject.password = password;
|
||||||
|
// address :-> "server"
|
||||||
|
SHOULD_STRING("server");
|
||||||
|
const QString serverAddress = serverObject["server"].toString();
|
||||||
|
ssObject.address = serverAddress;
|
||||||
|
|
||||||
|
// port selection:
|
||||||
|
// normal: use global settings
|
||||||
|
// overriding: use current config
|
||||||
|
if (serverObject["port"].isUndefined())
|
||||||
|
{
|
||||||
|
ssObject.port = port;
|
||||||
|
}
|
||||||
|
else if (auto currPort = serverObject["port"].toInt(-1); port >= 0 && port <= 65535)
|
||||||
|
{
|
||||||
|
ssObject.port = currPort;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
logList << QObject::tr("Invalid port encountered. using fallback value.");
|
||||||
|
ssObject.port = port;
|
||||||
|
}
|
||||||
|
|
||||||
|
// name decision:
|
||||||
|
// untitled: using server:port as name
|
||||||
|
// entitled: using given name
|
||||||
|
QString nodeName;
|
||||||
|
|
||||||
|
if (serverObject["remarks"].isUndefined())
|
||||||
|
{
|
||||||
|
nodeName = QString("%1:%2").arg(ssObject.address).arg(ssObject.port);
|
||||||
|
}
|
||||||
|
else if (serverObject["remarks"].isString())
|
||||||
|
{
|
||||||
|
nodeName = serverObject["remarks"].toString();
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
logList << QObject::tr("Invalid name encountered. using fallback value.");
|
||||||
|
nodeName = QString("%1:%2").arg(ssObject.address).arg(ssObject.port);
|
||||||
|
}
|
||||||
|
|
||||||
|
// ratio decision:
|
||||||
|
// unspecified: ratio = 1
|
||||||
|
// specified: use given value
|
||||||
|
double ratio = 1.0;
|
||||||
|
|
||||||
|
if (auto currRatio = serverObject["ratio"].toDouble(-1.0); currRatio != -1.0)
|
||||||
|
{
|
||||||
|
ratio = currRatio;
|
||||||
|
}
|
||||||
|
else if (!serverObject["ratio"].isUndefined())
|
||||||
|
{
|
||||||
|
logList << QObject::tr("Invalid ratio encountered. using fallback value.");
|
||||||
|
}
|
||||||
|
|
||||||
|
// format the total name of the node.
|
||||||
|
const QString totalName = pattern.arg(airport, nodeName).arg(ratio);
|
||||||
|
// appending to the total list
|
||||||
|
serverList.append(make_pair(totalName, ssObject));
|
||||||
|
}
|
||||||
|
|
||||||
|
// returns the current result
|
||||||
|
return std::make_pair(std::make_pair(airport, serverList), logList);
|
||||||
|
}
|
||||||
|
#undef default
|
||||||
|
#undef MUST_EXIST
|
||||||
|
#undef MUST_PORT
|
||||||
|
#undef MUST_ARRAY
|
||||||
|
#undef MUST_STRING
|
||||||
|
#undef SERVER_SHOULD_BE_OBJECT
|
||||||
|
#undef SHOULD_EXIST
|
||||||
|
#undef SHOULD_STRING
|
||||||
|
} // namespace ssd
|
||||||
|
} // namespace Qv2ray::core::connection::Serialization
|
||||||
Loading…
Reference in New Issue
Block a user