Move HTTP Proxy and remove and relocate duplicate code

This commit is contained in:
Tixx 2024-09-07 22:35:27 +02:00
parent de3888618a
commit 452fc1e484
7 changed files with 152 additions and 156 deletions

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@ -14,7 +14,7 @@ public:
static std::string Post(const std::string& IP, const std::string& Fields);
static std::string Get(const std::string& IP);
static bool ProgressBar(size_t c, size_t t);
static void StartProxy();
public:
static bool isDownload;
};

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@ -14,8 +14,8 @@ void InitLauncher(int argc, char* argv[]);
std::string GetEP(char* P = nullptr);
std::string GetGamePath();
std::string GetVer();
std::string GetPatch();
std::string GetEN();
void StartProxy();
void ConfigInit();
extern bool Dev;

20
include/Utils.h Normal file
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@ -0,0 +1,20 @@
#pragma once
#include <string>
#include <vector>
namespace Utils {
inline std::vector<std::string> Split(const std::string& String, const std::string& delimiter) {
std::vector<std::string> Val;
size_t pos;
std::string token, s = String;
while ((pos = s.find(delimiter)) != std::string::npos) {
token = s.substr(0, pos);
if (!token.empty())
Val.push_back(token);
s.erase(0, pos + delimiter.length());
}
if (!s.empty())
Val.push_back(s);
return Val;
};
};

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@ -15,6 +15,9 @@
#include <iostream>
#include <mutex>
#include <nlohmann/json.hpp>
#include <Startup.h>
#include <Network/network.hpp>
#include <Utils.h>
void WriteHttpDebug(const httplib::Client& client, const std::string& method, const std::string& target, const httplib::Result& result) try {
const std::filesystem::path folder = ".https_debug";
@ -171,3 +174,127 @@ bool HTTP::Download(const std::string& IP, const std::string& Path) {
return true;
}
void set_headers(httplib::Response& res) {
res.set_header("Access-Control-Allow-Origin", "*");
res.set_header("Access-Control-Request-Method", "POST, OPTIONS, GET");
res.set_header("Access-Control-Request-Headers", "X-API-Version");
}
void HTTP::StartProxy() {
std::thread proxy([&]() {
httplib::Server HTTPProxy;
httplib::Headers headers = {
{ "User-Agent", "BeamMP-Launcher/" + GetVer() + GetPatch() },
{ "Accept", "*/*" }
};
httplib::Client backend("https://backend.beammp.com");
httplib::Client forum("https://forum.beammp.com");
const std::string pattern = ".*";
auto handle_request = [&](const httplib::Request& req, httplib::Response& res) {
set_headers(res);
if (req.has_header("X-BMP-Authentication")) {
headers.emplace("X-BMP-Authentication", PrivateKey);
}
if (req.has_header("X-API-Version")) {
headers.emplace("X-API-Version", req.get_header_value("X-API-Version"));
}
const std::vector<std::string> path = Utils::Split(req.path, "/");
httplib::Result cli_res;
const std::string method = req.method;
std::string host = "";
if (!path.empty())
host = path[0];
if (host == "backend") {
std::string remaining_path = req.path.substr(std::strlen("/backend"));
if (method == "GET")
cli_res = backend.Get(remaining_path, headers);
else if (method == "POST")
cli_res = backend.Post(remaining_path, headers);
} else if (host == "avatar") {
bool error = false;
std::string username;
std::string avatar_size = "100";
if (path.size() > 1) {
username = path[1];
} else {
error = true;
}
if (path.size() > 2) {
try {
if (std::stoi(path[2]) > 0)
avatar_size = path[2];
} catch (std::exception&) {}
}
httplib::Result summary_res;
if (!error) {
summary_res = forum.Get("/u/" + username + ".json", headers);
if (!summary_res || summary_res->status != 200) {
error = true;
}
}
if (!error) {
try {
nlohmann::json d = nlohmann::json::parse(summary_res->body, nullptr, false); // can fail with parse_error
auto user = d.at("user"); // can fail with out_of_range
auto avatar_link_json = user.at("avatar_template"); // can fail with out_of_range
auto avatar_link = avatar_link_json.get<std::string>();
size_t start_pos = avatar_link.find("{size}");
if (start_pos != std::string::npos)
avatar_link.replace(start_pos, std::strlen("{size}"), avatar_size);
cli_res = forum.Get(avatar_link, headers);
} catch (std::exception&) {
error = true;
}
}
if (error) {
cli_res = forum.Get("/user_avatar/forum.beammp.com/user/0/0.png", headers);
}
} else {
res.set_content("Host not found", "text/plain");
return;
}
if (cli_res) {
res.set_content(cli_res->body, cli_res->get_header_value("Content-Type"));
} else {
res.set_content(to_string(cli_res.error()), "text/plain");
}
};
HTTPProxy.Get(pattern, [&](const httplib::Request& req, httplib::Response& res) {
handle_request(req, res);
});
HTTPProxy.Post(pattern, [&](const httplib::Request& req, httplib::Response& res) {
handle_request(req, res);
});
ProxyPort = HTTPProxy.bind_to_any_port("0.0.0.0");
debug("HTTP Proxy listening on port " + std::to_string(ProxyPort));
HTTPProxy.listen_after_bind();
});
proxy.detach();
}

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@ -28,26 +28,11 @@
#include <fstream>
#include <future>
#include <iostream>
#include <string>
#include <thread>
#include <vector>
#include <Utils.h>
namespace fs = std::filesystem;
std::string ListOfMods;
std::vector<std::string> Split(const std::string& String, const std::string& delimiter) {
std::vector<std::string> Val;
size_t pos;
std::string token, s = String;
while ((pos = s.find(delimiter)) != std::string::npos) {
token = s.substr(0, pos);
if (!token.empty())
Val.push_back(token);
s.erase(0, pos + delimiter.length());
}
if (!s.empty())
Val.push_back(s);
return Val;
}
void CheckForDir() {
if (!fs::exists("Resources")) {
@ -247,7 +232,7 @@ void SyncResources(SOCKET Sock) {
info("Checking Resources...");
CheckForDir();
std::vector<std::string> list = Split(Ret, ";");
std::vector<std::string> list = Utils::Split(Ret, ";");
std::vector<std::string> FNames(list.begin(), list.begin() + (list.size() / 2));
std::vector<std::string> FSizes(list.begin() + (list.size() / 2), list.end());
list.clear();

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@ -357,139 +357,3 @@ void PreGame(const std::string& GamePath) {
}
}
}
void set_headers(httplib::Response& res) {
res.set_header("Access-Control-Allow-Origin", "*");
res.set_header("Access-Control-Request-Method", "POST, OPTIONS, GET");
res.set_header("Access-Control-Request-Headers", "X-API-Version");
}
std::vector<std::string> split_string(const std::string& s, const char delim) {
std::stringstream ss(s);
std::string item;
std::vector<std::string> elems;
while (std::getline(ss, item, delim)) {
if (!item.empty()) {
elems.push_back(item);
}
}
return elems;
}
void StartProxy() {
std::thread proxy([&]() {
httplib::Server HTTPProxy;
httplib::Headers headers = {
{ "User-Agent", "BeamMP-Launcher/" + GetVer() + GetPatch() },
{ "Accept", "*/*" }
};
httplib::Client backend("https://backend.beammp.com");
httplib::Client forum("https://forum.beammp.com");
const std::string pattern = ".*";
auto handle_request = [&](const httplib::Request& req, httplib::Response& res) {
set_headers(res);
if (req.has_header("X-BMP-Authentication")) {
headers.emplace("X-BMP-Authentication", PrivateKey);
}
if (req.has_header("X-API-Version")) {
headers.emplace("X-API-Version", req.get_header_value("X-API-Version"));
}
const std::vector<std::string> path = split_string(req.path, '/');
httplib::Result cli_res;
const std::string method = req.method;
std::string host = "";
if (!path.empty())
host = path[0];
if (host == "backend") {
std::string remaining_path = req.path.substr(std::strlen("/backend"));
if (method == "GET")
cli_res = backend.Get(remaining_path, headers);
else if (method == "POST")
cli_res = backend.Post(remaining_path, headers);
} else if (host == "avatar") {
bool error = false;
std::string username;
std::string avatar_size = "100";
if (path.size() > 1) {
username = path[1];
} else {
error = true;
}
if (path.size() > 2) {
try {
if (std::stoi(path[2]) > 0)
avatar_size = path[2];
} catch (std::exception&) {}
}
httplib::Result summary_res;
if (!error) {
summary_res = forum.Get("/u/" + username + ".json", headers);
if (!summary_res || summary_res->status != 200) {
error = true;
}
}
if (!error) {
try {
nlohmann::json d = nlohmann::json::parse(summary_res->body, nullptr, false); // can fail with parse_error
auto user = d.at("user"); // can fail with out_of_range
auto avatar_link_json = user.at("avatar_template"); // can fail with out_of_range
auto avatar_link = avatar_link_json.get<std::string>();
size_t start_pos = avatar_link.find("{size}");
if (start_pos != std::string::npos)
avatar_link.replace(start_pos, std::strlen("{size}"), avatar_size);
cli_res = forum.Get(avatar_link, headers);
} catch (std::exception&) {
error = true;
}
}
if (error) {
cli_res = forum.Get("/user_avatar/forum.beammp.com/user/0/0.png", headers);
}
} else {
res.set_content("Host not found", "text/plain");
return;
}
if (cli_res) {
res.set_content(cli_res->body, cli_res->get_header_value("Content-Type"));
} else {
res.set_content(to_string(cli_res.error()), "text/plain");
}
};
HTTPProxy.Get(pattern, [&](const httplib::Request& req, httplib::Response& res) {
handle_request(req, res);
});
HTTPProxy.Post(pattern, [&](const httplib::Request& req, httplib::Response& res) {
handle_request(req, res);
});
ProxyPort = HTTPProxy.bind_to_any_port("0.0.0.0");
debug("HTTP Proxy listening on port " + std::to_string(ProxyPort));
HTTPProxy.listen_after_bind();
});
proxy.detach();
}

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@ -36,7 +36,7 @@ int main(int argc, char* argv[]) {
fatal("Main 1 : " + std::string(e.what()));
}
StartProxy();
HTTP::StartProxy();
PreGame(GetGameDir());
InitGame(GetGameDir());
CoreNetwork();