Sunshine/sunshine/confighttp.cpp
2021-05-30 14:58:38 +02:00

447 lines
14 KiB
C++

//
// Created by TheElixZammuto on 2021-05-09.
// TODO: Authentication, better handling of routes common to nvhttp, cleanup
#include "process.h"
#include <filesystem>
#include <boost/property_tree/json_parser.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>
#include <boost/asio/ssl/context.hpp>
#include <Simple-Web-Server/crypto.hpp>
#include <Simple-Web-Server/server_http.hpp>
#include <boost/asio/ssl/context_base.hpp>
#include "config.h"
#include "confighttp.h"
#include "crypto.h"
#include "httpcommon.h"
#include "main.h"
#include "network.h"
#include "nvhttp.h"
#include "platform/common.h"
#include "rtsp.h"
#include "utility.h"
#include "uuid.h"
std::string read_file(std::string path);
namespace confighttp {
using namespace std::literals;
constexpr auto PORT_HTTP = 47990;
namespace fs = std::filesystem;
namespace pt = boost::property_tree;
using https_server_t = SimpleWeb::Server<SimpleWeb::HTTPS>;
using args_t = SimpleWeb::CaseInsensitiveMultimap;
using resp_https_t = std::shared_ptr<typename SimpleWeb::ServerBase<SimpleWeb::HTTPS>::Response>;
using req_https_t = std::shared_ptr<typename SimpleWeb::ServerBase<SimpleWeb::HTTPS>::Request>;
enum class op_e {
ADD,
REMOVE
};
void send_unauthorized(resp_https_t response, req_https_t request) {
auto address = request->remote_endpoint_address();
BOOST_LOG(info) << '[' << address << "] -- denied"sv;
const SimpleWeb::CaseInsensitiveMultimap headers {
{ "WWW-Authenticate", R"(Basic realm="Sunshine Gamestream Host", charset="UTF-8")" }
};
response->write(SimpleWeb::StatusCode::client_error_unauthorized, headers);
}
bool authenticate(resp_https_t response, req_https_t request) {
auto address = request->remote_endpoint_address();
auto ip_type = net::from_address(address);
if(ip_type > http::origin_pin_allowed) {
BOOST_LOG(info) << '[' << address << "] -- denied"sv;
response->write(SimpleWeb::StatusCode::client_error_forbidden);
return false;
}
auto auth = request->header.find("authorization");
if(auth == request->header.end()) {
send_unauthorized(response, request);
return false;
}
std::string rawAuth = auth->second;
std::string authData = rawAuth.substr("Basic "sv.length());
authData = SimpleWeb::Crypto::Base64::decode(authData);
int index = authData.find(':');
std::string username = authData.substr(0, index);
std::string password = authData.substr(index + 1);
std::string hash = util::hex(crypto::hash(password + config::sunshine.salt)).to_string();
if(username == config::sunshine.username && hash == config::sunshine.password) return true;
send_unauthorized(response, request);
return false;
}
void not_found(resp_https_t response, req_https_t request) {
pt::ptree tree;
tree.put("root.<xmlattr>.status_code", 404);
std::ostringstream data;
pt::write_xml(data, tree);
response->write(data.str());
*response << "HTTP/1.1 404 NOT FOUND\r\n"
<< data.str();
}
void getIndexPage(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
std::string header = read_file(WEB_DIR "header.html");
std::string content = read_file(WEB_DIR "index.html");
response->write(header + content);
}
void getPinPage(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
std::string header = read_file(WEB_DIR "header.html");
std::string content = read_file(WEB_DIR "pin.html");
response->write(header + content);
}
void getAppsPage(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
std::string header = read_file(WEB_DIR "header.html");
std::string content = read_file(WEB_DIR "apps.html");
response->write(header + content);
}
void getClientsPage(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
std::string header = read_file(WEB_DIR "header.html");
std::string content = read_file(WEB_DIR "clients.html");
response->write(header + content);
}
void getConfigPage(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
std::string header = read_file(WEB_DIR "header.html");
std::string content = read_file(WEB_DIR "config.html");
response->write(header + content);
}
void getPasswordPage(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
std::string header = read_file(WEB_DIR "header.html");
std::string content = read_file(WEB_DIR "password.html");
response->write(header + content);
}
void getApps(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
std::string content = read_file(SUNSHINE_ASSETS_DIR "/" APPS_JSON);
response->write(content);
}
void saveApp(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
std::stringstream ss;
ss << request->content.rdbuf();
pt::ptree outputTree;
auto g = util::fail_guard([&]() {
std::ostringstream data;
pt::write_json(data, outputTree);
response->write(data.str());
});
pt::ptree inputTree, fileTree;
try {
//TODO: Input Validation
pt::read_json(ss, inputTree);
pt::read_json(SUNSHINE_ASSETS_DIR "/" APPS_JSON, fileTree);
auto &apps_node = fileTree.get_child("apps"s);
int index = inputTree.get<int>("index");
BOOST_LOG(info) << inputTree.get_child("prep-cmd").empty();
if(inputTree.get_child("prep-cmd").empty())
inputTree.erase("prep-cmd");
inputTree.erase("index");
if(index == -1) {
apps_node.push_back(std::make_pair("", inputTree));
}
else {
//Unfortuantely Boost PT does not allow to directly edit the array, copy should do the trick
pt::ptree newApps;
int i = 0;
for(const auto &kv : apps_node) {
if(i == index) {
newApps.push_back(std::make_pair("", inputTree));
}
else {
newApps.push_back(std::make_pair("", kv.second));
}
i++;
}
fileTree.erase("apps");
fileTree.push_back(std::make_pair("apps", newApps));
}
pt::write_json(SUNSHINE_ASSETS_DIR "/" APPS_JSON, fileTree);
outputTree.put("status", "true");
proc::refresh(SUNSHINE_ASSETS_DIR "/" APPS_JSON);
}
catch(std::exception &e) {
BOOST_LOG(warning) << e.what();
outputTree.put("status", "false");
outputTree.put("error", "Invalid Input JSON");
return;
}
}
void deleteApp(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
pt::ptree outputTree;
auto g = util::fail_guard([&]() {
std::ostringstream data;
pt::write_json(data, outputTree);
response->write(data.str());
});
pt::ptree fileTree;
try {
pt::read_json(config::stream.file_apps, fileTree);
auto &apps_node = fileTree.get_child("apps"s);
int index = stoi(request->path_match[1]);
BOOST_LOG(info) << index;
if(index <= 0) {
outputTree.put("status", "false");
outputTree.put("error", "Invalid Index");
return;
}
else {
//Unfortuantely Boost PT does not allow to directly edit the array, copy should do the trick
pt::ptree newApps;
int i = 0;
for(const auto &kv : apps_node) {
if(i != index) {
newApps.push_back(std::make_pair("", kv.second));
}
i++;
}
fileTree.erase("apps");
fileTree.push_back(std::make_pair("apps", newApps));
}
pt::write_json(SUNSHINE_ASSETS_DIR "/" APPS_JSON, fileTree);
outputTree.put("status", "true");
proc::refresh(SUNSHINE_ASSETS_DIR "/" APPS_JSON);
}
catch(std::exception &e) {
BOOST_LOG(warning) << e.what();
outputTree.put("status", "false");
outputTree.put("error", "Invalid File JSON");
return;
}
}
void getConfig(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
pt::ptree outputTree;
auto g = util::fail_guard([&]() {
std::ostringstream data;
pt::write_json(data, outputTree);
response->write(data.str());
});
try {
outputTree.put("status", "true");
outputTree.put("platform", SUNSHINE_PLATFORM);
const char *config_file = SUNSHINE_ASSETS_DIR "/sunshine.conf";
std::ifstream in { config_file };
if(!in.is_open()) {
std::cout << "Error: Couldn't open "sv << config_file << std::endl;
}
auto vars = config::parse_config(std::string {
// Quick and dirty
std::istreambuf_iterator<char>(in),
std::istreambuf_iterator<char>() });
for(auto &[name, value] : vars) {
outputTree.put(std::move(name), std::move(value));
}
}
catch(std::exception &e) {
BOOST_LOG(warning) << e.what();
outputTree.put("status", "false");
outputTree.put("error", "Invalid File JSON");
return;
}
}
void saveConfig(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
std::stringstream ss;
std::stringstream configStream;
ss << request->content.rdbuf();
pt::ptree outputTree;
auto g = util::fail_guard([&]() {
std::ostringstream data;
pt::write_json(data, outputTree);
response->write(data.str());
});
pt::ptree inputTree;
try {
//TODO: Input Validation
pt::read_json(ss, inputTree);
for(const auto &kv : inputTree) {
std::string value = inputTree.get<std::string>(kv.first);
if(value.length() == 0 || value.compare("null") == 0) continue;
configStream << kv.first << " = " << value << std::endl;
}
http::write_file(SUNSHINE_ASSETS_DIR "/sunshine.conf", configStream.str());
}
catch(std::exception &e) {
BOOST_LOG(warning) << e.what();
outputTree.put("status", "false");
outputTree.put("error", e.what());
return;
}
}
void savePassword(resp_https_t response, req_https_t request) {
if(!authenticate(response, request)) return;
std::stringstream ss;
std::stringstream configStream;
ss << request->content.rdbuf();
pt::ptree inputTree,outputTree,fileTree;
auto g = util::fail_guard([&]() {
std::ostringstream data;
pt::write_json(data, outputTree);
response->write(data.str());
});
try {
//TODO: Input Validation
pt::read_json(ss, inputTree);
std::string username = inputTree.get<std::string>("currentUsername");
std::string newUsername = inputTree.get<std::string>("newUsername");
std::string password = inputTree.get<std::string>("currentPassword");
std::string newPassword = inputTree.get<std::string>("newPassword");
std::string confirmPassword = inputTree.get<std::string>("confirmNewPassword");
if(newUsername.length() == 0) newUsername = username;
std::string hash = util::hex(crypto::hash(password + config::sunshine.salt)).to_string();
if(username == config::sunshine.username && hash == config::sunshine.password){
if(newPassword != confirmPassword){
outputTree.put("status",false);
outputTree.put("error","Password Mismatch");
}
fileTree.put("username",newUsername);
fileTree.put("password",util::hex(crypto::hash(newPassword + config::sunshine.salt)).to_string());
fileTree.put("salt",config::sunshine.salt);
pt::write_json(config::sunshine.credentials_file,fileTree);
http::reload_user_creds(config::sunshine.credentials_file);
outputTree.put("status",true);
} else {
outputTree.put("status",false);
outputTree.put("error","Invalid Current Credentials");
}
}
catch(std::exception &e) {
BOOST_LOG(warning) << e.what();
outputTree.put("status", false);
outputTree.put("error", e.what());
return;
}
}
void start(std::shared_ptr<safe::signal_t> shutdown_event) {
auto ctx = std::make_shared<boost::asio::ssl::context>(boost::asio::ssl::context::tls);
ctx->use_certificate_chain_file(config::nvhttp.cert);
ctx->use_private_key_file(config::nvhttp.pkey, boost::asio::ssl::context::pem);
https_server_t server { ctx, 0 };
server.default_resource = not_found;
server.resource["^/$"]["GET"] = getIndexPage;
server.resource["^/pin$"]["GET"] = getPinPage;
server.resource["^/apps$"]["GET"] = getAppsPage;
server.resource["^/clients$"]["GET"] = getClientsPage;
server.resource["^/config$"]["GET"] = getConfigPage;
server.resource["^/password$"]["GET"] = getPasswordPage;
server.resource["^/pin/([0-9]+)$"]["GET"] = nvhttp::pin<SimpleWeb::HTTPS>;
server.resource["^/api/apps$"]["GET"] = getApps;
server.resource["^/api/apps$"]["POST"] = saveApp;
server.resource["^/api/config$"]["GET"] = getConfig;
server.resource["^/api/config$"]["POST"] = saveConfig;
server.resource["^/api/password$"]["POST"] = savePassword;
server.resource["^/api/apps/([0-9]+)$"]["DELETE"] = deleteApp;
server.config.reuse_address = true;
server.config.address = "0.0.0.0"s;
server.config.port = PORT_HTTP;
try {
server.bind();
BOOST_LOG(info) << "Configuration UI available at [https://localhost:"sv << PORT_HTTP << "]";
}
catch(boost::system::system_error &err) {
BOOST_LOG(fatal) << "Couldn't bind http server to ports ["sv << PORT_HTTP << "]: "sv << err.what();
shutdown_event->raise(true);
return;
}
auto accept_and_run = [&](auto *server) {
try {
server->accept_and_run();
}
catch(boost::system::system_error &err) {
// It's possible the exception gets thrown after calling server->stop() from a different thread
if(shutdown_event->peek()) {
return;
}
BOOST_LOG(fatal) << "Couldn't start Configuration HTTP server to ports ["sv << PORT_HTTP << ", "sv << PORT_HTTP << "]: "sv << err.what();
shutdown_event->raise(true);
return;
}
};
std::thread tcp { accept_and_run, &server };
// Wait for any event
shutdown_event->view();
server.stop();
tcp.join();
}
} // namespace confighttp
std::string read_file(std::string path) {
std::ifstream in(path);
std::string input;
std::string base64_cert;
//FIXME: Being unable to read file could result in infinite loop
while(!in.eof()) {
std::getline(in, input);
base64_cert += input + '\n';
}
return base64_cert;
}