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crash fix

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sMooMooz 2017-12-05 23:40:58 +00:00 committed by GitHub
parent 81fbe06915
commit d10e9c564b
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src/web_service/web_backend.cpp
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@ -1,140 +0,0 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#ifdef _WIN32
#include <winsock.h>
#endif
#include <cstdlib>
#include <thread>
#include <cpr/cpr.h>
#include "common/logging/log.h"
#include "web_service/web_backend.h"
namespace WebService {
static constexpr char API_VERSION[]{"1"};
static std::unique_ptr<cpr::Session> g_session;
void Win32WSAStartup() {
#ifdef _WIN32
// On Windows, CPR/libcurl does not properly initialize Winsock. The below code is used to
// initialize Winsock globally, which fixes this problem. Without this, only the first CPR
// session will properly be created, and subsequent ones will fail.
WSADATA wsa_data;
const int wsa_result{WSAStartup(MAKEWORD(2, 2), &wsa_data)};
if (wsa_result) {
LOG_CRITICAL(WebService, "WSAStartup failed: %d", wsa_result);
}
#endif
}
void PostJson(const std::string& url, const std::string& data, bool allow_anonymous,
const std::string& username, const std::string& token) {
if (url.empty()) {
LOG_ERROR(WebService, "URL is invalid");
return;
}
const bool are_credentials_provided{!token.empty() && !username.empty()};
if (!allow_anonymous && !are_credentials_provided) {
LOG_ERROR(WebService, "Credentials must be provided for authenticated requests");
return;
}
Win32WSAStartup();
// Built request header
cpr::Header header;
if (are_credentials_provided) {
// Authenticated request if credentials are provided
header = {{"Content-Type", "application/json"},
{"x-username", username.c_str()},
{"x-token", token.c_str()},
{"api-version", API_VERSION}};
} else {
// Otherwise, anonymous request
header = cpr::Header{{"Content-Type", "application/json"}, {"api-version", API_VERSION}};
}
// Post JSON asynchronously
static std::future<void> future;
future = cpr::PostCallback(
[](cpr::Response r) {
if (r.error) {
LOG_ERROR(WebService, "POST returned cpr error: %u:%s",
static_cast<u32>(r.error.code), r.error.message.c_str());
return;
}
if (r.status_code >= 400) {
LOG_ERROR(WebService, "POST returned error status code: %u", r.status_code);
return;
}
if (r.header["content-type"].find("application/json") == std::string::npos) {
LOG_ERROR(WebService, "POST returned wrong content: %s",
r.header["content-type"].c_str());
return;
}
},
cpr::Url{url}, cpr::Body{data}, header);
}
template <typename T>
std::future<T> GetJson(std::function<T(const std::string&)> func, const std::string& url,
bool allow_anonymous, const std::string& username,
const std::string& token) {
if (url.empty()) {
LOG_ERROR(WebService, "URL is invalid");
return std::async(std::launch::async, [func{std::move(func)}]() { return func(""); });
}
const bool are_credentials_provided{!token.empty() && !username.empty()};
if (!allow_anonymous && !are_credentials_provided) {
LOG_ERROR(WebService, "Credentials must be provided for authenticated requests");
return std::async(std::launch::async, [func{std::move(func)}]() { return func(""); });
}
Win32WSAStartup();
// Built request header
cpr::Header header;
if (are_credentials_provided) {
// Authenticated request if credentials are provided
header = {{"Content-Type", "application/json"},
{"x-username", username.c_str()},
{"x-token", token.c_str()},
{"api-version", API_VERSION}};
} else {
// Otherwise, anonymous request
header = cpr::Header{{"Content-Type", "application/json"}, {"api-version", API_VERSION}};
}
// Get JSON asynchronously
return cpr::GetCallback(
[func{std::move(func)}](cpr::Response r) {
if (r.error) {
LOG_ERROR(WebService, "GET returned cpr error: %u:%s",
static_cast<u32>(r.error.code), r.error.message.c_str());
return func("");
}
if (r.status_code >= 400) {
LOG_ERROR(WebService, "GET returned error code: %u", r.status_code);
return func("");
}
if (r.header["content-type"].find("application/json") == std::string::npos) {
LOG_ERROR(WebService, "GET returned wrong content: %s",
r.header["content-type"].c_str());
return func("");
}
return func(r.text);
},
cpr::Url{url}, header);
}
template std::future<bool> GetJson(std::function<bool(const std::string&)> func,
const std::string& url, bool allow_anonymous,
const std::string& username, const std::string& token);
} // namespace WebService