mirror of
https://github.com/yuzu-mirror/yuzu
synced 2024-11-25 01:50:18 +00:00
web_backend: Make Client use the PImpl idiom
Like with TelemetryJson, we can make the implementation details private and avoid the need to expose httplib to external libraries that need to use the Client class.
This commit is contained in:
Lioncash
parent
a7725d354c
commit
183a664405
5 changed files with 164 additions and 152 deletions
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@ -5,6 +5,7 @@
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#pragma once
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#include <string>
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#include "common/common_types.h"
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namespace Common {
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struct WebResult {
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@ -4,6 +4,7 @@
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#include <json.hpp>
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#include "common/detached_tasks.h"
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#include "common/web_result.h"
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#include "web_service/telemetry_json.h"
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#include "web_service/web_backend.h"
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@ -3,6 +3,7 @@
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// Refer to the license.txt file included.
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#include <json.hpp>
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#include "common/web_result.h"
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#include "web_service/verify_login.h"
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#include "web_service/web_backend.h"
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@ -3,9 +3,11 @@
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// Refer to the license.txt file included.
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#include <cstdlib>
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#include <mutex>
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#include <string>
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#include <thread>
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#include <LUrlParser.h>
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#include <httplib.h>
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "common/web_result.h"
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#include "core/settings.h"
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@ -20,99 +22,132 @@ constexpr u32 HTTPS_PORT = 443;
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constexpr u32 TIMEOUT_SECONDS = 30;
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Client::JWTCache Client::jwt_cache{};
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Client::Client(const std::string& host, const std::string& username, const std::string& token)
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: host(host), username(username), token(token) {
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std::lock_guard<std::mutex> lock(jwt_cache.mutex);
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if (username == jwt_cache.username && token == jwt_cache.token) {
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jwt = jwt_cache.jwt;
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}
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}
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Common::WebResult Client::GenericJson(const std::string& method, const std::string& path,
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const std::string& data, const std::string& jwt,
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const std::string& username, const std::string& token) {
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if (cli == nullptr) {
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auto parsedUrl = LUrlParser::clParseURL::ParseURL(host);
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int port;
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if (parsedUrl.m_Scheme == "http") {
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if (!parsedUrl.GetPort(&port)) {
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port = HTTP_PORT;
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}
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cli =
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std::make_unique<httplib::Client>(parsedUrl.m_Host.c_str(), port, TIMEOUT_SECONDS);
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} else if (parsedUrl.m_Scheme == "https") {
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if (!parsedUrl.GetPort(&port)) {
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port = HTTPS_PORT;
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}
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cli = std::make_unique<httplib::SSLClient>(parsedUrl.m_Host.c_str(), port,
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TIMEOUT_SECONDS);
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} else {
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LOG_ERROR(WebService, "Bad URL scheme {}", parsedUrl.m_Scheme);
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return Common::WebResult{Common::WebResult::Code::InvalidURL, "Bad URL scheme"};
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struct Client::Impl {
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Impl(std::string host, std::string username, std::string token)
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: host{std::move(host)}, username{std::move(username)}, token{std::move(token)} {
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std::lock_guard<std::mutex> lock(jwt_cache.mutex);
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if (this->username == jwt_cache.username && this->token == jwt_cache.token) {
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jwt = jwt_cache.jwt;
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}
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}
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if (cli == nullptr) {
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LOG_ERROR(WebService, "Invalid URL {}", host + path);
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return Common::WebResult{Common::WebResult::Code::InvalidURL, "Invalid URL"};
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/// A generic function handles POST, GET and DELETE request together
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Common::WebResult GenericJson(const std::string& method, const std::string& path,
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const std::string& data, bool allow_anonymous) {
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if (jwt.empty()) {
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UpdateJWT();
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}
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if (jwt.empty() && !allow_anonymous) {
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LOG_ERROR(WebService, "Credentials must be provided for authenticated requests");
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return Common::WebResult{Common::WebResult::Code::CredentialsMissing,
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"Credentials needed"};
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}
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auto result = GenericJson(method, path, data, jwt);
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if (result.result_string == "401") {
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// Try again with new JWT
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UpdateJWT();
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result = GenericJson(method, path, data, jwt);
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}
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return result;
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}
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httplib::Headers params;
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if (!jwt.empty()) {
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params = {
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{std::string("Authorization"), fmt::format("Bearer {}", jwt)},
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};
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} else if (!username.empty()) {
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params = {
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{std::string("x-username"), username},
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{std::string("x-token"), token},
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/**
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* A generic function with explicit authentication method specified
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* JWT is used if the jwt parameter is not empty
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* username + token is used if jwt is empty but username and token are not empty
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* anonymous if all of jwt, username and token are empty
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*/
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Common::WebResult GenericJson(const std::string& method, const std::string& path,
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const std::string& data, const std::string& jwt = "",
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const std::string& username = "", const std::string& token = "") {
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if (cli == nullptr) {
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auto parsedUrl = LUrlParser::clParseURL::ParseURL(host);
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int port;
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if (parsedUrl.m_Scheme == "http") {
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if (!parsedUrl.GetPort(&port)) {
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port = HTTP_PORT;
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}
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cli = std::make_unique<httplib::Client>(parsedUrl.m_Host.c_str(), port,
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TIMEOUT_SECONDS);
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} else if (parsedUrl.m_Scheme == "https") {
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if (!parsedUrl.GetPort(&port)) {
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port = HTTPS_PORT;
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}
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cli = std::make_unique<httplib::SSLClient>(parsedUrl.m_Host.c_str(), port,
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TIMEOUT_SECONDS);
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} else {
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LOG_ERROR(WebService, "Bad URL scheme {}", parsedUrl.m_Scheme);
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return Common::WebResult{Common::WebResult::Code::InvalidURL, "Bad URL scheme"};
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}
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}
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if (cli == nullptr) {
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LOG_ERROR(WebService, "Invalid URL {}", host + path);
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return Common::WebResult{Common::WebResult::Code::InvalidURL, "Invalid URL"};
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}
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httplib::Headers params;
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if (!jwt.empty()) {
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params = {
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{std::string("Authorization"), fmt::format("Bearer {}", jwt)},
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};
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} else if (!username.empty()) {
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params = {
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{std::string("x-username"), username},
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{std::string("x-token"), token},
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};
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}
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params.emplace(std::string("api-version"),
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std::string(API_VERSION.begin(), API_VERSION.end()));
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if (method != "GET") {
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params.emplace(std::string("Content-Type"), std::string("application/json"));
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};
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httplib::Request request;
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request.method = method;
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request.path = path;
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request.headers = params;
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request.body = data;
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httplib::Response response;
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if (!cli->send(request, response)) {
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LOG_ERROR(WebService, "{} to {} returned null", method, host + path);
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return Common::WebResult{Common::WebResult::Code::LibError, "Null response"};
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}
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if (response.status >= 400) {
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LOG_ERROR(WebService, "{} to {} returned error status code: {}", method, host + path,
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response.status);
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return Common::WebResult{Common::WebResult::Code::HttpError,
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std::to_string(response.status)};
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}
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auto content_type = response.headers.find("content-type");
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if (content_type == response.headers.end()) {
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LOG_ERROR(WebService, "{} to {} returned no content", method, host + path);
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return Common::WebResult{Common::WebResult::Code::WrongContent, ""};
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}
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if (content_type->second.find("application/json") == std::string::npos &&
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content_type->second.find("text/html; charset=utf-8") == std::string::npos) {
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LOG_ERROR(WebService, "{} to {} returned wrong content: {}", method, host + path,
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content_type->second);
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return Common::WebResult{Common::WebResult::Code::WrongContent, "Wrong content"};
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}
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return Common::WebResult{Common::WebResult::Code::Success, "", response.body};
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}
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params.emplace(std::string("api-version"), std::string(API_VERSION.begin(), API_VERSION.end()));
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if (method != "GET") {
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params.emplace(std::string("Content-Type"), std::string("application/json"));
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};
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// Retrieve a new JWT from given username and token
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void UpdateJWT() {
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if (username.empty() || token.empty()) {
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return;
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}
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httplib::Request request;
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request.method = method;
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request.path = path;
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request.headers = params;
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request.body = data;
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httplib::Response response;
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if (!cli->send(request, response)) {
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LOG_ERROR(WebService, "{} to {} returned null", method, host + path);
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return Common::WebResult{Common::WebResult::Code::LibError, "Null response"};
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}
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if (response.status >= 400) {
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LOG_ERROR(WebService, "{} to {} returned error status code: {}", method, host + path,
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response.status);
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return Common::WebResult{Common::WebResult::Code::HttpError,
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std::to_string(response.status)};
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}
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auto content_type = response.headers.find("content-type");
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if (content_type == response.headers.end()) {
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LOG_ERROR(WebService, "{} to {} returned no content", method, host + path);
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return Common::WebResult{Common::WebResult::Code::WrongContent, ""};
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}
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if (content_type->second.find("application/json") == std::string::npos &&
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content_type->second.find("text/html; charset=utf-8") == std::string::npos) {
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LOG_ERROR(WebService, "{} to {} returned wrong content: {}", method, host + path,
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content_type->second);
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return Common::WebResult{Common::WebResult::Code::WrongContent, "Wrong content"};
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}
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return Common::WebResult{Common::WebResult::Code::Success, "", response.body};
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}
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void Client::UpdateJWT() {
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if (!username.empty() && !token.empty()) {
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auto result = GenericJson("POST", "/jwt/internal", "", "", username, token);
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if (result.result_code != Common::WebResult::Code::Success) {
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LOG_ERROR(WebService, "UpdateJWT failed");
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@ -123,27 +158,39 @@ void Client::UpdateJWT() {
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jwt_cache.jwt = jwt = result.returned_data;
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}
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}
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std::string host;
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std::string username;
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std::string token;
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std::string jwt;
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std::unique_ptr<httplib::Client> cli;
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struct JWTCache {
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std::mutex mutex;
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std::string username;
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std::string token;
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std::string jwt;
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};
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static inline JWTCache jwt_cache;
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};
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Client::Client(std::string host, std::string username, std::string token)
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: impl{std::make_unique<Impl>(std::move(host), std::move(username), std::move(token))} {}
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Client::~Client() = default;
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Common::WebResult Client::PostJson(const std::string& path, const std::string& data,
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bool allow_anonymous) {
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return impl->GenericJson("POST", path, data, allow_anonymous);
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}
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Common::WebResult Client::GenericJson(const std::string& method, const std::string& path,
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const std::string& data, bool allow_anonymous) {
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if (jwt.empty()) {
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UpdateJWT();
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}
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Common::WebResult Client::GetJson(const std::string& path, bool allow_anonymous) {
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return impl->GenericJson("GET", path, "", allow_anonymous);
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}
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if (jwt.empty() && !allow_anonymous) {
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LOG_ERROR(WebService, "Credentials must be provided for authenticated requests");
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return Common::WebResult{Common::WebResult::Code::CredentialsMissing, "Credentials needed"};
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}
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auto result = GenericJson(method, path, data, jwt);
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if (result.result_string == "401") {
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// Try again with new JWT
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UpdateJWT();
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result = GenericJson(method, path, data, jwt);
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}
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return result;
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Common::WebResult Client::DeleteJson(const std::string& path, const std::string& data,
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bool allow_anonymous) {
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return impl->GenericJson("DELETE", path, data, allow_anonymous);
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}
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} // namespace WebService
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@ -4,23 +4,19 @@
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#pragma once
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#include <functional>
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#include <mutex>
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#include <memory>
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#include <string>
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#include <tuple>
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#include <httplib.h>
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#include "common/common_types.h"
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#include "common/web_result.h"
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namespace httplib {
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class Client;
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namespace Common {
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struct WebResult;
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}
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namespace WebService {
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class Client {
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public:
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Client(const std::string& host, const std::string& username, const std::string& token);
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Client(std::string host, std::string username, std::string token);
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~Client();
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/**
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* Posts JSON to the specified path.
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@ -30,9 +26,7 @@ public:
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* @return the result of the request.
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*/
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Common::WebResult PostJson(const std::string& path, const std::string& data,
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bool allow_anonymous) {
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return GenericJson("POST", path, data, allow_anonymous);
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}
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bool allow_anonymous);
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/**
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* Gets JSON from the specified path.
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@ -40,9 +34,7 @@ public:
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* @param allow_anonymous If true, allow anonymous unauthenticated requests.
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* @return the result of the request.
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*/
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Common::WebResult GetJson(const std::string& path, bool allow_anonymous) {
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return GenericJson("GET", path, "", allow_anonymous);
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}
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Common::WebResult GetJson(const std::string& path, bool allow_anonymous);
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/**
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* Deletes JSON to the specified path.
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@ -52,41 +44,11 @@ public:
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* @return the result of the request.
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*/
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Common::WebResult DeleteJson(const std::string& path, const std::string& data,
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bool allow_anonymous) {
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return GenericJson("DELETE", path, data, allow_anonymous);
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}
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bool allow_anonymous);
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private:
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/// A generic function handles POST, GET and DELETE request together
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Common::WebResult GenericJson(const std::string& method, const std::string& path,
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const std::string& data, bool allow_anonymous);
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/**
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* A generic function with explicit authentication method specified
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* JWT is used if the jwt parameter is not empty
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* username + token is used if jwt is empty but username and token are not empty
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* anonymous if all of jwt, username and token are empty
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*/
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Common::WebResult GenericJson(const std::string& method, const std::string& path,
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const std::string& data, const std::string& jwt = "",
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const std::string& username = "", const std::string& token = "");
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// Retrieve a new JWT from given username and token
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void UpdateJWT();
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std::string host;
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std::string username;
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std::string token;
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std::string jwt;
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std::unique_ptr<httplib::Client> cli;
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struct JWTCache {
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std::mutex mutex;
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std::string username;
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std::string token;
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std::string jwt;
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};
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static JWTCache jwt_cache;
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struct Impl;
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std::unique_ptr<Impl> impl;
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};
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} // namespace WebService
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