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web-service: Port citra's updated web_backend code.

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This commit is contained in:
bunnei
2019-11-09 03:09:39 -05:00
parent 883eb1a1a1
commit 8dc9f35baf
2 changed files with 57 additions and 18 deletions
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52
src/web_service/web_backend.cpp
View File

@@ -2,10 +2,12 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <cstdlib>
#include <mutex>
#include <string>
#include <LUrlParser.h>
#include <fmt/format.h>
#include <httplib.h>
#include "common/common_types.h"
#include "common/logging/log.h"
@@ -16,10 +18,10 @@ namespace WebService {
constexpr std::array<const char, 1> API_VERSION{'1'};
constexpr u32 HTTP_PORT = 80;
constexpr u32 HTTPS_PORT = 443;
constexpr int HTTP_PORT = 80;
constexpr int HTTPS_PORT = 443;
constexpr u32 TIMEOUT_SECONDS = 30;
constexpr std::size_t TIMEOUT_SECONDS = 30;
struct Client::Impl {
Impl(std::string host, std::string username, std::string token)
@@ -31,8 +33,9 @@ struct Client::Impl {
}
/// A generic function handles POST, GET and DELETE request together
Common::WebResult GenericJson(const std::string& method, const std::string& path,
const std::string& data, bool allow_anonymous) {
Common::WebResult GenericRequest(const std::string& method, const std::string& path,
const std::string& data, bool allow_anonymous,
const std::string& accept) {
if (jwt.empty()) {
UpdateJWT();
}
@@ -43,11 +46,11 @@ struct Client::Impl {
"Credentials needed"};
}
auto result = GenericJson(method, path, data, jwt);
auto result = GenericRequest(method, path, data, accept, jwt);
if (result.result_string == "401") {
// Try again with new JWT
UpdateJWT();
result = GenericJson(method, path, data, jwt);
result = GenericRequest(method, path, data, accept, jwt);
}
return result;
@@ -56,12 +59,13 @@ struct Client::Impl {
/**
* A generic function with explicit authentication method specified
* JWT is used if the jwt parameter is not empty
* username + token is used if jwt is empty but username and token are not empty
* anonymous if all of jwt, username and token are empty
* username + token is used if jwt is empty but username and token are
* not empty anonymous if all of jwt, username and token are empty
*/
Common::WebResult GenericJson(const std::string& method, const std::string& path,
const std::string& data, const std::string& jwt = "",
const std::string& username = "", const std::string& token = "") {
Common::WebResult GenericRequest(const std::string& method, const std::string& path,
const std::string& data, const std::string& accept,
const std::string& jwt = "", const std::string& username = "",
const std::string& token = "") {
if (cli == nullptr) {
auto parsedUrl = LUrlParser::clParseURL::ParseURL(host);
int port;
@@ -132,8 +136,7 @@ struct Client::Impl {
return Common::WebResult{Common::WebResult::Code::WrongContent, ""};
}
if (content_type->second.find("application/json") == std::string::npos &&
content_type->second.find("text/html; charset=utf-8") == std::string::npos) {
if (content_type->second.find(accept) == std::string::npos) {
LOG_ERROR(WebService, "{} to {} returned wrong content: {}", method, host + path,
content_type->second);
return Common::WebResult{Common::WebResult::Code::WrongContent, "Wrong content"};
@@ -147,7 +150,7 @@ struct Client::Impl {
return;
}
auto result = GenericJson("POST", "/jwt/internal", "", "", username, token);
auto result = GenericRequest("POST", "/jwt/internal", "", "text/html", "", username, token);
if (result.result_code != Common::WebResult::Code::Success) {
LOG_ERROR(WebService, "UpdateJWT failed");
} else {
@@ -180,16 +183,29 @@ Client::~Client() = default;
Common::WebResult Client::PostJson(const std::string& path, const std::string& data,
bool allow_anonymous) {
return impl->GenericJson("POST", path, data, allow_anonymous);
return impl->GenericRequest("POST", path, data, allow_anonymous, "application/json");
}
Common::WebResult Client::GetJson(const std::string& path, bool allow_anonymous) {
return impl->GenericJson("GET", path, "", allow_anonymous);
return impl->GenericRequest("GET", path, "", allow_anonymous, "application/json");
}
Common::WebResult Client::DeleteJson(const std::string& path, const std::string& data,
bool allow_anonymous) {
return impl->GenericJson("DELETE", path, data, allow_anonymous);
return impl->GenericRequest("DELETE", path, data, allow_anonymous, "application/json");
}
Common::WebResult Client::GetPlain(const std::string& path, bool allow_anonymous) {
return impl->GenericRequest("GET", path, "", allow_anonymous, "text/plain");
}
Common::WebResult Client::GetImage(const std::string& path, bool allow_anonymous) {
return impl->GenericRequest("GET", path, "", allow_anonymous, "image/png");
}
Common::WebResult Client::GetExternalJWT(const std::string& audience) {
return impl->GenericRequest("POST", fmt::format("/jwt/external/{}", audience), "", false,
"text/html");
}
} // namespace WebService

23
src/web_service/web_backend.h
View File

@@ -46,6 +46,29 @@ public:
Common::WebResult DeleteJson(const std::string& path, const std::string& data,
bool allow_anonymous);
/**
* Gets a plain string from the specified path.
* @param path the URL segment after the host address.
* @param allow_anonymous If true, allow anonymous unauthenticated requests.
* @return the result of the request.
*/
Common::WebResult GetPlain(const std::string& path, bool allow_anonymous);
/**
* Gets an PNG image from the specified path.
* @param path the URL segment after the host address.
* @param allow_anonymous If true, allow anonymous unauthenticated requests.
* @return the result of the request.
*/
Common::WebResult GetImage(const std::string& path, bool allow_anonymous);
/**
* Requests an external JWT for the specific audience provided.
* @param audience the audience of the JWT requested.
* @return the result of the request.
*/
Common::WebResult GetExternalJWT(const std::string& audience);
private:
struct Impl;
std::unique_ptr<Impl> impl;