hyperion.ng/libsrc/leddevice/dev_net/ProviderRestApi.cpp
2021-11-01 16:58:16 +01:00

371 lines
8.7 KiB
C++

// Local-Hyperion includes
#include "ProviderRestApi.h"
// Qt includes
#include <QEventLoop>
#include <QNetworkReply>
#include <QByteArray>
#include <QJsonObject>
//std includes
#include <iostream>
#include <chrono>
// Constants
namespace {
bool verbose = false;
const QChar ONE_SLASH = '/';
const int HTTP_STATUS_NO_CONTENT = 204;
const int HTTP_STATUS_BAD_REQUEST = 400;
const int HTTP_STATUS_UNAUTHORIZED = 401;
const int HTTP_STATUS_NOT_FOUND = 404;
constexpr std::chrono::milliseconds DEFAULT_REST_TIMEOUT{ 400 };
} //End of constants
ProviderRestApi::ProviderRestApi(const QString& host, int port, const QString& basePath)
:_log(Logger::getInstance("LEDDEVICE"))
, _networkManager(nullptr)
{
_networkManager = new QNetworkAccessManager();
_apiUrl.setScheme("http");
_apiUrl.setHost(host);
_apiUrl.setPort(port);
_basePath = basePath;
}
ProviderRestApi::ProviderRestApi(const QString& host, int port)
: ProviderRestApi(host, port, "") {}
ProviderRestApi::ProviderRestApi()
: ProviderRestApi("", -1) {}
ProviderRestApi::~ProviderRestApi()
{
delete _networkManager;
}
void ProviderRestApi::setUrl(const QUrl& url)
{
_apiUrl = url;
_basePath = url.path();
}
void ProviderRestApi::setBasePath(const QString& basePath)
{
_basePath.clear();
appendPath(_basePath, basePath);
}
void ProviderRestApi::setPath(const QString& path)
{
_path.clear();
appendPath(_path, path);
}
void ProviderRestApi::appendPath(const QString& path)
{
appendPath(_path, path);
}
void ProviderRestApi::appendPath ( QString& path, const QString &appendPath)
{
if (!appendPath.isEmpty() && appendPath != ONE_SLASH)
{
if (path.isEmpty() || path == ONE_SLASH)
{
path.clear();
if (appendPath[0] != ONE_SLASH)
{
path.push_back(ONE_SLASH);
}
}
else if (path[path.size() - 1] == ONE_SLASH && appendPath[0] == ONE_SLASH)
{
path.chop(1);
}
else if (path[path.size() - 1] != ONE_SLASH && appendPath[0] != ONE_SLASH)
{
path.push_back(ONE_SLASH);
}
else
{
// Only one slash.
}
path.append(appendPath);
}
}
void ProviderRestApi::setFragment(const QString& fragment)
{
_fragment = fragment;
}
void ProviderRestApi::setQuery(const QUrlQuery& query)
{
_query = query;
}
QUrl ProviderRestApi::getUrl() const
{
QUrl url = _apiUrl;
QString fullPath = _basePath;
appendPath(fullPath, _path);
url.setPath(fullPath);
url.setFragment(_fragment);
url.setQuery(_query);
return url;
}
httpResponse ProviderRestApi::get()
{
return get(getUrl());
}
httpResponse ProviderRestApi::get(const QUrl& url)
{
// Perform request
QNetworkRequest request(_networkRequestHeaders);
request.setUrl(url);
QNetworkReply* reply = _networkManager->get(request);
// Connect requestFinished signal to quit slot of the loop.
QEventLoop loop;
QEventLoop::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
ReplyTimeout::set(reply, DEFAULT_REST_TIMEOUT.count());
// Go into the loop until the request is finished.
loop.exec();
httpResponse response;
if (reply->operation() == QNetworkAccessManager::GetOperation)
{
if(reply->error() != QNetworkReply::NoError)
{
Debug(_log, "GET: [%s]", QSTRING_CSTR( url.toString() ));
}
response = getResponse(reply );
}
// Free space.
reply->deleteLater();
// Return response
return response;
}
httpResponse ProviderRestApi::put(const QJsonObject &body)
{
return put( getUrl(), QJsonDocument(body).toJson(QJsonDocument::Compact));
}
httpResponse ProviderRestApi::put(const QString &body)
{
return put( getUrl(), body.toUtf8() );
}
httpResponse ProviderRestApi::put(const QUrl &url, const QByteArray &body)
{
// Perform request
QNetworkRequest request(_networkRequestHeaders);
request.setUrl(url);
QNetworkReply* reply = _networkManager->put(request, body);
// Connect requestFinished signal to quit slot of the loop.
QEventLoop loop;
QEventLoop::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
ReplyTimeout::set(reply, DEFAULT_REST_TIMEOUT.count());
// Go into the loop until the request is finished.
loop.exec();
httpResponse response;
if (reply->operation() == QNetworkAccessManager::PutOperation)
{
if(reply->error() != QNetworkReply::NoError)
{
Debug(_log, "PUT: [%s] [%s]", QSTRING_CSTR( url.toString() ),body.constData() );
}
response = getResponse(reply);
}
// Free space.
reply->deleteLater();
// Return response
return response;
}
httpResponse ProviderRestApi::post(const QJsonObject& body)
{
return post( getUrl(), QJsonDocument(body).toJson(QJsonDocument::Compact));
}
httpResponse ProviderRestApi::post(const QString& body)
{
return post( getUrl(), body.toUtf8() );
}
httpResponse ProviderRestApi::post(const QUrl& url, const QByteArray& body)
{
// Perform request
QNetworkRequest request(_networkRequestHeaders);
request.setUrl(url);
QNetworkReply* reply = _networkManager->post(request, body);
// Connect requestFinished signal to quit slot of the loop.
QEventLoop loop;
QEventLoop::connect(reply,&QNetworkReply::finished,&loop,&QEventLoop::quit);
// Go into the loop until the request is finished.
loop.exec();
httpResponse response;
if (reply->operation() == QNetworkAccessManager::PostOperation)
{
if(reply->error() != QNetworkReply::NoError)
{
Debug(_log, "POST: [%s] [%s]", QSTRING_CSTR( url.toString() ),body.constData() );
}
response = getResponse(reply);
}
// Free space.
reply->deleteLater();
// Return response
return response;
}
httpResponse ProviderRestApi::deleteResource(const QUrl& url)
{
// Perform request
QNetworkRequest request(_networkRequestHeaders);
request.setUrl(url);
QNetworkReply* reply = _networkManager->deleteResource(request);
// Connect requestFinished signal to quit slot of the loop.
QEventLoop loop;
QEventLoop::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
// Go into the loop until the request is finished.
loop.exec();
httpResponse response;
if (reply->operation() == QNetworkAccessManager::DeleteOperation)
{
if(reply->error() != QNetworkReply::NoError)
{
Debug(_log, "DELETE: [%s]", QSTRING_CSTR(url.toString()));
}
response = getResponse(reply);
}
// Free space.
reply->deleteLater();
// Return response
return response;
}
httpResponse ProviderRestApi::getResponse(QNetworkReply* const& reply)
{
httpResponse response;
int httpStatusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
response.setHttpStatusCode(httpStatusCode);
response.setNetworkReplyError(reply->error());
if (reply->error() == QNetworkReply::NoError)
{
if ( httpStatusCode != HTTP_STATUS_NO_CONTENT ){
QByteArray replyData = reply->readAll();
if (!replyData.isEmpty())
{
QJsonParseError error;
QJsonDocument jsonDoc = QJsonDocument::fromJson(replyData, &error);
if (error.error != QJsonParseError::NoError)
{
//Received not valid JSON response
//std::cout << "Response: [" << replyData.toStdString() << "]" << std::endl;
response.setError(true);
response.setErrorReason(error.errorString());
}
else
{
//std::cout << "Response: [" << QString(jsonDoc.toJson(QJsonDocument::Compact)).toStdString() << "]" << std::endl;
response.setBody(jsonDoc);
}
}
else
{ // Create valid body which is empty
response.setBody(QJsonDocument());
}
}
}
else
{
Debug(_log, "Reply.httpStatusCode [%d]", httpStatusCode );
QString errorReason;
if (httpStatusCode > 0) {
QString httpReason = reply->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toString();
QString advise;
switch ( httpStatusCode ) {
case HTTP_STATUS_BAD_REQUEST:
advise = "Check Request Body";
break;
case HTTP_STATUS_UNAUTHORIZED:
advise = "Check Authentication Token (API Key)";
break;
case HTTP_STATUS_NOT_FOUND:
advise = "Check Resource given";
break;
default:
break;
}
errorReason = QString("[%3 %4] - %5").arg(QString(httpStatusCode), httpReason, advise);
}
else {
errorReason = reply->errorString();
if ( reply->error() == QNetworkReply::OperationCanceledError )
{
//Do not report errors caused by request cancellation because of timeouts
Debug(_log, "Reply: [%s]", QSTRING_CSTR(errorReason) );
}
else
{
response.setError(true);
response.setErrorReason(errorReason);
}
}
// Create valid body which is empty
response.setBody(QJsonDocument());
}
return response;
}
void ProviderRestApi::setHeader(QNetworkRequest::KnownHeaders header, const QVariant& value)
{
QVariant headerValue = _networkRequestHeaders.header(header);
if (headerValue.isNull())
{
_networkRequestHeaders.setHeader(header, value);
}
else
{
if (!headerValue.toString().contains(value.toString()))
{
_networkRequestHeaders.setHeader(header, headerValue.toString() + "," + value.toString());
}
}
}