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/**
* Orthanc - A Lightweight, RESTful DICOM Store
* Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
* Belgium
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* In addition, as a special exception, the copyright holders of this
* program give permission to link the code of its release with the
* OpenSSL project's "OpenSSL" library (or with modified versions of it
* that use the same license as the "OpenSSL" library), and distribute
* the linked executables. You must obey the GNU General Public License
* in all respects for all of the code used other than "OpenSSL". If you
* modify file(s) with this exception, you may extend this exception to
* your version of the file(s), but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source files
* in the program, then also delete it here.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
#include "../PrecompiledHeaders.h"
#include "RestApiOutput.h"
#include <boost/lexical_cast.hpp>
#include <glog/logging.h>
#include "../OrthancException.h"
namespace Orthanc
{
RestApiOutput::RestApiOutput(HttpOutput& output) :
output_(output),
convertJsonToXml_(false)
{
alreadySent_ = false;
}
RestApiOutput::~RestApiOutput()
{
}
void RestApiOutput::Finalize()
{
if (!alreadySent_)
{
output_.SendStatus(HttpStatus_404_NotFound);
}
}
void RestApiOutput::CheckStatus()
{
if (alreadySent_)
{
throw OrthancException(ErrorCode_BadSequenceOfCalls);
}
}
void RestApiOutput::AnswerFile(HttpFileSender& sender)
{
CheckStatus();
sender.Send(output_);
alreadySent_ = true;
}
void RestApiOutput::AnswerJson(const Json::Value& value)
{
CheckStatus();
if (convertJsonToXml_)
{
#if ORTHANC_PUGIXML_ENABLED == 1
std::string s;
Toolbox::JsonToXml(s, value);
output_.SetContentType("application/xml");
output_.SendBody(s);
#else
LOG(ERROR) << "Orthanc was compiled without XML support";
throw OrthancException(ErrorCode_InternalError);
#endif
}
else
{
Json::StyledWriter writer;
output_.SetContentType("application/json");
output_.SendBody(writer.write(value));
}
alreadySent_ = true;
}
void RestApiOutput::AnswerBuffer(const std::string& buffer,
const std::string& contentType)
{
CheckStatus();
output_.SetContentType(contentType.c_str());
output_.SendBody(buffer);
alreadySent_ = true;
}
void RestApiOutput::AnswerBuffer(const void* buffer,
size_t length,
const std::string& contentType)
{
CheckStatus();
output_.SetContentType(contentType.c_str());
output_.SendBody(buffer, length);
alreadySent_ = true;
}
void RestApiOutput::Redirect(const std::string& path)
{
CheckStatus();
output_.Redirect(path);
alreadySent_ = true;
}
void RestApiOutput::SignalError(HttpStatus status)
{
if (status != HttpStatus_403_Forbidden &&
status != HttpStatus_500_InternalServerError &&
status != HttpStatus_415_UnsupportedMediaType)
{
throw OrthancException("This HTTP status is not allowed in a REST API");
}
CheckStatus();
output_.SendStatus(status);
alreadySent_ = true;
}
void RestApiOutput::SetCookie(const std::string& name,
const std::string& value,
unsigned int maxAge)
{
if (name.find(";") != std::string::npos ||
name.find(" ") != std::string::npos ||
value.find(";") != std::string::npos ||
value.find(" ") != std::string::npos)
{
throw OrthancException(ErrorCode_NotImplemented);
}
CheckStatus();
std::string v = value + ";path=/";
if (maxAge != 0)
{
v += ";max-age=" + boost::lexical_cast<std::string>(maxAge);
}
output_.SetCookie(name, v);
}
void RestApiOutput::ResetCookie(const std::string& name)
{
// This marks the cookie to be deleted by the browser in 1 second,
// and before it actually gets deleted, its value is set to the
// empty string
SetCookie(name, "", 1);
}
}
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