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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 "HttpHandler.h"
#include <string.h>
#include <iostream>
namespace Orthanc
{
static void SplitGETNameValue(HttpHandler::Arguments& result,
const char* start,
const char* end)
{
std::string name, value;
const char* equal = strchr(start, '=');
if (equal == NULL || equal >= end)
{
name = std::string(start, end - start);
//value = "";
}
else
{
name = std::string(start, equal - start);
value = std::string(equal + 1, end);
}
Toolbox::UrlDecode(name);
Toolbox::UrlDecode(value);
result.insert(std::make_pair(name, value));
}
void HttpHandler::ParseGetArguments(HttpHandler::Arguments& result, const char* query)
{
const char* pos = query;
while (pos != NULL)
{
const char* ampersand = strchr(pos, '&');
if (ampersand)
{
SplitGETNameValue(result, pos, ampersand);
pos = ampersand + 1;
}
else
{
// No more ampersand, this is the last argument
SplitGETNameValue(result, pos, pos + strlen(pos));
pos = NULL;
}
}
}
void HttpHandler::ParseGetQuery(UriComponents& uri,
HttpHandler::Arguments& getArguments,
const char* query)
{
const char *questionMark = ::strchr(query, '?');
if (questionMark == NULL)
{
// No question mark in the string
Toolbox::SplitUriComponents(uri, query);
getArguments.clear();
}
else
{
Toolbox::SplitUriComponents(uri, std::string(query, questionMark));
HttpHandler::ParseGetArguments(getArguments, questionMark + 1);
}
}
std::string HttpHandler::GetArgument(const Arguments& getArguments,
const std::string& name,
const std::string& defaultValue)
{
Arguments::const_iterator it = getArguments.find(name);
if (it == getArguments.end())
{
return defaultValue;
}
else
{
return it->second;
}
}
void HttpHandler::ParseCookies(HttpHandler::Arguments& result,
const HttpHandler::Arguments& httpHeaders)
{
result.clear();
HttpHandler::Arguments::const_iterator it = httpHeaders.find("cookie");
if (it != httpHeaders.end())
{
const std::string& cookies = it->second;
size_t pos = 0;
while (pos != std::string::npos)
{
size_t nextSemicolon = cookies.find(";", pos);
std::string cookie;
if (nextSemicolon == std::string::npos)
{
cookie = cookies.substr(pos);
pos = std::string::npos;
}
else
{
cookie = cookies.substr(pos, nextSemicolon - pos);
pos = nextSemicolon + 1;
}
size_t equal = cookie.find("=");
if (equal != std::string::npos)
{
std::string name = Toolbox::StripSpaces(cookie.substr(0, equal));
std::string value = Toolbox::StripSpaces(cookie.substr(equal + 1));
result[name] = value;
}
}
}
}
}
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