icinga2/lib/remote/httputility.cpp

81 lines
2.0 KiB
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "remote/httputility.hpp"
#include "remote/url.hpp"
#include "base/json.hpp"
#include "base/logger.hpp"
#include <map>
#include <string>
#include <vector>
#include <boost/beast/http.hpp>
using namespace icinga;
Dictionary::Ptr HttpUtility::FetchRequestParameters(const Url::Ptr& url, const std::string& body)
{
Dictionary::Ptr result;
if (!body.empty()) {
Log(LogDebug, "HttpUtility")
<< "Request body: '" << body << '\'';
result = JsonDecode(body);
}
if (!result)
result = new Dictionary();
std::map<String, std::vector<String>> query;
for (const auto& kv : url->GetQuery()) {
query[kv.first].emplace_back(kv.second);
}
for (auto& kv : query) {
result->Set(kv.first, Array::FromVector(kv.second));
}
return result;
}
Value HttpUtility::GetLastParameter(const Dictionary::Ptr& params, const String& key)
{
Value varr = params->Get(key);
if (!varr.IsObjectType<Array>())
return varr;
Array::Ptr arr = varr;
if (arr->GetLength() == 0)
return Empty;
else
return arr->Get(arr->GetLength() - 1);
}
void HttpUtility::SendJsonBody(boost::beast::http::response<boost::beast::http::string_body>& response, const Dictionary::Ptr& params, const Value& val)
{
namespace http = boost::beast::http;
response.set(http::field::content_type, "application/json");
response.body() = JsonEncode(val, params && GetLastParameter(params, "pretty"));
response.set(http::field::content_length, response.body().size());
}
void HttpUtility::SendJsonError(boost::beast::http::response<boost::beast::http::string_body>& response,
const Dictionary::Ptr& params, int code, const String& info, const String& diagnosticInformation)
{
Dictionary::Ptr result = new Dictionary({ { "error", code } });
if (!info.IsEmpty()) {
result->Set("status", info);
}
if (params && HttpUtility::GetLastParameter(params, "verbose") && !diagnosticInformation.IsEmpty()) {
result->Set("diagnostic_information", diagnosticInformation);
}
response.result(code);
HttpUtility::SendJsonBody(response, params, result);
}