mirror of https://github.com/Icinga/icinga2.git
129 lines
3.0 KiB
C++
129 lines
3.0 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
|
|
|
|
#include "base/logger.hpp"
|
|
#include "remote/httphandler.hpp"
|
|
#include "remote/httputility.hpp"
|
|
#include "base/singleton.hpp"
|
|
#include "base/exception.hpp"
|
|
#include <boost/algorithm/string/join.hpp>
|
|
#include <boost/beast/http.hpp>
|
|
|
|
using namespace icinga;
|
|
|
|
Dictionary::Ptr HttpHandler::m_UrlTree;
|
|
|
|
void HttpHandler::Register(const Url::Ptr& url, const HttpHandler::Ptr& handler)
|
|
{
|
|
if (!m_UrlTree)
|
|
m_UrlTree = new Dictionary();
|
|
|
|
Dictionary::Ptr node = m_UrlTree;
|
|
|
|
for (const String& elem : url->GetPath()) {
|
|
Dictionary::Ptr children = node->Get("children");
|
|
|
|
if (!children) {
|
|
children = new Dictionary();
|
|
node->Set("children", children);
|
|
}
|
|
|
|
Dictionary::Ptr sub_node = children->Get(elem);
|
|
if (!sub_node) {
|
|
sub_node = new Dictionary();
|
|
children->Set(elem, sub_node);
|
|
}
|
|
|
|
node = sub_node;
|
|
}
|
|
|
|
Array::Ptr handlers = node->Get("handlers");
|
|
|
|
if (!handlers) {
|
|
handlers = new Array();
|
|
node->Set("handlers", handlers);
|
|
}
|
|
|
|
handlers->Add(handler);
|
|
}
|
|
|
|
void HttpHandler::ProcessRequest(
|
|
AsioTlsStream& stream,
|
|
const ApiUser::Ptr& user,
|
|
boost::beast::http::request<boost::beast::http::string_body>& request,
|
|
boost::beast::http::response<boost::beast::http::string_body>& response,
|
|
boost::asio::yield_context& yc,
|
|
HttpServerConnection& server
|
|
)
|
|
{
|
|
Dictionary::Ptr node = m_UrlTree;
|
|
std::vector<HttpHandler::Ptr> handlers;
|
|
|
|
Url::Ptr url = new Url(std::string(request.target()));
|
|
auto& path (url->GetPath());
|
|
|
|
for (std::vector<String>::size_type i = 0; i <= path.size(); i++) {
|
|
Array::Ptr current_handlers = node->Get("handlers");
|
|
|
|
if (current_handlers) {
|
|
ObjectLock olock(current_handlers);
|
|
for (const HttpHandler::Ptr& current_handler : current_handlers) {
|
|
handlers.push_back(current_handler);
|
|
}
|
|
}
|
|
|
|
Dictionary::Ptr children = node->Get("children");
|
|
|
|
if (!children) {
|
|
node.reset();
|
|
break;
|
|
}
|
|
|
|
if (i == path.size())
|
|
break;
|
|
|
|
node = children->Get(path[i]);
|
|
|
|
if (!node)
|
|
break;
|
|
}
|
|
|
|
std::reverse(handlers.begin(), handlers.end());
|
|
|
|
Dictionary::Ptr params;
|
|
|
|
try {
|
|
params = HttpUtility::FetchRequestParameters(url, request.body());
|
|
} catch (const std::exception& ex) {
|
|
HttpUtility::SendJsonError(response, params, 400, "Invalid request body: " + DiagnosticInformation(ex, false));
|
|
return;
|
|
}
|
|
|
|
bool processed = false;
|
|
|
|
/*
|
|
* HandleRequest may throw a permission exception.
|
|
* DO NOT return a specific permission error. This
|
|
* allows attackers to guess from words which objects
|
|
* do exist.
|
|
*/
|
|
try {
|
|
for (const HttpHandler::Ptr& handler : handlers) {
|
|
if (handler->HandleRequest(stream, user, request, url, response, params, yc, server)) {
|
|
processed = true;
|
|
break;
|
|
}
|
|
}
|
|
} catch (const std::exception& ex) {
|
|
Log(LogWarning, "HttpServerConnection")
|
|
<< "Error while processing HTTP request: " << ex.what();
|
|
|
|
processed = false;
|
|
}
|
|
|
|
if (!processed) {
|
|
HttpUtility::SendJsonError(response, params, 404, "The requested path '" + boost::algorithm::join(path, "/") +
|
|
"' could not be found or the request method is not valid for this path.");
|
|
return;
|
|
}
|
|
}
|