mirror of https://github.com/Icinga/icinga2.git
123 lines
3.8 KiB
C++
123 lines
3.8 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "remote/httphandler.hpp"
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#include "remote/httputility.hpp"
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#include "base/singleton.hpp"
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#include "base/exception.hpp"
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#include <boost/algorithm/string/join.hpp>
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using namespace icinga;
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Dictionary::Ptr HttpHandler::m_UrlTree;
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void HttpHandler::Register(const Url::Ptr& url, const HttpHandler::Ptr& handler)
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{
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if (!m_UrlTree)
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m_UrlTree = new Dictionary();
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Dictionary::Ptr node = m_UrlTree;
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for (const String& elem : url->GetPath()) {
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Dictionary::Ptr children = node->Get("children");
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if (!children) {
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children = new Dictionary();
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node->Set("children", children);
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}
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Dictionary::Ptr sub_node = children->Get(elem);
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if (!sub_node) {
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sub_node = new Dictionary();
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children->Set(elem, sub_node);
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}
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node = sub_node;
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}
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Array::Ptr handlers = node->Get("handlers");
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if (!handlers) {
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handlers = new Array();
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node->Set("handlers", handlers);
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}
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handlers->Add(handler);
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}
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void HttpHandler::ProcessRequest(const ApiUser::Ptr& user, HttpRequest& request, HttpResponse& response)
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{
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Dictionary::Ptr node = m_UrlTree;
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std::vector<HttpHandler::Ptr> handlers;
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const std::vector<String>& path = request.RequestUrl->GetPath();
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for (std::vector<String>::size_type i = 0; i <= path.size(); i++) {
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Array::Ptr current_handlers = node->Get("handlers");
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if (current_handlers) {
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ObjectLock olock(current_handlers);
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for (const HttpHandler::Ptr& current_handler : current_handlers) {
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handlers.push_back(current_handler);
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}
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}
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Dictionary::Ptr children = node->Get("children");
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if (!children) {
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node.reset();
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break;
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}
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if (i == path.size())
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break;
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node = children->Get(path[i]);
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if (!node)
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break;
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}
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std::reverse(handlers.begin(), handlers.end());
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Dictionary::Ptr params;
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try {
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params = HttpUtility::FetchRequestParameters(request);
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} catch (const std::exception& ex) {
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HttpUtility::SendJsonError(response, params, 400, "Invalid request body: " + DiagnosticInformation(ex, false));
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return;
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}
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bool processed = false;
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for (const HttpHandler::Ptr& handler : handlers) {
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if (handler->HandleRequest(user, request, response, params)) {
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processed = true;
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break;
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}
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}
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if (!processed) {
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String path = boost::algorithm::join(request.RequestUrl->GetPath(), "/");
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HttpUtility::SendJsonError(response, params, 404, "The requested path '" + path +
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"' could not be found or the request method is not valid for this path.");
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return;
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}
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}
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