mirror of
https://github.com/Icinga/icinga2.git
synced 2025-11-04 13:45:04 +01:00
118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) *
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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/eventshandler.hpp"
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#include "remote/httputility.hpp"
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#include "remote/filterutility.hpp"
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#include "config/configcompiler.hpp"
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#include "config/expression.hpp"
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#include "base/objectlock.hpp"
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#include "base/json.hpp"
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#include <boost/foreach.hpp>
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#include <boost/algorithm/string/replace.hpp>
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using namespace icinga;
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REGISTER_URLHANDLER("/v1/events", EventsHandler);
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bool EventsHandler::HandleRequest(const ApiUser::Ptr& user, HttpRequest& request, HttpResponse& response, const Dictionary::Ptr& params)
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{
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if (request.RequestUrl->GetPath().size() != 2)
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return false;
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if (request.RequestMethod != "POST")
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return false;
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if (request.ProtocolVersion == HttpVersion10) {
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HttpUtility::SendJsonError(response, 400, "HTTP/1.0 not supported for event streams.");
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return true;
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}
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Array::Ptr types = params->Get("types");
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if (!types) {
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HttpUtility::SendJsonError(response, 400, "'types' query parameter is required.");
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return true;
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}
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{
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ObjectLock olock(types);
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BOOST_FOREACH(const String& type, types) {
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FilterUtility::CheckPermission(user, "events/" + type);
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}
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}
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String queueName = HttpUtility::GetLastParameter(params, "queue");
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if (queueName.IsEmpty()) {
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HttpUtility::SendJsonError(response, 400, "'queue' query parameter is required.");
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return true;
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}
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String filter = HttpUtility::GetLastParameter(params, "filter");
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Expression *ufilter = NULL;
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if (!filter.IsEmpty())
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ufilter = ConfigCompiler::CompileText("<API query>", filter);
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/* create a new queue or update an existing one */
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EventQueue::Ptr queue = EventQueue::GetByName(queueName);
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if (!queue) {
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queue = new EventQueue();
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EventQueue::Register(queueName, queue);
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}
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queue->SetTypes(types->ToSet<String>());
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queue->SetFilter(ufilter);
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queue->AddClient(&request);
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response.SetStatus(200, "OK");
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response.AddHeader("Content-Type", "application/json");
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for (;;) {
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Dictionary::Ptr result = queue->WaitForEvent(&request);
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if (!response.IsPeerConnected()) {
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queue->RemoveClient(&request);
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EventQueue::UnregisterIfUnused(queueName, queue);
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return true;
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}
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if (!result)
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continue;
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String body = JsonEncode(result);
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boost::algorithm::replace_all(body, "\n", "");
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try {
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response.WriteBody(body.CStr(), body.GetLength());
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response.WriteBody("\n", 1);
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} catch (const std::exception&) {
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queue->RemoveClient(&request);
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EventQueue::UnregisterIfUnused(queueName, queue);
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throw;
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}
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}
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}
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