icinga2/lib/remote/templatequeryhandler.cpp

143 lines
4.6 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/) *
* *
* 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 2 *
* of the License, or (at your option) any later version. *
* *
* 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, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "remote/templatequeryhandler.hpp"
#include "remote/httputility.hpp"
#include "remote/filterutility.hpp"
#include "config/configitem.hpp"
#include "base/configtype.hpp"
#include "base/scriptglobal.hpp"
#include "base/logger.hpp"
#include <boost/algorithm/string/case_conv.hpp>
#include <set>
using namespace icinga;
REGISTER_URLHANDLER("/v1/templates", TemplateQueryHandler);
class TemplateTargetProvider final : public TargetProvider
{
public:
DECLARE_PTR_TYPEDEFS(TemplateTargetProvider);
static Dictionary::Ptr GetTargetForTemplate(const ConfigItem::Ptr& item)
{
DebugInfo di = item->GetDebugInfo();
return new Dictionary({
{ "name", item->GetName() },
{ "type", item->GetType()->GetName() },
{ "location", new Dictionary({
{ "path", di.Path },
{ "first_line", di.FirstLine },
{ "first_column", di.FirstColumn },
{ "last_line", di.LastLine },
{ "last_column", di.LastColumn }
}) }
});
}
void FindTargets(const String& type,
const std::function<void (const Value&)>& addTarget) const override
{
Type::Ptr ptype = Type::GetByName(type);
for (const ConfigItem::Ptr& item : ConfigItem::GetItems(ptype)) {
if (item->IsAbstract())
addTarget(GetTargetForTemplate(item));
}
}
Value GetTargetByName(const String& type, const String& name) const override
{
Type::Ptr ptype = Type::GetByName(type);
ConfigItem::Ptr item = ConfigItem::GetByTypeAndName(ptype, name);
if (!item || !item->IsAbstract())
BOOST_THROW_EXCEPTION(std::invalid_argument("Template does not exist."));
return GetTargetForTemplate(item);
}
bool IsValidType(const String& type) const override
{
Type::Ptr ptype = Type::GetByName(type);
if (!ptype)
return false;
return ConfigObject::TypeInstance->IsAssignableFrom(ptype);
}
String GetPluralName(const String& type) const override
{
return Type::GetByName(type)->GetPluralName();
}
};
bool TemplateQueryHandler::HandleRequest(const ApiUser::Ptr& user, HttpRequest& request, HttpResponse& response, const Dictionary::Ptr& params)
{
if (request.RequestUrl->GetPath().size() < 3 || request.RequestUrl->GetPath().size() > 4)
return false;
if (request.RequestMethod != "GET")
return false;
Type::Ptr type = FilterUtility::TypeFromPluralName(request.RequestUrl->GetPath()[2]);
if (!type) {
HttpUtility::SendJsonError(response, params, 400, "Invalid type specified.");
return true;
}
QueryDescription qd;
qd.Types.insert(type->GetName());
qd.Permission = "templates/query/" + type->GetName();
qd.Provider = new TemplateTargetProvider();
params->Set("type", type->GetName());
if (request.RequestUrl->GetPath().size() >= 4) {
String attr = type->GetName();
boost::algorithm::to_lower(attr);
params->Set(attr, request.RequestUrl->GetPath()[3]);
}
std::vector<Value> objs;
try {
objs = FilterUtility::GetFilterTargets(qd, params, user, "tmpl");
} catch (const std::exception& ex) {
HttpUtility::SendJsonError(response, params, 404,
"No templates found.",
DiagnosticInformation(ex));
return true;
}
Dictionary::Ptr result = new Dictionary({
{ "results", new Array(std::move(objs)) }
});
response.SetStatus(200, "OK");
HttpUtility::SendJsonBody(response, params, result);
return true;
}