icinga2/lib/remote/objectqueryhandler.cpp

161 lines
5.0 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
* *
* 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/objectqueryhandler.hpp"
#include "remote/httputility.hpp"
#include "remote/filterutility.hpp"
#include "base/serializer.hpp"
#include "base/dependencygraph.hpp"
#include "base/configtype.hpp"
#include <boost/algorithm/string.hpp>
#include <set>
using namespace icinga;
REGISTER_URLHANDLER("/v1/objects", ObjectQueryHandler);
bool ObjectQueryHandler::HandleRequest(const ApiUser::Ptr& user, HttpRequest& request, HttpResponse& response)
{
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, 400, "Invalid type specified.");
return true;
}
QueryDescription qd;
qd.Types.insert(type->GetName());
qd.Permission = "objects/query/" + type->GetName();
std::vector<String> joinAttrs;
joinAttrs.push_back("");
for (int fid = 0; fid < type->GetFieldCount(); fid++) {
Field field = type->GetFieldInfo(fid);
if (field.Attributes & FANavigation)
joinAttrs.push_back(field.Name);
}
Dictionary::Ptr params = HttpUtility::FetchRequestParameters(request);
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 = FilterUtility::GetFilterTargets(qd, params, user);
Array::Ptr results = new Array();
std::set<String> attrs;
Array::Ptr uattrs = params->Get("attrs");
if (uattrs) {
ObjectLock olock(uattrs);
BOOST_FOREACH(const String& uattr, uattrs) {
attrs.insert(uattr);
}
}
BOOST_FOREACH(const ConfigObject::Ptr& obj, objs) {
Dictionary::Ptr result1 = new Dictionary();
results->Add(result1);
Dictionary::Ptr resultAttrs = new Dictionary();
result1->Set("attrs", resultAttrs);
BOOST_FOREACH(const String& joinAttr, joinAttrs) {
Object::Ptr joinedObj;
String prefix;
if (joinAttr.IsEmpty()) {
joinedObj = obj;
prefix = type->GetName();
} else {
int fid = type->GetFieldId(joinAttr);
joinedObj = obj->NavigateField(fid);
if (!joinedObj)
continue;
Field field = type->GetFieldInfo(fid);
prefix = field.NavigationName;
}
boost::algorithm::to_lower(prefix);
Type::Ptr joinedType = joinedObj->GetReflectionType();
for (int fid = 0; fid < joinedType->GetFieldCount(); fid++) {
Field field = joinedType->GetFieldInfo(fid);
String aname = prefix + "." + field.Name;
if (!attrs.empty() && attrs.find(aname) == attrs.end())
continue;
Value val = joinedObj->GetField(fid);
/* hide internal navigation fields */
if (field.Attributes & FANavigation) {
Value nval = joinedObj->NavigateField(fid);
if (val == nval)
continue;
}
Value sval = Serialize(val, FAConfig | FAState);
resultAttrs->Set(aname, sval);
}
}
Array::Ptr used_by = new Array();
result1->Set("used_by", used_by);
BOOST_FOREACH(const Object::Ptr& pobj, DependencyGraph::GetParents((obj))) {
ConfigObject::Ptr configObj = dynamic_pointer_cast<ConfigObject>(pobj);
if (!configObj)
continue;
Dictionary::Ptr refInfo = new Dictionary();
refInfo->Set("type", configObj->GetType()->GetName());
refInfo->Set("name", configObj->GetName());
used_by->Add(refInfo);
}
}
Dictionary::Ptr result = new Dictionary();
result->Set("results", results);
response.SetStatus(200, "OK");
HttpUtility::SendJsonBody(response, result);
return true;
}