mirror of https://github.com/Icinga/icinga2.git
141 lines
4.6 KiB
C++
141 lines
4.6 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2015 Icinga Development Team (http://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/filterutility.hpp"
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#include "remote/httputility.hpp"
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#include "config/configcompiler.hpp"
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#include "config/expression.hpp"
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#include "base/json.hpp"
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#include "base/dynamictype.hpp"
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#include "base/logger.hpp"
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#include <boost/foreach.hpp>
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#include <boost/algorithm/string.hpp>
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using namespace icinga;
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Type::Ptr FilterUtility::TypeFromPluralName(const String& pluralName)
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{
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String uname = pluralName;
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boost::algorithm::to_lower(uname);
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BOOST_FOREACH(const DynamicType::Ptr& dtype, DynamicType::GetTypes()) {
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Type::Ptr type = Type::GetByName(dtype->GetName());
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ASSERT(type);
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String pname = type->GetPluralName();
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boost::algorithm::to_lower(pname);
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if (uname == pname)
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return type;
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}
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return Type::Ptr();
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}
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DynamicObject::Ptr FilterUtility::GetObjectByTypeAndName(const String& type, const String& name)
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{
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DynamicType::Ptr dtype = DynamicType::GetByName(type);
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ASSERT(dtype);
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return dtype->GetObject(name);
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}
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std::vector<DynamicObject::Ptr> FilterUtility::GetFilterTargets(const QueryDescription& qd, const Dictionary::Ptr& query)
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{
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std::vector<DynamicObject::Ptr> result;
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BOOST_FOREACH(const Type::Ptr& type, qd.Types) {
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String attr = type->GetName();
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boost::algorithm::to_lower(attr);
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if (query->Contains(attr)) {
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String name = HttpUtility::GetLastParameter(query, attr);
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DynamicObject::Ptr obj = GetObjectByTypeAndName(type->GetName(), name);
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if (!obj)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Object does not exist."));
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result.push_back(obj);
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}
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attr = type->GetPluralName();
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boost::algorithm::to_lower(attr);
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if (query->Contains(attr)) {
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Array::Ptr names = query->Get(attr);
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if (names) {
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ObjectLock olock(names);
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BOOST_FOREACH(const String& name, names) {
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DynamicObject::Ptr obj = GetObjectByTypeAndName(type->GetName(), name);
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if (!obj)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Object does not exist."));
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result.push_back(obj);
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}
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}
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}
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}
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if (query->Contains("filter") || result.empty()) {
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if (!query->Contains("type"))
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BOOST_THROW_EXCEPTION(std::invalid_argument("Type must be specified when using a filter."));
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String filter;
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if (!query->Contains("filter"))
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filter = "true";
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else
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filter = HttpUtility::GetLastParameter(query, "filter");
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String type = HttpUtility::GetLastParameter(query, "type");
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Log(LogInformation, "FilterUtility", filter);
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Type::Ptr utype = Type::GetByName(type);
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if (!utype)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid type specified."));
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if (qd.Types.find(utype) == qd.Types.end())
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid type specified for this query."));
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DynamicType::Ptr dtype = DynamicType::GetByName(type);
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ASSERT(dtype);
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Expression *ufilter = ConfigCompiler::CompileText("<API query>", filter, false);
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ScriptFrame frame;
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frame.Sandboxed = true;
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String varName = utype->GetName();
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boost::algorithm::to_lower(varName);
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try {
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BOOST_FOREACH(const DynamicObject::Ptr& object, dtype->GetObjects()) {
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frame.Locals->Set(varName, object);
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if (Convert::ToBool(ufilter->Evaluate(frame)))
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result.push_back(object);
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}
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} catch (const std::exception& ex) {
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delete ufilter;
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throw;
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}
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delete ufilter;
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}
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return result;
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}
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