mirror of https://github.com/Icinga/icinga2.git
319 lines
8.8 KiB
C++
319 lines
8.8 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 "base/scriptutils.hpp"
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#include "base/function.hpp"
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#include "base/utility.hpp"
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#include "base/convert.hpp"
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#include "base/json.hpp"
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#include "base/logger.hpp"
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#include "base/objectlock.hpp"
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#include "base/configtype.hpp"
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#include "base/application.hpp"
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#include "base/dependencygraph.hpp"
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#include <boost/foreach.hpp>
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#include <boost/regex.hpp>
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#include <algorithm>
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#include <set>
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#ifdef _WIN32
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#include <msi.h>
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#endif /* _WIN32 */
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using namespace icinga;
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REGISTER_SAFE_SCRIPTFUNCTION(regex, &ScriptUtils::Regex);
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REGISTER_SAFE_SCRIPTFUNCTION(match, &Utility::Match);
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REGISTER_SAFE_SCRIPTFUNCTION(len, &ScriptUtils::Len);
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REGISTER_SAFE_SCRIPTFUNCTION(union, &ScriptUtils::Union);
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REGISTER_SAFE_SCRIPTFUNCTION(intersection, &ScriptUtils::Intersection);
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REGISTER_SCRIPTFUNCTION(log, &ScriptUtils::Log);
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REGISTER_SCRIPTFUNCTION(range, &ScriptUtils::Range);
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REGISTER_SCRIPTFUNCTION(exit, &Application::Exit);
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REGISTER_SAFE_SCRIPTFUNCTION(typeof, &ScriptUtils::TypeOf);
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REGISTER_SAFE_SCRIPTFUNCTION(keys, &ScriptUtils::Keys);
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REGISTER_SAFE_SCRIPTFUNCTION(random, &Utility::Random);
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REGISTER_SAFE_SCRIPTFUNCTION(get_object, &ScriptUtils::GetObject);
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REGISTER_SAFE_SCRIPTFUNCTION(get_objects, &ScriptUtils::GetObjects);
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REGISTER_SCRIPTFUNCTION(assert, &ScriptUtils::Assert);
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REGISTER_SAFE_SCRIPTFUNCTION(string, &ScriptUtils::CastString);
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REGISTER_SAFE_SCRIPTFUNCTION(number, &ScriptUtils::CastNumber);
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REGISTER_SAFE_SCRIPTFUNCTION(bool, &ScriptUtils::CastBool);
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REGISTER_SAFE_SCRIPTFUNCTION(get_time, &Utility::GetTime);
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REGISTER_SAFE_SCRIPTFUNCTION(basename, &Utility::BaseName);
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REGISTER_SAFE_SCRIPTFUNCTION(dirname, &Utility::DirName);
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REGISTER_SAFE_SCRIPTFUNCTION(msi_get_component_path, &ScriptUtils::MsiGetComponentPathShim);
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REGISTER_SAFE_SCRIPTFUNCTION(track_parents, &ScriptUtils::TrackParents);
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REGISTER_SAFE_SCRIPTFUNCTION(escape_shell_cmd, &Utility::EscapeShellCmd);
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REGISTER_SAFE_SCRIPTFUNCTION(escape_shell_arg, &Utility::EscapeShellArg);
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#ifdef _WIN32
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REGISTER_SAFE_SCRIPTFUNCTION(escape_create_process_arg, &Utility::EscapeCreateProcessArg);
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#endif /* _WIN32 */
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String ScriptUtils::CastString(const Value& value)
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{
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return value;
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}
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double ScriptUtils::CastNumber(const Value& value)
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{
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return value;
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}
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bool ScriptUtils::CastBool(const Value& value)
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{
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return value.ToBool();
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}
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bool ScriptUtils::Regex(const String& pattern, const String& text)
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{
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bool res = false;
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try {
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boost::regex expr(pattern.GetData());
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boost::smatch what;
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res = boost::regex_search(text.GetData(), what, expr);
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} catch (boost::exception&) {
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res = false; /* exception means something went terribly wrong */
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}
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return res;
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}
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double ScriptUtils::Len(const Value& value)
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{
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if (value.IsObjectType<Dictionary>()) {
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Dictionary::Ptr dict = value;
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return dict->GetLength();
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} else if (value.IsObjectType<Array>()) {
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Array::Ptr array = value;
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return array->GetLength();
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} else if (value.IsString()) {
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return Convert::ToString(value).GetLength();
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} else {
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return 0;
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}
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}
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Array::Ptr ScriptUtils::Union(const std::vector<Value>& arguments)
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{
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std::set<Value> values;
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BOOST_FOREACH(const Value& varr, arguments) {
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Array::Ptr arr = varr;
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if (arr) {
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ObjectLock olock(arr);
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BOOST_FOREACH(const Value& value, arr) {
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values.insert(value);
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}
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}
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}
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Array::Ptr result = new Array();
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BOOST_FOREACH(const Value& value, values) {
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result->Add(value);
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}
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return result;
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}
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Array::Ptr ScriptUtils::Intersection(const std::vector<Value>& arguments)
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{
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if (arguments.size() == 0)
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return new Array();
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Array::Ptr result = new Array();
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Array::Ptr arg1 = arguments[0];
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if (!arg1)
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return result;
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Array::Ptr arr1 = arg1->ShallowClone();
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for (std::vector<Value>::size_type i = 1; i < arguments.size(); i++) {
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{
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ObjectLock olock(arr1);
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std::sort(arr1->Begin(), arr1->End());
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}
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Array::Ptr arg2 = arguments[i];
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if (!arg2)
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return result;
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Array::Ptr arr2 = arg2->ShallowClone();
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{
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ObjectLock olock(arr2);
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std::sort(arr2->Begin(), arr2->End());
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}
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result->Resize(std::max(arr1->GetLength(), arr2->GetLength()));
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Array::SizeType len;
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{
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ObjectLock olock(arr1), xlock(arr2), ylock(result);
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Array::Iterator it = std::set_intersection(arr1->Begin(), arr1->End(), arr2->Begin(), arr2->End(), result->Begin());
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len = it - result->Begin();
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}
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result->Resize(len);
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arr1 = result;
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}
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return result;
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}
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void ScriptUtils::Log(const std::vector<Value>& arguments)
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{
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if (arguments.size() != 1 && arguments.size() != 3)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid number of arguments for log()"));
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LogSeverity severity;
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String facility;
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Value message;
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if (arguments.size() == 1) {
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severity = LogInformation;
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facility = "config";
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message = arguments[0];
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} else {
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int sval = static_cast<int>(arguments[0]);
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severity = static_cast<LogSeverity>(sval);
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facility = arguments[1];
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message = arguments[2];
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}
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if (message.IsString() || (!message.IsObjectType<Array>() && !message.IsObjectType<Dictionary>()))
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::Log(severity, facility, message);
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else
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::Log(severity, facility, JsonEncode(message));
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}
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Array::Ptr ScriptUtils::Range(const std::vector<Value>& arguments)
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{
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double start, end, increment;
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switch (arguments.size()) {
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case 1:
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start = 0;
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end = arguments[0];
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increment = 1;
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break;
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case 2:
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start = arguments[0];
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end = arguments[1];
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increment = 1;
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break;
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case 3:
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start = arguments[0];
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end = arguments[1];
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increment = arguments[2];
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break;
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default:
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid number of arguments for range()"));
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}
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Array::Ptr result = new Array();
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if ((start < end && increment <= 0) ||
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(start > end && increment >= 0))
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return result;
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for (double i = start; (increment > 0 ? i < end : i > end); i += increment)
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result->Add(i);
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return result;
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}
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Type::Ptr ScriptUtils::TypeOf(const Value& value)
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{
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return value.GetReflectionType();
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}
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Array::Ptr ScriptUtils::Keys(const Dictionary::Ptr& dict)
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{
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Array::Ptr result = new Array();
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if (dict) {
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ObjectLock olock(dict);
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BOOST_FOREACH(const Dictionary::Pair& kv, dict) {
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result->Add(kv.first);
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}
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}
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return result;
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}
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ConfigObject::Ptr ScriptUtils::GetObject(const Value& vtype, const String& name)
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{
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String typeName;
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if (vtype.IsObjectType<Type>())
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typeName = static_cast<Type::Ptr>(vtype)->GetName();
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else
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typeName = vtype;
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ConfigType::Ptr dtype = ConfigType::GetByName(typeName);
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if (!dtype)
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return ConfigObject::Ptr();
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return dtype->GetObject(name);
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}
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Array::Ptr ScriptUtils::GetObjects(const Type::Ptr& type)
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{
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ConfigType::Ptr dtype = ConfigType::GetByName(type->GetName());
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if (!dtype)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid type name"));
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Array::Ptr result = new Array();
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BOOST_FOREACH(const ConfigObject::Ptr& object, dtype->GetObjects())
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result->Add(object);
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return result;
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}
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void ScriptUtils::Assert(const Value& arg)
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{
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if (!arg.ToBool())
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BOOST_THROW_EXCEPTION(std::runtime_error("Assertion failed"));
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}
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String ScriptUtils::MsiGetComponentPathShim(const String& component)
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{
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#ifdef _WIN32
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TCHAR productCode[39];
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if (MsiGetProductCode(component.CStr(), productCode) != ERROR_SUCCESS)
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return "";
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TCHAR path[2048];
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DWORD szPath = sizeof(path);
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path[0] = '\0';
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MsiGetComponentPath(productCode, component.CStr(), path, &szPath);
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return path;
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#else /* _WIN32 */
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return String();
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#endif /* _WIN32 */
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}
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Array::Ptr ScriptUtils::TrackParents(const Object::Ptr& child)
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{
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return Array::FromVector(DependencyGraph::GetParents(child));
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}
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