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124 lines
3.0 KiB
C++
124 lines
3.0 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#include "remote/variablequeryhandler.hpp"
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#include "remote/httputility.hpp"
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#include "remote/filterutility.hpp"
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#include "base/configtype.hpp"
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#include "base/generator.hpp"
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#include "base/scriptglobal.hpp"
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#include "base/logger.hpp"
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#include "base/serializer.hpp"
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#include "base/namespace.hpp"
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#include <optional>
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#include <set>
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using namespace icinga;
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REGISTER_URLHANDLER("/v1/variables", VariableQueryHandler);
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class VariableTargetProvider final : public TargetProvider
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{
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public:
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DECLARE_PTR_TYPEDEFS(VariableTargetProvider);
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static Dictionary::Ptr GetTargetForVar(const String& name, const Value& value)
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{
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return new Dictionary({
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{ "name", name },
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{ "type", value.GetReflectionType()->GetName() },
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{ "value", value }
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});
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}
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void FindTargets(const String& type,
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const std::function<void (const Value&)>& addTarget) const override
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{
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{
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Namespace::Ptr globals = ScriptGlobal::GetGlobals();
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ObjectLock olock(globals);
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for (const Namespace::Pair& kv : globals) {
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addTarget(GetTargetForVar(kv.first, kv.second.Val));
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}
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}
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}
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Value GetTargetByName(const String& type, const String& name) const override
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{
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return GetTargetForVar(name, ScriptGlobal::Get(name));
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}
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bool IsValidType(const String& type) const override
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{
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return type == "Variable";
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}
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String GetPluralName(const String& type) const override
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{
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return "variables";
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}
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};
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bool VariableQueryHandler::HandleRequest(
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const WaitGroup::Ptr&,
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const HttpRequest& request,
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HttpResponse& response,
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boost::asio::yield_context& yc
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)
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{
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namespace http = boost::beast::http;
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auto url = request.Url();
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auto user = request.User();
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auto params = request.Params();
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if (url->GetPath().size() > 3)
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return false;
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if (request.method() != http::verb::get)
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return false;
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QueryDescription qd;
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qd.Types.insert("Variable");
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qd.Permission = "variables";
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qd.Provider = new VariableTargetProvider();
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params->Set("type", "Variable");
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if (url->GetPath().size() >= 3)
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params->Set("variable", url->GetPath()[2]);
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std::vector<Value> objs;
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try {
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objs = FilterUtility::GetFilterTargets(qd, params, user, "variable");
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} catch (const std::exception& ex) {
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HttpUtility::SendJsonError(response, params, 404,
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"No variables found.",
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DiagnosticInformation(ex));
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return true;
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}
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auto generatorFunc = [](const Dictionary::Ptr& var) -> std::optional<Value> {
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if (var->Get("name") == "TicketSalt") {
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// Returning a nullopt here will cause the generator to skip this entry.
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// Meaning, when this variable wasn't the last element in the container,
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// the generator will directly call us again with the next element.
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return std::nullopt;
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}
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return new Dictionary{
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{ "name", var->Get("name") },
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{ "type", var->Get("type") },
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{ "value", Serialize(var->Get("value"), 0) }
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};
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};
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Dictionary::Ptr result = new Dictionary{{"results", new ValueGenerator{objs, generatorFunc}}};
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result->Freeze();
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response.result(http::status::ok);
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HttpUtility::SendJsonBody(response, params, result, yc);
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return true;
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}
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