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4ba46f9eb2
Every of these parameters exists for a reason. The best we can do is to convince the compiler.
119 lines
3.1 KiB
C++
119 lines
3.1 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/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 <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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void FindTargets([[maybe_unused]] const String& type,
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const std::function<void (const Value&)>& addTarget) const override
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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 (auto& [key, value] : globals) {
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/* We want wo avoid leaking the TicketSalt over the API, so we remove it here,
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* as early as possible, so it isn't possible to abuse the fact that all of the
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* global variables we return here later get checked against a user-provided
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* filter expression that can cause its content to be printed in an error message
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* or potentially access them otherwise.
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*/
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if (key == "TicketSalt") {
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continue;
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}
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addTarget(FilterUtility::GetTargetForVar(key, value.Val));
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}
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}
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Value GetTargetByName([[maybe_unused]] const String& type, const String& name) const override
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{
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if (name == "TicketSalt") {
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BOOST_THROW_EXCEPTION(std::invalid_argument{"Access to TicketSalt via /v1/variables is not permitted."});
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}
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return FilterUtility::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([[maybe_unused]] 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 HttpApiRequest& request,
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HttpApiResponse& response,
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boost::asio::yield_context&
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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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ArrayData results;
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for (Dictionary::Ptr var : objs) {
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results.emplace_back(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({
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{ "results", new Array(std::move(results)) }
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});
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response.result(http::status::ok);
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HttpUtility::SendJsonBody(response, params, result);
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return true;
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}
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