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The wait group gets passed to HttpServerConnection, then down to the HttpHandlers. For those handlers that modify the program state, the wait group is locked so ApiListener will wait on Stop() for the request to complete. If the request iterates over config objects, a further check on the state of the wait group is added to abort early and not delay program shutdown. In that case, 503 responses will be sent to the client. Additionally, in HttpServerConnection, no further requests than the one already started will be allowed once the wait group is joining.
101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#include "remote/infohandler.hpp"
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#include "remote/httputility.hpp"
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#include "base/application.hpp"
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using namespace icinga;
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REGISTER_URLHANDLER("/", InfoHandler);
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bool InfoHandler::HandleRequest(
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const WaitGroup::Ptr&,
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AsioTlsStream& stream,
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const ApiUser::Ptr& user,
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boost::beast::http::request<boost::beast::http::string_body>& request,
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const Url::Ptr& url,
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boost::beast::http::response<boost::beast::http::string_body>& response,
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const Dictionary::Ptr& params,
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boost::asio::yield_context& yc,
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HttpServerConnection& server
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)
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{
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namespace http = boost::beast::http;
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if (url->GetPath().size() > 2)
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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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if (url->GetPath().empty()) {
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response.result(http::status::found);
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response.set(http::field::location, "/v1");
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return true;
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}
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if (url->GetPath()[0] != "v1" || url->GetPath().size() != 1)
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return false;
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response.result(http::status::ok);
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std::vector<String> permInfo;
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Array::Ptr permissions = user->GetPermissions();
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if (permissions) {
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ObjectLock olock(permissions);
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for (const Value& permission : permissions) {
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String name;
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bool hasFilter = false;
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if (permission.IsObjectType<Dictionary>()) {
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Dictionary::Ptr dpermission = permission;
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name = dpermission->Get("permission");
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hasFilter = dpermission->Contains("filter");
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} else
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name = permission;
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if (hasFilter)
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name += " (filtered)";
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permInfo.emplace_back(std::move(name));
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}
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}
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if (request[http::field::accept] == "application/json") {
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Dictionary::Ptr result1 = new Dictionary({
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{ "user", user->GetName() },
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{ "permissions", Array::FromVector(permInfo) },
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{ "version", Application::GetAppVersion() },
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{ "info", "More information about API requests is available in the documentation at https://icinga.com/docs/icinga2/latest/" }
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});
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Dictionary::Ptr result = new Dictionary({
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{ "results", new Array({ result1 }) }
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});
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HttpUtility::SendJsonBody(response, params, result);
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} else {
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response.set(http::field::content_type, "text/html");
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String body = "<html><head><title>Icinga 2</title></head><h1>Hello from Icinga 2 (Version: " + Application::GetAppVersion() + ")!</h1>";
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body += "<p>You are authenticated as <b>" + user->GetName() + "</b>. ";
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if (!permInfo.empty()) {
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body += "Your user has the following permissions:</p> <ul>";
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for (const String& perm : permInfo) {
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body += "<li>" + perm + "</li>";
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}
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body += "</ul>";
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} else
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body += "Your user does not have any permissions.</p>";
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body += R"(<p>More information about API requests is available in the <a href="https://icinga.com/docs/icinga2/latest/" target="_blank">documentation</a>.</p></html>)";
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response.body() = body;
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response.content_length(response.body().size());
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}
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return true;
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}
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