rstudio/src/cpp/server/ServerOffline.cpp at master · aakashdoiphode/rstudio · GitHub

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* ServerOffline.cpp

* Unless you have received this program directly from RStudio pursuant

* to the terms of a commercial license agreement with RStudio, then

* this program is licensed to you under the terms of version 3 of the

* GNU Affero General Public License. This program is distributed WITHOUT

* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,

* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the

* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.

#include "ServerOffline.hpp"

#include <core/Error.hpp>

#include <core/Log.hpp>

#include <core/http/Request.hpp>

#include <core/http/Response.hpp>

#include <core/gwt/GwtFileHandler.hpp>

#include <core/json/JsonRpc.hpp>

#include <server/ServerOptions.hpp>

#include <server/ServerUriHandlers.hpp>

using namespace rstudio::core;

namespace rstudio {

namespace server {

namespace offline {

namespace {

void handleOfflineRequest(const http::Request& request,

http::Response* pResponse)

{

// send error code for json responses

if (request.acceptsContentType(json::kJsonContentType))

{

json::setJsonRpcError(json::errc::ServerOffline, pResponse);

}

// send error page for html responses

else if (request.acceptsContentType("text/html"))

{

pResponse->setStatusCode(http::status::ServiceUnavailable);

pResponse->setNoCacheHeaders();

FilePath wwwPath(server::options().wwwLocalPath());

pResponse->setFile(wwwPath.complete("offline.htm"), request);

}

// other content types just get a plain 503 with no content

else

{

pResponse->setStatusCode(http::status::ServiceUnavailable);

}

Error httpServerAddHandlers()

{

// alias options

Options& options = server::options();

// use default gwt handling for image urls (required to render

// embedded images in offline page)

uri_handlers::addBlocking("/images",

gwt::fileHandlerFunction(options.wwwLocalPath(),

"/"));

// default handler sends back offline page or json error as appropriate

uri_handlers::setBlockingDefault(handleOfflineRequest);

// success

return Success();

}

} // namespace offline

} // namespace server

} // namespace rstudio

rstudio/src/cpp/server/ServerOffline.cpp at master · aakashdoiphode/rstudio · GitHub

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