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style: Use error code instead of exception when parsing json (#1942)

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This commit is contained in:
Sergey Kuznetsov
2025-03-04 18:34:45 +00:00
committed by GitHub
parent f7db030ad7
commit 915a8beb40
1 changed files with 24 additions and 23 deletions
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47
src/web/ng/RPCServerHandler.hpp
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@@ -54,7 +54,6 @@
#include <memory>
#include <optional>
#include <ratio>
#include <stdexcept>
#include <string>
#include <utility>
@@ -129,30 +128,32 @@ public:
&connectionMetadata,
subscriptionContext = std::move(subscriptionContext)](boost::asio::yield_context innerYield) mutable {
try {
auto parsedRequest = boost::json::parse(request.message()).as_object();
LOG(perfLog_.debug()) << connectionMetadata.tag() << "Adding to work queue";
boost::system::error_code ec;
auto parsedRequest = boost::json::parse(request.message(), ec);
if (ec.failed() or not parsedRequest.is_object()) {
rpcEngine_->notifyBadSyntax();
response = impl::ErrorHelper{request}.makeJsonParsingError();
if (ec.failed()) {
LOG(log_.warn())
<< "Error parsing JSON: " << ec.message() << ". For request: " << request.message();
} else {
LOG(log_.warn()) << "Received not a JSON object. For request: " << request.message();
}
} else {
auto parsedObject = std::move(parsedRequest).as_object();
LOG(perfLog_.debug()) << connectionMetadata.tag() << "Adding to work queue";
if (not connectionMetadata.wasUpgraded() and shouldReplaceParams(parsedRequest))
parsedRequest[JS(params)] = boost::json::array({boost::json::object{}});
if (not connectionMetadata.wasUpgraded() and shouldReplaceParams(parsedObject))
parsedObject[JS(params)] = boost::json::array({boost::json::object{}});
response = handleRequest(
innerYield,
request,
std::move(parsedRequest),
connectionMetadata,
std::move(subscriptionContext)
);
} catch (boost::system::system_error const& ex) {
// system_error thrown when json parsing failed
rpcEngine_->notifyBadSyntax();
response = impl::ErrorHelper{request}.makeJsonParsingError();
LOG(log_.warn()) << "Error parsing JSON: " << ex.what() << ". For request: " << request.message();
} catch (std::invalid_argument const& ex) {
// thrown when json parses something that is not an object at top level
rpcEngine_->notifyBadSyntax();
LOG(log_.warn()) << "Invalid argument error: " << ex.what()
<< ". For request: " << request.message();
response = impl::ErrorHelper{request}.makeJsonParsingError();
response = handleRequest(
innerYield,
request,
std::move(parsedObject),
connectionMetadata,
std::move(subscriptionContext)
);
}
} catch (std::exception const& ex) {
LOG(perfLog_.error()) << connectionMetadata.tag() << "Caught exception: " << ex.what();
rpcEngine_->notifyInternalError();