Handler::status_e RestBatchHandler::execute() {
// extract the request type
const HttpRequest::HttpRequestType type = _request->requestType();
if (type != HttpRequest::HTTP_REQUEST_POST && type != HttpRequest::HTTP_REQUEST_PUT) {
generateError(HttpResponse::METHOD_NOT_ALLOWED, TRI_ERROR_HTTP_METHOD_NOT_ALLOWED);
return Handler::HANDLER_DONE;
}
string boundary;
if (! getBoundary(&boundary)) {
// invalid content-type or boundary sent
generateError(HttpResponse::BAD, TRI_ERROR_HTTP_BAD_PARAMETER, "invalid content-type or boundary received");
return Handler::HANDLER_FAILED;
}
size_t errors = 0;
// get authorization header. we will inject this into the subparts
string authorization = _request->header("authorization");
// create the response
_response = createResponse(HttpResponse::OK);
_response->setContentType(_request->header("content-type"));
// setup some auxiliary structures to parse the multipart message
MultipartMessage message(boundary.c_str(), boundary.size(), _request->body(), _request->body() + _request->bodySize());
SearchHelper helper;
helper.message = &message;
helper.searchStart = (char*) message.messageStart;
// iterate over all parts of the multipart message
while (true) {
// get the next part from the multipart message
if (! extractPart(&helper)) {
// error
generateError(HttpResponse::BAD, TRI_ERROR_HTTP_BAD_PARAMETER, "invalid multipart message received");
LOGGER_WARNING << "received a corrupted multipart message";
return Handler::HANDLER_FAILED;
}
// split part into header & body
const char* partStart = helper.foundStart;
const char* partEnd = partStart + helper.foundLength;
const size_t partLength = helper.foundLength;
const char* headerStart = partStart;
char* bodyStart = NULL;
size_t headerLength = 0;
size_t bodyLength = 0;
// assume Windows linebreak \r\n\r\n as delimiter
char* p = strstr((char*) headerStart, "\r\n\r\n");
if (p != NULL) {
headerLength = p - partStart;
bodyStart = p + 4;
bodyLength = partEnd - bodyStart;
}
else {
// test Unix linebreak
p = strstr((char*) headerStart, "\n\n");
if (p != NULL) {
headerLength = p - partStart;
bodyStart = p + 2;
bodyLength = partEnd - bodyStart;
}
else {
// no delimiter found, assume we have only a header
headerLength = partLength;
}
}
// set up request object for the part
LOGGER_TRACE << "part header is " << string(headerStart, headerLength);
HttpRequest* request = new HttpRequest(headerStart, headerLength);
if (bodyLength > 0) {
LOGGER_TRACE << "part body is " << string(bodyStart, bodyLength);
request->setBody(bodyStart, bodyLength);
}
if (authorization.size()) {
// inject Authorization header of multipart message into part message
request->setHeader("authorization", 13, authorization.c_str());
}
HttpHandler* handler = _server->createHandler(request);
if (! handler) {
delete request;
generateError(HttpResponse::BAD, TRI_ERROR_INTERNAL, "could not create handler for batch part processing");
return Handler::HANDLER_FAILED;
}
Handler::status_e status = Handler::HANDLER_FAILED;
do {
try {
status = handler->execute();
}
catch (triagens::basics::TriagensError const& ex) {
handler->handleError(ex);
}
catch (std::exception const& ex) {
triagens::basics::InternalError err(ex, __FILE__, __LINE__);
handler->handleError(err);
}
catch (...) {
triagens::basics::InternalError err("executeDirectHandler", __FILE__, __LINE__);
handler->handleError(err);
}
}
while (status == Handler::HANDLER_REQUEUE);
if (status == Handler::HANDLER_FAILED) {
// one of the handlers failed, we must exit now
delete handler;
generateError(HttpResponse::BAD, TRI_ERROR_INTERNAL, "executing a handler for batch part failed");
return Handler::HANDLER_FAILED;
}
HttpResponse* partResponse = handler->getResponse();
if (partResponse == 0) {
delete handler;
generateError(HttpResponse::BAD, TRI_ERROR_INTERNAL, "could not create a response for batch part request");
return Handler::HANDLER_FAILED;
}
const HttpResponse::HttpResponseCode code = partResponse->responseCode();
if (code >= 400) {
// error
++errors;
}
// append the boundary for this subpart
_response->body().appendText(boundary + "\r\nContent-Type: ");
_response->body().appendText(_partContentType);
if (helper.contentId != 0) {
// append content-id
_response->body().appendText("\r\nContent-Id: " + string(helper.contentId, helper.contentIdLength));
}
_response->body().appendText("\r\n\r\n", 4);
// remove some headers we don't need
partResponse->setHeader("connection", 10, "");
partResponse->setHeader("server", 6, "");
// append the part response header
partResponse->writeHeader(&_response->body());
// append the part response body
_response->body().appendText(partResponse->body());
_response->body().appendText("\r\n", 2);
delete handler;
if (! helper.containsMore) {
// we've read the last part
break;
}
} // next part
// append final boundary + "--"
_response->body().appendText(boundary + "--");
if (errors > 0) {
_response->setHeader(HttpResponse::getBatchErrorHeader(), StringUtils::itoa(errors));
}
// success
return Handler::HANDLER_DONE;
}
HttpHandler::status_t RestBatchHandler::execute () {
// extract the request type
const HttpRequest::HttpRequestType type = _request->requestType();
if (type != HttpRequest::HTTP_REQUEST_POST && type != HttpRequest::HTTP_REQUEST_PUT) {
generateError(HttpResponse::METHOD_NOT_ALLOWED, TRI_ERROR_HTTP_METHOD_NOT_ALLOWED);
return status_t(HttpHandler::HANDLER_DONE);
}
string boundary;
// invalid content-type or boundary sent
if (! getBoundary(&boundary)) {
generateError(HttpResponse::BAD, TRI_ERROR_HTTP_BAD_PARAMETER, "invalid content-type or boundary received");
return status_t(HttpHandler::HANDLER_FAILED);
}
LOG_TRACE("boundary of multipart-message is '%s'", boundary.c_str());
size_t errors = 0;
// get authorization header. we will inject this into the subparts
string authorization = _request->header("authorization");
// create the response
_response = createResponse(HttpResponse::OK);
_response->setContentType(_request->header("content-type"));
// setup some auxiliary structures to parse the multipart message
MultipartMessage message(boundary.c_str(),
boundary.size(),
_request->body(),
_request->body() + _request->bodySize());
SearchHelper helper;
helper.message = &message;
helper.searchStart = (char*) message.messageStart;
// iterate over all parts of the multipart message
while (true) {
// get the next part from the multipart message
if (! extractPart(&helper)) {
// error
generateError(HttpResponse::BAD, TRI_ERROR_HTTP_BAD_PARAMETER, "invalid multipart message received");
LOG_WARNING("received a corrupted multipart message");
return status_t(HttpHandler::HANDLER_FAILED);
}
// split part into header & body
const char* partStart = helper.foundStart;
const char* partEnd = partStart + helper.foundLength;
const size_t partLength = helper.foundLength;
const char* headerStart = partStart;
char* bodyStart = nullptr;
size_t headerLength = 0;
size_t bodyLength = 0;
// assume Windows linebreak \r\n\r\n as delimiter
char* p = strstr((char*) headerStart, "\r\n\r\n");
if (p != nullptr && p + 4 <= partEnd) {
headerLength = p - partStart;
bodyStart = p + 4;
bodyLength = partEnd - bodyStart;
}
else {
// test Unix linebreak
p = strstr((char*) headerStart, "\n\n");
if (p != nullptr && p + 2 <= partEnd) {
headerLength = p - partStart;
bodyStart = p + 2;
bodyLength = partEnd - bodyStart;
}
else {
// no delimiter found, assume we have only a header
headerLength = partLength;
}
}
// set up request object for the part
LOG_TRACE("part header is: %s", string(headerStart, headerLength).c_str());
HttpRequest* request = new HttpRequest(_request->connectionInfo(), headerStart, headerLength, _request->compatibility(), false);
if (request == nullptr) {
generateError(HttpResponse::SERVER_ERROR, TRI_ERROR_OUT_OF_MEMORY);
return status_t(HttpHandler::HANDLER_FAILED);
}
// we do not have a client task id here
request->setClientTaskId(0);
// inject the request context from the framing (batch) request
// the "false" means the context is not responsible for resource handling
request->setRequestContext(_request->getRequestContext(), false);
request->setDatabaseName(_request->databaseName());
if (bodyLength > 0) {
LOG_TRACE("part body is '%s'", string(bodyStart, bodyLength).c_str());
request->setBody(bodyStart, bodyLength);
}
if (authorization.size()) {
// inject Authorization header of multipart message into part message
request->setHeader("authorization", 13, authorization.c_str());
}
HttpHandler* handler = _server->createHandler(request);
if (! handler) {
delete request;
generateError(HttpResponse::BAD, TRI_ERROR_INTERNAL, "could not create handler for batch part processing");
return status_t(HttpHandler::HANDLER_FAILED);
}
HttpHandler::status_t status(HttpHandler::HANDLER_FAILED);
do {
handler->prepareExecute();
try {
status = handler->execute();
}
catch (triagens::basics::Exception const& ex) {
handler->handleError(ex);
}
catch (std::exception const& ex) {
triagens::basics::Exception err(TRI_ERROR_INTERNAL, ex.what(), __FILE__, __LINE__);
handler->handleError(err);
}
catch (...) {
triagens::basics::Exception err(TRI_ERROR_INTERNAL, __FILE__, __LINE__);
handler->handleError(err);
}
handler->finalizeExecute();
}
while (status.status == HttpHandler::HANDLER_REQUEUE);
if (status.status == HttpHandler::HANDLER_FAILED) {
// one of the handlers failed, we must exit now
delete handler;
generateError(HttpResponse::BAD, TRI_ERROR_INTERNAL, "executing a handler for batch part failed");
return status_t(HttpHandler::HANDLER_FAILED);
}
HttpResponse* partResponse = handler->getResponse();
if (partResponse == nullptr) {
delete handler;
generateError(HttpResponse::BAD, TRI_ERROR_INTERNAL, "could not create a response for batch part request");
return status_t(HttpHandler::HANDLER_FAILED);
}
const HttpResponse::HttpResponseCode code = partResponse->responseCode();
if (code >= 400) {
// error
++errors;
}
// append the boundary for this subpart
_response->body().appendText(boundary + "\r\nContent-Type: ");
_response->body().appendText(triagens::rest::HttpRequest::BatchContentType);
if (helper.contentId != 0) {
// append content-id
_response->body().appendText("\r\nContent-Id: " + string(helper.contentId, helper.contentIdLength));
}
_response->body().appendText(TRI_CHAR_LENGTH_PAIR("\r\n\r\n"));
// remove some headers we don't need
partResponse->setHeader(TRI_CHAR_LENGTH_PAIR("connection"), "");
partResponse->setHeader(TRI_CHAR_LENGTH_PAIR("server"), "");
// append the part response header
partResponse->writeHeader(&_response->body());
// append the part response body
_response->body().appendText(partResponse->body());
_response->body().appendText(TRI_CHAR_LENGTH_PAIR("\r\n"));
delete handler;
if (! helper.containsMore) {
// we've read the last part
break;
}
} // next part
// append final boundary + "--"
_response->body().appendText(boundary + "--");
if (errors > 0) {
_response->setHeader(HttpResponse::BatchErrorHeader, StringUtils::itoa(errors));
}
// success
return status_t(HttpHandler::HANDLER_DONE);
}