void WorkMonitor::vpackHandler(VPackBuilder* b, WorkDescription* desc) {
HttpHandler* handler = desc->_data.handler;
const HttpRequest* request = handler->getRequest();
b->add("type", VPackValue("http-handler"));
b->add("protocol", VPackValue(request->protocol()));
b->add("method",
VPackValue(HttpRequest::translateMethod(request->requestType())));
b->add("url", VPackValue(request->fullUrl()));
b->add("httpVersion", VPackValue((int) request->protocolVersion()));
b->add("database", VPackValue(request->databaseName()));
b->add("user", VPackValue(request->user()));
b->add("taskId", VPackValue(request->clientTaskId()));
if (handler->_statistics != nullptr) {
b->add("startTime", VPackValue(handler->_statistics->_requestStart));
}
auto& info = request->connectionInfo();
b->add("server", VPackValue(VPackValueType::Object));
b->add("address", VPackValue(info.serverAddress));
b->add("port", VPackValue(info.serverPort));
b->close();
b->add("client", VPackValue(VPackValueType::Object));
b->add("address", VPackValue(info.clientAddress));
b->add("port", VPackValue(info.clientPort));
b->close();
b->add("endpoint", VPackValue(VPackValueType::Object));
b->add("address", VPackValue(info.endpoint));
b->add("type", VPackValue(info.portType()));
b->close();
}
foreach (QObject* object, children())
{
HttpHandler* handler = qobject_cast<HttpHandler*>(object);
if (handler && handler->handleRequest(connection))
return true;
}
int uwsgiProcessor::process(wsgi_request *wsgi_req)
{
if (uwsgi_parse_vars(wsgi_req))
{
return -1;
}
Request req(wsgi_req);
Response res(wsgi_req);
HttpHandler* proc = processor();
return proc->request_handler(req,res);
}
// AddAsk 支持两种参数列表
// 1. AddAsk(http, ask, callback) // 支持回调，等待回调继续处理
// 2. AddAsk(http, ask) // 没有回调，处理完就ok了
static int tolua_luaexport_AddAsk00(lua_State* tolua_S)
{
tolua_Error tolua_err;
if (!tolua_isusertype(tolua_S,1,"HttpHandler",0,&tolua_err))
{
tolua_error(tolua_S,"#ferror in function 'JsonDecode'.",&tolua_err);
return 0;
}
else
{
HttpHandler* http = (HttpHandler*)tolua_tousertype(tolua_S,1,0);
LuaAsk* ask = NULL;
if (tolua_isusertype(tolua_S,2,"DBAsk",0,&tolua_err))
{
ask = (DBAsk*)tolua_tousertype(tolua_S,2,0);
}
else if (tolua_isusertype(tolua_S,2,"HttpAsk",0,&tolua_err))
{
ask = (HttpAsk*)tolua_tousertype(tolua_S,2,0);
}
else if (tolua_isusertype(tolua_S,2,"ServerAsk",0,&tolua_err))
{
ask = (ServerAsk*)tolua_tousertype(tolua_S,2,0);
}
else
{
ask = (LuaAsk*)tolua_tousertype(tolua_S,2,0);
}
int nFuncId = 0;
if (lua_isfunction(tolua_S, 3))
{// 2. AddAsk(http, ask) // 没有回调，处理完就ok了
lua_pushvalue(tolua_S, 3);
nFuncId = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
}
if (!http->addAsk(ask, nFuncId))
{
return 0;
}
}
return 1;
}
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* HttpHandlerFactory::createHandler(HttpRequest* request) {
std::string const& path = request->requestPath();
// In the bootstrap phase, we would like that coordinators answer the
// following to endpoints, but not yet others:
if (MaintenanceMode) {
if ((!ServerState::instance()->isCoordinator() &&
path.find("/_api/agency/agency-callbacks") == std::string::npos) ||
(path != "/_api/shard-comm" &&
path.find("/_api/agency/agency-callbacks") == std::string::npos &&
path.find("/_api/aql") == std::string::npos)) {
LOG(DEBUG) << "Maintenance mode: refused path: " << path;
return new MaintenanceHandler(request);
}
}
std::unordered_map<std::string, create_fptr> const& ii = _constructors;
std::string const* modifiedPath = &path;
std::string prefix;
auto i = ii.find(path);
// no direct match, check prefix matches
if (i == ii.end()) {
LOG(TRACE) << "no direct handler found, trying prefixes";
// find longest match
size_t const pathLength = path.size();
for (auto const& p : _prefixes) {
size_t const pSize = p.size();
if (path.compare(0, pSize, p) == 0) {
if (pSize < pathLength && path[pSize] == '/') {
if (prefix.size() < pSize) {
prefix = p;
}
}
}
}
if (prefix.empty()) {
LOG(TRACE) << "no prefix handler found, trying catch all";
i = ii.find("/");
if (i != ii.end()) {
LOG(TRACE) << "found catch all handler '/'";
size_t l = 1;
size_t n = path.find_first_of('/', l);
while (n != std::string::npos) {
request->addSuffix(path.substr(l, n - l));
l = n + 1;
n = path.find_first_of('/', l);
}
if (l < path.size()) {
request->addSuffix(path.substr(l));
}
modifiedPath = &ROOT_PATH;
request->setPrefix(ROOT_PATH);
}
}
else {
LOG(TRACE) << "found prefix match '" << prefix << "'";
size_t l = prefix.size() + 1;
size_t n = path.find_first_of('/', l);
while (n != std::string::npos) {
request->addSuffix(path.substr(l, n - l));
l = n + 1;
n = path.find_first_of('/', l);
}
if (l < path.size()) {
request->addSuffix(path.substr(l));
}
modifiedPath = &prefix;
i = ii.find(prefix);
request->setPrefix(prefix);
}
}
// no match
void* data = nullptr;
if (i == ii.end()) {
if (_notFound != nullptr) {
HttpHandler* notFoundHandler = _notFound(request, data);
notFoundHandler->setServer(this);
return notFoundHandler;
}
LOG(TRACE) << "no not-found handler, giving up";
return nullptr;
}
// look up data
{
auto const& it = _datas.find(*modifiedPath);
if (it != _datas.end()) {
data = (*it).second;
}
}
LOG(TRACE) << "found handler for path '" << *modifiedPath << "'";
HttpHandler* handler = i->second(request, data);
handler->setServer(this);
return handler;
}
ConnectionHandler* HttpServer::createConnectionHandler(qintptr socketDescriptor) const {
HttpHandler* http = new HttpHandler(callback);
http->setSocketCreator(new TcpSocketCreation(socketDescriptor));
return http;
}
HttpHandler* HttpHandlerFactory::createHandler (HttpRequest* request) {
#if 0
READ_LOCKER(_maintenanceLock);
if (_maintenance) {
return ((S*) this)->createMaintenanceHandler();
}
#endif
map<string, create_fptr> const& ii = _constructors;
string path = request->requestPath();
map<string, create_fptr>::const_iterator i = ii.find(path);
void* data = 0;
// no direct match, check prefix matches
if (i == ii.end()) {
LOG_TRACE("no direct handler found, trying prefixes");
// find longest match
string prefix;
vector<string> const& jj = _prefixes;
const size_t pathLength = path.size();
for (vector<string>::const_iterator j = jj.begin(); j != jj.end(); ++j) {
string const& p = *j;
const size_t pSize = p.size();
if (path.compare(0, pSize, p) == 0) {
if (pSize < pathLength && path[pSize] == '/') {
if (prefix.size() < pSize) {
prefix = p;
}
}
}
}
if (prefix.empty()) {
LOG_TRACE("no prefix handler found, trying catch all");
i = ii.find("/");
if (i != ii.end()) {
LOG_TRACE("found catch all handler '/'");
size_t l = 1;
size_t n = path.find_first_of('/', l);
while (n != string::npos) {
request->addSuffix(path.substr(l, n - l).c_str());
l = n + 1;
n = path.find_first_of('/', l);
}
if (l < path.size()) {
request->addSuffix(path.substr(l).c_str());
}
path = "/";
request->setPrefix(path.c_str());
}
}
else {
LOG_TRACE("found prefix match '%s'", prefix.c_str());
size_t l = prefix.size() + 1;
size_t n = path.find_first_of('/', l);
while (n != string::npos) {
request->addSuffix(path.substr(l, n - l).c_str());
l = n + 1;
n = path.find_first_of('/', l);
}
if (l < path.size()) {
request->addSuffix(path.substr(l).c_str());
}
path = prefix;
request->setPrefix(path.c_str());
i = ii.find(path);
}
}
// no match
if (i == ii.end()) {
if (_notFound != 0) {
HttpHandler* notFoundHandler = _notFound(request, data);
notFoundHandler->setServer(this);
return notFoundHandler;
}
else {
LOG_TRACE("no not-found handler, giving up");
return 0;
}
}
// look up data
map<string, void*> const& jj = _datas;
map<string, void*>::const_iterator j = jj.find(path);
if (j != jj.end()) {
data = j->second;
}
LOG_TRACE("found handler for path '%s'", path.c_str());
HttpHandler* handler = i->second(request, data);
handler->setServer(this);
return handler;
}
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);
}
HttpHandler* HttpHandlerFactory::createHandler (HttpRequest* request) {
if (MaintenanceMode) {
return new MaintenanceHandler(request);
}
unordered_map<string, create_fptr> const& ii = _constructors;
string path = request->requestPath();
auto i = ii.find(path);
void* data = nullptr;
// no direct match, check prefix matches
if (i == ii.end()) {
LOG_TRACE("no direct handler found, trying prefixes");
// find longest match
string prefix;
size_t const pathLength = path.size();
for (auto const& p : _prefixes) {
const size_t pSize = p.size();
if (path.compare(0, pSize, p) == 0) {
if (pSize < pathLength && path[pSize] == '/') {
if (prefix.size() < pSize) {
prefix = p;
}
}
}
}
if (prefix.empty()) {
LOG_TRACE("no prefix handler found, trying catch all");
i = ii.find("/");
if (i != ii.end()) {
LOG_TRACE("found catch all handler '/'");
size_t l = 1;
size_t n = path.find_first_of('/', l);
while (n != string::npos) {
request->addSuffix(path.substr(l, n - l));
l = n + 1;
n = path.find_first_of('/', l);
}
if (l < path.size()) {
request->addSuffix(path.substr(l));
}
path = "/";
request->setPrefix(path.c_str());
}
}
else {
LOG_TRACE("found prefix match '%s'", prefix.c_str());
size_t l = prefix.size() + 1;
size_t n = path.find_first_of('/', l);
while (n != string::npos) {
request->addSuffix(path.substr(l, n - l));
l = n + 1;
n = path.find_first_of('/', l);
}
if (l < path.size()) {
request->addSuffix(path.substr(l));
}
path = prefix;
request->setPrefix(path.c_str());
i = ii.find(path);
}
}
// no match
if (i == ii.end()) {
if (_notFound != nullptr) {
HttpHandler* notFoundHandler = _notFound(request, data);
notFoundHandler->setServer(this);
return notFoundHandler;
}
else {
LOG_TRACE("no not-found handler, giving up");
return nullptr;
}
}
// look up data
{
auto const& it = _datas.find(path);
if (it != _datas.end()) {
data = (*it).second;
}
}
LOG_TRACE("found handler for path '%s'", path.c_str());
HttpHandler* handler = i->second(request, data);
handler->setServer(this);
return handler;
}