bool RESTHandler::build_message(Poco::Net::HTTPServerRequest &request, Poco::Net::HTMLForm &form, Poco::URI &url,
zmqpp::message &msg) {
Json::Value root;
bool ok = false;
/// Find 'args' param in query or as POST body
if (form.has("args")) {
ok = reader.parse(form.get("args"), root);
} else if (request.getMethod() == Poco::Net::HTTPRequest::HTTP_POST) {
ok = reader.parse(request.stream(), root);
}
if (!ok || !root.isArray()) {
return false;
}
if (verbose) {
std::clog << "0\t" << url.getPath().substr(1) << std::endl;
}
/// Get service name as path without leading slash
msg << url.getPath().substr(1);
for (size_t i = 0; i < root.size(); ++i) {
auto val = root.get(i, "");
if (!verbose)
msg << (val.isString() ? root.get(i, "").asString() : val.toStyledString());
else {
std::string s = (val.isString() ? root.get(i, "").asString() : val.toStyledString());
msg << s;
std::clog << (i + 1) << '\t' << s << std::endl;
}
}
return true;
}
bool FileSystemRoute::canHandleRequest(const Poco::Net::HTTPServerRequest& request,
bool isSecurePort) const
{
// require an HTTP_GET call
return request.getMethod() == Poco::Net::HTTPRequest::HTTP_GET &&
BaseRoute::canHandleRequest(request, isSecurePort);
}
/* virtual*/ void handleRequest(Poco::Net::HTTPServerRequest &req, Poco::Net::HTTPServerResponse &resp)
{
resp.setStatus(Poco::Net::HTTPResponse::HTTP_OK); //Sets the HTTP status code, Why?
resp.setContentType("text/html"); // set the content type of the message
ostream& out = resp.send(); //Returns an output stream for sending the response body. The returned stream is valid until the response object is destroyed.
out << "<h1>Hello world!</h1>" //Body of the repsonse
// << "<p>Count: " << ++count << "</p>"
<< "<p>Host: " << req.getHost() << "</p>" //Returns the value of the Host header field.
<< "<p>Method: " << req.getMethod() << "</p>"
<< "<p>URI: " << req.getURI() << "</p>";
out.flush();
cout << endl
//<< "Response sent for count=" << count
<< " Response sent for URI=" << req.getURI() << endl;
}
void
RemoveByAttributesHandler::handleRequest(Poco::Net::HTTPServerRequest &req, Poco::Net::HTTPServerResponse &resp)
{
prepareApiResponse(resp);
if (req.getMethod() != "POST") {
resp.setStatus(Poco::Net::HTTPResponse::HTTP_BAD_REQUEST);
resp.setReason("Bad Request");
Error error("Only POST requests are supported");
std::ostream & out = resp.send();
out << error;
out.flush();
return;
}
auto job = std::make_shared<Job>(Job::Type::REMOVE_BY_ATTRIBUTES);
try {
// read the whole request body into memory
std::stringstream bodystream;
bodystream << req.stream().rdbuf();
// parse received json into the job object
job->fromString( bodystream.str() );
}
catch (std::exception &e) {
resp.setStatus(Poco::Net::HTTPResponse::HTTP_BAD_REQUEST);
resp.setReason("Bad Request");
Error error(e.what());
poco_warning(logger, e.what());
std::ostream & out = resp.send();
out << error;
out.flush();
return;
}
// return 404 if layer does not exist
try {
auto layer = configuration->getLayer(job->getLayerName());
}
catch (ConfigurationError) {
// layer does not exist
resp.setStatus(Poco::Net::HTTPResponse::HTTP_NOT_FOUND);
resp.setReason("Not Found");
std::stringstream msgstream;
msgstream << "Layer \"" << job->getLayerName() << "\" does not exist";
Error error(msgstream.str());
poco_warning(logger, error.getMessage());
std::ostream & out = resp.send();
out << error;
out.flush();
return;
}
if (auto jobstorage = jobs.lock()) {
poco_debug(logger, "pushing job to jobstorage");
jobstorage->push(job);
}
else {
resp.setStatus(Poco::Net::HTTPResponse::HTTP_INTERNAL_SERVER_ERROR);
resp.setReason("Internal Server Error");
const char * emsg = "Could not get a lock on jobstorage";
Error error(emsg);
poco_error(logger, emsg);
std::ostream & out = resp.send();
out << error;
out.flush();
return;
}
resp.setStatus(Poco::Net::HTTPResponse::HTTP_OK);
std::ostream & out = resp.send();
out << *job;
out.flush();
};
void handleRequest(Poco::Net::HTTPServerRequest& request, Poco::Net::HTTPServerResponse& response)
{
//Poco::Util::Application& app = Poco::Util::Application::instance();
//app.logger().information("Request from " + request.clientAddress().toString());
std::cout << "Request from " << request.clientAddress().toString() << std::endl;
MyPartHandler partHandler;
Poco::Net::HTMLForm form(request, request.stream(), partHandler);
std::string spinToken, sceneString, nodeString, args;
std::istringstream pathstream(request.getURI());
pathstream.get(); // ignore leading slash
getline(pathstream, spinToken, '/');
getline(pathstream, sceneString, '/');
getline(pathstream, nodeString, '?');
if (sceneString.empty()) sceneString = "default";
//if (nodeString.empty()) nodeString = "shp";
if (form.empty()) args = "createNode shp ShapeNode";
else args = form["args"];
response.setChunkedTransferEncoding(true);
response.setContentType("text/html");
std::ostream& ostr = response.send();
ostr <<
"<html>\n"
"<head>\n"
"<title>SPIN Web Service</title>\n"
"</head>\n"
"<body>\n"
"<h1>SPIN Web Service</h1>\n"
"<h3>Enter a SPIN command in the form below:</h3>\n"
"<table><tr><td nowrap=\"nowrap\">\n"
"<form name=\"urlForm\" method=\"GET\" action=\"null\">\n"
"/SPIN/"
"<input type=\"text\" name=\"sceneID\" value=\"" << sceneString << "\" size=\"10\">\n"
"/<input type=\"text\" name=\"nodeID\" value=\"" << nodeString << "\" size=\"10\">"
"</form></td>\n"
"<td nowrap=\"nowrap\">\n"
"<form name=\"spinform\" method=\"GET\" action=\"null\">\n"
"<input type=\"text\" name=\"args\" value=\"" << args << "\" size=\"20\">\n"
"<input type=\"submit\" value=\"GO\" onclick=\"this.form.action='/SPIN/'+document.forms['urlForm']['sceneID'].value+'/'+document.forms['urlForm']['nodeID'].value\">\n"
"</form>\n"
"</tr></table>\n"
"<p>(NOTE: you can send scene messages by leaving the node name blank)</p>\n"
"\n";
/*
ostr <<
"<html>\n"
"<head>\n"
"<title>SPIN Web Server Sample</title>\n"
"</head>\n"
"<body>\n"
"<h1>SPIN Web Server Sample</h1>\n"
"<h2>Tests:</h2>\n"
"<form name=\"spinform\" method=\"GET\" action=\"null\">\n"
"/SPIN/default/"
"<input type=\"text\" name=\"nodeID\" value=\"shp\" size=\"15\">"
" "
"<input type=\"text\" name=\"method\" value=\"rotate\" size=\"15\">"
" move<input type=\"text\" name=\"x\" value=\"0\" size=\"3\">"
" <input type=\"text\" name=\"y\" value=\"0\" size=\"3\">"
" <input type=\"text\" name=\"z\" value=\"10\" size=\"3\">\n"
" <input type=\"submit\" value=\"GO\" onclick=\"this.form.action='/SPIN/default/'+this.form.nodeID.value\">\n"
"</form>\n"
"\n";
ostr <<
"<html>\n"
"<head>\n"
"<title>SPIN Web Server Sample</title>\n"
"</head>\n"
"<body>\n"
"<h1>SPIN Web Server Sample</h1>\n"
"<h2>GET Form</h2>\n"
"<form method=\"GET\" action=\"/form\">\n"
"<input type=\"text\" name=\"text\" size=\"31\">\n"
"<input type=\"submit\" value=\"GET\">\n"
"</form>\n"
"<h2>POST Form</h2>\n"
"<form method=\"POST\" action=\"/form\">\n"
"<input type=\"text\" name=\"text\" size=\"31\">\n"
"<input type=\"submit\" value=\"POST\">\n"
"</form>\n"
"<h2>File Upload</h2>\n"
"<form method=\"POST\" action=\"/form\" enctype=\"multipart/form-data\">\n"
"<input type=\"file\" name=\"file\" size=\"31\"> \n"
"<input type=\"submit\" value=\"Upload\">\n"
"</form>\n";
*/
ostr << "<h2>Result</h2><p>\n";
ostr << "Method: " << request.getMethod() << "<br>\n";
ostr << "URI: " << request.getURI() << "<br>\n";
Poco::Net::NameValueCollection::ConstIterator it = request.begin();
Poco::Net::NameValueCollection::ConstIterator end = request.end();
for (; it != end; ++it)
{
ostr << it->first << ": " << it->second << "<br>\n";
}
ostr << "</p>";
/*
if (!form.empty())
{
ostr << "<h2>Result</h2><p>\n";
it = form.begin();
end = form.end();
for (; it != end; ++it)
{
ostr << it->first << ": " << it->second << "<br>\n";
}
ostr << "</p>";
}
*/
// --------parse
introspect_invoke(request.getURI(), form);
// ---------------
if (!partHandler.name().empty())
{
ostr << "<h2>Upload</h2><p>\n";
ostr << "Name: " << partHandler.name() << "<br>\n";
ostr << "File Name: " << partHandler.fileName() << "<br>\n";
ostr << "Type: " << partHandler.contentType() << "<br>\n";
ostr << "Size: " << partHandler.length() << "<br>\n";
ostr << "</p>";
}
ostr << "</body>\n";
}