RESTObject ContactsResource::post(std::string request,
const RESTObject& posted)
{
// An ID is not allowed on POST, it will be returned
// in the Locaiton: header
if (!request.empty() && request != "/")
throw HTTPException(400,"Invalid query");
Address addr;
try {
addr = Address::fromString(posted.properties["address"].asString());
} catch (...) {
// TODO Create a proper exception class
throw HTTPException(400,"Invalid address");
}
GPSLocation loc(posted.properties["latitude"].asDouble(),
posted.properties["longitude"].asDouble());
time_t expires = posted.properties["expires"].asUInt64();
contacts.insert(ContactsSet::Entry(addr,loc,expires));
// Return the object as required.
RESTObject obj;
obj.properties = posted.properties;
// Set location to address
obj.location = "/" + addr.toString();
return obj;
}
StreamSocket HTTPClientSession::proxyConnect()
{
HTTPClientSession proxySession(getProxyHost(), getProxyPort());
proxySession.setTimeout(getTimeout());
SocketAddress targetAddress(getHost(), getPort());
HTTPRequest proxyRequest(HTTPRequest::HTTP_CONNECT, targetAddress.toString(), HTTPMessage::HTTP_1_1);
HTTPResponse proxyResponse;
proxyRequest.set("Proxy-Connection", "keep-alive");
proxyRequest.set("Host", getHost());
proxyAuthenticateImpl(proxyRequest);
proxySession.setKeepAlive(true);
proxySession.sendRequest(proxyRequest);
proxySession.receiveResponse(proxyResponse);
if (proxyResponse.getStatus() != HTTPResponse::HTTP_OK)
throw HTTPException("Cannot establish proxy connection", proxyResponse.getReason());
return proxySession.detachSocket();
}
void HTTPSClientSession::connect(const SocketAddress& address)
{
if (getProxyHost().empty())
{
SecureStreamSocket sss(socket());
if (_pContext->sessionCacheEnabled())
{
sss.useSession(_pSession);
}
HTTPSession::connect(address);
if (_pContext->sessionCacheEnabled())
{
_pSession = sss.currentSession();
}
}
else
{
HTTPClientSession proxySession(address);
proxySession.setHost(getProxyHost());
proxySession.setPort(getProxyPort());
proxySession.setTimeout(getTimeout());
SocketAddress targetAddress(getHost(), getPort());
HTTPRequest proxyRequest(HTTPRequest::HTTP_CONNECT, targetAddress.toString(), HTTPMessage::HTTP_1_1);
HTTPResponse proxyResponse;
proxyRequest.set("Proxy-Connection", "keep-alive");
proxyRequest.set("Host", getHost());
proxyAuthenticateImpl(proxyRequest);
proxySession.setKeepAlive(true);
proxySession.sendRequest(proxyRequest);
proxySession.receiveResponse(proxyResponse);
if (proxyResponse.getStatus() != HTTPResponse::HTTP_OK)
throw HTTPException("Cannot establish proxy connection", proxyResponse.getReason());
StreamSocket proxySocket(proxySession.detachSocket());
SecureStreamSocket secureSocket = SecureStreamSocket::attach(proxySocket, getHost(), _pContext, _pSession);
attachSocket(secureSocket);
if (_pContext->sessionCacheEnabled())
{
_pSession = secureSocket.currentSession();
}
}
}
RESTObject ContactsResource::get(std::string request)
{
if (!request.empty() && request != "/")
throw HTTPException(400,"Invalid query");
RESTObject result;
result.properties = Json::Value(Json::arrayValue);
for (const ContactsSet::Entry& contact : contacts)
{
Json::Value contactInfo(Json::objectValue);
contactInfo["address"] = contact.address.toString();
contactInfo["latitude"] = contact.location.lat;
contactInfo["longitude"] = contact.location.lon;
contactInfo["expires"] = (Json::UInt64) contact.expires;
result.properties.append(contactInfo);
}
return result;
}
std::istream* HTTPStreamFactory::open(const URI& uri)
{
poco_assert (uri.getScheme() == "http");
URI resolvedURI(uri);
URI proxyUri;
HTTPClientSession* pSession = 0;
HTTPResponse res;
bool retry = false;
bool authorize = false;
std::string username;
std::string password;
try
{
do
{
if (!pSession)
{
pSession = new HTTPClientSession(resolvedURI.getHost(), resolvedURI.getPort());
if (proxyUri.empty())
pSession->setProxy(_proxyHost, _proxyPort);
else
pSession->setProxy(proxyUri.getHost(), proxyUri.getPort());
pSession->setProxyCredentials(_proxyUsername, _proxyPassword);
}
std::string path = resolvedURI.getPathAndQuery();
if (path.empty()) path = "/";
HTTPRequest req(HTTPRequest::HTTP_GET, path, HTTPMessage::HTTP_1_1);
if (authorize)
{
HTTPCredentials::extractCredentials(uri, username, password);
HTTPCredentials cred(username, password);
cred.authenticate(req, res);
}
pSession->sendRequest(req);
std::istream& rs = pSession->receiveResponse(res);
bool moved = (res.getStatus() == HTTPResponse::HTTP_MOVED_PERMANENTLY ||
res.getStatus() == HTTPResponse::HTTP_FOUND ||
res.getStatus() == HTTPResponse::HTTP_SEE_OTHER ||
res.getStatus() == HTTPResponse::HTTP_TEMPORARY_REDIRECT);
if (moved)
{
resolvedURI.resolve(res.get("Location"));
if (!username.empty())
{
resolvedURI.setUserInfo(username + ":" + password);
}
throw URIRedirection(resolvedURI.toString());
}
else if (res.getStatus() == HTTPResponse::HTTP_OK)
{
return new HTTPResponseStream(rs, pSession);
}
else if (res.getStatus() == HTTPResponse::HTTP_USEPROXY && !retry)
{
// The requested resource MUST be accessed through the proxy
// given by the Location field. The Location field gives the
// URI of the proxy. The recipient is expected to repeat this
// single request via the proxy. 305 responses MUST only be generated by origin servers.
// only use for one single request!
proxyUri.resolve(res.get("Location"));
delete pSession; pSession = 0;
retry = true; // only allow useproxy once
}
else if (res.getStatus() == HTTPResponse::HTTP_UNAUTHORIZED && !authorize)
{
authorize = true;
retry = true;
Poco::NullOutputStream null;
Poco::StreamCopier::copyStream(rs, null);
}
else throw HTTPException(res.getReason(), uri.toString());
}
while (retry);
throw HTTPException("Too many redirects", uri.toString());
}
catch (...)
{
delete pSession;
throw;
}
}