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httpget.cpp
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94 lines (83 loc) · 2.3 KB
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//
// httpget.cpp
//
// This sample demonstrates the HTTPClientSession and the HTTPCredentials classes.
//
// Copyright (c) 2005-2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Net/HTTPClientSession.h"
#include "Poco/Net/HTTPRequest.h"
#include "Poco/Net/HTTPResponse.h"
#include "Poco/Net/HTTPCredentials.h"
#include "Poco/StreamCopier.h"
#include "Poco/NullStream.h"
#include "Poco/Path.h"
#include "Poco/URI.h"
#include "Poco/Exception.h"
#include <iostream>
using Poco::Net::HTTPClientSession;
using Poco::Net::HTTPRequest;
using Poco::Net::HTTPResponse;
using Poco::Net::HTTPMessage;
using Poco::StreamCopier;
using Poco::Path;
using Poco::URI;
using Poco::Exception;
bool doRequest(Poco::Net::HTTPClientSession& session, Poco::Net::HTTPRequest& request, Poco::Net::HTTPResponse& response)
{
session.sendRequest(request);
std::istream& rs = session.receiveResponse(response);
std::cout << response.getStatus() << " " << response.getReason() << std::endl;
if (response.getStatus() != Poco::Net::HTTPResponse::HTTP_UNAUTHORIZED)
{
StreamCopier::copyStream(rs, std::cout);
return true;
}
else
{
Poco::NullOutputStream null;
StreamCopier::copyStream(rs, null);
return false;
}
}
int main(int argc, char** argv)
{
if (argc != 2)
{
Path p(argv[0]);
std::cout << "usage: " << p.getBaseName() << " <uri>" << std::endl;
std::cout << " fetches the resource identified by <uri> and print it to the standard output" << std::endl;
return 1;
}
try
{
URI uri(argv[1]);
std::string path(uri.getPathAndQuery());
if (path.empty()) path = "/";
std::string username;
std::string password;
Poco::Net::HTTPCredentials::extractCredentials(uri, username, password);
Poco::Net::HTTPCredentials credentials(username, password);
HTTPClientSession session(uri.getHost(), uri.getPort());
HTTPRequest request(HTTPRequest::HTTP_GET, path, HTTPMessage::HTTP_1_1);
HTTPResponse response;
if (!doRequest(session, request, response))
{
credentials.authenticate(request, response);
if (!doRequest(session, request, response))
{
std::cerr << "Invalid username or password" << std::endl;
return 1;
}
}
}
catch (Exception& exc)
{
std::cerr << exc.displayText() << std::endl;
return 1;
}
return 0;
}