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127 lines
3.7 KiB
C++
127 lines
3.7 KiB
C++
//
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// HTTPStreamFactory.cpp
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//
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// $Id: //poco/1.1.0/Net/src/HTTPStreamFactory.cpp#2 $
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//
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// Library: Net
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// Package: HTTP
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// Module: HTTPStreamFactory
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//
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// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Net/HTTPStreamFactory.h"
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#include "Net/HTTPClientSession.h"
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#include "Net/HTTPIOStream.h"
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#include "Net/HTTPRequest.h"
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#include "Net/HTTPResponse.h"
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#include "Net/NetException.h"
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#include "Foundation/URI.h"
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#include "Foundation/URIStreamOpener.h"
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#include "Foundation/UnbufferedStreamBuf.h"
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using Foundation::URIStreamFactory;
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using Foundation::URI;
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using Foundation::URIStreamOpener;
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using Foundation::UnbufferedStreamBuf;
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Net_BEGIN
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HTTPStreamFactory::HTTPStreamFactory():
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_proxyPort(HTTPSession::HTTP_PORT)
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{
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}
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HTTPStreamFactory::HTTPStreamFactory(const std::string& proxyHost, Foundation::UInt16 proxyPort):
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_proxyHost(proxyHost),
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_proxyPort(proxyPort)
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{
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}
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HTTPStreamFactory::~HTTPStreamFactory()
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{
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}
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std::istream* HTTPStreamFactory::open(const URI& uri)
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{
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poco_assert (uri.getScheme() == "http");
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URI resolvedURI(uri);
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HTTPClientSession* pSession = 0;
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try
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{
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int redirects = 0;
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do
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{
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pSession = new HTTPClientSession(resolvedURI.getHost(), resolvedURI.getPort());
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pSession->setProxy(_proxyHost, _proxyPort);
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std::string path = resolvedURI.getPathAndQuery();
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if (path.empty()) path = "/";
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HTTPRequest req(HTTPRequest::HTTP_GET, path, HTTPMessage::HTTP_1_1);
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pSession->sendRequest(req);
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HTTPResponse res;
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std::istream& rs = pSession->receiveResponse(res);
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bool moved = (res.getStatus() == HTTPResponse::HTTP_MOVED_PERMANENTLY ||
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res.getStatus() == HTTPResponse::HTTP_FOUND ||
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res.getStatus() == HTTPResponse::HTTP_SEE_OTHER);
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if (moved)
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{
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resolvedURI.resolve(res.get("Location"));
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delete pSession;
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++redirects;
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}
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else if (res.getStatus() == HTTPResponse::HTTP_OK)
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{
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return new HTTPResponseStream(rs, pSession);
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}
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else throw HTTPException(res.getReason(), uri.toString());
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}
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while (redirects < MAX_REDIRECTS);
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throw HTTPException("Too many redirects", uri.toString());
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}
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catch (...)
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{
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delete pSession;
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throw;
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}
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}
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void HTTPStreamFactory::registerFactory()
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{
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URIStreamOpener::defaultOpener().registerStreamFactory("http", new HTTPStreamFactory);
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}
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Net_END
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