зеркало из https://github.com/mozilla/gecko-dev.git
176 строки
4.5 KiB
C++
176 строки
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set ts=4 sw=4 sts=4 et: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsViewSourceHandler.h"
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#include "nsViewSourceChannel.h"
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#include "nsNetUtil.h"
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#include "nsSimpleNestedURI.h"
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#define VIEW_SOURCE "view-source"
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namespace mozilla {
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namespace net {
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////////////////////////////////////////////////////////////////////////////////
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NS_IMPL_ISUPPORTS(nsViewSourceHandler, nsIProtocolHandler)
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////////////////////////////////////////////////////////////////////////////////
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// nsIProtocolHandler methods:
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NS_IMETHODIMP
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nsViewSourceHandler::GetScheme(nsACString &result)
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{
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result.AssignLiteral(VIEW_SOURCE);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::GetDefaultPort(int32_t *result)
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{
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*result = -1;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::GetProtocolFlags(uint32_t *result)
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{
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*result = URI_NORELATIVE | URI_NOAUTH | URI_DANGEROUS_TO_LOAD |
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URI_NON_PERSISTABLE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::NewURI(const nsACString &aSpec,
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const char *aCharset,
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nsIURI *aBaseURI,
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nsIURI **aResult)
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{
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*aResult = nullptr;
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// Extract inner URL and normalize to ASCII. This is done to properly
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// support IDN in cases like "view-source:http://www.szalagavató.hu/"
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int32_t colon = aSpec.FindChar(':');
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if (colon == kNotFound)
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return NS_ERROR_MALFORMED_URI;
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nsCOMPtr<nsIURI> innerURI;
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nsresult rv = NS_NewURI(getter_AddRefs(innerURI),
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Substring(aSpec, colon + 1), aCharset, aBaseURI);
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if (NS_FAILED(rv))
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return rv;
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nsAutoCString asciiSpec;
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rv = innerURI->GetAsciiSpec(asciiSpec);
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if (NS_FAILED(rv))
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return rv;
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// put back our scheme and construct a simple-uri wrapper
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asciiSpec.Insert(VIEW_SOURCE ":", 0);
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// We can't swap() from an RefPtr<nsSimpleNestedURI> to an nsIURI**,
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// sadly.
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nsSimpleNestedURI* ourURI = new nsSimpleNestedURI(innerURI);
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nsCOMPtr<nsIURI> uri = ourURI;
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if (!uri)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = ourURI->SetSpec(asciiSpec);
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if (NS_FAILED(rv))
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return rv;
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// Make the URI immutable so it's impossible to get it out of sync
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// with its inner URI.
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ourURI->SetMutable(false);
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uri.swap(*aResult);
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return rv;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::NewChannel2(nsIURI* uri,
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nsILoadInfo* aLoadInfo,
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nsIChannel** result)
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{
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NS_ENSURE_ARG_POINTER(uri);
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nsViewSourceChannel *channel = new nsViewSourceChannel();
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if (!channel)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(channel);
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nsresult rv = channel->Init(uri);
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if (NS_FAILED(rv)) {
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NS_RELEASE(channel);
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return rv;
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}
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// set the loadInfo on the new channel
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rv = channel->SetLoadInfo(aLoadInfo);
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if (NS_FAILED(rv)) {
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NS_RELEASE(channel);
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return rv;
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}
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*result = static_cast<nsIViewSourceChannel*>(channel);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::NewChannel(nsIURI* uri, nsIChannel* *result)
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{
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return NewChannel2(uri, nullptr, result);
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}
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nsresult
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nsViewSourceHandler::NewSrcdocChannel(nsIURI *aURI,
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nsIURI *aBaseURI,
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const nsAString &aSrcdoc,
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nsILoadInfo* aLoadInfo,
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nsIChannel** outChannel)
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{
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NS_ENSURE_ARG_POINTER(aURI);
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RefPtr<nsViewSourceChannel> channel = new nsViewSourceChannel();
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nsresult rv = channel->InitSrcdoc(aURI, aBaseURI, aSrcdoc, aLoadInfo);
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if (NS_FAILED(rv)) {
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return rv;
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}
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*outChannel = static_cast<nsIViewSourceChannel*>(channel.forget().take());
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return NS_OK;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::AllowPort(int32_t port, const char *scheme, bool *_retval)
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{
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// don't override anything.
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*_retval = false;
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return NS_OK;
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}
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nsViewSourceHandler::nsViewSourceHandler()
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{
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gInstance = this;
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}
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nsViewSourceHandler::~nsViewSourceHandler()
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{
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gInstance = nullptr;
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}
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nsViewSourceHandler* nsViewSourceHandler::gInstance = nullptr;
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nsViewSourceHandler*
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nsViewSourceHandler::GetInstance()
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{
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return gInstance;
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}
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} // namespace net
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} // namespace mozilla
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