gecko/netwerk/protocol/wyciwyg/nsWyciwygProtocolHandler.cpp

150 lines
4.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsWyciwyg.h"
#include "nsWyciwygChannel.h"
#include "nsWyciwygProtocolHandler.h"
#include "nsIURL.h"
#include "nsIComponentManager.h"
#include "nsNetCID.h"
#include "nsServiceManagerUtils.h"
#include "plstr.h"
#include "nsNetUtil.h"
#include "mozilla/net/NeckoChild.h"
using namespace mozilla::net;
#include "mozilla/net/WyciwygChannelChild.h"
////////////////////////////////////////////////////////////////////////////////
nsWyciwygProtocolHandler::nsWyciwygProtocolHandler()
{
#if defined(PR_LOGGING)
if (!gWyciwygLog)
gWyciwygLog = PR_NewLogModule("nsWyciwygChannel");
#endif
LOG(("Creating nsWyciwygProtocolHandler [this=%x].\n", this));
}
nsWyciwygProtocolHandler::~nsWyciwygProtocolHandler()
{
LOG(("Deleting nsWyciwygProtocolHandler [this=%x]\n", this));
}
NS_IMPL_ISUPPORTS1(nsWyciwygProtocolHandler, nsIProtocolHandler)
////////////////////////////////////////////////////////////////////////////////
// nsIProtocolHandler methods:
////////////////////////////////////////////////////////////////////////////////
NS_IMETHODIMP
nsWyciwygProtocolHandler::GetScheme(nsACString &result)
{
result = "wyciwyg";
return NS_OK;
}
NS_IMETHODIMP
nsWyciwygProtocolHandler::GetDefaultPort(int32_t *result)
{
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
nsWyciwygProtocolHandler::AllowPort(int32_t port, const char *scheme, bool *_retval)
{
// don't override anything.
*_retval = false;
return NS_OK;
}
NS_IMETHODIMP
nsWyciwygProtocolHandler::NewURI(const nsACString &aSpec,
const char *aCharset, // ignored
nsIURI *aBaseURI,
nsIURI **result)
{
nsresult rv;
nsCOMPtr<nsIURI> url = do_CreateInstance(NS_SIMPLEURI_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = url->SetSpec(aSpec);
NS_ENSURE_SUCCESS(rv, rv);
*result = url;
NS_ADDREF(*result);
return rv;
}
NS_IMETHODIMP
nsWyciwygProtocolHandler::NewChannel(nsIURI* url, nsIChannel* *result)
{
if (mozilla::net::IsNeckoChild())
mozilla::net::NeckoChild::InitNeckoChild();
NS_ENSURE_ARG_POINTER(url);
nsresult rv;
nsCOMPtr<nsIWyciwygChannel> channel;
if (IsNeckoChild()) {
NS_ENSURE_TRUE(gNeckoChild != nullptr, NS_ERROR_FAILURE);
WyciwygChannelChild *wcc = static_cast<WyciwygChannelChild *>(
gNeckoChild->SendPWyciwygChannelConstructor());
if (!wcc)
return NS_ERROR_OUT_OF_MEMORY;
channel = wcc;
rv = wcc->Init(url);
if (NS_FAILED(rv))
PWyciwygChannelChild::Send__delete__(wcc);
} else
{
// If original channel used https, make sure PSM is initialized
// (this may be first channel to load during a session restore)
nsAutoCString path;
rv = url->GetPath(path);
NS_ENSURE_SUCCESS(rv, rv);
int32_t slashIndex = path.FindChar('/', 2);
if (slashIndex == kNotFound)
return NS_ERROR_FAILURE;
if (path.Length() < (uint32_t)slashIndex + 1 + 5)
return NS_ERROR_FAILURE;
if (!PL_strncasecmp(path.get() + slashIndex + 1, "https", 5))
net_EnsurePSMInit();
nsWyciwygChannel *wc = new nsWyciwygChannel();
channel = wc;
rv = wc->Init(url);
}
if (NS_FAILED(rv))
return rv;
*result = channel.forget().get();
return NS_OK;
}
NS_IMETHODIMP
nsWyciwygProtocolHandler::GetProtocolFlags(uint32_t *result)
{
// Should this be an an nsINestedURI? We don't really want random webpages
// loading these URIs...
// Note that using URI_INHERITS_SECURITY_CONTEXT here is OK -- untrusted code
// is not allowed to link to wyciwyg URIs and users shouldn't be able to get
// at them, and nsDocShell::InternalLoad forbids non-history loads of these
// URIs. And when loading from history we end up using the principal from
// the history entry, which we put there ourselves, so all is ok.
*result = URI_NORELATIVE | URI_NOAUTH | URI_DANGEROUS_TO_LOAD |
URI_INHERITS_SECURITY_CONTEXT;
return NS_OK;
}