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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 sts=4 et: */
/* 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 "nsViewSourceHandler.h"
#include "nsViewSourceChannel.h"
#include "nsNetUtil.h"
#include "nsSimpleNestedURI.h"
#define VIEW_SOURCE "view-source"
////////////////////////////////////////////////////////////////////////////////
NS_IMPL_ISUPPORTS1(nsViewSourceHandler, nsIProtocolHandler)
////////////////////////////////////////////////////////////////////////////////
// nsIProtocolHandler methods:
NS_IMETHODIMP
nsViewSourceHandler::GetScheme(nsACString &result)
{
result.AssignLiteral(VIEW_SOURCE);
return NS_OK;
}
NS_IMETHODIMP
nsViewSourceHandler::GetDefaultPort(int32_t *result)
{
*result = -1;
return NS_OK;
}
NS_IMETHODIMP
nsViewSourceHandler::GetProtocolFlags(uint32_t *result)
{
*result = URI_NORELATIVE | URI_NOAUTH | URI_LOADABLE_BY_ANYONE |
URI_NON_PERSISTABLE;
return NS_OK;
}
NS_IMETHODIMP
nsViewSourceHandler::NewURI(const nsACString &aSpec,
const char *aCharset,
nsIURI *aBaseURI,
nsIURI **aResult)
{
*aResult = nullptr;
// Extract inner URL and normalize to ASCII. This is done to properly
// support IDN in cases like "view-source:http://www.szalagavató.hu/"
int32_t colon = aSpec.FindChar(':');
if (colon == kNotFound)
return NS_ERROR_MALFORMED_URI;
nsCOMPtr<nsIURI> innerURI;
nsresult rv = NS_NewURI(getter_AddRefs(innerURI),
Substring(aSpec, colon + 1), aCharset, aBaseURI);
if (NS_FAILED(rv))
return rv;
nsAutoCString asciiSpec;
rv = innerURI->GetAsciiSpec(asciiSpec);
if (NS_FAILED(rv))
return rv;
// put back our scheme and construct a simple-uri wrapper
asciiSpec.Insert(VIEW_SOURCE ":", 0);
// We can't swap() from an nsRefPtr<nsSimpleNestedURI> to an nsIURI**,
// sadly.
nsSimpleNestedURI* ourURI = new nsSimpleNestedURI(innerURI);
nsCOMPtr<nsIURI> uri = ourURI;
if (!uri)
return NS_ERROR_OUT_OF_MEMORY;
rv = ourURI->SetSpec(asciiSpec);
if (NS_FAILED(rv))
return rv;
// Make the URI immutable so it's impossible to get it out of sync
// with its inner URI.
ourURI->SetMutable(false);
uri.swap(*aResult);
return rv;
}
NS_IMETHODIMP
nsViewSourceHandler::NewChannel(nsIURI* uri, nsIChannel* *result)
{
NS_ENSURE_ARG_POINTER(uri);
nsViewSourceChannel *channel = new nsViewSourceChannel();
if (!channel)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(channel);
nsresult rv = channel->Init(uri);
if (NS_FAILED(rv)) {
NS_RELEASE(channel);
return rv;
}
*result = static_cast<nsIViewSourceChannel*>(channel);
return NS_OK;
}
NS_IMETHODIMP
nsViewSourceHandler::AllowPort(int32_t port, const char *scheme, bool *_retval)
{
// don't override anything.
*_retval = false;
return NS_OK;
}
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