forked from mirrors/gecko-dev
d349734f89
Set the Content-Type to an empty string for an blob when the type was not given. Ensure that the channel Content-Type is not overriden in the case that it was previously set and the blob type is not valid. Differential Revision: https://phabricator.services.mozilla.com/D147481
86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 "BlobURLChannel.h"
|
|
#include "mozilla/dom/BlobImpl.h"
|
|
#include "mozilla/dom/BlobURL.h"
|
|
#include "mozilla/dom/BlobURLInputStream.h"
|
|
|
|
using namespace mozilla::dom;
|
|
|
|
BlobURLChannel::BlobURLChannel(nsIURI* aURI, nsILoadInfo* aLoadInfo)
|
|
: mContentStreamOpened(false) {
|
|
SetURI(aURI);
|
|
SetOriginalURI(aURI);
|
|
SetLoadInfo(aLoadInfo);
|
|
|
|
// If we're sandboxed, make sure to clear any owner the channel
|
|
// might already have.
|
|
if (aLoadInfo && aLoadInfo->GetLoadingSandboxed()) {
|
|
SetOwner(nullptr);
|
|
}
|
|
}
|
|
|
|
BlobURLChannel::~BlobURLChannel() = default;
|
|
|
|
NS_IMETHODIMP
|
|
BlobURLChannel::SetContentType(const nsACString& aContentType) {
|
|
// If the blob type is empty, set the content type of the channel to the
|
|
// empty string.
|
|
if (aContentType.IsEmpty()) {
|
|
mContentType.Truncate();
|
|
return NS_OK;
|
|
}
|
|
|
|
return nsBaseChannel::SetContentType(aContentType);
|
|
}
|
|
|
|
nsresult BlobURLChannel::OpenContentStream(bool aAsync,
|
|
nsIInputStream** aResult,
|
|
nsIChannel** aChannel) {
|
|
if (mContentStreamOpened) {
|
|
return NS_ERROR_ALREADY_OPENED;
|
|
}
|
|
|
|
mContentStreamOpened = true;
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
nsresult rv = GetURI(getter_AddRefs(uri));
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_MALFORMED_URI);
|
|
|
|
RefPtr<BlobURL> blobURL;
|
|
rv = uri->QueryInterface(kHOSTOBJECTURICID, getter_AddRefs(blobURL));
|
|
|
|
if (NS_WARN_IF(NS_FAILED(rv)) || NS_WARN_IF(!blobURL)) {
|
|
return NS_ERROR_MALFORMED_URI;
|
|
}
|
|
|
|
if (blobURL->Revoked()) {
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
nsCOMPtr<nsILoadInfo> loadInfo;
|
|
GetLoadInfo(getter_AddRefs(loadInfo));
|
|
// if the channel was not triggered by the system principal,
|
|
// then we return here because the URL had been revoked
|
|
if (loadInfo && !loadInfo->TriggeringPrincipal()->IsSystemPrincipal()) {
|
|
return NS_ERROR_MALFORMED_URI;
|
|
}
|
|
#else
|
|
return NS_ERROR_MALFORMED_URI;
|
|
#endif
|
|
}
|
|
|
|
nsCOMPtr<nsIInputStream> inputStream =
|
|
BlobURLInputStream::Create(this, blobURL);
|
|
if (NS_WARN_IF(!inputStream)) {
|
|
return NS_ERROR_MALFORMED_URI;
|
|
}
|
|
|
|
EnableSynthesizedProgressEvents(true);
|
|
|
|
inputStream.forget(aResult);
|
|
|
|
return NS_OK;
|
|
}
|