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/* -*- Mode: C++; tab-width: 8; 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/. */
#ifndef nsHostObjectProtocolHandler_h
#define nsHostObjectProtocolHandler_h
#include "mozilla/Attributes.h"
#include "nsIProtocolHandler.h"
#include "nsIURI.h"
#include "nsCOMPtr.h"
#include "nsIInputStream.h"
#include "nsTArray.h"
#define BLOBURI_SCHEME "blob"
#define FONTTABLEURI_SCHEME "moz-fonttable"
#define RTSPURI_SCHEME "rtsp"
class nsIPrincipal;
namespace mozilla {
class BlobURLsReporter;
class DOMMediaStream;
namespace dom {
class BlobImpl;
class BlobURLRegistrationData;
class ContentParent;
class MediaSource;
} // namespace dom
} // namespace mozilla
class nsHostObjectProtocolHandler : public nsIProtocolHandler
, public nsIProtocolHandlerWithDynamicFlags
{
public:
nsHostObjectProtocolHandler();
NS_DECL_ISUPPORTS
// nsIProtocolHandler methods, except for GetScheme which is only defined
// in subclasses.
NS_IMETHOD GetDefaultPort(int32_t *aDefaultPort) override;
NS_IMETHOD GetProtocolFlags(uint32_t *aProtocolFlags) override;
NS_IMETHOD NewURI(const nsACString & aSpec, const char * aOriginCharset, nsIURI *aBaseURI, nsIURI * *_retval) override;
NS_IMETHOD NewChannel2(nsIURI *aURI, nsILoadInfo *aLoadinfo, nsIChannel * *_retval) override;
NS_IMETHOD NewChannel(nsIURI *aURI, nsIChannel * *_retval) override;
NS_IMETHOD AllowPort(int32_t port, const char * scheme, bool *_retval) override;
// nsIProtocolHandlerWithDynamicFlags methods
NS_IMETHOD GetFlagsForURI(nsIURI *aURI, uint32_t *aResult) override;
// If principal is not null, its origin will be used to generate the URI.
static nsresult GenerateURIString(const nsACString &aScheme,
nsIPrincipal* aPrincipal,
nsACString &aUri);
static nsresult GenerateURIStringForBlobURL(nsIPrincipal* aPrincipal,
nsACString &aUri);
// Methods for managing uri->object mapping
// AddDataEntry creates the URI with the given scheme and returns it in aUri
static nsresult AddDataEntry(mozilla::dom::BlobImpl* aBlobImpl,
nsIPrincipal* aPrincipal,
nsACString& aUri);
static nsresult AddDataEntry(mozilla::DOMMediaStream* aMediaStream,
nsIPrincipal* aPrincipal,
nsACString& aUri);
static nsresult AddDataEntry(mozilla::dom::MediaSource* aMediaSource,
nsIPrincipal* aPrincipal,
nsACString& aUri);
// IPC only
static nsresult AddDataEntry(const nsACString& aURI,
nsIPrincipal* aPrincipal,
mozilla::dom::BlobImpl* aBlobImpl);
static void RemoveDataEntry(const nsACString& aUri,
bool aBroadcastToOTherProcesses = true);
// This is for IPC only.
static void RemoveDataEntries();
static bool HasDataEntry(const nsACString& aUri);
static nsIPrincipal* GetDataEntryPrincipal(const nsACString& aUri);
static void Traverse(const nsACString& aUri, nsCycleCollectionTraversalCallback& aCallback);
static bool
GetAllBlobURLEntries(nsTArray<mozilla::dom::BlobURLRegistrationData>& aRegistrations,
mozilla::dom::ContentParent* aCP);
protected:
virtual ~nsHostObjectProtocolHandler() {}
private:
static void Init();
};
class nsBlobProtocolHandler : public nsHostObjectProtocolHandler
{
public:
NS_IMETHOD GetProtocolFlags(uint32_t *aProtocolFlags) override;
NS_IMETHOD GetScheme(nsACString &result) override;
};
class nsMediaSourceProtocolHandler : public nsHostObjectProtocolHandler
{
public:
NS_IMETHOD GetScheme(nsACString &result) override;
};
class nsFontTableProtocolHandler : public nsHostObjectProtocolHandler
{
public:
NS_IMETHOD GetProtocolFlags(uint32_t *aProtocolFlags) override;
NS_IMETHOD GetScheme(nsACString &result) override;
NS_IMETHOD NewURI(const nsACString & aSpec,
const char *aOriginCharset,
nsIURI *aBaseURI,
nsIURI **_retval) override;
};
bool IsBlobURI(nsIURI* aUri);
bool IsMediaStreamURI(nsIURI* aUri);
bool IsMediaSourceURI(nsIURI* aUri);
inline bool IsRtspURI(nsIURI* aUri)
{
bool isRtsp;
return NS_SUCCEEDED(aUri->SchemeIs(RTSPURI_SCHEME, &isRtsp)) && isRtsp;
}
inline bool IsFontTableURI(nsIURI* aUri)
{
bool isFont;
return NS_SUCCEEDED(aUri->SchemeIs(FONTTABLEURI_SCHEME, &isFont)) && isFont;
}
extern nsresult
NS_GetBlobForBlobURI(nsIURI* aURI, mozilla::dom::BlobImpl** aBlob);
extern nsresult
NS_GetBlobForBlobURISpec(const nsACString& aSpec, mozilla::dom::BlobImpl** aBlob);
extern nsresult
NS_GetStreamForBlobURI(nsIURI* aURI, nsIInputStream** aStream);
extern nsresult
NS_GetStreamForMediaStreamURI(nsIURI* aURI, mozilla::DOMMediaStream** aStream);
extern nsresult
NS_GetSourceForMediaSourceURI(nsIURI* aURI, mozilla::dom::MediaSource** aSource);
#endif /* nsHostObjectProtocolHandler_h */
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