tor-browser

commit 6b617efd7ed250f0071d956fc999f642e0316b09
parent 4222cd273c8c5d09a36df225d33c6aa80c11b1c4
Author: Tom Schuster <tschuster@mozilla.com>
Date:   Mon, 17 Nov 2025 11:19:42 +0000

Bug 1985987 - Define the moz-remote-image protocol. r=necko-reviewers,valentin

Differential Revision: https://phabricator.services.mozilla.com/D264380

Diffstat:
M
image/moz.build
 | 
2
+-
A
image/remote/RemoteImageProtocolHandler.cpp
 | 
32
++++++++++++++++++++++++++++++++
A
image/remote/RemoteImageProtocolHandler.h
 | 
41
+++++++++++++++++++++++++++++++++++++++++
A
image/remote/components.conf
 | 
24
++++++++++++++++++++++++
A
image/remote/moz.build
 | 
19
+++++++++++++++++++

5 files changed, 117 insertions(+), 1 deletion(-)
diff --git a/image/moz.build b/image/moz.build
@@ -4,7 +4,7 @@
 # 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/.
 
-DIRS += ["build", "decoders", "encoders"]
+DIRS += ["build", "decoders", "encoders", "remote"]
 TEST_DIRS += ["test/gtest"]
 
 if CONFIG["FUZZING_INTERFACES"]:
diff --git a/image/remote/RemoteImageProtocolHandler.cpp b/image/remote/RemoteImageProtocolHandler.cpp
@@ -0,0 +1,32 @@
+/* -*- 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 "RemoteImageProtocolHandler.h"
+
+namespace mozilla::image {
+
+StaticRefPtr<RemoteImageProtocolHandler> RemoteImageProtocolHandler::sSingleton;
+
+NS_IMPL_ISUPPORTS(RemoteImageProtocolHandler, nsIProtocolHandler,
+                  nsISupportsWeakReference);
+
+NS_IMETHODIMP RemoteImageProtocolHandler::GetScheme(nsACString& aScheme) {
+  aScheme.AssignLiteral("moz-remote-image");
+  return NS_OK;
+}
+
+NS_IMETHODIMP RemoteImageProtocolHandler::AllowPort(int32_t, const char*,
+                                                    bool* aAllow) {
+  *aAllow = false;
+  return NS_OK;
+}
+
+NS_IMETHODIMP RemoteImageProtocolHandler::NewChannel(nsIURI* aURI,
+                                                     nsILoadInfo* aLoadInfo,
+                                                     nsIChannel** aOutChannel) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+} // namespace mozilla::image
diff --git a/image/remote/RemoteImageProtocolHandler.h b/image/remote/RemoteImageProtocolHandler.h
@@ -0,0 +1,41 @@
+/* -*- 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/. */
+
+#ifndef mozilla_image_remote_RemoteImageProtocolHandler_h
+#define mozilla_image_remote_RemoteImageProtocolHandler_h
+
+#include "mozilla/AlreadyAddRefed.h"
+#include "mozilla/ClearOnShutdown.h"
+#include "mozilla/StaticPtr.h"
+#include "nsIProtocolHandler.h"
+#include "nsThreadUtils.h"
+#include "nsWeakReference.h"
+
+namespace mozilla::image {
+
+class RemoteImageProtocolHandler : public nsIProtocolHandler,
+                                   public nsSupportsWeakReference {
+ public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIPROTOCOLHANDLER
+
+  static already_AddRefed<RemoteImageProtocolHandler> GetSingleton() {
+    MOZ_ASSERT(NS_IsMainThread());
+    if (MOZ_UNLIKELY(!sSingleton)) {
+      sSingleton = new RemoteImageProtocolHandler();
+      ClearOnShutdown(&sSingleton);
+    }
+    return do_AddRef(sSingleton);
+  }
+
+ private:
+  virtual ~RemoteImageProtocolHandler() = default;
+
+  static StaticRefPtr<RemoteImageProtocolHandler> sSingleton;
+};
+
+}  // namespace mozilla::image
+
+#endif  // mozilla_image_remote_RemoteImageProtocolHandler_h
diff --git a/image/remote/components.conf b/image/remote/components.conf
@@ -0,0 +1,24 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+Classes = [
+    {
+        'cid': '{4c733bd7-0bea-435a-ae1e-e65f3269d519}',
+        'contract_ids': ['@mozilla.org/network/protocol;1?name=moz-remote-image'],
+        'singleton': True,
+        'type': 'mozilla::image::RemoteImageProtocolHandler',
+        'headers': ['mozilla/image/RemoteImageProtocolHandler.h'],
+        'constructor': 'mozilla::image::RemoteImageProtocolHandler::GetSingleton',
+        'protocol_config': {
+            'scheme': 'moz-remote-image',
+            'flags': [
+                'URI_NORELATIVE',
+                'URI_NOAUTH',
+                'URI_DANGEROUS_TO_LOAD',
+            ],
+        },
+    },
+]
diff --git a/image/remote/moz.build b/image/remote/moz.build
@@ -0,0 +1,19 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+XPCOM_MANIFESTS += [
+    "components.conf",
+]
+
+EXPORTS.mozilla.image += [
+    "RemoteImageProtocolHandler.h",
+]
+
+UNIFIED_SOURCES += [
+    "RemoteImageProtocolHandler.cpp",
+]
+
+FINAL_LIBRARY = "xul"