1 files changed, 113 insertions, 0 deletions
diff --git a/dom/fetch/ChannelInfo.cpp b/dom/fetch/ChannelInfo.cpp
new file mode 100644
index 0000000000..62e6287b0c
--- /dev/null
+++ b/dom/fetch/ChannelInfo.cpp
@@ -0,0 +1,113 @@
+/* -*- 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 "mozilla/dom/ChannelInfo.h"
+#include "nsCOMPtr.h"
+#include "nsContentUtils.h"
+#include "nsIChannel.h"
+#include "mozilla/dom/Document.h"
+#include "nsIGlobalObject.h"
+#include "nsIHttpChannel.h"
+#include "nsSerializationHelper.h"
+#include "mozilla/BasePrincipal.h"
+#include "mozilla/net/HttpBaseChannel.h"
+#include "mozilla/ipc/ChannelInfo.h"
+#include "nsNetUtil.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+void ChannelInfo::InitFromDocument(Document* aDoc) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(!mInited, "Cannot initialize the object twice");
+
+  nsCOMPtr<nsISupports> securityInfo = aDoc->GetSecurityInfo();
+  if (securityInfo) {
+    SetSecurityInfo(securityInfo);
+  }
+
+  mInited = true;
+}
+
+void ChannelInfo::InitFromChannel(nsIChannel* aChannel) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(!mInited, "Cannot initialize the object twice");
+
+  nsCOMPtr<nsISupports> securityInfo;
+  aChannel->GetSecurityInfo(getter_AddRefs(securityInfo));
+  if (securityInfo) {
+    SetSecurityInfo(securityInfo);
+  }
+
+  mInited = true;
+}
+
+void ChannelInfo::InitFromChromeGlobal(nsIGlobalObject* aGlobal) {
+  MOZ_ASSERT(!mInited, "Cannot initialize the object twice");
+  MOZ_ASSERT(aGlobal);
+
+  MOZ_RELEASE_ASSERT(aGlobal->PrincipalOrNull()->IsSystemPrincipal());
+
+  mSecurityInfo.Truncate();
+  mInited = true;
+}
+
+void ChannelInfo::InitFromIPCChannelInfo(
+    const mozilla::ipc::IPCChannelInfo& aChannelInfo) {
+  MOZ_ASSERT(!mInited, "Cannot initialize the object twice");
+
+  mSecurityInfo = aChannelInfo.securityInfo();
+
+  mInited = true;
+}
+
+void ChannelInfo::SetSecurityInfo(nsISupports* aSecurityInfo) {
+  MOZ_ASSERT(mSecurityInfo.IsEmpty(), "security info should only be set once");
+  nsCOMPtr<nsISerializable> serializable = do_QueryInterface(aSecurityInfo);
+  if (!serializable) {
+    NS_WARNING(
+        "A non-serializable object was passed to "
+        "InternalResponse::SetSecurityInfo");
+    return;
+  }
+  NS_SerializeToString(serializable, mSecurityInfo);
+}
+
+nsresult ChannelInfo::ResurrectInfoOnChannel(nsIChannel* aChannel) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(mInited);
+
+  if (!mSecurityInfo.IsEmpty()) {
+    nsCOMPtr<nsISupports> infoObj;
+    nsresult rv = NS_DeserializeObject(mSecurityInfo, getter_AddRefs(infoObj));
+    if (NS_WARN_IF(NS_FAILED(rv))) {
+      return rv;
+    }
+    nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(aChannel);
+    MOZ_ASSERT(httpChannel);
+    net::HttpBaseChannel* httpBaseChannel =
+        static_cast<net::HttpBaseChannel*>(httpChannel.get());
+    rv = httpBaseChannel->OverrideSecurityInfo(infoObj);
+    if (NS_WARN_IF(NS_FAILED(rv))) {
+      return rv;
+    }
+  }
+
+  return NS_OK;
+}
+
+mozilla::ipc::IPCChannelInfo ChannelInfo::AsIPCChannelInfo() const {
+  // This may be called when mInited is false, for example if we try to store
+  // a synthesized Response object into the Cache.  Uninitialized and empty
+  // ChannelInfo objects are indistinguishable at the IPC level, so this is
+  // fine.
+
+  IPCChannelInfo ipcInfo;
+
+  ipcInfo.securityInfo() = mSecurityInfo;
+
+  return ipcInfo;
+}