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-rw-r--r--dom/media/webrtc/PeerIdentity.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/dom/media/webrtc/PeerIdentity.cpp b/dom/media/webrtc/PeerIdentity.cpp
new file mode 100644
index 0000000000..d36fea5ea3
--- /dev/null
+++ b/dom/media/webrtc/PeerIdentity.cpp
@@ -0,0 +1,80 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=2 sts=2 expandtab
+ * 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 "PeerIdentity.h"
+
+#include "mozilla/DebugOnly.h"
+#include "nsCOMPtr.h"
+#include "nsIIDNService.h"
+#include "nsNetCID.h"
+#include "nsServiceManagerUtils.h"
+
+namespace mozilla {
+
+bool PeerIdentity::Equals(const PeerIdentity& aOther) const {
+ return Equals(aOther.mPeerIdentity);
+}
+
+bool PeerIdentity::Equals(const nsAString& aOtherString) const {
+ nsString user;
+ GetUser(mPeerIdentity, user);
+ nsString otherUser;
+ GetUser(aOtherString, otherUser);
+ if (user != otherUser) {
+ return false;
+ }
+
+ nsString host;
+ GetHost(mPeerIdentity, host);
+ nsString otherHost;
+ GetHost(aOtherString, otherHost);
+
+ nsresult rv;
+ nsCOMPtr<nsIIDNService> idnService =
+ do_GetService("@mozilla.org/network/idn-service;1", &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return host == otherHost;
+ }
+
+ nsCString normHost;
+ GetNormalizedHost(idnService, host, normHost);
+ nsCString normOtherHost;
+ GetNormalizedHost(idnService, otherHost, normOtherHost);
+ return normHost == normOtherHost;
+}
+
+/* static */
+void PeerIdentity::GetUser(const nsAString& aPeerIdentity, nsAString& aUser) {
+ int32_t at = aPeerIdentity.FindChar('@');
+ if (at >= 0) {
+ aUser = Substring(aPeerIdentity, 0, at);
+ } else {
+ aUser.Truncate();
+ }
+}
+
+/* static */
+void PeerIdentity::GetHost(const nsAString& aPeerIdentity, nsAString& aHost) {
+ int32_t at = aPeerIdentity.FindChar('@');
+ if (at >= 0) {
+ aHost = Substring(aPeerIdentity, at + 1);
+ } else {
+ aHost = aPeerIdentity;
+ }
+}
+
+/* static */
+void PeerIdentity::GetNormalizedHost(const nsCOMPtr<nsIIDNService>& aIdnService,
+ const nsAString& aHost,
+ nsACString& aNormalizedHost) {
+ const nsCString chost = NS_ConvertUTF16toUTF8(aHost);
+ DebugOnly<nsresult> rv =
+ aIdnService->ConvertUTF8toACE(chost, aNormalizedHost);
+ NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
+ "Failed to convert UTF-8 host to ASCII");
+}
+
+} /* namespace mozilla */