Basic user access check for chromoting host.

remoting/host/access_verifier.h

Index: remoting/host/access_verifier.h
diff --git a/remoting/host/access_verifier.h b/remoting/host/access_verifier.h
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+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef REMOTING_HOST_ACCESS_VERIFIER_H_
+#define REMOTING_HOST_ACCESS_VERIFIER_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+
+namespace remoting {
+
+class HostConfig;
+
+// AccessVerifier is used by to verify that the client has access to the host.
+// Currently it just checks that host and client have the same bare JID.
+//
+// TODO(sergeyu): AccessVerifier should query directory to verify user
+// permissions.
+class AccessVerifier {
+ public:
+  AccessVerifier();
+  bool Init(HostConfig* config);
+  bool VerifyPermissions(const std::string& client_jid);
+
+ private:
+  std::string host_jid_prefix_;
+  bool initialized_;
+
+  DISALLOW_COPY_AND_ASSIGN(AccessVerifier);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_ACCESS_VERIFIER_H_