Support socket endpoint permissions for AppsV2 Socket API.

chrome/common/extensions/permissions/socket_permission_data.h

+// Copyright (c) 2012 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 CHROME_COMMON_EXTENSIONS_PERMISSIONS_SOCKET_PERMISSION_DATA_H_
+#define CHROME_COMMON_EXTENSIONS_PERMISSIONS_SOCKET_PERMISSION_DATA_H_
+
+#include <string>
+
+namespace extensions {
+
+// A pattern that can be used to match socket permission.

[miket_OOO, 2012/08/06 21:04:06]

This seems to be a very unit-testable class, but there isn't a dedicated test
for it. Can you write one? Remember that browser tests are relatively slow and
hard to debug, while unit tests are fast and bring in few unrelated parts of the
system.

[Peng, 2012/08/07 21:31:55]

Done

+// <socket-permission-pattern>
+//     := <op> | <op> ':' <host> | <op> ':' ':' <port> |
+//        <op> ':' <host> ':' <port>
+// <op> := 'tcp-connect' | 'tcp-listen' | 'udp-bind' | 'udp-send-to'
+// <host> := '*' | '*.' <anychar except '/' and '*'>+
+// <port> := '*' | <port number between 0 and 65535>)
+class SocketPermissionData {
+ public:
+  enum OperationType {
+    NONE = 0,
+    TCP_CONNECT,
+    TCP_LISTEN,
+    UDP_BIND,
+    UDP_SEND_TO,
+  };
+
+  SocketPermissionData();
+  ~SocketPermissionData();
+
+  bool operator<(const SocketPermissionData& rhs) const;
+  bool operator==(const SocketPermissionData& rhs) const;
+
+  bool Match(OperationType type, const std::string& host, int port) const;
+
+  bool Parse(const std::string& permission);
+
+  const std::string& GetAsString() const;
+
+ private:
+  OperationType type_;
+  std::string host_;
+  bool match_subdomains_;
+  int port_;
+  mutable std::string spec_;
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_COMMON_EXTENSIONS_PERMISSIONS_SOCKET_PERMISSION_DATA_H_