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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H | |
6 #define COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H | |
7 | |
8 #include <memory> | |
9 #include <string> | |
10 | |
11 #include "base/macros.h" | |
12 | |
13 namespace proximity_auth { | |
14 | |
15 class WireMessage { | |
16 public: | |
17 // Creates a WireMessage containing |payload|. | |
18 explicit WireMessage(const std::string& payload); | |
19 | |
20 // Creates a WireMessage containing |payload| and |permit_id| in the metadata. | |
21 WireMessage(const std::string& payload, const std::string& permit_id); | |
22 | |
23 virtual ~WireMessage(); | |
24 | |
25 // Returns the deserialized message from |serialized_message|, or NULL if the | |
26 // message is malformed. Sets |is_incomplete_message| to true if the message | |
27 // does not have enough data to parse the header, or if the message length | |
28 // encoded in the message header exceeds the size of the |serialized_message|. | |
29 static std::unique_ptr<WireMessage> Deserialize( | |
30 const std::string& serialized_message, | |
31 bool* is_incomplete_message); | |
32 | |
33 // Returns a serialized representation of |this| message. | |
34 virtual std::string Serialize() const; | |
35 | |
36 const std::string& payload() const { return payload_; } | |
37 const std::string& permit_id() const { return permit_id_; } | |
38 | |
39 private: | |
40 // The message payload. | |
41 const std::string payload_; | |
42 | |
43 // Identifier of the permit being used. A permit contains the credentials used | |
44 // to authenticate a device. For example, when sending a WireMessage to the | |
45 // remote device the |permit_id_| indexes a permit possibly containing the | |
46 // public key | |
47 // of the local device or a symmetric key shared between the devices. | |
48 const std::string permit_id_; | |
49 | |
50 DISALLOW_COPY_AND_ASSIGN(WireMessage); | |
51 }; | |
52 | |
53 } // namespace proximity_auth | |
54 | |
55 #endif // COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H | |
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