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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_CRX_FILE_CRX_FILE_H_ | 5 #ifndef COMPONENTS_CRX_FILE_CRX_FILE_H_ |
6 #define COMPONENTS_CRX_FILE_CRX_FILE_H_ | 6 #define COMPONENTS_CRX_FILE_CRX_FILE_H_ |
7 | 7 |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include <stddef.h> | 8 #include <stddef.h> |
12 #include <stdint.h> | 9 #include <stdint.h> |
13 #include <sys/types.h> | 10 #include <sys/types.h> |
14 #include "base/memory/scoped_ptr.h" | 11 |
| 12 #include <memory> |
| 13 #include <string> |
| 14 #include <vector> |
15 | 15 |
16 namespace base { | 16 namespace base { |
17 class FilePath; | 17 class FilePath; |
18 } | 18 } |
19 | 19 |
20 namespace crx_file { | 20 namespace crx_file { |
21 | 21 |
22 // CRX files have a header that includes a magic key, version number, and | 22 // CRX files have a header that includes a magic key, version number, and |
23 // some signature sizing information. Use CrxFile object to validate whether | 23 // some signature sizing information. Use CrxFile object to validate whether |
24 // the header is valid or not. | 24 // the header is valid or not. |
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45 kInvalidVersion, | 45 kInvalidVersion, |
46 kInvalidKeyTooLarge, | 46 kInvalidKeyTooLarge, |
47 kInvalidKeyTooSmall, | 47 kInvalidKeyTooSmall, |
48 kInvalidSignatureTooLarge, | 48 kInvalidSignatureTooLarge, |
49 kInvalidSignatureTooSmall, | 49 kInvalidSignatureTooSmall, |
50 }; | 50 }; |
51 | 51 |
52 // Construct a new CRX file header object with bytes of a header | 52 // Construct a new CRX file header object with bytes of a header |
53 // read from a CRX file. If a null scoped_ptr is returned, |error| | 53 // read from a CRX file. If a null scoped_ptr is returned, |error| |
54 // contains an error code with additional information. | 54 // contains an error code with additional information. |
55 static scoped_ptr<CrxFile> Parse(const Header& header, Error* error); | 55 static std::unique_ptr<CrxFile> Parse(const Header& header, Error* error); |
56 | 56 |
57 // Construct a new header for the given key and signature sizes. | 57 // Construct a new header for the given key and signature sizes. |
58 // Returns a null scoped_ptr if erroneous values of |key_size| and/or | 58 // Returns a null scoped_ptr if erroneous values of |key_size| and/or |
59 // |signature_size| are provided. |error| contains an error code with | 59 // |signature_size| are provided. |error| contains an error code with |
60 // additional information. | 60 // additional information. |
61 // Use this constructor and then .header() to obtain the Header | 61 // Use this constructor and then .header() to obtain the Header |
62 // for writing out to a CRX file. | 62 // for writing out to a CRX file. |
63 static scoped_ptr<CrxFile> Create(const uint32_t key_size, | 63 static std::unique_ptr<CrxFile> Create(const uint32_t key_size, |
64 const uint32_t signature_size, | 64 const uint32_t signature_size, |
65 Error* error); | 65 Error* error); |
66 | 66 |
67 // Returns the header structure for writing out to a CRX file. | 67 // Returns the header structure for writing out to a CRX file. |
68 const Header& header() const { return header_; } | 68 const Header& header() const { return header_; } |
69 | 69 |
70 // Checks a valid |header| to determine whether or not the CRX represents a | 70 // Checks a valid |header| to determine whether or not the CRX represents a |
71 // differential CRX. | 71 // differential CRX. |
72 static bool HeaderIsDelta(const Header& header); | 72 static bool HeaderIsDelta(const Header& header); |
73 | 73 |
74 enum class ValidateError { | 74 enum class ValidateError { |
75 NONE, | 75 NONE, |
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109 explicit CrxFile(const Header& header); | 109 explicit CrxFile(const Header& header); |
110 | 110 |
111 // Checks the |header| for validity and returns true if the values are valid. | 111 // Checks the |header| for validity and returns true if the values are valid. |
112 // If false is returned, more detailed error code is returned in |error|. | 112 // If false is returned, more detailed error code is returned in |error|. |
113 static bool HeaderIsValid(const Header& header, Error* error); | 113 static bool HeaderIsValid(const Header& header, Error* error); |
114 }; | 114 }; |
115 | 115 |
116 } // namespace crx_file | 116 } // namespace crx_file |
117 | 117 |
118 #endif // COMPONENTS_CRX_FILE_CRX_FILE_H_ | 118 #endif // COMPONENTS_CRX_FILE_CRX_FILE_H_ |
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