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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium 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 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef CORE_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_SECURITY_HANDLER_H_ | 7 #ifndef CORE_FPDFAPI_FPDF_PARSER_CPDF_SECURITY_HANDLER_H_ |
8 #define CORE_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_SECURITY_HANDLER_H_ | 8 #define CORE_FPDFAPI_FPDF_PARSER_CPDF_SECURITY_HANDLER_H_ |
9 | 9 |
10 #include "core/fpdfapi/fpdf_parser/ipdf_security_handler.h" | |
11 #include "core/fxcrt/include/fx_string.h" | 10 #include "core/fxcrt/include/fx_string.h" |
12 #include "core/fxcrt/include/fx_system.h" | 11 #include "core/fxcrt/include/fx_system.h" |
13 | 12 |
14 class CPDF_Array; | 13 #define FXCIPHER_NONE 0 |
| 14 #define FXCIPHER_RC4 1 |
| 15 #define FXCIPHER_AES 2 |
| 16 #define FXCIPHER_AES2 3 |
15 | 17 |
16 #define PDF_ENCRYPT_CONTENT 0 | 18 #define PDF_ENCRYPT_CONTENT 0 |
17 | 19 |
18 class CPDF_StandardSecurityHandler : public IPDF_SecurityHandler { | 20 class CPDF_Array; |
| 21 class CPDF_CryptoHandler; |
| 22 class CPDF_Dictionary; |
| 23 class CPDF_Parser; |
| 24 |
| 25 class CPDF_SecurityHandler { |
19 public: | 26 public: |
20 CPDF_StandardSecurityHandler(); | 27 CPDF_SecurityHandler(); |
21 ~CPDF_StandardSecurityHandler() override; | 28 ~CPDF_SecurityHandler(); |
22 | 29 |
23 // IPDF_SecurityHandler: | 30 FX_BOOL OnInit(CPDF_Parser* pParser, CPDF_Dictionary* pEncryptDict); |
24 FX_BOOL OnInit(CPDF_Parser* pParser, CPDF_Dictionary* pEncryptDict) override; | 31 uint32_t GetPermissions(); |
25 uint32_t GetPermissions() override; | 32 FX_BOOL GetCryptInfo(int& cipher, const uint8_t*& buffer, int& keylen); |
26 FX_BOOL GetCryptInfo(int& cipher, | 33 FX_BOOL IsMetadataEncrypted(); |
27 const uint8_t*& buffer, | 34 CPDF_CryptoHandler* CreateCryptoHandler(); |
28 int& keylen) override; | |
29 FX_BOOL IsMetadataEncrypted() override; | |
30 IPDF_CryptoHandler* CreateCryptoHandler() override; | |
31 | 35 |
32 void OnCreate(CPDF_Dictionary* pEncryptDict, | 36 void OnCreate(CPDF_Dictionary* pEncryptDict, |
33 CPDF_Array* pIdArray, | 37 CPDF_Array* pIdArray, |
34 const uint8_t* user_pass, | 38 const uint8_t* user_pass, |
35 uint32_t user_size, | 39 uint32_t user_size, |
36 const uint8_t* owner_pass, | 40 const uint8_t* owner_pass, |
37 uint32_t owner_size, | 41 uint32_t owner_size, |
38 uint32_t type = PDF_ENCRYPT_CONTENT); | 42 uint32_t type = PDF_ENCRYPT_CONTENT); |
39 | 43 |
40 void OnCreate(CPDF_Dictionary* pEncryptDict, | 44 void OnCreate(CPDF_Dictionary* pEncryptDict, |
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95 int m_Version; | 99 int m_Version; |
96 int m_Revision; | 100 int m_Revision; |
97 CPDF_Parser* m_pParser; | 101 CPDF_Parser* m_pParser; |
98 CPDF_Dictionary* m_pEncryptDict; | 102 CPDF_Dictionary* m_pEncryptDict; |
99 uint32_t m_Permissions; | 103 uint32_t m_Permissions; |
100 int m_Cipher; | 104 int m_Cipher; |
101 uint8_t m_EncryptKey[32]; | 105 uint8_t m_EncryptKey[32]; |
102 int m_KeyLen; | 106 int m_KeyLen; |
103 }; | 107 }; |
104 | 108 |
105 #endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_SECURITY_HANDLER_H_ | 109 #endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_SECURITY_HANDLER_H_ |
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