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| 1 // Copyright 2016 PDFium 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 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #ifndef CORE_FPDFAPI_FPDF_PARSER_CPDF_SECURITY_HANDLER_H_ | |
| 8 #define CORE_FPDFAPI_FPDF_PARSER_CPDF_SECURITY_HANDLER_H_ | |
| 9 | |
| 10 #include "core/fxcrt/fx_string.h" | |
| 11 #include "core/fxcrt/fx_system.h" | |
| 12 | |
| 13 #define FXCIPHER_NONE 0 | |
| 14 #define FXCIPHER_RC4 1 | |
| 15 #define FXCIPHER_AES 2 | |
| 16 #define FXCIPHER_AES2 3 | |
| 17 | |
| 18 #define PDF_ENCRYPT_CONTENT 0 | |
| 19 | |
| 20 class CPDF_Array; | |
| 21 class CPDF_CryptoHandler; | |
| 22 class CPDF_Dictionary; | |
| 23 class CPDF_Parser; | |
| 24 | |
| 25 class CPDF_SecurityHandler { | |
| 26 public: | |
| 27 CPDF_SecurityHandler(); | |
| 28 ~CPDF_SecurityHandler(); | |
| 29 | |
| 30 FX_BOOL OnInit(CPDF_Parser* pParser, CPDF_Dictionary* pEncryptDict); | |
| 31 uint32_t GetPermissions(); | |
| 32 FX_BOOL GetCryptInfo(int& cipher, const uint8_t*& buffer, int& keylen); | |
| 33 bool IsMetadataEncrypted() const; | |
| 34 CPDF_CryptoHandler* CreateCryptoHandler(); | |
| 35 | |
| 36 void OnCreate(CPDF_Dictionary* pEncryptDict, | |
| 37 CPDF_Array* pIdArray, | |
| 38 const uint8_t* user_pass, | |
| 39 uint32_t user_size, | |
| 40 const uint8_t* owner_pass, | |
| 41 uint32_t owner_size, | |
| 42 uint32_t type = PDF_ENCRYPT_CONTENT); | |
| 43 | |
| 44 void OnCreate(CPDF_Dictionary* pEncryptDict, | |
| 45 CPDF_Array* pIdArray, | |
| 46 const uint8_t* user_pass, | |
| 47 uint32_t user_size, | |
| 48 uint32_t type = PDF_ENCRYPT_CONTENT); | |
| 49 | |
| 50 CFX_ByteString GetUserPassword(const uint8_t* owner_pass, | |
| 51 uint32_t pass_size, | |
| 52 int32_t key_len); | |
| 53 int CheckPassword(const uint8_t* password, | |
| 54 uint32_t pass_size, | |
| 55 FX_BOOL bOwner, | |
| 56 uint8_t* key, | |
| 57 int key_len); | |
| 58 | |
| 59 private: | |
| 60 FX_BOOL LoadDict(CPDF_Dictionary* pEncryptDict); | |
| 61 FX_BOOL LoadDict(CPDF_Dictionary* pEncryptDict, | |
| 62 uint32_t type, | |
| 63 int& cipher, | |
| 64 int& key_len); | |
| 65 | |
| 66 FX_BOOL CheckUserPassword(const uint8_t* password, | |
| 67 uint32_t pass_size, | |
| 68 FX_BOOL bIgnoreEncryptMeta, | |
| 69 uint8_t* key, | |
| 70 int32_t key_len); | |
| 71 | |
| 72 FX_BOOL CheckOwnerPassword(const uint8_t* password, | |
| 73 uint32_t pass_size, | |
| 74 uint8_t* key, | |
| 75 int32_t key_len); | |
| 76 FX_BOOL AES256_CheckPassword(const uint8_t* password, | |
| 77 uint32_t size, | |
| 78 FX_BOOL bOwner, | |
| 79 uint8_t* key); | |
| 80 void AES256_SetPassword(CPDF_Dictionary* pEncryptDict, | |
| 81 const uint8_t* password, | |
| 82 uint32_t size, | |
| 83 FX_BOOL bOwner, | |
| 84 const uint8_t* key); | |
| 85 void AES256_SetPerms(CPDF_Dictionary* pEncryptDict, | |
| 86 uint32_t permission, | |
| 87 FX_BOOL bEncryptMetadata, | |
| 88 const uint8_t* key); | |
| 89 void OnCreate(CPDF_Dictionary* pEncryptDict, | |
| 90 CPDF_Array* pIdArray, | |
| 91 const uint8_t* user_pass, | |
| 92 uint32_t user_size, | |
| 93 const uint8_t* owner_pass, | |
| 94 uint32_t owner_size, | |
| 95 FX_BOOL bDefault, | |
| 96 uint32_t type); | |
| 97 FX_BOOL CheckSecurity(int32_t key_len); | |
| 98 | |
| 99 int m_Version; | |
| 100 int m_Revision; | |
| 101 CPDF_Parser* m_pParser; | |
| 102 CPDF_Dictionary* m_pEncryptDict; | |
| 103 uint32_t m_Permissions; | |
| 104 int m_Cipher; | |
| 105 uint8_t m_EncryptKey[32]; | |
| 106 int m_KeyLen; | |
| 107 bool m_bOwnerUnlocked; | |
| 108 }; | |
| 109 | |
| 110 #endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_SECURITY_HANDLER_H_ | |
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Chromium Code Reviews
Issue 2392603004:
Move core/fpdfapi/fpdf_parser to core/fpdfapi/parser (Closed)
