| // Copyright 2016 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FPDFAPI_FPDF_PARSER_IPDF_SECURITY_HANDLER_H_ |
| #define CORE_FPDFAPI_FPDF_PARSER_IPDF_SECURITY_HANDLER_H_ |
| |
| #include "core/fxcrt/include/fx_system.h" |
| |
| class CPDF_Parser; |
| class CPDF_Dictionary; |
| class IPDF_CryptoHandler; |
| |
| #define FXCIPHER_NONE 0 |
| #define FXCIPHER_RC4 1 |
| #define FXCIPHER_AES 2 |
| #define FXCIPHER_AES2 3 |
| |
| class IPDF_SecurityHandler { |
| public: |
| virtual ~IPDF_SecurityHandler(); |
| virtual FX_BOOL OnInit(CPDF_Parser* pParser, |
| CPDF_Dictionary* pEncryptDict) = 0; |
| |
| virtual uint32_t GetPermissions() = 0; |
| virtual FX_BOOL GetCryptInfo(int& cipher, |
| const uint8_t*& buffer, |
| int& keylen) = 0; |
| |
| virtual FX_BOOL IsMetadataEncrypted() = 0; |
| virtual IPDF_CryptoHandler* CreateCryptoHandler() = 0; |
| }; |
| |
| #endif // CORE_FPDFAPI_FPDF_PARSER_IPDF_SECURITY_HANDLER_H_ |