diff options
Diffstat (limited to 'core')
-rw-r--r-- | core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp | 22 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_edit/include/cpdf_creator.h | 6 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_crypto_handler.cpp (renamed from core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.cpp) | 113 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h | 67 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_parser.cpp | 12 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp (renamed from core/fpdfapi/fpdf_parser/cpdf_standard_security_handler.cpp) | 146 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_security_handler.h (renamed from core/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h) | 38 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h | 64 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp | 6 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h | 6 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/include/cpdf_parser.h | 8 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/ipdf_crypto_handler.h | 45 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/ipdf_security_handler.h | 36 |
13 files changed, 241 insertions, 328 deletions
diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp index 0bd07a1819..7570a796e4 100644 --- a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp +++ b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp @@ -9,8 +9,8 @@ #include <vector> #include "core/fpdfapi/fpdf_edit/include/cpdf_creator.h" -#include "core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h" -#include "core/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h" +#include "core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h" +#include "core/fpdfapi/fpdf_parser/cpdf_security_handler.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" @@ -20,7 +20,6 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_string.h" #include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h" -#include "core/fpdfapi/fpdf_parser/ipdf_crypto_handler.h" #include "core/fxcrt/include/fx_ext.h" #include "third_party/base/stl_util.h" @@ -479,7 +478,7 @@ class CPDF_Encryptor { public: CPDF_Encryptor(); ~CPDF_Encryptor(); - FX_BOOL Initialize(IPDF_CryptoHandler* pHandler, + FX_BOOL Initialize(CPDF_CryptoHandler* pHandler, int objnum, uint8_t* src_data, uint32_t src_size); @@ -492,7 +491,7 @@ CPDF_Encryptor::CPDF_Encryptor() { m_dwSize = 0; m_bNewBuf = FALSE; } -FX_BOOL CPDF_Encryptor::Initialize(IPDF_CryptoHandler* pHandler, +FX_BOOL CPDF_Encryptor::Initialize(CPDF_CryptoHandler* pHandler, int objnum, uint8_t* src_data, uint32_t src_size) { @@ -549,7 +548,7 @@ FX_FILESIZE CPDF_ObjectStream::End(CPDF_Creator* pCreator) { return 0; } CFX_FileBufferArchive* pFile = &pCreator->m_File; - IPDF_CryptoHandler* pHandler = pCreator->m_pCryptoHandler; + CPDF_CryptoHandler* pHandler = pCreator->m_pCryptoHandler; FX_FILESIZE ObjOffset = pCreator->m_Offset; if (!m_dwObjNum) { m_dwObjNum = ++pCreator->m_dwLastObjNum; @@ -1025,7 +1024,7 @@ int32_t CPDF_Creator::AppendObjectNumberToXRef(uint32_t objnum) { } int32_t CPDF_Creator::WriteStream(const CPDF_Object* pStream, uint32_t objnum, - IPDF_CryptoHandler* pCrypto) { + CPDF_CryptoHandler* pCrypto) { CPDF_FlateEncoder encoder; encoder.Initialize(const_cast<CPDF_Stream*>(pStream->AsStream()), pStream == m_pMetadata ? FALSE : m_bCompress); @@ -1068,7 +1067,7 @@ int32_t CPDF_Creator::WriteIndirectObj(uint32_t objnum, m_Offset += len; if (pObj->IsStream()) { - IPDF_CryptoHandler* pHandler = nullptr; + CPDF_CryptoHandler* pHandler = nullptr; pHandler = (pObj == m_pMetadata && !m_bEncryptMetadata) ? NULL : m_pCryptoHandler; if (WriteStream(pObj, objnum, pHandler) < 0) @@ -1148,7 +1147,7 @@ int32_t CPDF_Creator::WriteDirectObj(uint32_t objnum, encoder.Initialize(const_cast<CPDF_Stream*>(pObj->AsStream()), m_bCompress); CPDF_Encryptor encryptor; - IPDF_CryptoHandler* pHandler = m_pCryptoHandler; + CPDF_CryptoHandler* pHandler = m_pCryptoHandler; encryptor.Initialize(pHandler, objnum, encoder.m_pData, encoder.m_dwSize); if ((uint32_t)encoder.m_pDict->GetIntegerBy("Length") != encryptor.m_dwSize) { @@ -2008,15 +2007,16 @@ void CPDF_Creator::InitID(FX_BOOL bDefault) { m_pIDArray->Add(m_pIDArray->GetObjectAt(0)->Clone()); if (m_pEncryptDict && !pOldIDArray && m_pParser && bNewId) { if (m_pEncryptDict->GetStringBy("Filter") == "Standard") { - CPDF_StandardSecurityHandler handler; CFX_ByteString user_pass = m_pParser->GetPassword(); uint32_t flag = PDF_ENCRYPT_CONTENT; + + CPDF_SecurityHandler handler; handler.OnCreate(m_pEncryptDict, m_pIDArray, user_pass.raw_str(), user_pass.GetLength(), flag); if (m_bNewCrypto) { delete m_pCryptoHandler; } - m_pCryptoHandler = new CPDF_StandardCryptoHandler; + m_pCryptoHandler = new CPDF_CryptoHandler; m_pCryptoHandler->Init(m_pEncryptDict, &handler); m_bNewCrypto = TRUE; m_bSecurityChanged = TRUE; diff --git a/core/fpdfapi/fpdf_edit/include/cpdf_creator.h b/core/fpdfapi/fpdf_edit/include/cpdf_creator.h index d6a1c1079a..e9490a3be7 100644 --- a/core/fpdfapi/fpdf_edit/include/cpdf_creator.h +++ b/core/fpdfapi/fpdf_edit/include/cpdf_creator.h @@ -10,12 +10,12 @@ #include "core/fxcrt/include/fx_basic.h" class CPDF_Array; +class CPDF_CryptoHandler; class CPDF_Dictionary; class CPDF_Document; class CPDF_Object; class CPDF_Parser; class CPDF_XRefStream; -class IPDF_CryptoHandler; #define FPDFCREATE_INCREMENTAL 1 #define FPDFCREATE_NO_ORIGINAL 2 @@ -69,7 +69,7 @@ class CPDF_Creator { int32_t WriteStream(const CPDF_Object* pStream, uint32_t objnum, - IPDF_CryptoHandler* pCrypto); + CPDF_CryptoHandler* pCrypto); CPDF_Document* m_pDocument; CPDF_Parser* m_pParser; @@ -79,7 +79,7 @@ class CPDF_Creator { uint32_t m_dwEnryptObjNum; FX_BOOL m_bEncryptCloned; FX_BOOL m_bStandardSecurity; - IPDF_CryptoHandler* m_pCryptoHandler; + CPDF_CryptoHandler* m_pCryptoHandler; FX_BOOL m_bNewCrypto; FX_BOOL m_bEncryptMetadata; CPDF_Object* m_pMetadata; diff --git a/core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.cpp b/core/fpdfapi/fpdf_parser/cpdf_crypto_handler.cpp index 6bfe1b60b3..2d845d856a 100644 --- a/core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.cpp +++ b/core/fpdfapi/fpdf_parser/cpdf_crypto_handler.cpp @@ -4,34 +4,22 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -#include "core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h" +#include "core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h" #include <time.h> #include "core/fdrm/crypto/include/fx_crypt.h" +#include "core/fpdfapi/fpdf_parser/cpdf_security_handler.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_parser.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h" -#include "core/fpdfapi/fpdf_parser/ipdf_security_handler.h" -IPDF_CryptoHandler::~IPDF_CryptoHandler() {} - -void IPDF_CryptoHandler::Decrypt(uint32_t objnum, - uint32_t gennum, - CFX_ByteString& str) { - CFX_BinaryBuf dest_buf; - void* context = DecryptStart(objnum, gennum); - DecryptStream(context, str.raw_str(), str.GetLength(), dest_buf); - DecryptFinish(context, dest_buf); - str = CFX_ByteString(dest_buf.GetBuffer(), dest_buf.GetSize()); -} - -void CPDF_StandardCryptoHandler::CryptBlock(FX_BOOL bEncrypt, - uint32_t objnum, - uint32_t gennum, - const uint8_t* src_buf, - uint32_t src_size, - uint8_t* dest_buf, - uint32_t& dest_size) { +void CPDF_CryptoHandler::CryptBlock(FX_BOOL bEncrypt, + uint32_t objnum, + uint32_t gennum, + const uint8_t* src_buf, + uint32_t src_size, + uint8_t* dest_buf, + uint32_t& dest_size) { if (m_Cipher == FXCIPHER_NONE) { FXSYS_memcpy(dest_buf, src_buf, src_size); return; @@ -99,9 +87,9 @@ struct AESCryptContext { uint32_t m_BlockOffset; }; -void* CPDF_StandardCryptoHandler::CryptStart(uint32_t objnum, - uint32_t gennum, - FX_BOOL bEncrypt) { +void* CPDF_CryptoHandler::CryptStart(uint32_t objnum, + uint32_t gennum, + FX_BOOL bEncrypt) { if (m_Cipher == FXCIPHER_NONE) { return this; } @@ -149,11 +137,11 @@ void* CPDF_StandardCryptoHandler::CryptStart(uint32_t objnum, CRYPT_ArcFourSetup(pContext, realkey, realkeylen); return pContext; } -FX_BOOL CPDF_StandardCryptoHandler::CryptStream(void* context, - const uint8_t* src_buf, - uint32_t src_size, - CFX_BinaryBuf& dest_buf, - FX_BOOL bEncrypt) { +FX_BOOL CPDF_CryptoHandler::CryptStream(void* context, + const uint8_t* src_buf, + uint32_t src_size, + CFX_BinaryBuf& dest_buf, + FX_BOOL bEncrypt) { if (!context) { return FALSE; } @@ -208,9 +196,9 @@ FX_BOOL CPDF_StandardCryptoHandler::CryptStream(void* context, } return TRUE; } -FX_BOOL CPDF_StandardCryptoHandler::CryptFinish(void* context, - CFX_BinaryBuf& dest_buf, - FX_BOOL bEncrypt) { +FX_BOOL CPDF_CryptoHandler::CryptFinish(void* context, + CFX_BinaryBuf& dest_buf, + FX_BOOL bEncrypt) { if (!context) { return FALSE; } @@ -244,17 +232,26 @@ FX_BOOL CPDF_StandardCryptoHandler::CryptFinish(void* context, FX_Free(pContext); return TRUE; } -void* CPDF_StandardCryptoHandler::DecryptStart(uint32_t objnum, - uint32_t gennum) { + +void CPDF_CryptoHandler::Decrypt(uint32_t objnum, + uint32_t gennum, + CFX_ByteString& str) { + CFX_BinaryBuf dest_buf; + void* context = DecryptStart(objnum, gennum); + DecryptStream(context, str.raw_str(), str.GetLength(), dest_buf); + DecryptFinish(context, dest_buf); + str = CFX_ByteString(dest_buf.GetBuffer(), dest_buf.GetSize()); +} + +void* CPDF_CryptoHandler::DecryptStart(uint32_t objnum, uint32_t gennum) { return CryptStart(objnum, gennum, FALSE); } -uint32_t CPDF_StandardCryptoHandler::DecryptGetSize(uint32_t src_size) { +uint32_t CPDF_CryptoHandler::DecryptGetSize(uint32_t src_size) { return m_Cipher == FXCIPHER_AES ? src_size - 16 : src_size; } -FX_BOOL CPDF_StandardCryptoHandler::Init( - CPDF_Dictionary* pEncryptDict, - IPDF_SecurityHandler* pSecurityHandler) { +FX_BOOL CPDF_CryptoHandler::Init(CPDF_Dictionary* pEncryptDict, + CPDF_SecurityHandler* pSecurityHandler) { const uint8_t* key; if (!pSecurityHandler->GetCryptInfo(m_Cipher, key, m_KeyLen)) { return FALSE; @@ -271,9 +268,7 @@ FX_BOOL CPDF_StandardCryptoHandler::Init( return TRUE; } -FX_BOOL CPDF_StandardCryptoHandler::Init(int cipher, - const uint8_t* key, - int keylen) { +FX_BOOL CPDF_CryptoHandler::Init(int cipher, const uint8_t* key, int keylen) { if (cipher == FXCIPHER_AES) { switch (keylen) { case 16: @@ -304,39 +299,39 @@ FX_BOOL CPDF_StandardCryptoHandler::Init(int cipher, } return TRUE; } -FX_BOOL CPDF_StandardCryptoHandler::DecryptStream(void* context, - const uint8_t* src_buf, - uint32_t src_size, - CFX_BinaryBuf& dest_buf) { +FX_BOOL CPDF_CryptoHandler::DecryptStream(void* context, + const uint8_t* src_buf, + uint32_t src_size, + CFX_BinaryBuf& dest_buf) { return CryptStream(context, src_buf, src_size, dest_buf, FALSE); } -FX_BOOL CPDF_StandardCryptoHandler::DecryptFinish(void* context, - CFX_BinaryBuf& dest_buf) { +FX_BOOL CPDF_CryptoHandler::DecryptFinish(void* context, + CFX_BinaryBuf& dest_buf) { return CryptFinish(context, dest_buf, FALSE); } -uint32_t CPDF_StandardCryptoHandler::EncryptGetSize(uint32_t objnum, - uint32_t version, - const uint8_t* src_buf, - uint32_t src_size) { +uint32_t CPDF_CryptoHandler::EncryptGetSize(uint32_t objnum, + uint32_t version, + const uint8_t* src_buf, + uint32_t src_size) { if (m_Cipher == FXCIPHER_AES) { return src_size + 32; } return src_size; } -FX_BOOL CPDF_StandardCryptoHandler::EncryptContent(uint32_t objnum, - uint32_t gennum, - const uint8_t* src_buf, - uint32_t src_size, - uint8_t* dest_buf, - uint32_t& dest_size) { +FX_BOOL CPDF_CryptoHandler::EncryptContent(uint32_t objnum, + uint32_t gennum, + const uint8_t* src_buf, + uint32_t src_size, + uint8_t* dest_buf, + uint32_t& dest_size) { CryptBlock(TRUE, objnum, gennum, src_buf, src_size, dest_buf, dest_size); return TRUE; } -CPDF_StandardCryptoHandler::CPDF_StandardCryptoHandler() { +CPDF_CryptoHandler::CPDF_CryptoHandler() { m_pAESContext = NULL; m_Cipher = FXCIPHER_NONE; m_KeyLen = 0; } -CPDF_StandardCryptoHandler::~CPDF_StandardCryptoHandler() { +CPDF_CryptoHandler::~CPDF_CryptoHandler() { FX_Free(m_pAESContext); } diff --git a/core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h b/core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h new file mode 100644 index 0000000000..3edc47b7b0 --- /dev/null +++ b/core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h @@ -0,0 +1,67 @@ +// 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_CPDF_CRYPTO_HANDLER_H_ +#define CORE_FPDFAPI_FPDF_PARSER_CPDF_CRYPTO_HANDLER_H_ + +#include "core/fxcrt/include/fx_basic.h" +#include "core/fxcrt/include/fx_string.h" +#include "core/fxcrt/include/fx_system.h" + +class CPDF_Dictionary; +class CPDF_SecurityHandler; + +class CPDF_CryptoHandler { + public: + CPDF_CryptoHandler(); + ~CPDF_CryptoHandler(); + + FX_BOOL Init(CPDF_Dictionary* pEncryptDict, + CPDF_SecurityHandler* pSecurityHandler); + uint32_t DecryptGetSize(uint32_t src_size); + void* DecryptStart(uint32_t objnum, uint32_t gennum); + void Decrypt(uint32_t objnum, uint32_t gennum, CFX_ByteString& str); + FX_BOOL DecryptStream(void* context, + const uint8_t* src_buf, + uint32_t src_size, + CFX_BinaryBuf& dest_buf); + FX_BOOL DecryptFinish(void* context, CFX_BinaryBuf& dest_buf); + uint32_t EncryptGetSize(uint32_t objnum, + uint32_t version, + const uint8_t* src_buf, + uint32_t src_size); + FX_BOOL EncryptContent(uint32_t objnum, + uint32_t version, + const uint8_t* src_buf, + uint32_t src_size, + uint8_t* dest_buf, + uint32_t& dest_size); + + FX_BOOL Init(int cipher, const uint8_t* key, int keylen); + + protected: + void CryptBlock(FX_BOOL bEncrypt, + uint32_t objnum, + uint32_t gennum, + const uint8_t* src_buf, + uint32_t src_size, + uint8_t* dest_buf, + uint32_t& dest_size); + void* CryptStart(uint32_t objnum, uint32_t gennum, FX_BOOL bEncrypt); + FX_BOOL CryptStream(void* context, + const uint8_t* src_buf, + uint32_t src_size, + CFX_BinaryBuf& dest_buf, + FX_BOOL bEncrypt); + FX_BOOL CryptFinish(void* context, CFX_BinaryBuf& dest_buf, FX_BOOL bEncrypt); + + uint8_t m_EncryptKey[32]; + int m_KeyLen; + int m_Cipher; + uint8_t* m_pAESContext; +}; + +#endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_CRYPTO_HANDLER_H_ diff --git a/core/fpdfapi/fpdf_parser/cpdf_parser.cpp b/core/fpdfapi/fpdf_parser/cpdf_parser.cpp index 7fed6a380c..1ec912ebee 100644 --- a/core/fpdfapi/fpdf_parser/cpdf_parser.cpp +++ b/core/fpdfapi/fpdf_parser/cpdf_parser.cpp @@ -8,7 +8,8 @@ #include <vector> -#include "core/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h" +#include "core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h" +#include "core/fpdfapi/fpdf_parser/cpdf_security_handler.h" #include "core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h" #include "core/fpdfapi/fpdf_parser/fpdf_parser_utility.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" @@ -18,7 +19,6 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_reference.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" -#include "core/fpdfapi/fpdf_parser/ipdf_crypto_handler.h" #include "core/fxcrt/include/fx_ext.h" #include "core/fxcrt/include/fx_safe_types.h" #include "third_party/base/stl_util.h" @@ -101,7 +101,7 @@ void CPDF_Parser::SetEncryptDictionary(CPDF_Dictionary* pDict) { m_pEncryptDict = pDict; } -IPDF_CryptoHandler* CPDF_Parser::GetCryptoHandler() { +CPDF_CryptoHandler* CPDF_Parser::GetCryptoHandler() { return m_pSyntax->m_pCryptoHandler.get(); } @@ -275,10 +275,10 @@ CPDF_Parser::Error CPDF_Parser::SetEncryptHandler() { if (m_pEncryptDict) { CFX_ByteString filter = m_pEncryptDict->GetStringBy("Filter"); - std::unique_ptr<IPDF_SecurityHandler> pSecurityHandler; + std::unique_ptr<CPDF_SecurityHandler> pSecurityHandler; Error err = HANDLER_ERROR; if (filter == "Standard") { - pSecurityHandler.reset(new CPDF_StandardSecurityHandler); + pSecurityHandler.reset(new CPDF_SecurityHandler); err = PASSWORD_ERROR; } if (!pSecurityHandler) @@ -288,7 +288,7 @@ CPDF_Parser::Error CPDF_Parser::SetEncryptHandler() { return err; m_pSecurityHandler = std::move(pSecurityHandler); - std::unique_ptr<IPDF_CryptoHandler> pCryptoHandler( + std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler( m_pSecurityHandler->CreateCryptoHandler()); if (!pCryptoHandler->Init(m_pEncryptDict, m_pSecurityHandler.get())) return HANDLER_ERROR; diff --git a/core/fpdfapi/fpdf_parser/cpdf_standard_security_handler.cpp b/core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp index 627ff5263f..38099e0328 100644 --- a/core/fpdfapi/fpdf_parser/cpdf_standard_security_handler.cpp +++ b/core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp @@ -4,12 +4,12 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -#include "core/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h" +#include "core/fpdfapi/fpdf_parser/cpdf_security_handler.h" #include <time.h> #include "core/fdrm/crypto/include/fx_crypt.h" -#include "core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h" +#include "core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" @@ -67,9 +67,7 @@ void CalcEncryptKey(CPDF_Dictionary* pEncrypt, } // namespace -IPDF_SecurityHandler::~IPDF_SecurityHandler() {} - -CPDF_StandardSecurityHandler::CPDF_StandardSecurityHandler() { +CPDF_SecurityHandler::CPDF_SecurityHandler() { m_Version = 0; m_Revision = 0; m_pParser = NULL; @@ -79,14 +77,14 @@ CPDF_StandardSecurityHandler::CPDF_StandardSecurityHandler() { m_KeyLen = 0; } -CPDF_StandardSecurityHandler::~CPDF_StandardSecurityHandler() {} +CPDF_SecurityHandler::~CPDF_SecurityHandler() {} -IPDF_CryptoHandler* CPDF_StandardSecurityHandler::CreateCryptoHandler() { - return new CPDF_StandardCryptoHandler; +CPDF_CryptoHandler* CPDF_SecurityHandler::CreateCryptoHandler() { + return new CPDF_CryptoHandler; } -FX_BOOL CPDF_StandardSecurityHandler::OnInit(CPDF_Parser* pParser, - CPDF_Dictionary* pEncryptDict) { +FX_BOOL CPDF_SecurityHandler::OnInit(CPDF_Parser* pParser, + CPDF_Dictionary* pEncryptDict) { m_pParser = pParser; if (!LoadDict(pEncryptDict)) { return FALSE; @@ -96,7 +94,7 @@ FX_BOOL CPDF_StandardSecurityHandler::OnInit(CPDF_Parser* pParser, } return CheckSecurity(m_KeyLen); } -FX_BOOL CPDF_StandardSecurityHandler::CheckSecurity(int32_t key_len) { +FX_BOOL CPDF_SecurityHandler::CheckSecurity(int32_t key_len) { CFX_ByteString password = m_pParser->GetPassword(); if (CheckPassword(password.raw_str(), password.GetLength(), TRUE, m_EncryptKey, key_len)) { @@ -111,7 +109,7 @@ FX_BOOL CPDF_StandardSecurityHandler::CheckSecurity(int32_t key_len) { return CheckPassword(password.raw_str(), password.GetLength(), FALSE, m_EncryptKey, key_len); } -uint32_t CPDF_StandardSecurityHandler::GetPermissions() { +uint32_t CPDF_SecurityHandler::GetPermissions() { return m_Permissions; } static FX_BOOL _LoadCryptInfo(CPDF_Dictionary* pEncryptDict, @@ -160,7 +158,7 @@ static FX_BOOL _LoadCryptInfo(CPDF_Dictionary* pEncryptDict, return TRUE; } -FX_BOOL CPDF_StandardSecurityHandler::LoadDict(CPDF_Dictionary* pEncryptDict) { +FX_BOOL CPDF_SecurityHandler::LoadDict(CPDF_Dictionary* pEncryptDict) { m_pEncryptDict = pEncryptDict; m_Version = pEncryptDict->GetIntegerBy("V"); m_Revision = pEncryptDict->GetIntegerBy("R"); @@ -180,10 +178,10 @@ FX_BOOL CPDF_StandardSecurityHandler::LoadDict(CPDF_Dictionary* pEncryptDict) { return TRUE; } -FX_BOOL CPDF_StandardSecurityHandler::LoadDict(CPDF_Dictionary* pEncryptDict, - uint32_t type, - int& cipher, - int& key_len) { +FX_BOOL CPDF_SecurityHandler::LoadDict(CPDF_Dictionary* pEncryptDict, + uint32_t type, + int& cipher, + int& key_len) { m_pEncryptDict = pEncryptDict; m_Version = pEncryptDict->GetIntegerBy("V"); m_Revision = pEncryptDict->GetIntegerBy("R"); @@ -204,9 +202,9 @@ FX_BOOL CPDF_StandardSecurityHandler::LoadDict(CPDF_Dictionary* pEncryptDict, return TRUE; } -FX_BOOL CPDF_StandardSecurityHandler::GetCryptInfo(int& cipher, - const uint8_t*& buffer, - int& keylen) { +FX_BOOL CPDF_SecurityHandler::GetCryptInfo(int& cipher, + const uint8_t*& buffer, + int& keylen) { cipher = m_Cipher; buffer = m_EncryptKey; keylen = m_KeyLen; @@ -305,11 +303,10 @@ void Revision6_Hash(const uint8_t* password, FXSYS_memcpy(hash, input, 32); } } -FX_BOOL CPDF_StandardSecurityHandler::AES256_CheckPassword( - const uint8_t* password, - uint32_t size, - FX_BOOL bOwner, - uint8_t* key) { +FX_BOOL CPDF_SecurityHandler::AES256_CheckPassword(const uint8_t* password, + uint32_t size, + FX_BOOL bOwner, + uint8_t* key) { CFX_ByteString okey = m_pEncryptDict ? m_pEncryptDict->GetStringBy("O") : CFX_ByteString(); if (okey.GetLength() < 48) { @@ -394,11 +391,11 @@ FX_BOOL CPDF_StandardSecurityHandler::AES256_CheckPassword( return TRUE; } -int CPDF_StandardSecurityHandler::CheckPassword(const uint8_t* password, - uint32_t size, - FX_BOOL bOwner, - uint8_t* key, - int32_t key_len) { +int CPDF_SecurityHandler::CheckPassword(const uint8_t* password, + uint32_t size, + FX_BOOL bOwner, + uint8_t* key, + int32_t key_len) { if (m_Revision >= 5) { return AES256_CheckPassword(password, size, bOwner, key); } @@ -412,12 +409,11 @@ int CPDF_StandardSecurityHandler::CheckPassword(const uint8_t* password, return CheckUserPassword(password, size, FALSE, key, key_len) || CheckUserPassword(password, size, TRUE, key, key_len); } -FX_BOOL CPDF_StandardSecurityHandler::CheckUserPassword( - const uint8_t* password, - uint32_t pass_size, - FX_BOOL bIgnoreEncryptMeta, - uint8_t* key, - int32_t key_len) { +FX_BOOL CPDF_SecurityHandler::CheckUserPassword(const uint8_t* password, + uint32_t pass_size, + FX_BOOL bIgnoreEncryptMeta, + uint8_t* key, + int32_t key_len) { CalcEncryptKey(m_pEncryptDict, password, pass_size, key, key_len, bIgnoreEncryptMeta, m_pParser->GetIDArray()); CFX_ByteString ukey = @@ -460,10 +456,9 @@ FX_BOOL CPDF_StandardSecurityHandler::CheckUserPassword( } return FALSE; } -CFX_ByteString CPDF_StandardSecurityHandler::GetUserPassword( - const uint8_t* owner_pass, - uint32_t pass_size, - int32_t key_len) { +CFX_ByteString CPDF_SecurityHandler::GetUserPassword(const uint8_t* owner_pass, + uint32_t pass_size, + int32_t key_len) { CFX_ByteString okey = m_pEncryptDict->GetStringBy("O"); uint8_t passcode[32]; uint32_t i; @@ -509,11 +504,10 @@ CFX_ByteString CPDF_StandardSecurityHandler::GetUserPassword( } return CFX_ByteString(okeybuf, len); } -FX_BOOL CPDF_StandardSecurityHandler::CheckOwnerPassword( - const uint8_t* password, - uint32_t pass_size, - uint8_t* key, - int32_t key_len) { +FX_BOOL CPDF_SecurityHandler::CheckOwnerPassword(const uint8_t* password, + uint32_t pass_size, + uint8_t* key, + int32_t key_len) { CFX_ByteString user_pass = GetUserPassword(password, pass_size, key_len); if (CheckUserPassword(user_pass.raw_str(), user_pass.GetLength(), FALSE, key, key_len)) { @@ -522,18 +516,18 @@ FX_BOOL CPDF_StandardSecurityHandler::CheckOwnerPassword( return CheckUserPassword(user_pass.raw_str(), user_pass.GetLength(), TRUE, key, key_len); } -FX_BOOL CPDF_StandardSecurityHandler::IsMetadataEncrypted() { +FX_BOOL CPDF_SecurityHandler::IsMetadataEncrypted() { return m_pEncryptDict->GetBooleanBy("EncryptMetadata", TRUE); } -void CPDF_StandardSecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict, - CPDF_Array* pIdArray, - const uint8_t* user_pass, - uint32_t user_size, - const uint8_t* owner_pass, - uint32_t owner_size, - FX_BOOL bDefault, - uint32_t type) { +void CPDF_SecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict, + CPDF_Array* pIdArray, + const uint8_t* user_pass, + uint32_t user_size, + const uint8_t* owner_pass, + uint32_t owner_size, + FX_BOOL bDefault, + uint32_t type) { int cipher = 0, key_len = 0; if (!LoadDict(pEncryptDict, type, cipher, key_len)) { return; @@ -620,29 +614,28 @@ void CPDF_StandardSecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict, pEncryptDict->SetAtString("U", CFX_ByteString(digest, 32)); } } -void CPDF_StandardSecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict, - CPDF_Array* pIdArray, - const uint8_t* user_pass, - uint32_t user_size, - const uint8_t* owner_pass, - uint32_t owner_size, - uint32_t type) { +void CPDF_SecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict, + CPDF_Array* pIdArray, + const uint8_t* user_pass, + uint32_t user_size, + const uint8_t* owner_pass, + uint32_t owner_size, + uint32_t type) { OnCreate(pEncryptDict, pIdArray, user_pass, user_size, owner_pass, owner_size, TRUE, type); } -void CPDF_StandardSecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict, - CPDF_Array* pIdArray, - const uint8_t* user_pass, - uint32_t user_size, - uint32_t type) { +void CPDF_SecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict, + CPDF_Array* pIdArray, + const uint8_t* user_pass, + uint32_t user_size, + uint32_t type) { OnCreate(pEncryptDict, pIdArray, user_pass, user_size, NULL, 0, FALSE, type); } -void CPDF_StandardSecurityHandler::AES256_SetPassword( - CPDF_Dictionary* pEncryptDict, - const uint8_t* password, - uint32_t size, - FX_BOOL bOwner, - const uint8_t* key) { +void CPDF_SecurityHandler::AES256_SetPassword(CPDF_Dictionary* pEncryptDict, + const uint8_t* password, + uint32_t size, + FX_BOOL bOwner, + const uint8_t* key) { uint8_t sha[128]; CRYPT_SHA1Start(sha); CRYPT_SHA1Update(sha, key, 32); @@ -686,11 +679,10 @@ void CPDF_StandardSecurityHandler::AES256_SetPassword( FX_Free(aes); pEncryptDict->SetAtString(bOwner ? "OE" : "UE", CFX_ByteString(digest1, 32)); } -void CPDF_StandardSecurityHandler::AES256_SetPerms( - CPDF_Dictionary* pEncryptDict, - uint32_t permissions, - FX_BOOL bEncryptMetadata, - const uint8_t* key) { +void CPDF_SecurityHandler::AES256_SetPerms(CPDF_Dictionary* pEncryptDict, + uint32_t permissions, + FX_BOOL bEncryptMetadata, + const uint8_t* key) { uint8_t buf[16]; buf[0] = (uint8_t)permissions; buf[1] = (uint8_t)(permissions >> 8); diff --git a/core/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h b/core/fpdfapi/fpdf_parser/cpdf_security_handler.h index dfbf6a34f9..645c97698a 100644 --- a/core/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h +++ b/core/fpdfapi/fpdf_parser/cpdf_security_handler.h @@ -4,30 +4,34 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -#ifndef CORE_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_SECURITY_HANDLER_H_ -#define CORE_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_SECURITY_HANDLER_H_ +#ifndef CORE_FPDFAPI_FPDF_PARSER_CPDF_SECURITY_HANDLER_H_ +#define CORE_FPDFAPI_FPDF_PARSER_CPDF_SECURITY_HANDLER_H_ -#include "core/fpdfapi/fpdf_parser/ipdf_security_handler.h" #include "core/fxcrt/include/fx_string.h" #include "core/fxcrt/include/fx_system.h" -class CPDF_Array; +#define FXCIPHER_NONE 0 +#define FXCIPHER_RC4 1 +#define FXCIPHER_AES 2 +#define FXCIPHER_AES2 3 #define PDF_ENCRYPT_CONTENT 0 -class CPDF_StandardSecurityHandler : public IPDF_SecurityHandler { +class CPDF_Array; +class CPDF_CryptoHandler; +class CPDF_Dictionary; +class CPDF_Parser; + +class CPDF_SecurityHandler { public: - CPDF_StandardSecurityHandler(); - ~CPDF_StandardSecurityHandler() override; - - // IPDF_SecurityHandler: - FX_BOOL OnInit(CPDF_Parser* pParser, CPDF_Dictionary* pEncryptDict) override; - uint32_t GetPermissions() override; - FX_BOOL GetCryptInfo(int& cipher, - const uint8_t*& buffer, - int& keylen) override; - FX_BOOL IsMetadataEncrypted() override; - IPDF_CryptoHandler* CreateCryptoHandler() override; + CPDF_SecurityHandler(); + ~CPDF_SecurityHandler(); + + FX_BOOL OnInit(CPDF_Parser* pParser, CPDF_Dictionary* pEncryptDict); + uint32_t GetPermissions(); + FX_BOOL GetCryptInfo(int& cipher, const uint8_t*& buffer, int& keylen); + FX_BOOL IsMetadataEncrypted(); + CPDF_CryptoHandler* CreateCryptoHandler(); void OnCreate(CPDF_Dictionary* pEncryptDict, CPDF_Array* pIdArray, @@ -102,4 +106,4 @@ class CPDF_StandardSecurityHandler : public IPDF_SecurityHandler { int m_KeyLen; }; -#endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_SECURITY_HANDLER_H_ +#endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_SECURITY_HANDLER_H_ diff --git a/core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h b/core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h deleted file mode 100644 index 689d44b81b..0000000000 --- a/core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h +++ /dev/null @@ -1,64 +0,0 @@ -// 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_CPDF_STANDARD_CRYPTO_HANDLER_H_ -#define CORE_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_CRYPTO_HANDLER_H_ - -#include "core/fpdfapi/fpdf_parser/ipdf_crypto_handler.h" - -class CPDF_StandardCryptoHandler : public IPDF_CryptoHandler { - public: - CPDF_StandardCryptoHandler(); - ~CPDF_StandardCryptoHandler() override; - - // IPDF_CryptoHandler - FX_BOOL Init(CPDF_Dictionary* pEncryptDict, - IPDF_SecurityHandler* pSecurityHandler) override; - uint32_t DecryptGetSize(uint32_t src_size) override; - void* DecryptStart(uint32_t objnum, uint32_t gennum) override; - FX_BOOL DecryptStream(void* context, - const uint8_t* src_buf, - uint32_t src_size, - CFX_BinaryBuf& dest_buf) override; - FX_BOOL DecryptFinish(void* context, CFX_BinaryBuf& dest_buf) override; - uint32_t EncryptGetSize(uint32_t objnum, - uint32_t version, - const uint8_t* src_buf, - uint32_t src_size) override; - FX_BOOL EncryptContent(uint32_t objnum, - uint32_t version, - const uint8_t* src_buf, - uint32_t src_size, - uint8_t* dest_buf, - uint32_t& dest_size) override; - - FX_BOOL Init(int cipher, const uint8_t* key, int keylen); - - protected: - virtual void CryptBlock(FX_BOOL bEncrypt, - uint32_t objnum, - uint32_t gennum, - const uint8_t* src_buf, - uint32_t src_size, - uint8_t* dest_buf, - uint32_t& dest_size); - virtual void* CryptStart(uint32_t objnum, uint32_t gennum, FX_BOOL bEncrypt); - virtual FX_BOOL CryptStream(void* context, - const uint8_t* src_buf, - uint32_t src_size, - CFX_BinaryBuf& dest_buf, - FX_BOOL bEncrypt); - virtual FX_BOOL CryptFinish(void* context, - CFX_BinaryBuf& dest_buf, - FX_BOOL bEncrypt); - - uint8_t m_EncryptKey[32]; - int m_KeyLen; - int m_Cipher; - uint8_t* m_pAESContext; -}; - -#endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_CRYPTO_HANDLER_H_ diff --git a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp index 889b58e928..5e1c05b2a1 100644 --- a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp +++ b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp @@ -9,6 +9,7 @@ #include <vector> #include "core/fpdfapi/fpdf_parser/cpdf_boolean.h" +#include "core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h" #include "core/fpdfapi/fpdf_parser/cpdf_null.h" #include "core/fpdfapi/fpdf_parser/fpdf_parser_utility.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" @@ -19,7 +20,6 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_string.h" #include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h" -#include "core/fpdfapi/fpdf_parser/ipdf_crypto_handler.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" #include "core/fxcrt/include/fx_ext.h" #include "third_party/base/numerics/safe_math.h" @@ -646,7 +646,7 @@ CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict, const CFX_ByteStringC kEndStreamStr("endstream"); const CFX_ByteStringC kEndObjStr("endobj"); - IPDF_CryptoHandler* pCryptoHandler = + CPDF_CryptoHandler* pCryptoHandler = objnum == (uint32_t)m_MetadataObjnum ? nullptr : m_pCryptoHandler.get(); if (!pCryptoHandler) { FX_BOOL bSearchForKeyword = TRUE; @@ -985,6 +985,6 @@ FX_FILESIZE CPDF_SyntaxParser::FindTag(const CFX_ByteStringC& tag, } void CPDF_SyntaxParser::SetEncrypt( - std::unique_ptr<IPDF_CryptoHandler> pCryptoHandler) { + std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler) { m_pCryptoHandler = std::move(pCryptoHandler); } diff --git a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h index 04fe6f4fec..63992a85ab 100644 --- a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h +++ b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h @@ -11,12 +11,12 @@ #include "core/fxcrt/include/fx_basic.h" +class CPDF_CryptoHandler; class CPDF_Dictionary; class CPDF_IndirectObjectHolder; class CPDF_Object; class CPDF_Stream; class IFX_FileRead; -class IPDF_CryptoHandler; class CPDF_SyntaxParser { public: @@ -49,7 +49,7 @@ class CPDF_SyntaxParser { FX_FILESIZE limit); FX_FILESIZE FindTag(const CFX_ByteStringC& tag, FX_FILESIZE limit); - void SetEncrypt(std::unique_ptr<IPDF_CryptoHandler> pCryptoHandler); + void SetEncrypt(std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler); FX_BOOL ReadBlock(uint8_t* pBuf, uint32_t size); FX_BOOL GetCharAt(FX_FILESIZE pos, uint8_t& ch); @@ -88,7 +88,7 @@ class CPDF_SyntaxParser { uint8_t* m_pFileBuf; uint32_t m_BufSize; FX_FILESIZE m_BufOffset; - std::unique_ptr<IPDF_CryptoHandler> m_pCryptoHandler; + std::unique_ptr<CPDF_CryptoHandler> m_pCryptoHandler; uint8_t m_WordBuffer[257]; uint32_t m_WordSize; }; diff --git a/core/fpdfapi/fpdf_parser/include/cpdf_parser.h b/core/fpdfapi/fpdf_parser/include/cpdf_parser.h index 45aca8f21a..5331ccafb1 100644 --- a/core/fpdfapi/fpdf_parser/include/cpdf_parser.h +++ b/core/fpdfapi/fpdf_parser/include/cpdf_parser.h @@ -14,15 +14,15 @@ #include "core/fxcrt/include/fx_basic.h" class CPDF_Array; +class CPDF_CryptoHandler; class CPDF_Dictionary; class CPDF_Document; class CPDF_IndirectObjectHolder; class CPDF_Object; +class CPDF_SecurityHandler; class CPDF_StreamAcc; class CPDF_SyntaxParser; class IFX_FileRead; -class IPDF_CryptoHandler; -class IPDF_SecurityHandler; class CPDF_Parser { public: @@ -63,7 +63,7 @@ class CPDF_Parser { bool IsVersionUpdated() const { return m_bVersionUpdated; } bool IsObjectFreeOrNull(uint32_t objnum) const; FX_BOOL IsFormStream(uint32_t objnum, FX_BOOL& bForm); - IPDF_CryptoHandler* GetCryptoHandler(); + CPDF_CryptoHandler* GetCryptoHandler(); IFX_FileRead* GetFileAccess() const; FX_FILESIZE GetObjectOffset(uint32_t objnum) const; @@ -123,7 +123,7 @@ class CPDF_Parser { CPDF_Dictionary* m_pEncryptDict; FX_FILESIZE m_LastXRefOffset; FX_BOOL m_bXRefStream; - std::unique_ptr<IPDF_SecurityHandler> m_pSecurityHandler; + std::unique_ptr<CPDF_SecurityHandler> m_pSecurityHandler; CFX_ByteString m_bsRecipient; CFX_ByteString m_FilePath; CFX_ByteString m_Password; diff --git a/core/fpdfapi/fpdf_parser/ipdf_crypto_handler.h b/core/fpdfapi/fpdf_parser/ipdf_crypto_handler.h deleted file mode 100644 index ea45a6b9cc..0000000000 --- a/core/fpdfapi/fpdf_parser/ipdf_crypto_handler.h +++ /dev/null @@ -1,45 +0,0 @@ -// 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_CRYPTO_HANDLER_H_ -#define CORE_FPDFAPI_FPDF_PARSER_IPDF_CRYPTO_HANDLER_H_ - -#include "core/fxcrt/include/fx_basic.h" - -class CPDF_Dictionary; -class IPDF_SecurityHandler; - -class IPDF_CryptoHandler { - public: - virtual ~IPDF_CryptoHandler(); - - virtual FX_BOOL Init(CPDF_Dictionary* pEncryptDict, - IPDF_SecurityHandler* pSecurityHandler) = 0; - - virtual uint32_t DecryptGetSize(uint32_t src_size) = 0; - virtual void* DecryptStart(uint32_t objnum, uint32_t gennum) = 0; - virtual FX_BOOL DecryptStream(void* context, - const uint8_t* src_buf, - uint32_t src_size, - CFX_BinaryBuf& dest_buf) = 0; - - virtual FX_BOOL DecryptFinish(void* context, CFX_BinaryBuf& dest_buf) = 0; - virtual uint32_t EncryptGetSize(uint32_t objnum, - uint32_t version, - const uint8_t* src_buf, - uint32_t src_size) = 0; - - virtual FX_BOOL EncryptContent(uint32_t objnum, - uint32_t version, - const uint8_t* src_buf, - uint32_t src_size, - uint8_t* dest_buf, - uint32_t& dest_size) = 0; - - void Decrypt(uint32_t objnum, uint32_t version, CFX_ByteString& str); -}; - -#endif // CORE_FPDFAPI_FPDF_PARSER_IPDF_CRYPTO_HANDLER_H_ diff --git a/core/fpdfapi/fpdf_parser/ipdf_security_handler.h b/core/fpdfapi/fpdf_parser/ipdf_security_handler.h deleted file mode 100644 index e7eb822a83..0000000000 --- a/core/fpdfapi/fpdf_parser/ipdf_security_handler.h +++ /dev/null @@ -1,36 +0,0 @@ -// 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_ |