diff options
Diffstat (limited to 'core/fpdfapi/parser')
-rw-r--r-- | core/fpdfapi/parser/cpdf_parser.cpp | 19 | ||||
-rw-r--r-- | core/fpdfapi/parser/cpdf_parser.h | 5 | ||||
-rw-r--r-- | core/fpdfapi/parser/cpdf_security_handler.cpp | 5 | ||||
-rw-r--r-- | core/fpdfapi/parser/cpdf_security_handler.h | 10 |
4 files changed, 25 insertions, 14 deletions
diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp index 17f49c6324..a1b8a2deba 100644 --- a/core/fpdfapi/parser/cpdf_parser.cpp +++ b/core/fpdfapi/parser/cpdf_parser.cpp @@ -155,10 +155,6 @@ void CPDF_Parser::SetEncryptDictionary(CPDF_Dictionary* pDict) { m_pEncryptDict = pDict; } -CPDF_CryptoHandler* CPDF_Parser::GetCryptoHandler() const { - return m_pCryptoHandler.get(); -} - RetainPtr<IFX_SeekableReadStream> CPDF_Parser::GetFileAccess() const { return m_pSyntax->GetFileAccess(); } @@ -315,17 +311,15 @@ CPDF_Parser::Error CPDF_Parser::SetEncryptHandler() { m_Password)) return PASSWORD_ERROR; - m_pSecurityHandler = std::move(pSecurityHandler); - auto pCryptoHandler = pdfium::MakeUnique<CPDF_CryptoHandler>(); - if (!pCryptoHandler->Init(m_pEncryptDict.Get(), m_pSecurityHandler.get())) + if (!pSecurityHandler->InitCryptoHandler()) return HANDLER_ERROR; - m_pCryptoHandler = std::move(pCryptoHandler); + + m_pSecurityHandler = std::move(pSecurityHandler); } return SUCCESS; } void CPDF_Parser::ReleaseEncryptHandler() { - m_pCryptoHandler.reset(); m_pSecurityHandler.reset(); SetEncryptDictionary(nullptr); } @@ -1276,9 +1270,12 @@ std::unique_ptr<CPDF_Object> CPDF_Parser::ParseIndirectObjectAtInternal( if (result && objnum && result->GetObjNum() != objnum) return nullptr; - const bool should_decrypt = m_pCryptoHandler && objnum != m_MetadataObjnum; + const bool should_decrypt = m_pSecurityHandler && + m_pSecurityHandler->GetCryptoHandler() && + objnum != m_MetadataObjnum; if (should_decrypt) - result = m_pCryptoHandler->DecryptObjectTree(std::move(result)); + result = m_pSecurityHandler->GetCryptoHandler()->DecryptObjectTree( + std::move(result)); return result; } diff --git a/core/fpdfapi/parser/cpdf_parser.h b/core/fpdfapi/parser/cpdf_parser.h index 0c7d29f728..2dee1ab9e1 100644 --- a/core/fpdfapi/parser/cpdf_parser.h +++ b/core/fpdfapi/parser/cpdf_parser.h @@ -76,7 +76,9 @@ class CPDF_Parser { FX_FILESIZE GetObjectPositionOrZero(uint32_t objnum) const; uint16_t GetObjectGenNum(uint32_t objnum) const; bool IsObjectFreeOrNull(uint32_t objnum) const; - CPDF_CryptoHandler* GetCryptoHandler() const; + CPDF_SecurityHandler* GetSecurityHandler() const { + return m_pSecurityHandler.get(); + } RetainPtr<IFX_SeekableReadStream> GetFileAccess() const; bool IsObjectFree(uint32_t objnum) const; @@ -221,7 +223,6 @@ class CPDF_Parser { // All indirect object numbers that are being parsed. std::set<uint32_t> m_ParsingObjNums; - std::unique_ptr<CPDF_CryptoHandler> m_pCryptoHandler; uint32_t m_MetadataObjnum = 0; }; diff --git a/core/fpdfapi/parser/cpdf_security_handler.cpp b/core/fpdfapi/parser/cpdf_security_handler.cpp index dce2ac4fdc..03c15458a9 100644 --- a/core/fpdfapi/parser/cpdf_security_handler.cpp +++ b/core/fpdfapi/parser/cpdf_security_handler.cpp @@ -706,3 +706,8 @@ void CPDF_SecurityHandler::AES256_SetPerms(CPDF_Dictionary* pEncryptDict, CRYPT_AESEncrypt(&aes, buf1, buf, 16); pEncryptDict->SetNewFor<CPDF_String>("Perms", ByteString(buf1, 16), false); } + +bool CPDF_SecurityHandler::InitCryptoHandler() { + m_pCryptoHandler = pdfium::MakeUnique<CPDF_CryptoHandler>(); + return m_pCryptoHandler->Init(m_pEncryptDict.Get(), this); +} diff --git a/core/fpdfapi/parser/cpdf_security_handler.h b/core/fpdfapi/parser/cpdf_security_handler.h index 8b55fa21a7..c03d97c411 100644 --- a/core/fpdfapi/parser/cpdf_security_handler.h +++ b/core/fpdfapi/parser/cpdf_security_handler.h @@ -7,7 +7,8 @@ #ifndef CORE_FPDFAPI_PARSER_CPDF_SECURITY_HANDLER_H_ #define CORE_FPDFAPI_PARSER_CPDF_SECURITY_HANDLER_H_ -#include "core/fpdfapi/parser/cpdf_crypto_handler.h" +#include <memory> + #include "core/fxcrt/fx_string.h" #include "core/fxcrt/fx_system.h" @@ -19,6 +20,7 @@ #define PDF_ENCRYPT_CONTENT 0 class CPDF_Array; +class CPDF_CryptoHandler; class CPDF_Dictionary; class CPDF_Parser; @@ -57,6 +59,11 @@ class CPDF_SecurityHandler { uint8_t* key, int key_len); + bool InitCryptoHandler(); + CPDF_CryptoHandler* GetCryptoHandler() const { + return m_pCryptoHandler.get(); + } + private: bool LoadDict(CPDF_Dictionary* pEncryptDict); bool LoadDict(CPDF_Dictionary* pEncryptDict, @@ -107,6 +114,7 @@ class CPDF_SecurityHandler { uint8_t m_EncryptKey[32]; int m_KeyLen; bool m_bOwnerUnlocked; + std::unique_ptr<CPDF_CryptoHandler> m_pCryptoHandler; }; #endif // CORE_FPDFAPI_PARSER_CPDF_SECURITY_HANDLER_H_ |