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-rw-r--r--core/src/fpdfapi/fpdf_parser/cpdf_parser.cpp5
-rw-r--r--core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.cpp (renamed from core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp)31
-rw-r--r--core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h64
-rw-r--r--core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.cpp3
-rw-r--r--core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h2
-rw-r--r--core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp5
-rw-r--r--core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.h8
7 files changed, 92 insertions, 26 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/cpdf_parser.cpp b/core/src/fpdfapi/fpdf_parser/cpdf_parser.cpp
index 45d29f9351..b016797d7d 100644
--- a/core/src/fpdfapi/fpdf_parser/cpdf_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/cpdf_parser.cpp
@@ -10,6 +10,7 @@
#include "core/include/fpdfapi/cpdf_document.h"
#include "core/include/fpdfapi/fpdf_parser.h"
+#include "core/include/fpdfapi/ipdf_crypto_handler.h"
#include "core/include/fxcrt/fx_ext.h"
#include "core/include/fxcrt/fx_safe_types.h"
#include "core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h"
@@ -94,7 +95,7 @@ void CPDF_Parser::SetEncryptDictionary(CPDF_Dictionary* pDict) {
m_pEncryptDict = pDict;
}
-CPDF_CryptoHandler* CPDF_Parser::GetCryptoHandler() {
+IPDF_CryptoHandler* CPDF_Parser::GetCryptoHandler() {
return m_pSyntax->m_pCryptoHandler.get();
}
@@ -281,7 +282,7 @@ CPDF_Parser::Error CPDF_Parser::SetEncryptHandler() {
return err;
m_pSecurityHandler = std::move(pSecurityHandler);
- std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler(
+ std::unique_ptr<IPDF_CryptoHandler> pCryptoHandler(
m_pSecurityHandler->CreateCryptoHandler());
if (!pCryptoHandler->Init(m_pEncryptDict, m_pSecurityHandler.get()))
return HANDLER_ERROR;
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp b/core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.cpp
index 5d710657be..d7a6fd59fe 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp
+++ b/core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.cpp
@@ -4,19 +4,27 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-#include "core/include/fpdfapi/fpdf_parser.h"
+#include "core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h"
+
+#include <time.h>
+#include "core/include/fpdfapi/fpdf_parser.h"
#include "core/include/fpdfapi/cpdf_parser.h"
#include "core/include/fpdfapi/cpdf_simple_parser.h"
#include "core/include/fpdfapi/ipdf_security_handler.h"
#include "core/include/fdrm/fx_crypt.h"
-struct PDF_CRYPTOITEM {
- int32_t m_Cipher;
- int32_t m_KeyLen;
- FX_BOOL m_bChecked;
- CPDF_StandardCryptoHandler* m_pCryptoHandler;
-};
+IPDF_CryptoHandler::~IPDF_CryptoHandler() {}
+
+void IPDF_CryptoHandler::Decrypt(FX_DWORD objnum,
+ FX_DWORD gennum,
+ CFX_ByteString& str) {
+ CFX_BinaryBuf dest_buf;
+ void* context = DecryptStart(objnum, gennum);
+ DecryptStream(context, (const uint8_t*)str, str.GetLength(), dest_buf);
+ DecryptFinish(context, dest_buf);
+ str = dest_buf;
+}
void CPDF_StandardCryptoHandler::CryptBlock(FX_BOOL bEncrypt,
FX_DWORD objnum,
@@ -325,15 +333,6 @@ FX_BOOL CPDF_StandardCryptoHandler::EncryptContent(FX_DWORD objnum,
CryptBlock(TRUE, objnum, gennum, src_buf, src_size, dest_buf, dest_size);
return TRUE;
}
-void CPDF_CryptoHandler::Decrypt(FX_DWORD objnum,
- FX_DWORD gennum,
- CFX_ByteString& str) {
- CFX_BinaryBuf dest_buf;
- void* context = DecryptStart(objnum, gennum);
- DecryptStream(context, (const uint8_t*)str, str.GetLength(), dest_buf);
- DecryptFinish(context, dest_buf);
- str = dest_buf;
-}
CPDF_StandardCryptoHandler::CPDF_StandardCryptoHandler() {
m_pAESContext = NULL;
m_Cipher = FXCIPHER_NONE;
diff --git a/core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h b/core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h
new file mode 100644
index 0000000000..3ef1f7143f
--- /dev/null
+++ b/core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h
@@ -0,0 +1,64 @@
+// 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_SRC_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_CRYPTO_HANDLER_H_
+#define CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_CRYPTO_HANDLER_H_
+
+#include "core/include/fpdfapi/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;
+ FX_DWORD DecryptGetSize(FX_DWORD src_size) override;
+ void* DecryptStart(FX_DWORD objnum, FX_DWORD gennum) override;
+ FX_BOOL DecryptStream(void* context,
+ const uint8_t* src_buf,
+ FX_DWORD src_size,
+ CFX_BinaryBuf& dest_buf) override;
+ FX_BOOL DecryptFinish(void* context, CFX_BinaryBuf& dest_buf) override;
+ FX_DWORD EncryptGetSize(FX_DWORD objnum,
+ FX_DWORD version,
+ const uint8_t* src_buf,
+ FX_DWORD src_size) override;
+ FX_BOOL EncryptContent(FX_DWORD objnum,
+ FX_DWORD version,
+ const uint8_t* src_buf,
+ FX_DWORD src_size,
+ uint8_t* dest_buf,
+ FX_DWORD& dest_size) override;
+
+ FX_BOOL Init(int cipher, const uint8_t* key, int keylen);
+
+ protected:
+ virtual void CryptBlock(FX_BOOL bEncrypt,
+ FX_DWORD objnum,
+ FX_DWORD gennum,
+ const uint8_t* src_buf,
+ FX_DWORD src_size,
+ uint8_t* dest_buf,
+ FX_DWORD& dest_size);
+ virtual void* CryptStart(FX_DWORD objnum, FX_DWORD gennum, FX_BOOL bEncrypt);
+ virtual FX_BOOL CryptStream(void* context,
+ const uint8_t* src_buf,
+ FX_DWORD 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_SRC_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_CRYPTO_HANDLER_H_
diff --git a/core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.cpp b/core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.cpp
index dab9b1f89e..60d6ba47dd 100644
--- a/core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.cpp
+++ b/core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.cpp
@@ -11,6 +11,7 @@
#include "core/include/fdrm/fx_crypt.h"
#include "core/include/fpdfapi/cpdf_parser.h"
#include "core/include/fpdfapi/fpdf_parser.h"
+#include "core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h"
namespace {
@@ -78,7 +79,7 @@ CPDF_StandardSecurityHandler::CPDF_StandardSecurityHandler() {
CPDF_StandardSecurityHandler::~CPDF_StandardSecurityHandler() {}
-CPDF_CryptoHandler* CPDF_StandardSecurityHandler::CreateCryptoHandler() {
+IPDF_CryptoHandler* CPDF_StandardSecurityHandler::CreateCryptoHandler() {
return new CPDF_StandardCryptoHandler;
}
diff --git a/core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h b/core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h
index 27aeaa8bc0..fa761a1846 100644
--- a/core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h
+++ b/core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h
@@ -27,7 +27,7 @@ class CPDF_StandardSecurityHandler : public IPDF_SecurityHandler {
const uint8_t*& buffer,
int& keylen) override;
FX_BOOL IsMetadataEncrypted() override;
- CPDF_CryptoHandler* CreateCryptoHandler() override;
+ IPDF_CryptoHandler* CreateCryptoHandler() override;
void OnCreate(CPDF_Dictionary* pEncryptDict,
CPDF_Array* pIdArray,
diff --git a/core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp b/core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp
index 151139e4a4..f635e02e3a 100644
--- a/core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp
@@ -10,6 +10,7 @@
#include "core/include/fpdfapi/fpdf_module.h"
#include "core/include/fpdfapi/fpdf_parser.h"
+#include "core/include/fpdfapi/ipdf_crypto_handler.h"
#include "core/include/fxcrt/fx_ext.h"
#include "core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.h"
#include "third_party/base/numerics/safe_math.h"
@@ -636,7 +637,7 @@ CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict,
const CFX_ByteStringC kEndStreamStr("endstream");
const CFX_ByteStringC kEndObjStr("endobj");
- CPDF_CryptoHandler* pCryptoHandler =
+ IPDF_CryptoHandler* pCryptoHandler =
objnum == (FX_DWORD)m_MetadataObjnum ? nullptr : m_pCryptoHandler.get();
if (!pCryptoHandler) {
FX_BOOL bSearchForKeyword = TRUE;
@@ -974,6 +975,6 @@ FX_FILESIZE CPDF_SyntaxParser::FindTag(const CFX_ByteStringC& tag,
}
void CPDF_SyntaxParser::SetEncrypt(
- std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler) {
+ std::unique_ptr<IPDF_CryptoHandler> pCryptoHandler) {
m_pCryptoHandler = std::move(pCryptoHandler);
}
diff --git a/core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.h b/core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.h
index 44c98eafd8..c259efb1ee 100644
--- a/core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.h
+++ b/core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.h
@@ -11,12 +11,12 @@
#include "core/include/fxcrt/fx_basic.h"
-class CPDF_CryptoHandler;
+class CPDF_Dictionary;
class CPDF_IndirectObjectHolder;
class CPDF_Object;
-class CPDF_Dictionary;
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<CPDF_CryptoHandler> pCryptoHandler);
+ void SetEncrypt(std::unique_ptr<IPDF_CryptoHandler> pCryptoHandler);
FX_BOOL ReadBlock(uint8_t* pBuf, FX_DWORD size);
FX_BOOL GetCharAt(FX_FILESIZE pos, uint8_t& ch);
@@ -88,7 +88,7 @@ class CPDF_SyntaxParser {
uint8_t* m_pFileBuf;
FX_DWORD m_BufSize;
FX_FILESIZE m_BufOffset;
- std::unique_ptr<CPDF_CryptoHandler> m_pCryptoHandler;
+ std::unique_ptr<IPDF_CryptoHandler> m_pCryptoHandler;
uint8_t m_WordBuffer[257];
FX_DWORD m_WordSize;
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 10:01:29 +0000