| Index: xfa/src/fxfa/app/xfa_checksum.cpp
|
| diff --git a/xfa/src/fxfa/app/xfa_checksum.cpp b/xfa/src/fxfa/app/xfa_checksum.cpp
|
| deleted file mode 100644
|
| index 3df37cf1566c069382d8c65dcdf5cdd3a7a578b0..0000000000000000000000000000000000000000
|
| --- a/xfa/src/fxfa/app/xfa_checksum.cpp
|
| +++ /dev/null
|
| @@ -1,190 +0,0 @@
|
| -// Copyright 2014 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
|
| -
|
| -#include "xfa/src/fxfa/app/xfa_checksum.h"
|
| -
|
| -#include "core/include/fdrm/fx_crypt.h"
|
| -#include "xfa/src/fgas/crt/fgas_algorithm.h"
|
| -
|
| -CXFA_SAXReaderHandler::CXFA_SAXReaderHandler(CXFA_ChecksumContext* pContext)
|
| - : m_pContext(pContext) {
|
| - FXSYS_assert(m_pContext);
|
| -}
|
| -CXFA_SAXReaderHandler::~CXFA_SAXReaderHandler() {}
|
| -void* CXFA_SAXReaderHandler::OnTagEnter(const CFX_ByteStringC& bsTagName,
|
| - FX_SAXNODE eType,
|
| - FX_DWORD dwStartPos) {
|
| - UpdateChecksum(TRUE);
|
| - if (eType != FX_SAXNODE_Tag && eType != FX_SAXNODE_Instruction) {
|
| - return NULL;
|
| - }
|
| - m_SAXContext.m_eNode = eType;
|
| - CFX_ByteTextBuf& textBuf = m_SAXContext.m_TextBuf;
|
| - textBuf << "<";
|
| - if (eType == FX_SAXNODE_Instruction) {
|
| - textBuf << "?";
|
| - }
|
| - textBuf << bsTagName;
|
| - m_SAXContext.m_bsTagName = bsTagName;
|
| - return &m_SAXContext;
|
| -}
|
| -void CXFA_SAXReaderHandler::OnTagAttribute(void* pTag,
|
| - const CFX_ByteStringC& bsAttri,
|
| - const CFX_ByteStringC& bsValue) {
|
| - if (pTag == NULL) {
|
| - return;
|
| - }
|
| - CFX_ByteTextBuf& textBuf = ((CXFA_SAXContext*)pTag)->m_TextBuf;
|
| - textBuf << " " << bsAttri << "=\"" << bsValue << "\"";
|
| -}
|
| -void CXFA_SAXReaderHandler::OnTagBreak(void* pTag) {
|
| - if (pTag == NULL) {
|
| - return;
|
| - }
|
| - CFX_ByteTextBuf& textBuf = ((CXFA_SAXContext*)pTag)->m_TextBuf;
|
| - textBuf << ">";
|
| - UpdateChecksum(FALSE);
|
| -}
|
| -void CXFA_SAXReaderHandler::OnTagData(void* pTag,
|
| - FX_SAXNODE eType,
|
| - const CFX_ByteStringC& bsData,
|
| - FX_DWORD dwStartPos) {
|
| - if (pTag == NULL) {
|
| - return;
|
| - }
|
| - CFX_ByteTextBuf& textBuf = ((CXFA_SAXContext*)pTag)->m_TextBuf;
|
| - if (eType == FX_SAXNODE_CharData) {
|
| - textBuf << "<![CDATA[";
|
| - }
|
| - textBuf << bsData;
|
| - if (eType == FX_SAXNODE_CharData) {
|
| - textBuf << "]]>";
|
| - }
|
| -}
|
| -void CXFA_SAXReaderHandler::OnTagClose(void* pTag, FX_DWORD dwEndPos) {
|
| - if (pTag == NULL) {
|
| - return;
|
| - }
|
| - CXFA_SAXContext* pSAXContext = (CXFA_SAXContext*)pTag;
|
| - CFX_ByteTextBuf& textBuf = pSAXContext->m_TextBuf;
|
| - if (pSAXContext->m_eNode == FX_SAXNODE_Instruction) {
|
| - textBuf << "?>";
|
| - } else if (pSAXContext->m_eNode == FX_SAXNODE_Tag) {
|
| - textBuf << "></" << pSAXContext->m_bsTagName << ">";
|
| - }
|
| - UpdateChecksum(FALSE);
|
| -}
|
| -void CXFA_SAXReaderHandler::OnTagEnd(void* pTag,
|
| - const CFX_ByteStringC& bsTagName,
|
| - FX_DWORD dwEndPos) {
|
| - if (pTag == NULL) {
|
| - return;
|
| - }
|
| - CFX_ByteTextBuf& textBuf = ((CXFA_SAXContext*)pTag)->m_TextBuf;
|
| - textBuf << "</" << bsTagName << ">";
|
| - UpdateChecksum(FALSE);
|
| -}
|
| -void CXFA_SAXReaderHandler::OnTargetData(void* pTag,
|
| - FX_SAXNODE eType,
|
| - const CFX_ByteStringC& bsData,
|
| - FX_DWORD dwStartPos) {
|
| - if (pTag == NULL && eType != FX_SAXNODE_Comment) {
|
| - return;
|
| - }
|
| - if (eType == FX_SAXNODE_Comment) {
|
| - CFX_ByteTextBuf& textBuf = m_SAXContext.m_TextBuf;
|
| - textBuf << "<!--" << bsData << "-->";
|
| - UpdateChecksum(FALSE);
|
| - } else {
|
| - CFX_ByteTextBuf& textBuf = ((CXFA_SAXContext*)pTag)->m_TextBuf;
|
| - textBuf << " " << bsData;
|
| - }
|
| -}
|
| -void CXFA_SAXReaderHandler::UpdateChecksum(FX_BOOL bCheckSpace) {
|
| - int32_t iLength = m_SAXContext.m_TextBuf.GetLength();
|
| - if (iLength < 1) {
|
| - return;
|
| - }
|
| - uint8_t* pBuffer = m_SAXContext.m_TextBuf.GetBuffer();
|
| - FX_BOOL bUpdata = TRUE;
|
| - if (bCheckSpace) {
|
| - bUpdata = FALSE;
|
| - for (int32_t i = 0; i < iLength; i++) {
|
| - bUpdata = (pBuffer[i] > 0x20);
|
| - if (bUpdata) {
|
| - break;
|
| - }
|
| - }
|
| - }
|
| - if (bUpdata) {
|
| - m_pContext->Update(CFX_ByteStringC(pBuffer, iLength));
|
| - }
|
| - m_SAXContext.m_TextBuf.Clear();
|
| -}
|
| -IXFA_ChecksumContext* XFA_Checksum_Create() {
|
| - return new CXFA_ChecksumContext;
|
| -}
|
| -CXFA_ChecksumContext::CXFA_ChecksumContext()
|
| - : m_pSAXReader(NULL), m_pByteContext(NULL) {}
|
| -CXFA_ChecksumContext::~CXFA_ChecksumContext() {
|
| - FinishChecksum();
|
| -}
|
| -FX_BOOL CXFA_ChecksumContext::StartChecksum() {
|
| - FinishChecksum();
|
| - m_pByteContext = FX_Alloc(uint8_t, 128);
|
| - CRYPT_SHA1Start(m_pByteContext);
|
| - m_bsChecksum.Empty();
|
| - m_pSAXReader = FX_SAXReader_Create();
|
| - return m_pSAXReader != NULL;
|
| -}
|
| -FX_BOOL CXFA_ChecksumContext::UpdateChecksum(IFX_FileRead* pSrcFile,
|
| - FX_FILESIZE offset,
|
| - size_t size) {
|
| - if (m_pSAXReader == NULL) {
|
| - return FALSE;
|
| - }
|
| - if (pSrcFile == NULL) {
|
| - return FALSE;
|
| - }
|
| - if (size < 1) {
|
| - size = pSrcFile->GetSize();
|
| - }
|
| - CXFA_SAXReaderHandler handler(this);
|
| - m_pSAXReader->SetHandler(&handler);
|
| - if (m_pSAXReader->StartParse(
|
| - pSrcFile, (FX_DWORD)offset, (FX_DWORD)size,
|
| - FX_SAXPARSEMODE_NotSkipSpace | FX_SAXPARSEMODE_NotConvert_amp |
|
| - FX_SAXPARSEMODE_NotConvert_lt | FX_SAXPARSEMODE_NotConvert_gt |
|
| - FX_SAXPARSEMODE_NotConvert_sharp) < 0) {
|
| - return FALSE;
|
| - }
|
| - return m_pSAXReader->ContinueParse(NULL) > 99;
|
| -}
|
| -void CXFA_ChecksumContext::FinishChecksum() {
|
| - if (m_pSAXReader) {
|
| - m_pSAXReader->Release();
|
| - m_pSAXReader = NULL;
|
| - }
|
| - if (m_pByteContext) {
|
| - uint8_t digest[20];
|
| - FXSYS_memset(digest, 0, 20);
|
| - CRYPT_SHA1Finish(m_pByteContext, digest);
|
| - int32_t nLen = FX_Base64EncodeA(digest, 20, NULL);
|
| - FX_CHAR* pBuffer = m_bsChecksum.GetBuffer(nLen);
|
| - FX_Base64EncodeA(digest, 20, pBuffer);
|
| - m_bsChecksum.ReleaseBuffer(nLen);
|
| - FX_Free(m_pByteContext);
|
| - m_pByteContext = NULL;
|
| - }
|
| -}
|
| -void CXFA_ChecksumContext::GetChecksum(CFX_ByteString& bsChecksum) {
|
| - bsChecksum = m_bsChecksum;
|
| -}
|
| -void CXFA_ChecksumContext::Update(const CFX_ByteStringC& bsText) {
|
| - if (m_pByteContext) {
|
| - CRYPT_SHA1Update(m_pByteContext, bsText.GetPtr(), bsText.GetLength());
|
| - }
|
| -}
|
|
|