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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:51:24 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:51:24 -0400
commitf766ad219f66543654520f6a1955836f519e26d1 (patch)
tree2edf8bc93b89503a3669f7add5b6c2a407b8a78c /fpdfsdk/javascript/JS_GlobalData.cpp
parent54b0abed08048008498471e39b7c72b034474090 (diff)
downloadpdfium-f766ad219f66543654520f6a1955836f519e26d1.tar.xz
Move fpdfsdk/src up to fpdfsdk/.
This CL moves the files in fpdfsdk/src/ up one level to fpdfsdk/ and fixes up the include paths, include guards and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1799773002 .
Diffstat (limited to 'fpdfsdk/javascript/JS_GlobalData.cpp')
-rw-r--r--fpdfsdk/javascript/JS_GlobalData.cpp490
1 files changed, 490 insertions, 0 deletions
diff --git a/fpdfsdk/javascript/JS_GlobalData.cpp b/fpdfsdk/javascript/JS_GlobalData.cpp
new file mode 100644
index 0000000000..1408dbe33d
--- /dev/null
+++ b/fpdfsdk/javascript/JS_GlobalData.cpp
@@ -0,0 +1,490 @@
+// 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 "fpdfsdk/javascript/JS_GlobalData.h"
+
+#include "core/include/fdrm/fx_crypt.h"
+#include "fpdfsdk/include/javascript/IJavaScript.h"
+
+#define JS_MAXGLOBALDATA (1024 * 4 - 8)
+
+/* --------------------- CJS_GlobalVariableArray --------------------- */
+
+CJS_GlobalVariableArray::CJS_GlobalVariableArray() {}
+
+CJS_GlobalVariableArray::~CJS_GlobalVariableArray() {
+ Empty();
+}
+
+void CJS_GlobalVariableArray::Copy(const CJS_GlobalVariableArray& array) {
+ Empty();
+ for (int i = 0, sz = array.Count(); i < sz; i++) {
+ CJS_KeyValue* pOldObjData = array.GetAt(i);
+ switch (pOldObjData->nType) {
+ case JS_GLOBALDATA_TYPE_NUMBER: {
+ CJS_KeyValue* pNewObjData = new CJS_KeyValue;
+ pNewObjData->sKey = pOldObjData->sKey;
+ pNewObjData->nType = pOldObjData->nType;
+ pNewObjData->dData = pOldObjData->dData;
+ Add(pNewObjData);
+ } break;
+ case JS_GLOBALDATA_TYPE_BOOLEAN: {
+ CJS_KeyValue* pNewObjData = new CJS_KeyValue;
+ pNewObjData->sKey = pOldObjData->sKey;
+ pNewObjData->nType = pOldObjData->nType;
+ pNewObjData->bData = pOldObjData->bData;
+ Add(pNewObjData);
+ } break;
+ case JS_GLOBALDATA_TYPE_STRING: {
+ CJS_KeyValue* pNewObjData = new CJS_KeyValue;
+ pNewObjData->sKey = pOldObjData->sKey;
+ pNewObjData->nType = pOldObjData->nType;
+ pNewObjData->sData = pOldObjData->sData;
+ Add(pNewObjData);
+ } break;
+ case JS_GLOBALDATA_TYPE_OBJECT: {
+ CJS_KeyValue* pNewObjData = new CJS_KeyValue;
+ pNewObjData->sKey = pOldObjData->sKey;
+ pNewObjData->nType = pOldObjData->nType;
+ pNewObjData->objData.Copy(pOldObjData->objData);
+ Add(pNewObjData);
+ } break;
+ case JS_GLOBALDATA_TYPE_NULL: {
+ CJS_KeyValue* pNewObjData = new CJS_KeyValue;
+ pNewObjData->sKey = pOldObjData->sKey;
+ pNewObjData->nType = pOldObjData->nType;
+ Add(pNewObjData);
+ } break;
+ }
+ }
+}
+
+void CJS_GlobalVariableArray::Add(CJS_KeyValue* p) {
+ array.Add(p);
+}
+
+int CJS_GlobalVariableArray::Count() const {
+ return array.GetSize();
+}
+
+CJS_KeyValue* CJS_GlobalVariableArray::GetAt(int index) const {
+ return array.GetAt(index);
+}
+
+void CJS_GlobalVariableArray::Empty() {
+ for (int i = 0, sz = array.GetSize(); i < sz; i++)
+ delete array.GetAt(i);
+ array.RemoveAll();
+}
+
+/* -------------------------- CJS_GlobalData -------------------------- */
+
+#define READER_JS_GLOBALDATA_FILENAME L"Reader_JsGlobal.Data"
+#define PHANTOM_JS_GLOBALDATA_FILENAME L"Phantom_JsGlobal.Data"
+#define SDK_JS_GLOBALDATA_FILENAME L"SDK_JsGlobal.Data"
+
+static const uint8_t JS_RC4KEY[] = {
+ 0x19, 0xa8, 0xe8, 0x01, 0xf6, 0xa8, 0xb6, 0x4d, 0x82, 0x04, 0x45, 0x6d,
+ 0xb4, 0xcf, 0xd7, 0x77, 0x67, 0xf9, 0x75, 0x9f, 0xf0, 0xe0, 0x1e, 0x51,
+ 0xee, 0x46, 0xfd, 0x0b, 0xc9, 0x93, 0x25, 0x55, 0x4a, 0xee, 0xe0, 0x16,
+ 0xd0, 0xdf, 0x8c, 0xfa, 0x2a, 0xa9, 0x49, 0xfd, 0x97, 0x1c, 0x0e, 0x22,
+ 0x13, 0x28, 0x7c, 0xaf, 0xc4, 0xfc, 0x9c, 0x12, 0x65, 0x8c, 0x4e, 0x5b,
+ 0x04, 0x75, 0x89, 0xc9, 0xb1, 0xed, 0x50, 0xca, 0x96, 0x6f, 0x1a, 0x7a,
+ 0xfe, 0x58, 0x5d, 0xec, 0x19, 0x4a, 0xf6, 0x35, 0x6a, 0x97, 0x14, 0x00,
+ 0x0e, 0xd0, 0x6b, 0xbb, 0xd5, 0x75, 0x55, 0x8b, 0x6e, 0x6b, 0x19, 0xa0,
+ 0xf8, 0x77, 0xd5, 0xa3};
+
+CJS_GlobalData* CJS_GlobalData::g_Instance = nullptr;
+
+// static
+CJS_GlobalData* CJS_GlobalData::GetRetainedInstance(CPDFDoc_Environment* pApp) {
+ if (!g_Instance) {
+ g_Instance = new CJS_GlobalData();
+ }
+ ++g_Instance->m_RefCount;
+ return g_Instance;
+}
+
+void CJS_GlobalData::Release() {
+ if (!--m_RefCount) {
+ delete g_Instance;
+ g_Instance = nullptr;
+ }
+}
+
+CJS_GlobalData::CJS_GlobalData() : m_RefCount(0) {
+ m_sFilePath += SDK_JS_GLOBALDATA_FILENAME;
+ LoadGlobalPersistentVariables();
+}
+
+CJS_GlobalData::~CJS_GlobalData() {
+ SaveGlobalPersisitentVariables();
+ for (int i = 0, sz = m_arrayGlobalData.GetSize(); i < sz; i++)
+ delete m_arrayGlobalData.GetAt(i);
+
+ m_arrayGlobalData.RemoveAll();
+}
+
+int CJS_GlobalData::FindGlobalVariable(const FX_CHAR* propname) {
+ for (int i = 0, sz = m_arrayGlobalData.GetSize(); i < sz; i++) {
+ CJS_GlobalData_Element* pTemp = m_arrayGlobalData.GetAt(i);
+ if (pTemp->data.sKey[0] == *propname && pTemp->data.sKey == propname)
+ return i;
+ }
+ return -1;
+}
+
+CJS_GlobalData_Element* CJS_GlobalData::GetGlobalVariable(
+ const FX_CHAR* propname) {
+ ASSERT(propname);
+
+ int nFind = FindGlobalVariable(propname);
+ return nFind >= 0 ? m_arrayGlobalData.GetAt(nFind) : nullptr;
+}
+
+void CJS_GlobalData::SetGlobalVariableNumber(const FX_CHAR* propname,
+ double dData) {
+ ASSERT(propname);
+ CFX_ByteString sPropName = propname;
+ sPropName.TrimLeft();
+ sPropName.TrimRight();
+ if (sPropName.GetLength() == 0)
+ return;
+
+ if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
+ pData->data.nType = JS_GLOBALDATA_TYPE_NUMBER;
+ pData->data.dData = dData;
+ } else {
+ CJS_GlobalData_Element* pNewData = new CJS_GlobalData_Element;
+ pNewData->data.sKey = sPropName;
+ pNewData->data.nType = JS_GLOBALDATA_TYPE_NUMBER;
+ pNewData->data.dData = dData;
+ m_arrayGlobalData.Add(pNewData);
+ }
+}
+
+void CJS_GlobalData::SetGlobalVariableBoolean(const FX_CHAR* propname,
+ bool bData) {
+ ASSERT(propname);
+ CFX_ByteString sPropName = propname;
+
+ sPropName.TrimLeft();
+ sPropName.TrimRight();
+
+ if (sPropName.GetLength() == 0)
+ return;
+
+ if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
+ pData->data.nType = JS_GLOBALDATA_TYPE_BOOLEAN;
+ pData->data.bData = bData;
+ } else {
+ CJS_GlobalData_Element* pNewData = new CJS_GlobalData_Element;
+ pNewData->data.sKey = sPropName;
+ pNewData->data.nType = JS_GLOBALDATA_TYPE_BOOLEAN;
+ pNewData->data.bData = bData;
+
+ m_arrayGlobalData.Add(pNewData);
+ }
+}
+
+void CJS_GlobalData::SetGlobalVariableString(const FX_CHAR* propname,
+ const CFX_ByteString& sData) {
+ ASSERT(propname);
+ CFX_ByteString sPropName = propname;
+
+ sPropName.TrimLeft();
+ sPropName.TrimRight();
+
+ if (sPropName.GetLength() == 0)
+ return;
+
+ if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
+ pData->data.nType = JS_GLOBALDATA_TYPE_STRING;
+ pData->data.sData = sData;
+ } else {
+ CJS_GlobalData_Element* pNewData = new CJS_GlobalData_Element;
+ pNewData->data.sKey = sPropName;
+ pNewData->data.nType = JS_GLOBALDATA_TYPE_STRING;
+ pNewData->data.sData = sData;
+
+ m_arrayGlobalData.Add(pNewData);
+ }
+}
+
+void CJS_GlobalData::SetGlobalVariableObject(
+ const FX_CHAR* propname,
+ const CJS_GlobalVariableArray& array) {
+ ASSERT(propname);
+ CFX_ByteString sPropName = propname;
+
+ sPropName.TrimLeft();
+ sPropName.TrimRight();
+
+ if (sPropName.GetLength() == 0)
+ return;
+
+ if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
+ pData->data.nType = JS_GLOBALDATA_TYPE_OBJECT;
+ pData->data.objData.Copy(array);
+ } else {
+ CJS_GlobalData_Element* pNewData = new CJS_GlobalData_Element;
+ pNewData->data.sKey = sPropName;
+ pNewData->data.nType = JS_GLOBALDATA_TYPE_OBJECT;
+ pNewData->data.objData.Copy(array);
+
+ m_arrayGlobalData.Add(pNewData);
+ }
+}
+
+void CJS_GlobalData::SetGlobalVariableNull(const FX_CHAR* propname) {
+ ASSERT(propname);
+ CFX_ByteString sPropName = propname;
+
+ sPropName.TrimLeft();
+ sPropName.TrimRight();
+
+ if (sPropName.GetLength() == 0)
+ return;
+
+ if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
+ pData->data.nType = JS_GLOBALDATA_TYPE_NULL;
+ } else {
+ CJS_GlobalData_Element* pNewData = new CJS_GlobalData_Element;
+ pNewData->data.sKey = sPropName;
+ pNewData->data.nType = JS_GLOBALDATA_TYPE_NULL;
+
+ m_arrayGlobalData.Add(pNewData);
+ }
+}
+
+FX_BOOL CJS_GlobalData::SetGlobalVariablePersistent(const FX_CHAR* propname,
+ FX_BOOL bPersistent) {
+ ASSERT(propname);
+ CFX_ByteString sPropName = propname;
+
+ sPropName.TrimLeft();
+ sPropName.TrimRight();
+
+ if (sPropName.GetLength() == 0)
+ return FALSE;
+
+ if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
+ pData->bPersistent = bPersistent;
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+FX_BOOL CJS_GlobalData::DeleteGlobalVariable(const FX_CHAR* propname) {
+ ASSERT(propname);
+ CFX_ByteString sPropName = propname;
+
+ sPropName.TrimLeft();
+ sPropName.TrimRight();
+
+ if (sPropName.GetLength() == 0)
+ return FALSE;
+
+ int nFind = FindGlobalVariable(sPropName);
+
+ if (nFind >= 0) {
+ delete m_arrayGlobalData.GetAt(nFind);
+ m_arrayGlobalData.RemoveAt(nFind);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+int32_t CJS_GlobalData::GetSize() const {
+ return m_arrayGlobalData.GetSize();
+}
+
+CJS_GlobalData_Element* CJS_GlobalData::GetAt(int index) const {
+ return m_arrayGlobalData.GetAt(index);
+}
+
+void CJS_GlobalData::LoadGlobalPersistentVariables() {
+ uint8_t* pBuffer = NULL;
+ int32_t nLength = 0;
+
+ LoadFileBuffer(m_sFilePath.c_str(), pBuffer, nLength);
+ CRYPT_ArcFourCryptBlock(pBuffer, nLength, JS_RC4KEY, sizeof(JS_RC4KEY));
+
+ if (pBuffer) {
+ uint8_t* p = pBuffer;
+ FX_WORD wType = *((FX_WORD*)p);
+ p += sizeof(FX_WORD);
+
+ // FX_WORD wTemp = (FX_WORD)(('X' << 8) | 'F');
+
+ if (wType == (FX_WORD)(('X' << 8) | 'F')) {
+ FX_WORD wVersion = *((FX_WORD*)p);
+ p += sizeof(FX_WORD);
+
+ ASSERT(wVersion <= 2);
+
+ FX_DWORD dwCount = *((FX_DWORD*)p);
+ p += sizeof(FX_DWORD);
+
+ FX_DWORD dwSize = *((FX_DWORD*)p);
+ p += sizeof(FX_DWORD);
+
+ if (dwSize == nLength - sizeof(FX_WORD) * 2 - sizeof(FX_DWORD) * 2) {
+ for (int32_t i = 0, sz = dwCount; i < sz; i++) {
+ if (p > pBuffer + nLength)
+ break;
+
+ FX_DWORD dwNameLen = *((FX_DWORD*)p);
+ p += sizeof(FX_DWORD);
+
+ if (p + dwNameLen > pBuffer + nLength)
+ break;
+
+ CFX_ByteString sEntry = CFX_ByteString(p, dwNameLen);
+ p += sizeof(char) * dwNameLen;
+
+ FX_WORD wDataType = *((FX_WORD*)p);
+ p += sizeof(FX_WORD);
+
+ switch (wDataType) {
+ case JS_GLOBALDATA_TYPE_NUMBER: {
+ double dData = 0;
+ switch (wVersion) {
+ case 1: {
+ FX_DWORD dwData = *((FX_DWORD*)p);
+ p += sizeof(FX_DWORD);
+ dData = dwData;
+ } break;
+ case 2: {
+ dData = *((double*)p);
+ p += sizeof(double);
+ } break;
+ }
+ SetGlobalVariableNumber(sEntry, dData);
+ SetGlobalVariablePersistent(sEntry, TRUE);
+ } break;
+ case JS_GLOBALDATA_TYPE_BOOLEAN: {
+ FX_WORD wData = *((FX_WORD*)p);
+ p += sizeof(FX_WORD);
+ SetGlobalVariableBoolean(sEntry, (bool)(wData == 1));
+ SetGlobalVariablePersistent(sEntry, TRUE);
+ } break;
+ case JS_GLOBALDATA_TYPE_STRING: {
+ FX_DWORD dwLength = *((FX_DWORD*)p);
+ p += sizeof(FX_DWORD);
+
+ if (p + dwLength > pBuffer + nLength)
+ break;
+
+ SetGlobalVariableString(sEntry, CFX_ByteString(p, dwLength));
+ SetGlobalVariablePersistent(sEntry, TRUE);
+ p += sizeof(char) * dwLength;
+ } break;
+ case JS_GLOBALDATA_TYPE_NULL: {
+ SetGlobalVariableNull(sEntry);
+ SetGlobalVariablePersistent(sEntry, TRUE);
+ }
+ }
+ }
+ }
+ }
+ FX_Free(pBuffer);
+ }
+}
+
+void CJS_GlobalData::SaveGlobalPersisitentVariables() {
+ FX_DWORD nCount = 0;
+ CFX_BinaryBuf sData;
+
+ for (int i = 0, sz = m_arrayGlobalData.GetSize(); i < sz; i++) {
+ CJS_GlobalData_Element* pElement = m_arrayGlobalData.GetAt(i);
+ if (pElement->bPersistent) {
+ CFX_BinaryBuf sElement;
+ MakeByteString(pElement->data.sKey, &pElement->data, sElement);
+
+ if (sData.GetSize() + sElement.GetSize() > JS_MAXGLOBALDATA)
+ break;
+
+ sData.AppendBlock(sElement.GetBuffer(), sElement.GetSize());
+ nCount++;
+ }
+ }
+
+ CFX_BinaryBuf sFile;
+
+ FX_WORD wType = (FX_WORD)(('X' << 8) | 'F');
+ sFile.AppendBlock(&wType, sizeof(FX_WORD));
+ FX_WORD wVersion = 2;
+ sFile.AppendBlock(&wVersion, sizeof(FX_WORD));
+ sFile.AppendBlock(&nCount, sizeof(FX_DWORD));
+ FX_DWORD dwSize = sData.GetSize();
+ sFile.AppendBlock(&dwSize, sizeof(FX_DWORD));
+
+ sFile.AppendBlock(sData.GetBuffer(), sData.GetSize());
+
+ CRYPT_ArcFourCryptBlock(sFile.GetBuffer(), sFile.GetSize(), JS_RC4KEY,
+ sizeof(JS_RC4KEY));
+ WriteFileBuffer(m_sFilePath.c_str(), (const FX_CHAR*)sFile.GetBuffer(),
+ sFile.GetSize());
+}
+
+void CJS_GlobalData::LoadFileBuffer(const FX_WCHAR* sFilePath,
+ uint8_t*& pBuffer,
+ int32_t& nLength) {
+ // UnSupport.
+}
+
+void CJS_GlobalData::WriteFileBuffer(const FX_WCHAR* sFilePath,
+ const FX_CHAR* pBuffer,
+ int32_t nLength) {
+ // UnSupport.
+}
+
+void CJS_GlobalData::MakeByteString(const CFX_ByteString& name,
+ CJS_KeyValue* pData,
+ CFX_BinaryBuf& sData) {
+ FX_WORD wType = (FX_WORD)pData->nType;
+ switch (wType) {
+ case JS_GLOBALDATA_TYPE_NUMBER: {
+ FX_DWORD dwNameLen = (FX_DWORD)name.GetLength();
+ sData.AppendBlock(&dwNameLen, sizeof(FX_DWORD));
+ sData.AppendString(name);
+ sData.AppendBlock(&wType, sizeof(FX_WORD));
+
+ double dData = pData->dData;
+ sData.AppendBlock(&dData, sizeof(double));
+ } break;
+ case JS_GLOBALDATA_TYPE_BOOLEAN: {
+ FX_DWORD dwNameLen = (FX_DWORD)name.GetLength();
+ sData.AppendBlock(&dwNameLen, sizeof(FX_DWORD));
+ sData.AppendString(name);
+ sData.AppendBlock(&wType, sizeof(FX_WORD));
+
+ FX_WORD wData = (FX_WORD)pData->bData;
+ sData.AppendBlock(&wData, sizeof(FX_WORD));
+ } break;
+ case JS_GLOBALDATA_TYPE_STRING: {
+ FX_DWORD dwNameLen = (FX_DWORD)name.GetLength();
+ sData.AppendBlock(&dwNameLen, sizeof(FX_DWORD));
+ sData.AppendString(name);
+ sData.AppendBlock(&wType, sizeof(FX_WORD));
+
+ FX_DWORD dwDataLen = (FX_DWORD)pData->sData.GetLength();
+ sData.AppendBlock(&dwDataLen, sizeof(FX_DWORD));
+ sData.AppendString(pData->sData);
+ } break;
+ case JS_GLOBALDATA_TYPE_NULL: {
+ FX_DWORD dwNameLen = (FX_DWORD)name.GetLength();
+ sData.AppendBlock(&dwNameLen, sizeof(FX_DWORD));
+ sData.AppendString(name);
+ sData.AppendBlock(&wType, sizeof(FX_DWORD));
+ } break;
+ default:
+ break;
+ }
+}