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// 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 "public/fpdf_ext.h"
#include "core/include/fxcrt/fx_xml.h"
#include "fpdfsdk/include/fsdk_define.h"
#define FPDFSDK_UNSUPPORT_CALL 100
class CFSDK_UnsupportInfo_Adapter {
public:
CFSDK_UnsupportInfo_Adapter(UNSUPPORT_INFO* unsp_info) {
m_unsp_info = unsp_info;
}
// FX_BOOL NeedToPauseNow();
void ReportError(int nErrorType);
private:
UNSUPPORT_INFO* m_unsp_info;
};
void CFSDK_UnsupportInfo_Adapter::ReportError(int nErrorType) {
if (m_unsp_info && m_unsp_info->FSDK_UnSupport_Handler) {
m_unsp_info->FSDK_UnSupport_Handler(m_unsp_info, nErrorType);
}
}
void FreeUnsupportInfo(void* pData) {
CFSDK_UnsupportInfo_Adapter* pAdapter = (CFSDK_UnsupportInfo_Adapter*)pData;
delete pAdapter;
}
FX_BOOL FPDF_UnSupportError(int nError) {
CFSDK_UnsupportInfo_Adapter* pAdapter =
(CFSDK_UnsupportInfo_Adapter*)CPDF_ModuleMgr::Get()->GetPrivateData(
(void*)FPDFSDK_UNSUPPORT_CALL);
if (!pAdapter)
return FALSE;
pAdapter->ReportError(nError);
return TRUE;
}
DLLEXPORT FPDF_BOOL STDCALL
FSDK_SetUnSpObjProcessHandler(UNSUPPORT_INFO* unsp_info) {
if (!unsp_info || unsp_info->version != 1)
return FALSE;
CFSDK_UnsupportInfo_Adapter* pAdapter =
new CFSDK_UnsupportInfo_Adapter(unsp_info);
CPDF_ModuleMgr::Get()->SetPrivateData((void*)FPDFSDK_UNSUPPORT_CALL, pAdapter,
&FreeUnsupportInfo);
return TRUE;
}
void CheckUnSupportAnnot(CPDF_Document* pDoc, const CPDF_Annot* pPDFAnnot) {
CFX_ByteString cbSubType = pPDFAnnot->GetSubType();
if (cbSubType.Compare("3D") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_3DANNOT);
} else if (cbSubType.Compare("Screen") == 0) {
const CPDF_Dictionary* pAnnotDict = pPDFAnnot->GetAnnotDict();
CFX_ByteString cbString;
if (pAnnotDict->KeyExist("IT"))
cbString = pAnnotDict->GetStringBy("IT");
if (cbString.Compare("Img") != 0)
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SCREEN_MEDIA);
} else if (cbSubType.Compare("Movie") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_MOVIE);
} else if (cbSubType.Compare("Sound") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SOUND);
} else if (cbSubType.Compare("RichMedia") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SCREEN_RICHMEDIA);
} else if (cbSubType.Compare("FileAttachment") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_ATTACHMENT);
} else if (cbSubType.Compare("Widget") == 0) {
const CPDF_Dictionary* pAnnotDict = pPDFAnnot->GetAnnotDict();
CFX_ByteString cbString;
if (pAnnotDict->KeyExist("FT")) {
cbString = pAnnotDict->GetStringBy("FT");
}
if (cbString.Compare("Sig") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SIG);
}
}
}
FX_BOOL CheckSharedForm(const CXML_Element* pElement, CFX_ByteString cbName) {
int count = pElement->CountAttrs();
int i = 0;
for (i = 0; i < count; i++) {
CFX_ByteString space, name;
CFX_WideString value;
pElement->GetAttrByIndex(i, space, name, value);
if (space == "xmlns" && name == "adhocwf" &&
value == L"http://ns.adobe.com/AcrobatAdhocWorkflow/1.0/") {
CXML_Element* pVersion = pElement->GetElement("adhocwf", cbName);
if (!pVersion)
continue;
CFX_WideString wsContent = pVersion->GetContent(0); // == 1.1
int nType = wsContent.GetInteger();
switch (nType) {
case 1:
FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDFORM_ACROBAT);
break;
case 2:
FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDFORM_FILESYSTEM);
break;
case 0:
FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDFORM_EMAIL);
break;
}
}
}
FX_DWORD nCount = pElement->CountChildren();
for (i = 0; i < (int)nCount; i++) {
CXML_Element::ChildType childType = pElement->GetChildType(i);
if (childType == CXML_Element::Element) {
CXML_Element* pChild = pElement->GetElement(i);
if (CheckSharedForm(pChild, cbName))
return TRUE;
}
}
return FALSE;
}
void CheckUnSupportError(CPDF_Document* pDoc, FX_DWORD err_code) {
// Security
if (err_code == FPDF_ERR_SECURITY) {
FPDF_UnSupportError(FPDF_UNSP_DOC_SECURITY);
return;
}
if (!pDoc)
return;
// Portfolios and Packages
CPDF_Dictionary* pRootDict = pDoc->GetRoot();
if (pRootDict) {
CFX_ByteString cbString;
if (pRootDict->KeyExist("Collection")) {
FPDF_UnSupportError(FPDF_UNSP_DOC_PORTABLECOLLECTION);
return;
}
if (pRootDict->KeyExist("Names")) {
CPDF_Dictionary* pNameDict = pRootDict->GetDictBy("Names");
if (pNameDict && pNameDict->KeyExist("EmbeddedFiles")) {
FPDF_UnSupportError(FPDF_UNSP_DOC_ATTACHMENT);
return;
}
if (pNameDict && pNameDict->KeyExist("JavaScript")) {
CPDF_Dictionary* pJSDict = pNameDict->GetDictBy("JavaScript");
CPDF_Array* pArray = pJSDict ? pJSDict->GetArrayBy("Names") : NULL;
if (pArray) {
int nCount = pArray->GetCount();
for (int i = 0; i < nCount; i++) {
CFX_ByteString cbStr = pArray->GetStringAt(i);
if (cbStr.Compare("com.adobe.acrobat.SharedReview.Register") == 0) {
FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDREVIEW);
return;
}
}
}
}
}
}
// SharedForm
CPDF_Metadata metaData(pDoc);
const CXML_Element* pElement = metaData.GetRoot();
if (pElement)
CheckSharedForm(pElement, "workflowType");
// XFA Forms
CPDF_InterForm* pInterForm = new CPDF_InterForm(pDoc, FALSE);
if (pInterForm->HasXFAForm()) {
FPDF_UnSupportError(FPDF_UNSP_DOC_XFAFORM);
}
delete pInterForm;
}
DLLEXPORT int FPDFDoc_GetPageMode(FPDF_DOCUMENT document) {
CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
if (!pDoc)
return PAGEMODE_UNKNOWN;
CPDF_Dictionary* pRoot = pDoc->GetRoot();
if (!pRoot)
return PAGEMODE_UNKNOWN;
CPDF_Object* pName = pRoot->GetElement("PageMode");
if (!pName)
return PAGEMODE_USENONE;
CFX_ByteString strPageMode = pName->GetString();
if (strPageMode.IsEmpty() || strPageMode.EqualNoCase("UseNone"))
return PAGEMODE_USENONE;
if (strPageMode.EqualNoCase("UseOutlines"))
return PAGEMODE_USEOUTLINES;
if (strPageMode.EqualNoCase("UseThumbs"))
return PAGEMODE_USETHUMBS;
if (strPageMode.EqualNoCase("FullScreen"))
return PAGEMODE_FULLSCREEN;
if (strPageMode.EqualNoCase("UseOC"))
return PAGEMODE_USEOC;
if (strPageMode.EqualNoCase("UseAttachments"))
return PAGEMODE_USEATTACHMENTS;
return PAGEMODE_UNKNOWN;
}
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