// 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 "../../core/include/fxcrt/fx_xml.h" #include "../../public/fpdf_ext.h" #include "../include/fsdk_define.h" #include "../include/fpdfxfa/fpdfxfa_doc.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, 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) { CPDF_Dictionary* pAnnotDict = pPDFAnnot->GetAnnotDict(); CFX_ByteString cbString; if(pAnnotDict->KeyExist("IT")) cbString = pAnnotDict->GetString("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) { CPDF_Dictionary* pAnnotDict = pPDFAnnot->GetAnnotDict(); CFX_ByteString cbString; if(pAnnotDict->KeyExist("FT")) { cbString = pAnnotDict->GetString("FT"); } if(cbString.Compare("Sig") == 0) { FPDF_UnSupportError(FPDF_UNSP_ANNOT_SIG); } } } FX_BOOL CheckSharedForm(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 == FX_BSTRC("xmlns") && name == FX_BSTRC("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->GetDict("Names"); if (pNameDict && pNameDict->KeyExist("EmbeddedFiles")) { FPDF_UnSupportError(FPDF_UNSP_DOC_ATTACHMENT); return; } else if (pNameDict && pNameDict->KeyExist("JavaScript")) { CPDF_Dictionary* pJSDict = pNameDict->GetDict("JavaScript"); CPDF_Array * pArray = pJSDict ? pJSDict->GetArray("Names") : NULL; if (pArray) { int nCount = pArray->GetCount(); for(int i=0; i<nCount; i++) { CFX_ByteString cbStr = pArray->GetString(i); if(cbStr.Compare("com.adobe.acrobat.SharedReview.Register") == 0) { FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDREVIEW); return; } } } } } } // SharedForm CPDF_Metadata metaData; metaData.LoadDoc(pDoc); CXML_Element * pElement = metaData.GetRoot(); if(pElement) CheckSharedForm(pElement, "workflowType"); } DLLEXPORT int FPDFDoc_GetPageMode(FPDF_DOCUMENT document) { if (!document) return PAGEMODE_UNKNOWN; CPDF_Dictionary *pRoot = (((CPDFXFA_Document*)document)->GetPDFDoc())->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; }