1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "../include/fsdk_define.h" 8 #include "../include/fpdf_ext.h" 9 10 #define FPDFSDK_UNSUPPORT_CALL 100 11 12 class CFSDK_UnsupportInfo_Adapter 13 { 14 public: 15 CFSDK_UnsupportInfo_Adapter(UNSUPPORT_INFO* unsp_info){ m_unsp_info = unsp_info;} 16 // FX_BOOL NeedToPauseNow(); 17 void ReportError(int nErrorType); 18 19 private: 20 UNSUPPORT_INFO* m_unsp_info; 21 }; 22 23 void CFSDK_UnsupportInfo_Adapter::ReportError(int nErrorType) 24 { 25 if(m_unsp_info && m_unsp_info->FSDK_UnSupport_Handler) 26 { 27 m_unsp_info->FSDK_UnSupport_Handler(m_unsp_info,nErrorType); 28 } 29 } 30 31 void FreeUnsupportInfo(FX_LPVOID pData) 32 { 33 CFSDK_UnsupportInfo_Adapter * pAdapter = (CFSDK_UnsupportInfo_Adapter *)pData; 34 delete pAdapter; 35 } 36 37 FX_BOOL FPDF_UnSupportError(int nError) 38 { 39 CFSDK_UnsupportInfo_Adapter * pAdapter = (CFSDK_UnsupportInfo_Adapter *)CPDF_ModuleMgr::Get()->GetPrivateData((void *)FPDFSDK_UNSUPPORT_CALL); 40 41 if(!pAdapter) 42 return FALSE; 43 pAdapter->ReportError(nError); 44 return TRUE; 45 } 46 47 DLLEXPORT FPDF_BOOL STDCALL FSDK_SetUnSpObjProcessHandler(UNSUPPORT_INFO* unsp_info) 48 { 49 if (!unsp_info || unsp_info->version!=1) 50 return FALSE; 51 CFSDK_UnsupportInfo_Adapter * pAdapter = new CFSDK_UnsupportInfo_Adapter(unsp_info); 52 53 CPDF_ModuleMgr::Get()->SetPrivateData((void *)FPDFSDK_UNSUPPORT_CALL,pAdapter, &FreeUnsupportInfo); 54 55 return TRUE; 56 } 57 58 void CheckUnSupportAnnot(CPDF_Document * pDoc, CPDF_Annot* pPDFAnnot) 59 { 60 CFX_ByteString cbSubType = pPDFAnnot->GetSubType(); 61 if(cbSubType.Compare("3D") == 0) 62 { 63 FPDF_UnSupportError(FPDF_UNSP_ANNOT_3DANNOT); 64 } 65 else if(cbSubType.Compare("Screen") ==0) 66 { 67 CPDF_Dictionary* pAnnotDict = pPDFAnnot->m_pAnnotDict; 68 CFX_ByteString cbString; 69 if(pAnnotDict->KeyExist("IT")) 70 cbString = pAnnotDict->GetString("IT"); 71 if(cbString.Compare("Img") != 0) 72 FPDF_UnSupportError(FPDF_UNSP_ANNOT_SCREEN_MEDIA); 73 } 74 else if(cbSubType.Compare("Movie") ==0) 75 { 76 FPDF_UnSupportError(FPDF_UNSP_ANNOT_MOVIE); 77 } 78 else if(cbSubType.Compare("Sound") ==0) 79 { 80 FPDF_UnSupportError(FPDF_UNSP_ANNOT_SOUND); 81 } 82 else if(cbSubType.Compare("RichMedia") ==0) 83 { 84 FPDF_UnSupportError(FPDF_UNSP_ANNOT_SCREEN_RICHMEDIA); 85 } 86 else if(cbSubType.Compare("FileAttachment") ==0) 87 { 88 FPDF_UnSupportError(FPDF_UNSP_ANNOT_ATTACHMENT); 89 } 90 else if(cbSubType.Compare("Widget") ==0) 91 { 92 CPDF_Dictionary* pAnnotDict = pPDFAnnot->m_pAnnotDict; 93 CFX_ByteString cbString; 94 if(pAnnotDict->KeyExist("FT")) 95 { 96 cbString = pAnnotDict->GetString("FT"); 97 } 98 if(cbString.Compare("Sig") == 0) 99 { 100 FPDF_UnSupportError(FPDF_UNSP_ANNOT_SIG); 101 } 102 } 103 104 } 105 106 FX_BOOL CheckSharedForm(CXML_Element * pElement, CFX_ByteString cbName) 107 { 108 int count = pElement->CountAttrs(); 109 int i=0; 110 for (i = 0; i < count; i++) 111 { 112 CFX_ByteString space, name; 113 CFX_WideString value; 114 pElement->GetAttrByIndex(i, space, name, value); 115 if (space == FX_BSTRC("xmlns") && name == FX_BSTRC("adhocwf") && value == L"http://ns.adobe.com/AcrobatAdhocWorkflow/1.0/") 116 { 117 CXML_Element *pVersion = pElement->GetElement("adhocwf",cbName); 118 if (!pVersion) 119 continue; 120 CFX_WideString wsContent = pVersion->GetContent(0); // == 1.1 121 int nType = wsContent.GetInteger(); 122 switch(nType) 123 { 124 case 1: 125 FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDFORM_ACROBAT); 126 break; 127 case 2: 128 FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDFORM_FILESYSTEM); 129 break; 130 case 0: 131 FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDFORM_EMAIL); 132 break; 133 } 134 } 135 } 136 137 FX_DWORD nCount = pElement->CountChildren(); 138 for(i=0; i<(int)nCount; i++) 139 { 140 CXML_Element::ChildType childType = pElement->GetChildType(i); 141 if(childType == CXML_Element::Element) 142 { 143 CXML_Element * pChild = pElement->GetElement(i); 144 if(CheckSharedForm(pChild, cbName)) 145 return TRUE; 146 } 147 } 148 return FALSE; 149 } 150 151 void CheckUnSupportError(CPDF_Document * pDoc, FX_DWORD err_code) 152 { 153 // Security 154 if(err_code == FPDF_ERR_SECURITY) 155 { 156 FPDF_UnSupportError(FPDF_UNSP_DOC_SECURITY); 157 return ; 158 } 159 if(!pDoc) 160 return ; 161 162 // Portfolios and Packages 163 CPDF_Dictionary * pRootDict = pDoc->GetRoot(); 164 if(pRootDict) 165 { 166 CFX_ByteString cbString; 167 if(pRootDict->KeyExist("Collection")) 168 { 169 FPDF_UnSupportError(FPDF_UNSP_DOC_PORTABLECOLLECTION); 170 return ; 171 } 172 if(pRootDict->KeyExist("Names")) 173 { 174 CPDF_Dictionary* pNameDict = pRootDict->GetDict("Names"); 175 if(pNameDict->KeyExist("EmbeddedFiles")) 176 { 177 FPDF_UnSupportError(FPDF_UNSP_DOC_ATTACHMENT); 178 return; 179 } 180 else if(pNameDict->KeyExist("JavaScript")) 181 { 182 CPDF_Dictionary* pJSDict = pNameDict->GetDict("JavaScript"); 183 CPDF_Array * pArray = pJSDict->GetArray("Names"); 184 if (pArray) { 185 int nCount = pArray->GetCount(); 186 for(int i=0; i<nCount; i++) 187 { 188 CFX_ByteString cbStr = pArray->GetString(i); 189 if(cbStr.Compare("com.adobe.acrobat.SharedReview.Register") == 0) 190 { 191 FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDREVIEW); 192 return; 193 } 194 } 195 } 196 } 197 } 198 } 199 200 // SharedForm 201 CPDF_Metadata metaData; 202 metaData.LoadDoc(pDoc); 203 CXML_Element * pElement = metaData.GetRoot(); 204 if(pElement) 205 CheckSharedForm(pElement, "workflowType"); 206 207 208 // XFA Forms 209 CPDF_InterForm * pInterForm = FX_NEW CPDF_InterForm(pDoc,FALSE); 210 if (pInterForm) 211 { 212 if(pInterForm->HasXFAForm()) 213 { 214 FPDF_UnSupportError(FPDF_UNSP_DOC_XFAFORM); 215 } 216 delete pInterForm; 217 } 218 } 219 220 DLLEXPORT int FPDFDoc_GetPageMode(FPDF_DOCUMENT document) 221 { 222 if (!document) return PAGEMODE_UNKONOWN; 223 CPDF_Dictionary *pRoot = ((CPDF_Document*)document)->GetRoot(); 224 if (!pRoot) 225 return PAGEMODE_UNKONOWN; 226 CPDF_Object* pName = pRoot->GetElement("PageMode"); 227 if (!pName) 228 return PAGEMODE_USENONE; 229 CFX_ByteString strPageMode = pName->GetString(); 230 231 if (strPageMode.IsEmpty()||strPageMode.EqualNoCase(FX_BSTR("UseNone"))) 232 return PAGEMODE_USENONE; 233 else if (strPageMode.EqualNoCase(FX_BSTR("UseOutlines"))) 234 return PAGEMODE_USEOUTLINES; 235 else if (strPageMode.EqualNoCase(FX_BSTR("UseThumbs"))) 236 return PAGEMODE_USETHUMBS; 237 else if (strPageMode.EqualNoCase(FX_BSTR("FullScreen"))) 238 return PAGEMODE_FULLSCREEN; 239 else if (strPageMode.EqualNoCase(FX_BSTR("UseOC"))) 240 return PAGEMODE_USEOC; 241 else if (strPageMode.EqualNoCase(FX_BSTR("UseAttachments"))) 242 return PAGEMODE_USEATTACHMENTS; 243 244 return PAGEMODE_UNKONOWN; 245 } 246
