// 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/include/fsdk_actionhandler.h" #include <set> #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfdoc/include/cpdf_formfield.h" #include "core/fpdfdoc/include/cpdf_interform.h" #include "fpdfsdk/include/cpdfdoc_environment.h" #include "fpdfsdk/include/cpdfsdk_document.h" #include "fpdfsdk/include/cpdfsdk_interform.h" #include "fpdfsdk/include/fsdk_define.h" #include "fpdfsdk/javascript/ijs_context.h" #include "fpdfsdk/javascript/ijs_runtime.h" #include "third_party/base/stl_util.h" FX_BOOL CPDFSDK_ActionHandler::DoAction_DocOpen(const CPDF_Action& action, CPDFSDK_Document* pDocument) { std::set<CPDF_Dictionary*> visited; return ExecuteDocumentOpenAction(action, pDocument, &visited); } FX_BOOL CPDFSDK_ActionHandler::DoAction_JavaScript( const CPDF_Action& JsAction, CFX_WideString csJSName, CPDFSDK_Document* pDocument) { if (JsAction.GetType() == CPDF_Action::JavaScript) { CFX_WideString swJS = JsAction.GetJavaScript(); if (!swJS.IsEmpty()) { RunDocumentOpenJavaScript(pDocument, csJSName, swJS); return TRUE; } } return FALSE; } FX_BOOL CPDFSDK_ActionHandler::DoAction_FieldJavaScript( const CPDF_Action& JsAction, CPDF_AAction::AActionType type, CPDFSDK_Document* pDocument, CPDF_FormField* pFormField, PDFSDK_FieldAction& data) { CPDFDoc_Environment* pEnv = pDocument->GetEnv(); ASSERT(pEnv); if (pEnv->IsJSInitiated() && JsAction.GetType() == CPDF_Action::JavaScript) { CFX_WideString swJS = JsAction.GetJavaScript(); if (!swJS.IsEmpty()) { RunFieldJavaScript(pDocument, pFormField, type, data, swJS); return TRUE; } } return FALSE; } FX_BOOL CPDFSDK_ActionHandler::DoAction_Page( const CPDF_Action& action, enum CPDF_AAction::AActionType eType, CPDFSDK_Document* pDocument) { std::set<CPDF_Dictionary*> visited; return ExecuteDocumentPageAction(action, eType, pDocument, &visited); } FX_BOOL CPDFSDK_ActionHandler::DoAction_Document( const CPDF_Action& action, enum CPDF_AAction::AActionType eType, CPDFSDK_Document* pDocument) { std::set<CPDF_Dictionary*> visited; return ExecuteDocumentPageAction(action, eType, pDocument, &visited); } FX_BOOL CPDFSDK_ActionHandler::DoAction_BookMark(CPDF_Bookmark* pBookMark, const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_Document* pDocument) { std::set<CPDF_Dictionary*> visited; return ExecuteBookMark(action, pDocument, pBookMark, &visited); } FX_BOOL CPDFSDK_ActionHandler::DoAction_Screen(const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_Document* pDocument, CPDFSDK_Annot* pScreen) { std::set<CPDF_Dictionary*> visited; return ExecuteScreenAction(action, type, pDocument, pScreen, &visited); } FX_BOOL CPDFSDK_ActionHandler::DoAction_Link(const CPDF_Action& action, CPDFSDK_Document* pDocument) { std::set<CPDF_Dictionary*> visited; return ExecuteLinkAction(action, pDocument, &visited); } FX_BOOL CPDFSDK_ActionHandler::DoAction_Field(const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_Document* pDocument, CPDF_FormField* pFormField, PDFSDK_FieldAction& data) { std::set<CPDF_Dictionary*> visited; return ExecuteFieldAction(action, type, pDocument, pFormField, data, &visited); } FX_BOOL CPDFSDK_ActionHandler::ExecuteDocumentOpenAction( const CPDF_Action& action, CPDFSDK_Document* pDocument, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return FALSE; visited->insert(pDict); CPDFDoc_Environment* pEnv = pDocument->GetEnv(); ASSERT(pEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { RunDocumentOpenJavaScript(pDocument, L"", swJS); } } } else { DoAction_NoJs(action, pDocument); } for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteDocumentOpenAction(subaction, pDocument, visited)) return FALSE; } return TRUE; } FX_BOOL CPDFSDK_ActionHandler::ExecuteLinkAction( const CPDF_Action& action, CPDFSDK_Document* pDocument, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return FALSE; visited->insert(pDict); CPDFDoc_Environment* pEnv = pDocument->GetEnv(); ASSERT(pEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { IJS_Runtime* pRuntime = pDocument->GetJsRuntime(); pRuntime->SetReaderDocument(pDocument); IJS_Context* pContext = pRuntime->NewContext(); pContext->OnLink_MouseUp(pDocument); CFX_WideString csInfo; FX_BOOL bRet = pContext->RunScript(swJS, &csInfo); if (!bRet) { // FIXME: return error. } pRuntime->ReleaseContext(pContext); } } } else { DoAction_NoJs(action, pDocument); } for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteLinkAction(subaction, pDocument, visited)) return FALSE; } return TRUE; } FX_BOOL CPDFSDK_ActionHandler::ExecuteDocumentPageAction( const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_Document* pDocument, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return FALSE; visited->insert(pDict); CPDFDoc_Environment* pEnv = pDocument->GetEnv(); ASSERT(pEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { RunDocumentPageJavaScript(pDocument, type, swJS); } } } else { DoAction_NoJs(action, pDocument); } if (!IsValidDocView(pDocument)) return FALSE; for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteDocumentPageAction(subaction, type, pDocument, visited)) return FALSE; } return TRUE; } FX_BOOL CPDFSDK_ActionHandler::IsValidField(CPDFSDK_Document* pDocument, CPDF_Dictionary* pFieldDict) { ASSERT(pFieldDict); CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm(); CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm(); return !!pPDFInterForm->GetFieldByDict(pFieldDict); } FX_BOOL CPDFSDK_ActionHandler::ExecuteFieldAction( const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_Document* pDocument, CPDF_FormField* pFormField, PDFSDK_FieldAction& data, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return FALSE; visited->insert(pDict); CPDFDoc_Environment* pEnv = pDocument->GetEnv(); ASSERT(pEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { RunFieldJavaScript(pDocument, pFormField, type, data, swJS); if (!IsValidField(pDocument, pFormField->GetFieldDict())) return FALSE; } } } else { DoAction_NoJs(action, pDocument); } for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteFieldAction(subaction, type, pDocument, pFormField, data, visited)) return FALSE; } return TRUE; } FX_BOOL CPDFSDK_ActionHandler::ExecuteScreenAction( const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_Document* pDocument, CPDFSDK_Annot* pScreen, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return FALSE; visited->insert(pDict); CPDFDoc_Environment* pEnv = pDocument->GetEnv(); ASSERT(pEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { IJS_Runtime* pRuntime = pDocument->GetJsRuntime(); pRuntime->SetReaderDocument(pDocument); IJS_Context* pContext = pRuntime->NewContext(); CFX_WideString csInfo; FX_BOOL bRet = pContext->RunScript(swJS, &csInfo); if (!bRet) { // FIXME: return error. } pRuntime->ReleaseContext(pContext); } } } else { DoAction_NoJs(action, pDocument); } for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteScreenAction(subaction, type, pDocument, pScreen, visited)) return FALSE; } return TRUE; } FX_BOOL CPDFSDK_ActionHandler::ExecuteBookMark( const CPDF_Action& action, CPDFSDK_Document* pDocument, CPDF_Bookmark* pBookmark, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return FALSE; visited->insert(pDict); CPDFDoc_Environment* pEnv = pDocument->GetEnv(); ASSERT(pEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { IJS_Runtime* pRuntime = pDocument->GetJsRuntime(); pRuntime->SetReaderDocument(pDocument); IJS_Context* pContext = pRuntime->NewContext(); pContext->OnBookmark_MouseUp(pBookmark); CFX_WideString csInfo; FX_BOOL bRet = pContext->RunScript(swJS, &csInfo); if (!bRet) { // FIXME: return error. } pRuntime->ReleaseContext(pContext); } } } else { DoAction_NoJs(action, pDocument); } for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteBookMark(subaction, pDocument, pBookmark, visited)) return FALSE; } return TRUE; } void CPDFSDK_ActionHandler::DoAction_NoJs(const CPDF_Action& action, CPDFSDK_Document* pDocument) { ASSERT(pDocument); switch (action.GetType()) { case CPDF_Action::GoTo: DoAction_GoTo(pDocument, action); break; case CPDF_Action::GoToR: DoAction_GoToR(pDocument, action); break; case CPDF_Action::GoToE: break; case CPDF_Action::Launch: DoAction_Launch(pDocument, action); break; case CPDF_Action::Thread: break; case CPDF_Action::URI: DoAction_URI(pDocument, action); break; case CPDF_Action::Sound: break; case CPDF_Action::Movie: break; case CPDF_Action::Hide: DoAction_Hide(action, pDocument); break; case CPDF_Action::Named: DoAction_Named(pDocument, action); break; case CPDF_Action::SubmitForm: DoAction_SubmitForm(action, pDocument); break; case CPDF_Action::ResetForm: DoAction_ResetForm(action, pDocument); break; case CPDF_Action::ImportData: DoAction_ImportData(action, pDocument); break; case CPDF_Action::JavaScript: ASSERT(FALSE); break; case CPDF_Action::SetOCGState: DoAction_SetOCGState(pDocument, action); break; case CPDF_Action::Rendition: break; case CPDF_Action::Trans: break; case CPDF_Action::GoTo3DView: break; default: break; } } FX_BOOL CPDFSDK_ActionHandler::IsValidDocView(CPDFSDK_Document* pDocument) { ASSERT(pDocument); return TRUE; } void CPDFSDK_ActionHandler::DoAction_GoTo(CPDFSDK_Document* pDocument, const CPDF_Action& action) { ASSERT(action.GetDict()); CPDF_Document* pPDFDocument = pDocument->GetPDFDocument(); ASSERT(pPDFDocument); CPDF_Dest MyDest = action.GetDest(pPDFDocument); int nPageIndex = MyDest.GetPageIndex(pPDFDocument); int nFitType = MyDest.GetZoomMode(); const CPDF_Array* pMyArray = ToArray(MyDest.GetObject()); float* pPosAry = nullptr; int sizeOfAry = 0; if (pMyArray) { pPosAry = new float[pMyArray->GetCount()]; int j = 0; for (size_t i = 2; i < pMyArray->GetCount(); i++) { pPosAry[j++] = pMyArray->GetFloatAt(i); } sizeOfAry = j; } CPDFDoc_Environment* pApp = pDocument->GetEnv(); pApp->FFI_DoGoToAction(nPageIndex, nFitType, pPosAry, sizeOfAry); delete[] pPosAry; } void CPDFSDK_ActionHandler::DoAction_GoToR(CPDFSDK_Document* pDocument, const CPDF_Action& action) {} void CPDFSDK_ActionHandler::DoAction_Launch(CPDFSDK_Document* pDocument, const CPDF_Action& action) {} void CPDFSDK_ActionHandler::DoAction_URI(CPDFSDK_Document* pDocument, const CPDF_Action& action) { ASSERT(action.GetDict()); CPDFDoc_Environment* pApp = pDocument->GetEnv(); CFX_ByteString sURI = action.GetURI(pDocument->GetPDFDocument()); pApp->FFI_DoURIAction(sURI.c_str()); } void CPDFSDK_ActionHandler::DoAction_Named(CPDFSDK_Document* pDocument, const CPDF_Action& action) { ASSERT(action.GetDict()); CFX_ByteString csName = action.GetNamedAction(); pDocument->GetEnv()->FFI_ExecuteNamedAction(csName.c_str()); } void CPDFSDK_ActionHandler::DoAction_SetOCGState(CPDFSDK_Document* pDocument, const CPDF_Action& action) {} void CPDFSDK_ActionHandler::RunFieldJavaScript(CPDFSDK_Document* pDocument, CPDF_FormField* pFormField, CPDF_AAction::AActionType type, PDFSDK_FieldAction& data, const CFX_WideString& script) { ASSERT(type != CPDF_AAction::Calculate); ASSERT(type != CPDF_AAction::Format); IJS_Runtime* pRuntime = pDocument->GetJsRuntime(); pRuntime->SetReaderDocument(pDocument); IJS_Context* pContext = pRuntime->NewContext(); switch (type) { case CPDF_AAction::CursorEnter: pContext->OnField_MouseEnter(data.bModifier, data.bShift, pFormField); break; case CPDF_AAction::CursorExit: pContext->OnField_MouseExit(data.bModifier, data.bShift, pFormField); break; case CPDF_AAction::ButtonDown: pContext->OnField_MouseDown(data.bModifier, data.bShift, pFormField); break; case CPDF_AAction::ButtonUp: pContext->OnField_MouseUp(data.bModifier, data.bShift, pFormField); break; case CPDF_AAction::GetFocus: pContext->OnField_Focus(data.bModifier, data.bShift, pFormField, data.sValue); break; case CPDF_AAction::LoseFocus: pContext->OnField_Blur(data.bModifier, data.bShift, pFormField, data.sValue); break; case CPDF_AAction::KeyStroke: pContext->OnField_Keystroke(data.sChange, data.sChangeEx, data.bKeyDown, data.bModifier, data.nSelEnd, data.nSelStart, data.bShift, pFormField, data.sValue, data.bWillCommit, data.bFieldFull, data.bRC); break; case CPDF_AAction::Validate: pContext->OnField_Validate(data.sChange, data.sChangeEx, data.bKeyDown, data.bModifier, data.bShift, pFormField, data.sValue, data.bRC); break; default: ASSERT(FALSE); break; } CFX_WideString csInfo; FX_BOOL bRet = pContext->RunScript(script, &csInfo); if (!bRet) { // FIXME: return error. } pRuntime->ReleaseContext(pContext); } void CPDFSDK_ActionHandler::RunDocumentOpenJavaScript( CPDFSDK_Document* pDocument, const CFX_WideString& sScriptName, const CFX_WideString& script) { IJS_Runtime* pRuntime = pDocument->GetJsRuntime(); pRuntime->SetReaderDocument(pDocument); IJS_Context* pContext = pRuntime->NewContext(); pContext->OnDoc_Open(pDocument, sScriptName); CFX_WideString csInfo; FX_BOOL bRet = pContext->RunScript(script, &csInfo); if (!bRet) { // FIXME: return error. } pRuntime->ReleaseContext(pContext); } void CPDFSDK_ActionHandler::RunDocumentPageJavaScript( CPDFSDK_Document* pDocument, CPDF_AAction::AActionType type, const CFX_WideString& script) { IJS_Runtime* pRuntime = pDocument->GetJsRuntime(); pRuntime->SetReaderDocument(pDocument); IJS_Context* pContext = pRuntime->NewContext(); switch (type) { case CPDF_AAction::OpenPage: pContext->OnPage_Open(pDocument); break; case CPDF_AAction::ClosePage: pContext->OnPage_Close(pDocument); break; case CPDF_AAction::CloseDocument: pContext->OnDoc_WillClose(pDocument); break; case CPDF_AAction::SaveDocument: pContext->OnDoc_WillSave(pDocument); break; case CPDF_AAction::DocumentSaved: pContext->OnDoc_DidSave(pDocument); break; case CPDF_AAction::PrintDocument: pContext->OnDoc_WillPrint(pDocument); break; case CPDF_AAction::DocumentPrinted: pContext->OnDoc_DidPrint(pDocument); break; case CPDF_AAction::PageVisible: pContext->OnPage_InView(pDocument); break; case CPDF_AAction::PageInvisible: pContext->OnPage_OutView(pDocument); break; default: ASSERT(FALSE); break; } CFX_WideString csInfo; FX_BOOL bRet = pContext->RunScript(script, &csInfo); if (!bRet) { // FIXME: return error. } pRuntime->ReleaseContext(pContext); } FX_BOOL CPDFSDK_ActionHandler::DoAction_Hide(const CPDF_Action& action, CPDFSDK_Document* pDocument) { CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm(); if (pInterForm->DoAction_Hide(action)) { pDocument->SetChangeMark(); return TRUE; } return FALSE; } FX_BOOL CPDFSDK_ActionHandler::DoAction_SubmitForm( const CPDF_Action& action, CPDFSDK_Document* pDocument) { CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm(); return pInterForm->DoAction_SubmitForm(action); } FX_BOOL CPDFSDK_ActionHandler::DoAction_ResetForm(const CPDF_Action& action, CPDFSDK_Document* pDocument) { CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm(); return pInterForm->DoAction_ResetForm(action); } FX_BOOL CPDFSDK_ActionHandler::DoAction_ImportData( const CPDF_Action& action, CPDFSDK_Document* pDocument) { CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm(); if (pInterForm->DoAction_ImportData(action)) { pDocument->SetChangeMark(); return TRUE; } return FALSE; }