// 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/fsdk_actionhandler.h" #include <set> #include <vector> #include "core/fpdfapi/parser/cpdf_array.h" #include "core/fpdfdoc/cpdf_formfield.h" #include "core/fpdfdoc/cpdf_interform.h" #include "fpdfsdk/cpdfsdk_formfillenvironment.h" #include "fpdfsdk/cpdfsdk_interform.h" #include "fpdfsdk/fsdk_define.h" #include "fpdfsdk/javascript/ijs_event_context.h" #include "fpdfsdk/javascript/ijs_runtime.h" #include "third_party/base/logging.h" #include "third_party/base/stl_util.h" bool CPDFSDK_ActionHandler::DoAction_DocOpen( const CPDF_Action& action, CPDFSDK_FormFillEnvironment* pFormFillEnv) { std::set<CPDF_Dictionary*> visited; return ExecuteDocumentOpenAction(action, pFormFillEnv, &visited); } bool CPDFSDK_ActionHandler::DoAction_JavaScript( const CPDF_Action& JsAction, CFX_WideString csJSName, CPDFSDK_FormFillEnvironment* pFormFillEnv) { if (JsAction.GetType() == CPDF_Action::JavaScript) { CFX_WideString swJS = JsAction.GetJavaScript(); if (!swJS.IsEmpty()) { RunDocumentOpenJavaScript(pFormFillEnv, csJSName, swJS); return true; } } return false; } bool CPDFSDK_ActionHandler::DoAction_FieldJavaScript( const CPDF_Action& JsAction, CPDF_AAction::AActionType type, CPDFSDK_FormFillEnvironment* pFormFillEnv, CPDF_FormField* pFormField, PDFSDK_FieldAction& data) { ASSERT(pFormFillEnv); if (pFormFillEnv->IsJSInitiated() && JsAction.GetType() == CPDF_Action::JavaScript) { CFX_WideString swJS = JsAction.GetJavaScript(); if (!swJS.IsEmpty()) { RunFieldJavaScript(pFormFillEnv, pFormField, type, data, swJS); return true; } } return false; } bool CPDFSDK_ActionHandler::DoAction_Page( const CPDF_Action& action, enum CPDF_AAction::AActionType eType, CPDFSDK_FormFillEnvironment* pFormFillEnv) { std::set<CPDF_Dictionary*> visited; return ExecuteDocumentPageAction(action, eType, pFormFillEnv, &visited); } bool CPDFSDK_ActionHandler::DoAction_Document( const CPDF_Action& action, enum CPDF_AAction::AActionType eType, CPDFSDK_FormFillEnvironment* pFormFillEnv) { std::set<CPDF_Dictionary*> visited; return ExecuteDocumentPageAction(action, eType, pFormFillEnv, &visited); } bool CPDFSDK_ActionHandler::DoAction_BookMark( CPDF_Bookmark* pBookMark, const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_FormFillEnvironment* pFormFillEnv) { std::set<CPDF_Dictionary*> visited; return ExecuteBookMark(action, pFormFillEnv, pBookMark, &visited); } bool CPDFSDK_ActionHandler::DoAction_Screen( const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_FormFillEnvironment* pFormFillEnv, CPDFSDK_Annot* pScreen) { std::set<CPDF_Dictionary*> visited; return ExecuteScreenAction(action, type, pFormFillEnv, pScreen, &visited); } bool CPDFSDK_ActionHandler::DoAction_Link( const CPDF_Action& action, CPDFSDK_FormFillEnvironment* pFormFillEnv) { std::set<CPDF_Dictionary*> visited; return ExecuteLinkAction(action, pFormFillEnv, &visited); } bool CPDFSDK_ActionHandler::DoAction_Field( const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_FormFillEnvironment* pFormFillEnv, CPDF_FormField* pFormField, PDFSDK_FieldAction& data) { std::set<CPDF_Dictionary*> visited; return ExecuteFieldAction(action, type, pFormFillEnv, pFormField, data, &visited); } bool CPDFSDK_ActionHandler::ExecuteDocumentOpenAction( const CPDF_Action& action, CPDFSDK_FormFillEnvironment* pFormFillEnv, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return false; visited->insert(pDict); ASSERT(pFormFillEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pFormFillEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { RunDocumentOpenJavaScript(pFormFillEnv, L"", swJS); } } } else { DoAction_NoJs(action, pFormFillEnv); } for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteDocumentOpenAction(subaction, pFormFillEnv, visited)) return false; } return true; } bool CPDFSDK_ActionHandler::ExecuteLinkAction( const CPDF_Action& action, CPDFSDK_FormFillEnvironment* pFormFillEnv, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return false; visited->insert(pDict); ASSERT(pFormFillEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pFormFillEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { IJS_Runtime* pRuntime = pFormFillEnv->GetJSRuntime(); IJS_EventContext* pContext = pRuntime->NewEventContext(); pContext->OnLink_MouseUp(pFormFillEnv); CFX_WideString csInfo; bool bRet = pContext->RunScript(swJS, &csInfo); pRuntime->ReleaseEventContext(pContext); if (!bRet) { // FIXME: return error. } } } } else { DoAction_NoJs(action, pFormFillEnv); } for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteLinkAction(subaction, pFormFillEnv, visited)) return false; } return true; } bool CPDFSDK_ActionHandler::ExecuteDocumentPageAction( const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_FormFillEnvironment* pFormFillEnv, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return false; visited->insert(pDict); ASSERT(pFormFillEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pFormFillEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { RunDocumentPageJavaScript(pFormFillEnv, type, swJS); } } } else { DoAction_NoJs(action, pFormFillEnv); } if (!IsValidDocView(pFormFillEnv)) return false; for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteDocumentPageAction(subaction, type, pFormFillEnv, visited)) return false; } return true; } bool CPDFSDK_ActionHandler::IsValidField( CPDFSDK_FormFillEnvironment* pFormFillEnv, CPDF_Dictionary* pFieldDict) { ASSERT(pFieldDict); CPDFSDK_InterForm* pInterForm = pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm(); return !!pPDFInterForm->GetFieldByDict(pFieldDict); } bool CPDFSDK_ActionHandler::ExecuteFieldAction( const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_FormFillEnvironment* pFormFillEnv, 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); ASSERT(pFormFillEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pFormFillEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { RunFieldJavaScript(pFormFillEnv, pFormField, type, data, swJS); if (!IsValidField(pFormFillEnv, pFormField->GetFieldDict())) return false; } } } else { DoAction_NoJs(action, pFormFillEnv); } for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteFieldAction(subaction, type, pFormFillEnv, pFormField, data, visited)) return false; } return true; } bool CPDFSDK_ActionHandler::ExecuteScreenAction( const CPDF_Action& action, CPDF_AAction::AActionType type, CPDFSDK_FormFillEnvironment* pFormFillEnv, CPDFSDK_Annot* pScreen, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return false; visited->insert(pDict); ASSERT(pFormFillEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pFormFillEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { IJS_Runtime* pRuntime = pFormFillEnv->GetJSRuntime(); IJS_EventContext* pContext = pRuntime->NewEventContext(); CFX_WideString csInfo; bool bRet = pContext->RunScript(swJS, &csInfo); pRuntime->ReleaseEventContext(pContext); if (!bRet) { // FIXME: return error. } } } } else { DoAction_NoJs(action, pFormFillEnv); } for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteScreenAction(subaction, type, pFormFillEnv, pScreen, visited)) return false; } return true; } bool CPDFSDK_ActionHandler::ExecuteBookMark( const CPDF_Action& action, CPDFSDK_FormFillEnvironment* pFormFillEnv, CPDF_Bookmark* pBookmark, std::set<CPDF_Dictionary*>* visited) { CPDF_Dictionary* pDict = action.GetDict(); if (pdfium::ContainsKey(*visited, pDict)) return false; visited->insert(pDict); ASSERT(pFormFillEnv); if (action.GetType() == CPDF_Action::JavaScript) { if (pFormFillEnv->IsJSInitiated()) { CFX_WideString swJS = action.GetJavaScript(); if (!swJS.IsEmpty()) { IJS_Runtime* pRuntime = pFormFillEnv->GetJSRuntime(); IJS_EventContext* pContext = pRuntime->NewEventContext(); pContext->OnBookmark_MouseUp(pBookmark); CFX_WideString csInfo; bool bRet = pContext->RunScript(swJS, &csInfo); pRuntime->ReleaseEventContext(pContext); if (!bRet) { // FIXME: return error. } } } } else { DoAction_NoJs(action, pFormFillEnv); } for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) { CPDF_Action subaction = action.GetSubAction(i); if (!ExecuteBookMark(subaction, pFormFillEnv, pBookmark, visited)) return false; } return true; } void CPDFSDK_ActionHandler::DoAction_NoJs( const CPDF_Action& action, CPDFSDK_FormFillEnvironment* pFormFillEnv) { ASSERT(pFormFillEnv); switch (action.GetType()) { case CPDF_Action::GoTo: DoAction_GoTo(pFormFillEnv, action); break; case CPDF_Action::GoToR: DoAction_GoToR(pFormFillEnv, action); break; case CPDF_Action::GoToE: break; case CPDF_Action::Launch: DoAction_Launch(pFormFillEnv, action); break; case CPDF_Action::Thread: break; case CPDF_Action::URI: DoAction_URI(pFormFillEnv, action); break; case CPDF_Action::Sound: break; case CPDF_Action::Movie: break; case CPDF_Action::Hide: DoAction_Hide(action, pFormFillEnv); break; case CPDF_Action::Named: DoAction_Named(pFormFillEnv, action); break; case CPDF_Action::SubmitForm: DoAction_SubmitForm(action, pFormFillEnv); break; case CPDF_Action::ResetForm: DoAction_ResetForm(action, pFormFillEnv); break; case CPDF_Action::ImportData: DoAction_ImportData(action, pFormFillEnv); break; case CPDF_Action::JavaScript: NOTREACHED(); break; case CPDF_Action::SetOCGState: DoAction_SetOCGState(pFormFillEnv, action); break; case CPDF_Action::Rendition: break; case CPDF_Action::Trans: break; case CPDF_Action::GoTo3DView: break; default: break; } } bool CPDFSDK_ActionHandler::IsValidDocView( CPDFSDK_FormFillEnvironment* pFormFillEnv) { ASSERT(pFormFillEnv); return true; } void CPDFSDK_ActionHandler::DoAction_GoTo( CPDFSDK_FormFillEnvironment* pFormFillEnv, const CPDF_Action& action) { ASSERT(action.GetDict()); CPDF_Document* pPDFDocument = pFormFillEnv->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()); std::vector<float> posArray; if (pMyArray) { for (size_t i = 2; i < pMyArray->GetCount(); i++) posArray.push_back(pMyArray->GetFloatAt(i)); } pFormFillEnv->DoGoToAction(nPageIndex, nFitType, posArray.data(), posArray.size()); } void CPDFSDK_ActionHandler::DoAction_GoToR( CPDFSDK_FormFillEnvironment* pFormFillEnv, const CPDF_Action& action) {} void CPDFSDK_ActionHandler::DoAction_Launch( CPDFSDK_FormFillEnvironment* pFormFillEnv, const CPDF_Action& action) {} void CPDFSDK_ActionHandler::DoAction_URI( CPDFSDK_FormFillEnvironment* pFormFillEnv, const CPDF_Action& action) { ASSERT(action.GetDict()); CFX_ByteString sURI = action.GetURI(pFormFillEnv->GetPDFDocument()); pFormFillEnv->DoURIAction(sURI.c_str()); } void CPDFSDK_ActionHandler::DoAction_Named( CPDFSDK_FormFillEnvironment* pFormFillEnv, const CPDF_Action& action) { ASSERT(action.GetDict()); CFX_ByteString csName = action.GetNamedAction(); pFormFillEnv->ExecuteNamedAction(csName.c_str()); } void CPDFSDK_ActionHandler::DoAction_SetOCGState( CPDFSDK_FormFillEnvironment* pFormFillEnv, const CPDF_Action& action) {} void CPDFSDK_ActionHandler::RunFieldJavaScript( CPDFSDK_FormFillEnvironment* pFormFillEnv, 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 = pFormFillEnv->GetJSRuntime(); IJS_EventContext* pContext = pRuntime->NewEventContext(); 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: NOTREACHED(); break; } CFX_WideString csInfo; bool bRet = pContext->RunScript(script, &csInfo); pRuntime->ReleaseEventContext(pContext); if (!bRet) { // FIXME: return error. } } void CPDFSDK_ActionHandler::RunDocumentOpenJavaScript( CPDFSDK_FormFillEnvironment* pFormFillEnv, const CFX_WideString& sScriptName, const CFX_WideString& script) { IJS_Runtime* pRuntime = pFormFillEnv->GetJSRuntime(); IJS_EventContext* pContext = pRuntime->NewEventContext(); pContext->OnDoc_Open(pFormFillEnv, sScriptName); CFX_WideString csInfo; bool bRet = pContext->RunScript(script, &csInfo); pRuntime->ReleaseEventContext(pContext); if (!bRet) { // FIXME: return error. } } void CPDFSDK_ActionHandler::RunDocumentPageJavaScript( CPDFSDK_FormFillEnvironment* pFormFillEnv, CPDF_AAction::AActionType type, const CFX_WideString& script) { IJS_Runtime* pRuntime = pFormFillEnv->GetJSRuntime(); IJS_EventContext* pContext = pRuntime->NewEventContext(); switch (type) { case CPDF_AAction::OpenPage: pContext->OnPage_Open(pFormFillEnv); break; case CPDF_AAction::ClosePage: pContext->OnPage_Close(pFormFillEnv); break; case CPDF_AAction::CloseDocument: pContext->OnDoc_WillClose(pFormFillEnv); break; case CPDF_AAction::SaveDocument: pContext->OnDoc_WillSave(pFormFillEnv); break; case CPDF_AAction::DocumentSaved: pContext->OnDoc_DidSave(pFormFillEnv); break; case CPDF_AAction::PrintDocument: pContext->OnDoc_WillPrint(pFormFillEnv); break; case CPDF_AAction::DocumentPrinted: pContext->OnDoc_DidPrint(pFormFillEnv); break; case CPDF_AAction::PageVisible: pContext->OnPage_InView(pFormFillEnv); break; case CPDF_AAction::PageInvisible: pContext->OnPage_OutView(pFormFillEnv); break; default: NOTREACHED(); break; } CFX_WideString csInfo; bool bRet = pContext->RunScript(script, &csInfo); pRuntime->ReleaseEventContext(pContext); if (!bRet) { // FIXME: return error. } } bool CPDFSDK_ActionHandler::DoAction_Hide( const CPDF_Action& action, CPDFSDK_FormFillEnvironment* pFormFillEnv) { CPDFSDK_InterForm* pInterForm = pFormFillEnv->GetInterForm(); if (pInterForm->DoAction_Hide(action)) { pFormFillEnv->SetChangeMark(); return true; } return false; } bool CPDFSDK_ActionHandler::DoAction_SubmitForm( const CPDF_Action& action, CPDFSDK_FormFillEnvironment* pFormFillEnv) { CPDFSDK_InterForm* pInterForm = pFormFillEnv->GetInterForm(); return pInterForm->DoAction_SubmitForm(action); } bool CPDFSDK_ActionHandler::DoAction_ResetForm( const CPDF_Action& action, CPDFSDK_FormFillEnvironment* pFormFillEnv) { CPDFSDK_InterForm* pInterForm = pFormFillEnv->GetInterForm(); return pInterForm->DoAction_ResetForm(action); } bool CPDFSDK_ActionHandler::DoAction_ImportData( const CPDF_Action& action, CPDFSDK_FormFillEnvironment* pFormFillEnv) { CPDFSDK_InterForm* pInterForm = pFormFillEnv->GetInterForm(); if (pInterForm->DoAction_ImportData(action)) { pFormFillEnv->SetChangeMark(); return true; } return false; }