// 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 "fxjs/cjs_app.h" #include <utility> #include "fpdfsdk/cpdfsdk_interform.h" #include "fxjs/cjs_document.h" #include "fxjs/cjs_timerobj.h" #include "fxjs/global_timer.h" #include "fxjs/ijs_event_context.h" #include "fxjs/js_resources.h" #ifdef PDF_ENABLE_XFA #include "fpdfsdk/fpdfxfa/cpdfxfa_context.h" #endif // PDF_ENABLE_XFA namespace { bool IsTypeKnown(v8::Local<v8::Value> value) { return !value.IsEmpty() && (value->IsString() || value->IsNumber() || value->IsBoolean() || value->IsDate() || value->IsObject() || value->IsNull() || value->IsUndefined()); } } // namespace #define JS_STR_VIEWERTYPE L"pdfium" #define JS_STR_VIEWERVARIATION L"Full" #define JS_STR_PLATFORM L"WIN" #define JS_STR_LANGUAGE L"ENU" #define JS_NUM_VIEWERVERSION 8 #ifdef PDF_ENABLE_XFA #define JS_NUM_VIEWERVERSION_XFA 11 #endif // PDF_ENABLE_XFA #define JS_NUM_FORMSVERSION 7 const JSPropertySpec CJS_App::PropertySpecs[] = { {"activeDocs", get_active_docs_static, set_active_docs_static}, {"calculate", get_calculate_static, set_calculate_static}, {"formsVersion", get_forms_version_static, set_forms_version_static}, {"fs", get_fs_static, set_fs_static}, {"fullscreen", get_fullscreen_static, set_fullscreen_static}, {"language", get_language_static, set_language_static}, {"media", get_media_static, set_media_static}, {"platform", get_platform_static, set_platform_static}, {"runtimeHighlight", get_runtime_highlight_static, set_runtime_highlight_static}, {"viewerType", get_viewer_type_static, set_viewer_type_static}, {"viewerVariation", get_viewer_variation_static, set_viewer_variation_static}, {"viewerVersion", get_viewer_version_static, set_viewer_version_static}}; const JSMethodSpec CJS_App::MethodSpecs[] = { {"alert", alert_static}, {"beep", beep_static}, {"browseForDoc", browseForDoc_static}, {"clearInterval", clearInterval_static}, {"clearTimeOut", clearTimeOut_static}, {"execDialog", execDialog_static}, {"execMenuItem", execMenuItem_static}, {"findComponent", findComponent_static}, {"goBack", goBack_static}, {"goForward", goForward_static}, {"launchURL", launchURL_static}, {"mailMsg", mailMsg_static}, {"newFDF", newFDF_static}, {"newDoc", newDoc_static}, {"openDoc", openDoc_static}, {"openFDF", openFDF_static}, {"popUpMenuEx", popUpMenuEx_static}, {"popUpMenu", popUpMenu_static}, {"response", response_static}, {"setInterval", setInterval_static}, {"setTimeOut", setTimeOut_static}}; int CJS_App::ObjDefnID = -1; const char CJS_App::kName[] = "app"; // static void CJS_App::DefineJSObjects(CFXJS_Engine* pEngine) { ObjDefnID = pEngine->DefineObj(CJS_App::kName, FXJSOBJTYPE_STATIC, JSConstructor<CJS_App>, JSDestructor); DefineProps(pEngine, ObjDefnID, PropertySpecs); DefineMethods(pEngine, ObjDefnID, MethodSpecs); } CJS_App::CJS_App(v8::Local<v8::Object> pObject, CJS_Runtime* pRuntime) : CJS_Object(pObject, pRuntime) {} CJS_App::~CJS_App() = default; CJS_Return CJS_App::get_active_docs(CJS_Runtime* pRuntime) { CJS_Document* pJSDocument = nullptr; v8::Local<v8::Object> pObj = pRuntime->GetThisObj(); if (CFXJS_Engine::GetObjDefnID(pObj) == CJS_Document::GetObjDefnID()) { pJSDocument = static_cast<CJS_Document*>(CFXJS_Engine::GetObjectPrivate(pObj)); } v8::Local<v8::Array> aDocs = pRuntime->NewArray(); pRuntime->PutArrayElement( aDocs, 0, pJSDocument ? v8::Local<v8::Value>(pJSDocument->ToV8Object()) : v8::Local<v8::Value>()); if (pRuntime->GetArrayLength(aDocs) > 0) return CJS_Return(aDocs); return CJS_Return(pRuntime->NewUndefined()); } CJS_Return CJS_App::set_active_docs(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::get_calculate(CJS_Runtime* pRuntime) { return CJS_Return(pRuntime->NewBoolean(m_bCalculate)); } CJS_Return CJS_App::set_calculate(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { m_bCalculate = pRuntime->ToBoolean(vp); pRuntime->GetFormFillEnv()->GetInterForm()->EnableCalculate(m_bCalculate); return CJS_Return(); } CJS_Return CJS_App::get_forms_version(CJS_Runtime* pRuntime) { return CJS_Return(pRuntime->NewNumber(JS_NUM_FORMSVERSION)); } CJS_Return CJS_App::set_forms_version(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::get_viewer_type(CJS_Runtime* pRuntime) { return CJS_Return(pRuntime->NewString(JS_STR_VIEWERTYPE)); } CJS_Return CJS_App::set_viewer_type(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::get_viewer_variation(CJS_Runtime* pRuntime) { return CJS_Return(pRuntime->NewString(JS_STR_VIEWERVARIATION)); } CJS_Return CJS_App::set_viewer_variation(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::get_viewer_version(CJS_Runtime* pRuntime) { #ifdef PDF_ENABLE_XFA CPDFXFA_Context* pXFAContext = pRuntime->GetFormFillEnv()->GetXFAContext(); if (pXFAContext->ContainsXFAForm()) return CJS_Return(pRuntime->NewNumber(JS_NUM_VIEWERVERSION_XFA)); #endif // PDF_ENABLE_XFA return CJS_Return(pRuntime->NewNumber(JS_NUM_VIEWERVERSION)); } CJS_Return CJS_App::set_viewer_version(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::get_platform(CJS_Runtime* pRuntime) { #ifdef PDF_ENABLE_XFA CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv(); if (!pFormFillEnv) return CJS_Return(JSMessage::kBadObjectError); WideString platform = pFormFillEnv->GetPlatform(); if (!platform.IsEmpty()) return CJS_Return(pRuntime->NewString(platform.AsStringView())); #endif return CJS_Return(pRuntime->NewString(JS_STR_PLATFORM)); } CJS_Return CJS_App::set_platform(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::get_language(CJS_Runtime* pRuntime) { #ifdef PDF_ENABLE_XFA CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv(); if (!pFormFillEnv) return CJS_Return(JSMessage::kBadObjectError); WideString language = pFormFillEnv->GetLanguage(); if (!language.IsEmpty()) return CJS_Return(pRuntime->NewString(language.AsStringView())); #endif return CJS_Return(pRuntime->NewString(JS_STR_LANGUAGE)); } CJS_Return CJS_App::set_language(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return CJS_Return(JSMessage::kNotSupportedError); } // creates a new fdf object that contains no data // comment: need reader support // note: // CFDF_Document * CPDFSDK_FormFillEnvironment::NewFDF(); CJS_Return CJS_App::newFDF(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { return CJS_Return(); } // opens a specified pdf document and returns its document object // comment:need reader support // note: as defined in js reference, the proto of this function's fourth // parmeters, how old an fdf document while do not show it. // CFDF_Document * CPDFSDK_FormFillEnvironment::OpenFDF(string strPath,bool // bUserConv); CJS_Return CJS_App::openFDF(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { return CJS_Return(); } CJS_Return CJS_App::alert(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { std::vector<v8::Local<v8::Value>> newParams = ExpandKeywordParams( pRuntime, params, 4, L"cMsg", L"nIcon", L"nType", L"cTitle"); if (!IsTypeKnown(newParams[0])) return CJS_Return(JSMessage::kParamError); CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv(); if (!pFormFillEnv) return CJS_Return(pRuntime->NewNumber(0)); WideString swMsg; if (newParams[0]->IsArray()) { v8::Local<v8::Array> carray = pRuntime->ToArray(newParams[0]); swMsg = L"["; for (size_t i = 0; i < pRuntime->GetArrayLength(carray); ++i) { if (i) swMsg += L", "; swMsg += pRuntime->ToWideString(pRuntime->GetArrayElement(carray, i)); } swMsg += L"]"; } else { swMsg = pRuntime->ToWideString(newParams[0]); } int iIcon = 0; if (IsTypeKnown(newParams[1])) iIcon = pRuntime->ToInt32(newParams[1]); int iType = 0; if (IsTypeKnown(newParams[2])) iType = pRuntime->ToInt32(newParams[2]); WideString swTitle; if (IsTypeKnown(newParams[3])) swTitle = pRuntime->ToWideString(newParams[3]); else swTitle = JSGetStringFromID(JSMessage::kAlert); pRuntime->BeginBlock(); pFormFillEnv->KillFocusAnnot(0); v8::Local<v8::Value> ret = pRuntime->NewNumber( pFormFillEnv->JS_appAlert(swMsg, swTitle, iType, iIcon)); pRuntime->EndBlock(); return CJS_Return(ret); } CJS_Return CJS_App::beep(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { if (params.size() != 1) return CJS_Return(JSMessage::kParamError); pRuntime->GetFormFillEnv()->JS_appBeep(pRuntime->ToInt32(params[0])); return CJS_Return(); } CJS_Return CJS_App::findComponent( CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { return CJS_Return(); } CJS_Return CJS_App::popUpMenuEx( CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::get_fs(CJS_Runtime* pRuntime) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::set_fs(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::setInterval( CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { if (params.size() == 0 || params.size() > 2) return CJS_Return(JSMessage::kParamError); WideString script = pRuntime->ToWideString(params[0]); if (script.IsEmpty()) return CJS_Return(JSMessage::kInvalidInputError); uint32_t dwInterval = params.size() > 1 ? pRuntime->ToInt32(params[1]) : 1000; auto timerRef = pdfium::MakeUnique<GlobalTimer>( this, pRuntime->GetFormFillEnv(), pRuntime, 0, script, dwInterval, 0); GlobalTimer* pTimerRef = timerRef.get(); m_Timers.insert(std::move(timerRef)); v8::Local<v8::Object> pRetObj = pRuntime->NewFXJSBoundObject(CJS_TimerObj::GetObjDefnID()); if (pRetObj.IsEmpty()) return CJS_Return(JSMessage::kBadObjectError); auto* pJS_TimerObj = static_cast<CJS_TimerObj*>(CFXJS_Engine::GetObjectPrivate(pRetObj)); pJS_TimerObj->SetTimer(pTimerRef); return CJS_Return(pRetObj); } CJS_Return CJS_App::setTimeOut( CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { if (params.size() == 0 || params.size() > 2) return CJS_Return(JSMessage::kParamError); WideString script = pRuntime->ToWideString(params[0]); if (script.IsEmpty()) return CJS_Return(JSMessage::kInvalidInputError); uint32_t dwTimeOut = params.size() > 1 ? pRuntime->ToInt32(params[1]) : 1000; auto timerRef = pdfium::MakeUnique<GlobalTimer>( this, pRuntime->GetFormFillEnv(), pRuntime, 1, script, dwTimeOut, dwTimeOut); GlobalTimer* pTimerRef = timerRef.get(); m_Timers.insert(std::move(timerRef)); v8::Local<v8::Object> pRetObj = pRuntime->NewFXJSBoundObject(CJS_TimerObj::GetObjDefnID()); if (pRetObj.IsEmpty()) return CJS_Return(JSMessage::kBadObjectError); auto* pJS_TimerObj = static_cast<CJS_TimerObj*>(CFXJS_Engine::GetObjectPrivate(pRetObj)); pJS_TimerObj->SetTimer(pTimerRef); return CJS_Return(pRetObj); } CJS_Return CJS_App::clearTimeOut( CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { if (params.size() != 1) return CJS_Return(JSMessage::kParamError); CJS_App::ClearTimerCommon(pRuntime, params[0]); return CJS_Return(); } CJS_Return CJS_App::clearInterval( CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { if (params.size() != 1) return CJS_Return(JSMessage::kParamError); CJS_App::ClearTimerCommon(pRuntime, params[0]); return CJS_Return(); } void CJS_App::ClearTimerCommon(CJS_Runtime* pRuntime, v8::Local<v8::Value> param) { if (!param->IsObject()) return; v8::Local<v8::Object> pObj = pRuntime->ToObject(param); if (CFXJS_Engine::GetObjDefnID(pObj) != CJS_TimerObj::GetObjDefnID()) return; CJS_Object* pJSObj = CFXJS_Engine::GetObjectPrivate(pObj); if (!pJSObj) return; GlobalTimer::Cancel(static_cast<CJS_TimerObj*>(pJSObj)->GetTimerID()); } CJS_Return CJS_App::execMenuItem( CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { return CJS_Return(JSMessage::kNotSupportedError); } void CJS_App::TimerProc(GlobalTimer* pTimer) { CJS_Runtime* pRuntime = pTimer->GetRuntime(); if (pRuntime && (!pTimer->IsOneShot() || pTimer->GetTimeOut() > 0)) RunJsScript(pRuntime, pTimer->GetJScript()); } void CJS_App::CancelProc(GlobalTimer* pTimer) { m_Timers.erase(pdfium::FakeUniquePtr<GlobalTimer>(pTimer)); } void CJS_App::RunJsScript(CJS_Runtime* pRuntime, const WideString& wsScript) { if (pRuntime->IsBlocking()) return; IJS_Runtime::ScopedEventContext pContext(pRuntime); pContext->OnExternal_Exec(); pContext->RunScript(wsScript); } CJS_Return CJS_App::goBack(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { // Not supported. return CJS_Return(); } CJS_Return CJS_App::goForward(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { // Not supported. return CJS_Return(); } CJS_Return CJS_App::mailMsg(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { std::vector<v8::Local<v8::Value>> newParams = ExpandKeywordParams(pRuntime, params, 6, L"bUI", L"cTo", L"cCc", L"cBcc", L"cSubject", L"cMsg"); if (!IsTypeKnown(newParams[0])) return CJS_Return(JSMessage::kParamError); bool bUI = pRuntime->ToBoolean(newParams[0]); WideString cTo; if (IsTypeKnown(newParams[1])) { cTo = pRuntime->ToWideString(newParams[1]); } else { // cTo parameter required when UI not invoked. if (!bUI) return CJS_Return(JSMessage::kParamError); } WideString cCc; if (IsTypeKnown(newParams[2])) cCc = pRuntime->ToWideString(newParams[2]); WideString cBcc; if (IsTypeKnown(newParams[3])) cBcc = pRuntime->ToWideString(newParams[3]); WideString cSubject; if (IsTypeKnown(newParams[4])) cSubject = pRuntime->ToWideString(newParams[4]); WideString cMsg; if (IsTypeKnown(newParams[5])) cMsg = pRuntime->ToWideString(newParams[5]); pRuntime->BeginBlock(); pRuntime->GetFormFillEnv()->JS_docmailForm(nullptr, 0, bUI, cTo, cSubject, cCc, cBcc, cMsg); pRuntime->EndBlock(); return CJS_Return(); } CJS_Return CJS_App::launchURL(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { // Unsafe, not supported. return CJS_Return(); } CJS_Return CJS_App::get_runtime_highlight(CJS_Runtime* pRuntime) { return CJS_Return(pRuntime->NewBoolean(m_bRuntimeHighLight)); } CJS_Return CJS_App::set_runtime_highlight(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { m_bRuntimeHighLight = pRuntime->ToBoolean(vp); return CJS_Return(); } CJS_Return CJS_App::get_fullscreen(CJS_Runtime* pRuntime) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::set_fullscreen(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::popUpMenu(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::browseForDoc( CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { // Unsafe, not supported. return CJS_Return(); } WideString CJS_App::SysPathToPDFPath(const WideString& sOldPath) { WideString sRet = L"/"; for (const wchar_t& c : sOldPath) { if (c != L':') sRet += (c == L'\\') ? L'/' : c; } return sRet; } CJS_Return CJS_App::newDoc(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::openDoc(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::response(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { std::vector<v8::Local<v8::Value>> newParams = ExpandKeywordParams(pRuntime, params, 5, L"cQuestion", L"cTitle", L"cDefault", L"bPassword", L"cLabel"); if (!IsTypeKnown(newParams[0])) return CJS_Return(JSMessage::kParamError); WideString swQuestion = pRuntime->ToWideString(newParams[0]); WideString swTitle = L"PDF"; if (IsTypeKnown(newParams[1])) swTitle = pRuntime->ToWideString(newParams[1]); WideString swDefault; if (IsTypeKnown(newParams[2])) swDefault = pRuntime->ToWideString(newParams[2]); bool bPassword = false; if (IsTypeKnown(newParams[3])) bPassword = pRuntime->ToBoolean(newParams[3]); WideString swLabel; if (IsTypeKnown(newParams[4])) swLabel = pRuntime->ToWideString(newParams[4]); const int MAX_INPUT_BYTES = 2048; std::vector<uint8_t> pBuff(MAX_INPUT_BYTES + 2); int nLengthBytes = pRuntime->GetFormFillEnv()->JS_appResponse( swQuestion, swTitle, swDefault, swLabel, bPassword, pBuff.data(), MAX_INPUT_BYTES); if (nLengthBytes < 0 || nLengthBytes > MAX_INPUT_BYTES) return CJS_Return(JSMessage::kParamTooLongError); return CJS_Return(pRuntime->NewString( WideString::FromUTF16LE(reinterpret_cast<uint16_t*>(pBuff.data()), nLengthBytes / sizeof(uint16_t)) .AsStringView())); } CJS_Return CJS_App::get_media(CJS_Runtime* pRuntime) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::set_media(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return CJS_Return(JSMessage::kNotSupportedError); } CJS_Return CJS_App::execDialog( CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { return CJS_Return(); }