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// 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_interactiveform.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"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
#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
int CJS_App::GetObjDefnID() {
return ObjDefnID;
}
// 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_Result CJS_App::get_active_docs(CJS_Runtime* pRuntime) {
v8::Local<v8::Object> pObj = pRuntime->GetThisObj();
auto pJSDocument = JSGetObject<CJS_Document>(pObj);
if (!pJSDocument)
return CJS_Result::Failure(JSMessage::kObjectTypeError);
v8::Local<v8::Array> aDocs = pRuntime->NewArray();
pRuntime->PutArrayElement(aDocs, 0, pJSDocument->ToV8Object());
if (pRuntime->GetArrayLength(aDocs) > 0)
return CJS_Result::Success(aDocs);
return CJS_Result::Success(pRuntime->NewUndefined());
}
CJS_Result CJS_App::set_active_docs(CJS_Runtime* pRuntime,
v8::Local<v8::Value> vp) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::get_calculate(CJS_Runtime* pRuntime) {
return CJS_Result::Success(pRuntime->NewBoolean(m_bCalculate));
}
CJS_Result CJS_App::set_calculate(CJS_Runtime* pRuntime,
v8::Local<v8::Value> vp) {
m_bCalculate = pRuntime->ToBoolean(vp);
pRuntime->GetFormFillEnv()->GetInteractiveForm()->EnableCalculate(
m_bCalculate);
return CJS_Result::Success();
}
CJS_Result CJS_App::get_forms_version(CJS_Runtime* pRuntime) {
return CJS_Result::Success(pRuntime->NewNumber(JS_NUM_FORMSVERSION));
}
CJS_Result CJS_App::set_forms_version(CJS_Runtime* pRuntime,
v8::Local<v8::Value> vp) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::get_viewer_type(CJS_Runtime* pRuntime) {
return CJS_Result::Success(pRuntime->NewString(JS_STR_VIEWERTYPE));
}
CJS_Result CJS_App::set_viewer_type(CJS_Runtime* pRuntime,
v8::Local<v8::Value> vp) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::get_viewer_variation(CJS_Runtime* pRuntime) {
return CJS_Result::Success(pRuntime->NewString(JS_STR_VIEWERVARIATION));
}
CJS_Result CJS_App::set_viewer_variation(CJS_Runtime* pRuntime,
v8::Local<v8::Value> vp) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::get_viewer_version(CJS_Runtime* pRuntime) {
#ifdef PDF_ENABLE_XFA
if (pRuntime->GetFormFillEnv()->ContainsXFAForm())
return CJS_Result::Success(pRuntime->NewNumber(JS_NUM_VIEWERVERSION_XFA));
#endif // PDF_ENABLE_XFA
return CJS_Result::Success(pRuntime->NewNumber(JS_NUM_VIEWERVERSION));
}
CJS_Result CJS_App::set_viewer_version(CJS_Runtime* pRuntime,
v8::Local<v8::Value> vp) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::get_platform(CJS_Runtime* pRuntime) {
#ifdef PDF_ENABLE_XFA
CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv();
if (!pFormFillEnv)
return CJS_Result::Failure(JSMessage::kBadObjectError);
WideString platform = pFormFillEnv->GetPlatform();
if (!platform.IsEmpty())
return CJS_Result::Success(pRuntime->NewString(platform.AsStringView()));
#endif
return CJS_Result::Success(pRuntime->NewString(JS_STR_PLATFORM));
}
CJS_Result CJS_App::set_platform(CJS_Runtime* pRuntime,
v8::Local<v8::Value> vp) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::get_language(CJS_Runtime* pRuntime) {
#ifdef PDF_ENABLE_XFA
CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv();
if (!pFormFillEnv)
return CJS_Result::Failure(JSMessage::kBadObjectError);
WideString language = pFormFillEnv->GetLanguage();
if (!language.IsEmpty())
return CJS_Result::Success(pRuntime->NewString(language.AsStringView()));
#endif
return CJS_Result::Success(pRuntime->NewString(JS_STR_LANGUAGE));
}
CJS_Result CJS_App::set_language(CJS_Runtime* pRuntime,
v8::Local<v8::Value> vp) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
// creates a new fdf object that contains no data
// comment: need reader support
// note:
// CFDF_Document * CPDFSDK_FormFillEnvironment::NewFDF();
CJS_Result CJS_App::newFDF(CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Success();
}
// 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_Result CJS_App::openFDF(CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Success();
}
CJS_Result 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, "cMsg", "nIcon", "nType", "cTitle");
if (!IsExpandedParamKnown(newParams[0]))
return CJS_Result::Failure(JSMessage::kParamError);
CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv();
if (!pFormFillEnv)
return CJS_Result::Success(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 = JSPLATFORM_ALERT_ICON_DEFAULT;
if (IsExpandedParamKnown(newParams[1]))
iIcon = pRuntime->ToInt32(newParams[1]);
int iType = JSPLATFORM_ALERT_BUTTON_DEFAULT;
if (IsExpandedParamKnown(newParams[2]))
iType = pRuntime->ToInt32(newParams[2]);
WideString swTitle;
if (IsExpandedParamKnown(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_Result::Success(ret);
}
CJS_Result CJS_App::beep(CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
int type = JSPLATFORM_BEEP_DEFAULT;
if (IsExpandedParamKnown(params[0]))
type = pRuntime->ToInt32(params[0]);
pRuntime->GetFormFillEnv()->JS_appBeep(type);
return CJS_Result::Success();
}
CJS_Result CJS_App::findComponent(
CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Success();
}
CJS_Result CJS_App::popUpMenuEx(
CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::get_fs(CJS_Runtime* pRuntime) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::set_fs(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::setInterval(
CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() == 0 || params.size() > 2)
return CJS_Result::Failure(JSMessage::kParamError);
WideString script = pRuntime->ToWideString(params[0]);
if (script.IsEmpty())
return CJS_Result::Failure(JSMessage::kInvalidInputError);
uint32_t dwInterval = params.size() > 1 ? pRuntime->ToInt32(params[1]) : 1000;
auto timerRef = pdfium::MakeUnique<GlobalTimer>(
this, pRuntime->GetFormFillEnv(), pRuntime, GlobalTimer::Type::kRepeating,
script, dwInterval, 0);
GlobalTimer* pTimerRef = timerRef.get();
m_Timers.insert(std::move(timerRef));
v8::Local<v8::Object> pRetObj = pRuntime->NewFXJSBoundObject(
CJS_TimerObj::GetObjDefnID(), FXJSOBJTYPE_DYNAMIC);
if (pRetObj.IsEmpty())
return CJS_Result::Failure(JSMessage::kBadObjectError);
auto* pJS_TimerObj =
static_cast<CJS_TimerObj*>(CFXJS_Engine::GetObjectPrivate(pRetObj));
pJS_TimerObj->SetTimer(pTimerRef);
return CJS_Result::Success(pRetObj);
}
CJS_Result CJS_App::setTimeOut(
CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() == 0 || params.size() > 2)
return CJS_Result::Failure(JSMessage::kParamError);
WideString script = pRuntime->ToWideString(params[0]);
if (script.IsEmpty())
return CJS_Result::Failure(JSMessage::kInvalidInputError);
uint32_t dwTimeOut = params.size() > 1 ? pRuntime->ToInt32(params[1]) : 1000;
auto timerRef = pdfium::MakeUnique<GlobalTimer>(
this, pRuntime->GetFormFillEnv(), pRuntime, GlobalTimer::Type::kOneShot,
script, dwTimeOut, dwTimeOut);
GlobalTimer* pTimerRef = timerRef.get();
m_Timers.insert(std::move(timerRef));
v8::Local<v8::Object> pRetObj = pRuntime->NewFXJSBoundObject(
CJS_TimerObj::GetObjDefnID(), FXJSOBJTYPE_DYNAMIC);
if (pRetObj.IsEmpty())
return CJS_Result::Failure(JSMessage::kBadObjectError);
auto* pJS_TimerObj =
static_cast<CJS_TimerObj*>(CFXJS_Engine::GetObjectPrivate(pRetObj));
pJS_TimerObj->SetTimer(pTimerRef);
return CJS_Result::Success(pRetObj);
}
CJS_Result CJS_App::clearTimeOut(
CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
CJS_App::ClearTimerCommon(pRuntime, params[0]);
return CJS_Result::Success();
}
CJS_Result CJS_App::clearInterval(
CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
CJS_App::ClearTimerCommon(pRuntime, params[0]);
return CJS_Result::Success();
}
void CJS_App::ClearTimerCommon(CJS_Runtime* pRuntime,
v8::Local<v8::Value> param) {
if (!param->IsObject())
return;
v8::Local<v8::Object> pObj = pRuntime->ToObject(param);
auto pTimer = JSGetObject<CJS_TimerObj>(pObj);
if (!pTimer)
return;
GlobalTimer::Cancel(pTimer->GetTimerID());
}
CJS_Result CJS_App::execMenuItem(
CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Failure(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_Result CJS_App::goBack(CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
// Not supported, but do not return error.
return CJS_Result::Success();
}
CJS_Result CJS_App::goForward(CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
// Not supported, but do not return error.
return CJS_Result::Success();
}
CJS_Result 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, "bUI", "cTo", "cCc", "cBcc", "cSubject", "cMsg");
if (!IsExpandedParamKnown(newParams[0]))
return CJS_Result::Failure(JSMessage::kParamError);
bool bUI = pRuntime->ToBoolean(newParams[0]);
WideString cTo;
if (IsExpandedParamKnown(newParams[1])) {
cTo = pRuntime->ToWideString(newParams[1]);
} else {
// cTo parameter required when UI not invoked.
if (!bUI)
return CJS_Result::Failure(JSMessage::kParamError);
}
WideString cCc;
if (IsExpandedParamKnown(newParams[2]))
cCc = pRuntime->ToWideString(newParams[2]);
WideString cBcc;
if (IsExpandedParamKnown(newParams[3]))
cBcc = pRuntime->ToWideString(newParams[3]);
WideString cSubject;
if (IsExpandedParamKnown(newParams[4]))
cSubject = pRuntime->ToWideString(newParams[4]);
WideString cMsg;
if (IsExpandedParamKnown(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_Result::Success();
}
CJS_Result CJS_App::launchURL(CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
// Unsafe, not supported, but do not return error.
return CJS_Result::Success();
}
CJS_Result CJS_App::get_runtime_highlight(CJS_Runtime* pRuntime) {
return CJS_Result::Success(pRuntime->NewBoolean(m_bRuntimeHighLight));
}
CJS_Result CJS_App::set_runtime_highlight(CJS_Runtime* pRuntime,
v8::Local<v8::Value> vp) {
m_bRuntimeHighLight = pRuntime->ToBoolean(vp);
return CJS_Result::Success();
}
CJS_Result CJS_App::get_fullscreen(CJS_Runtime* pRuntime) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::set_fullscreen(CJS_Runtime* pRuntime,
v8::Local<v8::Value> vp) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::popUpMenu(CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::browseForDoc(
CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
// Unsafe, not supported, but do not return an error.
return CJS_Result::Success();
}
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_Result CJS_App::newDoc(CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::openDoc(CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result 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, "cQuestion", "cTitle",
"cDefault", "bPassword", "cLabel");
if (!IsExpandedParamKnown(newParams[0]))
return CJS_Result::Failure(JSMessage::kParamError);
WideString swQuestion = pRuntime->ToWideString(newParams[0]);
WideString swTitle = L"PDF";
if (IsExpandedParamKnown(newParams[1]))
swTitle = pRuntime->ToWideString(newParams[1]);
WideString swDefault;
if (IsExpandedParamKnown(newParams[2]))
swDefault = pRuntime->ToWideString(newParams[2]);
bool bPassword = false;
if (IsExpandedParamKnown(newParams[3]))
bPassword = pRuntime->ToBoolean(newParams[3]);
WideString swLabel;
if (IsExpandedParamKnown(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_Result::Failure(JSMessage::kParamTooLongError);
return CJS_Result::Success(pRuntime->NewString(
WideString::FromUTF16LE(reinterpret_cast<uint16_t*>(pBuff.data()),
nLengthBytes / sizeof(uint16_t))
.AsStringView()));
}
CJS_Result CJS_App::get_media(CJS_Runtime* pRuntime) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::set_media(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
return CJS_Result::Failure(JSMessage::kNotSupportedError);
}
CJS_Result CJS_App::execDialog(
CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Success();
}