// 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/javascript/Document.h" #include #include #include #include #include "core/fpdfapi/font/cpdf_font.h" #include "core/fpdfapi/page/cpdf_page.h" #include "core/fpdfapi/parser/cpdf_array.h" #include "core/fpdfapi/parser/cpdf_document.h" #include "core/fpdfapi/parser/cpdf_string.h" #include "core/fpdfapi/parser/fpdf_parser_decode.h" #include "core/fpdfdoc/cpdf_interform.h" #include "core/fpdfdoc/cpdf_nametree.h" #include "fpdfsdk/cpdfsdk_annotiteration.h" #include "fpdfsdk/cpdfsdk_formfillenvironment.h" #include "fpdfsdk/cpdfsdk_interform.h" #include "fpdfsdk/cpdfsdk_pageview.h" #include "fpdfsdk/cpdfsdk_widget.h" #include "fpdfsdk/javascript/Annot.h" #include "fpdfsdk/javascript/Field.h" #include "fpdfsdk/javascript/Icon.h" #include "fpdfsdk/javascript/JS_Define.h" #include "fpdfsdk/javascript/JS_EventHandler.h" #include "fpdfsdk/javascript/JS_Object.h" #include "fpdfsdk/javascript/JS_Value.h" #include "fpdfsdk/javascript/app.h" #include "fpdfsdk/javascript/cjs_event_context.h" #include "fpdfsdk/javascript/cjs_runtime.h" #include "fpdfsdk/javascript/resource.h" #include "third_party/base/numerics/safe_math.h" #include "third_party/base/ptr_util.h" JSConstSpec CJS_PrintParamsObj::ConstSpecs[] = {{0, JSConstSpec::Number, 0, 0}}; JSPropertySpec CJS_PrintParamsObj::PropertySpecs[] = {{0, 0, 0}}; JSMethodSpec CJS_PrintParamsObj::MethodSpecs[] = {{0, 0}}; IMPLEMENT_JS_CLASS(CJS_PrintParamsObj, PrintParamsObj) PrintParamsObj::PrintParamsObj(CJS_Object* pJSObject) : CJS_EmbedObj(pJSObject) { bUI = true; nStart = 0; nEnd = 0; bSilent = false; bShrinkToFit = false; bPrintAsImage = false; bReverse = false; bAnnotations = true; } #define MINWIDTH 5.0f #define MINHEIGHT 5.0f JSConstSpec CJS_Document::ConstSpecs[] = {{0, JSConstSpec::Number, 0, 0}}; JSPropertySpec CJS_Document::PropertySpecs[] = { {"ADBE", get_ADBE_static, set_ADBE_static}, {"author", get_author_static, set_author_static}, {"baseURL", get_base_URL_static, set_base_URL_static}, {"bookmarkRoot", get_bookmark_root_static, set_bookmark_root_static}, {"calculate", get_calculate_static, set_calculate_static}, {"Collab", get_collab_static, set_collab_static}, {"creationDate", get_creation_date_static, set_creation_date_static}, {"creator", get_creator_static, set_creator_static}, {"delay", get_delay_static, set_delay_static}, {"dirty", get_dirty_static, set_dirty_static}, {"documentFileName", get_document_file_name_static, set_document_file_name_static}, {"external", get_external_static, set_external_static}, {"filesize", get_filesize_static, set_filesize_static}, {"icons", get_icons_static, set_icons_static}, {"info", get_info_static, set_info_static}, {"keywords", get_keywords_static, set_keywords_static}, {"layout", get_layout_static, set_layout_static}, {"media", get_media_static, set_media_static}, {"modDate", get_mod_date_static, set_mod_date_static}, {"mouseX", get_mouse_x_static, set_mouse_x_static}, {"mouseY", get_mouse_y_static, set_mouse_y_static}, {"numFields", get_num_fields_static, set_num_fields_static}, {"numPages", get_num_pages_static, set_num_pages_static}, {"pageNum", get_page_num_static, set_page_num_static}, {"pageWindowRect", get_page_window_rect_static, set_page_window_rect_static}, {"path", get_path_static, set_path_static}, {"producer", get_producer_static, set_producer_static}, {"subject", get_subject_static, set_subject_static}, {"title", get_title_static, set_title_static}, {"URL", get_URL_static, set_URL_static}, {"zoom", get_zoom_static, set_zoom_static}, {"zoomType", get_zoom_type_static, set_zoom_type_static}, {0, 0, 0}}; JSMethodSpec CJS_Document::MethodSpecs[] = { {"addAnnot", addAnnot_static}, {"addField", addField_static}, {"addLink", addLink_static}, {"addIcon", addIcon_static}, {"calculateNow", calculateNow_static}, {"closeDoc", closeDoc_static}, {"createDataObject", createDataObject_static}, {"deletePages", deletePages_static}, {"exportAsText", exportAsText_static}, {"exportAsFDF", exportAsFDF_static}, {"exportAsXFDF", exportAsXFDF_static}, {"extractPages", extractPages_static}, {"getAnnot", getAnnot_static}, {"getAnnots", getAnnots_static}, {"getAnnot3D", getAnnot3D_static}, {"getAnnots3D", getAnnots3D_static}, {"getField", getField_static}, {"getIcon", getIcon_static}, {"getLinks", getLinks_static}, {"getNthFieldName", getNthFieldName_static}, {"getOCGs", getOCGs_static}, {"getPageBox", getPageBox_static}, {"getPageNthWord", getPageNthWord_static}, {"getPageNthWordQuads", getPageNthWordQuads_static}, {"getPageNumWords", getPageNumWords_static}, {"getPrintParams", getPrintParams_static}, {"getURL", getURL_static}, {"gotoNamedDest", gotoNamedDest_static}, {"importAnFDF", importAnFDF_static}, {"importAnXFDF", importAnXFDF_static}, {"importTextData", importTextData_static}, {"insertPages", insertPages_static}, {"mailForm", mailForm_static}, {"print", print_static}, {"removeField", removeField_static}, {"replacePages", replacePages_static}, {"resetForm", resetForm_static}, {"removeIcon", removeIcon_static}, {"saveAs", saveAs_static}, {"submitForm", submitForm_static}, {"syncAnnotScan", syncAnnotScan_static}, {"mailDoc", mailDoc_static}, {0, 0}}; IMPLEMENT_JS_CLASS(CJS_Document, Document) void CJS_Document::InitInstance(IJS_Runtime* pIRuntime) { CJS_Runtime* pRuntime = static_cast(pIRuntime); Document* pDoc = static_cast(GetEmbedObject()); pDoc->SetFormFillEnv(pRuntime->GetFormFillEnv()); } Document::Document(CJS_Object* pJSObject) : CJS_EmbedObj(pJSObject), m_pFormFillEnv(nullptr), m_cwBaseURL(L""), m_bDelay(false) {} Document::~Document() {} // the total number of fields in document. bool Document::get_num_fields(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFForm = pInterForm->GetInterForm(); vp->Set(static_cast(pPDFForm->CountFields(WideString()))); return true; } bool Document::set_num_fields(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { *sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } bool Document::get_dirty(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } vp->Set(!!m_pFormFillEnv->GetChangeMark()); return true; } bool Document::set_dirty(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } vp.ToBool() ? m_pFormFillEnv->SetChangeMark() : m_pFormFillEnv->ClearChangeMark(); return true; } bool Document::get_ADBE(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { vp->GetJSValue()->SetNull(pRuntime); return true; } bool Document::set_ADBE(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::get_page_num(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetCurrentView()) vp->Set(pPageView->GetPageIndex()); return true; } bool Document::set_page_num(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } int iPageCount = m_pFormFillEnv->GetPageCount(); int iPageNum = vp.ToInt(); if (iPageNum >= 0 && iPageNum < iPageCount) m_pFormFillEnv->JS_docgotoPage(iPageNum); else if (iPageNum >= iPageCount) m_pFormFillEnv->JS_docgotoPage(iPageCount - 1); else if (iPageNum < 0) m_pFormFillEnv->JS_docgotoPage(0); return true; } bool Document::addAnnot(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Not supported. return true; } bool Document::addField(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Not supported. return true; } bool Document::exportAsText(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } bool Document::exportAsFDF(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } bool Document::exportAsXFDF(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } bool Document::getField(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (params.size() < 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } WideString wideName = params[0].ToCFXWideString(pRuntime); CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFForm = pInterForm->GetInterForm(); if (pPDFForm->CountFields(wideName) <= 0) { vRet.SetNull(pRuntime); return true; } v8::Local pFieldObj = pRuntime->NewFxDynamicObj(CJS_Field::g_nObjDefnID); if (pFieldObj.IsEmpty()) return false; CJS_Field* pJSField = static_cast(pRuntime->GetObjectPrivate(pFieldObj)); Field* pField = static_cast(pJSField->GetEmbedObject()); pField->AttachField(this, wideName); vRet = CJS_Value(pRuntime, pJSField); return true; } // Gets the name of the nth field in the document bool Document::getNthFieldName(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (params.size() != 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } int nIndex = params[0].ToInt(pRuntime); if (nIndex < 0) { sError = JSGetStringFromID(IDS_STRING_JSVALUEERROR); return false; } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFForm = pInterForm->GetInterForm(); CPDF_FormField* pField = pPDFForm->GetField(nIndex, WideString()); if (!pField) return false; vRet = CJS_Value(pRuntime, pField->GetFullName().c_str()); return true; } bool Document::importAnFDF(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } bool Document::importAnXFDF(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } bool Document::importTextData(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } // exports the form data and mails the resulting fdf file as an attachment to // all recipients. // comment: need reader supports bool Document::mailForm(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } int iLength = params.size(); bool bUI = iLength > 0 ? params[0].ToBool(pRuntime) : true; WideString cTo = iLength > 1 ? params[1].ToCFXWideString(pRuntime) : L""; WideString cCc = iLength > 2 ? params[2].ToCFXWideString(pRuntime) : L""; WideString cBcc = iLength > 3 ? params[3].ToCFXWideString(pRuntime) : L""; WideString cSubject = iLength > 4 ? params[4].ToCFXWideString(pRuntime) : L""; WideString cMsg = iLength > 5 ? params[5].ToCFXWideString(pRuntime) : L""; CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); ByteString sTextBuf = pInterForm->ExportFormToFDFTextBuf(); if (sTextBuf.GetLength() == 0) return false; size_t nBufSize = sTextBuf.GetLength(); char* pMutableBuf = FX_Alloc(char, nBufSize); memcpy(pMutableBuf, sTextBuf.c_str(), nBufSize); pRuntime->BeginBlock(); CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv(); pFormFillEnv->JS_docmailForm(pMutableBuf, nBufSize, bUI, cTo.c_str(), cSubject.c_str(), cCc.c_str(), cBcc.c_str(), cMsg.c_str()); pRuntime->EndBlock(); FX_Free(pMutableBuf); return true; } bool Document::print(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } bool bUI = true; int nStart = 0; int nEnd = 0; bool bSilent = false; bool bShrinkToFit = false; bool bPrintAsImage = false; bool bReverse = false; bool bAnnotations = false; int nlength = params.size(); if (nlength == 9) { if (params[8].GetType() == CJS_Value::VT_object) { v8::Local pObj = params[8].ToV8Object(pRuntime); if (CFXJS_Engine::GetObjDefnID(pObj) == CJS_PrintParamsObj::g_nObjDefnID) { if (CJS_Object* pJSObj = params[8].ToCJSObject(pRuntime)) { if (PrintParamsObj* pprintparamsObj = static_cast(pJSObj->GetEmbedObject())) { bUI = pprintparamsObj->bUI; nStart = pprintparamsObj->nStart; nEnd = pprintparamsObj->nEnd; bSilent = pprintparamsObj->bSilent; bShrinkToFit = pprintparamsObj->bShrinkToFit; bPrintAsImage = pprintparamsObj->bPrintAsImage; bReverse = pprintparamsObj->bReverse; bAnnotations = pprintparamsObj->bAnnotations; } } } } } else { if (nlength >= 1) bUI = params[0].ToBool(pRuntime); if (nlength >= 2) nStart = params[1].ToInt(pRuntime); if (nlength >= 3) nEnd = params[2].ToInt(pRuntime); if (nlength >= 4) bSilent = params[3].ToBool(pRuntime); if (nlength >= 5) bShrinkToFit = params[4].ToBool(pRuntime); if (nlength >= 6) bPrintAsImage = params[5].ToBool(pRuntime); if (nlength >= 7) bReverse = params[6].ToBool(pRuntime); if (nlength >= 8) bAnnotations = params[7].ToBool(pRuntime); } if (m_pFormFillEnv) { m_pFormFillEnv->JS_docprint(bUI, nStart, nEnd, bSilent, bShrinkToFit, bPrintAsImage, bReverse, bAnnotations); return true; } return false; } // removes the specified field from the document. // comment: // note: if the filed name is not rational, adobe is dumb for it. bool Document::removeField(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (params.size() != 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) || m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM))) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } WideString sFieldName = params[0].ToCFXWideString(pRuntime); CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); std::vector widgets; pInterForm->GetWidgets(sFieldName, &widgets); if (widgets.empty()) return true; for (const auto& pAnnot : widgets) { CPDFSDK_Widget* pWidget = static_cast(pAnnot.Get()); if (!pWidget) continue; CFX_FloatRect rcAnnot = pWidget->GetRect(); --rcAnnot.left; --rcAnnot.bottom; ++rcAnnot.right; ++rcAnnot.top; std::vector aRefresh(1, rcAnnot); UnderlyingPageType* pPage = pWidget->GetUnderlyingPage(); ASSERT(pPage); // If there is currently no pageview associated with the page being used // do not create one. We may be in the process of tearing down the document // and creating a new pageview at this point will cause bad things. CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(pPage, false); if (pPageView) { #if PDF_ENABLE_XFA pPageView->DeleteAnnot(pWidget); #endif // PDF_ENABLE_XFA pPageView->UpdateRects(aRefresh); } } m_pFormFillEnv->SetChangeMark(); return true; } // reset filed values within a document. // comment: // note: if the fields names r not rational, aodbe is dumb for it. bool Document::resetForm(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) || m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM) || m_pFormFillEnv->GetPermissions(FPDFPERM_FILL_FORM))) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFForm = pInterForm->GetInterForm(); CJS_Array aName; if (params.empty()) { pPDFForm->ResetForm(true); m_pFormFillEnv->SetChangeMark(); return true; } switch (params[0].GetType()) { default: aName.Attach(params[0].ToV8Array(pRuntime)); break; case CJS_Value::VT_string: aName.SetElement(pRuntime, 0, params[0]); break; } std::vector aFields; for (int i = 0, isz = aName.GetLength(pRuntime); i < isz; ++i) { CJS_Value valElement(pRuntime); aName.GetElement(pRuntime, i, valElement); WideString swVal = valElement.ToCFXWideString(pRuntime); for (int j = 0, jsz = pPDFForm->CountFields(swVal); j < jsz; ++j) aFields.push_back(pPDFForm->GetField(j, swVal)); } if (!aFields.empty()) { pPDFForm->ResetForm(aFields, true, true); m_pFormFillEnv->SetChangeMark(); } return true; } bool Document::saveAs(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } bool Document::syncAnnotScan(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { return true; } bool Document::submitForm(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { int nSize = params.size(); if (nSize < 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CJS_Array aFields; WideString strURL; bool bFDF = true; bool bEmpty = false; CJS_Value v = params[0]; if (v.GetType() == CJS_Value::VT_string) { strURL = params[0].ToCFXWideString(pRuntime); if (nSize > 1) bFDF = params[1].ToBool(pRuntime); if (nSize > 2) bEmpty = params[2].ToBool(pRuntime); if (nSize > 3) aFields.Attach(params[3].ToV8Array(pRuntime)); } else if (v.GetType() == CJS_Value::VT_object) { v8::Local pObj = params[0].ToV8Object(pRuntime); v8::Local pValue = pRuntime->GetObjectProperty(pObj, L"cURL"); if (!pValue.IsEmpty()) strURL = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"bFDF"); bFDF = CJS_Value(pRuntime, pValue).ToBool(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"bEmpty"); bEmpty = CJS_Value(pRuntime, pValue).ToBool(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"aFields"); aFields.Attach(CJS_Value(pRuntime, pValue).ToV8Array(pRuntime)); } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm(); if (aFields.GetLength(pRuntime) == 0 && bEmpty) { if (pPDFInterForm->CheckRequiredFields(nullptr, true)) { pRuntime->BeginBlock(); pInterForm->SubmitForm(strURL, false); pRuntime->EndBlock(); } return true; } std::vector fieldObjects; for (int i = 0, sz = aFields.GetLength(pRuntime); i < sz; ++i) { CJS_Value valName(pRuntime); aFields.GetElement(pRuntime, i, valName); WideString sName = valName.ToCFXWideString(pRuntime); CPDF_InterForm* pPDFForm = pInterForm->GetInterForm(); for (int j = 0, jsz = pPDFForm->CountFields(sName); j < jsz; ++j) { CPDF_FormField* pField = pPDFForm->GetField(j, sName); if (!bEmpty && pField->GetValue().IsEmpty()) continue; fieldObjects.push_back(pField); } } if (pPDFInterForm->CheckRequiredFields(&fieldObjects, true)) { pRuntime->BeginBlock(); pInterForm->SubmitFields(strURL, fieldObjects, true, !bFDF); pRuntime->EndBlock(); } return true; } void Document::SetFormFillEnv(CPDFSDK_FormFillEnvironment* pFormFillEnv) { m_pFormFillEnv.Reset(pFormFillEnv); } bool Document::get_bookmark_root(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return true; } bool Document::set_bookmark_root(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::mailDoc(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // TODO(tsepez): Check maximum number of allowed params. bool bUI = true; WideString cTo = L""; WideString cCc = L""; WideString cBcc = L""; WideString cSubject = L""; WideString cMsg = L""; if (params.size() >= 1) bUI = params[0].ToBool(pRuntime); if (params.size() >= 2) cTo = params[1].ToCFXWideString(pRuntime); if (params.size() >= 3) cCc = params[2].ToCFXWideString(pRuntime); if (params.size() >= 4) cBcc = params[3].ToCFXWideString(pRuntime); if (params.size() >= 5) cSubject = params[4].ToCFXWideString(pRuntime); if (params.size() >= 6) cMsg = params[5].ToCFXWideString(pRuntime); if (params.size() >= 1 && params[0].GetType() == CJS_Value::VT_object) { v8::Local pObj = params[0].ToV8Object(pRuntime); v8::Local pValue = pRuntime->GetObjectProperty(pObj, L"bUI"); bUI = CJS_Value(pRuntime, pValue).ToBool(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"cTo"); cTo = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"cCc"); cCc = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"cBcc"); cBcc = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"cSubject"); cSubject = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"cMsg"); cMsg = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); } pRuntime->BeginBlock(); CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv(); pFormFillEnv->JS_docmailForm(nullptr, 0, bUI, cTo.c_str(), cSubject.c_str(), cCc.c_str(), cBcc.c_str(), cMsg.c_str()); pRuntime->EndBlock(); return true; } bool Document::get_author(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return getPropertyInternal(pRuntime, vp, "Author", sError); } bool Document::set_author(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return setPropertyInternal(pRuntime, vp, "Author", sError); } bool Document::get_info(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } const auto* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo(); if (!pDictionary) return false; WideString cwAuthor = pDictionary->GetUnicodeTextFor("Author"); WideString cwTitle = pDictionary->GetUnicodeTextFor("Title"); WideString cwSubject = pDictionary->GetUnicodeTextFor("Subject"); WideString cwKeywords = pDictionary->GetUnicodeTextFor("Keywords"); WideString cwCreator = pDictionary->GetUnicodeTextFor("Creator"); WideString cwProducer = pDictionary->GetUnicodeTextFor("Producer"); WideString cwCreationDate = pDictionary->GetUnicodeTextFor("CreationDate"); WideString cwModDate = pDictionary->GetUnicodeTextFor("ModDate"); WideString cwTrapped = pDictionary->GetUnicodeTextFor("Trapped"); v8::Local pObj = pRuntime->NewFxDynamicObj(-1); pRuntime->PutObjectProperty(pObj, L"Author", pRuntime->NewString(cwAuthor.AsStringView())); pRuntime->PutObjectProperty(pObj, L"Title", pRuntime->NewString(cwTitle.AsStringView())); pRuntime->PutObjectProperty(pObj, L"Subject", pRuntime->NewString(cwSubject.AsStringView())); pRuntime->PutObjectProperty(pObj, L"Keywords", pRuntime->NewString(cwKeywords.AsStringView())); pRuntime->PutObjectProperty(pObj, L"Creator", pRuntime->NewString(cwCreator.AsStringView())); pRuntime->PutObjectProperty(pObj, L"Producer", pRuntime->NewString(cwProducer.AsStringView())); pRuntime->PutObjectProperty( pObj, L"CreationDate", pRuntime->NewString(cwCreationDate.AsStringView())); pRuntime->PutObjectProperty(pObj, L"ModDate", pRuntime->NewString(cwModDate.AsStringView())); pRuntime->PutObjectProperty(pObj, L"Trapped", pRuntime->NewString(cwTrapped.AsStringView())); // It's to be compatible to non-standard info dictionary. for (const auto& it : *pDictionary) { const ByteString& bsKey = it.first; CPDF_Object* pValueObj = it.second.get(); WideString wsKey = WideString::FromUTF8(bsKey.AsStringView()); if (pValueObj->IsString() || pValueObj->IsName()) { pRuntime->PutObjectProperty( pObj, wsKey, pRuntime->NewString(pValueObj->GetUnicodeText().AsStringView())); } else if (pValueObj->IsNumber()) { pRuntime->PutObjectProperty(pObj, wsKey, pRuntime->NewNumber(pValueObj->GetNumber())); } else if (pValueObj->IsBoolean()) { pRuntime->PutObjectProperty( pObj, wsKey, pRuntime->NewBoolean(!!pValueObj->GetInteger())); } } vp->Set(pObj); return true; } bool Document::set_info(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { *sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } bool Document::getPropertyInternal(CJS_Runtime* pRuntime, CJS_PropValue* vp, const ByteString& propName, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CPDF_Dictionary* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo(); if (!pDictionary) return false; vp->Set(pDictionary->GetUnicodeTextFor(propName)); return true; } bool Document::setPropertyInternal(CJS_Runtime* pRuntime, const CJS_PropValue& vp, const ByteString& propName, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CPDF_Dictionary* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo(); if (!pDictionary) return false; if (!m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY)) { *sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } WideString csProperty = vp.ToWideString(); pDictionary->SetNewFor(propName, PDF_EncodeText(csProperty), false); m_pFormFillEnv->SetChangeMark(); return true; } bool Document::get_creation_date(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return getPropertyInternal(pRuntime, vp, "CreationDate", sError); } bool Document::set_creation_date(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return setPropertyInternal(pRuntime, vp, "CreationDate", sError); } bool Document::get_creator(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return getPropertyInternal(pRuntime, vp, "Creator", sError); } bool Document::set_creator(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return setPropertyInternal(pRuntime, vp, "Creator", sError); } bool Document::get_delay(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } vp->Set(m_bDelay); return true; } bool Document::set_delay(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY)) { *sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } m_bDelay = vp.ToBool(); if (m_bDelay) { m_DelayData.clear(); return true; } std::list> DelayDataToProcess; DelayDataToProcess.swap(m_DelayData); for (const auto& pData : DelayDataToProcess) Field::DoDelay(m_pFormFillEnv.Get(), pData.get()); return true; } bool Document::get_keywords(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return getPropertyInternal(pRuntime, vp, "Keywords", sError); } bool Document::set_keywords(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return setPropertyInternal(pRuntime, vp, "Keywords", sError); } bool Document::get_mod_date(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return getPropertyInternal(pRuntime, vp, "ModDate", sError); } bool Document::set_mod_date(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return setPropertyInternal(pRuntime, vp, "ModDate", sError); } bool Document::get_producer(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return getPropertyInternal(pRuntime, vp, "Producer", sError); } bool Document::set_producer(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return setPropertyInternal(pRuntime, vp, "Producer", sError); } bool Document::get_subject(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return getPropertyInternal(pRuntime, vp, "Subject", sError); } bool Document::set_subject(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return setPropertyInternal(pRuntime, vp, "Subject", sError); } bool Document::get_title(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv || !m_pFormFillEnv->GetUnderlyingDocument()) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } return getPropertyInternal(pRuntime, vp, "Title", sError); } bool Document::set_title(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { if (!m_pFormFillEnv || !m_pFormFillEnv->GetUnderlyingDocument()) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } return setPropertyInternal(pRuntime, vp, "Title", sError); } bool Document::get_num_pages(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } vp->Set(m_pFormFillEnv->GetPageCount()); return true; } bool Document::set_num_pages(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { *sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } bool Document::get_external(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { // In Chrome case, should always return true. vp->Set(true); return true; } bool Document::set_external(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::get_filesize(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { vp->Set(0); return true; } bool Document::set_filesize(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { *sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } bool Document::get_mouse_x(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return true; } bool Document::set_mouse_x(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::get_mouse_y(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return true; } bool Document::set_mouse_y(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::get_URL(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } vp->Set(m_pFormFillEnv->JS_docGetFilePath()); return true; } bool Document::set_URL(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { *sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } bool Document::get_base_URL(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { vp->Set(m_cwBaseURL); return true; } bool Document::set_base_URL(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { m_cwBaseURL = vp.ToWideString(); return true; } bool Document::get_calculate(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); vp->Set(!!pInterForm->IsCalculateEnabled()); return true; } bool Document::set_calculate(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); pInterForm->EnableCalculate(vp.ToBool()); return true; } bool Document::get_document_file_name(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } WideString wsFilePath = m_pFormFillEnv->JS_docGetFilePath(); size_t i = wsFilePath.GetLength(); for (; i > 0; i--) { if (wsFilePath[i - 1] == L'\\' || wsFilePath[i - 1] == L'/') break; } if (i > 0 && i < wsFilePath.GetLength()) vp->Set(wsFilePath.GetBuffer(wsFilePath.GetLength()) + i); else vp->Set(L""); return true; } bool Document::set_document_file_name(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { *sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } bool Document::get_path(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (!m_pFormFillEnv) { *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } vp->Set(app::SysPathToPDFPath(m_pFormFillEnv->JS_docGetFilePath())); return true; } bool Document::set_path(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { *sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } bool Document::get_page_window_rect(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return true; } bool Document::set_page_window_rect(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::get_layout(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return true; } bool Document::set_layout(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::addLink(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { return true; } bool Document::closeDoc(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { return true; } bool Document::getPageBox(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { return true; } bool Document::getAnnot(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (params.size() != 2) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } int nPageNo = params[0].ToInt(pRuntime); WideString swAnnotName = params[1].ToCFXWideString(pRuntime); CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(nPageNo); if (!pPageView) return false; CPDFSDK_AnnotIteration annotIteration(pPageView, false); CPDFSDK_BAAnnot* pSDKBAAnnot = nullptr; for (const auto& pSDKAnnotCur : annotIteration) { CPDFSDK_BAAnnot* pBAAnnot = static_cast(pSDKAnnotCur.Get()); if (pBAAnnot && pBAAnnot->GetAnnotName() == swAnnotName) { pSDKBAAnnot = pBAAnnot; break; } } if (!pSDKBAAnnot) return false; v8::Local pObj = pRuntime->NewFxDynamicObj(CJS_Annot::g_nObjDefnID); if (pObj.IsEmpty()) return false; CJS_Annot* pJS_Annot = static_cast(pRuntime->GetObjectPrivate(pObj)); Annot* pAnnot = static_cast(pJS_Annot->GetEmbedObject()); pAnnot->SetSDKAnnot(pSDKBAAnnot); vRet = CJS_Value(pRuntime, pJS_Annot); return true; } bool Document::getAnnots(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } // TODO(tonikitoo): Add support supported parameters as per // the PDF spec. int nPageNo = m_pFormFillEnv->GetPageCount(); CJS_Array annots; for (int i = 0; i < nPageNo; ++i) { CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(i); if (!pPageView) return false; CPDFSDK_AnnotIteration annotIteration(pPageView, false); for (const auto& pSDKAnnotCur : annotIteration) { if (!pSDKAnnotCur) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } v8::Local pObj = pRuntime->NewFxDynamicObj(CJS_Annot::g_nObjDefnID); if (pObj.IsEmpty()) return false; CJS_Annot* pJS_Annot = static_cast(pRuntime->GetObjectPrivate(pObj)); Annot* pAnnot = static_cast(pJS_Annot->GetEmbedObject()); pAnnot->SetSDKAnnot(static_cast(pSDKAnnotCur.Get())); annots.SetElement(pRuntime, i, CJS_Value(pRuntime, pJS_Annot)); } } vRet = CJS_Value(pRuntime, annots); return true; } bool Document::getAnnot3D(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { vRet.SetNull(pRuntime); return true; } bool Document::getAnnots3D(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { return true; } bool Document::getOCGs(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { return true; } bool Document::getLinks(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { return true; } bool Document::IsEnclosedInRect(CFX_FloatRect rect, CFX_FloatRect LinkRect) { return (rect.left <= LinkRect.left && rect.top <= LinkRect.top && rect.right >= LinkRect.right && rect.bottom >= LinkRect.bottom); } bool Document::addIcon(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (params.size() != 2) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } WideString swIconName = params[0].ToCFXWideString(pRuntime); if (params[1].GetType() != CJS_Value::VT_object) { sError = JSGetStringFromID(IDS_STRING_JSTYPEERROR); return false; } v8::Local pJSIcon = params[1].ToV8Object(pRuntime); if (CFXJS_Engine::GetObjDefnID(pJSIcon) != CJS_Icon::g_nObjDefnID) { sError = JSGetStringFromID(IDS_STRING_JSTYPEERROR); return false; } if (!params[1].ToCJSObject(pRuntime)->GetEmbedObject()) { sError = JSGetStringFromID(IDS_STRING_JSTYPEERROR); return false; } m_IconNames.push_back(swIconName); return true; } bool Document::get_icons(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { if (m_IconNames.empty()) { vp->GetJSValue()->SetNull(pRuntime); return true; } CJS_Array Icons; int i = 0; for (const auto& name : m_IconNames) { v8::Local pObj = pRuntime->NewFxDynamicObj(CJS_Icon::g_nObjDefnID); if (pObj.IsEmpty()) return false; CJS_Icon* pJS_Icon = static_cast(pRuntime->GetObjectPrivate(pObj)); Icon* pIcon = static_cast(pJS_Icon->GetEmbedObject()); pIcon->SetIconName(name); Icons.SetElement(pRuntime, i++, CJS_Value(pRuntime, pJS_Icon)); } vp->Set(Icons); return true; } bool Document::set_icons(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { *sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } bool Document::getIcon(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (params.size() != 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } WideString swIconName = params[0].ToCFXWideString(pRuntime); auto it = std::find(m_IconNames.begin(), m_IconNames.end(), swIconName); if (it == m_IconNames.end()) return false; v8::Local pObj = pRuntime->NewFxDynamicObj(CJS_Icon::g_nObjDefnID); if (pObj.IsEmpty()) return false; CJS_Icon* pJS_Icon = static_cast(pRuntime->GetObjectPrivate(pObj)); Icon* pIcon = static_cast(pJS_Icon->GetEmbedObject()); pIcon->SetIconName(*it); vRet = CJS_Value(pRuntime, pJS_Icon); return true; } bool Document::removeIcon(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, no supported. return true; } bool Document::createDataObject(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not implemented. return true; } bool Document::get_media(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return true; } bool Document::set_media(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::calculateNow(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) || m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM) || m_pFormFillEnv->GetPermissions(FPDFPERM_FILL_FORM))) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } m_pFormFillEnv->GetInterForm()->OnCalculate(); return true; } bool Document::get_collab(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return true; } bool Document::set_collab(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::getPageNthWord(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } // TODO(tsepez): check maximum allowable params. int nPageNo = params.size() > 0 ? params[0].ToInt(pRuntime) : 0; int nWordNo = params.size() > 1 ? params[1].ToInt(pRuntime) : 0; bool bStrip = params.size() > 2 ? params[2].ToBool(pRuntime) : true; CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument(); if (!pDocument) return false; if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount()) { sError = JSGetStringFromID(IDS_STRING_JSVALUEERROR); return false; } CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo); if (!pPageDict) return false; CPDF_Page page(pDocument, pPageDict, true); page.ParseContent(); int nWords = 0; WideString swRet; for (auto& pPageObj : *page.GetPageObjectList()) { if (pPageObj->IsText()) { CPDF_TextObject* pTextObj = pPageObj->AsText(); int nObjWords = CountWords(pTextObj); if (nWords + nObjWords >= nWordNo) { swRet = GetObjWordStr(pTextObj, nWordNo - nWords); break; } nWords += nObjWords; } } if (bStrip) { swRet.TrimLeft(); swRet.TrimRight(); } vRet = CJS_Value(pRuntime, swRet.c_str()); return true; } bool Document::getPageNthWordQuads(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } return false; } bool Document::getPageNumWords(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } int nPageNo = params.size() > 0 ? params[0].ToInt(pRuntime) : 0; CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument(); if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount()) { sError = JSGetStringFromID(IDS_STRING_JSVALUEERROR); return false; } CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo); if (!pPageDict) return false; CPDF_Page page(pDocument, pPageDict, true); page.ParseContent(); int nWords = 0; for (auto& pPageObj : *page.GetPageObjectList()) { if (pPageObj->IsText()) nWords += CountWords(pPageObj->AsText()); } vRet = CJS_Value(pRuntime, nWords); return true; } bool Document::getPrintParams(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { v8::Local pRetObj = pRuntime->NewFxDynamicObj(CJS_PrintParamsObj::g_nObjDefnID); if (pRetObj.IsEmpty()) return false; // Not implemented yet. vRet = CJS_Value(pRuntime, pRetObj); return true; } #define ISLATINWORD(u) (u != 0x20 && u <= 0x28FF) int Document::CountWords(CPDF_TextObject* pTextObj) { if (!pTextObj) return 0; int nWords = 0; CPDF_Font* pFont = pTextObj->GetFont(); if (!pFont) return 0; bool bIsLatin = false; for (int i = 0, sz = pTextObj->CountChars(); i < sz; i++) { uint32_t charcode = CPDF_Font::kInvalidCharCode; float kerning; pTextObj->GetCharInfo(i, &charcode, &kerning); WideString swUnicode = pFont->UnicodeFromCharCode(charcode); uint16_t unicode = 0; if (swUnicode.GetLength() > 0) unicode = swUnicode[0]; if (ISLATINWORD(unicode) && bIsLatin) continue; bIsLatin = ISLATINWORD(unicode); if (unicode != 0x20) nWords++; } return nWords; } WideString Document::GetObjWordStr(CPDF_TextObject* pTextObj, int nWordIndex) { WideString swRet; CPDF_Font* pFont = pTextObj->GetFont(); if (!pFont) return L""; int nWords = 0; bool bIsLatin = false; for (int i = 0, sz = pTextObj->CountChars(); i < sz; i++) { uint32_t charcode = CPDF_Font::kInvalidCharCode; float kerning; pTextObj->GetCharInfo(i, &charcode, &kerning); WideString swUnicode = pFont->UnicodeFromCharCode(charcode); uint16_t unicode = 0; if (swUnicode.GetLength() > 0) unicode = swUnicode[0]; if (ISLATINWORD(unicode) && bIsLatin) { } else { bIsLatin = ISLATINWORD(unicode); if (unicode != 0x20) nWords++; } if (nWords - 1 == nWordIndex) swRet += unicode; } return swRet; } bool Document::get_zoom(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return true; } bool Document::set_zoom(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::get_zoom_type(CJS_Runtime* pRuntime, CJS_PropValue* vp, WideString* sError) { return true; } bool Document::set_zoom_type(CJS_Runtime* pRuntime, const CJS_PropValue& vp, WideString* sError) { return true; } bool Document::deletePages(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, no supported. return true; } bool Document::extractPages(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } bool Document::insertPages(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } bool Document::replacePages(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } bool Document::getURL(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { // Unsafe, not supported. return true; } bool Document::gotoNamedDest(CJS_Runtime* pRuntime, const std::vector& params, CJS_Value& vRet, WideString& sError) { if (params.size() != 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } WideString wideName = params[0].ToCFXWideString(pRuntime); CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument(); if (!pDocument) return false; CPDF_NameTree nameTree(pDocument, "Dests"); CPDF_Array* destArray = nameTree.LookupNamedDest(pDocument, wideName); if (!destArray) return false; CPDF_Dest dest(destArray); const CPDF_Array* arrayObject = ToArray(dest.GetObject()); std::vector scrollPositionArray; if (arrayObject) { for (size_t i = 2; i < arrayObject->GetCount(); i++) scrollPositionArray.push_back(arrayObject->GetFloatAt(i)); } pRuntime->BeginBlock(); m_pFormFillEnv->DoGoToAction(dest.GetPageIndex(pDocument), dest.GetZoomMode(), scrollPositionArray.data(), scrollPositionArray.size()); pRuntime->EndBlock(); return true; } void Document::AddDelayData(CJS_DelayData* pData) { m_DelayData.push_back(std::unique_ptr(pData)); } void Document::DoFieldDelay(const WideString& sFieldName, int nControlIndex) { std::vector> DelayDataForFieldAndControlIndex; auto iter = m_DelayData.begin(); while (iter != m_DelayData.end()) { auto old = iter++; if ((*old)->sFieldName == sFieldName && (*old)->nControlIndex == nControlIndex) { DelayDataForFieldAndControlIndex.push_back(std::move(*old)); m_DelayData.erase(old); } } for (const auto& pData : DelayDataForFieldAndControlIndex) Field::DoDelay(m_pFormFillEnv.Get(), pData.get()); } CJS_Document* Document::GetCJSDoc() const { return static_cast(m_pJSObject.Get()); }