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// Copyright 2016 The PDFium Authors
// 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/fpdfxfa/cpdfxfa_docenvironment.h"
#include <utility>
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_stream.h"
#include "core/fpdfapi/parser/cpdf_stream_acc.h"
#include "core/fpdfapi/parser/cpdf_string.h"
#include "core/fxcrt/check.h"
#include "core/fxcrt/retain_ptr.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_helpers.h"
#include "fpdfsdk/cpdfsdk_interactiveform.h"
#include "fpdfsdk/cpdfsdk_pageview.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
#include "xfa/fxfa/cxfa_ffdocview.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/cxfa_ffwidgethandler.h"
#include "xfa/fxfa/cxfa_readynodeiterator.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#include "xfa/fxfa/parser/cxfa_submit.h"
#define IDS_XFA_Validate_Input \
"At least one required field was empty. Please fill in the required " \
"fields\r\n(highlighted) before continuing."
// submit
#define FXFA_CONFIG 0x00000001
#define FXFA_TEMPLATE 0x00000010
#define FXFA_LOCALESET 0x00000100
#define FXFA_DATASETS 0x00001000
#define FXFA_XMPMETA 0x00010000
#define FXFA_XFDF 0x00100000
#define FXFA_FORM 0x01000000
#define FXFA_PDF 0x10000000
#define FXFA_XFA_ALL 0x01111111
// Although there isn't direct casting between these types at present,
// keep the internal and exernal types in sync.
static_assert(FXFA_PAGEVIEWEVENT_POSTADDED ==
static_cast<int>(CXFA_FFDoc::PageViewEvent::kPostAdded),
"kPostAdded mismatch");
static_assert(FXFA_PAGEVIEWEVENT_POSTREMOVED ==
static_cast<int>(CXFA_FFDoc::PageViewEvent::kPostRemoved),
"kPostRemoved mismatch");
CPDFXFA_DocEnvironment::CPDFXFA_DocEnvironment(CPDFXFA_Context* pContext)
: m_pContext(pContext) {
DCHECK(m_pContext);
}
CPDFXFA_DocEnvironment::~CPDFXFA_DocEnvironment() = default;
void CPDFXFA_DocEnvironment::SetChangeMark(CXFA_FFDoc* hDoc) {
if (hDoc == m_pContext->GetXFADoc() && m_pContext->GetFormFillEnv())
m_pContext->GetFormFillEnv()->SetChangeMark();
}
void CPDFXFA_DocEnvironment::InvalidateRect(CXFA_FFPageView* pPageView,
const CFX_RectF& rt) {
if (!m_pContext->GetXFADoc() || !m_pContext->GetFormFillEnv())
return;
if (m_pContext->GetFormType() != FormType::kXFAFull)
return;
RetainPtr<CPDFXFA_Page> pPage = m_pContext->GetXFAPage(pPageView);
if (!pPage)
return;
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return;
pFormFillEnv->Invalidate(pPage.Get(), rt.ToFloatRect().ToFxRect());
}
void CPDFXFA_DocEnvironment::DisplayCaret(CXFA_FFWidget* hWidget,
bool bVisible,
const CFX_RectF* pRtAnchor) {
if (!hWidget || !pRtAnchor || !m_pContext->GetXFADoc() ||
!m_pContext->GetFormFillEnv() || !m_pContext->GetXFADocView())
return;
if (m_pContext->GetFormType() != FormType::kXFAFull)
return;
CXFA_FFWidgetHandler* pWidgetHandler =
m_pContext->GetXFADocView()->GetWidgetHandler();
if (!pWidgetHandler)
return;
CXFA_FFPageView* pPageView = hWidget->GetPageView();
if (!pPageView)
return;
RetainPtr<CPDFXFA_Page> pPage = m_pContext->GetXFAPage(pPageView);
if (!pPage)
return;
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return;
CFX_FloatRect rcCaret = pRtAnchor->ToFloatRect();
pFormFillEnv->DisplayCaret(pPage.Get(), bVisible, rcCaret.left, rcCaret.top,
rcCaret.right, rcCaret.bottom);
}
bool CPDFXFA_DocEnvironment::GetPopupPos(CXFA_FFWidget* hWidget,
float fMinPopup,
float fMaxPopup,
const CFX_RectF& rtAnchor,
CFX_RectF* pPopupRect) {
if (!hWidget)
return false;
CXFA_FFPageView* pXFAPageView = hWidget->GetPageView();
if (!pXFAPageView)
return false;
RetainPtr<CPDFXFA_Page> pPage = m_pContext->GetXFAPage(pXFAPageView);
if (!pPage)
return false;
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return false;
FS_RECTF page_view_rect = pFormFillEnv->GetPageViewRect(pPage.Get());
int nRotate = hWidget->GetNode()->GetRotate();
int space_available_below_anchor;
int space_available_above_anchor;
switch (nRotate) {
case 0:
default: {
space_available_below_anchor =
static_cast<int>(page_view_rect.bottom - rtAnchor.bottom());
space_available_above_anchor =
static_cast<int>(rtAnchor.top - page_view_rect.top);
if (rtAnchor.left < page_view_rect.left)
pPopupRect->left += page_view_rect.left - rtAnchor.left;
if (rtAnchor.right() > page_view_rect.right)
pPopupRect->left -= rtAnchor.right() - page_view_rect.right;
break;
}
case 90: {
space_available_below_anchor =
static_cast<int>(page_view_rect.right - rtAnchor.right());
space_available_above_anchor =
static_cast<int>(rtAnchor.left - page_view_rect.left);
if (rtAnchor.bottom() > page_view_rect.bottom)
pPopupRect->left += rtAnchor.bottom() - page_view_rect.bottom;
if (rtAnchor.top < page_view_rect.top)
pPopupRect->left -= page_view_rect.top - rtAnchor.top;
break;
}
case 180: {
space_available_below_anchor =
static_cast<int>(rtAnchor.top - page_view_rect.top);
space_available_above_anchor =
static_cast<int>(page_view_rect.bottom - rtAnchor.bottom());
if (rtAnchor.right() > page_view_rect.right)
pPopupRect->left += rtAnchor.right() - page_view_rect.right;
if (rtAnchor.left < page_view_rect.left)
pPopupRect->left -= page_view_rect.left - rtAnchor.left;
break;
}
case 270: {
space_available_below_anchor =
static_cast<int>(rtAnchor.left - page_view_rect.left);
space_available_above_anchor =
static_cast<int>(page_view_rect.right - rtAnchor.right());
if (rtAnchor.top < page_view_rect.top)
pPopupRect->left += page_view_rect.top - rtAnchor.top;
if (rtAnchor.bottom() > page_view_rect.bottom)
pPopupRect->left -= rtAnchor.bottom() - page_view_rect.bottom;
break;
}
}
// If there is no space on either side, the popup can't be rendered.
if (space_available_below_anchor <= 0 && space_available_above_anchor <= 0)
return false;
// Determine whether to draw above or below the anchor.
bool draw_below_anchor;
if (space_available_below_anchor <= 0)
draw_below_anchor = false;
else if (space_available_above_anchor <= 0)
draw_below_anchor = true;
else if (space_available_below_anchor > space_available_above_anchor)
draw_below_anchor = true;
else
draw_below_anchor = false;
int space_available = (draw_below_anchor ? space_available_below_anchor
: space_available_above_anchor);
// Set the popup height and y position according to what was decided above.
float popup_height;
if (space_available < fMinPopup)
popup_height = fMinPopup;
else if (space_available > fMaxPopup)
popup_height = fMaxPopup;
else
popup_height = static_cast<float>(space_available);
switch (nRotate) {
case 0:
case 180: {
if (draw_below_anchor)
pPopupRect->top = rtAnchor.height;
else
pPopupRect->top = -popup_height;
break;
}
case 90:
case 270: {
if (draw_below_anchor)
pPopupRect->top = rtAnchor.width;
else
pPopupRect->top = -popup_height;
break;
}
default:
break;
}
pPopupRect->height = popup_height;
return true;
}
bool CPDFXFA_DocEnvironment::PopupMenu(CXFA_FFWidget* hWidget,
const CFX_PointF& ptPopup) {
if (!hWidget)
return false;
CXFA_FFPageView* pXFAPageView = hWidget->GetPageView();
if (!pXFAPageView)
return false;
RetainPtr<CPDFXFA_Page> pPage = m_pContext->GetXFAPage(pXFAPageView);
if (!pPage)
return false;
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return false;
int menuFlag = 0;
if (hWidget->CanUndo())
menuFlag |= FXFA_MENU_UNDO;
if (hWidget->CanRedo())
menuFlag |= FXFA_MENU_REDO;
if (hWidget->CanPaste())
menuFlag |= FXFA_MENU_PASTE;
if (hWidget->CanCopy())
menuFlag |= FXFA_MENU_COPY;
if (hWidget->CanCut())
menuFlag |= FXFA_MENU_CUT;
if (hWidget->CanSelectAll())
menuFlag |= FXFA_MENU_SELECTALL;
return pFormFillEnv->PopupMenu(pPage.Get(), menuFlag, ptPopup);
}
void CPDFXFA_DocEnvironment::OnPageViewEvent(CXFA_FFPageView* pPageView,
CXFA_FFDoc::PageViewEvent eEvent) {
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return;
if (m_pContext->GetLoadStatus() == CPDFXFA_Context::LoadStatus::kLoading ||
m_pContext->GetLoadStatus() == CPDFXFA_Context::LoadStatus::kClosing ||
eEvent != CXFA_FFDoc::PageViewEvent::kStopLayout) {
return;
}
int nNewCount = m_pContext->GetPageCount();
if (nNewCount == m_pContext->GetOriginalPageCount())
return;
CXFA_FFDocView* pXFADocView = m_pContext->GetXFADocView();
if (!pXFADocView)
return;
for (int i = 0; i < m_pContext->GetOriginalPageCount(); ++i) {
RetainPtr<CPDFXFA_Page> pPage = m_pContext->GetXFAPage(i);
if (!pPage)
continue;
m_pContext->GetFormFillEnv()->RemovePageView(pPage.Get());
pPage->SetXFAPageViewIndex(i);
}
int flag = (nNewCount < m_pContext->GetOriginalPageCount())
? FXFA_PAGEVIEWEVENT_POSTREMOVED
: FXFA_PAGEVIEWEVENT_POSTADDED;
int count = abs(nNewCount - m_pContext->GetOriginalPageCount());
m_pContext->SetOriginalPageCount(nNewCount);
pFormFillEnv->PageEvent(count, flag);
}
void CPDFXFA_DocEnvironment::WidgetPostAdd(CXFA_FFWidget* hWidget) {
if (m_pContext->GetFormType() != FormType::kXFAFull)
return;
CXFA_FFPageView* pPageView = hWidget->GetPageView();
if (!pPageView)
return;
RetainPtr<CPDFXFA_Page> pXFAPage = m_pContext->GetXFAPage(pPageView);
if (!pXFAPage)
return;
auto* formfill = m_pContext->GetFormFillEnv();
formfill->GetOrCreatePageView(pXFAPage.Get())->AddAnnotForFFWidget(hWidget);
}
void CPDFXFA_DocEnvironment::WidgetPreRemove(CXFA_FFWidget* hWidget) {
if (m_pContext->GetFormType() != FormType::kXFAFull)
return;
CXFA_FFPageView* pPageView = hWidget->GetPageView();
if (!pPageView)
return;
RetainPtr<CPDFXFA_Page> pXFAPage = m_pContext->GetXFAPage(pPageView);
if (!pXFAPage)
return;
CPDFSDK_PageView* pSdkPageView =
m_pContext->GetFormFillEnv()->GetOrCreatePageView(pXFAPage.Get());
pSdkPageView->DeleteAnnotForFFWidget(hWidget);
}
int32_t CPDFXFA_DocEnvironment::CountPages(const CXFA_FFDoc* hDoc) const {
if (hDoc == m_pContext->GetXFADoc() && m_pContext->GetFormFillEnv())
return m_pContext->GetPageCount();
return 0;
}
int32_t CPDFXFA_DocEnvironment::GetCurrentPage(const CXFA_FFDoc* hDoc) const {
if (hDoc != m_pContext->GetXFADoc() || !m_pContext->GetFormFillEnv())
return -1;
if (m_pContext->GetFormType() != FormType::kXFAFull)
return -1;
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
return pFormFillEnv ? pFormFillEnv->GetCurrentPageIndex() : -1;
}
void CPDFXFA_DocEnvironment::SetCurrentPage(CXFA_FFDoc* hDoc,
int32_t iCurPage) {
if (hDoc != m_pContext->GetXFADoc() || !m_pContext->GetFormFillEnv() ||
!m_pContext->ContainsExtensionForm() || iCurPage < 0 ||
iCurPage >= m_pContext->GetFormFillEnv()->GetPageCount()) {
return;
}
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return;
pFormFillEnv->SetCurrentPage(iCurPage);
}
bool CPDFXFA_DocEnvironment::IsCalculationsEnabled(
const CXFA_FFDoc* hDoc) const {
if (hDoc != m_pContext->GetXFADoc() || !m_pContext->GetFormFillEnv())
return false;
auto* pForm = m_pContext->GetFormFillEnv()->GetInteractiveForm();
return pForm->IsXfaCalculateEnabled();
}
void CPDFXFA_DocEnvironment::SetCalculationsEnabled(CXFA_FFDoc* hDoc,
bool bEnabled) {
if (hDoc != m_pContext->GetXFADoc() || !m_pContext->GetFormFillEnv())
return;
m_pContext->GetFormFillEnv()->GetInteractiveForm()->XfaEnableCalculate(
bEnabled);
}
WideString CPDFXFA_DocEnvironment::GetTitle(const CXFA_FFDoc* hDoc) const {
if (hDoc != m_pContext->GetXFADoc())
return WideString();
CPDF_Document* pPDFDoc = m_pContext->GetPDFDoc();
if (!pPDFDoc)
return WideString();
RetainPtr<const CPDF_Dictionary> pInfoDict = pPDFDoc->GetInfo();
if (!pInfoDict)
return WideString();
ByteString csTitle = pInfoDict->GetByteStringFor("Title");
return WideString::FromDefANSI(csTitle.AsStringView());
}
void CPDFXFA_DocEnvironment::SetTitle(CXFA_FFDoc* hDoc,
const WideString& wsTitle) {
if (hDoc != m_pContext->GetXFADoc())
return;
CPDF_Document* pPDFDoc = m_pContext->GetPDFDoc();
if (!pPDFDoc)
return;
RetainPtr<CPDF_Dictionary> pInfoDict = pPDFDoc->GetInfo();
if (pInfoDict)
pInfoDict->SetNewFor<CPDF_String>("Title", wsTitle.AsStringView());
}
void CPDFXFA_DocEnvironment::ExportData(CXFA_FFDoc* hDoc,
const WideString& wsFilePath,
bool bXDP) {
if (hDoc != m_pContext->GetXFADoc())
return;
if (!m_pContext->ContainsExtensionForm())
return;
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return;
int fileType = bXDP ? FXFA_SAVEAS_XDP : FXFA_SAVEAS_XML;
ByteString bs = wsFilePath.ToUTF16LE();
if (wsFilePath.IsEmpty()) {
if (!pFormFillEnv->GetFormFillInfo() ||
!pFormFillEnv->GetFormFillInfo()->m_pJsPlatform) {
return;
}
WideString filepath = pFormFillEnv->JS_fieldBrowse();
bs = filepath.ToUTF16LE();
}
FPDF_FILEHANDLER* pFileHandler = pFormFillEnv->OpenFile(
bXDP ? FXFA_SAVEAS_XDP : FXFA_SAVEAS_XML, AsFPDFWideString(&bs), "wb");
if (!pFileHandler)
return;
RetainPtr<IFX_SeekableStream> fileWrite = MakeSeekableStream(pFileHandler);
if (fileType == FXFA_SAVEAS_XML) {
fileWrite->WriteString("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n");
CXFA_FFDoc* ffdoc = m_pContext->GetXFADocView()->GetDoc();
ffdoc->SavePackage(
ToNode(ffdoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Data)), fileWrite);
} else if (fileType == FXFA_SAVEAS_XDP) {
if (!m_pContext->GetPDFDoc())
return;
const CPDF_Dictionary* pRoot = m_pContext->GetPDFDoc()->GetRoot();
if (!pRoot)
return;
RetainPtr<const CPDF_Dictionary> pAcroForm = pRoot->GetDictFor("AcroForm");
if (!pAcroForm)
return;
RetainPtr<const CPDF_Array> pArray =
ToArray(pAcroForm->GetObjectFor("XFA"));
if (!pArray)
return;
for (size_t i = 1; i < pArray->size(); i += 2) {
RetainPtr<const CPDF_Object> pPDFObj = pArray->GetObjectAt(i);
RetainPtr<const CPDF_Object> pPrePDFObj = pArray->GetObjectAt(i - 1);
if (!pPrePDFObj->IsString())
continue;
if (!pPDFObj->IsReference())
continue;
RetainPtr<const CPDF_Stream> pStream = ToStream(pPDFObj->GetDirect());
if (!pStream)
continue;
if (pPrePDFObj->GetString() == "form") {
CXFA_FFDoc* ffdoc = m_pContext->GetXFADocView()->GetDoc();
ffdoc->SavePackage(
ToNode(ffdoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Form)),
fileWrite);
continue;
}
if (pPrePDFObj->GetString() == "datasets") {
CXFA_FFDoc* ffdoc = m_pContext->GetXFADocView()->GetDoc();
ffdoc->SavePackage(
ToNode(ffdoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Datasets)),
fileWrite);
continue;
}
if (i == pArray->size() - 1) {
WideString wPath = WideString::FromUTF16LE(bs.unsigned_span());
ByteString bPath = wPath.ToUTF8();
static const char kFormat[] =
"\n<pdf href=\"%s\" xmlns=\"http://ns.adobe.com/xdp/pdf/\"/>";
ByteString content = ByteString::Format(kFormat, bPath.c_str());
fileWrite->WriteString(content.AsStringView());
}
auto pAcc = pdfium::MakeRetain<CPDF_StreamAcc>(std::move(pStream));
pAcc->LoadAllDataFiltered();
fileWrite->WriteBlock(pAcc->GetSpan());
}
}
fileWrite->Flush();
}
void CPDFXFA_DocEnvironment::GotoURL(CXFA_FFDoc* hDoc,
const WideString& wsURL) {
if (hDoc != m_pContext->GetXFADoc())
return;
if (m_pContext->GetFormType() != FormType::kXFAFull)
return;
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return;
pFormFillEnv->GotoURL(wsURL);
}
bool CPDFXFA_DocEnvironment::IsValidationsEnabled(
const CXFA_FFDoc* hDoc) const {
if (hDoc != m_pContext->GetXFADoc() || !m_pContext->GetFormFillEnv())
return false;
auto* pForm = m_pContext->GetFormFillEnv()->GetInteractiveForm();
return pForm->IsXfaValidationsEnabled();
}
void CPDFXFA_DocEnvironment::SetValidationsEnabled(CXFA_FFDoc* hDoc,
bool bEnabled) {
if (hDoc != m_pContext->GetXFADoc() || !m_pContext->GetFormFillEnv())
return;
m_pContext->GetFormFillEnv()->GetInteractiveForm()->XfaSetValidationsEnabled(
bEnabled);
}
void CPDFXFA_DocEnvironment::SetFocusWidget(CXFA_FFDoc* hDoc,
CXFA_FFWidget* hWidget) {
if (hDoc != m_pContext->GetXFADoc())
return;
if (!hWidget) {
ObservedPtr<CPDFSDK_Annot> pNull;
m_pContext->GetFormFillEnv()->SetFocusAnnot(pNull);
return;
}
int pageViewCount = m_pContext->GetFormFillEnv()->GetPageViewCount();
for (int i = 0; i < pageViewCount; i++) {
CPDFSDK_PageView* pPageView =
m_pContext->GetFormFillEnv()->GetPageViewAtIndex(i);
if (!pPageView)
continue;
ObservedPtr<CPDFSDK_Annot> pAnnot(pPageView->GetAnnotForFFWidget(hWidget));
if (pAnnot) {
m_pContext->GetFormFillEnv()->SetFocusAnnot(pAnnot);
break;
}
}
}
void CPDFXFA_DocEnvironment::Print(CXFA_FFDoc* hDoc,
int32_t nStartPage,
int32_t nEndPage,
Mask<XFA_PrintOpt> dwOptions) {
if (hDoc != m_pContext->GetXFADoc())
return;
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv || !pFormFillEnv->GetFormFillInfo() ||
!pFormFillEnv->GetFormFillInfo()->m_pJsPlatform ||
!pFormFillEnv->GetFormFillInfo()->m_pJsPlatform->Doc_print) {
return;
}
pFormFillEnv->GetFormFillInfo()->m_pJsPlatform->Doc_print(
pFormFillEnv->GetFormFillInfo()->m_pJsPlatform,
!!(dwOptions & XFA_PrintOpt::kShowDialog), nStartPage, nEndPage,
!!(dwOptions & XFA_PrintOpt::kCanCancel),
!!(dwOptions & XFA_PrintOpt::kShrinkPage),
!!(dwOptions & XFA_PrintOpt::kAsImage),
!!(dwOptions & XFA_PrintOpt::kReverseOrder),
!!(dwOptions & XFA_PrintOpt::kPrintAnnot));
}
FX_ARGB CPDFXFA_DocEnvironment::GetHighlightColor(
const CXFA_FFDoc* hDoc) const {
if (hDoc != m_pContext->GetXFADoc() || !m_pContext->GetFormFillEnv())
return 0;
CPDFSDK_InteractiveForm* pForm =
m_pContext->GetFormFillEnv()->GetInteractiveForm();
return AlphaAndColorRefToArgb(pForm->GetHighlightAlpha(),
pForm->GetHighlightColor(FormFieldType::kXFA));
}
IJS_Runtime* CPDFXFA_DocEnvironment::GetIJSRuntime(
const CXFA_FFDoc* hDoc) const {
if (hDoc != m_pContext->GetXFADoc())
return nullptr;
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
return pFormFillEnv ? pFormFillEnv->GetIJSRuntime() : nullptr;
}
CFX_XMLDocument* CPDFXFA_DocEnvironment::GetXMLDoc() const {
return m_pContext->GetXMLDoc();
}
RetainPtr<IFX_SeekableReadStream> CPDFXFA_DocEnvironment::OpenLinkedFile(
CXFA_FFDoc* hDoc,
const WideString& wsLink) {
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return nullptr;
ByteString bs = wsLink.ToUTF16LE();
FPDF_FILEHANDLER* pFileHandler =
pFormFillEnv->OpenFile(0, AsFPDFWideString(&bs), "rb");
if (!pFileHandler)
return nullptr;
return MakeSeekableStream(pFileHandler);
}
#ifdef PDF_XFA_ELEMENT_SUBMIT_ENABLED
bool CPDFXFA_DocEnvironment::Submit(CXFA_FFDoc* hDoc, CXFA_Submit* submit) {
if (!OnBeforeNotifySubmit() || !m_pContext->GetXFADocView())
return false;
m_pContext->GetXFADocView()->UpdateDocView();
bool ret = SubmitInternal(hDoc, submit);
OnAfterNotifySubmit();
return ret;
}
bool CPDFXFA_DocEnvironment::MailToInfo(WideString& csURL,
WideString& csToAddress,
WideString& csCCAddress,
WideString& csBCCAddress,
WideString& csSubject,
WideString& csMsg) {
WideString srcURL = csURL;
srcURL.TrimWhitespaceFront();
if (!srcURL.Left(7).EqualsASCIINoCase("mailto:")) {
return false;
}
auto pos = srcURL.Find(L'?');
{
WideString tmp;
if (!pos.has_value()) {
pos = srcURL.Find(L'@');
if (!pos.has_value())
return false;
tmp = srcURL.Right(csURL.GetLength() - 7);
} else {
tmp = srcURL.Left(pos.value());
tmp = tmp.Right(tmp.GetLength() - 7);
}
tmp.TrimWhitespace();
csToAddress = std::move(tmp);
}
srcURL = srcURL.Right(srcURL.GetLength() - (pos.value() + 1));
while (!srcURL.IsEmpty()) {
srcURL.TrimWhitespace();
pos = srcURL.Find(L'&');
WideString tmp = (!pos.has_value()) ? srcURL : srcURL.Left(pos.value());
tmp.TrimWhitespace();
if (tmp.GetLength() >= 3 && tmp.Left(3).EqualsASCIINoCase("cc=")) {
tmp = tmp.Right(tmp.GetLength() - 3);
if (!csCCAddress.IsEmpty())
csCCAddress += L';';
csCCAddress += tmp;
} else if (tmp.GetLength() >= 4 && tmp.Left(4).EqualsASCIINoCase("bcc=")) {
tmp = tmp.Right(tmp.GetLength() - 4);
if (!csBCCAddress.IsEmpty())
csBCCAddress += L';';
csBCCAddress += tmp;
} else if (tmp.GetLength() >= 8 &&
tmp.Left(8).EqualsASCIINoCase("subject=")) {
tmp = tmp.Right(tmp.GetLength() - 8);
csSubject += tmp;
} else if (tmp.GetLength() >= 5 && tmp.Left(5).EqualsASCIINoCase("body=")) {
tmp = tmp.Right(tmp.GetLength() - 5);
csMsg += tmp;
}
srcURL = pos.has_value()
? srcURL.Right(csURL.GetLength() - (pos.value() + 1))
: WideString();
}
csToAddress.Replace(L",", L";");
csCCAddress.Replace(L",", L";");
csBCCAddress.Replace(L",", L";");
return true;
}
bool CPDFXFA_DocEnvironment::ExportSubmitFile(FPDF_FILEHANDLER* pFileHandler,
int fileType,
FPDF_DWORD encodeType,
FPDF_DWORD flag) {
if (!m_pContext->GetXFADocView())
return false;
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return false;
CXFA_FFDoc* ffdoc = m_pContext->GetXFADocView()->GetDoc();
RetainPtr<IFX_SeekableStream> fileStream = MakeSeekableStream(pFileHandler);
if (fileType == FXFA_SAVEAS_XML) {
fileStream->WriteString("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n");
ffdoc->SavePackage(
ToNode(ffdoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Data)),
fileStream);
return true;
}
if (fileType != FXFA_SAVEAS_XDP)
return true;
if (!flag) {
flag = FXFA_CONFIG | FXFA_TEMPLATE | FXFA_LOCALESET | FXFA_DATASETS |
FXFA_XMPMETA | FXFA_XFDF | FXFA_FORM;
}
if (!m_pContext->GetPDFDoc()) {
fileStream->Flush();
return false;
}
const CPDF_Dictionary* pRoot = m_pContext->GetPDFDoc()->GetRoot();
if (!pRoot) {
fileStream->Flush();
return false;
}
RetainPtr<const CPDF_Dictionary> pAcroForm = pRoot->GetDictFor("AcroForm");
if (!pAcroForm) {
fileStream->Flush();
return false;
}
RetainPtr<const CPDF_Array> pArray = ToArray(pAcroForm->GetObjectFor("XFA"));
if (!pArray) {
fileStream->Flush();
return false;
}
for (size_t i = 1; i < pArray->size(); i += 2) {
RetainPtr<const CPDF_Object> pPDFObj = pArray->GetObjectAt(i);
RetainPtr<const CPDF_Object> pPrePDFObj = pArray->GetObjectAt(i - 1);
if (!pPrePDFObj->IsString())
continue;
if (!pPDFObj->IsReference())
continue;
RetainPtr<const CPDF_Object> pDirectObj = pPDFObj->GetDirect();
if (!pDirectObj->IsStream())
continue;
ByteString bsType = pPrePDFObj->GetString();
if (bsType == "config" && !(flag & FXFA_CONFIG))
continue;
if (bsType == "template" && !(flag & FXFA_TEMPLATE))
continue;
if (bsType == "localeSet" && !(flag & FXFA_LOCALESET))
continue;
if (bsType == "datasets" && !(flag & FXFA_DATASETS))
continue;
if (bsType == "xmpmeta" && !(flag & FXFA_XMPMETA))
continue;
if (bsType == "xfdf" && !(flag & FXFA_XFDF))
continue;
if (bsType == "form" && !(flag & FXFA_FORM))
continue;
if (bsType == "form") {
ffdoc->SavePackage(
ToNode(ffdoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Form)),
fileStream);
} else if (pPrePDFObj->GetString() == "datasets") {
ffdoc->SavePackage(
ToNode(ffdoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Datasets)),
fileStream);
}
}
return true;
}
void CPDFXFA_DocEnvironment::ToXFAContentFlags(WideString csSrcContent,
FPDF_DWORD& flag) {
if (csSrcContent.Contains(L" config "))
flag |= FXFA_CONFIG;
if (csSrcContent.Contains(L" template "))
flag |= FXFA_TEMPLATE;
if (csSrcContent.Contains(L" localeSet "))
flag |= FXFA_LOCALESET;
if (csSrcContent.Contains(L" datasets "))
flag |= FXFA_DATASETS;
if (csSrcContent.Contains(L" xmpmeta "))
flag |= FXFA_XMPMETA;
if (csSrcContent.Contains(L" xfdf "))
flag |= FXFA_XFDF;
if (csSrcContent.Contains(L" form "))
flag |= FXFA_FORM;
if (flag == 0) {
flag = FXFA_CONFIG | FXFA_TEMPLATE | FXFA_LOCALESET | FXFA_DATASETS |
FXFA_XMPMETA | FXFA_XFDF | FXFA_FORM;
}
}
bool CPDFXFA_DocEnvironment::OnBeforeNotifySubmit() {
if (!m_pContext->ContainsXFAForm())
return true;
CXFA_FFDocView* docView = m_pContext->GetXFADocView();
if (!docView)
return true;
CXFA_FFWidgetHandler* pWidgetHandler = docView->GetWidgetHandler();
if (!pWidgetHandler)
return true;
auto it = docView->CreateReadyNodeIterator();
if (it) {
CXFA_EventParam Param;
Param.m_eType = XFA_EVENT_PreSubmit;
while (CXFA_Node* pNode = it->MoveToNext())
pWidgetHandler->ProcessEvent(pNode, &Param);
}
it = docView->CreateReadyNodeIterator();
if (!it)
return true;
(void)it->MoveToNext();
CXFA_Node* pNode = it->MoveToNext();
while (pNode) {
if (pNode->ProcessValidate(docView, -1) == XFA_EventError::kError) {
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return false;
pFormFillEnv->JS_appAlert(WideString::FromDefANSI(IDS_XFA_Validate_Input),
WideString(), JSPLATFORM_ALERT_BUTTON_OK,
JSPLATFORM_ALERT_ICON_WARNING);
return false;
}
pNode = it->MoveToNext();
}
docView->UpdateDocView();
return true;
}
void CPDFXFA_DocEnvironment::OnAfterNotifySubmit() {
if (!m_pContext->ContainsXFAForm())
return;
if (!m_pContext->GetXFADocView())
return;
CXFA_FFWidgetHandler* pWidgetHandler =
m_pContext->GetXFADocView()->GetWidgetHandler();
if (!pWidgetHandler)
return;
auto it = m_pContext->GetXFADocView()->CreateReadyNodeIterator();
if (!it)
return;
CXFA_EventParam Param;
Param.m_eType = XFA_EVENT_PostSubmit;
CXFA_Node* pNode = it->MoveToNext();
while (pNode) {
pWidgetHandler->ProcessEvent(pNode, &Param);
pNode = it->MoveToNext();
}
m_pContext->GetXFADocView()->UpdateDocView();
}
bool CPDFXFA_DocEnvironment::SubmitInternal(CXFA_FFDoc* hDoc,
CXFA_Submit* submit) {
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return false;
WideString csURL = submit->GetSubmitTarget();
if (csURL.IsEmpty()) {
pFormFillEnv->JS_appAlert(WideString::FromDefANSI("Submit cancelled."),
WideString(), JSPLATFORM_ALERT_BUTTON_OK,
JSPLATFORM_ALERT_ICON_ASTERISK);
return false;
}
FPDF_FILEHANDLER* pFileHandler = nullptr;
int fileFlag = -1;
switch (submit->GetSubmitFormat()) {
case XFA_AttributeValue::Xdp: {
WideString csContent = submit->GetSubmitXDPContent();
csContent.TrimWhitespace();
WideString space = WideString::FromDefANSI(" ");
csContent = space + csContent + space;
FPDF_DWORD flag = 0;
if (submit->IsSubmitEmbedPDF())
flag |= FXFA_PDF;
ToXFAContentFlags(csContent, flag);
pFileHandler = pFormFillEnv->OpenFile(FXFA_SAVEAS_XDP, nullptr, "wb");
fileFlag = FXFA_SAVEAS_XDP;
ExportSubmitFile(pFileHandler, FXFA_SAVEAS_XDP, 0, flag);
break;
}
case XFA_AttributeValue::Xml:
pFileHandler = pFormFillEnv->OpenFile(FXFA_SAVEAS_XML, nullptr, "wb");
fileFlag = FXFA_SAVEAS_XML;
ExportSubmitFile(pFileHandler, FXFA_SAVEAS_XML, 0, FXFA_XFA_ALL);
break;
case XFA_AttributeValue::Pdf:
break;
case XFA_AttributeValue::Urlencoded:
pFileHandler = pFormFillEnv->OpenFile(FXFA_SAVEAS_XML, nullptr, "wb");
fileFlag = FXFA_SAVEAS_XML;
ExportSubmitFile(pFileHandler, FXFA_SAVEAS_XML, 0, FXFA_XFA_ALL);
break;
default:
return false;
}
if (!pFileHandler)
return false;
if (csURL.Left(7).EqualsASCIINoCase("mailto:")) {
WideString csToAddress;
WideString csCCAddress;
WideString csBCCAddress;
WideString csSubject;
WideString csMsg;
if (!MailToInfo(csURL, csToAddress, csCCAddress, csBCCAddress, csSubject,
csMsg)) {
return false;
}
ByteString bsTo = WideString(csToAddress).ToUTF16LE();
ByteString bsCC = WideString(csCCAddress).ToUTF16LE();
ByteString bsBcc = WideString(csBCCAddress).ToUTF16LE();
ByteString bsSubject = WideString(csSubject).ToUTF16LE();
ByteString bsMsg = WideString(csMsg).ToUTF16LE();
pFormFillEnv->EmailTo(pFileHandler, AsFPDFWideString(&bsTo),
AsFPDFWideString(&bsSubject), AsFPDFWideString(&bsCC),
AsFPDFWideString(&bsBcc), AsFPDFWideString(&bsMsg));
return true;
}
// HTTP or FTP
ByteString bs = csURL.ToUTF16LE();
pFormFillEnv->UploadTo(pFileHandler, fileFlag, AsFPDFWideString(&bs));
return true;
}
#endif // PDF_XFA_ELEMENT_SUBMIT_ENABLED