| //======================================================================== |
| // |
| // JSInfo.cc |
| // |
| // This file is licensed under the GPLv2 or later |
| // |
| // Copyright (C) 2013 Adrian Johnson <ajohnson@redneon.com> |
| // Copyright (C) 2017, 2020, 2021, 2024 Albert Astals Cid <aacid@kde.org> |
| // Copyright (C) 2018 Klarälvdalens Datakonsult AB, a KDAB Group company, <info@kdab.com>. Work sponsored by the LiMux project of the city of Munich |
| // Copyright (C) 2020 Oliver Sander <oliver.sander@tu-dresden.de> |
| // Copyright (C) 2020 Nelson Benítez León <nbenitezl@gmail.com> |
| // Copyright (C) 2024 g10 Code GmbH, Author: Sune Stolborg Vuorela <sune@vuorela.dk> |
| // |
| // To see a description of the changes please see the Changelog file that |
| // came with your tarball or type make ChangeLog if you are building from git |
| // |
| //======================================================================== |
| |
| #include "config.h" |
| #include <cstdio> |
| #include "Object.h" |
| #include "Dict.h" |
| #include "Annot.h" |
| #include "PDFDoc.h" |
| #include "JSInfo.h" |
| #include "Link.h" |
| #include "Form.h" |
| #include "UnicodeMap.h" |
| #include "UTF.h" |
| // #include "Win32Console.h" |
| |
| JSInfo::JSInfo(PDFDoc *docA, int firstPage) |
| { |
| doc = docA; |
| currentPage = firstPage + 1; |
| } |
| |
| JSInfo::~JSInfo() { } |
| |
| void JSInfo::printJS(const GooString *js) |
| { |
| char buf[8]; |
| |
| if (!js || !js->c_str()) { |
| return; |
| } |
| |
| std::vector<Unicode> u = TextStringToUCS4(js->toStr()); |
| for (auto &c : u) { |
| int n = uniMap->mapUnicode(c, buf, sizeof(buf)); |
| fwrite(buf, 1, n, file); |
| } |
| } |
| |
| void JSInfo::scanLinkAction(LinkAction *link, const char *action) |
| { |
| if (!link) { |
| return; |
| } |
| |
| if (link->getKind() == actionJavaScript) { |
| hasJS = true; |
| if (print) { |
| LinkJavaScript *linkjs = static_cast<LinkJavaScript *>(link); |
| if (linkjs->isOk()) { |
| const std::string &s = linkjs->getScript(); |
| fprintf(file, "%s:\n", action); |
| GooString gooS = GooString(s); |
| printJS(&gooS); |
| fputs("\n\n", file); |
| } |
| } |
| } |
| |
| if (link->getKind() == actionRendition) { |
| LinkRendition *linkr = static_cast<LinkRendition *>(link); |
| if (!linkr->getScript().empty()) { |
| hasJS = true; |
| if (print) { |
| fprintf(file, "%s (Rendition):\n", action); |
| const GooString s(linkr->getScript()); |
| printJS(&s); |
| fputs("\n\n", file); |
| } |
| } |
| } |
| } |
| |
| void JSInfo::scanJS(int nPages) |
| { |
| print = false; |
| file = nullptr; |
| onlyFirstJS = false; |
| scan(nPages); |
| } |
| |
| void JSInfo::scanJS(int nPages, FILE *fout, const UnicodeMap *uMap) |
| { |
| print = true; |
| file = fout; |
| uniMap = uMap; |
| onlyFirstJS = false; |
| scan(nPages); |
| } |
| |
| void JSInfo::scanJS(int nPages, bool stopOnFirstJS) |
| { |
| print = false; |
| file = nullptr; |
| onlyFirstJS = stopOnFirstJS; |
| scan(nPages); |
| } |
| |
| void JSInfo::scan(int nPages) |
| { |
| Page *page; |
| Annots *annots; |
| int lastPage; |
| |
| hasJS = false; |
| |
| // Names |
| int numNames = doc->getCatalog()->numJS(); |
| if (numNames > 0) { |
| hasJS = true; |
| if (onlyFirstJS) { |
| return; |
| } |
| if (print) { |
| for (int i = 0; i < numNames; i++) { |
| fprintf(file, "Name Dictionary \"%s\":\n", doc->getCatalog()->getJSName(i)->c_str()); |
| GooString *js = doc->getCatalog()->getJS(i); |
| printJS(js); |
| delete js; |
| fputs("\n\n", file); |
| } |
| } |
| } |
| |
| // document actions |
| scanLinkAction(doc->getCatalog()->getOpenAction().get(), "Open Document Action"); |
| scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionCloseDocument).get(), "Before Close Document"); |
| scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionSaveDocumentStart).get(), "Before Save Document"); |
| scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionSaveDocumentFinish).get(), "After Save Document"); |
| scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionPrintDocumentStart).get(), "Before Print Document"); |
| scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionPrintDocumentFinish).get(), "After Print Document"); |
| |
| if (onlyFirstJS && hasJS) { |
| return; |
| } |
| // form field actions |
| if (doc->getCatalog()->getFormType() == Catalog::AcroForm) { |
| Form *form = doc->getCatalog()->getForm(); |
| for (int i = 0; i < form->getNumFields(); i++) { |
| FormField *field = form->getRootField(i); |
| for (int j = 0; j < field->getNumWidgets(); j++) { |
| FormWidget *widget = field->getWidget(j); |
| scanLinkAction(widget->getActivationAction(), "Field Activated"); |
| scanLinkAction(widget->getAdditionalAction(Annot::actionFieldModified).get(), "Field Modified"); |
| scanLinkAction(widget->getAdditionalAction(Annot::actionFormatField).get(), "Format Field"); |
| scanLinkAction(widget->getAdditionalAction(Annot::actionValidateField).get(), "Validate Field"); |
| scanLinkAction(widget->getAdditionalAction(Annot::actionCalculateField).get(), "Calculate Field"); |
| if (onlyFirstJS && hasJS) { |
| return; |
| } |
| } |
| } |
| } |
| |
| // scan pages |
| |
| if (currentPage > doc->getNumPages()) { |
| return; |
| } |
| |
| lastPage = currentPage + nPages; |
| if (lastPage > doc->getNumPages() + 1) { |
| lastPage = doc->getNumPages() + 1; |
| } |
| |
| for (int pg = currentPage; pg < lastPage; ++pg) { |
| page = doc->getPage(pg); |
| if (!page) { |
| continue; |
| } |
| |
| // page actions (open, close) |
| scanLinkAction(page->getAdditionalAction(Page::actionOpenPage).get(), "Page Open"); |
| scanLinkAction(page->getAdditionalAction(Page::actionClosePage).get(), "Page Close"); |
| |
| if (onlyFirstJS && hasJS) { |
| return; |
| } |
| // annotation actions (links, screen, widget) |
| annots = page->getAnnots(); |
| for (Annot *a : annots->getAnnots()) { |
| if (a->getType() == Annot::typeLink) { |
| AnnotLink *annot = static_cast<AnnotLink *>(a); |
| scanLinkAction(annot->getAction(), "Link Annotation Activated"); |
| if (onlyFirstJS && hasJS) { |
| return; |
| } |
| } else if (a->getType() == Annot::typeScreen) { |
| AnnotScreen *annot = static_cast<AnnotScreen *>(a); |
| scanLinkAction(annot->getAction(), "Screen Annotation Activated"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionCursorEntering).get(), "Screen Annotation Cursor Enter"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionCursorLeaving).get(), "Screen Annotation Cursor Leave"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionMousePressed).get(), "Screen Annotation Mouse Pressed"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionMouseReleased).get(), "Screen Annotation Mouse Released"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionFocusIn).get(), "Screen Annotation Focus In"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionFocusOut).get(), "Screen Annotation Focus Out"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionPageOpening).get(), "Screen Annotation Page Open"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionPageClosing).get(), "Screen Annotation Page Close"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionPageVisible).get(), "Screen Annotation Page Visible"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionPageInvisible).get(), "Screen Annotation Page Invisible"); |
| |
| if (onlyFirstJS && hasJS) { |
| return; |
| } |
| } else if (a->getType() == Annot::typeWidget) { |
| AnnotWidget *annot = static_cast<AnnotWidget *>(a); |
| scanLinkAction(annot->getAction(), "Widget Annotation Activated"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionCursorEntering).get(), "Widget Annotation Cursor Enter"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionCursorLeaving).get(), "Widget Annotation Cursor Leave"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionMousePressed).get(), "Widget Annotation Mouse Pressed"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionMouseReleased).get(), "Widget Annotation Mouse Released"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionFocusIn).get(), "Widget Annotation Focus In"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionFocusOut).get(), "Widget Annotation Focus Out"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionPageOpening).get(), "Widget Annotation Page Open"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionPageClosing).get(), "Widget Annotation Page Close"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionPageVisible).get(), "Widget Annotation Page Visible"); |
| scanLinkAction(annot->getAdditionalAction(Annot::actionPageInvisible).get(), "Widget Annotation Page Invisible"); |
| if (onlyFirstJS && hasJS) { |
| return; |
| } |
| } |
| } |
| } |
| |
| currentPage = lastPage; |
| } |
| |
| bool JSInfo::containsJS() |
| { |
| return hasJS; |
| } |
