Attachment 84164 Details for Bug 67693 – print out javascript

[patch] print out javascript

0002-Add-pdfinfo-option-to-print-out-javascript.patch (text/plain), 13.36 KB, created by Adrian Johnson on 2013-08-17 08:54:04 UTC

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Creator: Adrian Johnson

Created: 2013-08-17 08:54:04 UTC

Size: 13.36 KB

patch

obsolete

>From 4cc80d0326216e6407d1025ddbc0e13462951af1 Mon Sep 17 00:00:00 2001
>From: Adrian Johnson <ajohnson@redneon.com>
>Date: Sat, 3 Aug 2013 10:28:20 +0930
>Subject: [PATCH 2/2] Add pdfinfo option to print out javascript
>
>---
> poppler/Catalog.h |   1 +
> utils/JSInfo.cc   | 164 +++++++++++++++++++++++++++++++++++++++++-------------
> utils/JSInfo.h    |  12 +++-
> utils/pdfinfo.1   |   3 +
> utils/pdfinfo.cc  |  10 ++++
> 5 files changed, 151 insertions(+), 39 deletions(-)
>
>diff --git a/poppler/Catalog.h b/poppler/Catalog.h
>index 0486bf0..eb1dd29 100644
>--- a/poppler/Catalog.h
>+++ b/poppler/Catalog.h
>@@ -153,6 +153,7 @@ public:
> 
>   // Get the number of javascript scripts
>   int numJS() { return getJSNameTree()->numEntries(); }
>+  GooString *getJSName(int i) { return getJSNameTree()->getName(i); }
> 
>   // Get the i'th JavaScript script (at the Document level) in the document
>   GooString *getJS(int i);
>diff --git a/utils/JSInfo.cc b/utils/JSInfo.cc
>index 85fef90..c42512d 100644
>--- a/utils/JSInfo.cc
>+++ b/utils/JSInfo.cc
>@@ -11,6 +11,7 @@
> 
> 
> #include "config.h"
>+#include <stdio.h>
> #include "Object.h"
> #include "Dict.h"
> #include "Annot.h"
>@@ -18,6 +19,8 @@
> #include "JSInfo.h"
> #include "Link.h"
> #include "Form.h"
>+#include "UnicodeMap.h"
>+#include "UTF.h"
> 
> JSInfo::JSInfo(PDFDoc *docA, int firstPage) {
>   doc = docA;
>@@ -27,23 +30,68 @@ JSInfo::JSInfo(PDFDoc *docA, int firstPage) {
> JSInfo::~JSInfo() {
> }
> 
>+void JSInfo::printJS(GooString *js) {
>+  Unicode *u;
>+  char buf[8];
>+  int i, n, len;
> 
>-void JSInfo::scanLinkAction(LinkAction *link) {
>+  if (!js || !js->getCString())
>+    return;
>+
>+  len = TextStringToUCS4(js, &u);
>+  for (i = 0; i < len; i++) {
>+    n = uniMap->mapUnicode(u[i], buf, sizeof(buf));
>+    fwrite(buf, 1, n, file);
>+  }
>+}
>+
>+void JSInfo::scanLinkAction(LinkAction *link, const char *action) {
>   if (!link)
>     return;
> 
>   if (link->getKind() == actionJavaScript) {
>     hasJS = gTrue;
>+    if (print) {
>+      LinkJavaScript *linkjs = static_cast<LinkJavaScript *>(link);
>+      GooString *s = linkjs->getScript();
>+      if (s && s->getCString()) {
>+	fprintf(file, "%s:\n", action);
>+	printJS(s);
>+	fputs("\n\n", file);
>+      }
>+    }
>   }
> 
>   if (link->getKind() == actionRendition) {
>     LinkRendition *linkr = static_cast<LinkRendition *>(link);
>-    if (linkr->getScript())
>+    if (linkr->getScript()) {
>       hasJS = gTrue;
>+      if (print) {
>+        GooString *s = linkr->getScript();
>+        if (s && s->getCString()) {
>+          fprintf(file, "%s (Rendition):\n", action);
>+          printJS(s);
>+          fputs("\n\n", file);
>+        }
>+      }
>+    }
>   }
> }
> 
> void JSInfo::scanJS(int nPages) {
>+  print = gFalse;
>+  file = NULL;
>+  scan(nPages);
>+}
>+
>+void JSInfo::scanJS(int nPages, FILE *fout, UnicodeMap *uMap) {
>+  print = gTrue;
>+  file = fout;
>+  uniMap = uMap;
>+  scan(nPages);
>+}
>+
>+void JSInfo::scan(int nPages) {
>   Page *page;
>   Annots *annots;
>   Object obj1, obj2;
>@@ -52,16 +100,29 @@ void JSInfo::scanJS(int nPages) {
>   hasJS = gFalse;
> 
>   // Names
>-  if (doc->getCatalog()->numJS() > 0) {
>+  int numNames = doc->getCatalog()->numJS();
>+  if (numNames > 0) {
>     hasJS = gTrue;
>+    if (print) {
>+      for (int i = 0; i < numNames; i++) {
>+	fprintf(file, "Name Dictionary \"%s\":\n", doc->getCatalog()->getJSName(i)->getCString());
>+	printJS(doc->getCatalog()->getJS(i));
>+	fputs("\n\n", file);
>+      }
>+    }
>   }
> 
>   // document actions
>-  scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionCloseDocument));
>-  scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionSaveDocumentStart));
>-  scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionSaveDocumentFinish));
>-  scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionPrintDocumentStart));
>-  scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionPrintDocumentFinish));
>+  scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionCloseDocument),
>+                 "Before Close Document");
>+  scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionSaveDocumentStart),
>+                 "Before Save Document");
>+  scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionSaveDocumentFinish),
>+                 "After Save Document");
>+  scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionPrintDocumentStart),
>+                 "Before Print Document");
>+  scanLinkAction(doc->getCatalog()->getAdditionalAction(Catalog::actionPrintDocumentFinish),
>+                 "After Print Document");
> 
>   // form field actions
>   if (doc->getCatalog()->getFormType() == Catalog::AcroForm) {
>@@ -70,11 +131,16 @@ void JSInfo::scanJS(int nPages) {
>       FormField *field = form->getRootField(i);
>       for (int j = 0; j < field->getNumWidgets(); j++) {
> 	FormWidget *widget = field->getWidget(j);
>-	scanLinkAction(widget->getActivationAction());
>-	scanLinkAction(widget->getAdditionalAction(Annot::actionFieldModified));
>-	scanLinkAction(widget->getAdditionalAction(Annot::actionFormatField));
>-	scanLinkAction(widget->getAdditionalAction(Annot::actionValidateField));
>-	scanLinkAction(widget->getAdditionalAction(Annot::actionCalculateField));
>+	scanLinkAction(widget->getActivationAction(),
>+                       "Field Activated");
>+	scanLinkAction(widget->getAdditionalAction(Annot::actionFieldModified),
>+                       "Field Modified");
>+	scanLinkAction(widget->getAdditionalAction(Annot::actionFormatField),
>+                       "Format Field");
>+	scanLinkAction(widget->getAdditionalAction(Annot::actionValidateField),
>+                       "Validate Field");
>+	scanLinkAction(widget->getAdditionalAction(Annot::actionCalculateField),
>+                       "Calculate Field");
>       }
>     }
>   }
>@@ -95,42 +161,64 @@ void JSInfo::scanJS(int nPages) {
>     if (!page) continue;
> 
>     // page actions (open, close)
>-    scanLinkAction(page->getAdditionalAction(Page::actionOpenPage));
>-    scanLinkAction(page->getAdditionalAction(Page::actionClosePage));
>+    scanLinkAction(page->getAdditionalAction(Page::actionOpenPage), "Page Open");
>+    scanLinkAction(page->getAdditionalAction(Page::actionClosePage), "Page Close");
> 
>     // annotation actions (links, screen, widget)
>     annots = page->getAnnots();
>     for (int i = 0; i < annots->getNumAnnots(); ++i) {
>       if (annots->getAnnot(i)->getType() == Annot::typeLink) {
> 	AnnotLink *annot = static_cast<AnnotLink *>(annots->getAnnot(i));
>-	scanLinkAction(annot->getAction());
>+	scanLinkAction(annot->getAction(), "Link Annotation Activated");
>       } else if (annots->getAnnot(i)->getType() == Annot::typeScreen) {
> 	AnnotScreen *annot = static_cast<AnnotScreen *>(annots->getAnnot(i));
>-	scanLinkAction(annot->getAction());
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionCursorEntering));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionCursorLeaving));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionMousePressed));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionMouseReleased));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionFocusIn));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionFocusOut));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionPageOpening));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionPageClosing));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionPageVisible));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionPageVisible));
>+	scanLinkAction(annot->getAction(),
>+                       "Screen Annotation Activated");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionCursorEntering),
>+                       "Screen Annotation Cursor Enter");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionCursorLeaving),
>+                       "Screen Annotation Cursor Leave");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionMousePressed),
>+                       "Screen Annotation Mouse Pressed");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionMouseReleased),
>+                       "Screen Annotation Mouse Released");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionFocusIn),
>+                       "Screen Annotation Focus In");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionFocusOut),
>+                       "Screen Annotation Focus Out");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionPageOpening),
>+                       "Screen Annotation Page Open");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionPageClosing),
>+                       "Screen Annotation Page Close");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionPageVisible),
>+                       "Screen Annotation Page Visible");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionPageInvisible),
>+                       "Screen Annotation Page Invisible");
> 
>       } else if (annots->getAnnot(i)->getType() == Annot::typeWidget) {
> 	AnnotWidget *annot = static_cast<AnnotWidget *>(annots->getAnnot(i));
>-	scanLinkAction(annot->getAction());
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionCursorEntering));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionCursorLeaving));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionMousePressed));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionMouseReleased));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionFocusIn));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionFocusOut));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionPageOpening));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionPageClosing));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionPageVisible));
>-	scanLinkAction(annot->getAdditionalAction(Annot::actionPageVisible));
>+	scanLinkAction(annot->getAction(),
>+                       "Widget Annotation Activated");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionCursorEntering),
>+                       "Widget Annotation Cursor Enter");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionCursorLeaving),
>+                       "Widget Annotation Cursor Leave");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionMousePressed),
>+                       "Widget Annotation Mouse Pressed");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionMouseReleased),
>+                       "Widget Annotation Mouse Released");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionFocusIn),
>+                       "Widget Annotation Focus In");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionFocusOut),
>+                       "Widget Annotation Focus Out");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionPageOpening),
>+                       "Widget Annotation Page Open");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionPageClosing),
>+                       "Widget Annotation Page Close");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionPageVisible),
>+                       "Widget Annotation Page Visible");
>+	scanLinkAction(annot->getAdditionalAction(Annot::actionPageInvisible),
>+                       "Widget Annotation Page Invisible");
>       }
>     }
>   }
>diff --git a/utils/JSInfo.h b/utils/JSInfo.h
>index b888e77..2721627 100644
>--- a/utils/JSInfo.h
>+++ b/utils/JSInfo.h
>@@ -12,11 +12,13 @@
> #ifndef JS_INFO_H
> #define JS_INFO_H
> 
>+#include <stdio.h>
> #include "Object.h"
> #include "PDFDoc.h"
> #include "goo/gtypes.h"
> 
> #include "Link.h"
>+#include "UnicodeMap.h"
> 
> class PDFDoc;
> 
>@@ -32,6 +34,9 @@ public:
>   // scan for JS in the PDF
>   void scanJS(int nPages);
> 
>+  // scan and print JS in the PDF
>+  void scanJS(int nPages, FILE *fout, UnicodeMap *uMap);
>+
>   // return true if PDF contains JavaScript
>   GBool containsJS();
> 
>@@ -40,8 +45,13 @@ private:
>   PDFDoc *doc;
>   int currentPage;
>   GBool hasJS;
>+  GBool print;
>+  FILE *file;
>+  UnicodeMap *uniMap;
> 
>-  void scanLinkAction(LinkAction *link);
>+  void scan(int nPages);
>+  void scanLinkAction(LinkAction *link, const char *action);
>+  void printJS(GooString *js);
> 
> };
> 
>diff --git a/utils/pdfinfo.1 b/utils/pdfinfo.1
>index 134bd3f..1dd7466 100644
>--- a/utils/pdfinfo.1
>+++ b/utils/pdfinfo.1
>@@ -93,6 +93,9 @@ TrimBox, and ArtBox.
> Prints document-level metadata.  (This is the "Metadata" stream from
> the PDF file's Catalog object.)
> .TP
>++.B \-js
>++Prints all JavaScript in the PDF.
>++.TP
> .B \-rawdates
> Prints the raw (undecoded) date strings, directly from the PDF file.
> .TP
>diff --git a/utils/pdfinfo.cc b/utils/pdfinfo.cc
>index 902200f..0927855 100644
>--- a/utils/pdfinfo.cc
>+++ b/utils/pdfinfo.cc
>@@ -64,6 +64,7 @@ static int firstPage = 1;
> static int lastPage = 0;
> static GBool printBoxes = gFalse;
> static GBool printMetadata = gFalse;
>+static GBool printJS = gFalse;
> static GBool rawDates = gFalse;
> static char textEncName[128] = "";
> static char ownerPassword[33] = "\001";
>@@ -81,6 +82,8 @@ static const ArgDesc argDesc[] = {
>    "print the page bounding boxes"},
>   {"-meta",   argFlag,     &printMetadata,    0,
>    "print the document metadata (XML)"},
>+  {"-js",     argFlag,     &printJS,          0,
>+   "print all JavaScript in the PDF"},
>   {"-rawdates", argFlag,   &rawDates,         0,
>    "print the undecoded date strings directly from the PDF file"},
>   {"-enc",    argString,   textEncName,    sizeof(textEncName),
>@@ -383,6 +386,13 @@ int main(int argc, char *argv[]) {
>     delete metadata;
>   }
> 
>+  // print javascript
>+  if (printJS) {
>+    JSInfo jsInfo(doc, firstPage - 1);
>+    fputs("\n", stdout);
>+    jsInfo.scanJS(lastPage - firstPage + 1, stdout, uMap);
>+  }
>+
>   exitCode = 0;
> 
>   // clean up
>-- 
>1.8.1.2
>

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Attachments on bug 67693: 83560 | 83561 | 83562 | 83563 | 83662 | 83663 | 84163 | 84164

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