From d90ad429f6eb345b173ec042dcfe2d6c150701ff Mon Sep 17 00:00:00 2001
From: Jonas <Snuffleupagus@server.fake>
Date: Thu, 8 Aug 2013 19:02:11 +0200
Subject: [PATCH] Enable loading of PDFs with invalid document information
 dictionaries

---
 src/core.js                  | 12 ++++++++----
 test/pdfs/issue2853.pdf.link |  1 +
 test/test_manifest.json      |  9 +++++++++
 3 files changed, 18 insertions(+), 4 deletions(-)
 create mode 100644 test/pdfs/issue2853.pdf.link

diff --git a/src/core.js b/src/core.js
index 3e1ea9339..b0d9fda81 100644
--- a/src/core.js
+++ b/src/core.js
@@ -457,9 +457,13 @@ var PDFDocument = (function PDFDocumentClosure() {
         PDFFormatVersion: this.pdfFormatVersion,
         IsAcroFormPresent: !!this.acroForm
       };
-      if (this.xref.trailer.has('Info')) {
-        var infoDict = this.xref.trailer.get('Info');
-
+      var infoDict;
+      try {
+        infoDict = this.xref.trailer.get('Info');
+      } catch (err) {
+        info('The document information dictionary is invalid.');
+      }
+      if (infoDict) {
         var validEntries = DocumentInfoValidators.entries;
         // Only fill the document info with valid entries from the spec.
         for (var key in validEntries) {
@@ -468,7 +472,7 @@ var PDFDocument = (function PDFDocumentClosure() {
             // Make sure the value conforms to the spec.
             if (validEntries[key](value)) {
               docInfo[key] = typeof value !== 'string' ? value :
-                             stringToPDFString(value);
+                stringToPDFString(value);
             } else {
               info('Bad value in document info for "' + key + '"');
             }
diff --git a/test/pdfs/issue2853.pdf.link b/test/pdfs/issue2853.pdf.link
new file mode 100644
index 000000000..36db6694d
--- /dev/null
+++ b/test/pdfs/issue2853.pdf.link
@@ -0,0 +1 @@
+http://www.celgene.de/Patienten/Newsletter-Epigenetik-201301.pdf
diff --git a/test/test_manifest.json b/test/test_manifest.json
index 510cb35f4..52d432a34 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -1310,5 +1310,14 @@
        "firstPage": 1,
        "lastPage": 1,
        "type": "eq"
+    },
+    {  "id": "issue2853",
+       "file": "pdfs/issue2853.pdf",
+       "md5": "9f0ad95ef0b243ee8813c4eca0f7a042",
+       "rounds": 1,
+       "link": true,
+       "firstPage": 1,
+       "lastPage": 1,
+       "type": "load"
     }
 ]