Merge pull request #18166 from Snuffleupagus/bug-1898802

Prevent XRef errors from breaking font loading (bug 1898802)
mozilla · May 24, 2024 · b78480a · b78480a
2 parents 18a7bd6 + cfcb700
commit b78480a
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Showing 3 changed files with 15 additions and 1 deletion.
diff --git a/src/core/evaluator.js b/src/core/evaluator.js
@@ -1261,7 +1261,11 @@ class PartialEvaluator {
         return this.fontCache.get(fontRef);
       }
 
-      font = this.xref.fetchIfRef(fontRef);
+      try {
+        font = this.xref.fetchIfRef(fontRef);
+      } catch (ex) {
+        warn(`loadFont - lookup failed: "${ex}".`);
+      }
     }
 
     if (!(font instanceof Dict)) {

diff --git a/test/pdfs/bug1898802.pdf.link b/test/pdfs/bug1898802.pdf.link
@@ -0,0 +1 @@
+https://bugzilla.mozilla.org/attachment.cgi?id=9403877
diff --git a/test/test_manifest.json b/test/test_manifest.json
@@ -5447,6 +5447,15 @@
     "lastPage": 1,
     "type": "eq"
   },
+  {
+    "id": "bug1898802",
+    "file": "pdfs/bug1898802.pdf",
+    "md5": "65c3af306253faa8967982812aff523e",
+    "rounds": 1,
+    "link": true,
+    "lastPage": 1,
+    "type": "eq"
+  },
   {
     "id": "issue4890",
     "file": "pdfs/issue4890.pdf",