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Merge pull request #15152 from Snuffleupagus/validate-Resources

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Ensure that the /Resources-entry is actually a dictionary (issue 15150)
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Jonas Jenwald 2022-07-08 13:24:47 +02:00 • committed by GitHub
commit 4b493c2c33
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4 changed files with 60 additions and 1 deletions
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src/core/document.js
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@ -132,10 +132,12 @@ class Page {
// For robustness: The spec states that a \Resources entry has to be
// present, but can be empty. Some documents still omit it; in this case
// we return an empty dictionary.
const resources = this._getInheritableProperty("Resources");
return shadow(
this,
"resources",
this._getInheritableProperty("Resources") || Dict.empty
resources instanceof Dict ? resources : Dict.empty
);
}