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Use the isDict helper in the Catalog.prototype.metadata getter

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This commit is contained in:
Jonas Jenwald 2026-06-21 12:26:21 +02:00
parent 124228e318
commit a46ee2b647
1 changed files with 12 additions and 13 deletions
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25
src/core/catalog.js
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@ -279,19 +279,18 @@ class Catalog {
/* suppressEncryption = */ !this.xref.encrypt?.encryptMetadata
);
if (stream instanceof BaseStream && stream.dict instanceof Dict) {
const type = stream.dict.get("Type");
const subtype = stream.dict.get("Subtype");
if (isName(type, "Metadata") && isName(subtype, "XML")) {
// XXX: This should examine the charset the XML document defines,
// however since there are currently no real means to decode arbitrary
// charsets, let's just hope that the author of the PDF was reasonable
// enough to stick with the XML default charset, which is UTF-8.
const data = stringToUTF8String(stream.getString());
if (data) {
metadata = new MetadataParser(data).serializable;
}
if (
stream instanceof BaseStream &&
isDict(stream.dict, "Metadata") &&
isName(stream.dict.get("Subtype"), "XML")
) {
// XXX: This should examine the charset the XML document defines,
// however since there are currently no real means to decode arbitrary
// charsets, let's just hope that the author of the PDF was reasonable
// enough to stick with the XML default charset, which is UTF-8.
const data = stringToUTF8String(stream.getString());
if (data) {
metadata = new MetadataParser(data).serializable;
}
}
} catch (ex) {