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avoid lrf metadata read failure on malformed meta blocks

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Kovid Goyal 2021-10-12 15:53:22 +05:30
parent d8c118cbb4
commit 8bc11e1d91
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1 changed files with 2 additions and 1 deletions
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src/calibre/ebooks/lrf/meta.py
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@ -20,6 +20,7 @@ import xml.dom.minidom as dom
from functools import wraps from functools import wraps
from calibre.ebooks.chardet import xml_to_unicode from calibre.ebooks.chardet import xml_to_unicode
from calibre.utils.cleantext import clean_xml_chars
from calibre.ebooks.metadata import MetaInformation, string_to_authors from calibre.ebooks.metadata import MetaInformation, string_to_authors
from polyglot.builtins import unicode_type, string_or_bytes from polyglot.builtins import unicode_type, string_or_bytes
@ -400,7 +401,7 @@ class LRFMetaFile:
yielded unexpected results") yielded unexpected results")
src = xml_to_unicode(src, strip_encoding_pats=True, resolve_entities=True, assume_utf8=True)[0] src = xml_to_unicode(src, strip_encoding_pats=True, resolve_entities=True, assume_utf8=True)[0]
return dom.parseString(src) return dom.parseString(clean_xml_chars(src))
except zlib.error: except zlib.error:
raise LRFException("Unable to decompress document meta information") raise LRFException("Unable to decompress document meta information")