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PDF: Ignore invalid objid in non-strict mode, fixes #233

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NoDRM 2022-12-29 19:52:08 +01:00
parent a30405bebf
commit a711954323
1 changed files with 13 additions and 1 deletions
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14
DeDRM_plugin/ineptpdf.py
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@ -1831,7 +1831,19 @@ class PDFDocument(object):
try: try:
obj = objs[i] obj = objs[i]
except IndexError: except IndexError:
raise PDFSyntaxError('Invalid object number: objid=%r' % (objid)) # This IndexError used to just raise an exception.
# Unfortunately that seems to break some PDFs, see this issue:
# https://github.com/noDRM/DeDRM_tools/issues/233
# I'm not sure why this is the case, but lets try only raising that exception
# when in STRICT mode, and make it a warning otherwise.
if STRICT:
raise PDFSyntaxError('Invalid object number: objid=%r' % (objid))
print('Invalid object number: objid=%r' % (objid))
print("Continuing anyways?")
print("If the resulting PDF is corrupted, please open a bug report.")
return None
if isinstance(obj, PDFStream): if isinstance(obj, PDFStream):
obj.set_objid(objid, 0) obj.set_objid(objid, 0)
else: else: