Wrong file name parsing due to missing extension

[txau]

We are creating entries of this form:

"_id" : ObjectId("668c6173afac83a434cd9beb"),
    "entity" : "rnu3ljgi0df",
    "type" : "document",
    "filename" : "1720476018696wx3osn5bm4.com discussing the case",
    "originalname" : "News article from LiveLaw.com discussing the case",
    "mimetype" : "application/pdf",

Where the "filename" field is wrongly inferred due to 1) a missing extension in the filename? and 2) a period in the middle of the filename, wrongly using the string after the period as the file extension.

This is creating file not found errors.

Fixes?

1. Ensure this kind of entry is not created anymore
2. Check out why this is giving file not found exceptions and either fix the data or adapt the retrieve approach.