Opened 5 years ago

Closed 5 years ago

#21033 closed Bug (fixed)

Uploaded file's name truncates to 255 not in all cases

Reported by: homm Owned by: nobody
Component: File uploads/storage Version: master
Severity: Normal Keywords:
Cc: bmispelon@… Triage Stage: Accepted
Has patch: yes Needs documentation: no
Needs tests: no Patch needs improvement: yes
Easy pickings: no UI/UX: no


If uploaded file name has very-ver long extension, it not truncates to 255 chars.

Change History (8)

comment:2 Changed 5 years ago by Tim Graham

Changing the file extension seems like it may not be a good idea. Did you run into a problem with this?

comment:3 Changed 5 years ago by homm

What do you mean by "extension"? This patch truncate sequence of chars after last dot longer then 255 chars. Is such sequence can be called "extension"? I do not think so.

I see problem there: malefactor can send file with name longer then 255 chars. I don't know, is it problem does matter at all. If it does matter let's do strict check. If it is doesn't matter, let's remove this check at all.

Last edited 5 years ago by homm (previous) (diff)

comment:4 Changed 5 years ago by sduveen

Triage Stage: UnreviewedAccepted

I don't think 'file extension' can reasonably describe anything that is over 255 chars after a dot. Patch and test look good. (refering to

comment:5 Changed 5 years ago by sduveen

Triage Stage: AcceptedReady for checkin

comment:6 Changed 5 years ago by Baptiste Mispelon

Cc: bmispelon@… added
Patch needs improvement: set
Triage Stage: Ready for checkinAccepted

I think the tests should be moved to file_uploads/, next to the one that tests the truncating functionality [1].

I would also rewrite them to immitate the test_filename_overflow test, which I think tests the issue more accurately: we want to make sure that an uploaded file doesn't have a name longer than 255 characters.



comment:7 Changed 5 years ago by homm

I update patch and move tests in file_uploads.

comment:8 Changed 5 years ago by Baptiste Mispelon <bmispelon@…>

Resolution: fixed
Status: newclosed

In 7008ed61c519f93a9b6c5c547ad718ad2deb959b:

Fixed #21033 -- Fixed uploaded filenames not always being truncated to 255 characters

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