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Posted to issues@commons.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/12/10 08:02:00 UTC
[jira] [Work logged] (FILEUPLOAD-274) File Upload fails to
recognize RFC 5987-compliant filename
[ https://issues.apache.org/jira/browse/FILEUPLOAD-274?focusedWorklogId=356871&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-356871 ]
ASF GitHub Bot logged work on FILEUPLOAD-274:
---------------------------------------------
Author: ASF GitHub Bot
Created on: 10/Dec/19 08:01
Start Date: 10/Dec/19 08:01
Worklog Time Spent: 10m
Work Description: anselm94 commented on pull request #24: FILEUPLOAD-274: RFC-5987 compliance
URL: https://github.com/apache/commons-fileupload/pull/24
`RFC 5987` adds support for encoding mechanism for use in MIME headers in HTTP headers. It recommends following formats
- ASCII charset: `<paramname>: <paramvalue>`
- Non ASCII Charset: `<paramname>*: <charset>'<lang>'<percent-encoded>`
The specification has following things to say
- **[`RFC 2231`](https://tools.ietf.org/html/rfc2231)** - MIME Type extension for Email and other protocols to support multiple charsets and languages. (Having Asterisks (`*`) at the end of parameter name for extensions)
- **[`RFC 5987`](https://tools.ietf.org/html/rfc5987)** - Extends on `RFC 2231` for extended charsets and languages, but [restricts charsets](https://tools.ietf.org/html/rfc5987#section-3.2) to `UTF-8` and `ISO-8859-1` and [no continuations](https://tools.ietf.org/html/rfc5987#section-4) (multiple extensions for same param name) as HTTP headers has no limitations in header size
- **[`RFC 7578`](https://tools.ietf.org/html/rfc7578)** - Extends on `RFC 5987` specifically for `multipart/form-data`, but [rejects usage](https://tools.ietf.org/html/rfc7578#section-4.2) of Asterisks (`*`)
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Issue Time Tracking
-------------------
Worklog Id: (was: 356871)
Remaining Estimate: 0h
Time Spent: 10m
> File Upload fails to recognize RFC 5987-compliant filename
> ----------------------------------------------------------
>
> Key: FILEUPLOAD-274
> URL: https://issues.apache.org/jira/browse/FILEUPLOAD-274
> Project: Commons FileUpload
> Issue Type: Bug
> Affects Versions: 1.3.2
> Reporter: Vsevolod Poletaev
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> I think there is incorrect behaviour in getFileName() method of FileUploadBase class, as it ignores RFC-5987-compliant filename* parameter, and then findNextItem() method incorrectly treats this part of request as form filed.
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