[Zope3-dev] FTP Authentication

[Jim Fulton]

Michael Kerrin wrote:
> Hi,
> 
>   I have being playing with Twisted / Zope3 / FTP and I can not understand the 
> ICredentialsPlugin plugins from zope.app.authentication and how it is 
> configured.
> 
>   The major problem I see with them is that currently they are all HTTP based. 
> So when I try and upload a file via FTP (with a username / password stored 
> inside a PrincipalFolder)  my user never gets authenticated and I can't 
> upload the file. Worse yet the get the following errors.
> 
>   I get a "Could not adapt", zope.publisher.ftp.FTPRequest to 
> zope.publisher.interfaces.http.IHTTPApplicationRequest when using the Session 
> Credentials plugin.
> 
>   An AttributeError: 'tuple' object has no attribute lower when using the Zope 
> Realm Basic-Auth plugin.
> 
>   And nothing seems to happen with No Challenge If Authenticated plugin. My 
> ftp client just says Could not open file for writing: Can't write file.
> 
>   Note there is no problem authenticating users defined in the 
> principals.zcml file.

This is simply a result of the fact that no one has written a credentials-
extraction plugin for FTP yet.

Jim

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