[Bug 23113] New: Connection.ConnectionError: Better error reporting for registration

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=23113

           Summary: Connection.ConnectionError: Better error reporting for
                    registration
           Product: Telepathy
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: telepathy-spec
        AssignedTo: telepathy-bugs at lists.freedesktop.org
        ReportedBy: simon.mcvittie at collabora.co.uk


When using XMPP in-band registration, there are all sorts of things that can go
wrong and end up signalled as InvalidArgument; for instance, "password too
short", "requested username may not contain a space", ...; if we can find out
from the server what was wrong (or tell from our knowledge of our XMPP that it
won't work without even asking the server), then we should pass it on to the
user.

We should use ConnectionError's Details dict to signal these in more detail.

For instance, if I try to register as "smcv <who doesn't understand XMPP
syntax>@jabber.org" we could do:

ConnectionError(InvalidArgument, {"invalid-char-in-param": {"username": "
'<>"}}


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