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# $Header: /var/local/cvsroot/4Suite/Ft/Server/Client/__init__.py,v 1.9 2005/03/22 09:58:58 mbrown Exp $
"""
Repository client (4ss, 4ss_manager) base module
Copyright 2005 Fourthought, Inc. (USA).
Detailed license and copyright information: http://4suite.org/COPYRIGHT
Project home, documentation, distributions: http://4suite.org/
"""
import os
from Ft.Server import FtServerBaseException
from Ft.Server.Common import ClAuthenticate
from Ft.Server.Client import Core
import MessageSource
Error = MessageSource.Error
class FtServerClientException(FtServerBaseException):
"""
Exception class for errors incurred while using the
repository clients (4ss, 4ss_manager).
"""
MessageSource = MessageSource
def GetAuthentication(options=None):
"""
Returns authentication arguments for connecting to a repository.
Get Authentication information for a Client connection to the repository
1: look in the options dictionary for "anonymous"
2: look in the options dictionary for "username"
3: look in the options dictionary for "port"
4: look in the options dictionary for "host"
5: If there is no username, then look for the FTSS_AGENT env var to get information
6: If there still is no username, then look for FTSS_USERNAME env var
7: If there still is no user name then prompt for it.
8: look in the options dictionary for "password"
9: look in the options dictionary for "passwdhash"
10: If there is no password, then ask the password manager (from 4ss login)
11: If there still is no password then prompt for it.
12: If there is no host, then prompt for it
13: If there is no port then prompt for it
"""
options = options or {}
hasUserName = hasPasswd = False
userName = None
passwdHash = None
# Is this an anonymous login? (ignores other username choices)
if options.has_key('anonymous'):
hasUserName = True
hasPasswd = True
else:
if options.has_key('username'):
hasUserName = True
userName = options['username']
if options.has_key('password'):
hasPasswd = True
passwdHash = ClAuthenticate.HashPasswd(options['password'])
if options.has_key('passwdhash'):
hasPasswd = True
passwdHash = options['passwdhash']
host = options.get('host')
port = int(options.get('port', 0))
# See if there is an agent (set and non-empty)
if not hasUserName and os.environ.get('FTSS_AGENT'):
userName, passwdHash, h, po = eval(os.environ['FTSS_AGENT'])
hasUserName = hasPasswd = True
if not host:
host = h
if not port:
port = int(po)
# See if 'logged in' (set and non-empty)
if not hasUserName and os.environ.get('FTSS_USERNAME'):
userName = os.environ['FTSS_USERNAME']
hasUserName = True
#All else failed: prompt user
if not hasUserName:
userName = ClAuthenticate.GetUserName('4SS user name: ', emptyOK=False)
if not hasPasswd:
pm = ClAuthenticate.PasswordFileManager()
pa, h, p = pm.getUserEntry(userName)
if pa:
passwdHash = pa
hasPasswd = True
if not host and h:
host = h
if not port and p:
port = int(p)
if not hasPasswd:
passwd = ClAuthenticate.GetPass("Password for %s: " % userName)
passwdHash = ClAuthenticate.HashPasswd(passwd)
if not host:
host = ClAuthenticate.GetHostName('Host <%s>: ' % Core.FTRPC_HOST)
host = host or Core.FTRPC_HOST
if not port:
port = ClAuthenticate.GetPort('Port <%i>: ' % Core.FTRPC_PORT)
try:
port = int(port or Core.FTRPC_PORT)
except ValueError:
raise ValueError('Invalid port %r' % port)
return (userName, passwdHash, host, port)
def SmartLogin(options=None):
"""
Returns a new repository connection.
"""
userName, passwdHash, host, port = GetAuthentication(options)
return Core.GetRepository(userName, passwdHash, host, port)
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