def authenticate(self, username=None, password=None):
try:
user = User.objects.get(username=username.lower())
# If user is found, check the password using the django
# methods alone.
if user.check_password(password):
return user
# User found but password wrong --> tell django it is wrong
return None
except User.DoesNotExist:
# User does not exist. See if it exists in the old system,
# and if it does, migrate it to the new one.
curs = connection.cursor()
curs.execute('SELECT * FROM community_login_old(%s,%s)', (username.lower(), password))
rows = curs.fetchall()
if len(rows) != 1:
# No rows returned, something clearly went wrong
return None
if rows[0][1] == 1:
# Value 1 in field 1 means the login succeeded. In this case,
# create a user in the django system, and migrate all settings
# we can think of.
namepieces = rows[0][2].split(None, 2)
if len(namepieces) == 0: namepieces = ['', '']
if len(namepieces) == 1: namepieces.append('')
user = User(username=username.lower(), email=rows[0][3], first_name=namepieces[0], last_name=namepieces[1])
user.set_password(password)
user.save()
# Create a userprofile if we have to
if rows[0][8]:
profile = UserProfile(user=user)
profile.sshkey = rows[0][8]
profile.save()
# Now delete the user in the old system so nobody can use it
curs.execute('SELECT * FROM community_login_old_delete(%s)', (username.lower(), ))
return user
# Any other value in field 1 means login failed, so tell django we did
return None
return None # Should never get here, but just in case...
