Synnefo

from django.contrib.auth.backends import ModelBackend

from django.core.validators import email_re

from astakos.im.models import AstakosUser

class TokenBackend(ModelBackend):

    """

    AuthenticationBackend used to authenticate using token instead

    """

    def authenticate(self, email=None, auth_token=None):

        try:

            user = AstakosUser.objects.get(email=email)

            if user.auth_token == auth_token:

                return user

        except AstakosUser.DoesNotExist:

            return None

    def get_user(self, user_id):

        try:

            return AstakosUser.objects.get(pk=user_id)

        except AstakosUser.DoesNotExist:

            return None

class EmailBackend(ModelBackend):

    """

    If the ``username`` parameter is actually an email uses email to authenticate

    the user else tries the username.

    Used from ``astakos.im.forms.LoginForm`` to authenticate.

    """

    def authenticate(self, username=None, password=None):

        #If username is an email address, then try to pull it up

        if email_re.search(username):

            try:

                user = AstakosUser.objects.get(email=username)

            except AstakosUser.DoesNotExist:

                return None

        else:

            #We have a non-email address username we

            #should try username

            try:

                user = AstakosUser.objects.get(username=username)

            except AstakosUser.DoesNotExist:

                return None

        if user.check_password(password):

            return user

    def get_user(self, user_id):

        try:

            return AstakosUser.objects.get(pk=user_id)

        except AstakosUser.DoesNotExist:

            return None