Synnefo » astakos

class Service(models.Model):

    name = models.CharField('Name', max_length=255, unique=True)

    url = models.FilePathField()

    icon = models.FilePathField(blank=True)

    auth_token = models.CharField('Authentication Token', max_length=32,

                                  null=True, blank=True)

    auth_token_created = models.DateTimeField('Token creation date', null=True)

    auth_token_expires = models.DateTimeField('Token expiration date', null=True)

    def save(self, **kwargs):

        if not self.id:

            self.renew_token()

        self.full_clean()

        super(Service, self).save(**kwargs)

    def renew_token(self):

        md5 = hashlib.md5()

        md5.update(self.name.encode('ascii', 'ignore'))

        md5.update(self.url.encode('ascii', 'ignore'))

        md5.update(asctime())

        self.auth_token = b64encode(md5.digest())

        self.auth_token_created = datetime.now()

        self.auth_token_expires = self.auth_token_created + \

                                  timedelta(hours=AUTH_TOKEN_DURATION)