72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
|
"""Flow models"""
|
||
|
|
from enum import Enum
|
||
|
|
from typing import Tuple
|
||
|
|
|
||
|
|
from django.db import models
|
||
|
|
from django.utils.translation import gettext_lazy as _
|
||
|
|
|
||
|
|
from passbook.core.models import Factor
|
||
|
|
from passbook.lib.models import UUIDModel
|
||
|
|
from passbook.policies.models import PolicyBindingModel
|
||
|
|
|
||
|
|
|
||
|
|
class FlowDesignation(Enum):
|
||
|
|
"""Designation of what a Flow should be used for. At a later point, this
|
||
|
|
should be replaced by a database entry."""
|
||
|
|
|
||
|
|
AUTHENTICATION = "authentication"
|
||
|
|
ENROLLMENT = "enrollment"
|
||
|
|
RECOVERY = "recovery"
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def as_choices() -> Tuple[Tuple[str, str]]:
|
||
|
|
"""Generate choices of actions used for database"""
|
||
|
|
return tuple(
|
||
|
|
(x, y.value) for x, y in getattr(FlowDesignation, "__members__").items()
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class Flow(PolicyBindingModel, UUIDModel):
|
||
|
|
"""Flow describes how a series of Factors should be executed to authenticate/enroll/recover
|
||
|
|
a user. Additionally, policies can be applied, to specify which users
|
||
|
|
have access to this flow."""
|
||
|
|
|
||
|
|
name = models.TextField()
|
||
|
|
slug = models.SlugField(unique=True)
|
||
|
|
|
||
|
|
designation = models.CharField(max_length=100, choices=FlowDesignation.as_choices())
|
||
|
|
|
||
|
|
factors = models.ManyToManyField(Factor, through="FlowFactorBinding")
|
||
|
|
|
||
|
|
pbm = models.OneToOneField(
|
||
|
|
PolicyBindingModel, parent_link=True, on_delete=models.CASCADE, related_name="+"
|
||
|
|
)
|
||
|
|
|
||
|
|
def __str__(self) -> str:
|
||
|
|
return f"Flow {self.name} ({self.slug})"
|
||
|
|
|
||
|
|
class Meta:
|
||
|
|
|
||
|
|
verbose_name = _("Flow")
|
||
|
|
verbose_name_plural = _("Flows")
|
||
|
|
|
||
|
|
|
||
|
|
class FlowFactorBinding(PolicyBindingModel, UUIDModel):
|
||
|
|
"""Relationship between Flow and Factor. Order is required and unique for
|
||
|
|
each flow-factor Binding. Additionally, policies can be specified, which determine if
|
||
|
|
this Binding applies to the current user"""
|
||
|
|
|
||
|
|
flow = models.ForeignKey("Flow", on_delete=models.CASCADE)
|
||
|
|
factor = models.ForeignKey(Factor, on_delete=models.CASCADE)
|
||
|
|
|
||
|
|
order = models.IntegerField()
|
||
|
|
|
||
|
|
def __str__(self) -> str:
|
||
|
|
return f"Flow Factor Binding {self.flow} -> {self.factor}"
|
||
|
|
|
||
|
|
class Meta:
|
||
|
|
|
||
|
|
verbose_name = _("Flow Factor Binding")
|
||
|
|
verbose_name_plural = _("Flow Factor Bindings")
|
||
|
|
unique_together = (("flow", "factor", "order"),)
|