50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
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from django.db import models
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from django.contrib.auth import get_user_model
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from uuid import uuid4
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from jwt import decode, InvalidTokenError
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class AppKey(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid4, editable=False)
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user = models.ForeignKey(get_user_model(), models.CASCADE)
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device = models.CharField(max_length=255)
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key = models.TextField()
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active = models.BooleanField(default=True)
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def __str__(self):
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return f"{self.user.username} - {self.device}"
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def validateJWT(self, jwt):
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try:
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return decode(jwt, self.key, algorithms=['HS256'])
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except InvalidTokenError:
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return False
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class AppSession(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid4, editable=False)
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user = models.ForeignKey(get_user_model(), models.CASCADE)
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created = models.DateTimeField(auto_now_add=True)
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used = models.DateTimeField(null=True, blank=True)
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approved = models.BooleanField(default=False)
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@property
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def valid(self):
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return self.created > timezone.now() - timezone.timedelta(minutes=5)
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@classmethod
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def get_for_user(cls, user, create = True):
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assert user
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if not user.appkey_set.filter(active=True).exists():
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return
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user_sessions = cls.objects.filter(user=user)
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for session in user_sessions:
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if session.valid and not session.used:
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return session
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if create:
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return cls.objects.create(user=user)
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