109 lines
3.3 KiB
Python
109 lines
3.3 KiB
Python
import random
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import string
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from asgiref.sync import sync_to_async
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from django.conf import settings
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from django.core.mail import send_mail
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from django.db import models
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from django.template.loader import render_to_string
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from core.models import Config
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from stator.models import State, StateField, StateGraph, StatorModel
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class PasswordResetStates(StateGraph):
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new = State(try_interval=300)
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sent = State()
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new.transitions_to(sent)
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@classmethod
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async def handle_new(cls, instance: "PasswordReset"):
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"""
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Sends the password reset email.
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"""
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reset = await instance.afetch_full()
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if reset.new_account:
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await sync_to_async(send_mail)(
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subject=f"{Config.system.site_name}: Confirm new account",
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message=render_to_string(
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"emails/account_new.txt",
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{
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"reset": reset,
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"config": Config.system,
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"settings": settings,
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},
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),
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html_message=render_to_string(
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"emails/account_new.html",
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{
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"reset": reset,
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"config": Config.system,
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"settings": settings,
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},
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),
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from_email=settings.SERVER_EMAIL,
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recipient_list=[reset.user.email],
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)
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else:
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await sync_to_async(send_mail)(
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subject=f"{Config.system.site_name}: Reset password",
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message=render_to_string(
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"emails/password_reset.txt",
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{
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"reset": reset,
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"config": Config.system,
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"settings": settings,
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},
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),
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html_message=render_to_string(
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"emails/password_reset.html",
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{
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"reset": reset,
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"config": Config.system,
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"settings": settings,
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},
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),
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from_email=settings.SERVER_EMAIL,
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recipient_list=[reset.user.email],
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)
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return cls.sent
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class PasswordReset(StatorModel):
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"""
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A password reset for a user (this is also how we create accounts)
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"""
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state = StateField(PasswordResetStates)
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user = models.ForeignKey(
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"users.user",
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on_delete=models.CASCADE,
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related_name="password_resets",
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)
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token = models.CharField(max_length=500, unique=True)
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new_account = models.BooleanField()
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created = models.DateTimeField(auto_now_add=True)
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updated = models.DateTimeField(auto_now=True)
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@classmethod
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def create_for_user(cls, user):
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return cls.objects.create(
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user=user,
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token="".join(random.choice(string.ascii_lowercase) for i in range(42)),
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new_account=not user.password,
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)
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### Async helpers ###
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async def afetch_full(self):
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"""
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Returns a version of the object with all relations pre-loaded
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"""
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return await PasswordReset.objects.select_related(
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"user",
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).aget(pk=self.pk)
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