kopia lustrzana https://github.com/jointakahe/takahe
104 wiersze
3.4 KiB
Python
104 wiersze
3.4 KiB
Python
from typing import Optional
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import urlman
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from django.db import models
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class Domain(models.Model):
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"""
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Represents a domain that a user can have an account on.
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For protocol reasons, if we want to allow custom usernames
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per domain, each "display" domain (the one in the handle) must either let
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us serve on it directly, or have a "service" domain that maps
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to it uniquely that we can serve on that.
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That way, someone coming in with just an Actor URI as their
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entrypoint can still try to webfinger preferredUsername@actorDomain
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and we can return an appropriate response.
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It's possible to just have one domain do both jobs, of course.
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This model also represents _other_ servers' domains, which we treat as
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display domains for now, until we start doing better probing.
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"""
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domain = models.CharField(max_length=250, primary_key=True)
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service_domain = models.CharField(
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max_length=250,
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null=True,
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blank=True,
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db_index=True,
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unique=True,
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)
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# If we own this domain
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local = models.BooleanField()
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# If we have blocked this domain from interacting with us
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blocked = models.BooleanField(default=False)
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# Domains can be joinable by any user of the instance (as the default one
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# should)
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public = models.BooleanField(default=False)
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# If this is the default domain (shown as the default entry for new users)
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default = models.BooleanField(default=False)
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# Domains can also be linked to one or more users for their private use
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# This should be display domains ONLY
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users = models.ManyToManyField("users.User", related_name="domains", blank=True)
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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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class urls(urlman.Urls):
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root = "/admin/domains/"
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create = "/admin/domains/create/"
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edit = "/admin/domains/{self.domain}/"
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delete = "{edit}delete/"
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@classmethod
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def get_remote_domain(cls, domain: str) -> "Domain":
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return cls.objects.get_or_create(domain=domain, local=False)[0]
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@classmethod
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def get_domain(cls, domain: str) -> Optional["Domain"]:
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try:
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return cls.objects.get(
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models.Q(domain=domain) | models.Q(service_domain=domain)
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)
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except cls.DoesNotExist:
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return None
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@property
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def uri_domain(self) -> str:
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if self.service_domain:
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return self.service_domain
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return self.domain
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@classmethod
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def available_for_user(cls, user):
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"""
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Returns domains that are available for the user to put an identity on
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"""
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return cls.objects.filter(
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models.Q(public=True) | models.Q(users__id=user.id),
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local=True,
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).order_by("-default", "domain")
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def __str__(self):
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return self.domain
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def save(self, *args, **kwargs):
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# Ensure that we are not conflicting with other domains
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if Domain.objects.filter(service_domain=self.domain).exists():
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raise ValueError(
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f"Domain {self.domain} is already a service domain elsewhere!"
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)
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if self.service_domain:
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if Domain.objects.filter(domain=self.service_domain).exists():
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raise ValueError(
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f"Service domain {self.service_domain} is already a domain elsewhere!"
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)
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super().save(*args, **kwargs)
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