forked from mirrors/bookwyrm
141 lines
4.9 KiB
Python
141 lines
4.9 KiB
Python
""" the particulars for this instance of BookWyrm """
|
|
import base64
|
|
import datetime
|
|
|
|
from Crypto import Random
|
|
from django.db import models, IntegrityError
|
|
from django.dispatch import receiver
|
|
from django.utils import timezone
|
|
from model_utils import FieldTracker
|
|
|
|
from bookwyrm.preview_images import generate_site_preview_image_task
|
|
from bookwyrm.settings import DOMAIN, ENABLE_PREVIEW_IMAGES
|
|
from .base_model import BookWyrmModel
|
|
from .user import User
|
|
|
|
|
|
class SiteSettings(models.Model):
|
|
"""customized settings for this instance"""
|
|
|
|
name = models.CharField(default="BookWyrm", max_length=100)
|
|
instance_tagline = models.CharField(
|
|
max_length=150, default="Social Reading and Reviewing"
|
|
)
|
|
instance_description = models.TextField(default="This instance has no description.")
|
|
|
|
# about page
|
|
registration_closed_text = models.TextField(
|
|
default="Contact an administrator to get an invite"
|
|
)
|
|
code_of_conduct = models.TextField(default="Add a code of conduct here.")
|
|
privacy_policy = models.TextField(default="Add a privacy policy here.")
|
|
|
|
# registration
|
|
allow_registration = models.BooleanField(default=True)
|
|
allow_invite_requests = models.BooleanField(default=True)
|
|
|
|
# images
|
|
logo = models.ImageField(upload_to="logos/", null=True, blank=True)
|
|
logo_small = models.ImageField(upload_to="logos/", null=True, blank=True)
|
|
favicon = models.ImageField(upload_to="logos/", null=True, blank=True)
|
|
preview_image = models.ImageField(
|
|
upload_to="previews/logos/", null=True, blank=True
|
|
)
|
|
|
|
# footer
|
|
support_link = models.CharField(max_length=255, null=True, blank=True)
|
|
support_title = models.CharField(max_length=100, null=True, blank=True)
|
|
admin_email = models.EmailField(max_length=255, null=True, blank=True)
|
|
footer_item = models.TextField(null=True, blank=True)
|
|
|
|
field_tracker = FieldTracker(fields=["name", "instance_tagline", "logo"])
|
|
|
|
@classmethod
|
|
def get(cls):
|
|
"""gets the site settings db entry or defaults"""
|
|
try:
|
|
return cls.objects.get(id=1)
|
|
except cls.DoesNotExist:
|
|
default_settings = SiteSettings(id=1)
|
|
default_settings.save()
|
|
return default_settings
|
|
|
|
|
|
def new_access_code():
|
|
"""the identifier for a user invite"""
|
|
return base64.b32encode(Random.get_random_bytes(5)).decode("ascii")
|
|
|
|
|
|
class SiteInvite(models.Model):
|
|
"""gives someone access to create an account on the instance"""
|
|
|
|
created_date = models.DateTimeField(auto_now_add=True)
|
|
code = models.CharField(max_length=32, default=new_access_code)
|
|
expiry = models.DateTimeField(blank=True, null=True)
|
|
use_limit = models.IntegerField(blank=True, null=True)
|
|
times_used = models.IntegerField(default=0)
|
|
user = models.ForeignKey(User, on_delete=models.CASCADE)
|
|
invitees = models.ManyToManyField(User, related_name="invitees")
|
|
|
|
def valid(self):
|
|
"""make sure it hasn't expired or been used"""
|
|
return (self.expiry is None or self.expiry > timezone.now()) and (
|
|
self.use_limit is None or self.times_used < self.use_limit
|
|
)
|
|
|
|
@property
|
|
def link(self):
|
|
"""formats the invite link"""
|
|
return "https://{}/invite/{}".format(DOMAIN, self.code)
|
|
|
|
|
|
class InviteRequest(BookWyrmModel):
|
|
"""prospective users can request an invite"""
|
|
|
|
email = models.EmailField(max_length=255, unique=True)
|
|
invite = models.ForeignKey(
|
|
SiteInvite, on_delete=models.SET_NULL, null=True, blank=True
|
|
)
|
|
invite_sent = models.BooleanField(default=False)
|
|
ignored = models.BooleanField(default=False)
|
|
|
|
def save(self, *args, **kwargs):
|
|
"""don't create a request for a registered email"""
|
|
if not self.id and User.objects.filter(email=self.email).exists():
|
|
raise IntegrityError()
|
|
super().save(*args, **kwargs)
|
|
|
|
|
|
def get_passowrd_reset_expiry():
|
|
"""give people a limited time to use the link"""
|
|
now = timezone.now()
|
|
return now + datetime.timedelta(days=1)
|
|
|
|
|
|
class PasswordReset(models.Model):
|
|
"""gives someone access to create an account on the instance"""
|
|
|
|
code = models.CharField(max_length=32, default=new_access_code)
|
|
expiry = models.DateTimeField(default=get_passowrd_reset_expiry)
|
|
user = models.OneToOneField(User, on_delete=models.CASCADE)
|
|
|
|
def valid(self):
|
|
"""make sure it hasn't expired or been used"""
|
|
return self.expiry > timezone.now()
|
|
|
|
@property
|
|
def link(self):
|
|
"""formats the invite link"""
|
|
return "https://{}/password-reset/{}".format(DOMAIN, self.code)
|
|
|
|
|
|
# pylint: disable=unused-argument
|
|
@receiver(models.signals.post_save, sender=SiteSettings)
|
|
def preview_image(instance, *args, **kwargs):
|
|
"""Update image preview for the default site image"""
|
|
if not ENABLE_PREVIEW_IMAGES:
|
|
return
|
|
changed_fields = instance.field_tracker.changed()
|
|
|
|
if len(changed_fields) > 0:
|
|
generate_site_preview_image_task.delay()
|