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114 lines
4.0 KiB
114 lines
4.0 KiB
# -*- coding: utf-8 -*-
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#
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from django.dispatch import receiver
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from django_auth_ldap.backend import populate_user
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from django.conf import settings
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from django.core.exceptions import PermissionDenied
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from django_cas_ng.signals import cas_user_authenticated
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from django.db.models.signals import post_save
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from authentication.backends.oidc.signals import openid_create_or_update_user
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from authentication.backends.saml2.signals import saml2_create_or_update_user
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from common.utils import get_logger
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from .signals import post_user_create
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from .models import User, UserPasswordHistory
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logger = get_logger(__file__)
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def user_authenticated_handle(user, created, source, attrs=None, **kwargs):
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if created and settings.ONLY_ALLOW_EXIST_USER_AUTH:
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user.delete()
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raise PermissionDenied(f'Not allow non-exist user auth: {user.username}')
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if created:
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user.source = source
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user.save()
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elif not created and settings.AUTH_SAML2_ALWAYS_UPDATE_USER:
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attr_whitelist = ('user', 'username', 'email', 'phone', 'comment')
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logger.debug(
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"Receive saml2 user updated signal: {}, "
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"Update user info: {},"
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"(Update only properties in the whitelist. [{}])"
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"".format(user, str(attrs), ','.join(attr_whitelist))
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)
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if attrs is not None:
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for key, value in attrs.items():
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if key in attr_whitelist and value:
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setattr(user, key, value)
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user.save()
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@receiver(post_save, sender=User)
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def save_passwd_change(sender, instance: User, **kwargs):
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passwords = UserPasswordHistory.objects.filter(user=instance) \
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.order_by('-date_created')\
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.values_list('password', flat=True)
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passwords = passwords[:int(settings.OLD_PASSWORD_HISTORY_LIMIT_COUNT)]
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for p in passwords:
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if instance.password == p:
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break
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else:
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UserPasswordHistory.objects.create(
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user=instance, password=instance.password,
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date_created=instance.date_password_last_updated
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)
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@receiver(post_user_create)
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def on_user_create(sender, user=None, **kwargs):
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logger.debug("Receive user `{}` create signal".format(user.name))
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from .utils import send_user_created_mail
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logger.info(" - Sending welcome mail ...".format(user.name))
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if user.can_send_created_mail():
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send_user_created_mail(user)
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@receiver(cas_user_authenticated)
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def on_cas_user_authenticated(sender, user, created, **kwargs):
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source = user.Source.cas.value
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user_authenticated_handle(user, created, source)
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@receiver(saml2_create_or_update_user)
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def on_saml2_create_or_update_user(sender, user, created, attrs, **kwargs):
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source = user.Source.saml2.value
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user_authenticated_handle(user, created, source, attrs, **kwargs)
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@receiver(populate_user)
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def on_ldap_create_user(sender, user, ldap_user, **kwargs):
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if user and user.username not in ['admin']:
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exists = User.objects.filter(username=user.username).exists()
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if not exists:
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user.source = user.Source.ldap.value
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user.save()
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@receiver(openid_create_or_update_user)
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def on_openid_create_or_update_user(sender, request, user, created, name, username, email, **kwargs):
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if created and settings.ONLY_ALLOW_EXIST_USER_AUTH:
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user.delete()
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raise PermissionDenied(f'Not allow non-exist user auth: {username}')
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if created:
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logger.debug(
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"Receive OpenID user created signal: {}, "
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"Set user source is: {}".format(user, User.Source.openid.value)
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)
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user.source = User.Source.openid.value
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user.save()
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elif not created and settings.AUTH_OPENID_ALWAYS_UPDATE_USER:
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logger.debug(
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"Receive OpenID user updated signal: {}, "
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"Update user info: {}"
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"".format(user, "name: {}|username: {}|email: {}".format(name, username, email))
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)
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user.name = name
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user.username = username
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user.email = email
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user.save()
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