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Remove special remote user handling code

Browse source 
also fixes date parsing
This commit is contained in:
Mouse Reeve 2020-11-28 11:48:17 -08:00
parent fd7e476c9b
commit b0202eb8e8
7 changed files with 102 additions and 151 deletions
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9
bookwyrm/activitypub/base_activity.py
View file

@ -118,11 +118,12 @@ class ActivityObject:
formatted_value = mapping.model_formatter(value)
if isinstance(model_field, DeferredAttribute) and \
isinstance(model_field.field, DateTimeField):
print("DATE")
try:
formatted_value = timezone.make_aware(
dateutil.parser.parse(formatted_value)
)
date_value = dateutil.parser.parse(formatted_value)
try:
formatted_value = timezone.make_aware(date_value)
except ValueError:
formatted_value = date_value
except ParserError:
formatted_value = None
elif isinstance(model_field, ForwardManyToOneDescriptor) and \

49
bookwyrm/incoming.py
View file

@ -10,7 +10,6 @@ import requests
from bookwyrm import activitypub, books_manager, models, outgoing
from bookwyrm import status as status_builder
from bookwyrm.remote_user import get_or_create_remote_user, refresh_remote_user
from bookwyrm.tasks import app
from bookwyrm.signatures import Signature
@ -96,13 +95,15 @@ def has_valid_signature(request, activity):
if key_actor != activity.get('actor'):
raise ValueError("Wrong actor created signature.")
remote_user = get_or_create_remote_user(key_actor)
remote_user = activitypub.resolve_remote_id(models.User, key_actor)
try:
signature.verify(remote_user.public_key, request)
except ValueError:
old_key = remote_user.public_key
refresh_remote_user(remote_user)
activitypub.resolve_remote_id(
models.User, remote_user, refresh=True
)
if remote_user.public_key == old_key:
raise # Key unchanged.
signature.verify(remote_user.public_key, request)
@ -127,7 +128,7 @@ def handle_follow(activity):
return
# figure out who the actor is
actor = get_or_create_remote_user(activity['actor'])
actor = activitypub.resolve_remote_id(models.User, activity['actor'])
try:
relationship = models.UserFollowRequest.objects.create(
user_subject=actor,
@ -162,7 +163,7 @@ def handle_follow(activity):
def handle_unfollow(activity):
''' unfollow a local user '''
obj = activity['object']
requester = get_or_create_remote_user(obj['actor'])
requester = activitypub.resolve_remote_id(models.user, obj['actor'])
to_unfollow = models.User.objects.get(remote_id=obj['object'])
# raises models.User.DoesNotExist
@ -175,7 +176,7 @@ def handle_follow_accept(activity):
# figure out who they want to follow
requester = models.User.objects.get(remote_id=activity['object']['actor'])
# figure out who they are
accepter = get_or_create_remote_user(activity['actor'])
accepter = activitypub.resolve_remote_id(models.User, activity['actor'])
try:
request = models.UserFollowRequest.objects.get(
@ -192,7 +193,7 @@ def handle_follow_accept(activity):
def handle_follow_reject(activity):
''' someone is rejecting a follow request '''
requester = models.User.objects.get(remote_id=activity['object']['actor'])
rejecter = get_or_create_remote_user(activity['actor'])
rejecter = activitypub.resolve_remote_id(models.User, activity['actor'])
request = models.UserFollowRequest.objects.get(
user_subject=requester,
@ -205,25 +206,27 @@ def handle_follow_reject(activity):
@app.task
def handle_create(activity):
''' someone did something, good on them '''
if activity['object'].get('type') not in \
['Note', 'Comment', 'Quotation', 'Review', 'GeneratedNote']:
# if it's an article or unknown type, ignore it
return
user = get_or_create_remote_user(activity['actor'])
if user.local:
# we really oughtn't even be sending in this case
return
# deduplicate incoming activities
status_id = activity['object']['id']
if models.Status.objects.filter(remote_id=status_id).count():
return
status = status_builder.create_status(activity['object'])
if not status:
serializer = activitypub.activity_objects[activity['type']]
status = serializer(**activity)
try:
model = models.activity_models[activity.type]
except KeyError:
# not a type of status we are prepared to deserialize
return
if activity.type == 'Note':
reply = models.Status.objects.filter(
remote_id=activity.inReplyTo
).first()
if not reply:
return
activity.to_model(model)
# create a notification if this is a reply
if status.reply_parent and status.reply_parent.user.local:
status_builder.create_notification(
@ -257,16 +260,14 @@ def handle_favorite(activity):
''' approval of your good good post '''
fav = activitypub.Like(**activity)
liker = get_or_create_remote_user(activity['actor'])
if liker.local:
return
fav = fav.to_model(models.Favorite)
if fav.user.local:
return
status_builder.create_notification(
fav.status.user,
'FAVORITE',
related_user=liker,
related_user=fav.user,
related_status=fav.status,
)

69
bookwyrm/models/user.py
View file

@ -1,5 +1,6 @@
''' database schema for user data '''
from urllib.parse import urlparse
import requests
from django.contrib.auth.models import AbstractUser
from django.db import models
@ -7,10 +8,12 @@ from django.dispatch import receiver
from bookwyrm import activitypub
from bookwyrm.models.shelf import Shelf
from bookwyrm.models.status import Status
from bookwyrm.models.status import Status, Review
from bookwyrm.settings import DOMAIN
from bookwyrm.signatures import create_key_pair
from bookwyrm.tasks import app
from .base_model import ActivityMapping, OrderedCollectionPageMixin
from .federated_server import FederatedServer
class User(OrderedCollectionPageMixin, AbstractUser):
@ -188,7 +191,16 @@ class User(OrderedCollectionPageMixin, AbstractUser):
@receiver(models.signals.post_save, sender=User)
def execute_after_save(sender, instance, created, *args, **kwargs):
''' create shelves for new users '''
if not instance.local or not created:
if not created:
return
if not instance.local:
actor_parts = urlparse(instance.remote_id)
instance.federated_server = \
get_or_create_remote_server(actor_parts.netloc)
instance.save()
if instance.bookwyrm_user:
get_remote_reviews.delay(instance.outbox)
return
shelves = [{
@ -209,3 +221,56 @@ def execute_after_save(sender, instance, created, *args, **kwargs):
user=instance,
editable=False
).save()
def get_or_create_remote_server(domain):
''' get info on a remote server '''
try:
return FederatedServer.objects.get(
server_name=domain
)
except FederatedServer.DoesNotExist:
pass
response = requests.get(
'https://%s/.well-known/nodeinfo' % domain,
headers={'Accept': 'application/activity+json'}
)
if response.status_code != 200:
return None
data = response.json()
try:
nodeinfo_url = data.get('links')[0].get('href')
except (TypeError, KeyError):
return None
response = requests.get(
nodeinfo_url,
headers={'Accept': 'application/activity+json'}
)
data = response.json()
server = FederatedServer.objects.create(
server_name=domain,
application_type=data['software']['name'],
application_version=data['software']['version'],
)
return server
@app.task
def get_remote_reviews(outbox):
''' ingest reviews by a new remote bookwyrm user '''
outbox_page = outbox + '?page=true'
response = requests.get(
outbox_page,
headers={'Accept': 'application/activity+json'}
)
data = response.json()
# TODO: pagination?
for activity in data['orderedItems']:
if not activity['type'] == 'Review':
continue
activitypub.Review(**activity).to_model(Review)

7
bookwyrm/outgoing.py
View file

@ -12,7 +12,6 @@ from bookwyrm.broadcast import broadcast
from bookwyrm.status import create_notification
from bookwyrm.status import create_generated_note
from bookwyrm.status import delete_status
from bookwyrm.remote_user import get_or_create_remote_user
from bookwyrm.settings import DOMAIN
from bookwyrm.utils import regex
@ -61,9 +60,11 @@ def handle_remote_webfinger(query):
return None
data = response.json()
for link in data['links']:
if link['rel'] == 'self':
if link.get('rel') == 'self':
try:
user = get_or_create_remote_user(link['href'])
user = activitypub.resolve_remote_id(
models.User, link['href']
)
except KeyError:
return None
return user

86
bookwyrm/remote_user.py
View file

@ -1,86 +0,0 @@
''' manage remote users '''
from urllib.parse import urlparse
import requests
from django.db import transaction
from bookwyrm import activitypub, models
from bookwyrm import status as status_builder
from bookwyrm.tasks import app
def get_or_create_remote_user(actor):
''' look up a remote user or add them '''
try:
return models.User.objects.get(remote_id=actor)
except models.User.DoesNotExist:
pass
actor_parts = urlparse(actor)
with transaction.atomic():
user = activitypub.resolve_remote_id(models.User, actor)
user.federated_server = get_or_create_remote_server(actor_parts.netloc)
user.save()
if user.bookwyrm_user:
get_remote_reviews.delay(user.id)
return user
def refresh_remote_user(user):
''' get updated user data from its home instance '''
activitypub.resolve_remote_id(user.remote_id, refresh=True)
@app.task
def get_remote_reviews(user_id):
''' ingest reviews by a new remote bookwyrm user '''
try:
user = models.User.objects.get(id=user_id)
except models.User.DoesNotExist:
return
outbox_page = user.outbox + '?page=true'
response = requests.get(
outbox_page,
headers={'Accept': 'application/activity+json'}
)
data = response.json()
# TODO: pagination?
for activity in data['orderedItems']:
status_builder.create_status(activity)
def get_or_create_remote_server(domain):
''' get info on a remote server '''
try:
return models.FederatedServer.objects.get(
server_name=domain
)
except models.FederatedServer.DoesNotExist:
pass
response = requests.get(
'https://%s/.well-known/nodeinfo' % domain,
headers={'Accept': 'application/activity+json'}
)
if response.status_code != 200:
return None
data = response.json()
try:
nodeinfo_url = data.get('links')[0].get('href')
except (TypeError, KeyError):
return None
response = requests.get(
nodeinfo_url,
headers={'Accept': 'application/activity+json'}
)
data = response.json()
server = models.FederatedServer.objects.create(
server_name=domain,
application_type=data['software']['name'],
application_version=data['software']['version'],
)
return server

31
bookwyrm/status.py
View file

@ -12,37 +12,6 @@ def delete_status(status):
status.save()
def create_status(activity):
''' unfortunately, it's not QUITE as simple as deserializing it '''
# render the json into an activity object
serializer = activitypub.activity_objects[activity['type']]
activity = serializer(**activity)
try:
model = models.activity_models[activity.type]
except KeyError:
# not a type of status we are prepared to deserialize
return None
# ignore notes that aren't replies to known statuses
if activity.type == 'Note':
reply = models.Status.objects.filter(
remote_id=activity.inReplyTo
).first()
if not reply:
return None
# look up books
book_urls = []
if hasattr(activity, 'inReplyToBook'):
book_urls.append(activity.inReplyToBook)
if hasattr(activity, 'tag'):
book_urls += [t['href'] for t in activity.tag if t['type'] == 'Book']
for remote_id in book_urls:
books_manager.get_or_create_book(remote_id)
return activity.to_model(model)
def create_generated_note(user, content, mention_books=None, privacy='public'):
''' a note created by the app about user activity '''
# sanitize input html

2
celerywyrm/celery.py
View file

@ -24,4 +24,4 @@ app.autodiscover_tasks(['bookwyrm'], related_name='books_manager')
app.autodiscover_tasks(['bookwyrm'], related_name='emailing')
app.autodiscover_tasks(['bookwyrm'], related_name='goodreads_import')
app.autodiscover_tasks(['bookwyrm'], related_name='incoming')
app.autodiscover_tasks(['bookwyrm'], related_name='remote_user')
app.autodiscover_tasks(['bookwyrm'], related_name='models.user')