moviewyrm/fedireads/remote_user.py

121 lines
3.6 KiB
Python
Raw Normal View History

2020-02-11 23:17:21 +00:00
''' manage remote users '''
from urllib.parse import urlparse
2020-04-03 17:19:04 +00:00
from uuid import uuid4
2020-04-22 13:53:22 +00:00
import requests
2020-04-03 17:19:04 +00:00
from django.core.files.base import ContentFile
2020-02-11 23:17:21 +00:00
from fedireads import models
from fedireads.status import create_review_from_activity
2020-02-11 23:17:21 +00:00
def get_or_create_remote_user(actor):
''' look up a remote user or add them '''
try:
return models.User.objects.get(actor=actor)
except models.User.DoesNotExist:
pass
# load the user's info from the actor url
response = requests.get(
actor,
headers={'Accept': 'application/activity+json'}
)
if not response.ok:
response.raise_for_status()
data = response.json()
# the webfinger format for the username.
actor_parts = urlparse(actor)
username = '%s@%s' % (actor_parts.path.split('/')[-1], actor_parts.netloc)
shared_inbox = data.get('endpoints').get('sharedInbox') if \
data.get('endpoints') else None
2020-03-29 22:51:43 +00:00
server = get_or_create_remote_server(actor_parts.netloc)
2020-04-03 17:19:04 +00:00
avatar = get_avatar(data)
2020-03-29 22:51:43 +00:00
# throws a key error if it can't find any of these fields
user = models.User.objects.create_user(
username,
'', '', # email and passwords are left blank
actor=actor,
name=data.get('name'),
summary=data.get('summary'),
inbox=data['inbox'], #fail if there's no inbox
outbox=data['outbox'], # fail if there's no outbox
shared_inbox=shared_inbox,
# TODO: I'm never actually using this for remote users
public_key=data.get('publicKey').get('publicKeyPem'),
local=False,
fedireads_user=data.get('fedireadsUser', False),
manually_approves_followers=data.get(
'manuallyApprovesFollowers', False),
2020-03-29 22:51:43 +00:00
federated_server=server,
)
2020-04-03 17:19:04 +00:00
user.avatar.save(*avatar)
if user.fedireads_user:
get_remote_reviews(user)
2020-02-11 23:17:21 +00:00
return user
2020-04-03 17:19:04 +00:00
def get_avatar(data):
''' find the icon attachment and load the image from the remote sever '''
icon_blob = data.get('icon')
if not icon_blob or not icon_blob.get('url'):
return None
response = requests.get(icon_blob['url'])
if not response.ok:
return None
image_name = str(uuid4()) + '.' + icon_blob['url'].split('.')[-1]
image_content = ContentFile(response.content)
return [image_name, image_content]
def get_remote_reviews(user):
''' ingest reviews by a new remote fedireads user '''
outbox_page = user.outbox + '?page=true'
response = requests.get(
outbox_page,
headers={'Accept': 'application/activity+json'}
)
data = response.json()
# TODO: pagination?
for status in data['orderedItems']:
if status.get('fedireadsType') == 'Review':
create_review_from_activity(user, status)
2020-03-29 22:51:43 +00:00
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'}
)
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