bookwyrm/fedireads/remote_user.py

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''' manage remote users '''
import requests
from urllib.parse import urlparse
from fedireads import models
from fedireads.status import create_review_from_activity
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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
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server = get_or_create_remote_server(actor_parts.netloc)
# 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),
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federated_server=server,
)
if user.fedireads_user:
get_remote_reviews(user)
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return user
def get_remote_reviews(user):
''' ingest reviews by a new remote fedireads user '''
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# TODO: use the server as the data source instead of OL
outbox_page = user.outbox + '?page=true'
response = requests.get(
outbox_page,
headers={'Accept': 'application/activity+json'}
)
data = response.json()
for status in data['orderedItems']:
if status.get('fedireadsType') == 'Review':
create_review_from_activity(user, status)
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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