forked from mirrors/bookwyrm
384 lines
12 KiB
Python
384 lines
12 KiB
Python
''' handles all the activity coming out of the server '''
|
|
import re
|
|
|
|
from django.db import IntegrityError, transaction
|
|
from django.http import JsonResponse
|
|
from django.shortcuts import get_object_or_404
|
|
from django.views.decorators.csrf import csrf_exempt
|
|
from django.views.decorators.http import require_GET
|
|
from markdown import markdown
|
|
from requests import HTTPError
|
|
|
|
from bookwyrm import activitypub
|
|
from bookwyrm import models
|
|
from bookwyrm.connectors import get_data, ConnectorException
|
|
from bookwyrm.broadcast import broadcast
|
|
from bookwyrm.sanitize_html import InputHtmlParser
|
|
from bookwyrm.status import create_notification
|
|
from bookwyrm.status import create_generated_note
|
|
from bookwyrm.status import delete_status
|
|
from bookwyrm.settings import DOMAIN
|
|
from bookwyrm.utils import regex
|
|
|
|
|
|
@csrf_exempt
|
|
@require_GET
|
|
def outbox(request, username):
|
|
''' outbox for the requested user '''
|
|
user = get_object_or_404(models.User, localname=username)
|
|
filter_type = request.GET.get('type')
|
|
if filter_type not in models.status_models:
|
|
filter_type = None
|
|
|
|
return JsonResponse(
|
|
user.to_outbox(**request.GET, filter_type=filter_type),
|
|
encoder=activitypub.ActivityEncoder
|
|
)
|
|
|
|
|
|
def handle_remote_webfinger(query):
|
|
''' webfingerin' other servers '''
|
|
user = None
|
|
|
|
# usernames could be @user@domain or user@domain
|
|
if query[0] == '@':
|
|
query = query[1:]
|
|
|
|
try:
|
|
domain = query.split('@')[1]
|
|
except IndexError:
|
|
return None
|
|
|
|
try:
|
|
user = models.User.objects.get(username=query)
|
|
except models.User.DoesNotExist:
|
|
url = 'https://%s/.well-known/webfinger?resource=acct:%s' % \
|
|
(domain, query)
|
|
try:
|
|
data = get_data(url)
|
|
except (ConnectorException, HTTPError):
|
|
return None
|
|
|
|
for link in data.get('links'):
|
|
if link.get('rel') == 'self':
|
|
try:
|
|
user = activitypub.resolve_remote_id(
|
|
models.User, link['href']
|
|
)
|
|
except KeyError:
|
|
return None
|
|
return user
|
|
|
|
|
|
def handle_follow(user, to_follow):
|
|
''' someone local wants to follow someone '''
|
|
relationship, _ = models.UserFollowRequest.objects.get_or_create(
|
|
user_subject=user,
|
|
user_object=to_follow,
|
|
)
|
|
activity = relationship.to_activity()
|
|
broadcast(user, activity, privacy='direct', direct_recipients=[to_follow])
|
|
|
|
|
|
def handle_unfollow(user, to_unfollow):
|
|
''' someone local wants to follow someone '''
|
|
relationship = models.UserFollows.objects.get(
|
|
user_subject=user,
|
|
user_object=to_unfollow
|
|
)
|
|
activity = relationship.to_undo_activity(user)
|
|
broadcast(user, activity, privacy='direct', direct_recipients=[to_unfollow])
|
|
to_unfollow.followers.remove(user)
|
|
|
|
|
|
def handle_accept(follow_request):
|
|
''' send an acceptance message to a follow request '''
|
|
user = follow_request.user_subject
|
|
to_follow = follow_request.user_object
|
|
with transaction.atomic():
|
|
relationship = models.UserFollows.from_request(follow_request)
|
|
follow_request.delete()
|
|
relationship.save()
|
|
|
|
activity = relationship.to_accept_activity()
|
|
broadcast(to_follow, activity, privacy='direct', direct_recipients=[user])
|
|
|
|
|
|
def handle_reject(follow_request):
|
|
''' a local user who managed follows rejects a follow request '''
|
|
user = follow_request.user_subject
|
|
to_follow = follow_request.user_object
|
|
activity = follow_request.to_reject_activity()
|
|
follow_request.delete()
|
|
broadcast(to_follow, activity, privacy='direct', direct_recipients=[user])
|
|
|
|
|
|
def handle_shelve(user, book, shelf):
|
|
''' a local user is getting a book put on their shelf '''
|
|
# update the database
|
|
shelve = models.ShelfBook(book=book, shelf=shelf, added_by=user)
|
|
shelve.save()
|
|
|
|
broadcast(user, shelve.to_add_activity(user))
|
|
|
|
|
|
def handle_unshelve(user, book, shelf):
|
|
''' a local user is getting a book put on their shelf '''
|
|
# update the database
|
|
row = models.ShelfBook.objects.get(book=book, shelf=shelf)
|
|
activity = row.to_remove_activity(user)
|
|
row.delete()
|
|
|
|
broadcast(user, activity)
|
|
|
|
|
|
def handle_reading_status(user, shelf, book, privacy):
|
|
''' post about a user reading a book '''
|
|
# tell the world about this cool thing that happened
|
|
try:
|
|
message = {
|
|
'to-read': 'wants to read',
|
|
'reading': 'started reading',
|
|
'read': 'finished reading'
|
|
}[shelf.identifier]
|
|
except KeyError:
|
|
# it's a non-standard shelf, don't worry about it
|
|
return
|
|
|
|
status = create_generated_note(
|
|
user,
|
|
message,
|
|
mention_books=[book],
|
|
privacy=privacy
|
|
)
|
|
status.save()
|
|
|
|
broadcast(user, status.to_create_activity(user))
|
|
|
|
|
|
def handle_imported_book(user, item, include_reviews, privacy):
|
|
''' process a goodreads csv and then post about it '''
|
|
if isinstance(item.book, models.Work):
|
|
item.book = item.book.default_edition
|
|
if not item.book:
|
|
return
|
|
|
|
if item.shelf:
|
|
desired_shelf = models.Shelf.objects.get(
|
|
identifier=item.shelf,
|
|
user=user
|
|
)
|
|
# shelve the book if it hasn't been shelved already
|
|
shelf_book, created = models.ShelfBook.objects.get_or_create(
|
|
book=item.book, shelf=desired_shelf, added_by=user)
|
|
if created:
|
|
broadcast(user, shelf_book.to_add_activity(user), privacy=privacy)
|
|
|
|
# only add new read-throughs if the item isn't already shelved
|
|
for read in item.reads:
|
|
read.book = item.book
|
|
read.user = user
|
|
read.save()
|
|
|
|
if include_reviews and (item.rating or item.review):
|
|
review_title = 'Review of {!r} on Goodreads'.format(
|
|
item.book.title,
|
|
) if item.review else ''
|
|
|
|
# we don't know the publication date of the review,
|
|
# but "now" is a bad guess
|
|
published_date_guess = item.date_read or item.date_added
|
|
review = models.Review.objects.create(
|
|
user=user,
|
|
book=item.book,
|
|
name=review_title,
|
|
content=item.review,
|
|
rating=item.rating,
|
|
published_date=published_date_guess,
|
|
privacy=privacy,
|
|
)
|
|
# we don't need to send out pure activities because non-bookwyrm
|
|
# instances don't need this data
|
|
broadcast(user, review.to_create_activity(user), privacy=privacy)
|
|
|
|
|
|
def handle_delete_status(user, status):
|
|
''' delete a status and broadcast deletion to other servers '''
|
|
delete_status(status)
|
|
broadcast(user, status.to_delete_activity(user))
|
|
|
|
|
|
def handle_status(user, form):
|
|
''' generic handler for statuses '''
|
|
status = form.save(commit=False)
|
|
if not status.sensitive and status.content_warning:
|
|
# the cw text field remains populated when you click "remove"
|
|
status.content_warning = None
|
|
status.save()
|
|
|
|
# inspect the text for user tags
|
|
matches = []
|
|
for match in re.finditer(regex.username, status.content):
|
|
username = match.group().strip().split('@')[1:]
|
|
if len(username) == 1:
|
|
# this looks like a local user (@user), fill in the domain
|
|
username.append(DOMAIN)
|
|
username = '@'.join(username)
|
|
|
|
mention_user = handle_remote_webfinger(username)
|
|
if not mention_user:
|
|
# we can ignore users we don't know about
|
|
continue
|
|
matches.append((match.group(), mention_user.remote_id))
|
|
# add them to status mentions fk
|
|
status.mention_users.add(mention_user)
|
|
# create notification if the mentioned user is local
|
|
if mention_user.local:
|
|
create_notification(
|
|
mention_user,
|
|
'MENTION',
|
|
related_user=user,
|
|
related_status=status
|
|
)
|
|
# add mentions
|
|
content = status.content
|
|
for (username, url) in matches:
|
|
content = re.sub(
|
|
r'%s([^@])' % username,
|
|
r'<a href="%s">%s</a>\g<1>' % (url, username),
|
|
content)
|
|
if not isinstance(status, models.GeneratedNote):
|
|
status.content = to_markdown(content)
|
|
if hasattr(status, 'quote'):
|
|
status.quote = to_markdown(status.quote)
|
|
status.save()
|
|
|
|
# notify reply parent or tagged users
|
|
if status.reply_parent and status.reply_parent.user.local:
|
|
create_notification(
|
|
status.reply_parent.user,
|
|
'REPLY',
|
|
related_user=user,
|
|
related_status=status
|
|
)
|
|
|
|
broadcast(user, status.to_create_activity(user), software='bookwyrm')
|
|
|
|
# re-format the activity for non-bookwyrm servers
|
|
remote_activity = status.to_create_activity(user, pure=True)
|
|
broadcast(user, remote_activity, software='other')
|
|
|
|
|
|
def to_markdown(content):
|
|
''' catch links and convert to markdown '''
|
|
content = re.sub(
|
|
r'([^(href=")])(https?:\/\/([A-Za-z\.\-_\/]+' \
|
|
r'\.[A-Za-z]{2,}[A-Za-z\.\-_\/]+))',
|
|
r'\g<1><a href="\g<2>">\g<3></a>',
|
|
content)
|
|
content = markdown(content)
|
|
# sanitize resulting html
|
|
sanitizer = InputHtmlParser()
|
|
sanitizer.feed(content)
|
|
return sanitizer.get_output()
|
|
|
|
|
|
def handle_tag(user, tag):
|
|
''' tag a book '''
|
|
broadcast(user, tag.to_add_activity(user))
|
|
|
|
|
|
def handle_untag(user, book, name):
|
|
''' tag a book '''
|
|
book = models.Book.objects.get(id=book)
|
|
tag = models.Tag.objects.get(name=name, book=book, user=user)
|
|
tag_activity = tag.to_remove_activity(user)
|
|
tag.delete()
|
|
|
|
broadcast(user, tag_activity)
|
|
|
|
|
|
def handle_favorite(user, status):
|
|
''' a user likes a status '''
|
|
try:
|
|
favorite = models.Favorite.objects.create(
|
|
status=status,
|
|
user=user
|
|
)
|
|
except IntegrityError:
|
|
# you already fav'ed that
|
|
return
|
|
|
|
fav_activity = favorite.to_activity()
|
|
broadcast(
|
|
user, fav_activity, privacy='direct', direct_recipients=[status.user])
|
|
create_notification(
|
|
status.user,
|
|
'FAVORITE',
|
|
related_user=user,
|
|
related_status=status
|
|
)
|
|
|
|
|
|
def handle_unfavorite(user, status):
|
|
''' a user likes a status '''
|
|
try:
|
|
favorite = models.Favorite.objects.get(
|
|
status=status,
|
|
user=user
|
|
)
|
|
except models.Favorite.DoesNotExist:
|
|
# can't find that status, idk
|
|
return
|
|
|
|
fav_activity = favorite.to_undo_activity(user)
|
|
favorite.delete()
|
|
broadcast(user, fav_activity, direct_recipients=[status.user])
|
|
|
|
|
|
def handle_boost(user, status):
|
|
''' a user wishes to boost a status '''
|
|
# is it boostable?
|
|
if not status.boostable:
|
|
return
|
|
|
|
if models.Boost.objects.filter(
|
|
boosted_status=status, user=user).exists():
|
|
# you already boosted that.
|
|
return
|
|
boost = models.Boost.objects.create(
|
|
boosted_status=status,
|
|
privacy=status.privacy,
|
|
user=user,
|
|
)
|
|
|
|
boost_activity = boost.to_activity()
|
|
broadcast(user, boost_activity)
|
|
|
|
create_notification(
|
|
status.user,
|
|
'BOOST',
|
|
related_user=user,
|
|
related_status=status
|
|
)
|
|
|
|
|
|
def handle_unboost(user, status):
|
|
''' a user regrets boosting a status '''
|
|
boost = models.Boost.objects.filter(
|
|
boosted_status=status, user=user
|
|
).first()
|
|
activity = boost.to_undo_activity(user)
|
|
|
|
boost.delete()
|
|
broadcast(user, activity)
|
|
|
|
|
|
def handle_update_book_data(user, item):
|
|
''' broadcast the news about our book '''
|
|
broadcast(user, item.to_update_activity(user))
|
|
|
|
|
|
def handle_update_user(user):
|
|
''' broadcast editing a user's profile '''
|
|
broadcast(user, user.to_update_activity(user))
|