467 lines
17 KiB
Python
467 lines
17 KiB
Python
import requests
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import string
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import random
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import functools
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import logging
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from django.core.exceptions import ObjectDoesNotExist
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from django.conf import settings
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from django.shortcuts import reverse
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from urllib.parse import quote
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from .models import CrossSiteUserInfo, MastodonApplication
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from mastodon.utils import rating_to_emoji
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logger = logging.getLogger(__name__)
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# See https://docs.joinmastodon.org/methods/accounts/
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# returns user info
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# retruns the same info as verify account credentials
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# GET
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API_GET_ACCOUNT = '/api/v1/accounts/:id'
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# returns user info if valid, 401 if invalid
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# GET
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API_VERIFY_ACCOUNT = '/api/v1/accounts/verify_credentials'
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# obtain token
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# GET
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API_OBTAIN_TOKEN = '/oauth/token'
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# obatin auth code
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# GET
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API_OAUTH_AUTHORIZE = '/oauth/authorize'
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# revoke token
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# POST
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API_REVOKE_TOKEN = '/oauth/revoke'
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# relationships
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# GET
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API_GET_RELATIONSHIPS = '/api/v1/accounts/relationships'
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# toot
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# POST
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API_PUBLISH_TOOT = '/api/v1/statuses'
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# create new app
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# POST
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API_CREATE_APP = '/api/v1/apps'
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# search
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# GET
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API_SEARCH = '/api/v2/search'
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TWITTER_DOMAIN = 'twitter.com'
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TWITTER_API_ME = 'https://api.twitter.com/2/users/me'
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TWITTER_API_POST = 'https://api.twitter.com/2/tweets'
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TWITTER_API_TOKEN = 'https://api.twitter.com/2/oauth2/token'
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USER_AGENT = f"{settings.CLIENT_NAME}/1.0"
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get = functools.partial(requests.get, timeout=settings.MASTODON_TIMEOUT)
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post = functools.partial(requests.post, timeout=settings.MASTODON_TIMEOUT)
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# low level api below
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def get_relationships(site, id_list, token): # no longer in use
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url = 'https://' + site + API_GET_RELATIONSHIPS
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payload = {'id[]': id_list}
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headers = {
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'User-Agent': USER_AGENT,
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'Authorization': f'Bearer {token}'
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}
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response = get(url, headers=headers, params=payload)
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return response.json()
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def post_toot(site, content, visibility, token, local_only=False):
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headers = {
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'User-Agent': USER_AGENT,
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'Authorization': f'Bearer {token}',
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'Idempotency-Key': random_string_generator(16)
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}
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if site == TWITTER_DOMAIN:
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url = TWITTER_API_POST
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payload = {
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'text': content if len(content) <= 150 else content[0:150] + '...'
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}
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response = post(url, headers=headers, json=payload)
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else:
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url = 'https://' + site + API_PUBLISH_TOOT
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payload = {
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'status': content,
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'visibility': visibility,
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}
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if local_only:
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payload['local_only'] = True
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try:
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response = post(url, headers=headers, data=payload)
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if response.status_code == 201:
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response.status_code = 200
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if response.status_code != 200:
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logger.error(f"Error {url} {response.status_code}")
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except Exception:
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response = None
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return response
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def get_instance_info(domain_name):
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if domain_name.lower().strip() == TWITTER_DOMAIN:
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return TWITTER_DOMAIN, ''
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try:
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url = f'https://{domain_name}/api/v1/instance'
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response = get(url, headers={'User-Agent': USER_AGENT})
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j = response.json()
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return j['uri'].lower().split('//')[-1].split('/')[0], j['version']
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except Exception:
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logger.error(f"Error {url}")
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return domain_name, ''
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def create_app(domain_name):
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# naive protocal strip
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is_http = False
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if domain_name.startswith("https://"):
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domain_name = domain_name.replace("https://", '')
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elif domain_name.startswith("http://"):
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is_http = True
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domain_name = domain_name.replace("http://", '')
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if domain_name.endswith('/'):
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domain_name = domain_name[0:-1]
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if not is_http:
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url = 'https://' + domain_name + API_CREATE_APP
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else:
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url = 'http://' + domain_name + API_CREATE_APP
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payload = {
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'client_name': settings.CLIENT_NAME,
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'scopes': settings.MASTODON_CLIENT_SCOPE,
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'redirect_uris': settings.REDIRECT_URIS,
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'website': settings.APP_WEBSITE
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}
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response = post(url, data=payload, headers={'User-Agent': USER_AGENT})
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return response
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def get_site_id(username, user_site, target_site, token):
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url = 'https://' + target_site + API_SEARCH
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payload = {
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'limit': 1,
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'type': 'accounts',
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'resolve': True,
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'q': f"{username}@{user_site}"
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}
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headers = {
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'User-Agent': USER_AGENT,
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'Authorization': f'Bearer {token}'
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}
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response = get(url, params=payload, headers=headers)
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try:
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data = response.json()
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except Exception:
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logger.error(f"Error parsing JSON from {url}")
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return None
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if 'accounts' not in data:
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return None
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elif len(data['accounts']) == 0: # target site may return empty if no cache of this user
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return None
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elif data['accounts'][0]['acct'] != f"{username}@{user_site}": # or return another user with a similar id which needs to be skipped
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return None
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else:
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return data['accounts'][0]['id']
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# high level api below
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def get_relationship(request_user, target_user, useless_token=None):
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return [{
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'blocked_by': target_user.is_blocking(request_user),
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'following': request_user.is_following(target_user),
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}]
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def get_cross_site_id(target_user, target_site, token):
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"""
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Firstly attempt to query local database, if the cross site id
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doesn't exsit then make a query to mastodon site, then save the
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result into database.
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Return target_user at target_site cross site id.
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"""
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if target_site == target_user.mastodon_site:
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return target_user.mastodon_id
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if target_site == TWITTER_DOMAIN:
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return None
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try:
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cross_site_info = CrossSiteUserInfo.objects.get(
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uid=f"{target_user.username}@{target_user.mastodon_site}",
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target_site=target_site
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)
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except ObjectDoesNotExist:
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cross_site_id = get_site_id(
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target_user.username, target_user.mastodon_site, target_site, token)
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if not cross_site_id:
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logger.error(f'unable to find cross_site_id for {target_user} on {target_site}')
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return None
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cross_site_info = CrossSiteUserInfo.objects.create(
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uid=f"{target_user.username}@{target_user.mastodon_site}",
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target_site=target_site,
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site_id=cross_site_id,
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local_id=target_user.id
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)
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return cross_site_info.site_id
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# utils below
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def random_string_generator(n):
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s = string.ascii_letters + string.punctuation + string.digits
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return ''.join(random.choice(s) for i in range(n))
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def verify_account(site, token):
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if site == TWITTER_DOMAIN:
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url = TWITTER_API_ME + '?user.fields=id,username,name,description,profile_image_url,created_at,protected'
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try:
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response = get(url, headers={'User-Agent': USER_AGENT, 'Authorization': f'Bearer {token}'})
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if response.status_code != 200:
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logger.error(f"Error {url} {response.status_code}")
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return response.status_code, None
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r = response.json()['data']
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r['display_name'] = r['name']
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r['note'] = r['description']
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r['avatar'] = r['profile_image_url']
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r['avatar_static'] = r['profile_image_url']
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r['locked'] = r['protected']
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r['url'] = f'https://{TWITTER_DOMAIN}/{r["username"]}'
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return 200, r
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except Exception:
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return -1, None
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url = 'https://' + site + API_VERIFY_ACCOUNT
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try:
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response = get(url, headers={'User-Agent': USER_AGENT, 'Authorization': f'Bearer {token}'})
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return response.status_code, (response.json() if response.status_code == 200 else None)
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except Exception:
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return -1, None
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def get_related_acct_list(site, token, api):
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if site == TWITTER_DOMAIN:
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return []
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url = 'https://' + site + api
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results = []
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while url:
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response = get(url, headers={'User-Agent': USER_AGENT, 'Authorization': f'Bearer {token}'})
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url = None
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if response.status_code == 200:
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results.extend(map(lambda u: (u['acct'] if u['acct'].find('@') != -1 else u['acct'] + '@' + site) if 'acct' in u else u, response.json()))
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if 'Link' in response.headers:
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for ls in response.headers['Link'].split(','):
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li = ls.strip().split(';')
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if li[1].strip() == 'rel="next"':
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url = li[0].strip().replace('>', '').replace('<', '')
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return results
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class TootVisibilityEnum:
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PUBLIC = 'public'
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PRIVATE = 'private'
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DIRECT = 'direct'
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UNLISTED = 'unlisted'
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def get_mastodon_application(domain):
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app = MastodonApplication.objects.filter(domain_name=domain).first()
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if app is not None:
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return app, ''
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if domain == TWITTER_DOMAIN:
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return None, 'Twitter未配置'
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error_msg = None
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try:
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response = create_app(domain)
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except (requests.exceptions.Timeout, ConnectionError):
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error_msg = "联邦网络请求超时。"
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logger.error(f'Error creating app for {domain}: Timeout')
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except Exception as e:
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error_msg = "联邦网络请求失败 " + str(e)
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logger.error(f'Error creating app for {domain}: {e}')
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else:
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# fill the form with returned data
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if response.status_code != 200:
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error_msg = "实例连接错误，代码: " + str(response.status_code)
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logger.error(f'Error creating app for {domain}: {response.status_code}')
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else:
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try:
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data = response.json()
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except Exception:
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error_msg = "实例返回内容无法识别"
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logger.error(f'Error creating app for {domain}: unable to parse response')
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else:
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if settings.MASTODON_ALLOW_ANY_SITE:
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app = MastodonApplication.objects.create(domain_name=domain, app_id=data['id'], client_id=data['client_id'],
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client_secret=data['client_secret'], vapid_key=data['vapid_key'] if 'vapid_key' in data else '')
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else:
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error_msg = "不支持其它实例登录"
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logger.error(f'Disallowed to create app for {domain}')
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return app, error_msg
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def get_mastodon_login_url(app, login_domain, version, request):
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url = request.scheme + "://" + request.get_host() + reverse('users:OAuth2_login')
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if login_domain == TWITTER_DOMAIN:
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return f"https://twitter.com/i/oauth2/authorize?response_type=code&client_id={app.client_id}&redirect_uri={quote(url)}&scope={quote(settings.TWITTER_CLIENT_SCOPE)}&state=state&code_challenge=challenge&code_challenge_method=plain"
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scope = settings.MASTODON_LEGACY_CLIENT_SCOPE if 'Pixelfed' in version else settings.MASTODON_CLIENT_SCOPE
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return "https://" + login_domain + "/oauth/authorize?client_id=" + app.client_id + "&scope=" + quote(scope) + "&redirect_uri=" + url + "&response_type=code"
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def obtain_token(site, request, code):
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""" Returns token if success else None. """
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mast_app = MastodonApplication.objects.get(domain_name=site)
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redirect_uri = request.scheme + "://" + request.get_host() + reverse('users:OAuth2_login')
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payload = {
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'client_id': mast_app.client_id,
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'client_secret': mast_app.client_secret,
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'redirect_uri': redirect_uri,
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'grant_type': 'authorization_code',
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'code': code
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}
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headers = {'User-Agent': USER_AGENT}
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auth = None
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if mast_app.is_proxy:
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url = 'https://' + mast_app.proxy_to + API_OBTAIN_TOKEN
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elif site == TWITTER_DOMAIN:
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url = TWITTER_API_TOKEN
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auth = (mast_app.client_id, mast_app.client_secret)
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del payload['client_secret']
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payload['code_verifier'] = 'challenge'
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else:
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url = 'https://' + mast_app.domain_name + API_OBTAIN_TOKEN
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try:
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response = post(url, data=payload, headers=headers, auth=auth)
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# {"token_type":"bearer","expires_in":7200,"access_token":"VGpkOEZGR3FQRDJ5NkZ0dmYyYWIwS0dqeHpvTnk4eXp0NV9nWDJ2TEpmM1ZTOjE2NDg3ODMxNTU4Mzc6MToxOmF0OjE","scope":"block.read follows.read offline.access tweet.write users.read mute.read","refresh_token":"b1pXbGEzeUF1WE5yZHJOWmxTeWpvMTBrQmZPd0czLU0tQndZQTUyU3FwRDVIOjE2NDg3ODMxNTU4Mzg6MToxOnJ0OjE"}
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if response.status_code != 200:
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logger.error(f"Error {url} {response.status_code}")
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return None, None
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except Exception as e:
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logger.error(f"Error {url} {e}")
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return None, None
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data = response.json()
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return data.get('access_token'), data.get('refresh_token', '')
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def refresh_access_token(site, refresh_token):
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if site != TWITTER_DOMAIN:
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return None
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mast_app = MastodonApplication.objects.get(domain_name=site)
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url = TWITTER_API_TOKEN
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payload = {
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'client_id': mast_app.client_id,
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'refresh_token': refresh_token,
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'grant_type': 'refresh_token',
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}
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headers = {'User-Agent': USER_AGENT}
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auth = (mast_app.client_id, mast_app.client_secret)
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response = post(url, data=payload, headers=headers, auth=auth)
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if response.status_code != 200:
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logger.error(f"Error {url} {response.status_code}")
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return None
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data = response.json()
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return data.get('access_token')
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def revoke_token(site, token):
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mast_app = MastodonApplication.objects.get(domain_name=site)
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payload = {
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'client_id': mast_app.client_id,
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'client_secret': mast_app.client_secret,
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'token': token
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}
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if mast_app.is_proxy:
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url = 'https://' + mast_app.proxy_to + API_REVOKE_TOKEN
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else:
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url = 'https://' + site + API_REVOKE_TOKEN
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post(url, data=payload, headers={'User-Agent': USER_AGENT})
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def share_mark(mark):
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user = mark.owner
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if mark.visibility == 2:
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visibility = TootVisibilityEnum.DIRECT
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elif mark.visibility == 1:
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visibility = TootVisibilityEnum.PRIVATE
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elif user.get_preference().mastodon_publish_public:
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visibility = TootVisibilityEnum.PUBLIC
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else:
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visibility = TootVisibilityEnum.UNLISTED
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tags = '\n' + user.get_preference().mastodon_append_tag.replace('[category]', str(mark.item.verbose_category_name)) if user.get_preference().mastodon_append_tag else ''
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stars = rating_to_emoji(mark.rating, MastodonApplication.objects.get(domain_name=user.mastodon_site).star_mode)
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content = f"{mark.translated_status}《{mark.item.title}》{stars}\n{mark.item.url}\n{mark.text}{tags}"
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response = post_toot(user.mastodon_site, content, visibility, user.mastodon_token)
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if response and response.status_code in [200, 201]:
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j = response.json()
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if 'url' in j:
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mark.shared_link = j['url']
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elif 'data' in j:
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mark.shared_link = f"https://twitter.com/{user.username}/status/{j['data']['id']}"
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if mark.shared_link:
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mark.save(update_fields=['shared_link'])
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return True
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else:
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return False
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def share_review(review):
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user = review.owner
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if review.visibility == 2:
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visibility = TootVisibilityEnum.DIRECT
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elif review.visibility == 1:
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visibility = TootVisibilityEnum.PRIVATE
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elif user.get_preference().mastodon_publish_public:
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visibility = TootVisibilityEnum.PUBLIC
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else:
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visibility = TootVisibilityEnum.UNLISTED
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tags = '\n' + user.get_preference().mastodon_append_tag.replace('[category]', str(review.item.verbose_category_name)) if user.get_preference().mastodon_append_tag else ''
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content = f"发布了关于《{review.item.title}》的评论\n{review.url}\n{review.title}{tags}"
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response = post_toot(user.mastodon_site, content, visibility, user.mastodon_token)
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if response and response.status_code in [200, 201]:
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j = response.json()
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if 'url' in j:
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review.shared_link = j['url']
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elif 'data' in j:
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review.shared_link = f"https://twitter.com/{user.username}/status/{j['data']['id']}"
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if review.shared_link:
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review.save(update_fields=['shared_link'])
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return True
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else:
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return False
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def share_collection(collection, comment, user, visibility_no):
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if visibility_no == 2:
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visibility = TootVisibilityEnum.DIRECT
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elif visibility_no == 1:
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visibility = TootVisibilityEnum.PRIVATE
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elif user.get_preference().mastodon_publish_public:
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visibility = TootVisibilityEnum.PUBLIC
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else:
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visibility = TootVisibilityEnum.UNLISTED
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tags = '\n' + user.get_preference().mastodon_append_tag.replace('[category]', '收藏单') if user.get_preference().mastodon_append_tag else ''
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content = f"分享收藏单《{collection.title}》\n{collection.url}\n{comment}{tags}"
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response = post_toot(user.mastodon_site, content, visibility, user.mastodon_token)
|
|
if response and response.status_code in [200, 201]:
|
|
j = response.json()
|
|
if 'url' in j:
|
|
shared_link = j['url']
|
|
elif 'data' in j:
|
|
shared_link = f"https://twitter.com/{user.username}/status/{j['data']['id']}"
|
|
if shared_link:
|
|
pass
|
|
return True
|
|
else:
|
|
return False
|