__filename__ = "outbox.py" __author__ = "Bob Mottram" __license__ = "AGPL3+" __version__ = "1.3.0" __maintainer__ = "Bob Mottram" __email__ = "bob@libreserver.org" __status__ = "Production" __module_group__ = "Timeline" import os from shutil import copyfile from auth import create_password from posts import is_image_media from posts import outbox_message_create_wrap from posts import save_post_to_box from posts import send_to_followers_thread from posts import send_to_named_addresses_thread from utils import get_account_timezone from utils import has_object_stringType from utils import get_base_content_from_post from utils import has_object_dict from utils import get_local_network_addresses from utils import get_full_domain from utils import remove_id_ending from utils import get_domain_from_actor from utils import dangerous_markup from utils import is_featured_writer from utils import load_json from utils import save_json from utils import acct_dir from utils import local_actor_url from utils import has_actor from blocking import is_blocked_domain from blocking import outbox_block from blocking import outbox_undo_block from blocking import outbox_mute from blocking import outbox_undo_mute from media import replace_you_tube from media import replace_twitter from media import get_media_path from media import create_media_dirs from inbox import inbox_update_index from announce import outbox_announce from announce import outbox_undo_announce from follow import outbox_undo_follow from follow import follower_approval_active from skills import outbox_skills from availability import outbox_availability from like import outbox_like from like import outbox_undo_like from reaction import outbox_reaction from reaction import outbox_undo_reaction from bookmarks import outbox_bookmark from bookmarks import outbox_undo_bookmark from delete import outbox_delete from shares import outbox_share_upload from shares import outbox_undo_share_upload from webapp_post import individual_post_as_html def _person_receive_update_outbox(recent_posts_cache: {}, base_dir: str, http_prefix: str, nickname: str, domain: str, port: int, message_json: {}, debug: bool) -> None: """ Receive an actor update from c2s For example, setting the PGP key from the desktop client """ # these attachments are updatable via c2s updatable_attachments = ('PGP', 'OpenPGP', 'Email') if not message_json.get('type'): return if not isinstance(message_json['type'], str): if debug: print('DEBUG: c2s actor update type is not a string') return if message_json['type'] != 'Update': return if not has_object_stringType(message_json, debug): return if not isinstance(message_json['object']['type'], str): if debug: print('DEBUG: c2s actor update object type is not a string') return if message_json['object']['type'] != 'Person': if debug: print('DEBUG: not a c2s actor update') return if not message_json.get('to'): if debug: print('DEBUG: c2s actor update has no "to" field') return if not has_actor(message_json, debug): return if not message_json.get('id'): if debug: print('DEBUG: c2s actor update has no id field') return if not isinstance(message_json['id'], str): if debug: print('DEBUG: c2s actor update id is not a string') return domain_full = get_full_domain(domain, port) actor = local_actor_url(http_prefix, nickname, domain_full) if len(message_json['to']) != 1: if debug: print('DEBUG: c2s actor update - to does not contain one actor ' + str(message_json['to'])) return if message_json['to'][0] != actor: if debug: print('DEBUG: c2s actor update - to does not contain actor ' + str(message_json['to']) + ' ' + actor) return if not message_json['id'].startswith(actor + '#updates/'): if debug: print('DEBUG: c2s actor update - unexpected id ' + message_json['id']) return updated_actor_json = message_json['object'] # load actor from file actor_filename = acct_dir(base_dir, nickname, domain) + '.json' if not os.path.isfile(actor_filename): print('actor_filename not found: ' + actor_filename) return actor_json = load_json(actor_filename) if not actor_json: return actor_changed = False # update fields within actor if 'attachment' in updated_actor_json: for new_property_value in updated_actor_json['attachment']: if not new_property_value.get('name'): continue if new_property_value['name'] not in updatable_attachments: continue if not new_property_value.get('type'): continue if not new_property_value.get('value'): continue if new_property_value['type'] != 'PropertyValue': continue if 'attachment' not in actor_json: continue found = False for attach_idx, _ in enumerate(actor_json['attachment']): if actor_json['attachment'][attach_idx]['type'] != \ 'PropertyValue': continue if actor_json['attachment'][attach_idx]['name'] != \ new_property_value['name']: continue if actor_json['attachment'][attach_idx]['value'] != \ new_property_value['value']: actor_json['attachment'][attach_idx]['value'] = \ new_property_value['value'] actor_changed = True found = True break if not found: actor_json['attachment'].append({ "name": new_property_value['name'], "type": "PropertyValue", "value": new_property_value['value'] }) actor_changed = True # save actor to file if actor_changed: save_json(actor_json, actor_filename) if debug: print('actor saved: ' + actor_filename) if debug: print('New attachment: ' + str(actor_json['attachment'])) message_json['object'] = actor_json if debug: print('DEBUG: actor update via c2s - ' + nickname + '@' + domain) def post_message_to_outbox(session, translate: {}, message_json: {}, post_to_nickname: str, server, base_dir: str, http_prefix: str, domain: str, domain_full: str, onion_domain: str, i2p_domain: str, port: int, recent_posts_cache: {}, followers_threads: [], federation_list: [], send_threads: [], post_log: [], cached_webfingers: {}, person_cache: {}, allow_deletion: bool, proxy_type: str, version: str, debug: bool, yt_replace_domain: str, twitter_replacement_domain: str, show_published_date_only: bool, allow_local_network_access: bool, city: str, system_language: str, shared_items_federated_domains: [], shared_item_federation_tokens: {}, low_bandwidth: bool, signing_priv_key_pem: str, peertube_instances: str, theme: str, max_like_count: int, max_recent_posts: int, cw_lists: {}, lists_enabled: str, content_license_url: str) -> bool: """post is received by the outbox Client to server message post https://www.w3.org/TR/activitypub/#client-to-server-outbox-delivery """ if not message_json.get('type'): if debug: print('DEBUG: POST to outbox has no "type" parameter') return False if not message_json.get('object') and message_json.get('content'): if message_json['type'] != 'Create': # https://www.w3.org/TR/activitypub/#object-without-create if debug: print('DEBUG: POST to outbox - adding Create wrapper') message_json = \ outbox_message_create_wrap(http_prefix, post_to_nickname, domain, port, message_json) bold_reading = False if server.bold_reading.get(post_to_nickname): bold_reading = True # check that the outgoing post doesn't contain any markup # which can be used to implement exploits if has_object_dict(message_json): content_str = get_base_content_from_post(message_json, system_language) if content_str: if dangerous_markup(content_str, allow_local_network_access): print('POST to outbox contains dangerous markup: ' + str(message_json)) return False if message_json['type'] == 'Create': if not (message_json.get('id') and message_json.get('type') and message_json.get('actor') and message_json.get('object') and message_json.get('to')): if not message_json.get('id'): if debug: print('DEBUG: POST to outbox - ' + 'Create does not have the id parameter ' + str(message_json)) elif not message_json.get('id'): if debug: print('DEBUG: POST to outbox - ' + 'Create does not have the type parameter ' + str(message_json)) elif not message_json.get('id'): if debug: print('DEBUG: POST to outbox - ' + 'Create does not have the actor parameter ' + str(message_json)) elif not message_json.get('id'): if debug: print('DEBUG: POST to outbox - ' + 'Create does not have the object parameter ' + str(message_json)) else: if debug: print('DEBUG: POST to outbox - ' + 'Create does not have the "to" parameter ' + str(message_json)) return False # actor should be a string if not isinstance(message_json['actor'], str): return False # actor should look like a url if '://' not in message_json['actor'] or \ '.' not in message_json['actor']: return False # sent by an actor on a local network address? if not allow_local_network_access: local_network_pattern_list = get_local_network_addresses() for local_network_pattern in local_network_pattern_list: if local_network_pattern in message_json['actor']: return False test_domain, test_port = get_domain_from_actor(message_json['actor']) test_domain = get_full_domain(test_domain, test_port) if is_blocked_domain(base_dir, test_domain): if debug: print('DEBUG: domain is blocked: ' + message_json['actor']) return False # replace youtube, so that google gets less tracking data replace_you_tube(message_json, yt_replace_domain, system_language) # replace twitter, so that twitter posts can be shown without # having a twitter account replace_twitter(message_json, twitter_replacement_domain, system_language) # https://www.w3.org/TR/activitypub/#create-activity-outbox message_json['object']['attributedTo'] = message_json['actor'] if message_json['object'].get('attachment'): attachment_index = 0 attach = message_json['object']['attachment'][attachment_index] if attach.get('mediaType'): file_extension = 'png' media_type_str = \ attach['mediaType'] extensions = { "jpeg": "jpg", "jxl": "jxl", "gif": "gif", "svg": "svg", "webp": "webp", "avif": "avif", "audio/mpeg": "mp3", "ogg": "ogg", "mp4": "mp4", "webm": "webm", "ogv": "ogv" } for match_ext, ext in extensions.items(): if media_type_str.endswith(match_ext): file_extension = ext break media_dir = \ base_dir + '/accounts/' + \ post_to_nickname + '@' + domain upload_media_filename = media_dir + '/upload.' + file_extension if not os.path.isfile(upload_media_filename): del message_json['object']['attachment'] else: # generate a path for the uploaded image mpath = get_media_path() media_path = mpath + '/' + \ create_password(16).lower() + '.' + file_extension create_media_dirs(base_dir, mpath) media_filename = base_dir + '/' + media_path # move the uploaded image to its new path os.rename(upload_media_filename, media_filename) # change the url of the attachment attach['url'] = \ http_prefix + '://' + domain_full + '/' + media_path attach['url'] = \ attach['url'].replace('/media/', '/system/' + 'media_attachments/files/') permitted_outbox_types = ( 'Create', 'Announce', 'Like', 'EmojiReact', 'Follow', 'Undo', 'Update', 'Add', 'Remove', 'Block', 'Delete', 'Skill', 'Ignore' ) if message_json['type'] not in permitted_outbox_types: if debug: print('DEBUG: POST to outbox - ' + message_json['type'] + ' is not a permitted activity type') return False if message_json.get('id'): post_id = remove_id_ending(message_json['id']) if debug: print('DEBUG: id attribute exists within POST to outbox') else: if debug: print('DEBUG: No id attribute within POST to outbox') post_id = None if debug: print('DEBUG: save_post_to_box') if message_json['type'] != 'Upgrade': outbox_name = 'outbox' # if this is a blog post or an event then save to its own box if message_json['type'] == 'Create': if has_object_dict(message_json): if message_json['object'].get('type'): if message_json['object']['type'] == 'Article': outbox_name = 'tlblogs' saved_filename = \ save_post_to_box(base_dir, http_prefix, post_id, post_to_nickname, domain_full, message_json, outbox_name) if not saved_filename: print('WARN: post not saved to outbox ' + outbox_name) return False # save all instance blogs to the news actor if post_to_nickname != 'news' and outbox_name == 'tlblogs': if '/' in saved_filename: if is_featured_writer(base_dir, post_to_nickname, domain): saved_post_id = saved_filename.split('/')[-1] blogs_dir = \ base_dir + '/accounts/news@' + domain + '/tlblogs' if not os.path.isdir(blogs_dir): os.mkdir(blogs_dir) copyfile(saved_filename, blogs_dir + '/' + saved_post_id) inbox_update_index('tlblogs', base_dir, 'news@' + domain, saved_filename, debug) # clear the citations file if it exists citations_filename = \ base_dir + '/accounts/' + \ post_to_nickname + '@' + domain + '/.citations.txt' if os.path.isfile(citations_filename): try: os.remove(citations_filename) except OSError: print('EX: post_message_to_outbox unable to delete ' + citations_filename) # The following activity types get added to the index files indexed_activities = ( 'Create', 'Question', 'Note', 'EncryptedMessage', 'Article', 'Patch', 'Announce', 'ChatMessage' ) if message_json['type'] in indexed_activities: indexes = [outbox_name, "inbox"] self_actor = \ local_actor_url(http_prefix, post_to_nickname, domain_full) for box_name_index in indexes: if not box_name_index: continue # should this also go to the media timeline? if box_name_index == 'inbox': if is_image_media(session, base_dir, http_prefix, post_to_nickname, domain, message_json, translate, yt_replace_domain, twitter_replacement_domain, allow_local_network_access, recent_posts_cache, debug, system_language, domain_full, person_cache, signing_priv_key_pem, bold_reading): inbox_update_index('tlmedia', base_dir, post_to_nickname + '@' + domain, saved_filename, debug) if box_name_index == 'inbox' and outbox_name == 'tlblogs': continue # avoid duplicates of the message if already going # back to the inbox of the same account if self_actor not in message_json['to']: # show sent post within the inbox, # as is the typical convention inbox_update_index(box_name_index, base_dir, post_to_nickname + '@' + domain, saved_filename, debug) # regenerate the html use_cache_only = False page_number = 1 show_individual_post_icons = True manually_approve_followers = \ follower_approval_active(base_dir, post_to_nickname, domain) timezone = \ get_account_timezone(base_dir, post_to_nickname, domain) mitm = False if os.path.isfile(saved_filename.replace('.json', '') + '.mitm'): mitm = True individual_post_as_html(signing_priv_key_pem, False, recent_posts_cache, max_recent_posts, translate, page_number, base_dir, session, cached_webfingers, person_cache, post_to_nickname, domain, port, message_json, None, True, allow_deletion, http_prefix, __version__, box_name_index, yt_replace_domain, twitter_replacement_domain, show_published_date_only, peertube_instances, allow_local_network_access, theme, system_language, max_like_count, box_name_index != 'dm', show_individual_post_icons, manually_approve_followers, False, True, use_cache_only, cw_lists, lists_enabled, timezone, mitm, bold_reading) if outbox_announce(recent_posts_cache, base_dir, message_json, debug): if debug: print('DEBUG: Updated announcements (shares) collection ' + 'for the post associated with the Announce activity') if debug: print('DEBUG: sending c2s post to followers') # remove inactive threads inactive_follower_threads = [] for thr in followers_threads: if not thr.is_alive(): inactive_follower_threads.append(thr) for thr in inactive_follower_threads: followers_threads.remove(thr) if debug: print('DEBUG: ' + str(len(followers_threads)) + ' followers threads active') # retain up to 200 threads if len(followers_threads) > 200: # kill the thread if it is still alive if followers_threads[0].is_alive(): followers_threads[0].kill() # remove it from the list followers_threads.pop(0) # create a thread to send the post to followers followers_thread = \ send_to_followers_thread(server, server.session, server.session_onion, server.session_i2p, base_dir, post_to_nickname, domain, onion_domain, i2p_domain, port, http_prefix, federation_list, send_threads, post_log, cached_webfingers, person_cache, message_json, debug, version, shared_items_federated_domains, shared_item_federation_tokens, signing_priv_key_pem) followers_threads.append(followers_thread) if debug: print('DEBUG: handle any unfollow requests') outbox_undo_follow(base_dir, message_json, debug) if debug: print('DEBUG: handle skills changes requests') outbox_skills(base_dir, post_to_nickname, message_json, debug) if debug: print('DEBUG: handle availability changes requests') outbox_availability(base_dir, post_to_nickname, message_json, debug) if debug: print('DEBUG: handle any like requests') outbox_like(recent_posts_cache, base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: handle any undo like requests') outbox_undo_like(recent_posts_cache, base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: handle any emoji reaction requests') outbox_reaction(recent_posts_cache, base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: handle any undo emoji reaction requests') outbox_undo_reaction(recent_posts_cache, base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: handle any undo announce requests') outbox_undo_announce(recent_posts_cache, base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: handle any bookmark requests') outbox_bookmark(recent_posts_cache, base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: handle any undo bookmark requests') outbox_undo_bookmark(recent_posts_cache, base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: handle delete requests') outbox_delete(base_dir, http_prefix, post_to_nickname, domain, message_json, debug, allow_deletion, recent_posts_cache) if debug: print('DEBUG: handle block requests') outbox_block(base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: handle undo block requests') outbox_undo_block(base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: handle mute requests') outbox_mute(base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug, recent_posts_cache) if debug: print('DEBUG: handle undo mute requests') outbox_undo_mute(base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug, recent_posts_cache) if debug: print('DEBUG: handle share uploads') outbox_share_upload(base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug, city, system_language, translate, low_bandwidth, content_license_url) if debug: print('DEBUG: handle undo share uploads') outbox_undo_share_upload(base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: handle actor updates from c2s') _person_receive_update_outbox(recent_posts_cache, base_dir, http_prefix, post_to_nickname, domain, port, message_json, debug) if debug: print('DEBUG: sending c2s post to named addresses') if message_json.get('to'): print('c2s sender: ' + post_to_nickname + '@' + domain + ':' + str(port) + ' recipient: ' + str(message_json['to'])) else: print('c2s sender: ' + post_to_nickname + '@' + domain + ':' + str(port)) named_addresses_thread = \ send_to_named_addresses_thread(server, server.session, server.session_onion, server.session_i2p, base_dir, post_to_nickname, domain, onion_domain, i2p_domain, port, http_prefix, federation_list, send_threads, post_log, cached_webfingers, person_cache, message_json, debug, version, shared_items_federated_domains, shared_item_federation_tokens, signing_priv_key_pem, proxy_type) followers_threads.append(named_addresses_thread) return True