__filename__ = "delete.py" __author__ = "Bob Mottram" __license__ = "AGPL3+" __version__ = "1.2.0" __maintainer__ = "Bob Mottram" __email__ = "bob@libreserver.org" __status__ = "Production" __module_group__ = "ActivityPub" import os from datetime import datetime from utils import has_object_string from utils import remove_domain_port from utils import has_users_path from utils import get_full_domain from utils import remove_id_ending from utils import get_nickname_from_actor from utils import get_domain_from_actor from utils import locate_post from utils import delete_post from utils import remove_moderation_post_from_index from utils import local_actor_url from session import post_json from webfinger import webfinger_handle from auth import create_basic_auth_header from posts import get_person_box def send_delete_via_server(base_dir: str, session, fromNickname: str, password: str, fromDomain: str, fromPort: int, http_prefix: str, deleteObjectUrl: str, cached_webfingers: {}, person_cache: {}, debug: bool, project_version: str, signing_priv_key_pem: str) -> {}: """Creates a delete request message via c2s """ if not session: print('WARN: No session for send_delete_via_server') return 6 fromDomainFull = get_full_domain(fromDomain, fromPort) actor = local_actor_url(http_prefix, fromNickname, fromDomainFull) toUrl = 'https://www.w3.org/ns/activitystreams#Public' ccUrl = actor + '/followers' newDeleteJson = { "@context": "https://www.w3.org/ns/activitystreams", 'actor': actor, 'cc': [ccUrl], 'object': deleteObjectUrl, 'to': [toUrl], 'type': 'Delete' } handle = http_prefix + '://' + fromDomainFull + '/@' + fromNickname # lookup the inbox for the To handle wfRequest = \ webfinger_handle(session, handle, http_prefix, cached_webfingers, fromDomain, project_version, debug, False, signing_priv_key_pem) if not wfRequest: if debug: print('DEBUG: delete webfinger failed for ' + handle) return 1 if not isinstance(wfRequest, dict): print('WARN: delete webfinger for ' + handle + ' did not return a dict. ' + str(wfRequest)) return 1 postToBox = 'outbox' # get the actor inbox for the To handle originDomain = fromDomain (inboxUrl, pubKeyId, pubKey, fromPersonId, sharedInbox, avatarUrl, displayName, _) = get_person_box(signing_priv_key_pem, originDomain, base_dir, session, wfRequest, person_cache, project_version, http_prefix, fromNickname, fromDomain, postToBox, 53036) if not inboxUrl: if debug: print('DEBUG: delete no ' + postToBox + ' was found for ' + handle) return 3 if not fromPersonId: if debug: print('DEBUG: delete no actor was found for ' + handle) return 4 authHeader = create_basic_auth_header(fromNickname, password) headers = { 'host': fromDomain, 'Content-type': 'application/json', 'Authorization': authHeader } postResult = \ post_json(http_prefix, fromDomainFull, session, newDeleteJson, [], inboxUrl, headers, 3, True) if not postResult: if debug: print('DEBUG: POST delete failed for c2s to ' + inboxUrl) return 5 if debug: print('DEBUG: c2s POST delete request success') return newDeleteJson def outbox_delete(base_dir: str, http_prefix: str, nickname: str, domain: str, message_json: {}, debug: bool, allow_deletion: bool, recent_posts_cache: {}) -> None: """ When a delete request is received by the outbox from c2s """ if not message_json.get('type'): if debug: print('DEBUG: delete - no type') return if not message_json['type'] == 'Delete': if debug: print('DEBUG: not a delete') return if not has_object_string(message_json, debug): return if debug: print('DEBUG: c2s delete request arrived in outbox') deletePrefix = http_prefix + '://' + domain if (not allow_deletion and (not message_json['object'].startswith(deletePrefix) or not message_json['actor'].startswith(deletePrefix))): if debug: print('DEBUG: delete not permitted from other instances') return messageId = remove_id_ending(message_json['object']) if '/statuses/' not in messageId: if debug: print('DEBUG: c2s delete object is not a status') return if not has_users_path(messageId): if debug: print('DEBUG: c2s delete object has no nickname') return deleteNickname = get_nickname_from_actor(messageId) if deleteNickname != nickname: if debug: print("DEBUG: you can't delete a post which " + "wasn't created by you (nickname does not match)") return deleteDomain, deletePort = get_domain_from_actor(messageId) domain = remove_domain_port(domain) if deleteDomain != domain: if debug: print("DEBUG: you can't delete a post which " + "wasn't created by you (domain does not match)") return remove_moderation_post_from_index(base_dir, messageId, debug) post_filename = locate_post(base_dir, deleteNickname, deleteDomain, messageId) if not post_filename: if debug: print('DEBUG: c2s delete post not found in inbox or outbox') print(messageId) return True delete_post(base_dir, http_prefix, deleteNickname, deleteDomain, post_filename, debug, recent_posts_cache) if debug: print('DEBUG: post deleted via c2s - ' + post_filename) def remove_old_hashtags(base_dir: str, maxMonths: int) -> str: """Remove old hashtags """ if maxMonths > 11: maxMonths = 11 maxDaysSinceEpoch = \ (datetime.utcnow() - datetime(1970, 1 + maxMonths, 1)).days removeHashtags = [] for subdir, dirs, files in os.walk(base_dir + '/tags'): for f in files: tagsFilename = os.path.join(base_dir + '/tags', f) if not os.path.isfile(tagsFilename): continue # get last modified datetime modTimesinceEpoc = os.path.getmtime(tagsFilename) lastModifiedDate = datetime.fromtimestamp(modTimesinceEpoc) fileDaysSinceEpoch = (lastModifiedDate - datetime(1970, 1, 1)).days # check of the file is too old if fileDaysSinceEpoch < maxDaysSinceEpoch: removeHashtags.append(tagsFilename) break for removeFilename in removeHashtags: try: os.remove(removeFilename) except OSError: print('EX: remove_old_hashtags unable to delete ' + removeFilename)