mirror of https://gitlab.com/bashrc2/epicyon
478 lines
17 KiB
Python
478 lines
17 KiB
Python
__filename__ = "like.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 pprint import pprint
|
|
from utils import hasObjectString
|
|
from utils import hasObjectStringObject
|
|
from utils import hasObjectStringType
|
|
from utils import removeDomainPort
|
|
from utils import has_object_dict
|
|
from utils import hasUsersPath
|
|
from utils import getFullDomain
|
|
from utils import removeIdEnding
|
|
from utils import urlPermitted
|
|
from utils import getNicknameFromActor
|
|
from utils import getDomainFromActor
|
|
from utils import locatePost
|
|
from utils import undoLikesCollectionEntry
|
|
from utils import hasGroupType
|
|
from utils import local_actor_url
|
|
from utils import loadJson
|
|
from utils import saveJson
|
|
from utils import removePostFromCache
|
|
from utils import getCachedPostFilename
|
|
from posts import sendSignedJson
|
|
from session import postJson
|
|
from webfinger import webfingerHandle
|
|
from auth import createBasicAuthHeader
|
|
from posts import getPersonBox
|
|
|
|
|
|
def noOfLikes(post_json_object: {}) -> int:
|
|
"""Returns the number of likes ona given post
|
|
"""
|
|
obj = post_json_object
|
|
if has_object_dict(post_json_object):
|
|
obj = post_json_object['object']
|
|
if not obj.get('likes'):
|
|
return 0
|
|
if not isinstance(obj['likes'], dict):
|
|
return 0
|
|
if not obj['likes'].get('items'):
|
|
obj['likes']['items'] = []
|
|
obj['likes']['totalItems'] = 0
|
|
return len(obj['likes']['items'])
|
|
|
|
|
|
def likedByPerson(post_json_object: {}, nickname: str, domain: str) -> bool:
|
|
"""Returns True if the given post is liked by the given person
|
|
"""
|
|
if noOfLikes(post_json_object) == 0:
|
|
return False
|
|
actorMatch = domain + '/users/' + nickname
|
|
|
|
obj = post_json_object
|
|
if has_object_dict(post_json_object):
|
|
obj = post_json_object['object']
|
|
|
|
for item in obj['likes']['items']:
|
|
if item['actor'].endswith(actorMatch):
|
|
return True
|
|
return False
|
|
|
|
|
|
def _like(recentPostsCache: {},
|
|
session, base_dir: str, federation_list: [],
|
|
nickname: str, domain: str, port: int,
|
|
ccList: [], http_prefix: str,
|
|
objectUrl: str, actorLiked: str,
|
|
client_to_server: bool,
|
|
send_threads: [], postLog: [],
|
|
person_cache: {}, cached_webfingers: {},
|
|
debug: bool, project_version: str,
|
|
signing_priv_key_pem: str) -> {}:
|
|
"""Creates a like
|
|
actor is the person doing the liking
|
|
'to' might be a specific person (actor) whose post was liked
|
|
object is typically the url of the message which was liked
|
|
"""
|
|
if not urlPermitted(objectUrl, federation_list):
|
|
return None
|
|
|
|
fullDomain = getFullDomain(domain, port)
|
|
|
|
newLikeJson = {
|
|
"@context": "https://www.w3.org/ns/activitystreams",
|
|
'type': 'Like',
|
|
'actor': local_actor_url(http_prefix, nickname, fullDomain),
|
|
'object': objectUrl
|
|
}
|
|
if ccList:
|
|
if len(ccList) > 0:
|
|
newLikeJson['cc'] = ccList
|
|
|
|
# Extract the domain and nickname from a statuses link
|
|
likedPostNickname = None
|
|
likedPostDomain = None
|
|
likedPostPort = None
|
|
group_account = False
|
|
if actorLiked:
|
|
likedPostNickname = getNicknameFromActor(actorLiked)
|
|
likedPostDomain, likedPostPort = getDomainFromActor(actorLiked)
|
|
group_account = hasGroupType(base_dir, actorLiked, person_cache)
|
|
else:
|
|
if hasUsersPath(objectUrl):
|
|
likedPostNickname = getNicknameFromActor(objectUrl)
|
|
likedPostDomain, likedPostPort = getDomainFromActor(objectUrl)
|
|
if '/' + str(likedPostNickname) + '/' in objectUrl:
|
|
actorLiked = \
|
|
objectUrl.split('/' + likedPostNickname + '/')[0] + \
|
|
'/' + likedPostNickname
|
|
group_account = \
|
|
hasGroupType(base_dir, actorLiked, person_cache)
|
|
|
|
if likedPostNickname:
|
|
postFilename = locatePost(base_dir, nickname, domain, objectUrl)
|
|
if not postFilename:
|
|
print('DEBUG: like base_dir: ' + base_dir)
|
|
print('DEBUG: like nickname: ' + nickname)
|
|
print('DEBUG: like domain: ' + domain)
|
|
print('DEBUG: like objectUrl: ' + objectUrl)
|
|
return None
|
|
|
|
updateLikesCollection(recentPostsCache,
|
|
base_dir, postFilename, objectUrl,
|
|
newLikeJson['actor'],
|
|
nickname, domain, debug, None)
|
|
|
|
sendSignedJson(newLikeJson, session, base_dir,
|
|
nickname, domain, port,
|
|
likedPostNickname, likedPostDomain, likedPostPort,
|
|
'https://www.w3.org/ns/activitystreams#Public',
|
|
http_prefix, True, client_to_server, federation_list,
|
|
send_threads, postLog, cached_webfingers, person_cache,
|
|
debug, project_version, None, group_account,
|
|
signing_priv_key_pem, 7367374)
|
|
|
|
return newLikeJson
|
|
|
|
|
|
def likePost(recentPostsCache: {},
|
|
session, base_dir: str, federation_list: [],
|
|
nickname: str, domain: str, port: int, http_prefix: str,
|
|
likeNickname: str, likeDomain: str, likePort: int,
|
|
ccList: [],
|
|
likeStatusNumber: int, client_to_server: bool,
|
|
send_threads: [], postLog: [],
|
|
person_cache: {}, cached_webfingers: {},
|
|
debug: bool, project_version: str,
|
|
signing_priv_key_pem: str) -> {}:
|
|
"""Likes a given status post. This is only used by unit tests
|
|
"""
|
|
likeDomain = getFullDomain(likeDomain, likePort)
|
|
|
|
actorLiked = local_actor_url(http_prefix, likeNickname, likeDomain)
|
|
objectUrl = actorLiked + '/statuses/' + str(likeStatusNumber)
|
|
|
|
return _like(recentPostsCache,
|
|
session, base_dir, federation_list, nickname, domain, port,
|
|
ccList, http_prefix, objectUrl, actorLiked, client_to_server,
|
|
send_threads, postLog, person_cache, cached_webfingers,
|
|
debug, project_version, signing_priv_key_pem)
|
|
|
|
|
|
def sendLikeViaServer(base_dir: str, session,
|
|
fromNickname: str, password: str,
|
|
fromDomain: str, fromPort: int,
|
|
http_prefix: str, likeUrl: str,
|
|
cached_webfingers: {}, person_cache: {},
|
|
debug: bool, project_version: str,
|
|
signing_priv_key_pem: str) -> {}:
|
|
"""Creates a like via c2s
|
|
"""
|
|
if not session:
|
|
print('WARN: No session for sendLikeViaServer')
|
|
return 6
|
|
|
|
fromDomainFull = getFullDomain(fromDomain, fromPort)
|
|
|
|
actor = local_actor_url(http_prefix, fromNickname, fromDomainFull)
|
|
|
|
newLikeJson = {
|
|
"@context": "https://www.w3.org/ns/activitystreams",
|
|
'type': 'Like',
|
|
'actor': actor,
|
|
'object': likeUrl
|
|
}
|
|
|
|
handle = http_prefix + '://' + fromDomainFull + '/@' + fromNickname
|
|
|
|
# lookup the inbox for the To handle
|
|
wfRequest = webfingerHandle(session, handle, http_prefix,
|
|
cached_webfingers,
|
|
fromDomain, project_version, debug, False,
|
|
signing_priv_key_pem)
|
|
if not wfRequest:
|
|
if debug:
|
|
print('DEBUG: like webfinger failed for ' + handle)
|
|
return 1
|
|
if not isinstance(wfRequest, dict):
|
|
print('WARN: like 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, _) = getPersonBox(signing_priv_key_pem,
|
|
originDomain,
|
|
base_dir, session, wfRequest,
|
|
person_cache,
|
|
project_version, http_prefix,
|
|
fromNickname, fromDomain,
|
|
postToBox, 72873)
|
|
|
|
if not inboxUrl:
|
|
if debug:
|
|
print('DEBUG: like no ' + postToBox + ' was found for ' + handle)
|
|
return 3
|
|
if not fromPersonId:
|
|
if debug:
|
|
print('DEBUG: like no actor was found for ' + handle)
|
|
return 4
|
|
|
|
authHeader = createBasicAuthHeader(fromNickname, password)
|
|
|
|
headers = {
|
|
'host': fromDomain,
|
|
'Content-type': 'application/json',
|
|
'Authorization': authHeader
|
|
}
|
|
postResult = postJson(http_prefix, fromDomainFull,
|
|
session, newLikeJson, [], inboxUrl,
|
|
headers, 3, True)
|
|
if not postResult:
|
|
if debug:
|
|
print('WARN: POST like failed for c2s to ' + inboxUrl)
|
|
return 5
|
|
|
|
if debug:
|
|
print('DEBUG: c2s POST like success')
|
|
|
|
return newLikeJson
|
|
|
|
|
|
def sendUndoLikeViaServer(base_dir: str, session,
|
|
fromNickname: str, password: str,
|
|
fromDomain: str, fromPort: int,
|
|
http_prefix: str, likeUrl: str,
|
|
cached_webfingers: {}, person_cache: {},
|
|
debug: bool, project_version: str,
|
|
signing_priv_key_pem: str) -> {}:
|
|
"""Undo a like via c2s
|
|
"""
|
|
if not session:
|
|
print('WARN: No session for sendUndoLikeViaServer')
|
|
return 6
|
|
|
|
fromDomainFull = getFullDomain(fromDomain, fromPort)
|
|
|
|
actor = local_actor_url(http_prefix, fromNickname, fromDomainFull)
|
|
|
|
newUndoLikeJson = {
|
|
"@context": "https://www.w3.org/ns/activitystreams",
|
|
'type': 'Undo',
|
|
'actor': actor,
|
|
'object': {
|
|
'type': 'Like',
|
|
'actor': actor,
|
|
'object': likeUrl
|
|
}
|
|
}
|
|
|
|
handle = http_prefix + '://' + fromDomainFull + '/@' + fromNickname
|
|
|
|
# lookup the inbox for the To handle
|
|
wfRequest = webfingerHandle(session, handle, http_prefix,
|
|
cached_webfingers,
|
|
fromDomain, project_version, debug, False,
|
|
signing_priv_key_pem)
|
|
if not wfRequest:
|
|
if debug:
|
|
print('DEBUG: unlike webfinger failed for ' + handle)
|
|
return 1
|
|
if not isinstance(wfRequest, dict):
|
|
if debug:
|
|
print('WARN: unlike 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, _) = getPersonBox(signing_priv_key_pem,
|
|
originDomain,
|
|
base_dir, session, wfRequest,
|
|
person_cache, project_version,
|
|
http_prefix, fromNickname,
|
|
fromDomain, postToBox,
|
|
72625)
|
|
|
|
if not inboxUrl:
|
|
if debug:
|
|
print('DEBUG: unlike no ' + postToBox + ' was found for ' + handle)
|
|
return 3
|
|
if not fromPersonId:
|
|
if debug:
|
|
print('DEBUG: unlike no actor was found for ' + handle)
|
|
return 4
|
|
|
|
authHeader = createBasicAuthHeader(fromNickname, password)
|
|
|
|
headers = {
|
|
'host': fromDomain,
|
|
'Content-type': 'application/json',
|
|
'Authorization': authHeader
|
|
}
|
|
postResult = postJson(http_prefix, fromDomainFull,
|
|
session, newUndoLikeJson, [], inboxUrl,
|
|
headers, 3, True)
|
|
if not postResult:
|
|
if debug:
|
|
print('WARN: POST unlike failed for c2s to ' + inboxUrl)
|
|
return 5
|
|
|
|
if debug:
|
|
print('DEBUG: c2s POST unlike success')
|
|
|
|
return newUndoLikeJson
|
|
|
|
|
|
def outboxLike(recentPostsCache: {},
|
|
base_dir: str, http_prefix: str,
|
|
nickname: str, domain: str, port: int,
|
|
message_json: {}, debug: bool) -> None:
|
|
""" When a like request is received by the outbox from c2s
|
|
"""
|
|
if not message_json.get('type'):
|
|
if debug:
|
|
print('DEBUG: like - no type')
|
|
return
|
|
if not message_json['type'] == 'Like':
|
|
if debug:
|
|
print('DEBUG: not a like')
|
|
return
|
|
if not hasObjectString(message_json, debug):
|
|
return
|
|
if debug:
|
|
print('DEBUG: c2s like request arrived in outbox')
|
|
|
|
messageId = removeIdEnding(message_json['object'])
|
|
domain = removeDomainPort(domain)
|
|
postFilename = locatePost(base_dir, nickname, domain, messageId)
|
|
if not postFilename:
|
|
if debug:
|
|
print('DEBUG: c2s like post not found in inbox or outbox')
|
|
print(messageId)
|
|
return True
|
|
updateLikesCollection(recentPostsCache,
|
|
base_dir, postFilename, messageId,
|
|
message_json['actor'],
|
|
nickname, domain, debug, None)
|
|
if debug:
|
|
print('DEBUG: post liked via c2s - ' + postFilename)
|
|
|
|
|
|
def outboxUndoLike(recentPostsCache: {},
|
|
base_dir: str, http_prefix: str,
|
|
nickname: str, domain: str, port: int,
|
|
message_json: {}, debug: bool) -> None:
|
|
""" When an undo like request is received by the outbox from c2s
|
|
"""
|
|
if not message_json.get('type'):
|
|
return
|
|
if not message_json['type'] == 'Undo':
|
|
return
|
|
if not hasObjectStringType(message_json, debug):
|
|
return
|
|
if not message_json['object']['type'] == 'Like':
|
|
if debug:
|
|
print('DEBUG: not a undo like')
|
|
return
|
|
if not hasObjectStringObject(message_json, debug):
|
|
return
|
|
if debug:
|
|
print('DEBUG: c2s undo like request arrived in outbox')
|
|
|
|
messageId = removeIdEnding(message_json['object']['object'])
|
|
domain = removeDomainPort(domain)
|
|
postFilename = locatePost(base_dir, nickname, domain, messageId)
|
|
if not postFilename:
|
|
if debug:
|
|
print('DEBUG: c2s undo like post not found in inbox or outbox')
|
|
print(messageId)
|
|
return True
|
|
undoLikesCollectionEntry(recentPostsCache, base_dir, postFilename,
|
|
messageId, message_json['actor'],
|
|
domain, debug, None)
|
|
if debug:
|
|
print('DEBUG: post undo liked via c2s - ' + postFilename)
|
|
|
|
|
|
def updateLikesCollection(recentPostsCache: {},
|
|
base_dir: str, postFilename: str,
|
|
objectUrl: str, actor: str,
|
|
nickname: str, domain: str, debug: bool,
|
|
post_json_object: {}) -> None:
|
|
"""Updates the likes collection within a post
|
|
"""
|
|
if not post_json_object:
|
|
post_json_object = loadJson(postFilename)
|
|
if not post_json_object:
|
|
return
|
|
|
|
# remove any cached version of this post so that the
|
|
# like icon is changed
|
|
removePostFromCache(post_json_object, recentPostsCache)
|
|
cachedPostFilename = getCachedPostFilename(base_dir, nickname,
|
|
domain, post_json_object)
|
|
if cachedPostFilename:
|
|
if os.path.isfile(cachedPostFilename):
|
|
try:
|
|
os.remove(cachedPostFilename)
|
|
except OSError:
|
|
print('EX: updateLikesCollection unable to delete ' +
|
|
cachedPostFilename)
|
|
|
|
obj = post_json_object
|
|
if has_object_dict(post_json_object):
|
|
obj = post_json_object['object']
|
|
|
|
if not objectUrl.endswith('/likes'):
|
|
objectUrl = objectUrl + '/likes'
|
|
if not obj.get('likes'):
|
|
if debug:
|
|
print('DEBUG: Adding initial like to ' + objectUrl)
|
|
likesJson = {
|
|
"@context": "https://www.w3.org/ns/activitystreams",
|
|
'id': objectUrl,
|
|
'type': 'Collection',
|
|
"totalItems": 1,
|
|
'items': [{
|
|
'type': 'Like',
|
|
'actor': actor
|
|
}]
|
|
}
|
|
obj['likes'] = likesJson
|
|
else:
|
|
if not obj['likes'].get('items'):
|
|
obj['likes']['items'] = []
|
|
for likeItem in obj['likes']['items']:
|
|
if likeItem.get('actor'):
|
|
if likeItem['actor'] == actor:
|
|
# already liked
|
|
return
|
|
newLike = {
|
|
'type': 'Like',
|
|
'actor': actor
|
|
}
|
|
obj['likes']['items'].append(newLike)
|
|
itlen = len(obj['likes']['items'])
|
|
obj['likes']['totalItems'] = itlen
|
|
|
|
if debug:
|
|
print('DEBUG: saving post with likes added')
|
|
pprint(post_json_object)
|
|
saveJson(post_json_object, postFilename)
|