forked from indymedia/epicyon
477 lines
16 KiB
Python
477 lines
16 KiB
Python
__filename__ = "like.py"
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__author__ = "Bob Mottram"
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__license__ = "AGPL3+"
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__version__ = "1.1.0"
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__maintainer__ = "Bob Mottram"
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__email__ = "bob@freedombone.net"
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__status__ = "Production"
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from utils import urlPermitted
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from utils import getNicknameFromActor
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from utils import getDomainFromActor
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from utils import locatePost
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from utils import updateLikesCollection
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from utils import undoLikesCollectionEntry
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from posts import sendSignedJson
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from session import postJson
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from webfinger import webfingerHandle
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from auth import createBasicAuthHeader
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from posts import getPersonBox
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def likedByPerson(postJsonObject: {}, nickname: str, domain: str) -> bool:
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"""Returns True if the given post is liked by the given person
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"""
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if noOfLikes(postJsonObject) == 0:
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return False
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actorMatch = domain+'/users/'+nickname
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for item in postJsonObject['object']['likes']['items']:
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if item['actor'].endswith(actorMatch):
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return True
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return False
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def noOfLikes(postJsonObject: {}) -> int:
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"""Returns the number of likes ona given post
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"""
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if not postJsonObject.get('object'):
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return 0
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if not isinstance(postJsonObject['object'], dict):
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return 0
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if not postJsonObject['object'].get('likes'):
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return 0
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if not isinstance(postJsonObject['object']['likes'], dict):
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return 0
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if not postJsonObject['object']['likes'].get('items'):
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postJsonObject['object']['likes']['items'] = []
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postJsonObject['object']['likes']['totalItems'] = 0
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return len(postJsonObject['object']['likes']['items'])
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def like(recentPostsCache: {},
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session, baseDir: str, federationList: [],
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nickname: str, domain: str, port: int,
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ccList: [], httpPrefix: str,
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objectUrl: str, actorLiked: str,
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clientToServer: bool,
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sendThreads: [], postLog: [],
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personCache: {}, cachedWebfingers: {},
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debug: bool, projectVersion: str) -> {}:
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"""Creates a like
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actor is the person doing the liking
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'to' might be a specific person (actor) whose post was liked
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object is typically the url of the message which was liked
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"""
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if not urlPermitted(objectUrl, federationList, "inbox:write"):
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return None
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fullDomain = domain
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if port:
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if port != 80 and port != 443:
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if ':' not in domain:
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fullDomain = domain+':'+str(port)
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newLikeJson = {
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"@context": "https://www.w3.org/ns/activitystreams",
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'type': 'Like',
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'actor': httpPrefix + '://' + fullDomain + '/users/' + nickname,
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'object': objectUrl
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}
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if ccList:
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if len(ccList) > 0:
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newLikeJson['cc'] = ccList
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# Extract the domain and nickname from a statuses link
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likedPostNickname = None
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likedPostDomain = None
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likedPostPort = None
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if actorLiked:
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likedPostNickname = getNicknameFromActor(actorLiked)
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likedPostDomain, likedPostPort = getDomainFromActor(actorLiked)
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else:
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if '/users/' in objectUrl or \
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'/channel/' in objectUrl or \
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'/profile/' in objectUrl:
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likedPostNickname = getNicknameFromActor(objectUrl)
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likedPostDomain, likedPostPort = getDomainFromActor(objectUrl)
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if likedPostNickname:
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postFilename = locatePost(baseDir, nickname, domain, objectUrl)
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if not postFilename:
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print('DEBUG: like baseDir: ' + baseDir)
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print('DEBUG: like nickname: ' + nickname)
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print('DEBUG: like domain: ' + domain)
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print('DEBUG: like objectUrl: ' + objectUrl)
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return None
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updateLikesCollection(recentPostsCache,
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baseDir, postFilename, objectUrl,
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newLikeJson['actor'], domain, debug)
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sendSignedJson(newLikeJson, session, baseDir,
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nickname, domain, port,
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likedPostNickname, likedPostDomain, likedPostPort,
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'https://www.w3.org/ns/activitystreams#Public',
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httpPrefix, True, clientToServer, federationList,
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sendThreads, postLog, cachedWebfingers, personCache,
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debug, projectVersion)
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return newLikeJson
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def likePost(recentPostsCache: {},
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session, baseDir: str, federationList: [],
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nickname: str, domain: str, port: int, httpPrefix: str,
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likeNickname: str, likeDomain: str, likePort: int,
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ccList: [],
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likeStatusNumber: int, clientToServer: bool,
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sendThreads: [], postLog: [],
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personCache: {}, cachedWebfingers: {},
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debug: bool, projectVersion: str) -> {}:
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"""Likes a given status post. This is only used by unit tests
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"""
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likeDomain = likeDomain
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if likePort:
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if likePort != 80 and likePort != 443:
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if ':' not in likeDomain:
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likeDomain = likeDomain + ':' + str(likePort)
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actorLiked = httpPrefix + '://' + likeDomain + '/users/' + likeNickname
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objectUrl = actorLiked + '/statuses/' + str(likeStatusNumber)
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return like(recentPostsCache,
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session, baseDir, federationList, nickname, domain, port,
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ccList, httpPrefix, objectUrl, actorLiked, clientToServer,
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sendThreads, postLog, personCache, cachedWebfingers,
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debug, projectVersion)
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def undolike(recentPostsCache: {},
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session, baseDir: str, federationList: [],
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nickname: str, domain: str, port: int,
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ccList: [], httpPrefix: str,
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objectUrl: str, actorLiked: str,
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clientToServer: bool,
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sendThreads: [], postLog: [],
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personCache: {}, cachedWebfingers: {},
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debug: bool, projectVersion: str) -> {}:
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"""Removes a like
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actor is the person doing the liking
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'to' might be a specific person (actor) whose post was liked
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object is typically the url of the message which was liked
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"""
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if not urlPermitted(objectUrl, federationList, "inbox:write"):
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return None
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fullDomain = domain
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if port:
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if port != 80 and port != 443:
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if ':' not in domain:
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fullDomain = domain + ':' + str(port)
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newUndoLikeJson = {
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"@context": "https://www.w3.org/ns/activitystreams",
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'type': 'Undo',
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'actor': httpPrefix+'://'+fullDomain+'/users/'+nickname,
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'object': {
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'type': 'Like',
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'actor': httpPrefix + '://' + fullDomain + '/users/' + nickname,
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'object': objectUrl
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}
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}
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if ccList:
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if len(ccList) > 0:
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newUndoLikeJson['cc'] = ccList
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newUndoLikeJson['object']['cc'] = ccList
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# Extract the domain and nickname from a statuses link
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likedPostNickname = None
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likedPostDomain = None
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likedPostPort = None
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if actorLiked:
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likedPostNickname = getNicknameFromActor(actorLiked)
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likedPostDomain, likedPostPort = getDomainFromActor(actorLiked)
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else:
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if '/users/' in objectUrl or \
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'/channel/' in objectUrl or \
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'/profile/' in objectUrl:
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likedPostNickname = getNicknameFromActor(objectUrl)
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likedPostDomain, likedPostPort = getDomainFromActor(objectUrl)
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if likedPostNickname:
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postFilename = locatePost(baseDir, nickname, domain, objectUrl)
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if not postFilename:
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return None
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undoLikesCollectionEntry(baseDir, postFilename, objectUrl,
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newUndoLikeJson['actor'], domain, debug)
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sendSignedJson(newUndoLikeJson, session, baseDir,
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nickname, domain, port,
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likedPostNickname, likedPostDomain, likedPostPort,
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'https://www.w3.org/ns/activitystreams#Public',
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httpPrefix, True, clientToServer, federationList,
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sendThreads, postLog, cachedWebfingers, personCache,
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debug, projectVersion)
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else:
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return None
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return newUndoLikeJson
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def sendLikeViaServer(baseDir: str, session,
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fromNickname: str, password: str,
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fromDomain: str, fromPort: int,
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httpPrefix: str, likeUrl: str,
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cachedWebfingers: {}, personCache: {},
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debug: bool, projectVersion: str) -> {}:
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"""Creates a like via c2s
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"""
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if not session:
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print('WARN: No session for sendLikeViaServer')
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return 6
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fromDomainFull = fromDomain
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if fromPort:
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if fromPort != 80 and fromPort != 443:
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if ':' not in fromDomain:
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fromDomainFull = fromDomain + ':' + str(fromPort)
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actor = httpPrefix + '://' + fromDomainFull + '/users/' + fromNickname
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newLikeJson = {
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"@context": "https://www.w3.org/ns/activitystreams",
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'type': 'Like',
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'actor': actor,
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'object': likeUrl
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}
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handle = httpPrefix + '://' + fromDomainFull + '/@' + fromNickname
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# lookup the inbox for the To handle
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wfRequest = webfingerHandle(session, handle, httpPrefix,
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cachedWebfingers,
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fromDomain, projectVersion)
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if not wfRequest:
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if debug:
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print('DEBUG: announce webfinger failed for ' + handle)
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return 1
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if not isinstance(wfRequest, dict):
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print('WARN: Webfinger for ' + handle + ' did not return a dict. ' +
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str(wfRequest))
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return 1
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postToBox = 'outbox'
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# get the actor inbox for the To handle
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(inboxUrl, pubKeyId, pubKey, fromPersonId,
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sharedInbox, capabilityAcquisition,
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avatarUrl, displayName) = getPersonBox(baseDir, session, wfRequest,
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personCache,
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projectVersion, httpPrefix,
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fromNickname, fromDomain,
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postToBox)
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if not inboxUrl:
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if debug:
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print('DEBUG: No ' + postToBox + ' was found for ' + handle)
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return 3
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if not fromPersonId:
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if debug:
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print('DEBUG: No actor was found for ' + handle)
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return 4
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authHeader = createBasicAuthHeader(fromNickname, password)
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headers = {
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'host': fromDomain,
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'Content-type': 'application/json',
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'Authorization': authHeader
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}
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postResult = postJson(session, newLikeJson, [], inboxUrl,
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headers, "inbox:write")
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if not postResult:
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print('WARN: POST announce failed for c2s to ' + inboxUrl)
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return 5
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if debug:
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print('DEBUG: c2s POST like success')
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return newLikeJson
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def sendUndoLikeViaServer(baseDir: str, session,
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fromNickname: str, password: str,
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fromDomain: str, fromPort: int,
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httpPrefix: str, likeUrl: str,
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cachedWebfingers: {}, personCache: {},
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debug: bool, projectVersion: str) -> {}:
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"""Undo a like via c2s
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"""
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if not session:
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print('WARN: No session for sendUndoLikeViaServer')
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return 6
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fromDomainFull = fromDomain
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if fromPort:
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if fromPort != 80 and fromPort != 443:
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if ':' not in fromDomain:
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fromDomainFull = fromDomain + ':' + str(fromPort)
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actor = httpPrefix + '://' + fromDomainFull + '/users/' + fromNickname
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newUndoLikeJson = {
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"@context": "https://www.w3.org/ns/activitystreams",
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'type': 'Undo',
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'actor': actor,
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'object': {
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'type': 'Like',
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'actor': actor,
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'object': likeUrl
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}
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}
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handle = httpPrefix + '://' + fromDomainFull + '/@' + fromNickname
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# lookup the inbox for the To handle
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wfRequest = webfingerHandle(session, handle, httpPrefix,
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cachedWebfingers,
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fromDomain, projectVersion)
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if not wfRequest:
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if debug:
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print('DEBUG: announce webfinger failed for ' + handle)
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return 1
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if not isinstance(wfRequest, dict):
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print('WARN: Webfinger for ' + handle + ' did not return a dict. ' +
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str(wfRequest))
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return 1
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postToBox = 'outbox'
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# get the actor inbox for the To handle
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(inboxUrl, pubKeyId, pubKey, fromPersonId,
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sharedInbox, capabilityAcquisition,
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avatarUrl, displayName) = getPersonBox(baseDir, session, wfRequest,
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personCache, projectVersion,
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httpPrefix, fromNickname,
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fromDomain, postToBox)
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if not inboxUrl:
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if debug:
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print('DEBUG: No ' + postToBox + ' was found for ' + handle)
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return 3
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if not fromPersonId:
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if debug:
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print('DEBUG: No actor was found for ' + handle)
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return 4
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authHeader = createBasicAuthHeader(fromNickname, password)
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headers = {
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'host': fromDomain,
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'Content-type': 'application/json',
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'Authorization': authHeader
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}
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postResult = postJson(session, newUndoLikeJson, [], inboxUrl,
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headers, "inbox:write")
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if not postResult:
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print('WARN: POST announce failed for c2s to ' + inboxUrl)
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return 5
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if debug:
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print('DEBUG: c2s POST undo like success')
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return newUndoLikeJson
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def outboxLike(recentPostsCache: {},
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baseDir: str, httpPrefix: str,
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nickname: str, domain: str, port: int,
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messageJson: {}, debug: bool) -> None:
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""" When a like request is received by the outbox from c2s
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"""
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if not messageJson.get('type'):
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if debug:
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print('DEBUG: like - no type')
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return
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if not messageJson['type'] == 'Like':
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if debug:
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print('DEBUG: not a like')
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return
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if not messageJson.get('object'):
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if debug:
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print('DEBUG: no object in like')
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return
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if not isinstance(messageJson['object'], str):
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if debug:
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print('DEBUG: like object is not string')
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return
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if debug:
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print('DEBUG: c2s like request arrived in outbox')
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messageId = messageJson['object'].replace('/activity', '')
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if ':' in domain:
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domain = domain.split(':')[0]
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postFilename = locatePost(baseDir, nickname, domain, messageId)
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if not postFilename:
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if debug:
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print('DEBUG: c2s like post not found in inbox or outbox')
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print(messageId)
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return True
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updateLikesCollection(recentPostsCache,
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baseDir, postFilename, messageId,
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messageJson['actor'], domain, debug)
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if debug:
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print('DEBUG: post liked via c2s - ' + postFilename)
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def outboxUndoLike(recentPostsCache: {},
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baseDir: str, httpPrefix: str,
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nickname: str, domain: str, port: int,
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messageJson: {}, debug: bool) -> None:
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""" When an undo like request is received by the outbox from c2s
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"""
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if not messageJson.get('type'):
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return
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if not messageJson['type'] == 'Undo':
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return
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if not messageJson.get('object'):
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return
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if not isinstance(messageJson['object'], dict):
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if debug:
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print('DEBUG: undo like object is not dict')
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return
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if not messageJson['object'].get('type'):
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if debug:
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print('DEBUG: undo like - no type')
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return
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if not messageJson['object']['type'] == 'Like':
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if debug:
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print('DEBUG: not a undo like')
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return
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if not messageJson['object'].get('object'):
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if debug:
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print('DEBUG: no object in undo like')
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return
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if not isinstance(messageJson['object']['object'], str):
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if debug:
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print('DEBUG: undo like object is not string')
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return
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if debug:
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print('DEBUG: c2s undo like request arrived in outbox')
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messageId = messageJson['object']['object'].replace('/activity', '')
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if ':' in domain:
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domain = domain.split(':')[0]
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postFilename = locatePost(baseDir, nickname, domain, messageId)
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if not postFilename:
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if debug:
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print('DEBUG: c2s undo like post not found in inbox or outbox')
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print(messageId)
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return True
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undoLikesCollectionEntry(recentPostsCache, baseDir, postFilename,
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messageId, messageJson['actor'],
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domain, debug)
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if debug:
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print('DEBUG: post undo liked via c2s - '+postFilename)
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