forked from indymedia/epicyon
426 lines
16 KiB
Python
426 lines
16 KiB
Python
__filename__ = "announce.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 getStatusNumber
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from utils import createOutboxDir
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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 saveJson
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from utils import undoAnnounceCollectionEntry
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from utils import updateAnnounceCollection
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from posts import sendSignedJson
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from posts import getPersonBox
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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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def outboxAnnounce(recentPostsCache: {},
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baseDir: str, messageJson: {}, debug: bool) -> bool:
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""" Adds or removes announce entries from the shares collection
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within a given post
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"""
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if not messageJson.get('actor'):
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return False
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if not messageJson.get('type'):
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return False
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if not messageJson.get('object'):
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return False
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if messageJson['type'] == 'Announce':
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if not isinstance(messageJson['object'], str):
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return False
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nickname = getNicknameFromActor(messageJson['actor'])
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if not nickname:
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print('WARN: no nickname found in '+messageJson['actor'])
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return False
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domain, port = getDomainFromActor(messageJson['actor'])
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postFilename = locatePost(baseDir, nickname, domain,
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messageJson['object'])
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if postFilename:
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updateAnnounceCollection(recentPostsCache, baseDir, postFilename,
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messageJson['actor'], domain, debug)
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return True
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if messageJson['type'] == 'Undo':
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if not isinstance(messageJson['object'], dict):
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return False
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if not messageJson['object'].get('type'):
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return False
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if messageJson['object']['type'] == 'Announce':
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if not isinstance(messageJson['object']['object'], str):
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return False
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nickname = getNicknameFromActor(messageJson['actor'])
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if not nickname:
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print('WARN: no nickname found in ' + messageJson['actor'])
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return False
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domain, port = getDomainFromActor(messageJson['actor'])
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postFilename = locatePost(baseDir, nickname, domain,
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messageJson['object']['object'])
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if postFilename:
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undoAnnounceCollectionEntry(recentPostsCache,
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baseDir, postFilename,
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messageJson['actor'],
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domain, debug)
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return True
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return False
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def announcedByPerson(postJsonObject: {}, nickname: str, domain: str) -> bool:
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"""Returns True if the given post is announced by the given person
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"""
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if not postJsonObject.get('object'):
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return False
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if not isinstance(postJsonObject['object'], dict):
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return False
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# not to be confused with shared items
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if not postJsonObject['object'].get('shares'):
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return False
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if not isinstance(postJsonObject['object']['shares'], dict):
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return False
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if not postJsonObject['object']['shares'].get('items'):
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return False
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if not isinstance(postJsonObject['object']['shares']['items'], list):
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return False
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actorMatch = domain + '/users/' + nickname
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for item in postJsonObject['object']['shares']['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 createAnnounce(session, baseDir: str, federationList: [],
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nickname: str, domain: str, port: int,
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toUrl: str, ccUrl: str, httpPrefix: str,
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objectUrl: str, saveToFile: bool,
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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 an announce message
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Typically toUrl will be https://www.w3.org/ns/activitystreams#Public
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and ccUrl might be a specific person favorited or repeated and the
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followers url objectUrl is typically the url of the message,
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corresponding to url or atomUri in createPostBase
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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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if ':' in domain:
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domain = domain.split(':')[0]
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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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statusNumber, published = getStatusNumber()
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newAnnounceId = httpPrefix + '://' + fullDomain + \
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'/users/' + nickname + '/statuses/' + statusNumber
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atomUriStr = httpPrefix + '://' + fullDomain + '/users/' + nickname + \
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'/statuses/' + statusNumber
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newAnnounce = {
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"@context": "https://www.w3.org/ns/activitystreams",
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'actor': httpPrefix+'://'+fullDomain+'/users/'+nickname,
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'atomUri': atomUriStr,
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'cc': [],
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'id': newAnnounceId + '/activity',
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'object': objectUrl,
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'published': published,
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'to': [toUrl],
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'type': 'Announce'
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}
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if ccUrl:
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if len(ccUrl) > 0:
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newAnnounce['cc'] = [ccUrl]
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if saveToFile:
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outboxDir = createOutboxDir(nickname, domain, baseDir)
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filename = outboxDir + '/' + newAnnounceId.replace('/', '#') + '.json'
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saveJson(newAnnounce, filename)
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announceNickname = None
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announceDomain = None
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announcePort = None
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if '/users/' in objectUrl or \
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'/accounts/' in objectUrl or \
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'/channel/' in objectUrl or \
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'/profile/' in objectUrl:
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announceNickname = getNicknameFromActor(objectUrl)
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announceDomain, announcePort = getDomainFromActor(objectUrl)
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if announceNickname and announceDomain:
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sendSignedJson(newAnnounce, session, baseDir,
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nickname, domain, port,
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announceNickname, announceDomain, announcePort, None,
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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 newAnnounce
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def announcePublic(session, baseDir: str, federationList: [],
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nickname: str, domain: str, port: int, httpPrefix: str,
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objectUrl: str, 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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"""Makes a public announcement
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"""
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fromDomain = 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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fromDomain = domain + ':' + str(port)
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toUrl = 'https://www.w3.org/ns/activitystreams#Public'
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ccUrl = httpPrefix + '://' + fromDomain + '/users/' + nickname + \
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'/followers'
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return createAnnounce(session, baseDir, federationList,
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nickname, domain, port,
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toUrl, ccUrl, httpPrefix,
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objectUrl, True, clientToServer,
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sendThreads, postLog,
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personCache, cachedWebfingers,
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debug, projectVersion)
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def repeatPost(session, baseDir: str, federationList: [],
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nickname: str, domain: str, port: int, httpPrefix: str,
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announceNickname: str, announceDomain: str,
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announcePort: int, announceHttpsPrefix: str,
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announceStatusNumber: 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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"""Repeats a given status post
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"""
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announcedDomain = announceDomain
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if announcePort:
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if announcePort != 80 and announcePort != 443:
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if ':' not in announcedDomain:
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announcedDomain = announcedDomain + ':' + str(announcePort)
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objectUrl = announceHttpsPrefix + '://' + announcedDomain + '/users/' + \
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announceNickname + '/statuses/' + str(announceStatusNumber)
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return announcePublic(session, baseDir, federationList,
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nickname, domain, port, httpPrefix,
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objectUrl, clientToServer,
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sendThreads, postLog,
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personCache, cachedWebfingers,
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debug, projectVersion)
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def undoAnnounce(session, baseDir: str, federationList: [],
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nickname: str, domain: str, port: int,
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toUrl: str, ccUrl: str, httpPrefix: str,
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objectUrl: str, saveToFile: bool,
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clientToServer: bool,
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sendThreads: [], postLog: [],
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personCache: {}, cachedWebfingers: {},
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debug: bool) -> {}:
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"""Undoes an announce message
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Typically toUrl will be https://www.w3.org/ns/activitystreams#Public
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and ccUrl might be a specific person whose post was repeated and the
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objectUrl is typically the url of the message which was repeated,
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corresponding to url or atomUri in createPostBase
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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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if ':' in domain:
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domain = domain.split(':')[0]
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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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newUndoAnnounce = {
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"@context": "https://www.w3.org/ns/activitystreams",
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'actor': httpPrefix+'://'+fullDomain+'/users/'+nickname,
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'type': 'Undo',
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'cc': [],
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'to': [toUrl],
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'object': {
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'actor': httpPrefix+'://'+fullDomain+'/users/'+nickname,
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'cc': [],
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'object': objectUrl,
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'to': [toUrl],
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'type': 'Announce'
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}
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}
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if ccUrl:
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if len(ccUrl) > 0:
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newUndoAnnounce['object']['cc'] = [ccUrl]
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announceNickname = None
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announceDomain = None
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announcePort = None
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if '/users/' in objectUrl or \
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'/accounts/' in objectUrl or \
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'/channel/' in objectUrl or \
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'/profile/' in objectUrl:
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announceNickname = getNicknameFromActor(objectUrl)
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announceDomain, announcePort = getDomainFromActor(objectUrl)
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if announceNickname and announceDomain:
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sendSignedJson(newUndoAnnounce, session, baseDir,
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nickname, domain, port,
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announceNickname, announceDomain, announcePort,
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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,
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personCache, debug)
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return newUndoAnnounce
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def undoAnnouncePublic(session, baseDir: str, federationList: [],
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nickname: str, domain: str, port: int, httpPrefix: str,
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objectUrl: str, clientToServer: bool,
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sendThreads: [], postLog: [],
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personCache: {}, cachedWebfingers: {},
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debug: bool) -> {}:
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"""Undoes a public announcement
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"""
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fromDomain = 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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fromDomain = domain + ':' + str(port)
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toUrl = 'https://www.w3.org/ns/activitystreams#Public'
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ccUrl = httpPrefix + '://' + fromDomain + '/users/' + nickname + \
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'/followers'
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return undoAnnounce(session, baseDir, federationList,
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nickname, domain, port,
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toUrl, ccUrl, httpPrefix,
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objectUrl, True, clientToServer,
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sendThreads, postLog,
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personCache, cachedWebfingers,
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debug)
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def undoRepeatPost(session, baseDir: str, federationList: [],
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nickname: str, domain: str, port: int, httpPrefix: str,
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announceNickname: str, announceDomain: str,
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announcePort: int, announceHttpsPrefix: str,
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announceStatusNumber: int, clientToServer: bool,
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sendThreads: [], postLog: [],
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personCache: {}, cachedWebfingers: {},
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debug: bool) -> {}:
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"""Undoes a status post repeat
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"""
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announcedDomain = announceDomain
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if announcePort:
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if announcePort != 80 and announcePort != 443:
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if ':' not in announcedDomain:
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announcedDomain = announcedDomain + ':' + str(announcePort)
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objectUrl = announceHttpsPrefix + '://' + announcedDomain + '/users/' + \
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announceNickname + '/statuses/' + str(announceStatusNumber)
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return undoAnnouncePublic(session, baseDir, federationList,
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nickname, domain, port, httpPrefix,
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objectUrl, clientToServer,
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sendThreads, postLog,
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personCache, cachedWebfingers,
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debug)
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def sendAnnounceViaServer(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, repeatObjectUrl: str,
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cachedWebfingers: {}, personCache: {},
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debug: bool, projectVersion: str) -> {}:
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"""Creates an announce message via c2s
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"""
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if not session:
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print('WARN: No session for sendAnnounceViaServer')
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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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toUrl = 'https://www.w3.org/ns/activitystreams#Public'
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ccUrl = httpPrefix + '://' + fromDomainFull + '/users/' + fromNickname + \
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'/followers'
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statusNumber, published = getStatusNumber()
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newAnnounceId = httpPrefix + '://' + fromDomainFull + '/users/' + \
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fromNickname + '/statuses/' + statusNumber
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newAnnounceJson = {
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"@context": "https://www.w3.org/ns/activitystreams",
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'actor': httpPrefix+'://'+fromDomainFull+'/users/'+fromNickname,
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'atomUri': newAnnounceId,
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'cc': [ccUrl],
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'id': newAnnounceId + '/activity',
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'object': repeatObjectUrl,
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'published': published,
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'to': [toUrl],
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'type': 'Announce'
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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, newAnnounceJson, [], inboxUrl,
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headers, "inbox:write")
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if not postResult:
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print('WARN: Announce not posted')
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if debug:
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print('DEBUG: c2s POST announce success')
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return newAnnounceJson
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