epicyon/announce.py

268 lines
10 KiB
Python

__filename__ = "announce.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.2.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@freedombone.net"
__status__ = "Production"
from utils import hasUsersPath
from utils import getFullDomain
from utils import getStatusNumber
from utils import createOutboxDir
from utils import urlPermitted
from utils import getNicknameFromActor
from utils import getDomainFromActor
from utils import locatePost
from utils import saveJson
from utils import undoAnnounceCollectionEntry
from utils import updateAnnounceCollection
from posts import sendSignedJson
from posts import getPersonBox
from session import postJson
from webfinger import webfingerHandle
from auth import createBasicAuthHeader
def outboxAnnounce(recentPostsCache: {},
baseDir: str, messageJson: {}, debug: bool) -> bool:
""" Adds or removes announce entries from the shares collection
within a given post
"""
if not messageJson.get('actor'):
return False
if not messageJson.get('type'):
return False
if not messageJson.get('object'):
return False
if messageJson['type'] == 'Announce':
if not isinstance(messageJson['object'], str):
return False
nickname = getNicknameFromActor(messageJson['actor'])
if not nickname:
print('WARN: no nickname found in '+messageJson['actor'])
return False
domain, port = getDomainFromActor(messageJson['actor'])
postFilename = locatePost(baseDir, nickname, domain,
messageJson['object'])
if postFilename:
updateAnnounceCollection(recentPostsCache, baseDir, postFilename,
messageJson['actor'], domain, debug)
return True
if messageJson['type'] == 'Undo':
if not isinstance(messageJson['object'], dict):
return False
if not messageJson['object'].get('type'):
return False
if messageJson['object']['type'] == 'Announce':
if not isinstance(messageJson['object']['object'], str):
return False
nickname = getNicknameFromActor(messageJson['actor'])
if not nickname:
print('WARN: no nickname found in ' + messageJson['actor'])
return False
domain, port = getDomainFromActor(messageJson['actor'])
postFilename = locatePost(baseDir, nickname, domain,
messageJson['object']['object'])
if postFilename:
undoAnnounceCollectionEntry(recentPostsCache,
baseDir, postFilename,
messageJson['actor'],
domain, debug)
return True
return False
def announcedByPerson(postJsonObject: {}, nickname: str, domain: str) -> bool:
"""Returns True if the given post is announced by the given person
"""
if not postJsonObject.get('object'):
return False
if not isinstance(postJsonObject['object'], dict):
return False
# not to be confused with shared items
if not postJsonObject['object'].get('shares'):
return False
if not isinstance(postJsonObject['object']['shares'], dict):
return False
if not postJsonObject['object']['shares'].get('items'):
return False
if not isinstance(postJsonObject['object']['shares']['items'], list):
return False
actorMatch = domain + '/users/' + nickname
for item in postJsonObject['object']['shares']['items']:
if item['actor'].endswith(actorMatch):
return True
return False
def createAnnounce(session, baseDir: str, federationList: [],
nickname: str, domain: str, port: int,
toUrl: str, ccUrl: str, httpPrefix: str,
objectUrl: str, saveToFile: bool,
clientToServer: bool,
sendThreads: [], postLog: [],
personCache: {}, cachedWebfingers: {},
debug: bool, projectVersion: str) -> {}:
"""Creates an announce message
Typically toUrl will be https://www.w3.org/ns/activitystreams#Public
and ccUrl might be a specific person favorited or repeated and the
followers url objectUrl is typically the url of the message,
corresponding to url or atomUri in createPostBase
"""
if not urlPermitted(objectUrl, federationList):
return None
if ':' in domain:
domain = domain.split(':')[0]
fullDomain = getFullDomain(domain, port)
statusNumber, published = getStatusNumber()
newAnnounceId = httpPrefix + '://' + fullDomain + \
'/users/' + nickname + '/statuses/' + statusNumber
atomUriStr = httpPrefix + '://' + fullDomain + '/users/' + nickname + \
'/statuses/' + statusNumber
newAnnounce = {
"@context": "https://www.w3.org/ns/activitystreams",
'actor': httpPrefix+'://'+fullDomain+'/users/'+nickname,
'atomUri': atomUriStr,
'cc': [],
'id': newAnnounceId + '/activity',
'object': objectUrl,
'published': published,
'to': [toUrl],
'type': 'Announce'
}
if ccUrl:
if len(ccUrl) > 0:
newAnnounce['cc'] = [ccUrl]
if saveToFile:
outboxDir = createOutboxDir(nickname, domain, baseDir)
filename = outboxDir + '/' + newAnnounceId.replace('/', '#') + '.json'
saveJson(newAnnounce, filename)
announceNickname = None
announceDomain = None
announcePort = None
if hasUsersPath(objectUrl):
announceNickname = getNicknameFromActor(objectUrl)
announceDomain, announcePort = getDomainFromActor(objectUrl)
if announceNickname and announceDomain:
sendSignedJson(newAnnounce, session, baseDir,
nickname, domain, port,
announceNickname, announceDomain, announcePort, None,
httpPrefix, True, clientToServer, federationList,
sendThreads, postLog, cachedWebfingers, personCache,
debug, projectVersion)
return newAnnounce
def announcePublic(session, baseDir: str, federationList: [],
nickname: str, domain: str, port: int, httpPrefix: str,
objectUrl: str, clientToServer: bool,
sendThreads: [], postLog: [],
personCache: {}, cachedWebfingers: {},
debug: bool, projectVersion: str) -> {}:
"""Makes a public announcement
"""
fromDomain = getFullDomain(domain, port)
toUrl = 'https://www.w3.org/ns/activitystreams#Public'
ccUrl = httpPrefix + '://' + fromDomain + '/users/' + nickname + \
'/followers'
return createAnnounce(session, baseDir, federationList,
nickname, domain, port,
toUrl, ccUrl, httpPrefix,
objectUrl, True, clientToServer,
sendThreads, postLog,
personCache, cachedWebfingers,
debug, projectVersion)
def sendAnnounceViaServer(baseDir: str, session,
fromNickname: str, password: str,
fromDomain: str, fromPort: int,
httpPrefix: str, repeatObjectUrl: str,
cachedWebfingers: {}, personCache: {},
debug: bool, projectVersion: str) -> {}:
"""Creates an announce message via c2s
"""
if not session:
print('WARN: No session for sendAnnounceViaServer')
return 6
fromDomainFull = getFullDomain(fromDomain, fromPort)
toUrl = 'https://www.w3.org/ns/activitystreams#Public'
ccUrl = httpPrefix + '://' + fromDomainFull + '/users/' + fromNickname + \
'/followers'
statusNumber, published = getStatusNumber()
newAnnounceId = httpPrefix + '://' + fromDomainFull + '/users/' + \
fromNickname + '/statuses/' + statusNumber
newAnnounceJson = {
"@context": "https://www.w3.org/ns/activitystreams",
'actor': httpPrefix+'://'+fromDomainFull+'/users/'+fromNickname,
'atomUri': newAnnounceId,
'cc': [ccUrl],
'id': newAnnounceId + '/activity',
'object': repeatObjectUrl,
'published': published,
'to': [toUrl],
'type': 'Announce'
}
handle = httpPrefix + '://' + fromDomainFull + '/@' + fromNickname
# lookup the inbox for the To handle
wfRequest = webfingerHandle(session, handle, httpPrefix,
cachedWebfingers,
fromDomain, projectVersion)
if not wfRequest:
if debug:
print('DEBUG: announce webfinger failed for ' + handle)
return 1
if not isinstance(wfRequest, dict):
print('WARN: Webfinger for ' + handle + ' did not return a dict. ' +
str(wfRequest))
return 1
postToBox = 'outbox'
# get the actor inbox for the To handle
(inboxUrl, pubKeyId, pubKey, fromPersonId,
sharedInbox, avatarUrl,
displayName) = getPersonBox(baseDir, session, wfRequest,
personCache,
projectVersion, httpPrefix,
fromNickname, fromDomain,
postToBox, 73528)
if not inboxUrl:
if debug:
print('DEBUG: No ' + postToBox + ' was found for ' + handle)
return 3
if not fromPersonId:
if debug:
print('DEBUG: No actor was found for ' + handle)
return 4
authHeader = createBasicAuthHeader(fromNickname, password)
headers = {
'host': fromDomain,
'Content-type': 'application/json',
'Authorization': authHeader
}
postResult = postJson(session, newAnnounceJson, [], inboxUrl,
headers, 30, True)
if not postResult:
print('WARN: Announce not posted')
if debug:
print('DEBUG: c2s POST announce success')
return newAnnounceJson