forked from indymedia/epicyon
415 lines
16 KiB
Python
415 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__ = "0.0.1"
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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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import json
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import commentjson
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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 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 undoAnnounceCollectionEntry(postFilename: str,objectUrl: str, actor: str,debug: bool) -> None:
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"""Undoes an announce for a particular actor
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"""
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with open(postFilename, 'r') as fp:
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postJsonObject=commentjson.load(fp)
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if not postJsonObject.get('type'):
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if postJsonObject['type']!='Create':
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return
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return
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if not postJsonObject.get('object'):
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if debug:
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pprint(postJsonObject)
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print('DEBUG: post '+objectUrl+' has no object')
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return
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if not postJsonObject['object'].get('shares'):
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return
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if not postJsonObject['object']['shares'].get('items'):
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return
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totalItems=0
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if postJsonObject['object']['shares'].get('totalItems'):
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totalItems=postJsonObject['object']['shares']['totalItems']
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itemFound=False
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for likeItem in postJsonObject['object']['shares']['items']:
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if likeItem.get('actor'):
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if likeItem['actor']==actor:
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if debug:
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print('DEBUG: Announce was removed for '+actor)
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postJsonObject['object']['shares']['items'].remove(likeItem)
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itemFound=True
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break
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if itemFound:
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if totalItems==1:
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if debug:
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print('DEBUG: shares (announcements) was removed from post')
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postJsonObject['object'].remove(postJsonObject['object']['shares'])
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else:
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postJsonObject['object']['shares']['totalItems']=len(postJsonObject['shares']['items'])
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with open(postFilename, 'w') as fp:
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commentjson.dump(postJsonObject, fp, indent=4, sort_keys=True)
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def updateAnnounceCollection(postFilename: str,objectUrl: str, actor: str,debug: bool) -> None:
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"""Updates the announcements collection within a post
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Confusingly this is known as "shares", but isn't the same as shared items within shares.py
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"""
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with open(postFilename, 'r') as fp:
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postJsonObject=commentjson.load(fp)
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if not postJsonObject.get('object'):
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if debug:
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pprint(postJsonObject)
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print('DEBUG: post '+objectUrl+' has no object')
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return
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if not objectUrl.endswith('/shares'):
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objectUrl=objectUrl+'/shares'
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if not postJsonObject['object'].get('shares'):
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if debug:
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print('DEBUG: Adding initial shares to '+objectUrl)
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announcementsJson = {
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'id': objectUrl,
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'type': 'Collection',
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"totalItems": 1,
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'items': [{
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'type': 'Announce',
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'actor': actor
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}]
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}
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postJsonObject['object']['shares']=announcementsJson
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else:
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if postJsonObject['object']['shares'].get('items'):
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for announceItem in postJsonObject['shares']['items']:
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if announceItem.get('actor'):
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if announceItem['actor']==actor:
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return
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newAnnounce={
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'type': 'Announce',
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'actor': actor
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}
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postJsonObject['object']['shares']['items'].append(newAnnounce)
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postJsonObject['object']['shares']['totalItems']=len(postJsonObject['shares']['items'])
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else:
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if debug:
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print('DEBUG: shares (announcements) section of post has no items list')
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if debug:
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print('DEBUG: saving post with shares (announcements) added')
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pprint(postJsonObject)
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with open(postFilename, 'w') as fp:
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commentjson.dump(postJsonObject, fp, indent=4, sort_keys=True)
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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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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) -> {}:
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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!=80 and port!=443:
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fullDomain=domain+':'+str(port)
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statusNumber,published = getStatusNumber()
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newAnnounceId= \
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httpPrefix+'://'+fullDomain+'/users/'+nickname+'/statuses/'+statusNumber
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newAnnounce = {
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'actor': httpPrefix+'://'+fullDomain+'/users/'+nickname,
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'atomUri': httpPrefix+'://'+fullDomain+'/users/'+nickname+'/statuses/'+statusNumber,
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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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with open(filename, 'w') as fp:
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commentjson.dump(newAnnounce, fp, indent=4, sort_keys=False)
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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:
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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, \
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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,debug)
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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) -> {}:
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"""Makes a public announcement
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"""
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fromDomain=domain
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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+'/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)
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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) -> {}:
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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!=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)
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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!=80 and port!=443:
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fullDomain=domain+':'+str(port)
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newUndoAnnounce = {
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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:
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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,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!=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+'/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!=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(session,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) -> {}:
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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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withDigest=True
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fromDomainFull=fromDomain
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if fromPort!=80 and fromPort!=443:
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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+'/followers'
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statusNumber,published = getStatusNumber()
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newAnnounceId= \
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httpPrefix+'://'+fromDomainFull+'/users/'+fromNickname+'/statuses/'+statusNumber
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newAnnounceJson = {
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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,cachedWebfingers)
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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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postToBox='outbox'
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# get the actor inbox for the To handle
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inboxUrl,pubKeyId,pubKey,fromPersonId,sharedInbox,capabilityAcquisition,avatarUrl,preferredName = \
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getPersonBox(session,wfRequest,personCache,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 = {'host': fromDomain, \
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'Content-type': 'application/json', \
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'Authorization': authHeader}
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postResult = \
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postJson(session,newAnnounceJson,[],inboxUrl,headers,"inbox:write")
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#if not postResult:
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# if debug:
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# print('DEBUG: 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 announce success')
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return newAnnounceJson
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