forked from indymedia/epicyon
1259 lines
50 KiB
Python
1259 lines
50 KiB
Python
__filename__ = "inbox.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 os
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import datetime
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import time
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import json
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import commentjson
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from shutil import copyfile
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from utils import urlPermitted
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from utils import createInboxQueueDir
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from utils import getStatusNumber
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from utils import getDomainFromActor
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from utils import getNicknameFromActor
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from utils import domainPermitted
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from utils import locatePost
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from utils import deletePost
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from utils import removeAttachment
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from httpsig import verifyPostHeaders
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from session import createSession
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from session import getJson
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from follow import receiveFollowRequest
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from follow import getFollowersOfActor
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from follow import unfollowerOfPerson
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from pprint import pprint
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from cache import getPersonFromCache
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from cache import storePersonInCache
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from acceptreject import receiveAcceptReject
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from capabilities import getOcapFilename
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from capabilities import CapablePost
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from capabilities import capabilitiesReceiveUpdate
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from like import updateLikesCollection
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from like import undoLikesCollectionEntry
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from blocking import isBlocked
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from filters import isFiltered
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def validInbox(baseDir: str,nickname: str,domain: str) -> bool:
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"""Checks whether files were correctly saved to the inbox
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"""
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if ':' in domain:
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domain=domain.split(':')[0]
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inboxDir=baseDir+'/accounts/'+nickname+'@'+domain+'/inbox'
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if not os.path.isdir(inboxDir):
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return True
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for subdir, dirs, files in os.walk(inboxDir):
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for f in files:
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filename = os.path.join(subdir, f)
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if not os.path.isfile(filename):
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print('filename: '+filename)
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return False
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if 'postNickname' in open(filename).read():
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print('queue file incorrectly saved to '+filename)
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return False
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return True
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def validInboxFilenames(baseDir: str,nickname: str,domain: str, \
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expectedDomain: str,expectedPort: int) -> bool:
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"""Used by unit tests to check that the port number gets appended to
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domain names within saved post filenames
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"""
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if ':' in domain:
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domain=domain.split(':')[0]
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inboxDir=baseDir+'/accounts/'+nickname+'@'+domain+'/inbox'
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if not os.path.isdir(inboxDir):
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return True
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expectedStr=expectedDomain+':'+str(expectedPort)
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for subdir, dirs, files in os.walk(inboxDir):
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for f in files:
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filename = os.path.join(subdir, f)
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if not os.path.isfile(filename):
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print('filename: '+filename)
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return False
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if not expectedStr in filename:
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print('Invalid filename: '+filename)
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return False
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return True
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def getPersonPubKey(session,personUrl: str,personCache: {},debug: bool) -> str:
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if not personUrl:
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return None
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personUrl=personUrl.replace('#main-key','')
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personJson = getPersonFromCache(personUrl,personCache)
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if not personJson:
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if debug:
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print('DEBUG: Obtaining public key for '+personUrl)
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asHeader = {'Accept': 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'}
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personJson = getJson(session,personUrl,asHeader,None)
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if not personJson:
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return None
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pubKey=None
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if personJson.get('publicKey'):
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if personJson['publicKey'].get('publicKeyPem'):
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pubKey=personJson['publicKey']['publicKeyPem']
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else:
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if personJson.get('publicKeyPem'):
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pubKey=personJson['publicKeyPem']
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if not pubKey:
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if debug:
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print('DEBUG: Public key not found for '+personUrl)
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storePersonInCache(personUrl,personJson,personCache)
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return pubKey
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def inboxMessageHasParams(messageJson: {}) -> bool:
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"""Checks whether an incoming message contains expected parameters
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"""
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expectedParams=['type','actor','object']
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for param in expectedParams:
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if not messageJson.get(param):
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return False
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if not messageJson.get('to'):
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allowedWithoutToParam=['Follow','Request','Capability','Undo']
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if messageJson['type'] not in allowedWithoutToParam:
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return False
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return True
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def inboxPermittedMessage(domain: str,messageJson: {},federationList: []) -> bool:
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""" check that we are receiving from a permitted domain
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"""
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testParam='actor'
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if not messageJson.get(testParam):
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return False
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actor=messageJson[testParam]
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# always allow the local domain
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if domain in actor:
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return True
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if not urlPermitted(actor,federationList,"inbox:write"):
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return False
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if messageJson['type']!='Follow' and \
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messageJson['type']!='Like' and \
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messageJson['type']!='Delete' and \
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messageJson['type']!='Announce':
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if messageJson.get('object'):
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if not isinstance(messageJson['object'], dict):
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return False
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if messageJson['object'].get('inReplyTo'):
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inReplyTo=messageJson['object']['inReplyTo']
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if not urlPermitted(inReplyTo,federationList):
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return False
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return True
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def validPublishedDate(published) -> bool:
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currTime=datetime.datetime.utcnow()
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pubDate=datetime.datetime.strptime(published,"%Y-%m-%dT%H:%M:%SZ")
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daysSincePublished = (currTime - pubTime).days
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if daysSincePublished>30:
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return False
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return True
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def savePostToInboxQueue(baseDir: str,httpPrefix: str,nickname: str, domain: str,postJsonObject: {},host: str,headers: str,postPath: str,postFromWebInterface: bool,debug: bool) -> str:
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"""Saves the give json to the inbox queue for the person
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keyId specifies the actor sending the post
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"""
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originalDomain=domain
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if ':' in domain:
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domain=domain.split(':')[0]
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# block at the ealiest stage possible, which means the data
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# isn't written to file
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postNickname=None
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postDomain=None
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if postJsonObject.get('actor'):
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postNickname=getNicknameFromActor(postJsonObject['actor'])
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postDomain,postPort=getDomainFromActor(postJsonObject['actor'])
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if isBlocked(baseDir,nickname,domain,postNickname,postDomain):
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return None
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if postPort:
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if postPort!=80 and postPort!=443:
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postDomain=postDomain+':'+str(postPort)
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if postJsonObject.get('object'):
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if isinstance(postJsonObject['object'], dict):
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if postJsonObject['object'].get('content'):
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if isinstance(postJsonObject['object']['content'], str):
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if isFiltered(baseDir,nickname,domain,postJsonObject['object']['content']):
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return None
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if postJsonObject.get('id'):
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postId=postJsonObject['id'].replace('/activity','')
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else:
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statusNumber,published = getStatusNumber()
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postId=httpPrefix+'://'+originalDomain+'/users/'+nickname+'/statuses/'+statusNumber
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currTime=datetime.datetime.utcnow()
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published=currTime.strftime("%Y-%m-%dT%H:%M:%SZ")
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inboxQueueDir=createInboxQueueDir(nickname,domain,baseDir)
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handle=nickname+'@'+domain
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destination=baseDir+'/accounts/'+handle+'/inbox/'+postId.replace('/','#')+'.json'
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if os.path.isfile(destination):
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if debug:
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print('DEBUG: inbox item already exists')
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return None
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filename=inboxQueueDir+'/'+postId.replace('/','#')+'.json'
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sharedInboxItem=False
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if nickname=='inbox':
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sharedInboxItem=True
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newQueueItem = {
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'id': postId,
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'nickname': nickname,
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'domain': domain,
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'postNickname': postNickname,
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'postDomain': postDomain,
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'sharedInbox': sharedInboxItem,
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'published': published,
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'host': host,
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'headers': headers,
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'path': postPath,
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'post': postJsonObject,
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'filename': filename,
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'destination': destination,
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'postFromWebInterface': postFromWebInterface
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}
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if debug:
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print('Inbox queue item created')
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pprint(newQueueItem)
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with open(filename, 'w') as fp:
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commentjson.dump(newQueueItem, fp, indent=4, sort_keys=False)
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return filename
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def inboxCheckCapabilities(baseDir :str,nickname :str,domain :str, \
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actor: str,queue: [],queueJson: {}, \
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capabilityId: str,debug : bool) -> bool:
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if nickname=='inbox':
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return True
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ocapFilename= \
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getOcapFilename(baseDir, \
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queueJson['nickname'],queueJson['domain'], \
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actor,'accept')
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if not os.path.isfile(ocapFilename):
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if debug:
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print('DEBUG: capabilities for '+ \
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actor+' do not exist')
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os.remove(queueFilename)
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queue.pop(0)
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return False
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with open(ocapFilename, 'r') as fp:
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oc=commentjson.load(fp)
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if not oc.get('id'):
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if debug:
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print('DEBUG: capabilities for '+actor+' do not contain an id')
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os.remove(queueFilename)
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queue.pop(0)
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return False
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if oc['id']!=capabilityId:
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if debug:
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print('DEBUG: capability id mismatch')
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os.remove(queueFilename)
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queue.pop(0)
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return False
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if not oc.get('capability'):
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if debug:
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print('DEBUG: missing capability list')
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os.remove(queueFilename)
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queue.pop(0)
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return False
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if not CapablePost(queueJson['post'],oc['capability'],debug):
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if debug:
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print('DEBUG: insufficient capabilities to write to inbox from '+actor)
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os.remove(queueFilename)
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queue.pop(0)
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return False
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if debug:
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print('DEBUG: object capabilities check success')
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return True
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def inboxPostRecipientsAdd(baseDir :str,httpPrefix :str,toList :[], \
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recipientsDict :{}, \
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domainMatch: str,domain :str, \
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actor :str,debug: bool) -> bool:
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"""Given a list of post recipients (toList) from 'to' or 'cc' parameters
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populate a recipientsDict with the handle and capabilities id for each
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"""
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followerRecipients=False
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for recipient in toList:
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# is this a to a local account?
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if domainMatch in recipient:
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# get the handle for the local account
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nickname=recipient.split(domainMatch)[1]
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handle=nickname+'@'+domain
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if os.path.isdir(baseDir+'/accounts/'+handle):
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# are capabilities granted for this account to the
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# sender (actor) of the post?
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ocapFilename=baseDir+'/accounts/'+handle+'/ocap/accept/'+actor.replace('/','#')+'.json'
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if os.path.isfile(ocapFilename):
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# read the granted capabilities and obtain the id
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with open(ocapFilename, 'r') as fp:
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ocapJson=commentjson.load(fp)
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if ocapJson.get('id'):
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# append with the capabilities id
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recipientsDict[handle]=ocapJson['id']
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else:
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recipientsDict[handle]=None
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else:
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if debug:
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print('DEBUG: '+ocapFilename+' not found')
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recipientsDict[handle]=None
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else:
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if debug:
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print('DEBUG: '+baseDir+'/accounts/'+handle+' does not exist')
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else:
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if debug:
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print('DEBUG: '+recipient+' is not local to '+domainMatch)
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print(str(toList))
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if recipient.endswith('followers'):
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if debug:
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print('DEBUG: followers detected as post recipients')
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followerRecipients=True
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return followerRecipients,recipientsDict
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def inboxPostRecipients(baseDir :str,postJsonObject :{},httpPrefix :str,domain : str,port :int, debug :bool) -> ([],[]):
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"""Returns dictionaries containing the recipients of the given post
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The shared dictionary contains followers
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"""
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recipientsDict={}
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recipientsDictFollowers={}
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if not postJsonObject.get('actor'):
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if debug:
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pprint(postJsonObject)
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print('WARNING: inbox post has no actor')
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return recipientsDict,recipientsDictFollowers
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if ':' in domain:
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domain=domain.split(':')[0]
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domainBase=domain
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if port!=80 and port!=443:
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domain=domain+':'+str(port)
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domainMatch='/'+domain+'/users/'
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actor = postJsonObject['actor']
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# first get any specific people which the post is addressed to
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followerRecipients=False
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if postJsonObject.get('object'):
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if isinstance(postJsonObject['object'], dict):
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if postJsonObject['object'].get('to'):
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if debug:
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print('DEBUG: resolving "to"')
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includesFollowers,recipientsDict= \
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inboxPostRecipientsAdd(baseDir,httpPrefix, \
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postJsonObject['object']['to'], \
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recipientsDict, \
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domainMatch,domainBase, \
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actor,debug)
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if includesFollowers:
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followerRecipients=True
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else:
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if debug:
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print('DEBUG: inbox post has no "to"')
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if postJsonObject['object'].get('cc'):
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includesFollowers,recipientsDict= \
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inboxPostRecipientsAdd(baseDir,httpPrefix, \
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postJsonObject['object']['cc'], \
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recipientsDict, \
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domainMatch,domainBase, \
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actor,debug)
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if includesFollowers:
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followerRecipients=True
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else:
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if debug:
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print('DEBUG: inbox post has no cc')
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else:
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if debug:
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if isinstance(postJsonObject['object'], str):
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if '/statuses/' in postJsonObject['object']:
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print('DEBUG: inbox item is a link to a post')
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else:
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if '/users/' in postJsonObject['object']:
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print('DEBUG: inbox item is a link to an actor')
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if postJsonObject.get('to'):
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includesFollowers,recipientsDict= \
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inboxPostRecipientsAdd(baseDir,httpPrefix, \
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postJsonObject['to'], \
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recipientsDict, \
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domainMatch,domainBase, \
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actor,debug)
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if includesFollowers:
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followerRecipients=True
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if postJsonObject.get('cc'):
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includesFollowers,recipientsDict= \
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inboxPostRecipientsAdd(baseDir,httpPrefix, \
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postJsonObject['cc'], \
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recipientsDict, \
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domainMatch,domainBase, \
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actor,debug)
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if includesFollowers:
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followerRecipients=True
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if not followerRecipients:
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if debug:
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print('DEBUG: no followers were resolved')
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return recipientsDict,recipientsDictFollowers
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# now resolve the followers
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recipientsDictFollowers= \
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getFollowersOfActor(baseDir,actor,debug)
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return recipientsDict,recipientsDictFollowers
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def receiveUndoFollow(session,baseDir: str,httpPrefix: str, \
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port: int,messageJson: {}, \
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federationList: [], \
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debug : bool) -> bool:
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if not messageJson['object'].get('actor'):
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if debug:
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print('DEBUG: follow request has no actor within object')
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return False
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if '/users/' not in messageJson['object']['actor']:
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if debug:
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print('DEBUG: "users" missing from actor within object')
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return False
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if messageJson['object']['actor'] != messageJson['actor']:
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if debug:
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print('DEBUG: actors do not match')
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return False
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nicknameFollower=getNicknameFromActor(messageJson['object']['actor'])
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domainFollower,portFollower=getDomainFromActor(messageJson['object']['actor'])
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domainFollowerFull=domainFollower
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if portFollower:
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if portFollower!=80 and portFollower!=443:
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domainFollowerFull=domainFollower+':'+str(portFollower)
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nicknameFollowing=getNicknameFromActor(messageJson['object']['object'])
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domainFollowing,portFollowing=getDomainFromActor(messageJson['object']['object'])
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domainFollowingFull=domainFollowing
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if portFollowing:
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if portFollowing!=80 and portFollowing!=443:
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domainFollowingFull=domainFollowing+':'+str(portFollowing)
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if unfollowerOfPerson(baseDir, \
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nicknameFollowing,domainFollowingFull, \
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nicknameFollower,domainFollowerFull, \
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debug):
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if debug:
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print('DEBUG: Follower '+nicknameFollower+'@'+domainFollowerFull+' was removed')
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return True
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if debug:
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print('DEBUG: Follower '+nicknameFollower+'@'+domainFollowerFull+' was not removed')
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return False
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|
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def receiveUndo(session,baseDir: str,httpPrefix: str, \
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port: int,sendThreads: [],postLog: [], \
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cachedWebfingers: {},personCache: {}, \
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messageJson: {},federationList: [], \
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debug : bool, \
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acceptedCaps=["inbox:write","objects:read"]) -> bool:
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"""Receives an undo request within the POST section of HTTPServer
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"""
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if not messageJson['type'].startswith('Undo'):
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return False
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if debug:
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print('DEBUG: Undo activity received')
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if not messageJson.get('actor'):
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if debug:
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print('DEBUG: follow request has no actor')
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return False
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if '/users/' not in messageJson['actor']:
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if debug:
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print('DEBUG: "users" missing from actor')
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return False
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if not messageJson.get('object'):
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if debug:
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print('DEBUG: '+messageJson['type']+' has no object')
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return False
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if not isinstance(messageJson['object'], dict):
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if debug:
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print('DEBUG: '+messageJson['type']+' object is not a dict')
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return False
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if not messageJson['object'].get('type'):
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if debug:
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print('DEBUG: '+messageJson['type']+' has no object type')
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return False
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if not messageJson['object'].get('object'):
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if debug:
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print('DEBUG: '+messageJson['type']+' has no object within object')
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return False
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if not isinstance(messageJson['object']['object'], str):
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if debug:
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print('DEBUG: '+messageJson['type']+' object within object is not a string')
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return False
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if messageJson['object']['type']=='Follow':
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return receiveUndoFollow(session,baseDir,httpPrefix, \
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port,messageJson, \
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federationList, \
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debug)
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return False
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|
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def receiveUpdate(session,baseDir: str, \
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httpPrefix: str,domain :str,port: int, \
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sendThreads: [],postLog: [],cachedWebfingers: {}, \
|
|
personCache: {},messageJson: {},federationList: [], \
|
|
debug : bool) -> bool:
|
|
"""Receives an Update activity within the POST section of HTTPServer
|
|
"""
|
|
if messageJson['type']!='Update':
|
|
return False
|
|
if not messageJson.get('actor'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no actor')
|
|
return False
|
|
if not messageJson.get('object'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no object')
|
|
return False
|
|
if not isinstance(messageJson['object'], dict):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' object is not a dict')
|
|
return False
|
|
if not messageJson['object'].get('type'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' object has no type')
|
|
return False
|
|
if '/users/' not in messageJson['actor']:
|
|
if debug:
|
|
print('DEBUG: "users" missing from actor in '+messageJson['type'])
|
|
return False
|
|
if messageJson['object'].get('capability') and messageJson['object'].get('scope'):
|
|
domain,tempPort=getDomainFromActor(messageJson['object']['scope'])
|
|
nickname=getNicknameFromActor(messageJson['object']['scope'])
|
|
|
|
if messageJson['object']['type']=='Capability':
|
|
if capabilitiesReceiveUpdate(baseDir,nickname,domain,port,
|
|
messageJson['actor'], \
|
|
messageJson['object']['id'], \
|
|
messageJson['object']['capability'], \
|
|
debug):
|
|
if debug:
|
|
print('DEBUG: An update was received')
|
|
return True
|
|
return False
|
|
|
|
def receiveLike(session,handle: str,baseDir: str, \
|
|
httpPrefix: str,domain :str,port: int, \
|
|
sendThreads: [],postLog: [],cachedWebfingers: {}, \
|
|
personCache: {},messageJson: {},federationList: [], \
|
|
debug : bool) -> bool:
|
|
"""Receives a Like activity within the POST section of HTTPServer
|
|
"""
|
|
if messageJson['type']!='Like':
|
|
return False
|
|
if not messageJson.get('actor'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no actor')
|
|
return False
|
|
if not messageJson.get('object'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no object')
|
|
return False
|
|
if not isinstance(messageJson['object'], str):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' object is not a string')
|
|
return False
|
|
if not messageJson.get('to'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no "to" list')
|
|
return False
|
|
if '/users/' not in messageJson['actor']:
|
|
if debug:
|
|
print('DEBUG: "users" missing from actor in '+messageJson['type'])
|
|
return False
|
|
if '/statuses/' not in messageJson['object']:
|
|
if debug:
|
|
print('DEBUG: "statuses" missing from object in '+messageJson['type'])
|
|
return False
|
|
if not os.path.isdir(baseDir+'/accounts/'+handle):
|
|
print('DEBUG: unknown recipient of like - '+handle)
|
|
# if this post in the outbox of the person?
|
|
postFilename=locatePost(baseDir,handle.split('@')[0],handle.split('@')[1],messageJson['object'])
|
|
if not postFilename:
|
|
if debug:
|
|
print('DEBUG: post not found in inbox or outbox')
|
|
print(messageJson['object'])
|
|
return True
|
|
if debug:
|
|
print('DEBUG: liked post found in inbox')
|
|
updateLikesCollection(postFilename,messageJson['object'],messageJson['actor'],debug)
|
|
return True
|
|
|
|
def receiveUndoLike(session,handle: str,baseDir: str, \
|
|
httpPrefix: str,domain :str,port: int, \
|
|
sendThreads: [],postLog: [],cachedWebfingers: {}, \
|
|
personCache: {},messageJson: {},federationList: [], \
|
|
debug : bool) -> bool:
|
|
"""Receives an undo like activity within the POST section of HTTPServer
|
|
"""
|
|
if messageJson['type']!='Undo':
|
|
return False
|
|
if not messageJson.get('actor'):
|
|
return False
|
|
if not messageJson.get('object'):
|
|
return False
|
|
if not isinstance(messageJson['object'], dict):
|
|
return False
|
|
if not messageJson['object'].get('type'):
|
|
return False
|
|
if messageJson['object']['type']!='Like':
|
|
return False
|
|
if not messageJson['object'].get('object'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' like has no object')
|
|
return False
|
|
if not isinstance(messageJson['object']['object'], str):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' like object is not a string')
|
|
return False
|
|
if '/users/' not in messageJson['actor']:
|
|
if debug:
|
|
print('DEBUG: "users" missing from actor in '+messageJson['type']+' like')
|
|
return False
|
|
if '/statuses/' not in messageJson['object']['object']:
|
|
if debug:
|
|
print('DEBUG: "statuses" missing from like object in '+messageJson['type'])
|
|
return False
|
|
if not os.path.isdir(baseDir+'/accounts/'+handle):
|
|
print('DEBUG: unknown recipient of undo like - '+handle)
|
|
# if this post in the outbox of the person?
|
|
postFilename=locatePost(baseDir,handle.split('@')[0],handle.split('@')[1],messageJson['object']['object'])
|
|
if not postFilename:
|
|
if debug:
|
|
print('DEBUG: unliked post not found in inbox or outbox')
|
|
print(messageJson['object']['object'])
|
|
return True
|
|
if debug:
|
|
print('DEBUG: liked post found in inbox. Now undoing.')
|
|
undoLikesCollectionEntry(postFilename,messageJson['object'],messageJson['actor'],debug)
|
|
return True
|
|
|
|
def receiveDelete(session,handle: str,baseDir: str, \
|
|
httpPrefix: str,domain :str,port: int, \
|
|
sendThreads: [],postLog: [],cachedWebfingers: {}, \
|
|
personCache: {},messageJson: {},federationList: [], \
|
|
debug : bool) -> bool:
|
|
"""Receives a Delete activity within the POST section of HTTPServer
|
|
"""
|
|
if messageJson['type']!='Delete':
|
|
return False
|
|
if not messageJson.get('actor'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no actor')
|
|
return False
|
|
if debug:
|
|
print('DEBUG: Delete activity arrived')
|
|
if not messageJson.get('object'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no object')
|
|
return False
|
|
if not isinstance(messageJson['object'], str):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' object is not a string')
|
|
return False
|
|
if not messageJson.get('to'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no "to" list')
|
|
return False
|
|
if '/users/' not in messageJson['actor']:
|
|
if debug:
|
|
print('DEBUG: "users" missing from actor in '+messageJson['type'])
|
|
return False
|
|
if '/statuses/' not in messageJson['object']:
|
|
if debug:
|
|
print('DEBUG: "statuses" missing from object in '+messageJson['type'])
|
|
return False
|
|
if messageJson['actor'] not in messageJson['object']:
|
|
if debug:
|
|
print('DEBUG: actor is not the owner of the post to be deleted')
|
|
if not os.path.isdir(baseDir+'/accounts/'+handle):
|
|
print('DEBUG: unknown recipient of like - '+handle)
|
|
# if this post in the outbox of the person?
|
|
messageId=messageJson['object'].replace('/activity','')
|
|
postFilename=locatePost(baseDir,handle.split('@')[0],handle.split('@')[1],messageId)
|
|
if not postFilename:
|
|
if debug:
|
|
print('DEBUG: delete post not found in inbox or outbox')
|
|
print(messageId)
|
|
return True
|
|
deletePost(baseDir,httpPrefix,handle.split('@')[0],handle.split('@')[1],postFilename,debug)
|
|
if debug:
|
|
print('DEBUG: post deleted - '+postFilename)
|
|
return True
|
|
|
|
def receiveAnnounce(session,handle: str,baseDir: str, \
|
|
httpPrefix: str,domain :str,port: int, \
|
|
sendThreads: [],postLog: [],cachedWebfingers: {}, \
|
|
personCache: {},messageJson: {},federationList: [], \
|
|
debug : bool) -> bool:
|
|
"""Receives an announce activity within the POST section of HTTPServer
|
|
"""
|
|
if messageJson['type']!='Announce':
|
|
return False
|
|
if not messageJson.get('actor'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no actor')
|
|
return False
|
|
if debug:
|
|
print('DEBUG: receiving announce on '+handle)
|
|
if not messageJson.get('object'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no object')
|
|
return False
|
|
if not isinstance(messageJson['object'], str):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' object is not a string')
|
|
return False
|
|
if not messageJson.get('to'):
|
|
if debug:
|
|
print('DEBUG: '+messageJson['type']+' has no "to" list')
|
|
return False
|
|
if '/users/' not in messageJson['actor']:
|
|
if debug:
|
|
print('DEBUG: "users" missing from actor in '+messageJson['type'])
|
|
return False
|
|
if '/statuses/' not in messageJson['object']:
|
|
if debug:
|
|
print('DEBUG: "statuses" missing from object in '+messageJson['type'])
|
|
return False
|
|
if not os.path.isdir(baseDir+'/accounts/'+handle):
|
|
print('DEBUG: unknown recipient of announce - '+handle)
|
|
# if this post in the outbox of the person?
|
|
postFilename=locatePost(baseDir,handle.split('@')[0],handle.split('@')[1],messageJson['object'])
|
|
if not postFilename:
|
|
if debug:
|
|
print('DEBUG: announce post not found in inbox or outbox')
|
|
print(messageJson['object'])
|
|
return True
|
|
if debug:
|
|
print('DEBUG: announced/repeated post found in inbox')
|
|
return True
|
|
|
|
def receiveUndoAnnounce(session,handle: str,baseDir: str, \
|
|
httpPrefix: str,domain :str,port: int, \
|
|
sendThreads: [],postLog: [],cachedWebfingers: {}, \
|
|
personCache: {},messageJson: {},federationList: [], \
|
|
debug : bool) -> bool:
|
|
"""Receives an undo announce activity within the POST section of HTTPServer
|
|
"""
|
|
if messageJson['type']!='Undo':
|
|
return False
|
|
if not messageJson.get('actor'):
|
|
return False
|
|
if not messageJson.get('object'):
|
|
return False
|
|
if not isinstance(messageJson['object'], dict):
|
|
return False
|
|
if not messageJson['object'].get('object'):
|
|
return False
|
|
if not isinstance(messageJson['object']['object'], str):
|
|
return False
|
|
if messageJson['object']['type']!='Announce':
|
|
return False
|
|
if '/users/' not in messageJson['actor']:
|
|
if debug:
|
|
print('DEBUG: "users" missing from actor in '+messageJson['type']+' announce')
|
|
return False
|
|
if '/statuses/' not in messageJson['object']:
|
|
if debug:
|
|
print('DEBUG: "statuses" missing from object in '+messageJson['type']+' announce')
|
|
return False
|
|
if not os.path.isdir(baseDir+'/accounts/'+handle):
|
|
print('DEBUG: unknown recipient of undo announce - '+handle)
|
|
# if this post in the outbox of the person?
|
|
postFilename=locatePost(baseDir,handle.split('@')[0],handle.split('@')[1],messageJson['object'])
|
|
if not postFilename:
|
|
if debug:
|
|
print('DEBUG: undo announce post not found in inbox or outbox')
|
|
print(messageJson['object']['object'])
|
|
return True
|
|
if debug:
|
|
print('DEBUG: announced/repeated post to be undone found in inbox')
|
|
with open(postFilename, 'r') as fp:
|
|
postJsonObject=commentjson.load(fp)
|
|
if not postJsonObject.get('type'):
|
|
if postJsonObject['type']!='Announce':
|
|
if debug:
|
|
print("DEBUG: Attenpt to undo something which isn't an announcement")
|
|
return False
|
|
os.remove(postFilename)
|
|
return True
|
|
|
|
def populateReplies(baseDir :str,httpPrefix :str,domain :str, \
|
|
messageJson :{},maxReplies: int,debug :bool) -> bool:
|
|
"""Updates the list of replies for a post on this domain if
|
|
a reply to it arrives
|
|
"""
|
|
if not messageJson.get('id'):
|
|
return False
|
|
if not messageJson.get('object'):
|
|
return False
|
|
if not isinstance(messageJson['object'], dict):
|
|
return False
|
|
if not messageJson['object'].get('inReplyTo'):
|
|
return False
|
|
if not messageJson['object'].get('to'):
|
|
return False
|
|
replyTo=messageJson['object']['inReplyTo']
|
|
if debug:
|
|
print('DEBUG: post contains a reply')
|
|
# is this a reply to a post on this domain?
|
|
if not replyTo.startswith(httpPrefix+'://'+domain+'/'):
|
|
if debug:
|
|
print('DEBUG: post is a reply to another not on this domain')
|
|
return False
|
|
replyToNickname=getNicknameFromActor(replyTo)
|
|
if not replyToNickname:
|
|
if debug:
|
|
print('DEBUG: no nickname found for '+replyTo)
|
|
return False
|
|
replyToDomain,replyToPort=getDomainFromActor(replyTo)
|
|
if not replyToDomain:
|
|
if debug:
|
|
print('DEBUG: no domain found for '+replyTo)
|
|
return False
|
|
postFilename=locatePost(baseDir,replyToNickname,replyToDomain,replyTo)
|
|
if not postFilename:
|
|
if debug:
|
|
print('DEBUG: post may have expired - '+replyTo)
|
|
return False
|
|
# populate a text file containing the ids of replies
|
|
postRepliesFilename=postFilename.replace('.json','.replies')
|
|
messageId=messageJson['id'].replace('/activity','')
|
|
if os.path.isfile(postRepliesFilename):
|
|
numLines = sum(1 for line in open(postRepliesFilename))
|
|
if numlines>maxReplies:
|
|
return False
|
|
if messageId not in open(postRepliesFilename).read():
|
|
repliesFile=open(postRepliesFilename, "a")
|
|
repliesFile.write(messageId+'\n')
|
|
repliesFile.close()
|
|
else:
|
|
repliesFile=open(postRepliesFilename, "w")
|
|
repliesFile.write(messageId+'\n')
|
|
repliesFile.close()
|
|
return True
|
|
|
|
def inboxAfterCapabilities(session,keyId: str,handle: str,messageJson: {}, \
|
|
baseDir: str,httpPrefix: str,sendThreads: [], \
|
|
postLog: [],cachedWebfingers: {},personCache: {}, \
|
|
queue: [],domain: str,port: int,useTor: bool, \
|
|
federationList: [],ocapAlways: bool,debug: bool, \
|
|
acceptedCaps: [],
|
|
queueFilename :str,destinationFilename :str,
|
|
maxReplies: int,allowDeletion: bool) -> bool:
|
|
""" Anything which needs to be done after capabilities checks have passed
|
|
"""
|
|
if receiveLike(session,handle, \
|
|
baseDir,httpPrefix, \
|
|
domain,port, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers, \
|
|
personCache, \
|
|
messageJson, \
|
|
federationList, \
|
|
debug):
|
|
if debug:
|
|
print('DEBUG: Like accepted from '+keyId)
|
|
return False
|
|
|
|
if receiveUndoLike(session,handle, \
|
|
baseDir,httpPrefix, \
|
|
domain,port, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers, \
|
|
personCache, \
|
|
messageJson, \
|
|
federationList, \
|
|
debug):
|
|
if debug:
|
|
print('DEBUG: Undo like accepted from '+keyId)
|
|
return False
|
|
|
|
if receiveAnnounce(session,handle, \
|
|
baseDir,httpPrefix, \
|
|
domain,port, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers, \
|
|
personCache, \
|
|
messageJson, \
|
|
federationList, \
|
|
debug):
|
|
if debug:
|
|
print('DEBUG: Announce accepted from '+keyId)
|
|
|
|
if receiveUndoAnnounce(session,handle, \
|
|
baseDir,httpPrefix, \
|
|
domain,port, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers, \
|
|
personCache, \
|
|
messageJson, \
|
|
federationList, \
|
|
debug):
|
|
if debug:
|
|
print('DEBUG: Undo announce accepted from '+keyId)
|
|
return False
|
|
|
|
if allowDeletion:
|
|
if receiveDelete(session,handle, \
|
|
baseDir,httpPrefix, \
|
|
domain,port, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers, \
|
|
personCache, \
|
|
messageJson, \
|
|
federationList, \
|
|
debug):
|
|
if debug:
|
|
print('DEBUG: Delete accepted from '+keyId)
|
|
return False
|
|
|
|
populateReplies(baseDir,httpPrefix,domain,messageJson,maxReplies,debug)
|
|
|
|
if debug:
|
|
print('DEBUG: object capabilities passed')
|
|
print('copy from '+queueFilename+' to '+destinationFilename)
|
|
|
|
if messageJson.get('postNickname'):
|
|
with open(destinationFilename, 'w') as fp:
|
|
commentjson.dump(messageJson['post'], fp, indent=4, sort_keys=False)
|
|
else:
|
|
with open(destinationFilename, 'w') as fp:
|
|
commentjson.dump(messageJson, fp, indent=4, sort_keys=False)
|
|
return True
|
|
|
|
def restoreQueueItems(baseDir: str,queue: []) -> None:
|
|
"""Checks the queue for each account and appends filenames
|
|
"""
|
|
queue=[]
|
|
for subdir,dirs,files in os.walk(baseDir+'/accounts'):
|
|
for account in dirs:
|
|
queueDir=baseDir+'/accounts/'+account+'/queue'
|
|
if os.path.isdir(queueDir):
|
|
for queuesubdir,queuedirs,queuefiles in os.walk(queueDir):
|
|
for qfile in queuefiles:
|
|
queue.append(os.path.join(queueDir, qfile))
|
|
|
|
def runInboxQueue(baseDir: str,httpPrefix: str,sendThreads: [],postLog: [], \
|
|
cachedWebfingers: {},personCache: {},queue: [], \
|
|
domain: str,port: int,useTor: bool,federationList: [], \
|
|
ocapAlways: bool,maxReplies: int, \
|
|
domainMaxPostsPerDay: int,accountMaxPostsPerDay: int, \
|
|
allowDeletion: bool,debug: bool, \
|
|
acceptedCaps=["inbox:write","objects:read"]) -> None:
|
|
"""Processes received items and moves them to
|
|
the appropriate directories
|
|
"""
|
|
currSessionTime=int(time.time())
|
|
sessionLastUpdate=currSessionTime
|
|
session=createSession(domain,port,useTor)
|
|
inboxHandle='inbox@'+domain
|
|
if debug:
|
|
print('DEBUG: Inbox queue running')
|
|
|
|
# if queue processing was interrupted (eg server crash)
|
|
# then this loads any outstanding items back into the queue
|
|
restoreQueueItems(baseDir,queue)
|
|
|
|
# keep track of numbers of incoming posts per unit of time
|
|
quotasLastUpdate=int(time.time())
|
|
quotas={
|
|
'domains': {},
|
|
'accounts': {}
|
|
}
|
|
|
|
while True:
|
|
time.sleep(1)
|
|
if len(queue)>0:
|
|
currTime=int(time.time())
|
|
|
|
# recreate the session periodically
|
|
if currTime-sessionLastUpdate>1200:
|
|
session=createSession(domain,port,useTor)
|
|
sessionLastUpdate=currTime
|
|
|
|
# oldest item first
|
|
queue.sort()
|
|
queueFilename=queue[0]
|
|
if not os.path.isfile(queueFilename):
|
|
if debug:
|
|
print("DEBUG: queue item rejected becase it has no file: "+queueFilename)
|
|
queue.pop(0)
|
|
continue
|
|
|
|
# Load the queue json
|
|
with open(queueFilename, 'r') as fp:
|
|
queueJson=commentjson.load(fp)
|
|
|
|
# clear the daily quotas for maximum numbers of received posts
|
|
if currTime-quotasLastUpdate>60*60*24:
|
|
quotas={
|
|
'domains': {},
|
|
'accounts': {}
|
|
}
|
|
quotasLastUpdate=currTime
|
|
|
|
# limit the number of posts which can arrive per domain per day
|
|
postDomain=queueJson['postDomain']
|
|
if postDomain:
|
|
if domainMaxPostsPerDay>0:
|
|
if quotas['domains'].get(postDomain):
|
|
if quotas['domains'][postDomain]>domainMaxPostsPerDay:
|
|
queue.pop(0)
|
|
continue
|
|
quotas['domains'][postDomain]+=1
|
|
else:
|
|
quotas['domains'][postDomain]=1
|
|
|
|
if accountMaxPostsPerDay>0:
|
|
postHandle=queueJson['postNickname']+'@'+postDomain
|
|
if quotas['accounts'].get(postHandle):
|
|
if quotas['accounts'][postHandle]>accountMaxPostsPerDay:
|
|
queue.pop(0)
|
|
continue
|
|
quotas['accounts'][postHandle]+=1
|
|
else:
|
|
quotas['accounts'][postHandle]=1
|
|
|
|
if debug:
|
|
if accountMaxPostsPerDay>0 or domainMaxPostsPerDay>0:
|
|
pprint(quotas)
|
|
|
|
# Try a few times to obtain the public key
|
|
pubKey=None
|
|
keyId=None
|
|
for tries in range(8):
|
|
if queueJson['postFromWebInterface']:
|
|
break
|
|
keyId=None
|
|
signatureParams=queueJson['headers'].split(',')
|
|
for signatureItem in signatureParams:
|
|
if signatureItem.startswith('keyId='):
|
|
if '"' in signatureItem:
|
|
keyId=signatureItem.split('"')[1]
|
|
break
|
|
if not keyId:
|
|
if debug:
|
|
print('DEBUG: No keyId in signature: '+queueJson['headers']['signature'])
|
|
os.remove(queueFilename)
|
|
queue.pop(0)
|
|
continue
|
|
|
|
pubKey=getPersonPubKey(session,keyId,personCache,debug)
|
|
if pubKey:
|
|
print('DEBUG: public key: '+str(pubKey))
|
|
break
|
|
|
|
if debug:
|
|
print('DEBUG: Retry '+str(tries+1)+' obtaining public key for '+keyId)
|
|
time.sleep(5)
|
|
|
|
if not queueJson['postFromWebInterface']:
|
|
if not pubKey:
|
|
if debug:
|
|
print('DEBUG: public key could not be obtained from '+keyId)
|
|
os.remove(queueFilename)
|
|
queue.pop(0)
|
|
continue
|
|
|
|
# check the signature
|
|
verifyHeaders={
|
|
'host': queueJson['host'],
|
|
'signature': queueJson['headers']
|
|
}
|
|
if not verifyPostHeaders(httpPrefix, \
|
|
pubKey, verifyHeaders, \
|
|
queueJson['path'], False, \
|
|
json.dumps(queueJson['post'])):
|
|
if debug:
|
|
print('DEBUG: Header signature check failed')
|
|
os.remove(queueFilename)
|
|
queue.pop(0)
|
|
continue
|
|
|
|
if debug:
|
|
print('DEBUG: Signature check success')
|
|
|
|
if receiveUndo(session, \
|
|
baseDir,httpPrefix,port, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers,
|
|
personCache,
|
|
queueJson['post'], \
|
|
federationList, \
|
|
debug, \
|
|
acceptedCaps=["inbox:write","objects:read"]):
|
|
if debug:
|
|
print('DEBUG: Undo accepted from '+keyId)
|
|
os.remove(queueFilename)
|
|
queue.pop(0)
|
|
continue
|
|
|
|
if receiveFollowRequest(session, \
|
|
baseDir,httpPrefix,port, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers,
|
|
personCache,
|
|
queueJson['post'], \
|
|
federationList, \
|
|
debug, \
|
|
acceptedCaps=["inbox:write","objects:read"]):
|
|
if debug:
|
|
print('DEBUG: Follow accepted from '+keyId)
|
|
os.remove(queueFilename)
|
|
queue.pop(0)
|
|
continue
|
|
|
|
if receiveAcceptReject(session, \
|
|
baseDir,httpPrefix,domain,port, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers,
|
|
personCache,
|
|
queueJson['post'], \
|
|
federationList, \
|
|
debug):
|
|
if debug:
|
|
print('DEBUG: Accept/Reject received from '+keyId)
|
|
os.remove(queueFilename)
|
|
queue.pop(0)
|
|
continue
|
|
|
|
if receiveUpdate(session, \
|
|
baseDir,httpPrefix, \
|
|
domain,port, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers,
|
|
personCache,
|
|
queueJson['post'], \
|
|
federationList, \
|
|
debug):
|
|
if debug:
|
|
print('DEBUG: Update accepted from '+keyId)
|
|
os.remove(queueFilename)
|
|
queue.pop(0)
|
|
continue
|
|
|
|
# get recipients list
|
|
recipientsDict,recipientsDictFollowers= \
|
|
inboxPostRecipients(baseDir,queueJson['post'],httpPrefix,domain,port,debug)
|
|
if len(recipientsDict.items())==0 and \
|
|
len(recipientsDictFollowers.items())==0:
|
|
if debug:
|
|
pprint(queueJson['post'])
|
|
print('DEBUG: no recipients were resolved for post arriving in inbox')
|
|
os.remove(queueFilename)
|
|
queue.pop(0)
|
|
continue
|
|
|
|
# if there are only a small number of followers then process them as if they
|
|
# were specifically addresses to particular accounts
|
|
noOfFollowItems=len(recipientsDictFollowers.items())
|
|
if noOfFollowItems>0:
|
|
if noOfFollowItems<5:
|
|
if debug:
|
|
print('DEBUG: moving '+str(noOfFollowItems)+' inbox posts addressed to followers')
|
|
for handle,postItem in recipientsDictFollowers.items():
|
|
recipientsDict[handle]=postItem
|
|
recipientsDictFollowers={}
|
|
recipientsList=[recipientsDict,recipientsDictFollowers]
|
|
|
|
if debug:
|
|
print('*************************************')
|
|
print('Resolved recipients list:')
|
|
pprint(recipientsDict)
|
|
print('Resolved followers list:')
|
|
pprint(recipientsDictFollowers)
|
|
print('*************************************')
|
|
|
|
if queueJson['post'].get('capability'):
|
|
if not isinstance(queueJson['post']['capability'], list):
|
|
if debug:
|
|
print('DEBUG: capability on post should be a list')
|
|
os.remove(queueFilename)
|
|
queue.pop(0)
|
|
continue
|
|
|
|
# Copy any posts addressed to followers into the shared inbox
|
|
# this avoid copying file multiple times to potentially many
|
|
# individual inboxes
|
|
# This obviously bypasses object capabilities and so
|
|
# any checking will needs to be handled at the time when inbox
|
|
# GET happens on individual accounts.
|
|
# See posts.py/createBoxBase
|
|
if len(recipientsDictFollowers)>0:
|
|
with open(queueJson['destination'].replace(inboxHandle,inboxHandle), 'w') as fp:
|
|
commentjson.dump(queueJson['post'], fp, indent=4, sort_keys=False)
|
|
|
|
# for posts addressed to specific accounts
|
|
for handle,capsId in recipientsDict.items():
|
|
destination=queueJson['destination'].replace(inboxHandle,handle)
|
|
# check that capabilities are accepted
|
|
if queueJson['post'].get('capability'):
|
|
capabilityIdList=queueJson['post']['capability']
|
|
# does the capability id list within the post contain the id
|
|
# of the recipient with this handle?
|
|
# Here the capability id begins with the handle, so this could also
|
|
# be matched separately, but it's probably not necessary
|
|
if capsId in capabilityIdList:
|
|
inboxAfterCapabilities(session,keyId,handle, \
|
|
queueJson['post'], \
|
|
baseDir,httpPrefix, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers, \
|
|
personCache,queue,domain, \
|
|
port,useTor, \
|
|
federationList,ocapAlways, \
|
|
debug,acceptedCaps, \
|
|
queueFilename,destination, \
|
|
maxReplies,allowDeletion)
|
|
else:
|
|
if debug:
|
|
print('DEBUG: object capabilities check failed')
|
|
pprint(queueJson['post'])
|
|
else:
|
|
if not ocapAlways:
|
|
inboxAfterCapabilities(session,keyId,handle, \
|
|
queueJson['post'], \
|
|
baseDir,httpPrefix, \
|
|
sendThreads,postLog, \
|
|
cachedWebfingers, \
|
|
personCache,queue,domain, \
|
|
port,useTor, \
|
|
federationList,ocapAlways, \
|
|
debug,acceptedCaps, \
|
|
queueFilename,destination, \
|
|
maxReplies,allowDeletion)
|
|
if debug:
|
|
print('DEBUG: object capabilities check failed')
|
|
|
|
if debug:
|
|
print('DEBUG: Queue post accepted')
|
|
os.remove(queueFilename)
|
|
queue.pop(0)
|