mirror of https://gitlab.com/bashrc2/epicyon
427 lines
16 KiB
Python
427 lines
16 KiB
Python
__filename__ = "blocking.py"
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__author__ = "Bob Mottram"
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__license__ = "AGPL3+"
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__version__ = "1.0.0"
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__maintainer__ = "Bob Mottram"
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__email__ = "bob@freedombone.net"
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__status__ = "Production"
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import os
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def addGlobalBlock(baseDir: str, \
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blockNickname: str,blockDomain: str) -> bool:
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"""Global block which applies to all accounts
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"""
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blockingFilename=baseDir+'/accounts/blocking.txt'
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if not blockNickname.startswith('#'):
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blockHandle=blockNickname+'@'+blockDomain
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if os.path.isfile(blockingFilename):
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if blockHandle in open(blockingFilename).read():
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return False
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blockFile=open(blockingFilename, "a+")
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blockFile.write(blockHandle+'\n')
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blockFile.close()
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else:
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blockHashtag=blockNickname
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if os.path.isfile(blockingFilename):
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if blockHashtag+'\n' in open(blockingFilename).read():
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return False
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blockFile=open(blockingFilename, "a+")
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blockFile.write(blockHashtag+'\n')
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blockFile.close()
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return True
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def addBlock(baseDir: str,nickname: str,domain: str, \
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blockNickname: str,blockDomain: str) -> bool:
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"""Block the given account
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"""
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if ':' in domain:
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domain=domain.split(':')[0]
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blockingFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/blocking.txt'
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blockHandle=blockNickname+'@'+blockDomain
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if os.path.isfile(blockingFilename):
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if blockHandle in open(blockingFilename).read():
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return False
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blockFile=open(blockingFilename, "a+")
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blockFile.write(blockHandle+'\n')
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blockFile.close()
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return True
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def removeGlobalBlock(baseDir: str, \
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unblockNickname: str, \
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unblockDomain: str) -> bool:
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"""Unblock the given global block
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"""
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unblockingFilename=baseDir+'/accounts/blocking.txt'
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if not unblockNickname.startswith('#'):
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unblockHandle=unblockNickname+'@'+unblockDomain
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if os.path.isfile(unblockingFilename):
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if unblockHandle in open(unblockingFilename).read():
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with open(unblockingFilename, 'r') as fp:
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with open(unblockingFilename+'.new', 'w') as fpnew:
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for line in fp:
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handle=line.replace('\n','')
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if unblockHandle not in line:
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fpnew.write(handle+'\n')
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if os.path.isfile(unblockingFilename+'.new'):
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os.rename(unblockingFilename+'.new',unblockingFilename)
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return True
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else:
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unblockHashtag=unblockNickname
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if os.path.isfile(unblockingFilename):
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if unblockHashtag+'\n' in open(unblockingFilename).read():
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with open(unblockingFilename, 'r') as fp:
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with open(unblockingFilename+'.new', 'w') as fpnew:
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for line in fp:
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blockLine=line.replace('\n','')
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if unblockHashtag not in line:
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fpnew.write(blockLine+'\n')
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if os.path.isfile(unblockingFilename+'.new'):
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os.rename(unblockingFilename+'.new',unblockingFilename)
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return True
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return False
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def removeBlock(baseDir: str,nickname: str,domain: str, \
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unblockNickname: str,unblockDomain: str) -> bool:
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"""Unblock the given account
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"""
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if ':' in domain:
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domain=domain.split(':')[0]
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unblockingFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/blocking.txt'
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unblockHandle=unblockNickname+'@'+unblockDomain
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if os.path.isfile(unblockingFilename):
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if unblockHandle in open(unblockingFilename).read():
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with open(unblockingFilename, 'r') as fp:
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with open(unblockingFilename+'.new', 'w') as fpnew:
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for line in fp:
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handle=line.replace('\n','')
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if unblockHandle not in line:
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fpnew.write(handle+'\n')
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if os.path.isfile(unblockingFilename+'.new'):
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os.rename(unblockingFilename+'.new',unblockingFilename)
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return True
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return False
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def isBlockedHashtag(baseDir: str,hashtag: str) -> bool:
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"""Is the given hashtag blocked?
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"""
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globalBlockingFilename=baseDir+'/accounts/blocking.txt'
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if os.path.isfile(globalBlockingFilename):
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hashtag=hashtag.strip('\n')
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if hashtag+'\n' in open(globalBlockingFilename).read():
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return True
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return False
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def isBlocked(baseDir: str,nickname: str,domain: str, \
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blockNickname: str,blockDomain: str) -> bool:
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"""Is the given nickname blocked?
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"""
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# https://www.youtube.com/watch?v=5qw1hcevmdU
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evilDomains=['gab.com','gabfed.com','spinster.xyz']
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for concentratedEvil in evilDomains:
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if blockDomain.endswith(concentratedEvil):
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return True
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globalBlockingFilename=baseDir+'/accounts/blocking.txt'
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if os.path.isfile(globalBlockingFilename):
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if '*@'+blockDomain in open(globalBlockingFilename).read():
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return True
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blockHandle=blockNickname+'@'+blockDomain
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if blockHandle in open(globalBlockingFilename).read():
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return True
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allowFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/allowedinstances.txt'
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if os.path.isfile(allowFilename):
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if blockDomain not in open(allowFilename).read():
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return True
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blockingFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/blocking.txt'
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if os.path.isfile(blockingFilename):
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if '*@'+blockDomain in open(blockingFilename).read():
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return True
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blockHandle=blockNickname+'@'+blockDomain
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if blockHandle in open(blockingFilename).read():
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return True
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return False
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def sendBlockViaServer(baseDir: str,session, \
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fromNickname: str,password: str, \
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fromDomain: str,fromPort: int, \
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httpPrefix: str,blockedUrl: str, \
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cachedWebfingers: {},personCache: {}, \
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debug: bool,projectVersion: str) -> {}:
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"""Creates a block via c2s
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"""
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if not session:
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print('WARN: No session for sendBlockViaServer')
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return 6
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fromDomainFull=fromDomain
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if fromPort:
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if fromPort!=80 and fromPort!=443:
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if ':' not in fromDomain:
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fromDomainFull=fromDomain+':'+str(fromPort)
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toUrl = 'https://www.w3.org/ns/activitystreams#Public'
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ccUrl = httpPrefix + '://'+fromDomainFull+'/users/'+fromNickname+'/followers'
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blockActor=httpPrefix+'://'+fromDomainFull+'/users/'+fromNickname
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newBlockJson = {
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"@context": "https://www.w3.org/ns/activitystreams",
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'type': 'Block',
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'actor': blockActor,
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'object': blockedUrl,
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'to': [toUrl],
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'cc': [ccUrl]
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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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fromDomain,projectVersion)
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if not wfRequest:
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if debug:
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print('DEBUG: announce webfinger failed for '+handle)
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return 1
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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,displayName = \
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getPersonBox(baseDir,session,wfRequest,personCache, \
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projectVersion,httpPrefix,fromDomain,postToBox)
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if not inboxUrl:
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if debug:
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print('DEBUG: No '+postToBox+' was found for '+handle)
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return 3
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if not fromPersonId:
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if debug:
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print('DEBUG: No actor was found for '+handle)
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return 4
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authHeader=createBasicAuthHeader(fromNickname,password)
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headers = {'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,newBlockJson,[],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 block success')
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return newBlockJson
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def sendUndoBlockViaServer(baseDir: str,session, \
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fromNickname: str,password: str, \
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fromDomain: str,fromPort: int, \
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httpPrefix: str,blockedUrl: str, \
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cachedWebfingers: {},personCache: {}, \
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debug: bool,projectVersion: str) -> {}:
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"""Creates a block via c2s
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"""
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if not session:
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print('WARN: No session for sendBlockViaServer')
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return 6
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fromDomainFull=fromDomain
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if fromPort:
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if fromPort!=80 and fromPort!=443:
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if ':' not in fromDomain:
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fromDomainFull=fromDomain+':'+str(fromPort)
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toUrl = 'https://www.w3.org/ns/activitystreams#Public'
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ccUrl = httpPrefix + '://'+fromDomainFull+'/users/'+fromNickname+'/followers'
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blockActor=httpPrefix+'://'+fromDomainFull+'/users/'+fromNickname
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newBlockJson = {
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"@context": "https://www.w3.org/ns/activitystreams",
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'type': 'Undo',
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'actor': blockActor,
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'object': {
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'type': 'Block',
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'actor': blockActor,
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'object': blockedUrl,
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'to': [toUrl],
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'cc': [ccUrl]
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}
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}
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handle=httpPrefix+'://'+fromDomainFull+'/@'+fromNickname
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# lookup the inbox for the To handle
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wfRequest = webfingerHandle(session,handle,httpPrefix,cachedWebfingers, \
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fromDomain,projectVersion)
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if not wfRequest:
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if debug:
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print('DEBUG: announce webfinger failed for '+handle)
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return 1
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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,displayName = \
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getPersonBox(baseDir,session,wfRequest,personCache, \
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projectVersion,httpPrefix,fromDomain,postToBox)
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if not inboxUrl:
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if debug:
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print('DEBUG: No '+postToBox+' was found for '+handle)
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return 3
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if not fromPersonId:
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if debug:
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print('DEBUG: No actor was found for '+handle)
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return 4
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authHeader=createBasicAuthHeader(fromNickname,password)
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headers = {'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,newBlockJson,[],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 block success')
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return newBlockJson
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def outboxBlock(baseDir: str,httpPrefix: str, \
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nickname: str,domain: str,port: int, \
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messageJson: {},debug: bool) -> None:
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""" When a block request is received by the outbox from c2s
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"""
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if not messageJson.get('type'):
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if debug:
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print('DEBUG: block - no type')
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return
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if not messageJson['type']=='Block':
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if debug:
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print('DEBUG: not a block')
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return
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if not messageJson.get('object'):
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if debug:
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print('DEBUG: no object in block')
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return
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if not isinstance(messageJson['object'], str):
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if debug:
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print('DEBUG: block object is not string')
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return
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if debug:
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print('DEBUG: c2s block request arrived in outbox')
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messageId=messageJson['object'].replace('/activity','')
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if '/statuses/' not in messageId:
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if debug:
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print('DEBUG: c2s block object is not a status')
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return
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if '/users/' not in messageId and '/profile/' not in messageId:
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if debug:
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print('DEBUG: c2s block object has no nickname')
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return
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if ':' in domain:
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domain=domain.split(':')[0]
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postFilename=locatePost(baseDir,nickname,domain,messageId)
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if not postFilename:
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if debug:
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print('DEBUG: c2s block post not found in inbox or outbox')
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print(messageId)
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return
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nicknameBlocked=getNicknameFromActor(messageJson['object'])
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if not nicknameBlocked:
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print('WARN: unable to find nickname in '+messageJson['object'])
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return
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domainBlocked,portBlocked=getDomainFromActor(messageJson['object'])
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domainBlockedFull=domainBlocked
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if portBlocked:
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if portBlocked!=80 and portBlocked!=443:
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if ':' not in domainBlocked:
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domainBlockedFull=domainBlocked+':'+str(portBlocked)
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addBlock(baseDir,nickname,domain, \
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nicknameBlocked,domainBlockedFull)
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if debug:
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print('DEBUG: post blocked via c2s - '+postFilename)
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def outboxUndoBlock(baseDir: str,httpPrefix: str, \
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nickname: str,domain: str,port: int, \
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messageJson: {},debug: bool) -> None:
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""" When an undo block request is received by the outbox from c2s
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"""
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if not messageJson.get('type'):
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if debug:
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print('DEBUG: undo block - no type')
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return
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if not messageJson['type']=='Undo':
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if debug:
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print('DEBUG: not an undo block')
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return
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if not messageJson.get('object'):
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if debug:
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print('DEBUG: no object in undo block')
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return
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if not isinstance(messageJson['object'], dict):
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if debug:
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print('DEBUG: undo block object is not string')
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return
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if not messageJson['object'].get('type'):
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if debug:
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print('DEBUG: undo block - no type')
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return
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if not messageJson['object']['type']=='Block':
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if debug:
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print('DEBUG: not an undo block')
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return
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if not messageJson['object'].get('object'):
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if debug:
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print('DEBUG: no object in undo block')
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return
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if not isinstance(messageJson['object']['object'], str):
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if debug:
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print('DEBUG: undo block object is not string')
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return
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if debug:
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print('DEBUG: c2s undo block request arrived in outbox')
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messageId=messageJson['object']['object'].replace('/activity','')
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if '/statuses/' not in messageId:
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if debug:
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print('DEBUG: c2s undo block object is not a status')
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return
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if '/users/' not in messageId and '/profile/' not in messageId:
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if debug:
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print('DEBUG: c2s undo block object has no nickname')
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return
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if ':' in domain:
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domain=domain.split(':')[0]
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postFilename=locatePost(baseDir,nickname,domain,messageId)
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if not postFilename:
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if debug:
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print('DEBUG: c2s undo block post not found in inbox or outbox')
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print(messageId)
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return
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nicknameBlocked=getNicknameFromActor(messageJson['object']['object'])
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if not nicknameBlocked:
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print('WARN: unable to find nickname in '+messageJson['object']['object'])
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return
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domainBlocked,portBlocked=getDomainFromActor(messageJson['object']['object'])
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domainBlockedFull=domainBlocked
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if portBlocked:
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if portBlocked!=80 and portBlocked!=443:
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if ':' not in domainBlocked:
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domainBlockedFull=domainBlocked+':'+str(portBlocked)
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removeBlock(baseDir,nickname,domain, \
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nicknameBlocked,domainBlockedFull)
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if debug:
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print('DEBUG: post undo blocked via c2s - '+postFilename)
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