mirror of https://gitlab.com/bashrc2/epicyon
328 lines
12 KiB
Python
328 lines
12 KiB
Python
__filename__ = "blocking.py"
|
|
__author__ = "Bob Mottram"
|
|
__license__ = "AGPL3+"
|
|
__version__ = "1.1.0"
|
|
__maintainer__ = "Bob Mottram"
|
|
__email__ = "bob@freedombone.net"
|
|
__status__ = "Production"
|
|
|
|
import os
|
|
from utils import isEvil
|
|
from utils import locatePost
|
|
from utils import evilIncarnate
|
|
from utils import getDomainFromActor
|
|
from utils import getNicknameFromActor
|
|
|
|
|
|
def addGlobalBlock(baseDir: str,
|
|
blockNickname: str, blockDomain: str) -> bool:
|
|
"""Global block which applies to all accounts
|
|
"""
|
|
blockingFilename = baseDir + '/accounts/blocking.txt'
|
|
if not blockNickname.startswith('#'):
|
|
blockHandle = blockNickname + '@' + blockDomain
|
|
if os.path.isfile(blockingFilename):
|
|
if blockHandle in open(blockingFilename).read():
|
|
return False
|
|
blockFile = open(blockingFilename, "a+")
|
|
blockFile.write(blockHandle + '\n')
|
|
blockFile.close()
|
|
else:
|
|
blockHashtag = blockNickname
|
|
if os.path.isfile(blockingFilename):
|
|
if blockHashtag + '\n' in open(blockingFilename).read():
|
|
return False
|
|
blockFile = open(blockingFilename, "a+")
|
|
blockFile.write(blockHashtag + '\n')
|
|
blockFile.close()
|
|
return True
|
|
|
|
|
|
def addBlock(baseDir: str, nickname: str, domain: str,
|
|
blockNickname: str, blockDomain: str) -> bool:
|
|
"""Block the given account
|
|
"""
|
|
if ':' in domain:
|
|
domain = domain.split(':')[0]
|
|
blockingFilename = baseDir + '/accounts/' + \
|
|
nickname + '@' + domain + '/blocking.txt'
|
|
blockHandle = blockNickname + '@' + blockDomain
|
|
if os.path.isfile(blockingFilename):
|
|
if blockHandle in open(blockingFilename).read():
|
|
return False
|
|
blockFile = open(blockingFilename, "a+")
|
|
blockFile.write(blockHandle + '\n')
|
|
blockFile.close()
|
|
return True
|
|
|
|
|
|
def removeGlobalBlock(baseDir: str,
|
|
unblockNickname: str,
|
|
unblockDomain: str) -> bool:
|
|
"""Unblock the given global block
|
|
"""
|
|
unblockingFilename = baseDir + '/accounts/blocking.txt'
|
|
if not unblockNickname.startswith('#'):
|
|
unblockHandle = unblockNickname + '@' + unblockDomain
|
|
if os.path.isfile(unblockingFilename):
|
|
if unblockHandle in open(unblockingFilename).read():
|
|
with open(unblockingFilename, 'r') as fp:
|
|
with open(unblockingFilename + '.new', 'w+') as fpnew:
|
|
for line in fp:
|
|
handle = line.replace('\n', '').replace('\r', '')
|
|
if unblockHandle not in line:
|
|
fpnew.write(handle + '\n')
|
|
if os.path.isfile(unblockingFilename + '.new'):
|
|
os.rename(unblockingFilename + '.new', unblockingFilename)
|
|
return True
|
|
else:
|
|
unblockHashtag = unblockNickname
|
|
if os.path.isfile(unblockingFilename):
|
|
if unblockHashtag + '\n' in open(unblockingFilename).read():
|
|
with open(unblockingFilename, 'r') as fp:
|
|
with open(unblockingFilename + '.new', 'w+') as fpnew:
|
|
for line in fp:
|
|
blockLine = \
|
|
line.replace('\n', '').replace('\r', '')
|
|
if unblockHashtag not in line:
|
|
fpnew.write(blockLine + '\n')
|
|
if os.path.isfile(unblockingFilename + '.new'):
|
|
os.rename(unblockingFilename + '.new', unblockingFilename)
|
|
return True
|
|
return False
|
|
|
|
|
|
def removeBlock(baseDir: str, nickname: str, domain: str,
|
|
unblockNickname: str, unblockDomain: str) -> bool:
|
|
"""Unblock the given account
|
|
"""
|
|
if ':' in domain:
|
|
domain = domain.split(':')[0]
|
|
unblockingFilename = baseDir + '/accounts/' + \
|
|
nickname + '@' + domain + '/blocking.txt'
|
|
unblockHandle = unblockNickname + '@' + unblockDomain
|
|
if os.path.isfile(unblockingFilename):
|
|
if unblockHandle in open(unblockingFilename).read():
|
|
with open(unblockingFilename, 'r') as fp:
|
|
with open(unblockingFilename + '.new', 'w+') as fpnew:
|
|
for line in fp:
|
|
handle = line.replace('\n', '').replace('\r', '')
|
|
if unblockHandle not in line:
|
|
fpnew.write(handle + '\n')
|
|
if os.path.isfile(unblockingFilename + '.new'):
|
|
os.rename(unblockingFilename + '.new', unblockingFilename)
|
|
return True
|
|
return False
|
|
|
|
|
|
def isBlockedHashtag(baseDir: str, hashtag: str) -> bool:
|
|
"""Is the given hashtag blocked?
|
|
"""
|
|
globalBlockingFilename = baseDir + '/accounts/blocking.txt'
|
|
if os.path.isfile(globalBlockingFilename):
|
|
hashtag = hashtag.strip('\n').strip('\r')
|
|
if hashtag + '\n' in open(globalBlockingFilename).read():
|
|
return True
|
|
return False
|
|
|
|
|
|
def getDomainBlocklist(baseDir: str) -> str:
|
|
"""Returns all globally blocked domains as a string
|
|
This can be used for fast matching to mitigate flooding
|
|
"""
|
|
blockedStr = ''
|
|
|
|
evilDomains = evilIncarnate()
|
|
for evil in evilDomains:
|
|
blockedStr += evil + '\n'
|
|
|
|
globalBlockingFilename = baseDir + '/accounts/blocking.txt'
|
|
if not os.path.isfile(globalBlockingFilename):
|
|
return blockedStr
|
|
with open(globalBlockingFilename, 'r') as file:
|
|
blockedStr += file.read()
|
|
return blockedStr
|
|
|
|
|
|
def isBlockedDomain(baseDir: str, domain: str) -> bool:
|
|
"""Is the given domain blocked?
|
|
"""
|
|
if isEvil(domain):
|
|
return True
|
|
globalBlockingFilename = baseDir + '/accounts/blocking.txt'
|
|
if os.path.isfile(globalBlockingFilename):
|
|
if '*@' + domain in open(globalBlockingFilename).read():
|
|
return True
|
|
return False
|
|
|
|
|
|
def isBlocked(baseDir: str, nickname: str, domain: str,
|
|
blockNickname: str, blockDomain: str) -> bool:
|
|
"""Is the given nickname blocked?
|
|
"""
|
|
if isEvil(blockDomain):
|
|
return True
|
|
globalBlockingFilename = baseDir + '/accounts/blocking.txt'
|
|
if os.path.isfile(globalBlockingFilename):
|
|
if '*@' + blockDomain in open(globalBlockingFilename).read():
|
|
return True
|
|
if blockNickname:
|
|
blockHandle = blockNickname + '@' + blockDomain
|
|
if blockHandle in open(globalBlockingFilename).read():
|
|
return True
|
|
allowFilename = baseDir + '/accounts/' + \
|
|
nickname + '@' + domain + '/allowedinstances.txt'
|
|
if os.path.isfile(allowFilename):
|
|
if blockDomain not in open(allowFilename).read():
|
|
return True
|
|
blockingFilename = baseDir + '/accounts/' + \
|
|
nickname + '@' + domain + '/blocking.txt'
|
|
if os.path.isfile(blockingFilename):
|
|
if '*@' + blockDomain in open(blockingFilename).read():
|
|
return True
|
|
if blockNickname:
|
|
blockHandle = blockNickname + '@' + blockDomain
|
|
if blockHandle in open(blockingFilename).read():
|
|
return True
|
|
return False
|
|
|
|
|
|
def outboxBlock(baseDir: str, httpPrefix: str,
|
|
nickname: str, domain: str, port: int,
|
|
messageJson: {}, debug: bool) -> None:
|
|
""" When a block request is received by the outbox from c2s
|
|
"""
|
|
if not messageJson.get('type'):
|
|
if debug:
|
|
print('DEBUG: block - no type')
|
|
return
|
|
if not messageJson['type'] == 'Block':
|
|
if debug:
|
|
print('DEBUG: not a block')
|
|
return
|
|
if not messageJson.get('object'):
|
|
if debug:
|
|
print('DEBUG: no object in block')
|
|
return
|
|
if not isinstance(messageJson['object'], str):
|
|
if debug:
|
|
print('DEBUG: block object is not string')
|
|
return
|
|
if debug:
|
|
print('DEBUG: c2s block request arrived in outbox')
|
|
|
|
messageId = messageJson['object'].replace('/activity', '')
|
|
if '/statuses/' not in messageId:
|
|
if debug:
|
|
print('DEBUG: c2s block object is not a status')
|
|
return
|
|
if '/users/' not in messageId and \
|
|
'/channel/' not in messageId and \
|
|
'/profile/' not in messageId:
|
|
if debug:
|
|
print('DEBUG: c2s block object has no nickname')
|
|
return
|
|
if ':' in domain:
|
|
domain = domain.split(':')[0]
|
|
postFilename = locatePost(baseDir, nickname, domain, messageId)
|
|
if not postFilename:
|
|
if debug:
|
|
print('DEBUG: c2s block post not found in inbox or outbox')
|
|
print(messageId)
|
|
return
|
|
nicknameBlocked = getNicknameFromActor(messageJson['object'])
|
|
if not nicknameBlocked:
|
|
print('WARN: unable to find nickname in ' + messageJson['object'])
|
|
return
|
|
domainBlocked, portBlocked = getDomainFromActor(messageJson['object'])
|
|
domainBlockedFull = domainBlocked
|
|
if portBlocked:
|
|
if portBlocked != 80 and portBlocked != 443:
|
|
if ':' not in domainBlocked:
|
|
domainBlockedFull = domainBlocked + ':' + str(portBlocked)
|
|
|
|
addBlock(baseDir, nickname, domain,
|
|
nicknameBlocked, domainBlockedFull)
|
|
|
|
if debug:
|
|
print('DEBUG: post blocked via c2s - ' + postFilename)
|
|
|
|
|
|
def outboxUndoBlock(baseDir: str, httpPrefix: str,
|
|
nickname: str, domain: str, port: int,
|
|
messageJson: {}, debug: bool) -> None:
|
|
""" When an undo block request is received by the outbox from c2s
|
|
"""
|
|
if not messageJson.get('type'):
|
|
if debug:
|
|
print('DEBUG: undo block - no type')
|
|
return
|
|
if not messageJson['type'] == 'Undo':
|
|
if debug:
|
|
print('DEBUG: not an undo block')
|
|
return
|
|
if not messageJson.get('object'):
|
|
if debug:
|
|
print('DEBUG: no object in undo block')
|
|
return
|
|
if not isinstance(messageJson['object'], dict):
|
|
if debug:
|
|
print('DEBUG: undo block object is not string')
|
|
return
|
|
|
|
if not messageJson['object'].get('type'):
|
|
if debug:
|
|
print('DEBUG: undo block - no type')
|
|
return
|
|
if not messageJson['object']['type'] == 'Block':
|
|
if debug:
|
|
print('DEBUG: not an undo block')
|
|
return
|
|
if not messageJson['object'].get('object'):
|
|
if debug:
|
|
print('DEBUG: no object in undo block')
|
|
return
|
|
if not isinstance(messageJson['object']['object'], str):
|
|
if debug:
|
|
print('DEBUG: undo block object is not string')
|
|
return
|
|
if debug:
|
|
print('DEBUG: c2s undo block request arrived in outbox')
|
|
|
|
messageId = messageJson['object']['object'].replace('/activity', '')
|
|
if '/statuses/' not in messageId:
|
|
if debug:
|
|
print('DEBUG: c2s undo block object is not a status')
|
|
return
|
|
if '/users/' not in messageId and \
|
|
'/channel/' not in messageId and \
|
|
'/profile/' not in messageId:
|
|
if debug:
|
|
print('DEBUG: c2s undo block object has no nickname')
|
|
return
|
|
if ':' in domain:
|
|
domain = domain.split(':')[0]
|
|
postFilename = locatePost(baseDir, nickname, domain, messageId)
|
|
if not postFilename:
|
|
if debug:
|
|
print('DEBUG: c2s undo block post not found in inbox or outbox')
|
|
print(messageId)
|
|
return
|
|
nicknameBlocked = getNicknameFromActor(messageJson['object']['object'])
|
|
if not nicknameBlocked:
|
|
print('WARN: unable to find nickname in ' +
|
|
messageJson['object']['object'])
|
|
return
|
|
domainObject = messageJson['object']['object']
|
|
domainBlocked, portBlocked = getDomainFromActor(domainObject)
|
|
domainBlockedFull = domainBlocked
|
|
if portBlocked:
|
|
if portBlocked != 80 and portBlocked != 443:
|
|
if ':' not in domainBlocked:
|
|
domainBlockedFull = domainBlocked + ':' + str(portBlocked)
|
|
|
|
removeBlock(baseDir, nickname, domain,
|
|
nicknameBlocked, domainBlockedFull)
|
|
if debug:
|
|
print('DEBUG: post undo blocked via c2s - ' + postFilename)
|