forked from indymedia/epicyon
85 lines
3.0 KiB
Python
85 lines
3.0 KiB
Python
__filename__ = "filters.py"
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__author__ = "Bob Mottram"
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__license__ = "AGPL3+"
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__version__ = "1.1.0"
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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 addFilter(baseDir: str, nickname: str, domain: str, words: str) -> bool:
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"""Adds a filter for particular words within the content of a incoming posts
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"""
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filtersFilename = baseDir + '/accounts/' + \
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nickname + '@' + domain + '/filters.txt'
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if os.path.isfile(filtersFilename):
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if words in open(filtersFilename).read():
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return False
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filtersFile = open(filtersFilename, "a+")
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filtersFile.write(words + '\n')
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filtersFile.close()
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return True
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def removeFilter(baseDir: str, nickname: str, domain: str,
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words: str) -> bool:
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"""Removes a word filter
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"""
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filtersFilename = baseDir + '/accounts/' + \
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nickname + '@' + domain + '/filters.txt'
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if os.path.isfile(filtersFilename):
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if words in open(filtersFilename).read():
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with open(filtersFilename, 'r') as fp:
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with open(filtersFilename + '.new', 'w+') as fpnew:
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for line in fp:
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line = line.replace('\n', '')
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if line != words:
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fpnew.write(line + '\n')
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if os.path.isfile(filtersFilename + '.new'):
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os.rename(filtersFilename + '.new', filtersFilename)
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return True
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return False
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def isTwitterPost(content: str) -> bool:
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"""Returns true if the given post content is a retweet or twitter crosspost
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"""
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if '/twitter.' in content or '@twitter.' in content:
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return True
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elif '>RT <' in content:
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return True
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return False
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def isFiltered(baseDir: str, nickname: str, domain: str, content: str) -> bool:
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"""Should the given content be filtered out?
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This is a simple type of filter which just matches words, not a regex
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You can add individual words or use word1+word2 to indicate that two
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words must be present although not necessarily adjacent
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"""
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# optionally remove retweets
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removeTwitter = baseDir + '/accounts/' + \
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nickname + '@' + domain + '/.removeTwitter'
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if os.path.isfile(removeTwitter):
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if isTwitterPost(content):
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return True
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filtersFilename = baseDir + '/accounts/' + \
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nickname + '@' + domain + '/filters.txt'
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if os.path.isfile(filtersFilename):
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with open(filtersFilename, 'r') as fp:
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for line in fp:
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filterStr = line.replace('\n', '').replace('\r', '')
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if '+' not in filterStr:
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if filterStr in content:
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return True
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else:
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filterWords = filterStr.replace('"', '').split('+')
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for word in filterWords:
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if word not in content:
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return False
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return True
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return False
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