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134 lines
4.0 KiB
134 lines
4.0 KiB
#!/usr/bin/env python
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# coding=utf-8
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__author__ = "TrackMe Limited"
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__copyright__ = "Copyright 2022-2026, TrackMe Limited, U.K."
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__credits__ = "TrackMe Limited, U.K."
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__license__ = "TrackMe Limited, all rights reserved"
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__version__ = "0.1.0"
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__maintainer__ = "TrackMe Limited, U.K."
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__email__ = "support@trackme-solutions.com"
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__status__ = "PRODUCTION"
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# Standard library
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import os
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import sys
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import json
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import time
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# Logging
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import logging
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from logging.handlers import RotatingFileHandler
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# Networking
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import urllib3
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urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
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# splunk home
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splunkhome = os.environ["SPLUNK_HOME"]
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# set logging
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filehandler = RotatingFileHandler(
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"%s/var/log/splunk/trackme_trackmeexpandtokens.log" % splunkhome,
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mode="a",
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maxBytes=10000000,
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backupCount=1,
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)
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formatter = logging.Formatter(
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"%(asctime)s %(levelname)s %(filename)s %(funcName)s %(lineno)d %(message)s"
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)
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logging.Formatter.converter = time.gmtime
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filehandler.setFormatter(formatter)
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log = logging.getLogger() # root logger - Good to get it only once.
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for hdlr in log.handlers[:]: # remove the existing file handlers
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if isinstance(hdlr, logging.FileHandler):
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log.removeHandler(hdlr)
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log.addHandler(filehandler) # set the new handler
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# set the log level to INFO, DEBUG as the default is ERROR
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log.setLevel(logging.INFO)
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# append current directory
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sys.path.append(os.path.dirname(os.path.abspath(__file__)))
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# import libs
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import import_declare_test
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# import Splunk
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from splunklib.searchcommands import (
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dispatch,
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StreamingCommand,
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Configuration,
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Option,
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validators,
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)
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# Import trackme libs
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from trackme_libs import trackme_reqinfo
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@Configuration(distributed=False)
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class TrackMeExpandTokens(StreamingCommand):
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def stream(self, records):
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# Start performance counter
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start = time.time()
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# Get request info and set logging level
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reqinfo = trackme_reqinfo(
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self._metadata.searchinfo.session_key, self._metadata.searchinfo.splunkd_uri
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)
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log.setLevel(reqinfo["logging_level"])
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def expand_tokens(value, record):
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# Only process if value is a string
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if not isinstance(value, str):
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return value
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result = ""
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i = 0
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while i < len(value):
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if value[i] == "$":
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# Look for closing $
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end = value.find("$", i + 1)
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if end != -1:
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token = value[i + 1 : end]
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# Handle $result.<token_name>$
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if token.startswith("result."):
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token_name = token[7:]
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else:
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token_name = token
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# Replace if token_name exists in record
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if token_name in record:
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replacement = str(record[token_name])
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result += replacement
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else:
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# No replacement, keep as is
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result += "$" + token + "$"
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i = end + 1
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else:
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# No closing $, just add the rest
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result += value[i:]
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break
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else:
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result += value[i]
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i += 1
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return result
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# Process records
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for record in records:
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result_record = {}
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for key in record:
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value = record[key]
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# Expand tokens if value is a string
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expanded_value = expand_tokens(value, record)
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result_record[key] = expanded_value
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yield result_record
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# performance counter
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logging.info(
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f'trackmeexpendtokens has terminated, run_time="{round(time.time() - start, 3)}"'
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)
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dispatch(TrackMeExpandTokens, sys.argv, sys.stdin, sys.stdout, __name__)
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