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3b9da8eb0e
Wenn ein Filter nicht Matched (Regex) kommt False Wenn es gar keinen Filter gibt, kommt ein falsches True. Muss auch False sein.
99 lines
2.7 KiB
Python
99 lines
2.7 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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"""
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Functions for the RegEX filter
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@author: Bastian Schroll
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@requires: Configuration has to be set in the config.ini
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"""
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import logging # Global logger
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import re #Regex for Filter Check
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from includes import globalVars # Global variables
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from includes.helper import freqConverter # converter functions
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# local variables
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filterList = []
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def loadFilters():
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"""
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load all filters from the config.ini into filterList
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@requires: Configuration has to be set in the config.ini
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@return: nothing
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"""
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global filterList
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try:
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logging.debug("loading filters")
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# For each entry in config.ini [Filters] section
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for key,val in globalVars.config.items("Filters"):
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logging.debug(" - %s = %s", key, val)
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filterData = val.split(";")
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# resolve the * for freqToHz()
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if not filterData[3] == "*":
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filterData[3] = freqConverter.freqToHz(filterData[3])
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# insert splitet data into filterList
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filterList.append({"name": key, "typ": filterData[0], "dataField": filterData[1], "plugin": filterData[2], "freq": filterData[3], "regex": filterData[4]})
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except:
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logging.error("cannot read config file")
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logging.debug("cannot read config file", exc_info=True)
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return
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def checkFilters(typ, data, plugin, freq):
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"""
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Check the Typ/Plugin combination with the RegEX filter
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If no filter for the combination is found, function returns True.
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@type typ: string (FMS|ZVEI|POC)
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@param typ: Typ of the dataset
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@type data: map of data (structure see readme.md in plugin folder)
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@param data: Contains the parameter
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@type plugin: string
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@param plugin: Name of the plugin to checked
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@type freq: string
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@param freq: frequency of the SDR Stick
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@requires: all filters in the filterList
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@return: nothing
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"""
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global filterList
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try:
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logging.debug("search Filter for %s to %s at %s Hz", typ, plugin, freq)
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foundFilter = False
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# go to all filter in filterList
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for i in filterList:
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# if typ/plugin/freq combination is found
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if i["typ"] == typ and (i["plugin"] == plugin or i['plugin'] == "*") and (i["freq"] == freq or i['freq'] == "*"):
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foundFilter = True
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logging.debug("found Filter: %s = %s", i["name"], i["regex"])
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# Check the RegEX
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if re.search(i["regex"], data[i["dataField"]]):
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logging.debug("Filter passed: %s", i["name"])
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return True
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else:
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logging.debug("Filter not passed: %s", i["name"])
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if foundFilter:
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logging.debug("no Filter passed")
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return False
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else:
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logging.debug("no Filter found")
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return False
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except:
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logging.error("Error in filter checking")
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logging.debug("Error in filter checking", exc_info=True)
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# something goes wrong, data will path
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return True
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