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"""
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NTRS-TopSenderAnalysis
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Created by:
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Emanuel Borges
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09.20.2023
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Very simple program that will read multiple CSV files and export a report based on LanID and other general information.
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To-Do: Method to QC for any parsing errors. There should be the same number of fields across all of the CSVs.;
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"""
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import csv, os, re
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class TopSendersAnalyzer(object):
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version = "0.05"
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def __init__(self):
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self.startDir = r"C:\Users\eborges\Documents\Cases\Northern Trust\20230919 - FileNetTopSenderAnalysis-Req"
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#self.startDir = r"C:\Users\eborges\Documents\Cases\Northern Trust\20230919 - FileNetTopSenderAnalysis-Req\_LocalVersion\2023-08-14 FileNet Messages Delete Project - Top sender analysis\8_14_2023\xact_report_Dec_2014_CSV"
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## All possible email addresses across all CSV files
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self.allPossibleEmailAddressesSet = set()
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self.allPossibleEmailAddressesOutputFileName = r"C:\Users\eborges\Documents\Cases\Northern Trust\Extracted_AllEmailAddresses_All-CSVs.txt"
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## All email addresses with an @NTRS.COM domain. Currently unsupported.
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#self.allToNtrsAddressesSet = set()
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#self.allToNtrsAddressesOutputFileName = r""
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## All true NTRS LAN ID matches, per specification provided to me.
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self.trueLanIdAddressesSet = set()
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self.trueLanIdAddressesOutputFileName = r"C:\Users\eborges\Documents\Cases\Northern Trust\Extracted_TRUE_LanAddresses.txt"
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## False positive NTRS LAN ID matches, per specification provided to me. Close but just outside of specification. (for analysis)
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self.falsePositiveLanIdAddressesSet = set()
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self.falsePositiveLanIdAddressesOutputFileName = r"C:\Users\eborges\Documents\Cases\Northern Trust\Extracted_FALSE-POSTIVE_LanAddresses.txt"
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#self.lanIdRegExPattern = '[A-Za-z]{2}[0-9]{2,3}@NTRS.COM'
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self.lanIdRegExPattern = '[A-Za-z]{1,15}[0-9]{1,3}@NTRS.COM'
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## Simple match to pull out the date as recorded in the path
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self.dateInPathRegExPattern = '2023-[0-9]{2}-[0-9]{2}'
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## Match for pulling out all email addresses, regardless of domain.
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#self.allPossibleEmailAddressesRegExPattern = '([A-Za-z0-9]+[.-_])*[A-Za-z0-9]+@[A-Za-z0-9-]+(\.[A-Z|a-z]{2,})+'
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#self.allPossibleEmailAddressesRegExPattern = """(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])"""
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#self.allPossibleEmailAddressesRegExPattern = r"([-!#-'*+/-9=?A-Z^-~]+(\.[-!#-'*+/-9=?A-Z^-~]+)*|\"([]!#-[^-~ \t]|(\\[\t -~]))+\")@([-!#-'*+/-9=?A-Z^-~]+(\.[-!#-'*+/-9=?A-Z^-~]+)*|\[[\t -Z^-~]*])"
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#self.allPossibleEmailAddressesRegExPattern = r"[\w\.-]+@[\w\.-]+\.\w+"
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self.allPossibleEmailAddressesRegExPattern = r"[\w.+-]+@[\w-]+\.[\w.-]+"
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def AnalyzeTopSenders(self, writeTrueLanIDLogFile = False, writeFalsePositiveLanIDLogFile = False, writeAllPossibleEmailAddressesLogFile = False):
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"""Main Method in this program"""
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for (root,dirs,files) in os.walk(self.startDir):
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for fl in files:
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fileRowCount = 0
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eightyCharRowCount = 0
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nonEightyCharRowCount = 0
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charsOverEighty = False
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noNtrsDomainBucketCount = 0
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ntrsAndLanBucketCount = 0
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ntrsNoLanBucketCount = 0
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dateInPath = re.findall(self.dateInPathRegExPattern, root)
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allEmailAddressesInCSVSet = set()
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with open(os.path.join(root,fl),mode='r',encoding='ANSI') as csv_file:
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csv_reader = csv.DictReader(csv_file)
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for row in csv_reader:
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fileRowCount += 1
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if len(row['To']) == 80:
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eightyCharRowCount +=1
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else:
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nonEightyCharRowCount +=1
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if len(row['To']) > 80:
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charsOverEighty = True
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toValue = row['To']
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toValue = toValue.upper()
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## Match and gather all possible email addresses, adding it to the per CSV set.
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allEmailAddresses = re.findall(self.allPossibleEmailAddressesRegExPattern, toValue)
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for eAddress in allEmailAddresses:
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allEmailAddressesInCSVSet.add(eAddress)
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## Perform the main logic tests
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if "NTRS.COM" in toValue:
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## The domain was found. Apply next test.
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ntrsLanAddressesList = re.findall(self.lanIdRegExPattern, toValue)
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ntrsLanIDTrueTestResult = self.LanIDTrueTest(ntrsLanAddressesList)
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if ntrsLanIDTrueTestResult:
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## At least 1 LAN ID was found, using the True Test
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ntrsAndLanBucketCount +=1
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#for a in ntrsLanAddressesList:
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# allToLanAddressesSet.add(a)
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else:
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## Not 1 true LAN ID was found, using the True Test
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ntrsNoLanBucketCount +=1
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else:
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## No ntrs addresses found at all,
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noNtrsDomainBucketCount +=1
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print(f"{fl}|{dateInPath}|{fileRowCount}|{eightyCharRowCount}|{nonEightyCharRowCount}|{charsOverEighty}|{len(allEmailAddressesInCSVSet)}|{noNtrsDomainBucketCount}|{ntrsAndLanBucketCount}|{ntrsNoLanBucketCount}")
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csv_file.close()
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## Update the global all email addresses set, if they selected this option
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if writeAllPossibleEmailAddressesLogFile:
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self.allPossibleEmailAddressesSet.update(allEmailAddressesInCSVSet)
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if writeTrueLanIDLogFile:
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print("Writing the True LAN ID log file...")
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self.WriteLogFile(self.trueLanIdAddressesSet, self.trueLanIdAddressesOutputFileName)
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print("Done.\n")
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if writeFalsePositiveLanIDLogFile:
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print("Writing the False-Positive LAN ID log file...")
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self.WriteLogFile(self.falsePositiveLanIdAddressesSet, self.falsePositiveLanIdAddressesOutputFileName)
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print("Done.\n")
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if writeAllPossibleEmailAddressesLogFile:
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print("Writing the All Possible Email Addresses Across All CSV Files log file...")
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self.WriteLogFile(self.allPossibleEmailAddressesSet, self.allPossibleEmailAddressesOutputFileName)
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print("Done.\n")
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def LanIDTrueTest(self, listOfIds):
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"""A need for a more complicated LAN ID test was needed. Returns True if at least 1 true LAN ID is found in the list."""
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lanIDTestResult = False
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for lanID in listOfIds:
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alphaOnly = [x.lower() for x in lanID if x.isalpha()]
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if len(alphaOnly) > 10:
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## I'm too big to be a true LAN ID
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self.falsePositiveLanIdAddressesSet.add(lanID)
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else:
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self.trueLanIdAddressesSet.add(lanID)
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lanIDTestResult = True
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return lanIDTestResult
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def WriteLogFile(self, setOfValues, outputFilePath):
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"""Takes a Set containing values, sorts these, and then writes them to the given outputFilePath)"""
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fileNameInc = 0
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while os.path.isfile(outputFilePath):
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fileNameInc +=1
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outputFile, extension = os.path.splitext(outputFilePath)
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outputFilePath = outputFile + str(fileNameInc) + extension
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outFl = open(outputFilePath,'w')
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tempList = list(setOfValues)
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tempList.sort()
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for i in tempList:
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outFl.write(f"{i}\n")
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outFl.close()
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if __name__ == '__main__':
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tsa = TopSendersAnalyzer()
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tsa.AnalyzeTopSenders(writeTrueLanIDLogFile = True, writeFalsePositiveLanIDLogFile = True, writeAllPossibleEmailAddressesLogFile = True)
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#print(f"There are {len(allToLanAddressesSet)} unique LAN ID addresses.")
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#outputFile = open(r"C:\Users\eborges\Documents\Cases\Northern Trust\ExtractedLanAddresses.txt",'w')
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#allToLanAddressesList = list(allToLanAddressesSet)
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#allToLanAddressesList.sort()
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#for i in allToLanAddressesList:
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# outputFile.write(f"{i}\n")
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#outputFile.close()
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## Initially gathering some very basic information across the CSV files, not using csv lib
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# for (root,dirs,files) in os.walk(r"C:\Users\eborges\Documents\Cases\Northern Trust"):
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# for fl in files:
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# contents = open(os.path.join(root,fl), encoding='ANSI').readlines()
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# print(f"{fl}|{len(contents)-1}") |
