Office365IPAddress.ps1
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<#PSScriptInfo .VERSION 1.0.2 .GUID e5d18bf9-f775-4a7a-adff-f3da4de7f72f .AUTHOR timmcmic .COMPANYNAME Microsoft .COPYRIGHT .TAGS .LICENSEURI .PROJECTURI .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES .PRIVATEDATA #> <# .DESCRIPTION This script tests to see if an IP address is contained within the Office 365 URL and IP address ranges. #> Param( [Parameter(Mandatory = $false)] [string]$IPAddressToTest="", [Parameter(Mandatory = $true)] [string]$logFolderPath=$NULL ) Function new-LogFile { [cmdletbinding()] Param ( [Parameter(Mandatory = $true)] [string]$logFileName, [Parameter(Mandatory = $true)] [string]$logFolderPath ) [string]$logFileSuffix=".log" [string]$fileName=$logFileName+$logFileSuffix # Get our log file path $logFolderPath = $logFolderPath+"\"+$logFileName+"\" #Since $logFile is defined in the calling function - this sets the log file name for the entire script $global:LogFile = Join-path $logFolderPath $fileName #Test the path to see if this exists if not create. [boolean]$pathExists = Test-Path -Path $logFolderPath if ($pathExists -eq $false) { try { #Path did not exist - Creating New-Item -Path $logFolderPath -Type Directory } catch { throw $_ } } } Function Out-LogFile { [cmdletbinding()] Param ( [Parameter(Mandatory = $true)] $String, [Parameter(Mandatory = $false)] [boolean]$isError=$FALSE ) # Get the current date [string]$date = Get-Date -Format G # Build output string #In this case since I abuse the function to write data to screen and record it in log file #If the input is not a string type do not time it just throw it to the log. if ($string.gettype().name -eq "String") { [string]$logstring = ( "[" + $date + "] - " + $string) } else { $logString = $String } # Write everything to our log file and the screen $logstring | Out-File -FilePath $global:LogFile -Append #Write to the screen the information passed to the log. if ($string.gettype().name -eq "String") { Write-Host $logString } else { write-host $logString | select-object -expandProperty * } #If the output to the log is terminating exception - throw the same string. if ($isError -eq $TRUE) { #Ok - so here's the deal. #By default error action is continue. IN all my function calls I use STOP for the most part. #In this case if we hit this error code - one of two things happen. #If the call is from another function that is not in a do while - the error is logged and we continue with exiting. #If the call is from a function in a do while - write-error rethrows the exception. The exception is caught by the caller where a retry occurs. #This is how we end up logging an error then looping back around. write-error $logString #Now if we're not in a do while we end up here -> go ahead and create the status file this was not a retryable operation and is a hard failure. exit } } #===================================================================================== #Begin main function body. #===================================================================================== #Define function variables. #$logFileName = (Get-Date -Format FileDateTime) $logFileName = $IPAddressToTest.replace(".","-") #Create the log file. new-logfile -logFileName $logFileName -logFolderPath $logFolderPath #Start logging out-logfile -string "*********************************************************************************" out-logfile -string "Start Office365IPAddress" out-logfile -string "*********************************************************************************" |