Private/Hide-SecretValue.ps1
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Function Hide-SecretValue { <# .SYNOPSIS Hide a secret value by converting it to "******" .DESCRIPTION Matches a pattern in a JSON formatted string which is expected to contain a secret value. Replaces all secret values with "******", and returns a sanitised string. Enables a request body to be included in debug/verbose streams without exposing secret values. .PARAMETER InputValue JSON body of API request .PARAMETER SecretsToRemove Any additional JSON properties which should be sanitised. .PARAMETER Secrets psPAS default JSON properties known to contain secrets .EXAMPLE Remove Secret Values from $String $String = [pscustomobject]@{ "Property"="Value" "Password"="SecretValue" "Secret"="DoNotShareThis" "NewCredentials"="S3cr3t" "NewPassword"="Password123!" "BindPassword"="ABCDE123!" "InitialPassword"="123456" "InnocentProperty"="SomeValue" } | ConvertTo-Json Hide-SecretValue -InputValue $String { "Property": "Value", "Password": "******", "Secret": "******", "NewCredentials": "******", "NewPassword": "******", "BindPassword": "******", "InitialPassword": "******", "InnocentProperty": "SomeValue" } #> [CmdletBinding()] [OutputType('System.String')] param( [parameter( Position = 0, Mandatory = $true, ValueFromPipeline = $true)] [String]$InputValue, [parameter( Mandatory = $false)] [array]$SecretsToRemove = @(), [parameter( Mandatory = $false)] [array]$Secrets = @( "Secret", "Password", "NewCredentials", "NewPassword", "BindPassword", "InitialPassword", "clientSecret" ) ) BEGIN { }#begin PROCESS { $OutputValue = $InputValue #Combine base parameters and any additional parameters to remove ($SecretsToRemove + $Secrets) | ForEach-Object { $OutputValue = $OutputValue -replace "(`"$_`":).+(`",?)", "`$1 `"******`$2" } }#process END { #Return Output $OutputValue }#end } |