Public/New-DummyJWT.ps1
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function New-DummyJWT { [CmdletBinding()] Param( [Parameter(Mandatory = $false)] [System.Collections.Hashtable] $Header = @{ alg = "RS256" typ = "JWT" }, [Parameter(Mandatory = $false)] [String] $Aud = "https://graph.microsoft.com", [Parameter(Mandatory = $false)] [String] $Iss = "https://sts.windows.net/00000000-0000-0000-0000-000000000000/", [Parameter(Mandatory = $false)] [String] $Sub = "00000000-0000-0000-0000-000000000000", [Parameter(Mandatory = $false)] [String] $Jti = [Guid]::NewGuid().ToString(), [Parameter(Mandatory = $false)] [Int] $Nbf = [DateTimeOffset]::UtcNow.ToUnixTimeSeconds(), [Parameter(Mandatory = $false)] [Int] $Exp = [DateTimeOffset]::UtcNow.AddMinutes(60).ToUnixTimeSeconds(), [Parameter(Mandatory = $false)] [Int] $Iat = [DateTimeOffset]::UtcNow.ToUnixTimeSeconds(), [Parameter(Mandatory = $false)] [System.Collections.Hashtable] $OtherClaims = @{} ) Process { $payload = @{ aud = $Aud iss = $Iss sub = $Sub jti = $Jti nbf = $Nbf exp = $Exp iat = $Iat } if($PSCmdlet.MyInvocation.BoundParameters.ContainsKey('OtherClaims') -and $OtherClaims.Count -gt 0) { $OtherClaims.GetEnumerator() | ForEach-Object { $payload[$_.Key] = $_.Value } } $headerJson = ($Header | ConvertTo-Json -Compress).ToString() $payloadJson = ($payload | ConvertTo-Json -Compress).ToString() $headerEncoded = [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($headerJson)).TrimEnd('=').Replace('+', '-').Replace('/', '_') $payloadEncoded = [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($payloadJson)).TrimEnd('=').Replace('+', '-').Replace('/', '_') Write-Verbose "Generated Dummy JWT with payload: $payloadJson" return "$headerEncoded.$payloadEncoded.DUMMYSIGNATURE" } } |