Assign-GreenRadiusTemporaryToken.ps1
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function Assign-GreenRadiusTemporaryToken { <# .SYNOPSIS Creates a temp token to for a user. .DESCRIPTION Utilizes the GreenRADIUS API to associate a temp token to a user. Relies on the user not already having such a token assigned. .OUTPUTS $true if successful, $false if not. If not successful, an explanation of the failure will also be passed to Write-Error. .PARAMETER Username The username of the user to which we are assigning the token. This is in username@domain format. This does NOT necessarily use the UPN of the user, but rather the actual domain name as configured in GreenRADIUS, independent of the individual user. .PARAMETER Token The text of the token to assign. This must adhere to the length standard configured within GreenRADIUS, and the last 6 characters cannot be numeric, for some reason. If left blank, a password will be generated for you. This is preferred. In this version of this function, the password will be two alphanumeric characters, followed by 6 numeric characters. .PARAMETER ExpireOn The date, in plain English, through which the token should be valid. The token will be valid until 11:59:59 PM on the date specified, in UTC time. This is a limitation of GreenRADIUS; temporary tokens must ALWAYS expire at 23:59:59 UTC. Format examples are: February 5, 2025 (it doesn't like "3rd" so just do the number) Feb 5, 2026 2026-02-05 03/04/2026 For timezones "before" UTC, such as in the Americas, this means that tokens will expire on the previous day, and for timezones "after" UTC, such as Eastern Europe, they will expire some time during the specified day. For example, in Pacific Time, if a token is set to expire on February 3, 2026, then it will actually expire at around 4 or 5 PM on February 2nd instead, a full 7 or 8 hours before what is specfied. If left blank, then the expiry will be set to the very next midnight in UTC time. .PARAMETER MaximumUses The number of times that the user is allowed to use the token. Defaults to 5. .PARAMETER RawRequest Variable name, without the dollar sign, in which to store the raw request which was created and sent to the API. This does not need to be a pre-existing variable. Mostly used for debugging this function. .PARAMETER RawResponse Variable name, without the dollar sign, in which to store the raw response from the API. This does not need to be a pre-existing variable. Mostly used for debugging this function. .NOTES Version 2026.02.09.1446 #> <# LICENSE Copyright (c) 2026 Derek Howard and the City of Eureka, California Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, and/or distribute copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software, and the original author shall be credited as having created the original work. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #> [CmdletBinding()] param ( [Parameter(Mandatory=$true)] [string]$Username, [string]$Token, [string]$ExpireOn, [int]$MaximumUses=5, [string]$RawRequest, [string]$RawResponse ) if (-not $global:GreenRadiusApiSession) { Write-Error "You forgot to run Connect-GreenRadiusApi!" return $false; } if ($Token) { $newToken = $Token } else { $alphaChars = 'abcdefghkmnprstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ@#$%&*=+?' $alphanumericChars = $alphaChars + '2345689' $tokenPart1 = -join (1..2 | ForEach-Object { $alphanumericChars[(Get-Random -Maximum $alphanumericChars.Length)] }) $tokenPart2 = -join (1..6 | ForEach-Object { $alphaChars[(Get-Random -Maximum $alphaChars.Length)] }) $newToken = $tokenPart1 + $tokenPart2 } if ($ExpireOn) { $endOfDay = $(Get-Date $ExpireOn -AsUTC).Date.AddDays(1).AddSeconds(-1) } else { $endOfDay = $(Get-Date -AsUTC).Date.AddDays(1).AddSeconds(-1) } $expiryTimestamp = ([DateTimeOffset]$endOfDay).ToUnixTimeSeconds() $Body = @{ temporary_tokens = @( @{ username = $Username temporary_token = $newToken count_of_max_auth = $MaximumUses expiry_date = $expiryTimestamp } ) } $Params = @{ Uri = "https://$($global:GreenRadiusApiSession.HostName)/gras-api/v2/mgmt/temporary-tokens" Method = "Post" Credential = $global:GreenRadiusApiSession.Credential Body = ($Body | ConvertTo-Json -Depth 5) ContentType = "application/json" } if ($RawRequest) { Set-Variable -Name $RawRequest -Value $apiResult -Scope 1 } $apiResult = Invoke-RestMethod @Params if ($apiResult.GetType().Name -eq "String") { #This only seems necessary for the /tokenassignment api (used in Get-GreenRadiusTokenAssignments) #and even then only when no search parameters are specified, but here we go anyway $apiResult = $apiResult | ConvertFrom-Json -AsHashTable } if ($RawResponse) { Set-Variable -Name $RawResponse -Value $apiResult -Scope 1 } if ($apiResult.records_created.Count -gt 0) { $expiryDate = ([System.DateTimeOffset]::FromUnixTimeSeconds($expiryTimestamp)).LocalDateTime Write-Host "Assigned temporary token $newToken to user $Username. Valid for $MaximumUses uses, expires on $expiryDate." return $true } else { if ($apiResult.records_skipped.Count -gt 0) { Write-Error $apiResult.records_skipped.records.output.description } elseif ($apiResult.records_invalid.Count -gt 0) { Write-Error $apiResult.records_invalid.records.output.description } return $false } } |