scripts/Update-IdentityNowUserSourceAccount.ps1

function Update-IdentityNowUserSourceAccount {
    <#
.SYNOPSIS
Update an IdentityNow User Account on a Flat File Source.
 
.DESCRIPTION
Update an IdentityNow User Account on a Flat File Source
 
.PARAMETER account
(required) Id of the Account to Update. e.g 2c91808365bd1f010165caf761625bcd
 
.PARAMETER update
(required - JSON) Account changes to update account
{
    "department": "Identity Architects",
    "organization": "Kloud",
    "country": "Australia"
}
 
.EXAMPLE
Update-IdentityNowUserSourceAccount -account 2c91808365bd1f010165caf761625bcd -update "{"department": "Identity Architects","organization": "Kloud","country": "Australia"}"
 
.Example
    $user = Search-IdentityNowUsers -query "@accounts(accountId:darrenjrobinson)"
    $userIndirectAccounts = $user.accounts | select-object | where-object {($_.source.type.contains("DelimitedFile"))}
    $account = $userIndirectAccounts[0].id
    $update = @{"country" = "Australia"; "department" = "Identity Architects"; "organization" = "Kloud"} | ConvertTo-Json
 
    Update-IdentityNowUserSourceAccount -account $account -update $update
 
.LINK
http://darrenjrobinson.com/sailpoint-identitynow
 
#>


    [cmdletbinding()]
    param(
        [Parameter(Mandatory = $true, ValueFromPipeline = $true)]
        [string]$account,
        [Parameter(Mandatory = $true, ValueFromPipeline = $true)]
        [string]$update
    )

    # IdentityNow Admin User
    $adminUSR = [string]$IdentityNowConfiguration.AdminCredential.UserName.ToLower()
    $adminPWDClear = [System.Runtime.InteropServices.marshal]::PtrToStringAuto([System.Runtime.InteropServices.marshal]::SecureStringToBSTR($IdentityNowConfiguration.AdminCredential.Password))
    # Generate the password hash
    # Requires Get-Hash from PowerShell Community Extensions (PSCX) Module
    # https://www.powershellgallery.com/packages/Pscx/3.2.2
    $passwordHash = Get-Hash -Algorithm SHA256 -StringEncoding utf8 -InputObject ($($adminPWDClear) + (Get-Hash -Algorithm SHA256 -StringEncoding utf8 -InputObject ($adminUSR)).HashString.ToLower())
    $adminPWD = $passwordHash.ToString().ToLower() 

    # Qantas-SB
    $clientSecretv3 = [System.Runtime.InteropServices.marshal]::PtrToStringAuto([System.Runtime.InteropServices.marshal]::SecureStringToBSTR($IdentityNowConfiguration.v3.Password))
    # Basic Auth
    $Bytesv3 = [System.Text.Encoding]::utf8.GetBytes("$($IdentityNowConfiguration.v3.UserName):$($clientSecretv3)")
    $encodedAuthv3 = [Convert]::ToBase64String($Bytesv3)
    $Headersv3 = @{Authorization = "Basic $($encodedAuthv3)" }

    # Get v3 oAuth Token
    # oAuth URI
    $oAuthURI = "https://$($IdentityNowConfiguration.orgName).api.identitynow.com/oauth/token"
    $v3Token = Invoke-RestMethod -Method Post -Uri "$($oAuthURI)?grant_type=password&username=$($adminUSR)&password=$($adminPWD)" -Headers $Headersv3 -SessionVariable IDNv3

    if ($v3Token.access_token) {
        try {                         
            $updateAccount = Invoke-RestMethod -Method Patch -Uri "https://$($IdentityNowConfiguration.orgName).api.identitynow.com/v2/accounts/$($account)?org=$($IdentityNowConfiguration.orgName)" -Headers @{Authorization = "$($v3Token.token_type) $($v3Token.access_token)"; "Content-Type" = "application/json"} -Body $update
            return $updateAccount           
        }
        catch {
            Write-Error "User not found. Update failed. $($_)" 
        }
    }
    else {
        Write-Error "Authentication Failed. Check your AdminCredential and v3 API ClientID and ClientSecret. $($_)"
        return $v3Token
    } 
}