Public/Get-VaultTokenAccessors.ps1

<#
    .SYNOPSIS
        This function uses the Vault Server REST API to return a list of Vault Token Accessors.

    .DESCRIPTION
        See .SYNOPSIS

    .NOTES

    .PARAMETER VaultServerBaseUri
        This parameter is MANDATORY.

        This parameter takes a string that represents a Uri referencing the location of the Vault Server
        on your network. Example: "https://vaultserver.zero.lab:8200/v1"

    .PARAMETER VaultAuthToken
        This parameter is MANDATORY.

        This parameter takes a string that represents a Token for a Vault User that has permission to
        lookup Token Accessors using the Vault Server REST API.

    .EXAMPLE
        # Open an elevated PowerShell Session, import the module, and -

        PS C:\Users\zeroadmin> Get-VaultTokenAccessors -VaultServerBaseUri "https://vaultserver.zero.lab:8200/v1" -VaultAuthToken '434f37ca-89ae-9073-8783-087c268fd46f'
        
#>

function Get-VaultTokenAccessors {
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$True)]
        [string]$VaultServerBaseUri, # Should be something like "http://192.168.2.12:8200/v1"

        [Parameter(Mandatory=$True)]
        [string]$VaultAuthToken # Should be something like 'myroot' or '434f37ca-89ae-9073-8783-087c268fd46f'
    )

    if ($PSVersionTable.Platform -eq "Unix" -or $PSVersionTable.OS -match "Darwin" -and $env:SudoPwdPrompt) {
        if (GetElevation) {
            Write-Error "You should not be running the VaultServer Module as root! Halting!"
            $global:FunctionResult = "1"
            return
        }
        RemoveMySudoPwd
        NewCronToAddSudoPwd
        $env:SudoPwdPrompt = $False
    }
    if (!$PSVersionTable.Platform -or $PSVersionTable.Platform -eq "Win32NT") {
        [Net.ServicePointManager]::SecurityProtocol = "tls12, tls11, tls"

        if (!$(GetElevation)) {
            Write-Error "The $($MyInvocation.MyCommand.Name) function must be run from an elevated PowerShell session! Halting!"
            $global:FunctionResult = "1"
            return
        }
    }

    # Make sure $VaultServerBaseUri is a valid Url
    try {
        $UriObject = [uri]$VaultServerBaseUri
    }
    catch {
        Write-Error $_
        $global:FunctionResult = "1"
        return
    }
    if (![bool]$($UriObject.Scheme -match "http")) {
        Write-Error "'$VaultServerBaseUri' does not appear to be a URL! Halting!"
        $global:FunctionResult = "1"
        return
    }

    $IWRSplatParams = @{
        Uri         = "$VaultServerBaseUri/auth/token/accessors"
        Headers     = @{"X-Vault-Token" = "$VaultAuthToken"}
        Body        = @{"list" = "true"}
        Method      = "Get"
    }
    
    $(Invoke-RestMethod @IWRSplatParams).data.keys
}

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