public/Get-VPASAllowedReferrer.ps1

<#
.Synopsis
   GET ALLOWED REFERRERS
   CREATED BY: Vadim Melamed, EMAIL: vmelamed5@gmail.com
.DESCRIPTION
   USE THIS FUNCTION TO GET ALLOWED REFERRERS FROM CYBERARK
.PARAMETER NoSSL
   If the environment is not set up for SSL, API calls will be made via HTTP not HTTPS (Not Recommended!)
.PARAMETER token
   HashTable of data containing various pieces of login information (PVWA, LoginToken, HeaderType, etc).
   If -token is not passed, function will use last known hashtable generated by New-VPASToken
.EXAMPLE
   $AllowedReferrersJSON = Get-VPASAllowedReferrer
.OUTPUTS
   JSON Object (AllowedReferrer) if successful
   $false if failed
#>

function Get-VPASAllowedReferrer{
    [OutputType('System.Object',[bool])]
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true,Position=0)]
        [hashtable]$token,

        [Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true,Position=1)]
        [Switch]$NoSSL

    )

    Begin{
        $tokenval,$sessionval,$PVWA,$Header,$ISPSS,$IdentityURL = Get-VPASSession -token $token
    }
    Process{

        Write-Verbose "SUCCESSFULLY PARSED PVWA VALUE"
        Write-Verbose "SUCCESSFULLY PARSED TOKEN VALUE"

        try{

            if($NoSSL){
                Write-Verbose "NO SSL ENABLED, USING HTTP INSTEAD OF HTTPS"
                $uri = "http://$PVWA/passwordvault/api/Configuration/AccessRestriction/AllowedReferrers"
            }
            else{
                Write-Verbose "SSL ENABLED BY DEFAULT, USING HTTPS"
                $uri = "https://$PVWA/passwordvault/api/Configuration/AccessRestriction/AllowedReferrers"
            }

            write-verbose "MAKING API CALL TO CYBERARK"

            if($sessionval){
                $response = Invoke-RestMethod -Headers @{"Authorization"=$Header} -Uri $uri -Method GET -ContentType "application/json" -WebSession $sessionval
            }
            else{
                $response = Invoke-RestMethod -Headers @{"Authorization"=$Header} -Uri $uri -Method GET -ContentType "application/json"
            }
            Write-Verbose "RETURNING JSON OBJECT"
            return $response
        }catch{
            Write-Verbose "UNABLE TO GET ALLOWED REFERRERS"
            Write-VPASOutput -str $_ -type E
            return $false
        }
    }
    End{

    }
}