public/Get-VPASSpecificAuthenticationMethod.ps1

<#
.Synopsis
   GET SPECIFIC AUTHENTICATION METHOD
   CREATED BY: Vadim Melamed, EMAIL: vmelamed5@gmail.com
.DESCRIPTION
   USE THIS FUNCTION TO GET SPECIFIC AUTHENTICATION METHOD INTO CYBERARK
.EXAMPLE
   $AuthenticationMethodJSON = Get-VPASSpecificAuthenticationMethod -AuthMethodSearch {SEARCH QUERY VALUE}
.EXAMPLE
   $AuthenticationMethodJSON = Get-VPASSpecificAuthenticationMethod -AuthMethodID {AUTH METHOD ID VALUE}
.OUTPUTS
   JSON Object (AuthenticationMethod) if successful
   $false if failed
#>

function Get-VPASSpecificAuthenticationMethod{
    [OutputType('System.Object',[bool])]
    [CmdletBinding()]
    Param(

        [Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true,Position=0)]
        [String]$AuthMethodSearch,

        [Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true,Position=1)]
        [String]$AuthMethodID,

        [Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true,Position=2)]
        [hashtable]$token,

        [Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true,Position=3)]
        [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([String]::IsNullOrEmpty($AuthMethodID)){
                Write-Verbose "NO AUTH METHOD ID PROVIDED...INVOKING HELPER FUNCTION TO RETRIEVE UNIQUE AUTH METHOD ID BASED ON SPECIFIED PARAMETERS"
                if($NoSSL){
                    $AuthMethodID = Get-VPASAuthenticationMethodIDHelper -token $token -AuthenticationMethodSearch $AuthMethodSearch -NoSSL
                }
                else{
                    $AuthMethodID = Get-VPASAuthenticationMethodIDHelper -token $token -AuthenticationMethodSearch $AuthMethodSearch
                }
                Write-Verbose "RETURNING AUTH METHOD ID"
            }
            else{
                Write-Verbose "AUTH METHOD ID SUPPLIED, SKIPPING HELPER FUNCTION"
            }


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

            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 AUTHENTICATION METHODS"
            Write-VPASOutput -str $_ -type E
            return $false
        }
    }
    End{

    }
}