Vion Cocoon

<?php
    /*
    Plugin Name: Vion : Cocoon
    Version: 1.0.0
    Description: Retrieves images from Cocoon media
    Author: M. Dekker
    Author URI: http://www.totaldesign.com
    Text-domain: vion-cocoon
    */

    if ( ! defined( 'ABSPATH' ) ) {
        exit;
    } // Exit if accessed directly

    if ( ! class_exists( 'VionCocoon' ) ) {

        class VionCocoon {

            var $wsdl;
            var $bb;
            var $user;  // Provided by Cocoon
            var $sk;    // Provided by Cocoon

            var $filters = array();

            function __construct() {

                $this->wsdl     = getenv( 'COCOON_API_WSDL' );
                $this->bb       = getenv( 'COCOON_API_DOMAIN' );
                $this->user     = getenv( 'COCOON_API_USERNAME' );
                $this->sk       = getenv( 'COCOON_API_SECRET' );
                $this->settings = array(
                    'path'    => trailingslashit( dirname( __FILE__ ) ),
                    'version' => '1.0.0',
                );

                try {
                    $this->authenticate();
                } catch ( SoapFault $e ) {
                    // throw error ?
                }

            }

            /**
             * @throws SoapFault
             */
            function authenticate() {
                $requestId = (string)microtime( true ); //Something unique

                // create hash
                $hash = $this->get_request_hash( $requestId );

                $oAuth            = new stdClass;
                $oAuth->username  = $this->user;
                $oAuth->requestId = $requestId;
                $oAuth->hash      = $hash;

                //Init client
                $soap_connection = new SoapClient( $this->wsdl );
                $soap_connection->__setSoapHeaders( new SoapHeader( 'auth', 'authenticate', $oAuth ) );

                try {
                    return $soap_connection;
                }
                catch ( SoapFault $oSoapFault ) {
                    error_log( $oSoapFault->faultcode, $oSoapFault->getMessage() );
                    // var_dump( $oSoapFault->faultcode, $oSoapFault->getMessage() );

                }

            }

            /**
             * Hash a string
             *
             * @param $request_id
             *
             * @return string
             */
            function get_request_hash( $request_id ) {
                $concatString = $this->bb . $this->user . $request_id . $this->sk;
                $hash         = sha1( $concatString );

                return $hash;
            }


            /**
             * Get image url from Cocoon media lib
             *
             * @param bool $image_id
             *
             * @return bool|string
             */
            function get_image( $image_id, $size ) {

                $soap       = $this->authenticate();
                $file_name  = false;
                $image_info = $soap->getFile( $image_id );
                $image_path = 'files/' . $size . '/';

                if ( is_array( $image_info ) && isset( $image_info[ 'filename' ] ) ) {
                    $file_name = ( is_array( $image_info ) && isset( $image_info[ 'filename' ] ) ) ? $image_info[ 'filename' ] : false;
                }

                $image_url = 'https://vionfoodgroup.use-cocoon.com/' . $image_path . $file_name . '.' . $image_info[ 'extension' ];

                return $image_url;
            }

            /**
             * return the one true VionCocoon instance
             *
             * @return VionCocoon
             */
            public static function get_instance() {
                static $instance;

                if ( $instance === null ) {
                    $instance = new self();
                }

                return $instance;
            }

        }

        // initialize
        VionCocoon::get_instance();

    }