st

<?php

//convert PNG to base64
public function carImgProxy() {
        header('Access-Control-Max-Age:' . 5 * 60 * 1000);
        header("Access-Control-Allow-Origin: *");
        header('Access-Control-Request-Method: *');
        header('Access-Control-Allow-Methods: OPTIONS, GET');
        header('Access-Control-Allow-Headers: *');
        header("Content-Type: application/javascript");

        // Url params |  $this->qs === $_GET
        $url = $this->qs['url']; // user IMG URL input
        $callback = $this->qs['callback']; // not in use atm


        $imageDet = getimagesize($url); //get img details
        if(!$imageDet) die();   //will be false if it's not an img?
        if(empty($imageDet[0]) || empty($imageDet[1])) die();   //check height and width


        // Retrieve file details
        $file_details = $this->get_url_details($url, 1, $callback);

        if (!in_array($file_details["mime_type"], array("image/jpg", "image/jpeg", "image/png")))  {
            print "error:Application error";
        } else  {
            $re_encoded_image = sprintf(
                'data:%s;base64,%s', $file_details["mime_type"], base64_encode($file_details["data"])
            );

            $this->noheader = true;
            $this->nofooter = true;
            $response = $this->renderView("pages/car-designer/proxy.php", ["re_encoded_image" => $re_encoded_image]);

            return $response;
        }


    }

    function get_url_details($url, $attempt = 1, $callback = "")
    {
        $pathinfo = pathinfo($url);

        $max_attempts = 10;

        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_NOBODY, 0);
        //curl_setopt($ch, CURLOPT_PROXY, 'username:password@host:port');
        $data = curl_exec($ch);
        $error = curl_error($ch);

        $mime_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);

        if (!in_array($mime_type, array("image/jpg", "image/jpeg", "image/png")) && $max_attempts != $attempt)
        {
           return false;
           //return get_url_details($url, $attempt++, $callback);
        }

        return array(
            "pathinfo" => $pathinfo,
            "error" => $error,
            "data" => $data,
            "mime_type" => $mime_type
        );
    }