HomeController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Redirect;
use Ixudra\Curl\Facades\Curl;

class HomeController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('auth');
    }

    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        return view('home');
    }

    public function ssoLogin(Request $request){
        //$response = $this->getToken();
        $response = $request->token;

        $token = $response;
        $id = Auth::user()->email;
        $ssokey = "7MpszrQpO95p7H";
        $idAndKey = $id . $ssokey;
        $salt = $this->dumb_base64url_decode($token);
        //dd($salt);
        $hashed = hash_pbkdf2("sha1", $idAndKey, $salt, 1000, 24, true);
        $key = $this->dumb_base64url_encode($hashed);
        $url = 'https://automate.myabsorb.com/Account/ExternalLoginCallback?id='.Auth::user()->email.'&key='.$key;
        return Redirect::to($url);

    }
    public function getToken(){
       $response = Curl::to('https://automate.myabsorb.com/Account/ExternalLogin')
            ->allowRedirect(true)
           ->withContentType('application/json')
            ->get();

       // $response = $response;
        return $response;
    }
    public function getTokens($key){
        $data =[
            'url'=>'https://automate.myabsorb.com/Account/ExternalLoginCallback?id='.Auth::user()->email.'&key='.$key
        ];
        return $data;

       /* try{
            //dd('https://automate.myabsorb.com/Account/ExternalLoginCallback?id=umar.nawab@esipick.com&key='.$key);
        $url = 'https://automate.myabsorb.com/Account/ExternalLoginCallback?id=umar.nawab@esipick.com&key='.$key;
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_HEADER, true);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            $result = curl_exec($ch);
            dd($result);
            if (preg_match('~Location: (.*)~i', $result, $match)) {
                $location = trim($match[1]);
                dd($location);
            }
        } catch (Exception $e) {
            //return json_encode((string)$e->getResponse()->getBody());
        }*/
    }

    function dumb_base64url_encode($bin) {
        return preg_replace_callback(
            '/(=*)$/',
            function($matches){
                return strlen($matches[0]);
            },
            str_replace(
                ['+', '/'],
                ['-', '_'],
                base64_encode($bin)
            ),
            1
        );
    }

    function dumb_base64url_decode($str) {
        return base64_decode(
            str_replace(
                ['-', '_'],
                ['+', '/'],
                substr($str, 0, -1)
            )
        );
    }
}