<?php
  /*
    Nenninger N-Tools.de
    Version 1.1
    
    hermine@THW PHPConnector
    inspiriert von https://gitlab.com/aeberhardt/stashcat-api-client
  */
  

class hermineConnect{
    private $hermineServer = 'https://api.thw-messenger.de';
    //private $hermineServer = 'https://thw.n-tools.de';
    private $connectorID = "";
    private $user = "";
    private $password = "";
    private $passphrase = "";
    private $cURL;
    private $client_key = "";
    private $user_id = "";
    

    function __construct($user,$password,$passphrase) {
      $this->connectorID = base64_encode('deadbeef'.sha1($_SERVER['SERVER_NAME']));
      $this->user = $user;
      $this->password = $password;
      $this->passphrase = $passphrase;
      $this->cURL = curl_init();
    }
    
    function __destruct() {
      curl_close($this->cURL);
    }
    
    function request($_url,$_data){     
      $_data['device_id'] = $this->connectorID;
      if($this->client_key != '')
        $_data['client_key'] = $this->client_key;
        
      print_r($_data);
      curl_setopt($this->cURL, CURLOPT_URL, $_url);
      //curl_setopt($this->cURL, CURLOPT_PORT , 443);
      curl_setopt($this->cURL, CURLOPT_VERBOSE, 0);
      //curl_setopt($this->cURL, CURLOPT_HEADER, 0);
      //curl_setopt($this->cURL, CURLOPT_SSLVERSION, 3);
      //curl_setopt($this->cURL, CURLOPT_SSLCERT, getcwd() . "/client.pem");
      //curl_setopt($this->cURL, CURLOPT_SSLKEY, getcwd() . "/keyout.pem");
      //curl_setopt($this->cURL, CURLOPT_CAINFO, getcwd() . "/ca.pem");
      
      curl_setopt($this->cURL, CURLOPT_SSL_VERIFYPEER, 1);
      curl_setopt($this->cURL, CURLOPT_RETURNTRANSFER, 1);
      curl_setopt($this->cURL, CURLOPT_POST, true);
      //curl_setopt($this->cURL, CURLOPT_BINARYTRANSFER, true);
      curl_setopt($this->cURL, CURLOPT_POSTFIELDS,$_data);
      curl_setopt($this->cURL, CURLOPT_HTTPHEADER, array("Accept: application/json, text/plain, */*","Connection: keep-alive","Keep-Alive: timeout=5, max=100"));
      
      curl_setopt( $this->cURL, CURLOPT_COOKIESESSION, true );
      curl_setopt( $this->cURL, CURLOPT_COOKIEJAR, './hermineConnectCookie.txt' );
      curl_setopt( $this->cURL, CURLOPT_COOKIEFILE, './hermineConnectCookie.txt' );
      
      $data = curl_exec($this->cURL);
      if(!curl_errno($this->cURL)){
        $data = json_decode($data);
        if($data->status->value != "OK")
          print_r($data);
        $info = curl_getinfo($this->cURL);
        return $data->payload;// 'Took ' . $info['total_time'] . ' seconds to send a request to ' . $info['url'];
      } else {
        return false; //echo 'Curl error: ' . curl_error($cURL);
      }
      
      
    }
    
    function open_private_key(){
      $data = [];
      $response = $this->request($this->hermineServer."/security/get_private_key",$data);
      print_r($response->keys->private_key);
      //$privkey_decoded = @openssl_pkey_get_private($private_key, $this->passphrase);
    }
    /*open_private_key(self, encryption_password):
        data = self._post("security/get_private_key", data={})
        private_key_field = json.loads(data["keys"]["private_key"])
        # there might be an unescaping bug here....
        self.private_key = Crypto.PublicKey.RSA.import_key(
            private_key_field["private"], passphrase=encryption_password
        )   */

    
    public function getID(){
		  return $this->connectorID;
    }
    public function login(){
      $data = [
            "email" => $this->user,
            "password" => $this->password,
            "app_name" => 'hermine@thw-php:1.1-browser-0',
            "encrypted" => true,
            "callable" => true
        ];

      $response = $this->request($this->hermineServer."/auth/login",$data);
      if($response !== false){
        $this->client_key = $response->client_key;
        $this->user_id = $response->userinfo->id;
        $this->open_private_key();
        return $response;
      }
    }

    public function get_companies(){
      $data = [
            "no_cache" => true
        ];

      $response = $this->request($this->hermineServer."/company/member",$data);
      if($response !== false){
        return $response;
      }else{
        return false;
      }
    }
  }


$test = new hermineConnect('xxx@n4h.de','xxx','xxxx');
echo $test->getID();
$test->login();
print_r($test);
//print_r($test->get_companies());
?>