xero-plugin-wordpress/storage.php

<?php
namespace Biukop;

class StorageClass
{
    private $oauth2 = [];
    private $oauth2state = "";
	function __construct() {
        \Carbon_Fields\Carbon_Fields::boot();
		// if( !isset($_SESSION) ){
        // 	$this->init_session();
    	// }
   	}

    public function read_value() {
        $this->oauth2state =  carbon_get_theme_option("xero_oauth2state");
        $this->oauth2["token"] = carbon_get_theme_option("xero_token");
        $this->oauth2["refresh_token"] = carbon_get_theme_option("xero_refresh_token");
        $this->oauth2["expires"] = carbon_get_theme_option("xero_expires");
        $this->oauth2["tenant_id"] = carbon_get_theme_option("xero_tenant_id");
        $this->oauth2["id_token"] = carbon_get_theme_option("xero_id_token");

        $this->oauth2['expires_human'] = $this->getExpiresHuman($this->oauth2["expires"]);
    }

   	public function init_session(){
    	 // session_start();
	}

    public function getSession() {
        return $this->oauth2;
    	// return $_SESSION['oauth2'];
    }

 	public function startSession($token, $secret, $expires = null)
	{
       	// session_start();
	}

	public function setToken($token, $expires = null, $tenantId, $refreshToken, $idToken)
	{
	    // $_SESSION['oauth2'] = [
	    //     'token' => $token,
	    //     'expires' => $expires,
	    //     'tenant_id' => $tenantId,
	    //     'refresh_token' => $refreshToken,
	    //     'id_token' => $idToken
	    // ];

	    $this->oauth2 = [
	        'token' => $token,
	        'expires' => $expires,
	        'tenant_id' => $tenantId,
	        'refresh_token' => $refreshToken,
	        'id_token' => $idToken,
            'expires_human' => $this->getExpiresHuman($expires)
	    ];
        
        carbon_set_theme_option("xero_token", $token);
        carbon_set_theme_option("xero_refresh_token", $refreshToken);
        carbon_set_theme_option("xero_expires", $expires);
        carbon_set_theme_option("xero_tenant_id", $tenantId);
        carbon_set_theme_option("xero_id_token", $idToken);
        carbon_set_theme_option("xero_expires_human", $this->getExpiresHuman($expires));

	}

    public function getOauth2State() {
        $this->oauth2state =  carbon_get_theme_option("xero_oauth2state");
        return $this->oauth2state;
    }

    public function setOauth2State($state) {
        $this->oauth2state = $state;
        carbon_set_theme_option("xero_oauth2state", $state);
    }


    private function getExpiresHuman($time_stamp) {
        $expire = date("Y-m-d H:i:s", $time_stamp);
        $utc_date = \DateTime::createFromFormat(
            "Y-m-d H:i:s", 
            $expire,
            new \DateTimeZone('UTC')
        );

        $sydney_date = $utc_date;
        $sydney_date->setTimeZone(new \DateTimeZone('Australia/Sydney'));
        $str = $sydney_date->format("Y-m-d H:i:s");
        return $str;
    }    

	public function getToken()
	{
	    //If it doesn't exist or is expired, return null
	    // if (empty($this->getSession())
	    //     || ($_SESSION['oauth2']['expires'] !== null
	    //     && $_SESSION['oauth2']['expires'] <= time())
	    // ) {
	    //     return null;
	    // }
	    // return $this->getSession();

        if ( $this->oauth2['expires'] !== null && $this->oauth2['expires'] <= time() ) {
            return null;
        }
        return $this->oauth2;
	}

	public function getAccessToken()
	{
	    //return $_SESSION['oauth2']['token'];
        return $this->oauth2['token'];
	}

	public function getRefreshToken()
	{
	    // return $_SESSION['oauth2']['refresh_token'];
        return $this->oauth2['refresh_token'];
	}

	public function getExpires()
	{
	    //return $_SESSION['oauth2']['expires'];
        return $this->oauth2['expires'];
	}

	public function getXeroTenantId()
	{
	    //return $_SESSION['oauth2']['tenant_id'];
        return $this->oauth2['tenant_id'];
	}

	public function getIdToken()
	{
	    // return $_SESSION['oauth2']['id_token'];
        return $this->oauth2['id_token'];
	}

	public function getHasExpired()
	{
		if (!empty($this->getSession()))
		{
			if(time() > $this->getExpires())
			{
				return true;
			} else {
				return false;
			}
		} else {
			return true;
		}
	}
}
?>