WixClient.php

<?php
/**
 * Created by PhpStorm.
 * User: Antonshell
 * Date: 31.08.2015
 * Time: 14:40
 */

/**
 * Class WixService
 */
class WixClient{

    private $app_key;
    private $secret;

    /**
     * @param $app_key
     * @param $secret
     */
    public function __construct($app_key,$secret){
        $this->app_key = $app_key;
        $this->secret = $secret;
    }

    /**
     * @return mixed|string
     */
    public function getContactsList(){
        $wixClient = new WixSDK($this->app_key,$this->secret);
        $wixInfo = $wixClient->get_wix_json();
        $data = $wixClient->get_contacts($wixInfo->instanceId);
        $data = json_decode($data,true);
        return $data;
    }

    /**
     * @param $contactId
     * @return mixed|string
     */
    public function getContactById($contactId){
        //$contactId = '2b56621f-be44-419b-975b-67a57a0e0082';
        $wixClient = new WixSDK($this->app_key,$this->secret);
        $wixInfo = $wixClient->get_wix_json();
        $data = $wixClient->get_contact($wixInfo->instanceId,$contactId);
        $data = json_decode($data,true);
        return $data;
    }

    public function createContact(){

        $data = [
            "emails"=>[
                "tag"=>"work",
                "email"=>"karen_meep@wix.com",
                "emailStatus"=>"recurring"
            ]
        ];

        $wixClient = new WixSDK($this->app_key,$this->secret);
        $wixInfo = $wixClient->get_wix_json();

        $result = $wixClient->create_contact($wixInfo->instanceId,$data);
        return $result;
    }
}

WixSDK.php

<?php


/**
* Wix simple working php sdk 
* ransom1538@gmail.com
*/

class WixSDK{

    public $secret;
    public $app_key;

    function __construct($app_key, $secret)
    {
        $this->secret = $secret;
        $this->app_key = $app_key;
    }

    public function get_signature_timestamp(){
        $ts = date('Y-m-d\TH:i:s') . substr(microtime(), 1, 4) . 'Z';
        return $ts;
    }

    public function encode_signature_custom( $instance_id, $method, $request_path, $query_params, $post_params, $body = '')
    {
        $request_params = array_merge($query_params, $post_params);

        ksort($request_params);
        $signature_string = strtoupper($method) . "\n$request_path\n";
        foreach ($request_params as $request_param)
        {
            switch(gettype($request_param))
            {
                case 'boolean':
                    $signature_string .= $request_param ? "true\n" : "false\n";
                    break;
                default:
                    $signature_string .= strval($request_param) . "\n";
                    break;
            }
        }
        $signature_string = trim($signature_string);

        if($body != NULL && strlen($body) > 0) {
            $signature_string .= "\n" . $body;
        }

        $encoded_signature = strtr(base64_encode(hash_hmac("sha256", $signature_string, $this->secret , TRUE)), '+/', '-_');
        while(substr($encoded_signature, -1) == '=')
        {
            $encoded_signature = substr($encoded_signature, 0, -1);
        }

        return array('sig' => $encoded_signature, 'signature_string' => $signature_string);
    }

    public function encode_signature( $instance_id, $method, $request_path, $query_params, $post_params, $body = '')
    {
        //This form of timestamp was posted on the communties however it doesnt' work
        //and causes: Required parameter/header [timestamp/x-wix-timestamp] has illegal value [2014-11-10T17:23:10-06:00]
        //$ts = date('Y-m-d\TH:i:s') . substr(microtime(), 1, 4) . 'Z';
        $ts = $this->get_signature_timestamp();

        $request_params = array_merge($query_params, $post_params);
        $request_params['application-id'] = $this->app_key;
        $request_params['instance-id'] = $instance_id;
        $request_params['timestamp'] = $ts;
        $request_params['version'] = "1.0.0";

        if($body){
            $request_params['version'] = "2.0.0";
        }


        ksort($request_params);
        $signature_string = strtoupper($method) . "\n$request_path\n";
        foreach ($request_params as $request_param)
        {
            switch(gettype($request_param))
            {
                case 'boolean':
                    $signature_string .= $request_param ? "true\n" : "false\n";
                    break;
                default:
                    $signature_string .= strval($request_param) . "\n";
                    break;
            }
        }
        $signature_string = trim($signature_string);

        if($body != NULL && strlen($body) > 0) {
            $signature_string .= "\n" . $body;
        }

        $encoded_signature = strtr(base64_encode(hash_hmac("sha256", $signature_string, $this->secret , TRUE)), '+/', '-_');
        while(substr($encoded_signature, -1) == '=')
        {
            $encoded_signature = substr($encoded_signature, 0, -1);
        }

        return array('sig' => $encoded_signature, 'ts' => $ts);
    }

    public function get_wix_json()
    {
        list( $code, $data ) = explode( '.', $_GET[ 'instance' ] );

        if ( base64_decode( strtr( $code, "-_", "+/" ) ) != hash_hmac( "sha256", $data, $this->secret, TRUE ) ) {
            echo "Unable to get instance";
            return false;
        }
        if ( ( $json = json_decode( base64_decode( $data ) ) ) === null ) {
            echo "Unable to get instance";
            return false;
        }
        return $json;
    }


    public function get_contacts($instance_id){
        $signatures = $this->encode_signature( $instance_id, 'GET', '/v1/contacts', array(), array(),  '');
        $url = 'https://openapi.wix.com/v1/contacts';
        $url .= "?timestamp=". ($signatures['ts']) . "&application-id=".($this->app_key)."&instance-id=".  ($instance_id)."&signature=".$signatures['sig']."&version=1.0.0";;
        return ($this->curl_request('GET', $url , array()));
    }

    public function get_contact($instance_id,$contactId){
        $signatures = $this->encode_signature( $instance_id, 'GET', '/v1/contacts/'.$contactId, array(), array(),  '');
        $url = 'https://openapi.wix.com/v1/contacts/'.$contactId;
        $url .= '?version=1.0.0&application-id='.($this->app_key).'&instance-id='.($instance_id).'&timestamp='.($signatures['ts']).'&signature='.($signatures['sig']);
        return ($this->curl_request('GET', $url , array()));
    }

    public function create_contact($instance_id,$data){
        $body = json_encode($data);

        $query_params = [
            'version' => '2.0.0',
            'application-id' => ($this->app_key),
            'instance-id' => ($instance_id),
            'timestamp' => $this->get_signature_timestamp(),
        ];

        $request_path = '/v1/contacts';
        $method = 'POST';
        $signatures = $this->encode_signature_custom( $instance_id, $method, $request_path, $query_params, array(), $body);
        $query_params['signature'] = $signatures['sig'];
        $url = 'https://openapi.wix.com' . $request_path . '?' . http_build_query($query_params);
        return ($this->curl_request($method, $url, $body));
    }

    public function get_sites( $instance_id)
    {
        $signatures = $this->encode_signature( $instance_id, 'GET', '/v1/sites/site', array(), array(),  '');
            $url = 'https://openapi.wix.com/v1/sites/site';
            $url .= "?timestamp=". ($signatures['ts']) . "&application-id=".($this->app_key)."&instance-id=".  ($instance_id)."&signature=".$signatures['sig']."&version=1.0.0";;
            return ($this->curl_request('GET', $url , array()));
    }

    public function curl_request($method, $uri, $data = '')
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $uri);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, FALSE);
        curl_setopt($ch, CURLOPT_MAXREDIRS, 1);
        curl_setopt($ch, CURLOPT_HEADER, TRUE);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
        curl_setopt($ch, CURLOPT_TIMEOUT, 45);

        if ('POST' == $method)
        {
          curl_setopt($ch, CURLOPT_POST, TRUE);
          curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        }
        else if ('PUT' == $method)
        {
          curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
          curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        }
        else if('GET' != $method)
        {
          curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
        }

        $response = curl_exec($ch);

        $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
        $body = substr($response, $header_size);

        return $body;
    }
}