<?php
/**
 * cwp7_Admin
 *
 * @author André Genrich <andre.genrich@thurdata.ch>
 * @author Roland Käser <roland.keaser@thurdata.ch>
 * @version 0.9
 * @copyright Copyright (c) 2021, Thurdata
 * @example ../test.php
 */
/**
 * cwp7_Admin class documentation
 */
/**
 * cwp7_Admin is a class which allows to manage cwp7 accounts via web-api
 *
 * You may create, modify, migrate, delete and get the attributes of a cwp7 account using this class
 *
 * For the usage examples of all class methods check the source code of test.php
 */
class cwp7_Admin {
    private $constructorSuccess;
    private $cwp7URL;
    private $cwp7ConType;
    private $cwp7Port;
    private $cwp7Secure;
    protected $cwp7Token;
	/**
	 * Constructor
     * @param string $cwp7Host cwp7 hostname or IP (example: cwp7.my.lan)
	 * @param string $token api token
	 * @param string $secure optional false to force unsecure (default true)
	 */
    function __construct($cwp7Host, $token, $secure=true) {
        if(!in_array('curl', get_loaded_extensions())) {
            $this->constructorSuccess = false;
            return array('error_msg' => 'Error: PHP curl extension not available');
        }
        if (empty($cwp7Host) || empty($token)) {
            $this->constructorSuccess = false;
            return array('error_msg' => 'Error: Server login info missing, check server configuration');
        }
        if($secure) {
            $this->cwp7ConType = 'https://';
            $this->cwp7Secure = true;
        } else {
            $this->cwp7ConType = 'http://';
            $this->cwp7Secure = false;
        }
        $cwp7Hostname = explode(':', $cwp7Host);
        if (gethostbyname($cwp7Hostname[0]) == $cwp7Hostname[0] && !filter_var($cwp7Hostname[0], FILTER_VALIDATE_IP)) {
            $this->constructorSuccess = false;
            return array('error_msg' => 'Error: Cannot resolve ' . $cwp7Hostname[0] . ', check server configuration');
        }
        $this->cwp7Port = (isset($cwp7Hostname[1])) ? $cwp7Hostname[1] :  '2304';
        $this->cwp7URL = $this->cwp7ConType . $cwp7Hostname[0] . ':' . $this->cwp7Port;
        $this->cwp7Token = $token;
        $this->constructorSuccess = true;
    }

    public function constructorSuccess() {
        return $this->constructorSuccess;
    }
	/**
	 * getAllAccounts
	 * 
	 * @return array of cwp7 accounts array of informations or error message
	 */
    public function getAllAccounts() {
        $data = array();
        return $this->doRequest('account', 'list', $data);
    }
	/**
	 * getAccount
	 * 
	 * @param string $user user
	 * 
	 * @return array of account informations or error message
	 */
    public function getAccount($user) {
        $data = array(
            "user" => $user
        );
        return $this->doRequest('accountdetail', 'list', $data);
    }
	/**
	 * createAccount
	 * 
	 * @param array $params avvount informations, email required.
     * 
	 * @return array of account informations or error message
	 */
    public function createAccount($params) {
        if(!isset($params['package'])) {
            return array('error_msg' => 'Error: missing parameter package');
        }
        if(!isset($params['domain'])) {
            return array('error_msg' => 'Error: missing parameter domain');
        }
        if(!isset($params['user'])) {
            return array('error_msg' => 'Error: missing parameter user');
        }
        if(!isset($params['pass'])) {
            return array('error_msg' => 'Error: missing parameter pass');
        }
        if(!isset($params['email'])) {
            return array('error_msg' => 'Error: missing parameter email');
        }
        if(!isset($params['inode'])) {
            return array('error_msg' => 'Error: missing parameter inode');
        }
        if(!isset($params['nofile'])) {
            return array('error_msg' => 'Error: missing parameter nofile');
        }
        if(!isset($params['nproc'])) {
            return array('error_msg' => 'Error: missing parameter nproc');
        }
        if(!isset($params['server_ips'])) {
            return array('error_msg' => 'Error: missing parameter server_ips');
        }
        if(!isset($params['autossl'])) {
            $params['autossl'] = 0;
        }
        $data = array(
            'domain'        => $params['domain'],
            'user'          => $params['user'],
            'username'      => $params['user'],
            'pass'          => base64_encode($params['pass']),
            'email'         => $params['email'],
            'package'       => $params['package'],
            'autossl'       => $params['autossl'],
            'encodepass'    => true,
			'inode'         => $params['inode'],
            'limit_nofile'  => $params['nofile'],
            'limit_nproc'   => $params['nproc'],
            'server_ips'    => $params['server_ips'],
        );
        return $this->doRequest('account', 'add', $data);
	}
	/**
	 * modifyAccount
	 * 
	 * @param array $params account informations, user, e-mail & new package required.
     * 
	 * @return array status -> OK or error message
	 */
    public function modifyAccount($params) {
        if(!isset($params['user'])) {
            return array('error_msg' => 'Error: missing parameter user');
        }
        if(!isset($params['email'])) {
            return array('error_msg' => 'Error: missing parameter email');
        }
        if(!isset($params['package'])) {
            return array('error_msg' => 'Error: missing parameter package');
        }
        return $this->doRequest('account', 'udp', $params);
	}
	/**
	 * deleteAccount
	 * 
	 * @param array user & e-mail required
	 * 
	 * @return array success => true or error message
	 */
    public function deleteAccount($params)
	{
        if(!isset($params['user'])) {
            return array('error_msg' => 'Error: missing parameter user');
        }
        if(!isset($params['email'])) {
            return array('error_msg' => 'Error: missing parameter email');
        }
        $data = array(
            "user"          => $params['user'],
            "email"         => $params['email'],
        );
        return $this->doRequest('account', 'del', $data);
	}
	/**
	 * suspendAccount
	 * 
	 * @param string $user user
	 * 
	 * @return array success => true or error message
	 */
    public function suspendAccount($user)
	{
        $data = array(
            "user" => $user,
        );
        return $this->doRequest('account', 'susp', $data);
	}
	/**
	 * unsuspendAccount
	 * 
	 * @param string $user user
	 * 
	 * @return array success => true or error message
	 */
    public function unsuspendAccount($user)
	{
        $data = array(
            'user' => $user,
        );
        return $this->doRequest('account', 'unsp', $data);
	}
	/**
	 * getPackages
	 * 
	 * @return array packages
	 */
    public function getPackages()
	{
        $data = array();
        return $this->doRequest('packages', 'list', $data);
    }
	/**
	 * changePassword
	 * 
	 * @return array packages
	 */
    public function changePass($params)
	{
        if(!isset($params['user'])) {
            return array('error_msg' => 'Error: missing parameter user');
        }
        if(!isset($params['password'])) {
            return array('error_msg' => 'Error: missing parameter password');
        }
        $data = array(
            'user' => $params['user'],
            'password' => $params['password'],
        );
        return $this->doRequest('changepass', 'upd', $data);
    }
    /**
	 * addDomain
     * 
     * @param array $user user, $name domainname, $type domain or subdomain
	 * 
	 * @return array details
	 */
    public function addDomain($params)
	{
        if(!isset($params['user'])) {
            return array('error_msg' => 'Error: missing parameter user');
        }
        if(!isset($params['name'])) {
            return array('error_msg' => 'Error: missing parameter name');
        }
        if(!isset($params['type'])) {
            return array('error_msg' => 'Error: missing parameter type');
        }
        $data = array(
            'user'      => $params['user'],
            'type'      => $params['type'],
            'name'      => $params['name'],
            'path'      => '/domains/' . $params['name'],
            'autossl'   => 0,
        );
        return $this->doRequest('admindomains', 'add', $data);
    }
    /**
	 * deleteDomain
     * 
     * @param array $user user, $name domainname, $type domain or subdomain
	 * 
	 * @return array details
	 */
    public function deleteDomain($params)
	{
        if(!isset($params['user'])) {
            return array('error_msg' => 'Error: missing parameter user');
        }
        if(!isset($params['name'])) {
            return array('error_msg' => 'Error: missing parameter name');
        }
        if(!isset($params['type'])) {
            return array('error_msg' => 'Error: missing parameter type');
        }
        $data = array(
            'user'      => $params['user'],
            'type'      => $params['type'],
            'name'      => $params['name'],
        );
        return $this->doRequest('admindomains', 'del', $data);
    }
    /**
	 * getQuota
     * 
     * @param string $user user
	 * 
	 * @return array quota details
	 */
    public function getQuota($user)
	{
        $data = array('user' => $user);
        return $this->doRequest('accountquota', 'list', $data);
    }
    /**
	 * getLimits
     * 
     * @param string $user user
	 * 
	 * @return array limits details
	 */
    public function getLimits($user)
	{
        $data = array('user' => $user);
        return $this->doRequest('quotalimit', 'list', $data);
    }
	/**
	 * getAutoSSL
     * 
     * @param string $user user
	 * 
	 * @return array certificate data or error
	 */
    public function getAutoSSL($user)
	{
        $data = array('user' => $user);
        return $this->doRequest('autossl', 'list', $data);
    }
	/**
	 * addAutoSSL
     * 
     * @param array $user user, $name domainname
	 * 
	 * @return array status or error
	 */
    public function addAutoSSL($params)
	{
        if(!isset($params['user'])) {
            return array('error_msg' => 'Error: missing parameter user');
        }
        if(!isset($params['name'])) {
            return array('error_msg' => 'Error: missing parameter name');
        }
        $data = array('user' => $params['user'], 'name' => $params['name']);
        return $this->doRequest('autossl', 'add', $data);
    }
	/**
	 * renewAutoSSL
     * 
     * @param array $user user, $name cert name
	 * 
	 * @return array status or error
	 */
    public function updateAutoSSL($params)
	{
        if(!isset($params['user'])) {
            return array('error_msg' => 'Error: missing parameter user');
        }
        if(!isset($params['name'])) {
            return array('error_msg' => 'Error: missing parameter name');
        }
        $data = array('user' => $params['user'], 'name' => $params['name']);
        return $this->doRequest('autossl', 'renew', $data);
    }
	/**
	 * delAutoSSL
     * 
     * @param array $user user, $name doaminname
	 * 
	 * @return array status or error
	 */
    public function delAutoSSL($params)
	{
        if(!isset($params['user'])) {
            return array('error_msg' => 'Error: missing parameter user');
        }
        if(!isset($params['name'])) {
            return array('error_msg' => 'Error: missing parameter name');
        }
        $data = array('user' => $params['user'], 'name' => $params['name']);
        return $this->doRequest('autossl', 'del', $data);
    }
	/**
	 * getServerType
	 * 
	 * @return array status or error
	 */
    public function getServerType()
	{
        $data = array();
        return $this->doRequest('typeserver', 'list', $data);
    }
	/**
	 * getLoginLink
	 * 
	 * @return array status or error
	 */
    public function getLoginLink($user, $timer=5)
	{
        $data = array('user' => $user, 'timer' => $timer);
        return $this->doRequest('user_session', 'list', $data);
    }
    /**
     * doRequest
     * 
     * @param string $endpoint API endpoint
     * @param string $action endpoint action
     * @param array $data POST data
     * 
     * @return string API response
     */
    protected function doRequest($endpoint, $action, $data) {
        $data['key'] = $this->cwp7Token;
        $data['action'] = $action;
//        $data['debug'] = 1;
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->cwp7URL . '/v1/' . $endpoint);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
        curl_setopt($ch, CURLOPT_POST, 1);
        $response = curl_exec($ch);
        if(curl_getinfo($ch, CURLINFO_RESPONSE_CODE) != 200) {
            curl_close($ch);
            return array('status' => 'Error', 'err_msg' => curl_error($ch));
        };
        curl_close($ch);
        return json_decode($response, true);
    }
}