/**
* Connect to FTP server over Implicit SSL/TLS
*
* @since 3.0
* @throws Exception
* @return \WC_Customer_Order_CSV_Export_Method_FTP_Implicit_SSL
*/
public function __construct()
{
parent::__construct();
// set host/initial path
$this->url = "ftps://{$this->server}/{$this->path}";
// setup connection
$this->curl_handle = curl_init();
// check for successful connection
if (!$this->curl_handle) {
throw new Exception(__('Could not initialize cURL.', 'woocommerce-customer-order-csv-export'));
}
// connection options
$options = array(CURLOPT_USERPWD => $this->username . ':' . $this->password, CURLOPT_SSL_VERIFYPEER => false, CURLOPT_SSL_VERIFYHOST => false, CURLOPT_FTP_SSL => CURLFTPSSL_ALL, CURLOPT_FTPSSLAUTH => CURLFTPAUTH_DEFAULT, CURLOPT_UPLOAD => true, CURLOPT_PORT => $this->port, CURLOPT_TIMEOUT => $this->timeout);
// cURL FTP enables passive mode by default, so disable it by enabling the PORT command
if (!$this->passive_mode) {
$options[CURLOPT_FTPPORT] = '-';
}
// allow modification of cURL options
$options = apply_filters('wc_customer_order_csv_export_ftp_over_implicit_curl_options', $options, $this);
// set connection options, use foreach so useful errors can be caught instead of a generic "cannot set options" error with curl_setopt_array()
foreach ($options as $option_name => $option_value) {
if (!curl_setopt($this->curl_handle, $option_name, $option_value)) {
throw new Exception(sprintf(__('Could not set cURL option: %s', 'woocommerce-customer-order-csv-export'), $option_name));
}
}
}
/**
* Connect to FTP server and authenticate via password
*
* @since 3.0
* @throws Exception
* @return \WC_Customer_Order_CSV_Export_Method_FTP
*/
public function __construct()
{
parent::__construct();
// Handle errors from ftp_* functions that throw warnings for things like invalid username / password, failed directory changes, and failed data connections
set_error_handler(array($this, 'handle_errors'));
// setup connection
$this->link = null;
if ('ftps' == $this->security && function_exists('ftp_ssl_connect')) {
$this->link = ftp_ssl_connect($this->server, $this->port, $this->timeout);
} elseif ('ftps' !== $this->security) {
$this->link = ftp_connect($this->server, $this->port, $this->timeout);
}
// check for successful connection
if (!$this->link) {
throw new Exception(__("Could not connect via FTP to {$this->server} on port {$this->port}, check server address and port.", WC_Customer_Order_CSV_Export::TEXT_DOMAIN));
}
// attempt to login, note that incorrect credentials throws an E_WARNING PHP error
if (!ftp_login($this->link, $this->username, $this->password)) {
throw new Exception(__("Could not authenticate via FTP with username {$this->username} and password <hidden>. Check username and password.", WC_Customer_Order_CSV_Export::TEXT_DOMAIN));
}
// set passive mode if enabled
if ($this->passive_mode) {
// check for success
if (!ftp_pasv($this->link, true)) {
throw new Exception(__('Could not set passive mode', WC_Customer_Order_CSV_Export::TEXT_DOMAIN));
}
}
// change directories if initial path is populated, note that failing to change directory throws an E_WARNING PHP error
if ($this->path) {
// check for success
if (!ftp_chdir($this->link, '/' . $this->path)) {
throw new Exception(__("Could not change directory to {$this->path} - check path exists.", WC_Customer_Order_CSV_Export::TEXT_DOMAIN));
}
}
}
/**
* Connect to SSH server, authenticate via password, and set up SFTP link
*
* @since 3.0
* @throws Exception - ssh2 extension not installed, failed SSH / SFTP connection, failed authentication
* @return \WC_Customer_Order_CSV_Export_Method_SFTP
*/
public function __construct()
{
parent::__construct();
// check if ssh2 extension is installed
if (!function_exists('ssh2_connect')) {
throw new Exception(__('SSH2 Extension is not installed, cannot connect via SFTP.', WC_Customer_Order_CSV_Export::TEXT_DOMAIN));
}
// setup connection
$this->ssh_link = ssh2_connect($this->server, $this->port);
// check for successful connection
if (!$this->ssh_link) {
throw new Exception(__("Could not connect via SSH to {$this->server} on port {$this->port}, check server address and port.", WC_Customer_Order_CSV_Export::TEXT_DOMAIN));
}
// authenticate via password and check for successful authentication
if (!ssh2_auth_password($this->ssh_link, $this->username, $this->password)) {
throw new Exception(__("Could not authenticate via SSH with username {$this->username} and password. Check username and password.", WC_Customer_Order_CSV_Export::TEXT_DOMAIN));
}
// setup SFTP link
$this->sftp_link = ssh2_sftp($this->ssh_link);
// check for successful SFTP link
if (!$this->sftp_link) {
throw new Exception(__('Could not setup SFTP link', WC_Customer_Order_CSV_Export::TEXT_DOMAIN));
}
}
