<h2>File Contents: /home/planet5/www/yanhuanghealthcare.co.uk/wp-content/plugins/updraftplus/includes/ftp.class.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/yanhuanghealthcare.co.uk/wp-content/plugins/updraftplus/includes/ftp.class.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php
// phpcs:disable WordPress.WP.AlternativeFunctions.file_system_operations_fopen -- Using the default PHP fopen() function instead of the WP Filesystem API.
// phpcs:disable WordPress.WP.AlternativeFunctions.file_system_operations_fclose -- using the native PHP fclose() function instead of the WP Filesystem API.

if (!defined(&#039;ABSPATH&#039;)) die(&#039;No direct access allowed.&#039;);

/**
 * Adapted from http://www.solutionbot.com/2009/01/02/php-ftp-class/
 */
class UpdraftPlus_ftp_wrapper {

	private $conn_id;

	private $host;

	private $username;

	private $password;

	private $port;

	public $timeout = 60;

	public $passive = true;

	public $system_type = &#039;&#039;;

	public $ssl = false;

	public $use_server_certs = false;

	public $disable_verify = true;

	public $login_type = &#039;non-encrypted&#039;;
 
	public function __construct($host, $username, $password, $port = 21) {
		$this-&gt;host     = $host;
		$this-&gt;username = $username;
		$this-&gt;password = $password;
		$this-&gt;port     = $port;
	}
 
	public function connect() {

		$time_start = time();
		$this-&gt;conn_id = ftp_connect($this-&gt;host, $this-&gt;port, 20);

		if ($this-&gt;conn_id) $result = ftp_login($this-&gt;conn_id, $this-&gt;username, $this-&gt;password);
 
		if (!empty($result)) {
			ftp_set_option($this-&gt;conn_id, FTP_TIMEOUT_SEC, $this-&gt;timeout);
			 ftp_pasv($this-&gt;conn_id, $this-&gt;passive);
			$this-&gt;system_type = ftp_systype($this-&gt;conn_id);
			return true;
		}

		if (time() - $time_start &gt; 19) {
			global $updraftplus_admin;
			if (isset($updraftplus_admin-&gt;logged) &amp;&amp; is_array($updraftplus_admin-&gt;logged)) {
				/* translators: %s: Connection type (e.g., FTP) */
				$updraftplus_admin-&gt;logged[] = sprintf(__(&#039;The %s connection timed out; if you entered the server correctly, then this is usually caused by a firewall blocking the connection - you should check with your web hosting company.&#039;, &#039;updraftplus&#039;), &#039;FTP&#039;);
			} else {
				global $updraftplus;
				/* translators: %s: Connection type (e.g., FTP) */
				$updraftplus-&gt;log(sprintf(__(&#039;The %s connection timed out; if you entered the server correctly, then this is usually caused by a firewall blocking the connection - you should check with your web hosting company.&#039;, &#039;updraftplus&#039;), &#039;FTP&#039;), &#039;error&#039;);
			}
		}

		return false;
	}
 
	public function put($local_file_path, $remote_file_path, $mode = FTP_BINARY, $resume = false, $updraftplus = false) {

		$file_size = filesize($local_file_path);

		$existing_size = 0;
		if ($resume) {
			$existing_size = ftp_size($this-&gt;conn_id, $remote_file_path);
			if ($existing_size &lt;=0) {
				$resume = false;
				$existing_size = 0;
			} else {
				if (is_a($updraftplus, &#039;UpdraftPlus&#039;)) $updraftplus-&gt;log(&quot;File already exists at remote site: size $existing_size. Will attempt resumption.&quot;);
				if ($existing_size &gt;= $file_size) {
					if (is_a($updraftplus, &#039;UpdraftPlus&#039;)) $updraftplus-&gt;log(&quot;File is apparently already completely uploaded&quot;);
					return true;
				}
			}
		}

		// From here on, $file_size is only used for logging calculations. We want to avoid division by zero.
		$file_size = max($file_size, 1);

		if (!$fh = fopen($local_file_path, &#039;rb&#039;)) return false;
		if ($existing_size) fseek($fh, $existing_size);

		$ret = ftp_nb_fput($this-&gt;conn_id, $remote_file_path, $fh, $mode, $existing_size);

		// $existing_size can now be re-purposed

		while (FTP_MOREDATA == $ret) {
			if (is_a($updraftplus, &#039;UpdraftPlus&#039;)) {
				$new_size = ftell($fh);
				$record_after = 524288;
				if ($existing_size &gt; 2097152) {
					$record_after = ($existing_size &gt; 4194304) ? 2097152 : 1048576;
				}
				if ($new_size - $existing_size &gt; $record_after) {
					$existing_size = $new_size;
					$percent = round(100*$new_size/$file_size, 1);
					$updraftplus-&gt;record_uploaded_chunk($percent, &#039;&#039;, $local_file_path);
				}
			}
			// Continue upload
			$ret = ftp_nb_continue($this-&gt;conn_id);
		}

		fclose($fh);

		if (FTP_FINISHED != $ret) {
			if (is_a($updraftplus, &#039;UpdraftPlus&#039;)) $updraftplus-&gt;log(&quot;FTP upload: error ($ret)&quot;);
			return false;
		}

		return true;

	}
 
	public function get($local_file_path, $remote_file_path, $mode = FTP_BINARY, $resume = false, $updraftplus = false) {

		$file_last_size = 0;

		if ($resume) {
			if (!$fh = fopen($local_file_path, &#039;ab&#039;)) return false;
			clearstatcache($local_file_path);// phpcs:ignore PHPCompatibility.FunctionUse.NewFunctionParameters.clearstatcache_clear_realpath_cacheFound -- The function clearstatcache() does not have a parameter &quot;clear_realpath_cache&quot; in PHP version 5.2 or earlier
			$file_last_size = filesize($local_file_path);
		} else {
			if (!$fh = fopen($local_file_path, &#039;wb&#039;)) return false;
		}

		$ret = ftp_nb_fget($this-&gt;conn_id, $fh, $remote_file_path, $mode, $file_last_size);

		if (false == $ret) return false;

		while (FTP_MOREDATA == $ret) {

			if ($updraftplus) {
				$file_now_size = filesize($local_file_path);
				if ($file_now_size - $file_last_size &gt; 524288) {
					$updraftplus-&gt;log(&quot;FTP fetch: file size is now: &quot;.sprintf(&quot;%0.2f&quot;, filesize($local_file_path)/1048576).&quot; Mb&quot;);
					$file_last_size = $file_now_size;
				}
				clearstatcache($local_file_path);// phpcs:ignore PHPCompatibility.FunctionUse.NewFunctionParameters.clearstatcache_clear_realpath_cacheFound -- The function clearstatcache() does not have a parameter &quot;clear_realpath_cache&quot; in PHP version 5.2 or earlier
			}

			$ret = ftp_nb_continue($this-&gt;conn_id);
		}

		fclose($fh);

		if (FTP_FINISHED == $ret) {
			if ($updraftplus) $updraftplus-&gt;log(&quot;FTP fetch: fetch complete&quot;);
			return true;
		} else {
			if ($updraftplus) $updraftplus-&gt;log(&quot;FTP fetch: fetch failed&quot;);
			return false;
		}

	}

	public function chmod($permissions, $remote_filename) {
		if ($this-&gt;is_octal($permissions)) {
			$result = ftp_chmod($this-&gt;conn_id, $permissions, $remote_filename);
			if ($result) {
				return true;
			} else {
				return false;
			}
		} else {
			throw new Exception(&#039;$permissions must be an octal number&#039;);
		}
	}
 
	public function chdir($directory) {
		ftp_chdir($this-&gt;conn_id, $directory);
	}
 
	public function delete($remote_file_path) {
		if (ftp_delete($this-&gt;conn_id, $remote_file_path)) {
			return true;
		} else {
			return false;
		}
	}
 
	public function make_dir($directory) {
		if (ftp_mkdir($this-&gt;conn_id, $directory)) {
			return true;
		} else {
			return false;
		}
	}
 
	public function rename($old_name, $new_name) {
		if (ftp_rename($this-&gt;conn_id, $old_name, $new_name)) {
			return true;
		} else {
			return false;
		}
	}
 
	public function remove_dir($directory) {
		if (ftp_rmdir($this-&gt;conn_id, $directory)) {
			return true;
		} else {
			return false;
		}
	}
 
	public function dir_list($directory) {
		return ftp_nlist($this-&gt;conn_id, $directory);
	}
 
	public function cdup() {
		ftp_cdup($this-&gt;conn_id);
	}
 
	public function size($f) {
		return ftp_size($this-&gt;conn_id, $f);
	}

	public function current_dir() {
		return ftp_pwd($this-&gt;conn_id);
	}
 
	private function is_octal($i) {
		return decoct(octdec($i)) == $i;
	}
 
	public function __destruct() {
		if ($this-&gt;conn_id) ftp_close($this-&gt;conn_id);
	}
}
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