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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* This file is part of the PEAR Console_CommandLine package.
*
* PHP version 5
*
* LICENSE: This source file is subject to the MIT license that is available
* through the world-wide-web at the following URI:
* http://opensource.org/licenses/mit-license.php
*
* @category Console
* @package Console_CommandLine
* @author David JEAN LOUIS <izimobil@gmail.com>
* @copyright 2007 David JEAN LOUIS
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version CVS: $Id$
* @link http://pear.php.net/package/Console_CommandLine
* @since File available since release 0.1.0
* @filesource
*/
/**
* Required by this class.
*/
require_once 'Console/CommandLine/Action.php';
/**
* Class that represent the Password action, a special action that allow the
* user to specify the password on the commandline or to be prompted for
* entering it.
*
* @category Console
* @package Console_CommandLine
* @author David JEAN LOUIS <izimobil@gmail.com>
* @copyright 2007 David JEAN LOUIS
* @license http://opensource.org/licenses/mit-license.php MIT License
* @version Release: 1.2.0
* @link http://pear.php.net/package/Console_CommandLine
* @since Class available since release 0.1.0
*/
class Console_CommandLine_Action_Password extends Console_CommandLine_Action
{
// execute() {{{
/**
* Executes the action with the value entered by the user.
*
* @param mixed $value The option value
* @param array $params An array of optional parameters
*
* @return string
*/
public function execute($value = false, $params = array())
{
$this->setResult(empty($value) ? $this->_promptPassword() : $value);
}
// }}}
// _promptPassword() {{{
/**
* Prompts the password to the user without echoing it.
*
* @return string
* @todo not echo-ing the password does not work on windows is there a way
* to make this work ?
*/
private function _promptPassword()
{
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
fwrite(STDOUT,
$this->parser->message_provider->get('PASSWORD_PROMPT_ECHO'));
@flock(STDIN, LOCK_EX);
$passwd = fgets(STDIN);
@flock(STDIN, LOCK_UN);
} else {
fwrite(STDOUT, $this->parser->message_provider->get('PASSWORD_PROMPT'));
// disable echoing
system('stty -echo');
@flock(STDIN, LOCK_EX);
$passwd = fgets(STDIN);
@flock(STDIN, LOCK_UN);
system('stty echo');
}
return trim($passwd);
}
// }}}
}
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