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