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<?php |
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ |
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/** |
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* A class representing GPG signatures |
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* |
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* This file contains a data class representing a GPG signature. |
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* |
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* PHP version 5 |
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* |
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* LICENSE: |
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* |
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* This library is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as |
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* published by the Free Software Foundation; either version 2.1 of the |
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* License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* @category Encryption |
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* @package Crypt_GPG |
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* @author Nathan Fredrickson <nathan@silverorange.com> |
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* @copyright 2005-2010 silverorange |
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 |
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* @version CVS: $Id: Signature.php 302773 2010-08-25 14:16:28Z gauthierm $ |
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* @link http://pear.php.net/package/Crypt_GPG |
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*/ |
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/** |
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* User id class definition |
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*/ |
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require_once 'Crypt/GPG/UserId.php'; |
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// {{{ class Crypt_GPG_Signature |
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/** |
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* A class for GPG signature information |
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* |
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* This class is used to store the results of the Crypt_GPG::verify() method. |
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* |
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* @category Encryption |
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* @package Crypt_GPG |
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* @author Nathan Fredrickson <nathan@silverorange.com> |
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* @author Michael Gauthier <mike@silverorange.com> |
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* @copyright 2005-2010 silverorange |
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 |
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* @link http://pear.php.net/package/Crypt_GPG |
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* @see Crypt_GPG::verify() |
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*/ |
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class Crypt_GPG_Signature |
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{ |
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// {{{ class properties |
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/** |
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* A base64-encoded string containing a unique id for this signature if |
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* this signature has been verified as ok |
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* |
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* This id is used to prevent replay attacks and is not present for all |
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* types of signatures. |
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* |
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* @var string |
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*/ |
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private $_id = ''; |
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/** |
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* The fingerprint of the key used to create the signature |
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* |
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* @var string |
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*/ |
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private $_keyFingerprint = ''; |
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/** |
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* The id of the key used to create the signature |
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* |
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* @var string |
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*/ |
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private $_keyId = ''; |
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/** |
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* The creation date of this signature |
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* |
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* This is a Unix timestamp. |
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* |
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* @var integer |
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*/ |
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private $_creationDate = 0; |
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/** |
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* The expiration date of the signature |
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* |
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* This is a Unix timestamp. If this signature does not expire, this will |
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* be zero. |
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* |
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* @var integer |
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*/ |
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private $_expirationDate = 0; |
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/** |
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* The user id associated with this signature |
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* |
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* @var Crypt_GPG_UserId |
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*/ |
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private $_userId = null; |
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/** |
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* Whether or not this signature is valid |
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* |
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* @var boolean |
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*/ |
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private $_isValid = false; |
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// }}} |
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// {{{ __construct() |
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/** |
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* Creates a new signature |
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* |
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* Signatures can be initialized from an array of named values. Available |
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* names are: |
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* |
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* - <kbd>string id</kbd> - the unique id of this signature. |
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* - <kbd>string fingerprint</kbd> - the fingerprint of the key used to |
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* create the signature. The fingerprint |
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* should not contain formatting |
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* characters. |
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* - <kbd>string keyId</kbd> - the id of the key used to create the |
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* the signature. |
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* - <kbd>integer creation</kbd> - the date the signature was created. |
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* This is a UNIX timestamp. |
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* - <kbd>integer expiration</kbd> - the date the signature expired. This |
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* is a UNIX timestamp. If the signature |
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* does not expire, use 0. |
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* - <kbd>boolean valid</kbd> - whether or not the signature is valid. |
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* - <kbd>string userId</kbd> - the user id associated with the |
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* signature. This may also be a |
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* {@link Crypt_GPG_UserId} object. |
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* |
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* @param Crypt_GPG_Signature|array $signature optional. Either an existing |
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* signature object, which is copied; or an array of initial values. |
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*/ |
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public function __construct($signature = null) |
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{ |
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// copy from object |
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if ($signature instanceof Crypt_GPG_Signature) { |
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$this->_id = $signature->_id; |
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$this->_keyFingerprint = $signature->_keyFingerprint; |
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$this->_keyId = $signature->_keyId; |
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$this->_creationDate = $signature->_creationDate; |
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$this->_expirationDate = $signature->_expirationDate; |
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$this->_isValid = $signature->_isValid; |
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if ($signature->_userId instanceof Crypt_GPG_UserId) { |
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$this->_userId = clone $signature->_userId; |
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} else { |
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$this->_userId = $signature->_userId; |
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} |
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} |
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// initialize from array |
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if (is_array($signature)) { |
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if (array_key_exists('id', $signature)) { |
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$this->setId($signature['id']); |
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} |
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if (array_key_exists('fingerprint', $signature)) { |
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$this->setKeyFingerprint($signature['fingerprint']); |
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} |
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if (array_key_exists('keyId', $signature)) { |
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$this->setKeyId($signature['keyId']); |
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} |
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if (array_key_exists('creation', $signature)) { |
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$this->setCreationDate($signature['creation']); |
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} |
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if (array_key_exists('expiration', $signature)) { |
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$this->setExpirationDate($signature['expiration']); |
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} |
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if (array_key_exists('valid', $signature)) { |
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$this->setValid($signature['valid']); |
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} |
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if (array_key_exists('userId', $signature)) { |
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$userId = new Crypt_GPG_UserId($signature['userId']); |
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$this->setUserId($userId); |
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} |
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} |
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} |
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// }}} |
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// {{{ getId() |
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/** |
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* Gets the id of this signature |
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* |
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* @return string a base64-encoded string containing a unique id for this |
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* signature. This id is used to prevent replay attacks and |
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* is not present for all types of signatures. |
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*/ |
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public function getId() |
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{ |
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return $this->_id; |
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} |
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// }}} |
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// {{{ getKeyFingerprint() |
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/** |
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* Gets the fingerprint of the key used to create this signature |
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* |
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* @return string the fingerprint of the key used to create this signature. |
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*/ |
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public function getKeyFingerprint() |
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{ |
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return $this->_keyFingerprint; |
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} |
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// }}} |
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// {{{ getKeyId() |
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/** |
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* Gets the id of the key used to create this signature |
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* |
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* Whereas the fingerprint of the signing key may not always be available |
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* (for example if the signature is bad), the id should always be |
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* available. |
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* |
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* @return string the id of the key used to create this signature. |
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*/ |
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public function getKeyId() |
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{ |
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return $this->_keyId; |
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} |
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// }}} |
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// {{{ getCreationDate() |
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/** |
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* Gets the creation date of this signature |
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* |
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* @return integer the creation date of this signature. This is a Unix |
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* timestamp. |
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*/ |
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public function getCreationDate() |
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{ |
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return $this->_creationDate; |
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} |
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// }}} |
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// {{{ getExpirationDate() |
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/** |
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* Gets the expiration date of the signature |
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* |
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* @return integer the expiration date of this signature. This is a Unix |
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* timestamp. If this signature does not expire, this will |
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* be zero. |
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*/ |
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public function getExpirationDate() |
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{ |
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return $this->_expirationDate; |
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} |
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// }}} |
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// {{{ getUserId() |
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/** |
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* Gets the user id associated with this signature |
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* |
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* @return Crypt_GPG_UserId the user id associated with this signature. |
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*/ |
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public function getUserId() |
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{ |
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return $this->_userId; |
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} |
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// }}} |
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// {{{ isValid() |
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/** |
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* Gets whether or no this signature is valid |
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* |
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* @return boolean true if this signature is valid and false if it is not. |
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*/ |
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public function isValid() |
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{ |
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return $this->_isValid; |
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} |
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// }}} |
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// {{{ setId() |
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/** |
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* Sets the id of this signature |
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* |
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* @param string $id a base64-encoded string containing a unique id for |
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* this signature. |
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* |
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* @return Crypt_GPG_Signature the current object, for fluent interface. |
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* |
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* @see Crypt_GPG_Signature::getId() |
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*/ |
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public function setId($id) |
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{ |
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$this->_id = strval($id); |
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return $this; |
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} |
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// }}} |
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// {{{ setKeyFingerprint() |
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/** |
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* Sets the key fingerprint of this signature |
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* |
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* @param string $fingerprint the key fingerprint of this signature. This |
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* is the fingerprint of the primary key used to |
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* create this signature. |
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* |
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* @return Crypt_GPG_Signature the current object, for fluent interface. |
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*/ |
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public function setKeyFingerprint($fingerprint) |
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{ |
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$this->_keyFingerprint = strval($fingerprint); |
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return $this; |
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} |
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// }}} |
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// {{{ setKeyId() |
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/** |
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* Sets the key id of this signature |
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* |
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* @param string $id the key id of this signature. This is the id of the |
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* primary key used to create this signature. |
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* |
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* @return Crypt_GPG_Signature the current object, for fluent interface. |
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*/ |
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public function setKeyId($id) |
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{ |
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$this->_keyId = strval($id); |
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return $this; |
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} |
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// }}} |
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// {{{ setCreationDate() |
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/** |
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* Sets the creation date of this signature |
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* |
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* @param integer $creationDate the creation date of this signature. This |
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* is a Unix timestamp. |
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* |
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* @return Crypt_GPG_Signature the current object, for fluent interface. |
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*/ |
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public function setCreationDate($creationDate) |
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{ |
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$this->_creationDate = intval($creationDate); |
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return $this; |
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} |
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// }}} |
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// {{{ setExpirationDate() |
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/** |
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* Sets the expiration date of this signature |
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* |
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* @param integer $expirationDate the expiration date of this signature. |
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* This is a Unix timestamp. Specify zero if |
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* this signature does not expire. |
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* |
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* @return Crypt_GPG_Signature the current object, for fluent interface. |
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*/ |
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public function setExpirationDate($expirationDate) |
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{ |
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$this->_expirationDate = intval($expirationDate); |
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return $this; |
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} |
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// }}} |
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// {{{ setUserId() |
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/** |
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* Sets the user id associated with this signature |
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* |
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* @param Crypt_GPG_UserId $userId the user id associated with this |
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* signature. |
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* |
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* @return Crypt_GPG_Signature the current object, for fluent interface. |
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*/ |
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public function setUserId(Crypt_GPG_UserId $userId) |
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{ |
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$this->_userId = $userId; |
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return $this; |
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} |
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// }}} |
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// {{{ setValid() |
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/** |
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* Sets whether or not this signature is valid |
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* |
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* @param boolean $isValid true if this signature is valid and false if it |
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* is not. |
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* |
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* @return Crypt_GPG_Signature the current object, for fluent interface. |
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*/ |
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public function setValid($isValid) |
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{ |
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$this->_isValid = ($isValid) ? true : false; |
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return $this; |
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} |
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// }}} |
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} |
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// }}} |
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?> |