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enigma_subkey.php
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enigma_subkey.php
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<?php
/**
+-------------------------------------------------------------------------+
| SubKey class for the Enigma Plugin |
| |
| Copyright (C) The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
+-------------------------------------------------------------------------+
| Author: Aleksander Machniak <alec@alec.pl> |
+-------------------------------------------------------------------------+
*/
class enigma_subkey
{
public $id;
public $fingerprint;
public $expires;
public $created;
public $revoked;
public $has_private;
public $algorithm;
public $length;
public $usage;
/**
* Converts internal ID to short ID
* Crypt_GPG uses internal, but e.g. Thunderbird's Enigmail displays short ID
*
* @return string Key ID
*/
function get_short_id()
{
// E.g. 04622F2089E037A5 => 89E037A5
return enigma_key::format_id($this->id);
}
/**
* Getter for formatted fingerprint
*
* @return string Formatted fingerprint
*/
function get_fingerprint()
{
return enigma_key::format_fingerprint($this->fingerprint);
}
/**
* Returns human-readable name of the key's algorithm
*
* @return string Algorithm name
*/
function get_algorithm()
{
// https://datatracker.ietf.org/doc/html/rfc4880#section-9.1
switch ($this->algorithm) {
case 1:
case 2:
case 3:
return 'RSA';
case 16:
case 20:
return 'Elgamal';
case 17:
return 'DSA';
case 18:
return 'Elliptic Curve';
case 19:
return 'ECDSA';
case 21:
return 'Diffie-Hellman';
case 22:
return 'EdDSA';
}
}
/**
* Checks if the subkey has expired
*
* @return bool
*/
function is_expired()
{
$now = new DateTime('now');
return !empty($this->expires) && $this->expires < $now;
}
/**
* Returns subkey creation date-time string
*
* @param bool $asInt Return the date as an integer
*
* @return string|null|int
*/
function get_creation_date($asInt = false)
{
if (empty($this->created)) {
return $asInt ? 0 : null;
}
if ($asInt) {
return (int) $this->created->format('U');
}
$date_format = rcube::get_instance()->config->get('date_format', 'Y-m-d');
return $this->created->format($date_format);
}
/**
* Returns subkey expiration date-time string
*
* @return string|null
*/
function get_expiration_date()
{
if (empty($this->expires)) {
return null;
}
$date_format = rcube::get_instance()->config->get('date_format', 'Y-m-d');
return $this->expires->format($date_format);
}
}

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