diff options
Diffstat (limited to 'plugins/enigma/lib/enigma_key.php')
-rw-r--r-- | plugins/enigma/lib/enigma_key.php | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/plugins/enigma/lib/enigma_key.php b/plugins/enigma/lib/enigma_key.php new file mode 100644 index 000000000..520c36b0b --- /dev/null +++ b/plugins/enigma/lib/enigma_key.php @@ -0,0 +1,129 @@ +<?php +/* + +-------------------------------------------------------------------------+ + | Key class for the Enigma Plugin | + | | + | This program is free software; you can redistribute it and/or modify | + | it under the terms of the GNU General Public License version 2 | + | as published by the Free Software Foundation. | + | | + | This program is distributed in the hope that it will be useful, | + | but WITHOUT ANY WARRANTY; without even the implied warranty of | + | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | + | GNU General Public License for more details. | + | | + | You should have received a copy of the GNU General Public License along | + | with this program; if not, write to the Free Software Foundation, Inc., | + | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | + | | + +-------------------------------------------------------------------------+ + | Author: Aleksander Machniak <alec@alec.pl> | + +-------------------------------------------------------------------------+ +*/ + +class enigma_key +{ + public $id; + public $name; + public $users = array(); + public $subkeys = array(); + + const TYPE_UNKNOWN = 0; + const TYPE_KEYPAIR = 1; + const TYPE_PUBLIC = 2; + + /** + * Keys list sorting callback for usort() + */ + static function cmp($a, $b) + { + return strcmp($a->name, $b->name); + } + + /** + * Returns key type + */ + function get_type() + { + if ($this->subkeys[0]->has_private) + return enigma_key::TYPE_KEYPAIR; + else if (!empty($this->subkeys[0])) + return enigma_key::TYPE_PUBLIC; + + return enigma_key::TYPE_UNKNOWN; + } + + /** + * Returns true if all user IDs are revoked + */ + function is_revoked() + { + foreach ($this->subkeys as $subkey) + if (!$subkey->revoked) + return false; + + return true; + } + + /** + * Returns true if any user ID is valid + */ + function is_valid() + { + foreach ($this->users as $user) + if ($user->valid) + return true; + + return false; + } + + /** + * Returns true if any of subkeys is not expired + */ + function is_expired() + { + $now = time(); + + foreach ($this->subkeys as $subkey) + if (!$subkey->expires || $subkey->expires > $now) + return true; + + return false; + } + + /** + * Converts long ID or Fingerprint to short ID + * Crypt_GPG uses internal, but e.g. Thunderbird's Enigmail displays short ID + * + * @param string Key ID or fingerprint + * @return string Key short ID + */ + static function format_id($id) + { + // E.g. 04622F2089E037A5 => 89E037A5 + + return substr($id, -8); + } + + /** + * Formats fingerprint string + * + * @param string Key fingerprint + * + * @return string Formatted fingerprint (with spaces) + */ + static function format_fingerprint($fingerprint) + { + if (!$fingerprint) + return ''; + + $result = ''; + for ($i=0; $i<40; $i++) { + if ($i % 4 == 0) + $result .= ' '; + $result .= $fingerprint[$i]; + } + return $result; + } + +} |