| commit | author | age | ||
| 48e9c1 | 1 | <?php |
| T | 2 | |
| 3 | /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ | |
| 4 | ||
| 5 | /** | |
| 6 | * Crypt_GPG is a package to use GPG from PHP | |
| 7 | * | |
| 8 | * This file contains an object that handles GPG's status output for the verify | |
| 9 | * operation. | |
| 10 | * | |
| 11 | * PHP version 5 | |
| 12 | * | |
| 13 | * LICENSE: | |
| 14 | * | |
| 15 | * This library is free software; you can redistribute it and/or modify | |
| 16 | * it under the terms of the GNU Lesser General Public License as | |
| 17 | * published by the Free Software Foundation; either version 2.1 of the | |
| 18 | * License, or (at your option) any later version. | |
| 19 | * | |
| 20 | * This library is distributed in the hope that it will be useful, | |
| 21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 23 | * Lesser General Public License for more details. | |
| 24 | * | |
| 25 | * You should have received a copy of the GNU Lesser General Public | |
| 26 | * License along with this library; if not, write to the Free Software | |
| 27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 28 | * | |
| 29 | * @category Encryption | |
| 30 | * @package Crypt_GPG | |
| 31 | * @author Michael Gauthier <mike@silverorange.com> | |
| 32 | * @copyright 2008 silverorange | |
| 33 | * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 | |
| 34 | * @version CVS: $Id: VerifyStatusHandler.php 302908 2010-08-31 03:56:54Z gauthierm $ | |
| 35 | * @link http://pear.php.net/package/Crypt_GPG | |
| 36 | * @link http://www.gnupg.org/ | |
| 37 | */ | |
| 38 | ||
| 39 | /** | |
| 40 | * Signature object class definition | |
| 41 | */ | |
| 42 | require_once 'Crypt/GPG/Signature.php'; | |
| 43 | ||
| 44 | /** | |
| 45 | * Status line handler for the verify operation | |
| 46 | * | |
| 47 | * This class is used internally by Crypt_GPG and does not need be used | |
| 48 | * directly. See the {@link Crypt_GPG} class for end-user API. | |
| 49 | * | |
| 50 | * This class is responsible for building signature objects that are returned | |
| 51 | * by the {@link Crypt_GPG::verify()} method. See <b>doc/DETAILS</b> in the | |
| 52 | * {@link http://www.gnupg.org/download/ GPG distribution} for detailed | |
| 53 | * information on GPG's status output for the verify operation. | |
| 54 | * | |
| 55 | * @category Encryption | |
| 56 | * @package Crypt_GPG | |
| 57 | * @author Michael Gauthier <mike@silverorange.com> | |
| 58 | * @copyright 2008 silverorange | |
| 59 | * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 | |
| 60 | * @link http://pear.php.net/package/Crypt_GPG | |
| 61 | * @link http://www.gnupg.org/ | |
| 62 | */ | |
| 63 | class Crypt_GPG_VerifyStatusHandler | |
| 64 | { | |
| 65 | // {{{ protected properties | |
| 66 | ||
| 67 | /** | |
| 68 | * The current signature id | |
| 69 | * | |
| 70 | * Ths signature id is emitted by GPG before the new signature line so we | |
| 71 | * must remember it temporarily. | |
| 72 | * | |
| 73 | * @var string | |
| 74 | */ | |
| 75 | protected $signatureId = ''; | |
| 76 | ||
| 77 | /** | |
| 78 | * List of parsed {@link Crypt_GPG_Signature} objects | |
| 79 | * | |
| 80 | * @var array | |
| 81 | */ | |
| 82 | protected $signatures = array(); | |
| 83 | ||
| 84 | /** | |
| 85 | * Array index of the current signature | |
| 86 | * | |
| 87 | * @var integer | |
| 88 | */ | |
| 89 | protected $index = -1; | |
| 90 | ||
| 91 | // }}} | |
| 92 | // {{{ handle() | |
| 93 | ||
| 94 | /** | |
| 95 | * Handles a status line | |
| 96 | * | |
| 97 | * @param string $line the status line to handle. | |
| 98 | * | |
| 99 | * @return void | |
| 100 | */ | |
| 101 | public function handle($line) | |
| 102 | { | |
| 103 | $tokens = explode(' ', $line); | |
| 104 | switch ($tokens[0]) { | |
| 105 | case 'GOODSIG': | |
| 106 | case 'EXPSIG': | |
| 107 | case 'EXPKEYSIG': | |
| 108 | case 'REVKEYSIG': | |
| 109 | case 'BADSIG': | |
| 110 | $signature = new Crypt_GPG_Signature(); | |
| 111 | ||
| 112 | // if there was a signature id, set it on the new signature | |
| 113 | if ($this->signatureId != '') { | |
| 114 | $signature->setId($this->signatureId); | |
| 115 | $this->signatureId = ''; | |
| 116 | } | |
| 117 | ||
| 118 | // Detect whether fingerprint or key id was returned and set | |
| 119 | // signature values appropriately. Key ids are strings of either | |
| 120 | // 16 or 8 hexadecimal characters. Fingerprints are strings of 40 | |
| 121 | // hexadecimal characters. The key id is the last 16 characters of | |
| 122 | // the key fingerprint. | |
| 123 | if (strlen($tokens[1]) > 16) { | |
| 124 | $signature->setKeyFingerprint($tokens[1]); | |
| 125 | $signature->setKeyId(substr($tokens[1], -16)); | |
| 126 | } else { | |
| 127 | $signature->setKeyId($tokens[1]); | |
| 128 | } | |
| 129 | ||
| 130 | // get user id string | |
| 131 | $string = implode(' ', array_splice($tokens, 2)); | |
| 132 | $string = rawurldecode($string); | |
| 133 | ||
| 134 | $signature->setUserId(Crypt_GPG_UserId::parse($string)); | |
| 135 | ||
| 136 | $this->index++; | |
| 137 | $this->signatures[$this->index] = $signature; | |
| 138 | break; | |
| 139 | ||
| 140 | case 'ERRSIG': | |
| 141 | $signature = new Crypt_GPG_Signature(); | |
| 142 | ||
| 143 | // if there was a signature id, set it on the new signature | |
| 144 | if ($this->signatureId != '') { | |
| 145 | $signature->setId($this->signatureId); | |
| 146 | $this->signatureId = ''; | |
| 147 | } | |
| 148 | ||
| 149 | // Detect whether fingerprint or key id was returned and set | |
| 150 | // signature values appropriately. Key ids are strings of either | |
| 151 | // 16 or 8 hexadecimal characters. Fingerprints are strings of 40 | |
| 152 | // hexadecimal characters. The key id is the last 16 characters of | |
| 153 | // the key fingerprint. | |
| 154 | if (strlen($tokens[1]) > 16) { | |
| 155 | $signature->setKeyFingerprint($tokens[1]); | |
| 156 | $signature->setKeyId(substr($tokens[1], -16)); | |
| 157 | } else { | |
| 158 | $signature->setKeyId($tokens[1]); | |
| 159 | } | |
| 160 | ||
| 161 | $this->index++; | |
| 162 | $this->signatures[$this->index] = $signature; | |
| 163 | ||
| 164 | break; | |
| 165 | ||
| 166 | case 'VALIDSIG': | |
| 167 | if (!array_key_exists($this->index, $this->signatures)) { | |
| 168 | break; | |
| 169 | } | |
| 170 | ||
| 171 | $signature = $this->signatures[$this->index]; | |
| 172 | ||
| 173 | $signature->setValid(true); | |
| 174 | $signature->setKeyFingerprint($tokens[1]); | |
| 175 | ||
| 176 | if (strpos($tokens[3], 'T') === false) { | |
| 177 | $signature->setCreationDate($tokens[3]); | |
| 178 | } else { | |
| 179 | $signature->setCreationDate(strtotime($tokens[3])); | |
| 180 | } | |
| 181 | ||
| 182 | if (array_key_exists(4, $tokens)) { | |
| 183 | if (strpos($tokens[4], 'T') === false) { | |
| 184 | $signature->setExpirationDate($tokens[4]); | |
| 185 | } else { | |
| 186 | $signature->setExpirationDate(strtotime($tokens[4])); | |
| 187 | } | |
| 188 | } | |
| 189 | ||
| 190 | break; | |
| 191 | ||
| 192 | case 'SIG_ID': | |
| 193 | // note: signature id comes before new signature line and may not | |
| 194 | // exist for some signature types | |
| 195 | $this->signatureId = $tokens[1]; | |
| 196 | break; | |
| 197 | } | |
| 198 | } | |
| 199 | ||
| 200 | // }}} | |
| 201 | // {{{ getSignatures() | |
| 202 | ||
| 203 | /** | |
| 204 | * Gets the {@link Crypt_GPG_Signature} objects parsed by this handler | |
| 205 | * | |
| 206 | * @return array the signature objects parsed by this handler. | |
| 207 | */ | |
| 208 | public function getSignatures() | |
| 209 | { | |
| 210 | return $this->signatures; | |
| 211 | } | |
| 212 | ||
| 213 | // }}} | |
| 214 | } | |
| 215 | ||
| 216 | ?> | |
