diff options
Diffstat (limited to 'plugins/enigma/lib')
| -rw-r--r-- | plugins/enigma/lib/Crypt/GPG.php | 2542 | ||||
| -rw-r--r-- | plugins/enigma/lib/Crypt/GPG/DecryptStatusHandler.php | 336 | ||||
| -rw-r--r-- | plugins/enigma/lib/Crypt/GPG/Engine.php | 1758 | ||||
| -rw-r--r-- | plugins/enigma/lib/Crypt/GPG/Exceptions.php | 473 | ||||
| -rw-r--r-- | plugins/enigma/lib/Crypt/GPG/Key.php | 223 | ||||
| -rw-r--r-- | plugins/enigma/lib/Crypt/GPG/Signature.php | 428 | ||||
| -rw-r--r-- | plugins/enigma/lib/Crypt/GPG/SubKey.php | 649 | ||||
| -rw-r--r-- | plugins/enigma/lib/Crypt/GPG/UserId.php | 373 | ||||
| -rw-r--r-- | plugins/enigma/lib/Crypt/GPG/VerifyStatusHandler.php | 216 |
9 files changed, 0 insertions, 6998 deletions
diff --git a/plugins/enigma/lib/Crypt/GPG.php b/plugins/enigma/lib/Crypt/GPG.php deleted file mode 100644 index 6e8e717e8..000000000 --- a/plugins/enigma/lib/Crypt/GPG.php +++ /dev/null @@ -1,2542 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * Crypt_GPG is a package to use GPG from PHP - * - * This package provides an object oriented interface to GNU Privacy - * Guard (GPG). It requires the GPG executable to be on the system. - * - * Though GPG can support symmetric-key cryptography, this package is intended - * only to facilitate public-key cryptography. - * - * This file contains the main GPG class. The class in this file lets you - * encrypt, decrypt, sign and verify data; import and delete keys; and perform - * other useful GPG tasks. - * - * Example usage: - * <code> - * <?php - * // encrypt some data - * $gpg = new Crypt_GPG(); - * $gpg->addEncryptKey($mySecretKeyId); - * $encryptedData = $gpg->encrypt($data); - * ?> - * </code> - * - * PHP version 5 - * - * LICENSE: - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of the - * License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * @category Encryption - * @package Crypt_GPG - * @author Nathan Fredrickson <nathan@silverorange.com> - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2005-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @version CVS: $Id: GPG.php 302814 2010-08-26 15:43:07Z gauthierm $ - * @link http://pear.php.net/package/Crypt_GPG - * @link http://pear.php.net/manual/en/package.encryption.crypt-gpg.php - * @link http://www.gnupg.org/ - */ - -/** - * Signature handler class - */ -require_once 'Crypt/GPG/VerifyStatusHandler.php'; - -/** - * Decryption handler class - */ -require_once 'Crypt/GPG/DecryptStatusHandler.php'; - -/** - * GPG key class - */ -require_once 'Crypt/GPG/Key.php'; - -/** - * GPG sub-key class - */ -require_once 'Crypt/GPG/SubKey.php'; - -/** - * GPG user id class - */ -require_once 'Crypt/GPG/UserId.php'; - -/** - * GPG process and I/O engine class - */ -require_once 'Crypt/GPG/Engine.php'; - -/** - * GPG exception classes - */ -require_once 'Crypt/GPG/Exceptions.php'; - -// {{{ class Crypt_GPG - -/** - * A class to use GPG from PHP - * - * This class provides an object oriented interface to GNU Privacy Guard (GPG). - * - * Though GPG can support symmetric-key cryptography, this class is intended - * only to facilitate public-key cryptography. - * - * @category Encryption - * @package Crypt_GPG - * @author Nathan Fredrickson <nathan@silverorange.com> - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2005-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - * @link http://www.gnupg.org/ - */ -class Crypt_GPG -{ - // {{{ class error constants - - /** - * Error code returned when there is no error. - */ - const ERROR_NONE = 0; - - /** - * Error code returned when an unknown or unhandled error occurs. - */ - const ERROR_UNKNOWN = 1; - - /** - * Error code returned when a bad passphrase is used. - */ - const ERROR_BAD_PASSPHRASE = 2; - - /** - * Error code returned when a required passphrase is missing. - */ - const ERROR_MISSING_PASSPHRASE = 3; - - /** - * Error code returned when a key that is already in the keyring is - * imported. - */ - const ERROR_DUPLICATE_KEY = 4; - - /** - * Error code returned the required data is missing for an operation. - * - * This could be missing key data, missing encrypted data or missing - * signature data. - */ - const ERROR_NO_DATA = 5; - - /** - * Error code returned when an unsigned key is used. - */ - const ERROR_UNSIGNED_KEY = 6; - - /** - * Error code returned when a key that is not self-signed is used. - */ - const ERROR_NOT_SELF_SIGNED = 7; - - /** - * Error code returned when a public or private key that is not in the - * keyring is used. - */ - const ERROR_KEY_NOT_FOUND = 8; - - /** - * Error code returned when an attempt to delete public key having a - * private key is made. - */ - const ERROR_DELETE_PRIVATE_KEY = 9; - - /** - * Error code returned when one or more bad signatures are detected. - */ - const ERROR_BAD_SIGNATURE = 10; - - /** - * Error code returned when there is a problem reading GnuPG data files. - */ - const ERROR_FILE_PERMISSIONS = 11; - - // }}} - // {{{ class constants for data signing modes - - /** - * Signing mode for normal signing of data. The signed message will not - * be readable without special software. - * - * This is the default signing mode. - * - * @see Crypt_GPG::sign() - * @see Crypt_GPG::signFile() - */ - const SIGN_MODE_NORMAL = 1; - - /** - * Signing mode for clearsigning data. Clearsigned signatures are ASCII - * armored data and are readable without special software. If the signed - * message is unencrypted, the message will still be readable. The message - * text will be in the original encoding. - * - * @see Crypt_GPG::sign() - * @see Crypt_GPG::signFile() - */ - const SIGN_MODE_CLEAR = 2; - - /** - * Signing mode for creating a detached signature. When using detached - * signatures, only the signature data is returned. The original message - * text may be distributed separately from the signature data. This is - * useful for miltipart/signed email messages as per - * {@link http://www.ietf.org/rfc/rfc3156.txt RFC 3156}. - * - * @see Crypt_GPG::sign() - * @see Crypt_GPG::signFile() - */ - const SIGN_MODE_DETACHED = 3; - - // }}} - // {{{ class constants for fingerprint formats - - /** - * No formatting is performed. - * - * Example: C3BC615AD9C766E5A85C1F2716D27458B1BBA1C4 - * - * @see Crypt_GPG::getFingerprint() - */ - const FORMAT_NONE = 1; - - /** - * Fingerprint is formatted in the format used by the GnuPG gpg command's - * default output. - * - * Example: C3BC 615A D9C7 66E5 A85C 1F27 16D2 7458 B1BB A1C4 - * - * @see Crypt_GPG::getFingerprint() - */ - const FORMAT_CANONICAL = 2; - - /** - * Fingerprint is formatted in the format used when displaying X.509 - * certificates - * - * Example: C3:BC:61:5A:D9:C7:66:E5:A8:5C:1F:27:16:D2:74:58:B1:BB:A1:C4 - * - * @see Crypt_GPG::getFingerprint() - */ - const FORMAT_X509 = 3; - - // }}} - // {{{ other class constants - - /** - * URI at which package bugs may be reported. - */ - const BUG_URI = 'http://pear.php.net/bugs/report.php?package=Crypt_GPG'; - - // }}} - // {{{ protected class properties - - /** - * Engine used to control the GPG subprocess - * - * @var Crypt_GPG_Engine - * - * @see Crypt_GPG::setEngine() - */ - protected $engine = null; - - /** - * Keys used to encrypt - * - * The array is of the form: - * <code> - * array( - * $key_id => array( - * 'fingerprint' => $fingerprint, - * 'passphrase' => null - * ) - * ); - * </code> - * - * @var array - * @see Crypt_GPG::addEncryptKey() - * @see Crypt_GPG::clearEncryptKeys() - */ - protected $encryptKeys = array(); - - /** - * Keys used to decrypt - * - * The array is of the form: - * <code> - * array( - * $key_id => array( - * 'fingerprint' => $fingerprint, - * 'passphrase' => $passphrase - * ) - * ); - * </code> - * - * @var array - * @see Crypt_GPG::addSignKey() - * @see Crypt_GPG::clearSignKeys() - */ - protected $signKeys = array(); - - /** - * Keys used to sign - * - * The array is of the form: - * <code> - * array( - * $key_id => array( - * 'fingerprint' => $fingerprint, - * 'passphrase' => $passphrase - * ) - * ); - * </code> - * - * @var array - * @see Crypt_GPG::addDecryptKey() - * @see Crypt_GPG::clearDecryptKeys() - */ - protected $decryptKeys = array(); - - // }}} - // {{{ __construct() - - /** - * Creates a new GPG object - * - * Available options are: - * - * - <kbd>string homedir</kbd> - the directory where the GPG - * keyring files are stored. If not - * specified, Crypt_GPG uses the - * default of <kbd>~/.gnupg</kbd>. - * - <kbd>string publicKeyring</kbd> - the file path of the public - * keyring. Use this if the public - * keyring is not in the homedir, or - * if the keyring is in a directory - * not writable by the process - * invoking GPG (like Apache). Then - * you can specify the path to the - * keyring with this option - * (/foo/bar/pubring.gpg), and specify - * a writable directory (like /tmp) - * using the <i>homedir</i> option. - * - <kbd>string privateKeyring</kbd> - the file path of the private - * keyring. Use this if the private - * keyring is not in the homedir, or - * if the keyring is in a directory - * not writable by the process - * invoking GPG (like Apache). Then - * you can specify the path to the - * keyring with this option - * (/foo/bar/secring.gpg), and specify - * a writable directory (like /tmp) - * using the <i>homedir</i> option. - * - <kbd>string trustDb</kbd> - the file path of the web-of-trust - * database. Use this if the trust - * database is not in the homedir, or - * if the database is in a directory - * not writable by the process - * invoking GPG (like Apache). Then - * you can specify the path to the - * trust database with this option - * (/foo/bar/trustdb.gpg), and specify - * a writable directory (like /tmp) - * using the <i>homedir</i> option. - * - <kbd>string binary</kbd> - the location of the GPG binary. If - * not specified, the driver attempts - * to auto-detect the GPG binary - * location using a list of known - * default locations for the current - * operating system. The option - * <kbd>gpgBinary</kbd> is a - * deprecated alias for this option. - * - <kbd>boolean debug</kbd> - whether or not to use debug mode. - * When debug mode is on, all - * communication to and from the GPG - * subprocess is logged. This can be - * - * @param array $options optional. An array of options used to create the - * GPG object. All options are optional and are - * represented as key-value pairs. - * - * @throws Crypt_GPG_FileException if the <kbd>homedir</kbd> does not exist - * and cannot be created. This can happen if <kbd>homedir</kbd> is - * not specified, Crypt_GPG is run as the web user, and the web - * user has no home directory. This exception is also thrown if any - * of the options <kbd>publicKeyring</kbd>, - * <kbd>privateKeyring</kbd> or <kbd>trustDb</kbd> options are - * specified but the files do not exist or are are not readable. - * This can happen if the user running the Crypt_GPG process (for - * example, the Apache user) does not have permission to read the - * files. - * - * @throws PEAR_Exception if the provided <kbd>binary</kbd> is invalid, or - * if no <kbd>binary</kbd> is provided and no suitable binary could - * be found. - */ - public function __construct(array $options = array()) - { - $this->setEngine(new Crypt_GPG_Engine($options)); - } - - // }}} - // {{{ importKey() - - /** - * Imports a public or private key into the keyring - * - * Keys may be removed from the keyring using - * {@link Crypt_GPG::deletePublicKey()} or - * {@link Crypt_GPG::deletePrivateKey()}. - * - * @param string $data the key data to be imported. - * - * @return array an associative array containing the following elements: - * - <kbd>fingerprint</kbd> - the fingerprint of the - * imported key, - * - <kbd>public_imported</kbd> - the number of public - * keys imported, - * - <kbd>public_unchanged</kbd> - the number of unchanged - * public keys, - * - <kbd>private_imported</kbd> - the number of private - * keys imported, - * - <kbd>private_unchanged</kbd> - the number of unchanged - * private keys. - * - * @throws Crypt_GPG_NoDataException if the key data is missing or if the - * data is is not valid key data. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function importKey($data) - { - return $this->_importKey($data, false); - } - - // }}} - // {{{ importKeyFile() - - /** - * Imports a public or private key file into the keyring - * - * Keys may be removed from the keyring using - * {@link Crypt_GPG::deletePublicKey()} or - * {@link Crypt_GPG::deletePrivateKey()}. - * - * @param string $filename the key file to be imported. - * - * @return array an associative array containing the following elements: - * - <kbd>fingerprint</kbd> - the fingerprint of the - * imported key, - * - <kbd>public_imported</kbd> - the number of public - * keys imported, - * - <kbd>public_unchanged</kbd> - the number of unchanged - * public keys, - * - <kbd>private_imported</kbd> - the number of private - * keys imported, - * - <kbd>private_unchanged</kbd> - the number of unchanged - * private keys. - * private keys. - * - * @throws Crypt_GPG_NoDataException if the key data is missing or if the - * data is is not valid key data. - * - * @throws Crypt_GPG_FileException if the key file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function importKeyFile($filename) - { - return $this->_importKey($filename, true); - } - - // }}} - // {{{ exportPublicKey() - - /** - * Exports a public key from the keyring - * - * The exported key remains on the keyring. To delete the public key, use - * {@link Crypt_GPG::deletePublicKey()}. - * - * If more than one key fingerprint is available for the specified - * <kbd>$keyId</kbd> (for example, if you use a non-unique uid) only the - * first public key is exported. - * - * @param string $keyId either the full uid of the public key, the email - * part of the uid of the public key or the key id of - * the public key. For example, - * "Test User (example) <test@example.com>", - * "test@example.com" or a hexadecimal string. - * @param boolean $armor optional. If true, ASCII armored data is returned; - * otherwise, binary data is returned. Defaults to - * true. - * - * @return string the public key data. - * - * @throws Crypt_GPG_KeyNotFoundException if a public key with the given - * <kbd>$keyId</kbd> is not found. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function exportPublicKey($keyId, $armor = true) - { - $fingerprint = $this->getFingerprint($keyId); - - if ($fingerprint === null) { - throw new Crypt_GPG_KeyNotFoundException( - 'Public key not found: ' . $keyId, - Crypt_GPG::ERROR_KEY_NOT_FOUND, $keyId); - } - - $keyData = ''; - $operation = '--export ' . escapeshellarg($fingerprint); - $arguments = ($armor) ? array('--armor') : array(); - - $this->engine->reset(); - $this->engine->setOutput($keyData); - $this->engine->setOperation($operation, $arguments); - $this->engine->run(); - - $code = $this->engine->getErrorCode(); - - if ($code !== Crypt_GPG::ERROR_NONE) { - throw new Crypt_GPG_Exception( - 'Unknown error exporting public key. Please use the ' . - '\'debug\' option when creating the Crypt_GPG object, and ' . - 'file a bug report at ' . self::BUG_URI, $code); - } - - return $keyData; - } - - // }}} - // {{{ deletePublicKey() - - /** - * Deletes a public key from the keyring - * - * If more than one key fingerprint is available for the specified - * <kbd>$keyId</kbd> (for example, if you use a non-unique uid) only the - * first public key is deleted. - * - * The private key must be deleted first or an exception will be thrown. - * See {@link Crypt_GPG::deletePrivateKey()}. - * - * @param string $keyId either the full uid of the public key, the email - * part of the uid of the public key or the key id of - * the public key. For example, - * "Test User (example) <test@example.com>", - * "test@example.com" or a hexadecimal string. - * - * @return void - * - * @throws Crypt_GPG_KeyNotFoundException if a public key with the given - * <kbd>$keyId</kbd> is not found. - * - * @throws Crypt_GPG_DeletePrivateKeyException if the specified public key - * has an associated private key on the keyring. The private key - * must be deleted first. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function deletePublicKey($keyId) - { - $fingerprint = $this->getFingerprint($keyId); - - if ($fingerprint === null) { - throw new Crypt_GPG_KeyNotFoundException( - 'Public key not found: ' . $keyId, - Crypt_GPG::ERROR_KEY_NOT_FOUND, $keyId); - } - - $operation = '--delete-key ' . escapeshellarg($fingerprint); - $arguments = array( - '--batch', - '--yes' - ); - - $this->engine->reset(); - $this->engine->setOperation($operation, $arguments); - $this->engine->run(); - - $code = $this->engine->getErrorCode(); - - switch ($code) { - case Crypt_GPG::ERROR_NONE: - break; - case Crypt_GPG::ERROR_DELETE_PRIVATE_KEY: - throw new Crypt_GPG_DeletePrivateKeyException( - 'Private key must be deleted before public key can be ' . - 'deleted.', $code, $keyId); - default: - throw new Crypt_GPG_Exception( - 'Unknown error deleting public key. Please use the ' . - '\'debug\' option when creating the Crypt_GPG object, and ' . - 'file a bug report at ' . self::BUG_URI, $code); - } - } - - // }}} - // {{{ deletePrivateKey() - - /** - * Deletes a private key from the keyring - * - * If more than one key fingerprint is available for the specified - * <kbd>$keyId</kbd> (for example, if you use a non-unique uid) only the - * first private key is deleted. - * - * Calls GPG with the <kbd>--delete-secret-key</kbd> command. - * - * @param string $keyId either the full uid of the private key, the email - * part of the uid of the private key or the key id of - * the private key. For example, - * "Test User (example) <test@example.com>", - * "test@example.com" or a hexadecimal string. - * - * @return void - * - * @throws Crypt_GPG_KeyNotFoundException if a private key with the given - * <kbd>$keyId</kbd> is not found. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function deletePrivateKey($keyId) - { - $fingerprint = $this->getFingerprint($keyId); - - if ($fingerprint === null) { - throw new Crypt_GPG_KeyNotFoundException( - 'Private key not found: ' . $keyId, - Crypt_GPG::ERROR_KEY_NOT_FOUND, $keyId); - } - - $operation = '--delete-secret-key ' . escapeshellarg($fingerprint); - $arguments = array( - '--batch', - '--yes' - ); - - $this->engine->reset(); - $this->engine->setOperation($operation, $arguments); - $this->engine->run(); - - $code = $this->engine->getErrorCode(); - - switch ($code) { - case Crypt_GPG::ERROR_NONE: - break; - case Crypt_GPG::ERROR_KEY_NOT_FOUND: - throw new Crypt_GPG_KeyNotFoundException( - 'Private key not found: ' . $keyId, - $code, $keyId); - default: - throw new Crypt_GPG_Exception( - 'Unknown error deleting private key. Please use the ' . - '\'debug\' option when creating the Crypt_GPG object, and ' . - 'file a bug report at ' . self::BUG_URI, $code); - } - } - - // }}} - // {{{ getKeys() - - /** - * Gets the available keys in the keyring - * - * Calls GPG with the <kbd>--list-keys</kbd> command and grabs keys. See - * the first section of <b>doc/DETAILS</b> in the - * {@link http://www.gnupg.org/download/ GPG package} for a detailed - * description of how the GPG command output is parsed. - * - * @param string $keyId optional. Only keys with that match the specified - * pattern are returned. The pattern may be part of - * a user id, a key id or a key fingerprint. If not - * specified, all keys are returned. - * - * @return array an array of {@link Crypt_GPG_Key} objects. If no keys - * match the specified <kbd>$keyId</kbd> an empty array is - * returned. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - * - * @see Crypt_GPG_Key - */ - public function getKeys($keyId = '') - { - // get private key fingerprints - if ($keyId == '') { - $operation = '--list-secret-keys'; - } else { - $operation = '--list-secret-keys ' . escapeshellarg($keyId); - } - - // According to The file 'doc/DETAILS' in the GnuPG distribution, using - // double '--with-fingerprint' also prints the fingerprint for subkeys. - $arguments = array( - '--with-colons', - '--with-fingerprint', - '--with-fingerprint', - '--fixed-list-mode' - ); - - $output = ''; - - $this->engine->reset(); - $this->engine->setOutput($output); - $this->engine->setOperation($operation, $arguments); - $this->engine->run(); - - $code = $this->engine->getErrorCode(); - - switch ($code) { - case Crypt_GPG::ERROR_NONE: - case Crypt_GPG::ERROR_KEY_NOT_FOUND: - // ignore not found key errors - break; - case Crypt_GPG::ERROR_FILE_PERMISSIONS: - $filename = $this->engine->getErrorFilename(); - if ($filename) { - throw new Crypt_GPG_FileException(sprintf( - 'Error reading GnuPG data file \'%s\'. Check to make ' . - 'sure it is readable by the current user.', $filename), - $code, $filename); - } - throw new Crypt_GPG_FileException( - 'Error reading GnuPG data file. Check to make GnuPG data ' . - 'files are readable by the current user.', $code); - default: - throw new Crypt_GPG_Exception( - 'Unknown error getting keys. Please use the \'debug\' option ' . - 'when creating the Crypt_GPG object, and file a bug report ' . - 'at ' . self::BUG_URI, $code); - } - - $privateKeyFingerprints = array(); - - $lines = explode(PHP_EOL, $output); - foreach ($lines as $line) { - $lineExp = explode(':', $line); - if ($lineExp[0] == 'fpr') { - $privateKeyFingerprints[] = $lineExp[9]; - } - } - - // get public keys - if ($keyId == '') { - $operation = '--list-public-keys'; - } else { - $operation = '--list-public-keys ' . escapeshellarg($keyId); - } - - $output = ''; - - $this->engine->reset(); - $this->engine->setOutput($output); - $this->engine->setOperation($operation, $arguments); - $this->engine->run(); - - $code = $this->engine->getErrorCode(); - - switch ($code) { - case Crypt_GPG::ERROR_NONE: - case Crypt_GPG::ERROR_KEY_NOT_FOUND: - // ignore not found key errors - break; - case Crypt_GPG::ERROR_FILE_PERMISSIONS: - $filename = $this->engine->getErrorFilename(); - if ($filename) { - throw new Crypt_GPG_FileException(sprintf( - 'Error reading GnuPG data file \'%s\'. Check to make ' . - 'sure it is readable by the current user.', $filename), - $code, $filename); - } - throw new Crypt_GPG_FileException( - 'Error reading GnuPG data file. Check to make GnuPG data ' . - 'files are readable by the current user.', $code); - default: - throw new Crypt_GPG_Exception( - 'Unknown error getting keys. Please use the \'debug\' option ' . - 'when creating the Crypt_GPG object, and file a bug report ' . - 'at ' . self::BUG_URI, $code); - } - - $keys = array(); - - $key = null; // current key - $subKey = null; // current sub-key - - $lines = explode(PHP_EOL, $output); - foreach ($lines as $line) { - $lineExp = explode(':', $line); - - if ($lineExp[0] == 'pub') { - - // new primary key means last key should be added to the array - if ($key !== null) { - $keys[] = $key; - } - - $key = new Crypt_GPG_Key(); - - $subKey = Crypt_GPG_SubKey::parse($line); - $key->addSubKey($subKey); - - } elseif ($lineExp[0] == 'sub') { - - $subKey = Crypt_GPG_SubKey::parse($line); - $key->addSubKey($subKey); - - } elseif ($lineExp[0] == 'fpr') { - - $fingerprint = $lineExp[9]; - - // set current sub-key fingerprint - $subKey->setFingerprint($fingerprint); - - // if private key exists, set has private to true - if (in_array($fingerprint, $privateKeyFingerprints)) { - $subKey->setHasPrivate(true); - } - - } elseif ($lineExp[0] == 'uid') { - - $string = stripcslashes($lineExp[9]); // as per documentation - $userId = new Crypt_GPG_UserId($string); - - if ($lineExp[1] == 'r') { - $userId->setRevoked(true); - } - - $key->addUserId($userId); - - } - } - - // add last key - if ($key !== null) { - $keys[] = $key; - } - - return $keys; - } - - // }}} - // {{{ getFingerprint() - - /** - * Gets a key fingerprint from the keyring - * - * If more than one key fingerprint is available (for example, if you use - * a non-unique user id) only the first key fingerprint is returned. - * - * Calls the GPG <kbd>--list-keys</kbd> command with the - * <kbd>--with-fingerprint</kbd> option to retrieve a public key - * fingerprint. - * - * @param string $keyId either the full user id of the key, the email - * part of the user id of the key, or the key id of - * the key. For example, - * "Test User (example) <test@example.com>", - * "test@example.com" or a hexadecimal string. - * @param integer $format optional. How the fingerprint should be formatted. - * Use {@link Crypt_GPG::FORMAT_X509} for X.509 - * certificate format, - * {@link Crypt_GPG::FORMAT_CANONICAL} for the format - * used by GnuPG output and - * {@link Crypt_GPG::FORMAT_NONE} for no formatting. - * Defaults to <code>Crypt_GPG::FORMAT_NONE</code>. - * - * @return string the fingerprint of the key, or null if no fingerprint - * is found for the given <kbd>$keyId</kbd>. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function getFingerprint($keyId, $format = Crypt_GPG::FORMAT_NONE) - { - $output = ''; - $operation = '--list-keys ' . escapeshellarg($keyId); - $arguments = array( - '--with-colons', - '--with-fingerprint' - ); - - $this->engine->reset(); - $this->engine->setOutput($output); - $this->engine->setOperation($operation, $arguments); - $this->engine->run(); - - $code = $this->engine->getErrorCode(); - - switch ($code) { - case Crypt_GPG::ERROR_NONE: - case Crypt_GPG::ERROR_KEY_NOT_FOUND: - // ignore not found key errors - break; - default: - throw new Crypt_GPG_Exception( - 'Unknown error getting key fingerprint. Please use the ' . - '\'debug\' option when creating the Crypt_GPG object, and ' . - 'file a bug report at ' . self::BUG_URI, $code); - } - - $fingerprint = null; - - $lines = explode(PHP_EOL, $output); - foreach ($lines as $line) { - if (substr($line, 0, 3) == 'fpr') { - $lineExp = explode(':', $line); - $fingerprint = $lineExp[9]; - - switch ($format) { - case Crypt_GPG::FORMAT_CANONICAL: - $fingerprintExp = str_split($fingerprint, 4); - $format = '%s %s %s %s %s %s %s %s %s %s'; - $fingerprint = vsprintf($format, $fingerprintExp); - break; - - case Crypt_GPG::FORMAT_X509: - $fingerprintExp = str_split($fingerprint, 2); - $fingerprint = implode(':', $fingerprintExp); - break; - } - - break; - } - } - - return $fingerprint; - } - - // }}} - // {{{ encrypt() - - /** - * Encrypts string data - * - * Data is ASCII armored by default but may optionally be returned as - * binary. - * - * @param string $data the data to be encrypted. - * @param boolean $armor optional. If true, ASCII armored data is returned; - * otherwise, binary data is returned. Defaults to - * true. - * - * @return string the encrypted data. - * - * @throws Crypt_GPG_KeyNotFoundException if no encryption key is specified. - * See {@link Crypt_GPG::addEncryptKey()}. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - * - * @sensitive $data - */ - public function encrypt($data, $armor = true) - { - return $this->_encrypt($data, false, null, $armor); - } - - // }}} - // {{{ encryptFile() - - /** - * Encrypts a file - * - * Encrypted data is ASCII armored by default but may optionally be saved - * as binary. - * - * @param string $filename the filename of the file to encrypt. - * @param string $encryptedFile optional. The filename of the file in - * which to store the encrypted data. If null - * or unspecified, the encrypted data is - * returned as a string. - * @param boolean $armor optional. If true, ASCII armored data is - * returned; otherwise, binary data is - * returned. Defaults to true. - * - * @return void|string if the <kbd>$encryptedFile</kbd> parameter is null, - * a string containing the encrypted data is returned. - * - * @throws Crypt_GPG_KeyNotFoundException if no encryption key is specified. - * See {@link Crypt_GPG::addEncryptKey()}. - * - * @throws Crypt_GPG_FileException if the output file is not writeable or - * if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function encryptFile($filename, $encryptedFile = null, $armor = true) - { - return $this->_encrypt($filename, true, $encryptedFile, $armor); - } - - // }}} - // {{{ encryptAndSign() - - /** - * Encrypts and signs data - * - * Data is encrypted and signed in a single pass. - * - * NOTE: Until GnuPG version 1.4.10, it was not possible to verify - * encrypted-signed data without decrypting it at the same time. If you try - * to use {@link Crypt_GPG::verify()} method on encrypted-signed data with - * earlier GnuPG versions, you will get an error. Please use - * {@link Crypt_GPG::decryptAndVerify()} to verify encrypted-signed data. - * - * @param string $data the data to be encrypted and signed. - * @param boolean $armor optional. If true, ASCII armored data is returned; - * otherwise, binary data is returned. Defaults to - * true. - * - * @return string the encrypted signed data. - * - * @throws Crypt_GPG_KeyNotFoundException if no encryption key is specified - * or if no signing key is specified. See - * {@link Crypt_GPG::addEncryptKey()} and - * {@link Crypt_GPG::addSignKey()}. - * - * @throws Crypt_GPG_BadPassphraseException if a specified passphrase is - * incorrect or if a required passphrase is not specified. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - * - * @see Crypt_GPG::decryptAndVerify() - */ - public function encryptAndSign($data, $armor = true) - { - return $this->_encryptAndSign($data, false, null, $armor); - } - - // }}} - // {{{ encryptAndSignFile() - - /** - * Encrypts and signs a file - * - * The file is encrypted and signed in a single pass. - * - * NOTE: Until GnuPG version 1.4.10, it was not possible to verify - * encrypted-signed files without decrypting them at the same time. If you - * try to use {@link Crypt_GPG::verify()} method on encrypted-signed files - * with earlier GnuPG versions, you will get an error. Please use - * {@link Crypt_GPG::decryptAndVerifyFile()} to verify encrypted-signed - * files. - * - * @param string $filename the name of the file containing the data to - * be encrypted and signed. - * @param string $signedFile optional. The name of the file in which the - * encrypted, signed data should be stored. If - * null or unspecified, the encrypted, signed - * data is returned as a string. - * @param boolean $armor optional. If true, ASCII armored data is - * returned; otherwise, binary data is returned. - * Defaults to true. - * - * @return void|string if the <kbd>$signedFile</kbd> parameter is null, a - * string containing the encrypted, signed data is - * returned. - * - * @throws Crypt_GPG_KeyNotFoundException if no encryption key is specified - * or if no signing key is specified. See - * {@link Crypt_GPG::addEncryptKey()} and - * {@link Crypt_GPG::addSignKey()}. - * - * @throws Crypt_GPG_BadPassphraseException if a specified passphrase is - * incorrect or if a required passphrase is not specified. - * - * @throws Crypt_GPG_FileException if the output file is not writeable or - * if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - * - * @see Crypt_GPG::decryptAndVerifyFile() - */ - public function encryptAndSignFile($filename, $signedFile = null, - $armor = true - ) { - return $this->_encryptAndSign($filename, true, $signedFile, $armor); - } - - // }}} - // {{{ decrypt() - - /** - * Decrypts string data - * - * This method assumes the required private key is available in the keyring - * and throws an exception if the private key is not available. To add a - * private key to the keyring, use the {@link Crypt_GPG::importKey()} or - * {@link Crypt_GPG::importKeyFile()} methods. - * - * @param string $encryptedData the data to be decrypted. - * - * @return string the decrypted data. - * - * @throws Crypt_GPG_KeyNotFoundException if the private key needed to - * decrypt the data is not in the user's keyring. - * - * @throws Crypt_GPG_NoDataException if specified data does not contain - * GPG encrypted data. - * - * @throws Crypt_GPG_BadPassphraseException if a required passphrase is - * incorrect or if a required passphrase is not specified. See - * {@link Crypt_GPG::addDecryptKey()}. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function decrypt($encryptedData) - { - return $this->_decrypt($encryptedData, false, null); - } - - // }}} - // {{{ decryptFile() - - /** - * Decrypts a file - * - * This method assumes the required private key is available in the keyring - * and throws an exception if the private key is not available. To add a - * private key to the keyring, use the {@link Crypt_GPG::importKey()} or - * {@link Crypt_GPG::importKeyFile()} methods. - * - * @param string $encryptedFile the name of the encrypted file data to - * decrypt. - * @param string $decryptedFile optional. The name of the file to which the - * decrypted data should be written. If null - * or unspecified, the decrypted data is - * returned as a string. - * - * @return void|string if the <kbd>$decryptedFile</kbd> parameter is null, - * a string containing the decrypted data is returned. - * - * @throws Crypt_GPG_KeyNotFoundException if the private key needed to - * decrypt the data is not in the user's keyring. - * - * @throws Crypt_GPG_NoDataException if specified data does not contain - * GPG encrypted data. - * - * @throws Crypt_GPG_BadPassphraseException if a required passphrase is - * incorrect or if a required passphrase is not specified. See - * {@link Crypt_GPG::addDecryptKey()}. - * - * @throws Crypt_GPG_FileException if the output file is not writeable or - * if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function decryptFile($encryptedFile, $decryptedFile = null) - { - return $this->_decrypt($encryptedFile, true, $decryptedFile); - } - - // }}} - // {{{ decryptAndVerify() - - /** - * Decrypts and verifies string data - * - * This method assumes the required private key is available in the keyring - * and throws an exception if the private key is not available. To add a - * private key to the keyring, use the {@link Crypt_GPG::importKey()} or - * {@link Crypt_GPG::importKeyFile()} methods. - * - * @param string $encryptedData the encrypted, signed data to be decrypted - * and verified. - * - * @return array two element array. The array has an element 'data' - * containing the decrypted data and an element - * 'signatures' containing an array of - * {@link Crypt_GPG_Signature} objects for the signed data. - * - * @throws Crypt_GPG_KeyNotFoundException if the private key needed to - * decrypt the data is not in the user's keyring. - * - * @throws Crypt_GPG_NoDataException if specified data does not contain - * GPG encrypted data. - * - * @throws Crypt_GPG_BadPassphraseException if a required passphrase is - * incorrect or if a required passphrase is not specified. See - * {@link Crypt_GPG::addDecryptKey()}. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function decryptAndVerify($encryptedData) - { - return $this->_decryptAndVerify($encryptedData, false, null); - } - - // }}} - // {{{ decryptAndVerifyFile() - - /** - * Decrypts and verifies a signed, encrypted file - * - * This method assumes the required private key is available in the keyring - * and throws an exception if the private key is not available. To add a - * private key to the keyring, use the {@link Crypt_GPG::importKey()} or - * {@link Crypt_GPG::importKeyFile()} methods. - * - * @param string $encryptedFile the name of the signed, encrypted file to - * to decrypt and verify. - * @param string $decryptedFile optional. The name of the file to which the - * decrypted data should be written. If null - * or unspecified, the decrypted data is - * returned in the results array. - * - * @return array two element array. The array has an element 'data' - * containing the decrypted data and an element - * 'signatures' containing an array of - * {@link Crypt_GPG_Signature} objects for the signed data. - * If the decrypted data is written to a file, the 'data' - * element is null. - * - * @throws Crypt_GPG_KeyNotFoundException if the private key needed to - * decrypt the data is not in the user's keyring. - * - * @throws Crypt_GPG_NoDataException if specified data does not contain - * GPG encrypted data. - * - * @throws Crypt_GPG_BadPassphraseException if a required passphrase is - * incorrect or if a required passphrase is not specified. See - * {@link Crypt_GPG::addDecryptKey()}. - * - * @throws Crypt_GPG_FileException if the output file is not writeable or - * if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function decryptAndVerifyFile($encryptedFile, $decryptedFile = null) - { - return $this->_decryptAndVerify($encryptedFile, true, $decryptedFile); - } - - // }}} - // {{{ sign() - - /** - * Signs data - * - * Data may be signed using any one of the three available signing modes: - * - {@link Crypt_GPG::SIGN_MODE_NORMAL} - * - {@link Crypt_GPG::SIGN_MODE_CLEAR} - * - {@link Crypt_GPG::SIGN_MODE_DETACHED} - * - * @param string $data the data to be signed. - * @param boolean $mode optional. The data signing mode to use. Should - * be one of {@link Crypt_GPG::SIGN_MODE_NORMAL}, - * {@link Crypt_GPG::SIGN_MODE_CLEAR} or - * {@link Crypt_GPG::SIGN_MODE_DETACHED}. If not - * specified, defaults to - * <kbd>Crypt_GPG::SIGN_MODE_NORMAL</kbd>. - * @param boolean $armor optional. If true, ASCII armored data is - * returned; otherwise, binary data is returned. - * Defaults to true. This has no effect if the - * mode <kbd>Crypt_GPG::SIGN_MODE_CLEAR</kbd> is - * used. - * @param boolean $textmode optional. If true, line-breaks in signed data - * are normalized. Use this option when signing - * e-mail, or for greater compatibility between - * systems with different line-break formats. - * Defaults to false. This has no effect if the - * mode <kbd>Crypt_GPG::SIGN_MODE_CLEAR</kbd> is - * used as clear-signing always uses textmode. - * - * @return string the signed data, or the signature data if a detached - * signature is requested. - * - * @throws Crypt_GPG_KeyNotFoundException if no signing key is specified. - * See {@link Crypt_GPG::addSignKey()}. - * - * @throws Crypt_GPG_BadPassphraseException if a specified passphrase is - * incorrect or if a required passphrase is not specified. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function sign($data, $mode = Crypt_GPG::SIGN_MODE_NORMAL, - $armor = true, $textmode = false - ) { - return $this->_sign($data, false, null, $mode, $armor, $textmode); - } - - // }}} - // {{{ signFile() - - /** - * Signs a file - * - * The file may be signed using any one of the three available signing - * modes: - * - {@link Crypt_GPG::SIGN_MODE_NORMAL} - * - {@link Crypt_GPG::SIGN_MODE_CLEAR} - * - {@link Crypt_GPG::SIGN_MODE_DETACHED} - * - * @param string $filename the name of the file containing the data to - * be signed. - * @param string $signedFile optional. The name of the file in which the - * signed data should be stored. If null or - * unspecified, the signed data is returned as a - * string. - * @param boolean $mode optional. The data signing mode to use. Should - * be one of {@link Crypt_GPG::SIGN_MODE_NORMAL}, - * {@link Crypt_GPG::SIGN_MODE_CLEAR} or - * {@link Crypt_GPG::SIGN_MODE_DETACHED}. If not - * specified, defaults to - * <kbd>Crypt_GPG::SIGN_MODE_NORMAL</kbd>. - * @param boolean $armor optional. If true, ASCII armored data is - * returned; otherwise, binary data is returned. - * Defaults to true. This has no effect if the - * mode <kbd>Crypt_GPG::SIGN_MODE_CLEAR</kbd> is - * used. - * @param boolean $textmode optional. If true, line-breaks in signed data - * are normalized. Use this option when signing - * e-mail, or for greater compatibility between - * systems with different line-break formats. - * Defaults to false. This has no effect if the - * mode <kbd>Crypt_GPG::SIGN_MODE_CLEAR</kbd> is - * used as clear-signing always uses textmode. - * - * @return void|string if the <kbd>$signedFile</kbd> parameter is null, a - * string containing the signed data (or the signature - * data if a detached signature is requested) is - * returned. - * - * @throws Crypt_GPG_KeyNotFoundException if no signing key is specified. - * See {@link Crypt_GPG::addSignKey()}. - * - * @throws Crypt_GPG_BadPassphraseException if a specified passphrase is - * incorrect or if a required passphrase is not specified. - * - * @throws Crypt_GPG_FileException if the output file is not writeable or - * if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - public function signFile($filename, $signedFile = null, - $mode = Crypt_GPG::SIGN_MODE_NORMAL, $armor = true, $textmode = false - ) { - return $this->_sign( - $filename, - true, - $signedFile, - $mode, - $armor, - $textmode - ); - } - - // }}} - // {{{ verify() - - /** - * Verifies signed data - * - * The {@link Crypt_GPG::decrypt()} method may be used to get the original - * message if the signed data is not clearsigned and does not use a - * detached signature. - * - * @param string $signedData the signed data to be verified. - * @param string $signature optional. If verifying data signed using a - * detached signature, this must be the detached - * signature data. The data that was signed is - * specified in <kbd>$signedData</kbd>. - * - * @return array an array of {@link Crypt_GPG_Signature} objects for the - * signed data. For each signature that is valid, the - * {@link Crypt_GPG_Signature::isValid()} will return true. - * - * @throws Crypt_GPG_NoDataException if the provided data is not signed - * data. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - * - * @see Crypt_GPG_Signature - */ - public function verify($signedData, $signature = '') - { - return $this->_verify($signedData, false, $signature); - } - - // }}} - // {{{ verifyFile() - - /** - * Verifies a signed file - * - * The {@link Crypt_GPG::decryptFile()} method may be used to get the - * original message if the signed data is not clearsigned and does not use - * a detached signature. - * - * @param string $filename the signed file to be verified. - * @param string $signature optional. If verifying a file signed using a - * detached signature, this must be the detached - * signature data. The file that was signed is - * specified in <kbd>$filename</kbd>. - * - * @return array an array of {@link Crypt_GPG_Signature} objects for the - * signed data. For each signature that is valid, the - * {@link Crypt_GPG_Signature::isValid()} will return true. - * - * @throws Crypt_GPG_NoDataException if the provided data is not signed - * data. - * - * @throws Crypt_GPG_FileException if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - * - * @see Crypt_GPG_Signature - */ - public function verifyFile($filename, $signature = '') - { - return $this->_verify($filename, true, $signature); - } - - // }}} - // {{{ addDecryptKey() - - /** - * Adds a key to use for decryption - * - * @param mixed $key the key to use. This may be a key identifier, - * user id, fingerprint, {@link Crypt_GPG_Key} or - * {@link Crypt_GPG_SubKey}. The key must be able - * to encrypt. - * @param string $passphrase optional. The passphrase of the key required - * for decryption. - * - * @return void - * - * @see Crypt_GPG::decrypt() - * @see Crypt_GPG::decryptFile() - * @see Crypt_GPG::clearDecryptKeys() - * @see Crypt_GPG::_addKey() - * @see Crypt_GPG_DecryptStatusHandler - * - * @sensitive $passphrase - */ - public function addDecryptKey($key, $passphrase = null) - { - $this->_addKey($this->decryptKeys, true, false, $key, $passphrase); - } - - // }}} - // {{{ addEncryptKey() - - /** - * Adds a key to use for encryption - * - * @param mixed $key the key to use. This may be a key identifier, user id - * user id, fingerprint, {@link Crypt_GPG_Key} or - * {@link Crypt_GPG_SubKey}. The key must be able to - * encrypt. - * - * @return void - * - * @see Crypt_GPG::encrypt() - * @see Crypt_GPG::encryptFile() - * @see Crypt_GPG::clearEncryptKeys() - * @see Crypt_GPG::_addKey() - */ - public function addEncryptKey($key) - { - $this->_addKey($this->encryptKeys, true, false, $key); - } - - // }}} - // {{{ addSignKey() - - /** - * Adds a key to use for signing - * - * @param mixed $key the key to use. This may be a key identifier, - * user id, fingerprint, {@link Crypt_GPG_Key} or - * {@link Crypt_GPG_SubKey}. The key must be able - * to sign. - * @param string $passphrase optional. The passphrase of the key required - * for signing. - * - * @return void - * - * @see Crypt_GPG::sign() - * @see Crypt_GPG::signFile() - * @see Crypt_GPG::clearSignKeys() - * @see Crypt_GPG::handleSignStatus() - * @see Crypt_GPG::_addKey() - * - * @sensitive $passphrase - */ - public function addSignKey($key, $passphrase = null) - { - $this->_addKey($this->signKeys, false, true, $key, $passphrase); - } - - // }}} - // {{{ clearDecryptKeys() - - /** - * Clears all decryption keys - * - * @return void - * - * @see Crypt_GPG::decrypt() - * @see Crypt_GPG::addDecryptKey() - */ - public function clearDecryptKeys() - { - $this->decryptKeys = array(); - } - - // }}} - // {{{ clearEncryptKeys() - - /** - * Clears all encryption keys - * - * @return void - * - * @see Crypt_GPG::encrypt() - * @see Crypt_GPG::addEncryptKey() - */ - public function clearEncryptKeys() - { - $this->encryptKeys = array(); - } - - // }}} - // {{{ clearSignKeys() - - /** - * Clears all signing keys - * - * @return void - * - * @see Crypt_GPG::sign() - * @see Crypt_GPG::addSignKey() - */ - public function clearSignKeys() - { - $this->signKeys = array(); - } - - // }}} - // {{{ handleSignStatus() - - /** - * Handles the status output from GPG for the sign operation - * - * This method is responsible for sending the passphrase commands when - * required by the {@link Crypt_GPG::sign()} method. See <b>doc/DETAILS</b> - * in the {@link http://www.gnupg.org/download/ GPG distribution} for - * detailed information on GPG's status output. - * - * @param string $line the status line to handle. - * - * @return void - * - * @see Crypt_GPG::sign() - */ - public function handleSignStatus($line) - { - $tokens = explode(' ', $line); - switch ($tokens[0]) { - case 'NEED_PASSPHRASE': - $subKeyId = $tokens[1]; - if (array_key_exists($subKeyId, $this->signKeys)) { - $passphrase = $this->signKeys[$subKeyId]['passphrase']; - $this->engine->sendCommand($passphrase); - } else { - $this->engine->sendCommand(''); - } - break; - } - } - - // }}} - // {{{ handleImportKeyStatus() - - /** - * Handles the status output from GPG for the import operation - * - * This method is responsible for building the result array that is - * returned from the {@link Crypt_GPG::importKey()} method. See - * <b>doc/DETAILS</b> in the - * {@link http://www.gnupg.org/download/ GPG distribution} for detailed - * information on GPG's status output. - * - * @param string $line the status line to handle. - * @param array &$result the current result array being processed. - * - * @return void - * - * @see Crypt_GPG::importKey() - * @see Crypt_GPG::importKeyFile() - * @see Crypt_GPG_Engine::addStatusHandler() - */ - public function handleImportKeyStatus($line, array &$result) - { - $tokens = explode(' ', $line); - switch ($tokens[0]) { - case 'IMPORT_OK': - $result['fingerprint'] = $tokens[2]; - break; - - case 'IMPORT_RES': - $result['public_imported'] = intval($tokens[3]); - $result['public_unchanged'] = intval($tokens[5]); - $result['private_imported'] = intval($tokens[11]); - $result['private_unchanged'] = intval($tokens[12]); - break; - } - } - - // }}} - // {{{ setEngine() - - /** - * Sets the I/O engine to use for GnuPG operations - * - * Normally this method does not need to be used. It provides a means for - * dependency injection. - * - * @param Crypt_GPG_Engine $engine the engine to use. - * - * @return void - */ - public function setEngine(Crypt_GPG_Engine $engine) - { - $this->engine = $engine; - } - - // }}} - // {{{ _addKey() - - /** - * Adds a key to one of the internal key arrays - * - * This handles resolving full key objects from the provided - * <kbd>$key</kbd> value. - * - * @param array &$array the array to which the key should be added. - * @param boolean $encrypt whether or not the key must be able to - * encrypt. - * @param boolean $sign whether or not the key must be able to sign. - * @param mixed $key the key to add. This may be a key identifier, - * user id, fingerprint, {@link Crypt_GPG_Key} or - * {@link Crypt_GPG_SubKey}. - * @param string $passphrase optional. The passphrase associated with the - * key. - * - * @return void - * - * @sensitive $passphrase - */ - private function _addKey(array &$array, $encrypt, $sign, $key, - $passphrase = null - ) { - $subKeys = array(); - - if (is_scalar($key)) { - $keys = $this->getKeys($key); - if (count($keys) == 0) { - throw new Crypt_GPG_KeyNotFoundException( - 'Key "' . $key . '" not found.', 0, $key); - } - $key = $keys[0]; - } - - if ($key instanceof Crypt_GPG_Key) { - if ($encrypt && !$key->canEncrypt()) { - throw new InvalidArgumentException( - 'Key "' . $key . '" cannot encrypt.'); - } - - if ($sign && !$key->canSign()) { - throw new InvalidArgumentException( - 'Key "' . $key . '" cannot sign.'); - } - - foreach ($key->getSubKeys() as $subKey) { - $canEncrypt = $subKey->canEncrypt(); - $canSign = $subKey->canSign(); - if ( ($encrypt && $sign && $canEncrypt && $canSign) - || ($encrypt && !$sign && $canEncrypt) - || (!$encrypt && $sign && $canSign) - ) { - // We add all subkeys that meet the requirements because we - // were not told which subkey is required. - $subKeys[] = $subKey; - } - } - } elseif ($key instanceof Crypt_GPG_SubKey) { - $subKeys[] = $key; - } - - if (count($subKeys) === 0) { - throw new InvalidArgumentException( - 'Key "' . $key . '" is not in a recognized format.'); - } - - foreach ($subKeys as $subKey) { - if ($encrypt && !$subKey->canEncrypt()) { - throw new InvalidArgumentException( - 'Key "' . $key . '" cannot encrypt.'); - } - - if ($sign && !$subKey->canSign()) { - throw new InvalidArgumentException( - 'Key "' . $key . '" cannot sign.'); - } - - $array[$subKey->getId()] = array( - 'fingerprint' => $subKey->getFingerprint(), - 'passphrase' => $passphrase - ); - } - } - - // }}} - // {{{ _importKey() - - /** - * Imports a public or private key into the keyring - * - * @param string $key the key to be imported. - * @param boolean $isFile whether or not the input is a filename. - * - * @return array an associative array containing the following elements: - * - <kbd>fingerprint</kbd> - the fingerprint of the - * imported key, - * - <kbd>public_imported</kbd> - the number of public - * keys imported, - * - <kbd>public_unchanged</kbd> - the number of unchanged - * public keys, - * - <kbd>private_imported</kbd> - the number of private - * keys imported, - * - <kbd>private_unchanged</kbd> - the number of unchanged - * private keys. - * - * @throws Crypt_GPG_NoDataException if the key data is missing or if the - * data is is not valid key data. - * - * @throws Crypt_GPG_FileException if the key file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - private function _importKey($key, $isFile) - { - $result = array(); - - if ($isFile) { - $input = @fopen($key, 'rb'); - if ($input === false) { - throw new Crypt_GPG_FileException('Could not open key file "' . - $key . '" for importing.', 0, $key); - } - } else { - $input = strval($key); - if ($input == '') { - throw new Crypt_GPG_NoDataException( - 'No valid GPG key data found.', Crypt_GPG::ERROR_NO_DATA); - } - } - - $arguments = array(); - $version = $this->engine->getVersion(); - - if ( version_compare($version, '1.0.5', 'ge') - && version_compare($version, '1.0.7', 'lt') - ) { - $arguments[] = '--allow-secret-key-import'; - } - - $this->engine->reset(); - $this->engine->addStatusHandler( - array($this, 'handleImportKeyStatus'), - array(&$result) - ); - - $this->engine->setOperation('--import', $arguments); - $this->engine->setInput($input); - $this->engine->run(); - - if ($isFile) { - fclose($input); - } - - $code = $this->engine->getErrorCode(); - - switch ($code) { - case Crypt_GPG::ERROR_DUPLICATE_KEY: - case Crypt_GPG::ERROR_NONE: - // ignore duplicate key import errors - break; - case Crypt_GPG::ERROR_NO_DATA: - throw new Crypt_GPG_NoDataException( - 'No valid GPG key data found.', $code); - default: - throw new Crypt_GPG_Exception( - 'Unknown error importing GPG key. Please use the \'debug\' ' . - 'option when creating the Crypt_GPG object, and file a bug ' . - 'report at ' . self::BUG_URI, $code); - } - - return $result; - } - - // }}} - // {{{ _encrypt() - - /** - * Encrypts data - * - * @param string $data the data to encrypt. - * @param boolean $isFile whether or not the data is a filename. - * @param string $outputFile the filename of the file in which to store - * the encrypted data. If null, the encrypted - * data is returned as a string. - * @param boolean $armor if true, ASCII armored data is returned; - * otherwise, binary data is returned. - * - * @return void|string if the <kbd>$outputFile</kbd> parameter is null, a - * string containing the encrypted data is returned. - * - * @throws Crypt_GPG_KeyNotFoundException if no encryption key is specified. - * See {@link Crypt_GPG::addEncryptKey()}. - * - * @throws Crypt_GPG_FileException if the output file is not writeable or - * if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - private function _encrypt($data, $isFile, $outputFile, $armor) - { - if (count($this->encryptKeys) === 0) { - throw new Crypt_GPG_KeyNotFoundException( - 'No encryption keys specified.'); - } - - if ($isFile) { - $input = @fopen($data, 'rb'); - if ($input === false) { - throw new Crypt_GPG_FileException('Could not open input file "' . - $data . '" for encryption.', 0, $data); - } - } else { - $input = strval($data); - } - - if ($outputFile === null) { - $output = ''; - } else { - $output = @fopen($outputFile, 'wb'); - if ($output === false) { - if ($isFile) { - fclose($input); - } - throw new Crypt_GPG_FileException('Could not open output ' . - 'file "' . $outputFile . '" for storing encrypted data.', - 0, $outputFile); - } - } - - $arguments = ($armor) ? array('--armor') : array(); - foreach ($this->encryptKeys as $key) { - $arguments[] = '--recipient ' . escapeshellarg($key['fingerprint']); - } - - $this->engine->reset(); - $this->engine->setInput($input); - $this->engine->setOutput($output); - $this->engine->setOperation('--encrypt', $arguments); - $this->engine->run(); - - if ($isFile) { - fclose($input); - } - - if ($outputFile !== null) { - fclose($output); - } - - $code = $this->engine->getErrorCode(); - - if ($code !== Crypt_GPG::ERROR_NONE) { - throw new Crypt_GPG_Exception( - 'Unknown error encrypting data. Please use the \'debug\' ' . - 'option when creating the Crypt_GPG object, and file a bug ' . - 'report at ' . self::BUG_URI, $code); - } - - if ($outputFile === null) { - return $output; - } - } - - // }}} - // {{{ _decrypt() - - /** - * Decrypts data - * - * @param string $data the data to be decrypted. - * @param boolean $isFile whether or not the data is a filename. - * @param string $outputFile the name of the file to which the decrypted - * data should be written. If null, the decrypted - * data is returned as a string. - * - * @return void|string if the <kbd>$outputFile</kbd> parameter is null, a - * string containing the decrypted data is returned. - * - * @throws Crypt_GPG_KeyNotFoundException if the private key needed to - * decrypt the data is not in the user's keyring. - * - * @throws Crypt_GPG_NoDataException if specified data does not contain - * GPG encrypted data. - * - * @throws Crypt_GPG_BadPassphraseException if a required passphrase is - * incorrect or if a required passphrase is not specified. See - * {@link Crypt_GPG::addDecryptKey()}. - * - * @throws Crypt_GPG_FileException if the output file is not writeable or - * if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - private function _decrypt($data, $isFile, $outputFile) - { - if ($isFile) { - $input = @fopen($data, 'rb'); - if ($input === false) { - throw new Crypt_GPG_FileException('Could not open input file "' . - $data . '" for decryption.', 0, $data); - } - } else { - $input = strval($data); - if ($input == '') { - throw new Crypt_GPG_NoDataException( - 'Cannot decrypt data. No PGP encrypted data was found in '. - 'the provided data.', Crypt_GPG::ERROR_NO_DATA); - } - } - - if ($outputFile === null) { - $output = ''; - } else { - $output = @fopen($outputFile, 'wb'); - if ($output === false) { - if ($isFile) { - fclose($input); - } - throw new Crypt_GPG_FileException('Could not open output ' . - 'file "' . $outputFile . '" for storing decrypted data.', - 0, $outputFile); - } - } - - $handler = new Crypt_GPG_DecryptStatusHandler($this->engine, - $this->decryptKeys); - - $this->engine->reset(); - $this->engine->addStatusHandler(array($handler, 'handle')); - $this->engine->setOperation('--decrypt'); - $this->engine->setInput($input); - $this->engine->setOutput($output); - $this->engine->run(); - - if ($isFile) { - fclose($input); - } - - if ($outputFile !== null) { - fclose($output); - } - - // if there was any problem decrypting the data, the handler will - // deal with it here. - $handler->throwException(); - - if ($outputFile === null) { - return $output; - } - } - - // }}} - // {{{ _sign() - - /** - * Signs data - * - * @param string $data the data to be signed. - * @param boolean $isFile whether or not the data is a filename. - * @param string $outputFile the name of the file in which the signed data - * should be stored. If null, the signed data is - * returned as a string. - * @param boolean $mode the data signing mode to use. Should be one of - * {@link Crypt_GPG::SIGN_MODE_NORMAL}, - * {@link Crypt_GPG::SIGN_MODE_CLEAR} or - * {@link Crypt_GPG::SIGN_MODE_DETACHED}. - * @param boolean $armor if true, ASCII armored data is returned; - * otherwise, binary data is returned. This has - * no effect if the mode - * <kbd>Crypt_GPG::SIGN_MODE_CLEAR</kbd> is - * used. - * @param boolean $textmode if true, line-breaks in signed data be - * normalized. Use this option when signing - * e-mail, or for greater compatibility between - * systems with different line-break formats. - * Defaults to false. This has no effect if the - * mode <kbd>Crypt_GPG::SIGN_MODE_CLEAR</kbd> is - * used as clear-signing always uses textmode. - * - * @return void|string if the <kbd>$outputFile</kbd> parameter is null, a - * string containing the signed data (or the signature - * data if a detached signature is requested) is - * returned. - * - * @throws Crypt_GPG_KeyNotFoundException if no signing key is specified. - * See {@link Crypt_GPG::addSignKey()}. - * - * @throws Crypt_GPG_BadPassphraseException if a specified passphrase is - * incorrect or if a required passphrase is not specified. - * - * @throws Crypt_GPG_FileException if the output file is not writeable or - * if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - private function _sign($data, $isFile, $outputFile, $mode, $armor, - $textmode - ) { - if (count($this->signKeys) === 0) { - throw new Crypt_GPG_KeyNotFoundException( - 'No signing keys specified.'); - } - - if ($isFile) { - $input = @fopen($data, 'rb'); - if ($input === false) { - throw new Crypt_GPG_FileException('Could not open input ' . - 'file "' . $data . '" for signing.', 0, $data); - } - } else { - $input = strval($data); - } - - if ($outputFile === null) { - $output = ''; - } else { - $output = @fopen($outputFile, 'wb'); - if ($output === false) { - if ($isFile) { - fclose($input); - } - throw new Crypt_GPG_FileException('Could not open output ' . - 'file "' . $outputFile . '" for storing signed ' . - 'data.', 0, $outputFile); - } - } - - switch ($mode) { - case Crypt_GPG::SIGN_MODE_DETACHED: - $operation = '--detach-sign'; - break; - case Crypt_GPG::SIGN_MODE_CLEAR: - $operation = '--clearsign'; - break; - case Crypt_GPG::SIGN_MODE_NORMAL: - default: - $operation = '--sign'; - break; - } - - $arguments = array(); - - if ($armor) { - $arguments[] = '--armor'; - } - if ($textmode) { - $arguments[] = '--textmode'; - } - - foreach ($this->signKeys as $key) { - $arguments[] = '--local-user ' . - escapeshellarg($key['fingerprint']); - } - - $this->engine->reset(); - $this->engine->addStatusHandler(array($this, 'handleSignStatus')); - $this->engine->setInput($input); - $this->engine->setOutput($output); - $this->engine->setOperation($operation, $arguments); - $this->engine->run(); - - if ($isFile) { - fclose($input); - } - - if ($outputFile !== null) { - fclose($output); - } - - $code = $this->engine->getErrorCode(); - - switch ($code) { - case Crypt_GPG::ERROR_NONE: - break; - case Crypt_GPG::ERROR_KEY_NOT_FOUND: - throw new Crypt_GPG_KeyNotFoundException( - 'Cannot sign data. Private key not found. Import the '. - 'private key before trying to sign data.', $code, - $this->engine->getErrorKeyId()); - case Crypt_GPG::ERROR_BAD_PASSPHRASE: - throw new Crypt_GPG_BadPassphraseException( - 'Cannot sign data. Incorrect passphrase provided.', $code); - case Crypt_GPG::ERROR_MISSING_PASSPHRASE: - throw new Crypt_GPG_BadPassphraseException( - 'Cannot sign data. No passphrase provided.', $code); - default: - throw new Crypt_GPG_Exception( - 'Unknown error signing data. Please use the \'debug\' option ' . - 'when creating the Crypt_GPG object, and file a bug report ' . - 'at ' . self::BUG_URI, $code); - } - - if ($outputFile === null) { - return $output; - } - } - - // }}} - // {{{ _encryptAndSign() - - /** - * Encrypts and signs data - * - * @param string $data the data to be encrypted and signed. - * @param boolean $isFile whether or not the data is a filename. - * @param string $outputFile the name of the file in which the encrypted, - * signed data should be stored. If null, the - * encrypted, signed data is returned as a - * string. - * @param boolean $armor if true, ASCII armored data is returned; - * otherwise, binary data is returned. - * - * @return void|string if the <kbd>$outputFile</kbd> parameter is null, a - * string containing the encrypted, signed data is - * returned. - * - * @throws Crypt_GPG_KeyNotFoundException if no encryption key is specified - * or if no signing key is specified. See - * {@link Crypt_GPG::addEncryptKey()} and - * {@link Crypt_GPG::addSignKey()}. - * - * @throws Crypt_GPG_BadPassphraseException if a specified passphrase is - * incorrect or if a required passphrase is not specified. - * - * @throws Crypt_GPG_FileException if the output file is not writeable or - * if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - */ - private function _encryptAndSign($data, $isFile, $outputFile, $armor) - { - if (count($this->signKeys) === 0) { - throw new Crypt_GPG_KeyNotFoundException( - 'No signing keys specified.'); - } - - if (count($this->encryptKeys) === 0) { - throw new Crypt_GPG_KeyNotFoundException( - 'No encryption keys specified.'); - } - - - if ($isFile) { - $input = @fopen($data, 'rb'); - if ($input === false) { - throw new Crypt_GPG_FileException('Could not open input ' . - 'file "' . $data . '" for encrypting and signing.', 0, - $data); - } - } else { - $input = strval($data); - } - - if ($outputFile === null) { - $output = ''; - } else { - $output = @fopen($outputFile, 'wb'); - if ($output === false) { - if ($isFile) { - fclose($input); - } - throw new Crypt_GPG_FileException('Could not open output ' . - 'file "' . $outputFile . '" for storing encrypted, ' . - 'signed data.', 0, $outputFile); - } - } - - $arguments = ($armor) ? array('--armor') : array(); - - foreach ($this->signKeys as $key) { - $arguments[] = '--local-user ' . - escapeshellarg($key['fingerprint']); - } - - foreach ($this->encryptKeys as $key) { - $arguments[] = '--recipient ' . escapeshellarg($key['fingerprint']); - } - - $this->engine->reset(); - $this->engine->addStatusHandler(array($this, 'handleSignStatus')); - $this->engine->setInput($input); - $this->engine->setOutput($output); - $this->engine->setOperation('--encrypt --sign', $arguments); - $this->engine->run(); - - if ($isFile) { - fclose($input); - } - - if ($outputFile !== null) { - fclose($output); - } - - $code = $this->engine->getErrorCode(); - - switch ($code) { - case Crypt_GPG::ERROR_NONE: - break; - case Crypt_GPG::ERROR_KEY_NOT_FOUND: - throw new Crypt_GPG_KeyNotFoundException( - 'Cannot sign encrypted data. Private key not found. Import '. - 'the private key before trying to sign the encrypted data.', - $code, $this->engine->getErrorKeyId()); - case Crypt_GPG::ERROR_BAD_PASSPHRASE: - throw new Crypt_GPG_BadPassphraseException( - 'Cannot sign encrypted data. Incorrect passphrase provided.', - $code); - case Crypt_GPG::ERROR_MISSING_PASSPHRASE: - throw new Crypt_GPG_BadPassphraseException( - 'Cannot sign encrypted data. No passphrase provided.', $code); - default: - throw new Crypt_GPG_Exception( - 'Unknown error encrypting and signing data. Please use the ' . - '\'debug\' option when creating the Crypt_GPG object, and ' . - 'file a bug report at ' . self::BUG_URI, $code); - } - - if ($outputFile === null) { - return $output; - } - } - - // }}} - // {{{ _verify() - - /** - * Verifies data - * - * @param string $data the signed data to be verified. - * @param boolean $isFile whether or not the data is a filename. - * @param string $signature if verifying a file signed using a detached - * signature, this must be the detached signature - * data. Otherwise, specify ''. - * - * @return array an array of {@link Crypt_GPG_Signature} objects for the - * signed data. - * - * @throws Crypt_GPG_NoDataException if the provided data is not signed - * data. - * - * @throws Crypt_GPG_FileException if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - * - * @see Crypt_GPG_Signature - */ - private function _verify($data, $isFile, $signature) - { - if ($signature == '') { - $operation = '--verify'; - $arguments = array(); - } else { - // Signed data goes in FD_MESSAGE, detached signature data goes in - // FD_INPUT. - $operation = '--verify - "-&' . Crypt_GPG_Engine::FD_MESSAGE. '"'; - $arguments = array('--enable-special-filenames'); - } - - $handler = new Crypt_GPG_VerifyStatusHandler(); - - if ($isFile) { - $input = @fopen($data, 'rb'); - if ($input === false) { - throw new Crypt_GPG_FileException('Could not open input ' . - 'file "' . $data . '" for verifying.', 0, $data); - } - } else { - $input = strval($data); - if ($input == '') { - throw new Crypt_GPG_NoDataException( - 'No valid signature data found.', Crypt_GPG::ERROR_NO_DATA); - } - } - - $this->engine->reset(); - $this->engine->addStatusHandler(array($handler, 'handle')); - - if ($signature == '') { - // signed or clearsigned data - $this->engine->setInput($input); - } else { - // detached signature - $this->engine->setInput($signature); - $this->engine->setMessage($input); - } - - $this->engine->setOperation($operation, $arguments); - $this->engine->run(); - - if ($isFile) { - fclose($input); - } - - $code = $this->engine->getErrorCode(); - - switch ($code) { - case Crypt_GPG::ERROR_NONE: - case Crypt_GPG::ERROR_BAD_SIGNATURE: - break; - case Crypt_GPG::ERROR_NO_DATA: - throw new Crypt_GPG_NoDataException( - 'No valid signature data found.', $code); - case Crypt_GPG::ERROR_KEY_NOT_FOUND: - throw new Crypt_GPG_KeyNotFoundException( - 'Public key required for data verification not in keyring.', - $code, $this->engine->getErrorKeyId()); - default: - throw new Crypt_GPG_Exception( - 'Unknown error validating signature details. Please use the ' . - '\'debug\' option when creating the Crypt_GPG object, and ' . - 'file a bug report at ' . self::BUG_URI, $code); - } - - return $handler->getSignatures(); - } - - // }}} - // {{{ _decryptAndVerify() - - /** - * Decrypts and verifies encrypted, signed data - * - * @param string $data the encrypted signed data to be decrypted and - * verified. - * @param boolean $isFile whether or not the data is a filename. - * @param string $outputFile the name of the file to which the decrypted - * data should be written. If null, the decrypted - * data is returned in the results array. - * - * @return array two element array. The array has an element 'data' - * containing the decrypted data and an element - * 'signatures' containing an array of - * {@link Crypt_GPG_Signature} objects for the signed data. - * If the decrypted data is written to a file, the 'data' - * element is null. - * - * @throws Crypt_GPG_KeyNotFoundException if the private key needed to - * decrypt the data is not in the user's keyring or it the public - * key needed for verification is not in the user's keyring. - * - * @throws Crypt_GPG_NoDataException if specified data does not contain - * GPG signed, encrypted data. - * - * @throws Crypt_GPG_BadPassphraseException if a required passphrase is - * incorrect or if a required passphrase is not specified. See - * {@link Crypt_GPG::addDecryptKey()}. - * - * @throws Crypt_GPG_FileException if the output file is not writeable or - * if the input file is not readable. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - * - * @see Crypt_GPG_Signature - */ - private function _decryptAndVerify($data, $isFile, $outputFile) - { - if ($isFile) { - $input = @fopen($data, 'rb'); - if ($input === false) { - throw new Crypt_GPG_FileException('Could not open input ' . - 'file "' . $data . '" for decrypting and verifying.', 0, - $data); - } - } else { - $input = strval($data); - if ($input == '') { - throw new Crypt_GPG_NoDataException( - 'No valid encrypted signed data found.', - Crypt_GPG::ERROR_NO_DATA); - } - } - - if ($outputFile === null) { - $output = ''; - } else { - $output = @fopen($outputFile, 'wb'); - if ($output === false) { - if ($isFile) { - fclose($input); - } - throw new Crypt_GPG_FileException('Could not open output ' . - 'file "' . $outputFile . '" for storing decrypted data.', - 0, $outputFile); - } - } - - $verifyHandler = new Crypt_GPG_VerifyStatusHandler(); - - $decryptHandler = new Crypt_GPG_DecryptStatusHandler($this->engine, - $this->decryptKeys); - - $this->engine->reset(); - $this->engine->addStatusHandler(array($verifyHandler, 'handle')); - $this->engine->addStatusHandler(array($decryptHandler, 'handle')); - $this->engine->setInput($input); - $this->engine->setOutput($output); - $this->engine->setOperation('--decrypt'); - $this->engine->run(); - - if ($isFile) { - fclose($input); - } - - if ($outputFile !== null) { - fclose($output); - } - - $return = array( - 'data' => null, - 'signatures' => $verifyHandler->getSignatures() - ); - - // if there was any problem decrypting the data, the handler will - // deal with it here. - try { - $decryptHandler->throwException(); - } catch (Exception $e) { - if ($e instanceof Crypt_GPG_KeyNotFoundException) { - throw new Crypt_GPG_KeyNotFoundException( - 'Public key required for data verification not in ', - 'the keyring. Either no suitable private decryption key ' . - 'is in the keyring or the public key required for data ' . - 'verification is not in the keyring. Import a suitable ' . - 'key before trying to decrypt and verify this data.', - self::ERROR_KEY_NOT_FOUND, $this->engine->getErrorKeyId()); - } - - if ($e instanceof Crypt_GPG_NoDataException) { - throw new Crypt_GPG_NoDataException( - 'Cannot decrypt and verify data. No PGP encrypted data ' . - 'was found in the provided data.', self::ERROR_NO_DATA); - } - - throw $e; - } - - if ($outputFile === null) { - $return['data'] = $output; - } - - return $return; - } - - // }}} -} - -// }}} - -?> diff --git a/plugins/enigma/lib/Crypt/GPG/DecryptStatusHandler.php b/plugins/enigma/lib/Crypt/GPG/DecryptStatusHandler.php deleted file mode 100644 index 40e8d50ed..000000000 --- a/plugins/enigma/lib/Crypt/GPG/DecryptStatusHandler.php +++ /dev/null @@ -1,336 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * Crypt_GPG is a package to use GPG from PHP - * - * This file contains an object that handles GPG's status output for the - * decrypt operation. - * - * PHP version 5 - * - * LICENSE: - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of the - * License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2008-2009 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @version CVS: $Id: DecryptStatusHandler.php 302814 2010-08-26 15:43:07Z gauthierm $ - * @link http://pear.php.net/package/Crypt_GPG - * @link http://www.gnupg.org/ - */ - -/** - * Crypt_GPG base class - */ -require_once 'Crypt/GPG.php'; - -/** - * GPG exception classes - */ -require_once 'Crypt/GPG/Exceptions.php'; - - -/** - * Status line handler for the decrypt operation - * - * This class is used internally by Crypt_GPG and does not need be used - * directly. See the {@link Crypt_GPG} class for end-user API. - * - * This class is responsible for sending the passphrase commands when required - * by the {@link Crypt_GPG::decrypt()} method. See <b>doc/DETAILS</b> in the - * {@link http://www.gnupg.org/download/ GPG distribution} for detailed - * information on GPG's status output for the decrypt operation. - * - * This class is also responsible for parsing error status and throwing a - * meaningful exception in the event that decryption fails. - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2008 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - * @link http://www.gnupg.org/ - */ -class Crypt_GPG_DecryptStatusHandler -{ - // {{{ protected properties - - /** - * Keys used to decrypt - * - * The array is of the form: - * <code> - * array( - * $key_id => array( - * 'fingerprint' => $fingerprint, - * 'passphrase' => $passphrase - * ) - * ); - * </code> - * - * @var array - */ - protected $keys = array(); - - /** - * Engine used to which passphrases are passed - * - * @var Crypt_GPG_Engine - */ - protected $engine = null; - - /** - * The id of the current sub-key used for decryption - * - * @var string - */ - protected $currentSubKey = ''; - - /** - * Whether or not decryption succeeded - * - * If the message is only signed (compressed) and not encrypted, this is - * always true. If the message is encrypted, this flag is set to false - * until we know the decryption succeeded. - * - * @var boolean - */ - protected $decryptionOkay = true; - - /** - * Whether or not there was no data for decryption - * - * @var boolean - */ - protected $noData = false; - - /** - * Keys for which the passhprase is missing - * - * This contains primary user ids indexed by sub-key id and is used to - * create helpful exception messages. - * - * @var array - */ - protected $missingPassphrases = array(); - - /** - * Keys for which the passhprase is incorrect - * - * This contains primary user ids indexed by sub-key id and is used to - * create helpful exception messages. - * - * @var array - */ - protected $badPassphrases = array(); - - /** - * Keys that can be used to decrypt the data but are missing from the - * keychain - * - * This is an array with both the key and value being the sub-key id of - * the missing keys. - * - * @var array - */ - protected $missingKeys = array(); - - // }}} - // {{{ __construct() - - /** - * Creates a new decryption status handler - * - * @param Crypt_GPG_Engine $engine the GPG engine to which passphrases are - * passed. - * @param array $keys the decryption keys to use. - */ - public function __construct(Crypt_GPG_Engine $engine, array $keys) - { - $this->engine = $engine; - $this->keys = $keys; - } - - // }}} - // {{{ handle() - - /** - * Handles a status line - * - * @param string $line the status line to handle. - * - * @return void - */ - public function handle($line) - { - $tokens = explode(' ', $line); - switch ($tokens[0]) { - case 'ENC_TO': - // Now we know the message is encrypted. Set flag to check if - // decryption succeeded. - $this->decryptionOkay = false; - - // this is the new key message - $this->currentSubKeyId = $tokens[1]; - break; - - case 'NEED_PASSPHRASE': - // send passphrase to the GPG engine - $subKeyId = $tokens[1]; - if (array_key_exists($subKeyId, $this->keys)) { - $passphrase = $this->keys[$subKeyId]['passphrase']; - $this->engine->sendCommand($passphrase); - } else { - $this->engine->sendCommand(''); - } - break; - - case 'USERID_HINT': - // remember the user id for pretty exception messages - $this->badPassphrases[$tokens[1]] - = implode(' ', array_splice($tokens, 2)); - - break; - - case 'GOOD_PASSPHRASE': - // if we got a good passphrase, remove the key from the list of - // bad passphrases. - unset($this->badPassphrases[$this->currentSubKeyId]); - break; - - case 'MISSING_PASSPHRASE': - $this->missingPassphrases[$this->currentSubKeyId] - = $this->currentSubKeyId; - - break; - - case 'NO_SECKEY': - // note: this message is also received if there are multiple - // recipients and a previous key had a correct passphrase. - $this->missingKeys[$tokens[1]] = $tokens[1]; - break; - - case 'NODATA': - $this->noData = true; - break; - - case 'DECRYPTION_OKAY': - // If the message is encrypted, this is the all-clear signal. - $this->decryptionOkay = true; - break; - } - } - - // }}} - // {{{ throwException() - - /** - * Takes the final status of the decrypt operation and throws an - * appropriate exception - * - * If decryption was successful, no exception is thrown. - * - * @return void - * - * @throws Crypt_GPG_KeyNotFoundException if the private key needed to - * decrypt the data is not in the user's keyring. - * - * @throws Crypt_GPG_NoDataException if specified data does not contain - * GPG encrypted data. - * - * @throws Crypt_GPG_BadPassphraseException if a required passphrase is - * incorrect or if a required passphrase is not specified. See - * {@link Crypt_GPG::addDecryptKey()}. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <i>debug</i> option and file a bug report if these - * exceptions occur. - */ - public function throwException() - { - $code = Crypt_GPG::ERROR_NONE; - - if (!$this->decryptionOkay) { - if (count($this->badPassphrases) > 0) { - $code = Crypt_GPG::ERROR_BAD_PASSPHRASE; - } elseif (count($this->missingKeys) > 0) { - $code = Crypt_GPG::ERROR_KEY_NOT_FOUND; - } else { - $code = Crypt_GPG::ERROR_UNKNOWN; - } - } elseif ($this->noData) { - $code = Crypt_GPG::ERROR_NO_DATA; - } - - switch ($code) { - case Crypt_GPG::ERROR_NONE: - break; - - case Crypt_GPG::ERROR_KEY_NOT_FOUND: - if (count($this->missingKeys) > 0) { - $keyId = reset($this->missingKeys); - } else { - $keyId = ''; - } - throw new Crypt_GPG_KeyNotFoundException( - 'Cannot decrypt data. No suitable private key is in the ' . - 'keyring. Import a suitable private key before trying to ' . - 'decrypt this data.', $code, $keyId); - - case Crypt_GPG::ERROR_BAD_PASSPHRASE: - $badPassphrases = array_diff_key( - $this->badPassphrases, - $this->missingPassphrases - ); - - $missingPassphrases = array_intersect_key( - $this->badPassphrases, - $this->missingPassphrases - ); - - $message = 'Cannot decrypt data.'; - if (count($badPassphrases) > 0) { - $message = ' Incorrect passphrase provided for keys: "' . - implode('", "', $badPassphrases) . '".'; - } - if (count($missingPassphrases) > 0) { - $message = ' No passphrase provided for keys: "' . - implode('", "', $badPassphrases) . '".'; - } - - throw new Crypt_GPG_BadPassphraseException($message, $code, - $badPassphrases, $missingPassphrases); - - case Crypt_GPG::ERROR_NO_DATA: - throw new Crypt_GPG_NoDataException( - 'Cannot decrypt data. No PGP encrypted data was found in '. - 'the provided data.', $code); - - default: - throw new Crypt_GPG_Exception( - 'Unknown error decrypting data.', $code); - } - } - - // }}} -} - -?> diff --git a/plugins/enigma/lib/Crypt/GPG/Engine.php b/plugins/enigma/lib/Crypt/GPG/Engine.php deleted file mode 100644 index 081be8e21..000000000 --- a/plugins/enigma/lib/Crypt/GPG/Engine.php +++ /dev/null @@ -1,1758 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * Crypt_GPG is a package to use GPG from PHP - * - * This file contains an engine that handles GPG subprocess control and I/O. - * PHP's process manipulation functions are used to handle the GPG subprocess. - * - * PHP version 5 - * - * LICENSE: - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of the - * License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * @category Encryption - * @package Crypt_GPG - * @author Nathan Fredrickson <nathan@silverorange.com> - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2005-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @version CVS: $Id: Engine.php 302822 2010-08-26 17:30:57Z gauthierm $ - * @link http://pear.php.net/package/Crypt_GPG - * @link http://www.gnupg.org/ - */ - -/** - * Crypt_GPG base class. - */ -require_once 'Crypt/GPG.php'; - -/** - * GPG exception classes. - */ -require_once 'Crypt/GPG/Exceptions.php'; - -/** - * Standard PEAR exception is used if GPG binary is not found. - */ -require_once 'PEAR/Exception.php'; - -// {{{ class Crypt_GPG_Engine - -/** - * Native PHP Crypt_GPG I/O engine - * - * This class is used internally by Crypt_GPG and does not need be used - * directly. See the {@link Crypt_GPG} class for end-user API. - * - * This engine uses PHP's native process control functions to directly control - * the GPG process. The GPG executable is required to be on the system. - * - * All data is passed to the GPG subprocess using file descriptors. This is the - * most secure method of passing data to the GPG subprocess. - * - * @category Encryption - * @package Crypt_GPG - * @author Nathan Fredrickson <nathan@silverorange.com> - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2005-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - * @link http://www.gnupg.org/ - */ -class Crypt_GPG_Engine -{ - // {{{ constants - - /** - * Size of data chunks that are sent to and retrieved from the IPC pipes. - * - * PHP reads 8192 bytes. If this is set to less than 8192, PHP reads 8192 - * and buffers the rest so we might as well just read 8192. - * - * Using values other than 8192 also triggers PHP bugs. - * - * @see http://bugs.php.net/bug.php?id=35224 - */ - const CHUNK_SIZE = 8192; - - /** - * Standard input file descriptor. This is used to pass data to the GPG - * process. - */ - const FD_INPUT = 0; - - /** - * Standard output file descriptor. This is used to receive normal output - * from the GPG process. - */ - const FD_OUTPUT = 1; - - /** - * Standard output file descriptor. This is used to receive error output - * from the GPG process. - */ - const FD_ERROR = 2; - - /** - * GPG status output file descriptor. The status file descriptor outputs - * detailed information for many GPG commands. See the second section of - * the file <b>doc/DETAILS</b> in the - * {@link http://www.gnupg.org/download/ GPG package} for a detailed - * description of GPG's status output. - */ - const FD_STATUS = 3; - - /** - * Command input file descriptor. This is used for methods requiring - * passphrases. - */ - const FD_COMMAND = 4; - - /** - * Extra message input file descriptor. This is used for passing signed - * data when verifying a detached signature. - */ - const FD_MESSAGE = 5; - - /** - * Minimum version of GnuPG that is supported. - */ - const MIN_VERSION = '1.0.2'; - - // }}} - // {{{ private class properties - - /** - * Whether or not to use debugging mode - * - * When set to true, every GPG command is echoed before it is run. Sensitive - * data is always handled using pipes and is not specified as part of the - * command. As a result, sensitive data is never displayed when debug is - * enabled. Sensitive data includes private key data and passphrases. - * - * Debugging is off by default. - * - * @var boolean - * @see Crypt_GPG_Engine::__construct() - */ - private $_debug = false; - - /** - * Location of GPG binary - * - * @var string - * @see Crypt_GPG_Engine::__construct() - * @see Crypt_GPG_Engine::_getBinary() - */ - private $_binary = ''; - - /** - * Directory containing the GPG key files - * - * This property only contains the path when the <i>homedir</i> option - * is specified in the constructor. - * - * @var string - * @see Crypt_GPG_Engine::__construct() - */ - private $_homedir = ''; - - /** - * File path of the public keyring - * - * This property only contains the file path when the <i>public_keyring</i> - * option is specified in the constructor. - * - * If the specified file path starts with <kbd>~/</kbd>, the path is - * relative to the <i>homedir</i> if specified, otherwise to - * <kbd>~/.gnupg</kbd>. - * - * @var string - * @see Crypt_GPG_Engine::__construct() - */ - private $_publicKeyring = ''; - - /** - * File path of the private (secret) keyring - * - * This property only contains the file path when the <i>private_keyring</i> - * option is specified in the constructor. - * - * If the specified file path starts with <kbd>~/</kbd>, the path is - * relative to the <i>homedir</i> if specified, otherwise to - * <kbd>~/.gnupg</kbd>. - * - * @var string - * @see Crypt_GPG_Engine::__construct() - */ - private $_privateKeyring = ''; - - /** - * File path of the trust database - * - * This property only contains the file path when the <i>trust_db</i> - * option is specified in the constructor. - * - * If the specified file path starts with <kbd>~/</kbd>, the path is - * relative to the <i>homedir</i> if specified, otherwise to - * <kbd>~/.gnupg</kbd>. - * - * @var string - * @see Crypt_GPG_Engine::__construct() - */ - private $_trustDb = ''; - - /** - * Array of pipes used for communication with the GPG binary - * - * This is an array of file descriptor resources. - * - * @var array - */ - private $_pipes = array(); - - /** - * Array of currently opened pipes - * - * This array is used to keep track of remaining opened pipes so they can - * be closed when the GPG subprocess is finished. This array is a subset of - * the {@link Crypt_GPG_Engine::$_pipes} array and contains opened file - * descriptor resources. - * - * @var array - * @see Crypt_GPG_Engine::_closePipe() - */ - private $_openPipes = array(); - - /** - * A handle for the GPG process - * - * @var resource - */ - private $_process = null; - - /** - * Whether or not the operating system is Darwin (OS X) - * - * @var boolean - */ - private $_isDarwin = false; - - /** - * Commands to be sent to GPG's command input stream - * - * @var string - * @see Crypt_GPG_Engine::sendCommand() - */ - private $_commandBuffer = ''; - - /** - * Array of status line handlers - * - * @var array - * @see Crypt_GPG_Engine::addStatusHandler() - */ - private $_statusHandlers = array(); - - /** - * Array of error line handlers - * - * @var array - * @see Crypt_GPG_Engine::addErrorHandler() - */ - private $_errorHandlers = array(); - - /** - * The error code of the current operation - * - * @var integer - * @see Crypt_GPG_Engine::getErrorCode() - */ - private $_errorCode = Crypt_GPG::ERROR_NONE; - - /** - * File related to the error code of the current operation - * - * @var string - * @see Crypt_GPG_Engine::getErrorFilename() - */ - private $_errorFilename = ''; - - /** - * Key id related to the error code of the current operation - * - * @var string - * @see Crypt_GPG_Engine::getErrorKeyId() - */ - private $_errorkeyId = ''; - - /** - * The number of currently needed passphrases - * - * If this is not zero when the GPG command is completed, the error code is - * set to {@link Crypt_GPG::ERROR_MISSING_PASSPHRASE}. - * - * @var integer - */ - private $_needPassphrase = 0; - - /** - * The input source - * - * This is data to send to GPG. Either a string or a stream resource. - * - * @var string|resource - * @see Crypt_GPG_Engine::setInput() - */ - private $_input = null; - - /** - * The extra message input source - * - * Either a string or a stream resource. - * - * @var string|resource - * @see Crypt_GPG_Engine::setMessage() - */ - private $_message = null; - - /** - * The output location - * - * This is where the output from GPG is sent. Either a string or a stream - * resource. - * - * @var string|resource - * @see Crypt_GPG_Engine::setOutput() - */ - private $_output = ''; - - /** - * The GPG operation to execute - * - * @var string - * @see Crypt_GPG_Engine::setOperation() - */ - private $_operation; - - /** - * Arguments for the current operation - * - * @var array - * @see Crypt_GPG_Engine::setOperation() - */ - private $_arguments = array(); - - /** - * The version number of the GPG binary - * - * @var string - * @see Crypt_GPG_Engine::getVersion() - */ - private $_version = ''; - - /** - * Cached value indicating whether or not mbstring function overloading is - * on for strlen - * - * This is cached for optimal performance inside the I/O loop. - * - * @var boolean - * @see Crypt_GPG_Engine::_byteLength() - * @see Crypt_GPG_Engine::_byteSubstring() - */ - private static $_mbStringOverload = null; - - // }}} - // {{{ __construct() - - /** - * Creates a new GPG engine - * - * Available options are: - * - * - <kbd>string homedir</kbd> - the directory where the GPG - * keyring files are stored. If not - * specified, Crypt_GPG uses the - * default of <kbd>~/.gnupg</kbd>. - * - <kbd>string publicKeyring</kbd> - the file path of the public - * keyring. Use this if the public - * keyring is not in the homedir, or - * if the keyring is in a directory - * not writable by the process - * invoking GPG (like Apache). Then - * you can specify the path to the - * keyring with this option - * (/foo/bar/pubring.gpg), and specify - * a writable directory (like /tmp) - * using the <i>homedir</i> option. - * - <kbd>string privateKeyring</kbd> - the file path of the private - * keyring. Use this if the private - * keyring is not in the homedir, or - * if the keyring is in a directory - * not writable by the process - * invoking GPG (like Apache). Then - * you can specify the path to the - * keyring with this option - * (/foo/bar/secring.gpg), and specify - * a writable directory (like /tmp) - * using the <i>homedir</i> option. - * - <kbd>string trustDb</kbd> - the file path of the web-of-trust - * database. Use this if the trust - * database is not in the homedir, or - * if the database is in a directory - * not writable by the process - * invoking GPG (like Apache). Then - * you can specify the path to the - * trust database with this option - * (/foo/bar/trustdb.gpg), and specify - * a writable directory (like /tmp) - * using the <i>homedir</i> option. - * - <kbd>string binary</kbd> - the location of the GPG binary. If - * not specified, the driver attempts - * to auto-detect the GPG binary - * location using a list of known - * default locations for the current - * operating system. The option - * <kbd>gpgBinary</kbd> is a - * deprecated alias for this option. - * - <kbd>boolean debug</kbd> - whether or not to use debug mode. - * When debug mode is on, all - * communication to and from the GPG - * subprocess is logged. This can be - * useful to diagnose errors when - * using Crypt_GPG. - * - * @param array $options optional. An array of options used to create the - * GPG object. All options are optional and are - * represented as key-value pairs. - * - * @throws Crypt_GPG_FileException if the <kbd>homedir</kbd> does not exist - * and cannot be created. This can happen if <kbd>homedir</kbd> is - * not specified, Crypt_GPG is run as the web user, and the web - * user has no home directory. This exception is also thrown if any - * of the options <kbd>publicKeyring</kbd>, - * <kbd>privateKeyring</kbd> or <kbd>trustDb</kbd> options are - * specified but the files do not exist or are are not readable. - * This can happen if the user running the Crypt_GPG process (for - * example, the Apache user) does not have permission to read the - * files. - * - * @throws PEAR_Exception if the provided <kbd>binary</kbd> is invalid, or - * if no <kbd>binary</kbd> is provided and no suitable binary could - * be found. - */ - public function __construct(array $options = array()) - { - $this->_isDarwin = (strncmp(strtoupper(PHP_OS), 'DARWIN', 6) === 0); - - // populate mbstring overloading cache if not set - if (self::$_mbStringOverload === null) { - self::$_mbStringOverload = (extension_loaded('mbstring') - && (ini_get('mbstring.func_overload') & 0x02) === 0x02); - } - - // get homedir - if (array_key_exists('homedir', $options)) { - $this->_homedir = (string)$options['homedir']; - } else { - // note: this requires the package OS dep exclude 'windows' - $info = posix_getpwuid(posix_getuid()); - $this->_homedir = $info['dir'].'/.gnupg'; - } - - // attempt to create homedir if it does not exist - if (!is_dir($this->_homedir)) { - if (@mkdir($this->_homedir, 0777, true)) { - // Set permissions on homedir. Parent directories are created - // with 0777, homedir is set to 0700. - chmod($this->_homedir, 0700); - } else { - throw new Crypt_GPG_FileException('The \'homedir\' "' . - $this->_homedir . '" is not readable or does not exist '. - 'and cannot be created. This can happen if \'homedir\' '. - 'is not specified in the Crypt_GPG options, Crypt_GPG is '. - 'run as the web user, and the web user has no home '. - 'directory.', - 0, $this->_homedir); - } - } - - // get binary - if (array_key_exists('binary', $options)) { - $this->_binary = (string)$options['binary']; - } elseif (array_key_exists('gpgBinary', $options)) { - // deprecated alias - $this->_binary = (string)$options['gpgBinary']; - } else { - $this->_binary = $this->_getBinary(); - } - - if ($this->_binary == '' || !is_executable($this->_binary)) { - throw new PEAR_Exception('GPG binary not found. If you are sure '. - 'the GPG binary is installed, please specify the location of '. - 'the GPG binary using the \'binary\' driver option.'); - } - - /* - * Note: - * - * Normally, GnuPG expects keyrings to be in the homedir and expects - * to be able to write temporary files in the homedir. Sometimes, - * keyrings are not in the homedir, or location of the keyrings does - * not allow writing temporary files. In this case, the <i>homedir</i> - * option by itself is not enough to specify the keyrings because GnuPG - * can not write required temporary files. Additional options are - * provided so you can specify the location of the keyrings separately - * from the homedir. - */ - - // get public keyring - if (array_key_exists('publicKeyring', $options)) { - $this->_publicKeyring = (string)$options['publicKeyring']; - if (!is_readable($this->_publicKeyring)) { - throw new Crypt_GPG_FileException('The \'publicKeyring\' "' . - $this->_publicKeyring . '" does not exist or is ' . - 'not readable. Check the location and ensure the file ' . - 'permissions are correct.', 0, $this->_publicKeyring); - } - } - - // get private keyring - if (array_key_exists('privateKeyring', $options)) { - $this->_privateKeyring = (string)$options['privateKeyring']; - if (!is_readable($this->_privateKeyring)) { - throw new Crypt_GPG_FileException('The \'privateKeyring\' "' . - $this->_privateKeyring . '" does not exist or is ' . - 'not readable. Check the location and ensure the file ' . - 'permissions are correct.', 0, $this->_privateKeyring); - } - } - - // get trust database - if (array_key_exists('trustDb', $options)) { - $this->_trustDb = (string)$options['trustDb']; - if (!is_readable($this->_trustDb)) { - throw new Crypt_GPG_FileException('The \'trustDb\' "' . - $this->_trustDb . '" does not exist or is not readable. ' . - 'Check the location and ensure the file permissions are ' . - 'correct.', 0, $this->_trustDb); - } - } - - if (array_key_exists('debug', $options)) { - $this->_debug = (boolean)$options['debug']; - } - } - - // }}} - // {{{ __destruct() - - /** - * Closes open GPG subprocesses when this object is destroyed - * - * Subprocesses should never be left open by this class unless there is - * an unknown error and unexpected script termination occurs. - */ - public function __destruct() - { - $this->_closeSubprocess(); - } - - // }}} - // {{{ addErrorHandler() - - /** - * Adds an error handler method - * - * The method is run every time a new error line is received from the GPG - * subprocess. The handler method must accept the error line to be handled - * as its first parameter. - * - * @param callback $callback the callback method to use. - * @param array $args optional. Additional arguments to pass as - * parameters to the callback method. - * - * @return void - */ - public function addErrorHandler($callback, array $args = array()) - { - $this->_errorHandlers[] = array( - 'callback' => $callback, - 'args' => $args - ); - } - - // }}} - // {{{ addStatusHandler() - - /** - * Adds a status handler method - * - * The method is run every time a new status line is received from the - * GPG subprocess. The handler method must accept the status line to be - * handled as its first parameter. - * - * @param callback $callback the callback method to use. - * @param array $args optional. Additional arguments to pass as - * parameters to the callback method. - * - * @return void - */ - public function addStatusHandler($callback, array $args = array()) - { - $this->_statusHandlers[] = array( - 'callback' => $callback, - 'args' => $args - ); - } - - // }}} - // {{{ sendCommand() - - /** - * Sends a command to the GPG subprocess over the command file-descriptor - * pipe - * - * @param string $command the command to send. - * - * @return void - * - * @sensitive $command - */ - public function sendCommand($command) - { - if (array_key_exists(self::FD_COMMAND, $this->_openPipes)) { - $this->_commandBuffer .= $command . PHP_EOL; - } - } - - // }}} - // {{{ reset() - - /** - * Resets the GPG engine, preparing it for a new operation - * - * @return void - * - * @see Crypt_GPG_Engine::run() - * @see Crypt_GPG_Engine::setOperation() - */ - public function reset() - { - $this->_operation = ''; - $this->_arguments = array(); - $this->_input = null; - $this->_message = null; - $this->_output = ''; - $this->_errorCode = Crypt_GPG::ERROR_NONE; - $this->_needPassphrase = 0; - $this->_commandBuffer = ''; - - $this->_statusHandlers = array(); - $this->_errorHandlers = array(); - - $this->addStatusHandler(array($this, '_handleErrorStatus')); - $this->addErrorHandler(array($this, '_handleErrorError')); - - if ($this->_debug) { - $this->addStatusHandler(array($this, '_handleDebugStatus')); - $this->addErrorHandler(array($this, '_handleDebugError')); - } - } - - // }}} - // {{{ run() - - /** - * Runs the current GPG operation - * - * This creates and manages the GPG subprocess. - * - * The operation must be set with {@link Crypt_GPG_Engine::setOperation()} - * before this method is called. - * - * @return void - * - * @throws Crypt_GPG_InvalidOperationException if no operation is specified. - * - * @see Crypt_GPG_Engine::reset() - * @see Crypt_GPG_Engine::setOperation() - */ - public function run() - { - if ($this->_operation === '') { - throw new Crypt_GPG_InvalidOperationException('No GPG operation ' . - 'specified. Use Crypt_GPG_Engine::setOperation() before ' . - 'calling Crypt_GPG_Engine::run().'); - } - - $this->_openSubprocess(); - $this->_process(); - $this->_closeSubprocess(); - } - - // }}} - // {{{ getErrorCode() - - /** - * Gets the error code of the last executed operation - * - * This value is only meaningful after {@link Crypt_GPG_Engine::run()} has - * been executed. - * - * @return integer the error code of the last executed operation. - */ - public function getErrorCode() - { - return $this->_errorCode; - } - - // }}} - // {{{ getErrorFilename() - - /** - * Gets the file related to the error code of the last executed operation - * - * This value is only meaningful after {@link Crypt_GPG_Engine::run()} has - * been executed. If there is no file related to the error, an empty string - * is returned. - * - * @return string the file related to the error code of the last executed - * operation. - */ - public function getErrorFilename() - { - return $this->_errorFilename; - } - - // }}} - // {{{ getErrorKeyId() - - /** - * Gets the key id related to the error code of the last executed operation - * - * This value is only meaningful after {@link Crypt_GPG_Engine::run()} has - * been executed. If there is no key id related to the error, an empty - * string is returned. - * - * @return string the key id related to the error code of the last executed - * operation. - */ - public function getErrorKeyId() - { - return $this->_errorKeyId; - } - - // }}} - // {{{ setInput() - - /** - * Sets the input source for the current GPG operation - * - * @param string|resource &$input either a reference to the string - * containing the input data or an open - * stream resource containing the input - * data. - * - * @return void - */ - public function setInput(&$input) - { - $this->_input =& $input; - } - - // }}} - // {{{ setMessage() - - /** - * Sets the message source for the current GPG operation - * - * Detached signature data should be specified here. - * - * @param string|resource &$message either a reference to the string - * containing the message data or an open - * stream resource containing the message - * data. - * - * @return void - */ - public function setMessage(&$message) - { - $this->_message =& $message; - } - - // }}} - // {{{ setOutput() - - /** - * Sets the output destination for the current GPG operation - * - * @param string|resource &$output either a reference to the string in - * which to store GPG output or an open - * stream resource to which the output data - * should be written. - * - * @return void - */ - public function setOutput(&$output) - { - $this->_output =& $output; - } - - // }}} - // {{{ setOperation() - - /** - * Sets the operation to perform - * - * @param string $operation the operation to perform. This should be one - * of GPG's operations. For example, - * <kbd>--encrypt</kbd>, <kbd>--decrypt</kbd>, - * <kbd>--sign</kbd>, etc. - * @param array $arguments optional. Additional arguments for the GPG - * subprocess. See the GPG manual for specific - * values. - * - * @return void - * - * @see Crypt_GPG_Engine::reset() - * @see Crypt_GPG_Engine::run() - */ - public function setOperation($operation, array $arguments = array()) - { - $this->_operation = $operation; - $this->_arguments = $arguments; - } - - // }}} - // {{{ getVersion() - - /** - * Gets the version of the GnuPG binary - * - * @return string a version number string containing the version of GnuPG - * being used. This value is suitable to use with PHP's - * version_compare() function. - * - * @throws Crypt_GPG_Exception if an unknown or unexpected error occurs. - * Use the <kbd>debug</kbd> option and file a bug report if these - * exceptions occur. - * - * @throws Crypt_GPG_UnsupportedException if the provided binary is not - * GnuPG or if the GnuPG version is less than 1.0.2. - */ - public function getVersion() - { - if ($this->_version == '') { - - $options = array( - 'homedir' => $this->_homedir, - 'binary' => $this->_binary, - 'debug' => $this->_debug - ); - - $engine = new self($options); - $info = ''; - - // Set a garbage version so we do not end up looking up the version - // recursively. - $engine->_version = '1.0.0'; - - $engine->reset(); - $engine->setOutput($info); - $engine->setOperation('--version'); - $engine->run(); - - $code = $this->getErrorCode(); - - if ($code !== Crypt_GPG::ERROR_NONE) { - throw new Crypt_GPG_Exception( - 'Unknown error getting GnuPG version information. Please ' . - 'use the \'debug\' option when creating the Crypt_GPG ' . - 'object, and file a bug report at ' . Crypt_GPG::BUG_URI, - $code); - } - - $matches = array(); - $expression = '/gpg \(GnuPG\) (\S+)/'; - - if (preg_match($expression, $info, $matches) === 1) { - $this->_version = $matches[1]; - } else { - throw new Crypt_GPG_Exception( - 'No GnuPG version information provided by the binary "' . - $this->_binary . '". Are you sure it is GnuPG?'); - } - - if (version_compare($this->_version, self::MIN_VERSION, 'lt')) { - throw new Crypt_GPG_Exception( - 'The version of GnuPG being used (' . $this->_version . - ') is not supported by Crypt_GPG. The minimum version ' . - 'required by Crypt_GPG is ' . self::MIN_VERSION); - } - } - - - return $this->_version; - } - - // }}} - // {{{ _handleErrorStatus() - - /** - * Handles error values in the status output from GPG - * - * This method is responsible for setting the - * {@link Crypt_GPG_Engine::$_errorCode}. See <b>doc/DETAILS</b> in the - * {@link http://www.gnupg.org/download/ GPG distribution} for detailed - * information on GPG's status output. - * - * @param string $line the status line to handle. - * - * @return void - */ - private function _handleErrorStatus($line) - { - $tokens = explode(' ', $line); - switch ($tokens[0]) { - case 'BAD_PASSPHRASE': - $this->_errorCode = Crypt_GPG::ERROR_BAD_PASSPHRASE; - break; - - case 'MISSING_PASSPHRASE': - $this->_errorCode = Crypt_GPG::ERROR_MISSING_PASSPHRASE; - break; - - case 'NODATA': - $this->_errorCode = Crypt_GPG::ERROR_NO_DATA; - break; - - case 'DELETE_PROBLEM': - if ($tokens[1] == '1') { - $this->_errorCode = Crypt_GPG::ERROR_KEY_NOT_FOUND; - break; - } elseif ($tokens[1] == '2') { - $this->_errorCode = Crypt_GPG::ERROR_DELETE_PRIVATE_KEY; - break; - } - break; - - case 'IMPORT_RES': - if ($tokens[12] > 0) { - $this->_errorCode = Crypt_GPG::ERROR_DUPLICATE_KEY; - } - break; - - case 'NO_PUBKEY': - case 'NO_SECKEY': - $this->_errorKeyId = $tokens[1]; - $this->_errorCode = Crypt_GPG::ERROR_KEY_NOT_FOUND; - break; - - case 'NEED_PASSPHRASE': - $this->_needPassphrase++; - break; - - case 'GOOD_PASSPHRASE': - $this->_needPassphrase--; - break; - - case 'EXPSIG': - case 'EXPKEYSIG': - case 'REVKEYSIG': - case 'BADSIG': - $this->_errorCode = Crypt_GPG::ERROR_BAD_SIGNATURE; - break; - - } - } - - // }}} - // {{{ _handleErrorError() - - /** - * Handles error values in the error output from GPG - * - * This method is responsible for setting the - * {@link Crypt_GPG_Engine::$_errorCode}. - * - * @param string $line the error line to handle. - * - * @return void - */ - private function _handleErrorError($line) - { - if ($this->_errorCode === Crypt_GPG::ERROR_NONE) { - $pattern = '/no valid OpenPGP data found/'; - if (preg_match($pattern, $line) === 1) { - $this->_errorCode = Crypt_GPG::ERROR_NO_DATA; - } - } - - if ($this->_errorCode === Crypt_GPG::ERROR_NONE) { - $pattern = '/No secret key|secret key not available/'; - if (preg_match($pattern, $line) === 1) { - $this->_errorCode = Crypt_GPG::ERROR_KEY_NOT_FOUND; - } - } - - if ($this->_errorCode === Crypt_GPG::ERROR_NONE) { - $pattern = '/No public key|public key not found/'; - if (preg_match($pattern, $line) === 1) { - $this->_errorCode = Crypt_GPG::ERROR_KEY_NOT_FOUND; - } - } - - if ($this->_errorCode === Crypt_GPG::ERROR_NONE) { - $matches = array(); - $pattern = '/can\'t (?:access|open) `(.*?)\'/'; - if (preg_match($pattern, $line, $matches) === 1) { - $this->_errorFilename = $matches[1]; - $this->_errorCode = Crypt_GPG::ERROR_FILE_PERMISSIONS; - } - } - } - - // }}} - // {{{ _handleDebugStatus() - - /** - * Displays debug output for status lines - * - * @param string $line the status line to handle. - * - * @return void - */ - private function _handleDebugStatus($line) - { - $this->_debug('STATUS: ' . $line); - } - - // }}} - // {{{ _handleDebugError() - - /** - * Displays debug output for error lines - * - * @param string $line the error line to handle. - * - * @return void - */ - private function _handleDebugError($line) - { - $this->_debug('ERROR: ' . $line); - } - - // }}} - // {{{ _process() - - /** - * Performs internal streaming operations for the subprocess using either - * strings or streams as input / output points - * - * This is the main I/O loop for streaming to and from the GPG subprocess. - * - * The implementation of this method is verbose mainly for performance - * reasons. Adding streams to a lookup array and looping the array inside - * the main I/O loop would be siginficantly slower for large streams. - * - * @return void - * - * @throws Crypt_GPG_Exception if there is an error selecting streams for - * reading or writing. If this occurs, please file a bug report at - * http://pear.php.net/bugs/report.php?package=Crypt_GPG. - */ - private function _process() - { - $this->_debug('BEGIN PROCESSING'); - - $this->_commandBuffer = ''; // buffers input to GPG - $messageBuffer = ''; // buffers input to GPG - $inputBuffer = ''; // buffers input to GPG - $outputBuffer = ''; // buffers output from GPG - $statusBuffer = ''; // buffers output from GPG - $errorBuffer = ''; // buffers output from GPG - $inputComplete = false; // input stream is completely buffered - $messageComplete = false; // message stream is completely buffered - - if (is_string($this->_input)) { - $inputBuffer = $this->_input; - $inputComplete = true; - } - - if (is_string($this->_message)) { - $messageBuffer = $this->_message; - $messageComplete = true; - } - - if (is_string($this->_output)) { - $outputBuffer =& $this->_output; - } - - // convenience variables - $fdInput = $this->_pipes[self::FD_INPUT]; - $fdOutput = $this->_pipes[self::FD_OUTPUT]; - $fdError = $this->_pipes[self::FD_ERROR]; - $fdStatus = $this->_pipes[self::FD_STATUS]; - $fdCommand = $this->_pipes[self::FD_COMMAND]; - $fdMessage = $this->_pipes[self::FD_MESSAGE]; - - while (true) { - - $inputStreams = array(); - $outputStreams = array(); - $exceptionStreams = array(); - - // set up input streams - if (is_resource($this->_input) && !$inputComplete) { - if (feof($this->_input)) { - $inputComplete = true; - } else { - $inputStreams[] = $this->_input; - } - } - - // close GPG input pipe if there is no more data - if ($inputBuffer == '' && $inputComplete) { - $this->_debug('=> closing GPG input pipe'); - $this->_closePipe(self::FD_INPUT); - } - - if (is_resource($this->_message) && !$messageComplete) { - if (feof($this->_message)) { - $messageComplete = true; - } else { - $inputStreams[] = $this->_message; - } - } - - // close GPG message pipe if there is no more data - if ($messageBuffer == '' && $messageComplete) { - $this->_debug('=> closing GPG message pipe'); - $this->_closePipe(self::FD_MESSAGE); - } - - if (!feof($fdOutput)) { - $inputStreams[] = $fdOutput; - } - - if (!feof($fdStatus)) { - $inputStreams[] = $fdStatus; - } - - if (!feof($fdError)) { - $inputStreams[] = $fdError; - } - - // set up output streams - if ($outputBuffer != '' && is_resource($this->_output)) { - $outputStreams[] = $this->_output; - } - - if ($this->_commandBuffer != '') { - $outputStreams[] = $fdCommand; - } - - if ($messageBuffer != '') { - $outputStreams[] = $fdMessage; - } - - if ($inputBuffer != '') { - $outputStreams[] = $fdInput; - } - - // no streams left to read or write, we're all done - if (count($inputStreams) === 0 && count($outputStreams) === 0) { - break; - } - - $this->_debug('selecting streams'); - - $ready = stream_select( - $inputStreams, - $outputStreams, - $exceptionStreams, - null - ); - - $this->_debug('=> got ' . $ready); - - if ($ready === false) { - throw new Crypt_GPG_Exception( - 'Error selecting stream for communication with GPG ' . - 'subprocess. Please file a bug report at: ' . - 'http://pear.php.net/bugs/report.php?package=Crypt_GPG'); - } - - if ($ready === 0) { - throw new Crypt_GPG_Exception( - 'stream_select() returned 0. This can not happen! Please ' . - 'file a bug report at: ' . - 'http://pear.php.net/bugs/report.php?package=Crypt_GPG'); - } - - // write input (to GPG) - if (in_array($fdInput, $outputStreams)) { - $this->_debug('GPG is ready for input'); - - $chunk = self::_byteSubstring( - $inputBuffer, - 0, - self::CHUNK_SIZE - ); - - $length = self::_byteLength($chunk); - - $this->_debug( - '=> about to write ' . $length . ' bytes to GPG input' - ); - - $length = fwrite($fdInput, $chunk, $length); - - $this->_debug('=> wrote ' . $length . ' bytes'); - - $inputBuffer = self::_byteSubstring( - $inputBuffer, - $length - ); - } - - // read input (from PHP stream) - if (in_array($this->_input, $inputStreams)) { - $this->_debug('input stream is ready for reading'); - $this->_debug( - '=> about to read ' . self::CHUNK_SIZE . - ' bytes from input stream' - ); - - $chunk = fread($this->_input, self::CHUNK_SIZE); - $length = self::_byteLength($chunk); - $inputBuffer .= $chunk; - - $this->_debug('=> read ' . $length . ' bytes'); - } - - // write message (to GPG) - if (in_array($fdMessage, $outputStreams)) { - $this->_debug('GPG is ready for message data'); - - $chunk = self::_byteSubstring( - $messageBuffer, - 0, - self::CHUNK_SIZE - ); - - $length = self::_byteLength($chunk); - - $this->_debug( - '=> about to write ' . $length . ' bytes to GPG message' - ); - - $length = fwrite($fdMessage, $chunk, $length); - $this->_debug('=> wrote ' . $length . ' bytes'); - - $messageBuffer = self::_byteSubstring($messageBuffer, $length); - } - - // read message (from PHP stream) - if (in_array($this->_message, $inputStreams)) { - $this->_debug('message stream is ready for reading'); - $this->_debug( - '=> about to read ' . self::CHUNK_SIZE . - ' bytes from message stream' - ); - - $chunk = fread($this->_message, self::CHUNK_SIZE); - $length = self::_byteLength($chunk); - $messageBuffer .= $chunk; - - $this->_debug('=> read ' . $length . ' bytes'); - } - - // read output (from GPG) - if (in_array($fdOutput, $inputStreams)) { - $this->_debug('GPG output stream ready for reading'); - $this->_debug( - '=> about to read ' . self::CHUNK_SIZE . - ' bytes from GPG output' - ); - - $chunk = fread($fdOutput, self::CHUNK_SIZE); - $length = self::_byteLength($chunk); - $outputBuffer .= $chunk; - - $this->_debug('=> read ' . $length . ' bytes'); - } - - // write output (to PHP stream) - if (in_array($this->_output, $outputStreams)) { - $this->_debug('output stream is ready for data'); - - $chunk = self::_byteSubstring( - $outputBuffer, - 0, - self::CHUNK_SIZE - ); - - $length = self::_byteLength($chunk); - - $this->_debug( - '=> about to write ' . $length . ' bytes to output stream' - ); - - $length = fwrite($this->_output, $chunk, $length); - - $this->_debug('=> wrote ' . $length . ' bytes'); - - $outputBuffer = self::_byteSubstring($outputBuffer, $length); - } - - // read error (from GPG) - if (in_array($fdError, $inputStreams)) { - $this->_debug('GPG error stream ready for reading'); - $this->_debug( - '=> about to read ' . self::CHUNK_SIZE . - ' bytes from GPG error' - ); - - $chunk = fread($fdError, self::CHUNK_SIZE); - $length = self::_byteLength($chunk); - $errorBuffer .= $chunk; - - $this->_debug('=> read ' . $length . ' bytes'); - - // pass lines to error handlers - while (($pos = strpos($errorBuffer, PHP_EOL)) !== false) { - $line = self::_byteSubstring($errorBuffer, 0, $pos); - foreach ($this->_errorHandlers as $handler) { - array_unshift($handler['args'], $line); - call_user_func_array( - $handler['callback'], - $handler['args'] - ); - - array_shift($handler['args']); - } - $errorBuffer = self::_byteSubString( - $errorBuffer, - $pos + self::_byteLength(PHP_EOL) - ); - } - } - - // read status (from GPG) - if (in_array($fdStatus, $inputStreams)) { - $this->_debug('GPG status stream ready for reading'); - $this->_debug( - '=> about to read ' . self::CHUNK_SIZE . - ' bytes from GPG status' - ); - - $chunk = fread($fdStatus, self::CHUNK_SIZE); - $length = self::_byteLength($chunk); - $statusBuffer .= $chunk; - - $this->_debug('=> read ' . $length . ' bytes'); - - // pass lines to status handlers - while (($pos = strpos($statusBuffer, PHP_EOL)) !== false) { - $line = self::_byteSubstring($statusBuffer, 0, $pos); - // only pass lines beginning with magic prefix - if (self::_byteSubstring($line, 0, 9) == '[GNUPG:] ') { - $line = self::_byteSubstring($line, 9); - foreach ($this->_statusHandlers as $handler) { - array_unshift($handler['args'], $line); - call_user_func_array( - $handler['callback'], - $handler['args'] - ); - - array_shift($handler['args']); - } - } - $statusBuffer = self::_byteSubString( - $statusBuffer, - $pos + self::_byteLength(PHP_EOL) - ); - } - } - - // write command (to GPG) - if (in_array($fdCommand, $outputStreams)) { - $this->_debug('GPG is ready for command data'); - - // send commands - $chunk = self::_byteSubstring( - $this->_commandBuffer, - 0, - self::CHUNK_SIZE - ); - - $length = self::_byteLength($chunk); - - $this->_debug( - '=> about to write ' . $length . ' bytes to GPG command' - ); - - $length = fwrite($fdCommand, $chunk, $length); - - $this->_debug('=> wrote ' . $length); - - $this->_commandBuffer = self::_byteSubstring( - $this->_commandBuffer, - $length - ); - } - - } // end loop while streams are open - - $this->_debug('END PROCESSING'); - } - - // }}} - // {{{ _openSubprocess() - - /** - * Opens an internal GPG subprocess for the current operation - * - * Opens a GPG subprocess, then connects the subprocess to some pipes. Sets - * the private class property {@link Crypt_GPG_Engine::$_process} to - * the new subprocess. - * - * @return void - * - * @throws Crypt_GPG_OpenSubprocessException if the subprocess could not be - * opened. - * - * @see Crypt_GPG_Engine::setOperation() - * @see Crypt_GPG_Engine::_closeSubprocess() - * @see Crypt_GPG_Engine::$_process - */ - private function _openSubprocess() - { - $version = $this->getVersion(); - - $env = $_ENV; - - // Newer versions of GnuPG return localized results. Crypt_GPG only - // works with English, so set the locale to 'C' for the subprocess. - $env['LC_ALL'] = 'C'; - - $commandLine = $this->_binary; - - $defaultArguments = array( - '--status-fd ' . escapeshellarg(self::FD_STATUS), - '--command-fd ' . escapeshellarg(self::FD_COMMAND), - '--no-secmem-warning', - '--no-tty', - '--no-default-keyring', // ignored if keying files are not specified - '--no-options' // prevent creation of ~/.gnupg directory - ); - - if (version_compare($version, '1.0.7', 'ge')) { - if (version_compare($version, '2.0.0', 'lt')) { - $defaultArguments[] = '--no-use-agent'; - } - $defaultArguments[] = '--no-permission-warning'; - } - - if (version_compare($version, '1.4.2', 'ge')) { - $defaultArguments[] = '--exit-on-status-write-error'; - } - - if (version_compare($version, '1.3.2', 'ge')) { - $defaultArguments[] = '--trust-model always'; - } else { - $defaultArguments[] = '--always-trust'; - } - - $arguments = array_merge($defaultArguments, $this->_arguments); - - if ($this->_homedir) { - $arguments[] = '--homedir ' . escapeshellarg($this->_homedir); - - // the random seed file makes subsequent actions faster so only - // disable it if we have to. - if (!is_writeable($this->_homedir)) { - $arguments[] = '--no-random-seed-file'; - } - } - - if ($this->_publicKeyring) { - $arguments[] = '--keyring ' . escapeshellarg($this->_publicKeyring); - } - - if ($this->_privateKeyring) { - $arguments[] = '--secret-keyring ' . - escapeshellarg($this->_privateKeyring); - } - - if ($this->_trustDb) { - $arguments[] = '--trustdb-name ' . escapeshellarg($this->_trustDb); - } - - $commandLine .= ' ' . implode(' ', $arguments) . ' ' . - $this->_operation; - - // Binary operations will not work on Windows with PHP < 5.2.6. This is - // in case stream_select() ever works on Windows. - $rb = (version_compare(PHP_VERSION, '5.2.6') < 0) ? 'r' : 'rb'; - $wb = (version_compare(PHP_VERSION, '5.2.6') < 0) ? 'w' : 'wb'; - - $descriptorSpec = array( - self::FD_INPUT => array('pipe', $rb), // stdin - self::FD_OUTPUT => array('pipe', $wb), // stdout - self::FD_ERROR => array('pipe', $wb), // stderr - self::FD_STATUS => array('pipe', $wb), // status - self::FD_COMMAND => array('pipe', $rb), // command - self::FD_MESSAGE => array('pipe', $rb) // message - ); - - $this->_debug('OPENING SUBPROCESS WITH THE FOLLOWING COMMAND:'); - $this->_debug($commandLine); - - $this->_process = proc_open( - $commandLine, - $descriptorSpec, - $this->_pipes, - null, - $env, - array('binary_pipes' => true) - ); - - if (!is_resource($this->_process)) { - throw new Crypt_GPG_OpenSubprocessException( - 'Unable to open GPG subprocess.', 0, $commandLine); - } - - $this->_openPipes = $this->_pipes; - $this->_errorCode = Crypt_GPG::ERROR_NONE; - } - - // }}} - // {{{ _closeSubprocess() - - /** - * Closes a the internal GPG subprocess - * - * Closes the internal GPG subprocess. Sets the private class property - * {@link Crypt_GPG_Engine::$_process} to null. - * - * @return void - * - * @see Crypt_GPG_Engine::_openSubprocess() - * @see Crypt_GPG_Engine::$_process - */ - private function _closeSubprocess() - { - if (is_resource($this->_process)) { - $this->_debug('CLOSING SUBPROCESS'); - - // close remaining open pipes - foreach (array_keys($this->_openPipes) as $pipeNumber) { - $this->_closePipe($pipeNumber); - } - - $exitCode = proc_close($this->_process); - - if ($exitCode != 0) { - $this->_debug( - '=> subprocess returned an unexpected exit code: ' . - $exitCode - ); - - if ($this->_errorCode === Crypt_GPG::ERROR_NONE) { - if ($this->_needPassphrase > 0) { - $this->_errorCode = Crypt_GPG::ERROR_MISSING_PASSPHRASE; - } else { - $this->_errorCode = Crypt_GPG::ERROR_UNKNOWN; - } - } - } - - $this->_process = null; - $this->_pipes = array(); - } - } - - // }}} - // {{{ _closePipe() - - /** - * Closes an opened pipe used to communicate with the GPG subprocess - * - * If the pipe is already closed, it is ignored. If the pipe is open, it - * is flushed and then closed. - * - * @param integer $pipeNumber the file descriptor number of the pipe to - * close. - * - * @return void - */ - private function _closePipe($pipeNumber) - { - $pipeNumber = intval($pipeNumber); - if (array_key_exists($pipeNumber, $this->_openPipes)) { - fflush($this->_openPipes[$pipeNumber]); - fclose($this->_openPipes[$pipeNumber]); - unset($this->_openPipes[$pipeNumber]); - } - } - - // }}} - // {{{ _getBinary() - - /** - * Gets the name of the GPG binary for the current operating system - * - * This method is called if the '<kbd>binary</kbd>' option is <i>not</i> - * specified when creating this driver. - * - * @return string the name of the GPG binary for the current operating - * system. If no suitable binary could be found, an empty - * string is returned. - */ - private function _getBinary() - { - $binary = ''; - - if ($this->_isDarwin) { - $binaryFiles = array( - '/opt/local/bin/gpg', // MacPorts - '/usr/local/bin/gpg', // Mac GPG - '/sw/bin/gpg', // Fink - '/usr/bin/gpg' - ); - } else { - $binaryFiles = array( - '/usr/bin/gpg', - '/usr/local/bin/gpg' - ); - } - - foreach ($binaryFiles as $binaryFile) { - if (is_executable($binaryFile)) { - $binary = $binaryFile; - break; - } - } - - return $binary; - } - - // }}} - // {{{ _debug() - - /** - * Displays debug text if debugging is turned on - * - * Debugging text is prepended with a debug identifier and echoed to stdout. - * - * @param string $text the debugging text to display. - * - * @return void - */ - private function _debug($text) - { - if ($this->_debug) { - if (array_key_exists('SHELL', $_ENV)) { - foreach (explode(PHP_EOL, $text) as $line) { - echo "Crypt_GPG DEBUG: ", $line, PHP_EOL; - } - } else { - // running on a web server, format debug output nicely - foreach (explode(PHP_EOL, $text) as $line) { - echo "Crypt_GPG DEBUG: <strong>", $line, - '</strong><br />', PHP_EOL; - } - } - } - } - - // }}} - // {{{ _byteLength() - - /** - * Gets the length of a string in bytes even if mbstring function - * overloading is turned on - * - * This is used for stream-based communication with the GPG subprocess. - * - * @param string $string the string for which to get the length. - * - * @return integer the length of the string in bytes. - * - * @see Crypt_GPG_Engine::$_mbStringOverload - */ - private static function _byteLength($string) - { - if (self::$_mbStringOverload) { - return mb_strlen($string, '8bit'); - } - - return strlen((binary)$string); - } - - // }}} - // {{{ _byteSubstring() - - /** - * Gets the substring of a string in bytes even if mbstring function - * overloading is turned on - * - * This is used for stream-based communication with the GPG subprocess. - * - * @param string $string the input string. - * @param integer $start the starting point at which to get the substring. - * @param integer $length optional. The length of the substring. - * - * @return string the extracted part of the string. Unlike the default PHP - * <kbd>substr()</kbd> function, the returned value is - * always a string and never false. - * - * @see Crypt_GPG_Engine::$_mbStringOverload - */ - private static function _byteSubstring($string, $start, $length = null) - { - if (self::$_mbStringOverload) { - if ($length === null) { - return mb_substr( - $string, - $start, - self::_byteLength($string) - $start, '8bit' - ); - } - - return mb_substr($string, $start, $length, '8bit'); - } - - if ($length === null) { - return (string)substr((binary)$string, $start); - } - - return (string)substr((binary)$string, $start, $length); - } - - // }}} -} - -// }}} - -?> diff --git a/plugins/enigma/lib/Crypt/GPG/Exceptions.php b/plugins/enigma/lib/Crypt/GPG/Exceptions.php deleted file mode 100644 index 744acf5d4..000000000 --- a/plugins/enigma/lib/Crypt/GPG/Exceptions.php +++ /dev/null @@ -1,473 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * Various exception handling classes for Crypt_GPG - * - * Crypt_GPG provides an object oriented interface to GNU Privacy - * Guard (GPG). It requires the GPG executable to be on the system. - * - * This file contains various exception classes used by the Crypt_GPG package. - * - * PHP version 5 - * - * LICENSE: - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of the - * License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * @category Encryption - * @package Crypt_GPG - * @author Nathan Fredrickson <nathan@silverorange.com> - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2005 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @version CVS: $Id: Exceptions.php 273745 2009-01-18 05:24:25Z gauthierm $ - * @link http://pear.php.net/package/Crypt_GPG - */ - -/** - * PEAR Exception handler and base class - */ -require_once 'PEAR/Exception.php'; - -// {{{ class Crypt_GPG_Exception - -/** - * An exception thrown by the Crypt_GPG package - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2005 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - */ -class Crypt_GPG_Exception extends PEAR_Exception -{ -} - -// }}} -// {{{ class Crypt_GPG_FileException - -/** - * An exception thrown when a file is used in ways it cannot be used - * - * For example, if an output file is specified and the file is not writeable, or - * if an input file is specified and the file is not readable, this exception - * is thrown. - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2007-2008 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - */ -class Crypt_GPG_FileException extends Crypt_GPG_Exception -{ - // {{{ private class properties - - /** - * The name of the file that caused this exception - * - * @var string - */ - private $_filename = ''; - - // }}} - // {{{ __construct() - - /** - * Creates a new Crypt_GPG_FileException - * - * @param string $message an error message. - * @param integer $code a user defined error code. - * @param string $filename the name of the file that caused this exception. - */ - public function __construct($message, $code = 0, $filename = '') - { - $this->_filename = $filename; - parent::__construct($message, $code); - } - - // }}} - // {{{ getFilename() - - /** - * Returns the filename of the file that caused this exception - * - * @return string the filename of the file that caused this exception. - * - * @see Crypt_GPG_FileException::$_filename - */ - public function getFilename() - { - return $this->_filename; - } - - // }}} -} - -// }}} -// {{{ class Crypt_GPG_OpenSubprocessException - -/** - * An exception thrown when the GPG subprocess cannot be opened - * - * This exception is thrown when the {@link Crypt_GPG_Engine} tries to open a - * new subprocess and fails. - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2005 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - */ -class Crypt_GPG_OpenSubprocessException extends Crypt_GPG_Exception -{ - // {{{ private class properties - - /** - * The command used to try to open the subprocess - * - * @var string - */ - private $_command = ''; - - // }}} - // {{{ __construct() - - /** - * Creates a new Crypt_GPG_OpenSubprocessException - * - * @param string $message an error message. - * @param integer $code a user defined error code. - * @param string $command the command that was called to open the - * new subprocess. - * - * @see Crypt_GPG::_openSubprocess() - */ - public function __construct($message, $code = 0, $command = '') - { - $this->_command = $command; - parent::__construct($message, $code); - } - - // }}} - // {{{ getCommand() - - /** - * Returns the contents of the internal _command property - * - * @return string the command used to open the subprocess. - * - * @see Crypt_GPG_OpenSubprocessException::$_command - */ - public function getCommand() - { - return $this->_command; - } - - // }}} -} - -// }}} -// {{{ class Crypt_GPG_InvalidOperationException - -/** - * An exception thrown when an invalid GPG operation is attempted - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2008 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - */ -class Crypt_GPG_InvalidOperationException extends Crypt_GPG_Exception -{ - // {{{ private class properties - - /** - * The attempted operation - * - * @var string - */ - private $_operation = ''; - - // }}} - // {{{ __construct() - - /** - * Creates a new Crypt_GPG_OpenSubprocessException - * - * @param string $message an error message. - * @param integer $code a user defined error code. - * @param string $operation the operation. - */ - public function __construct($message, $code = 0, $operation = '') - { - $this->_operation = $operation; - parent::__construct($message, $code); - } - - // }}} - // {{{ getOperation() - - /** - * Returns the contents of the internal _operation property - * - * @return string the attempted operation. - * - * @see Crypt_GPG_InvalidOperationException::$_operation - */ - public function getOperation() - { - return $this->_operation; - } - - // }}} -} - -// }}} -// {{{ class Crypt_GPG_KeyNotFoundException - -/** - * An exception thrown when Crypt_GPG fails to find the key for various - * operations - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2005 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - */ -class Crypt_GPG_KeyNotFoundException extends Crypt_GPG_Exception -{ - // {{{ private class properties - - /** - * The key identifier that was searched for - * - * @var string - */ - private $_keyId = ''; - - // }}} - // {{{ __construct() - - /** - * Creates a new Crypt_GPG_KeyNotFoundException - * - * @param string $message an error message. - * @param integer $code a user defined error code. - * @param string $keyId the key identifier of the key. - */ - public function __construct($message, $code = 0, $keyId= '') - { - $this->_keyId = $keyId; - parent::__construct($message, $code); - } - - // }}} - // {{{ getKeyId() - - /** - * Gets the key identifier of the key that was not found - * - * @return string the key identifier of the key that was not found. - */ - public function getKeyId() - { - return $this->_keyId; - } - - // }}} -} - -// }}} -// {{{ class Crypt_GPG_NoDataException - -/** - * An exception thrown when Crypt_GPG cannot find valid data for various - * operations - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2006 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - */ -class Crypt_GPG_NoDataException extends Crypt_GPG_Exception -{ -} - -// }}} -// {{{ class Crypt_GPG_BadPassphraseException - -/** - * An exception thrown when a required passphrase is incorrect or missing - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2006-2008 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - */ -class Crypt_GPG_BadPassphraseException extends Crypt_GPG_Exception -{ - // {{{ private class properties - - /** - * Keys for which the passhprase is missing - * - * This contains primary user ids indexed by sub-key id. - * - * @var array - */ - private $_missingPassphrases = array(); - - /** - * Keys for which the passhprase is incorrect - * - * This contains primary user ids indexed by sub-key id. - * - * @var array - */ - private $_badPassphrases = array(); - - // }}} - // {{{ __construct() - - /** - * Creates a new Crypt_GPG_BadPassphraseException - * - * @param string $message an error message. - * @param integer $code a user defined error code. - * @param string $badPassphrases an array containing user ids of keys - * for which the passphrase is incorrect. - * @param string $missingPassphrases an array containing user ids of keys - * for which the passphrase is missing. - */ - public function __construct($message, $code = 0, - array $badPassphrases = array(), array $missingPassphrases = array() - ) { - $this->_badPassphrases = $badPassphrases; - $this->_missingPassphrases = $missingPassphrases; - - parent::__construct($message, $code); - } - - // }}} - // {{{ getBadPassphrases() - - /** - * Gets keys for which the passhprase is incorrect - * - * @return array an array of keys for which the passphrase is incorrect. - * The array contains primary user ids indexed by the sub-key - * id. - */ - public function getBadPassphrases() - { - return $this->_badPassphrases; - } - - // }}} - // {{{ getMissingPassphrases() - - /** - * Gets keys for which the passhprase is missing - * - * @return array an array of keys for which the passphrase is missing. - * The array contains primary user ids indexed by the sub-key - * id. - */ - public function getMissingPassphrases() - { - return $this->_missingPassphrases; - } - - // }}} -} - -// }}} -// {{{ class Crypt_GPG_DeletePrivateKeyException - -/** - * An exception thrown when an attempt is made to delete public key that has an - * associated private key on the keyring - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2008 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - */ -class Crypt_GPG_DeletePrivateKeyException extends Crypt_GPG_Exception -{ - // {{{ private class properties - - /** - * The key identifier the deletion attempt was made upon - * - * @var string - */ - private $_keyId = ''; - - // }}} - // {{{ __construct() - - /** - * Creates a new Crypt_GPG_DeletePrivateKeyException - * - * @param string $message an error message. - * @param integer $code a user defined error code. - * @param string $keyId the key identifier of the public key that was - * attempted to delete. - * - * @see Crypt_GPG::deletePublicKey() - */ - public function __construct($message, $code = 0, $keyId = '') - { - $this->_keyId = $keyId; - parent::__construct($message, $code); - } - - // }}} - // {{{ getKeyId() - - /** - * Gets the key identifier of the key that was not found - * - * @return string the key identifier of the key that was not found. - */ - public function getKeyId() - { - return $this->_keyId; - } - - // }}} -} - -// }}} - -?> diff --git a/plugins/enigma/lib/Crypt/GPG/Key.php b/plugins/enigma/lib/Crypt/GPG/Key.php deleted file mode 100644 index 67a4b9c7d..000000000 --- a/plugins/enigma/lib/Crypt/GPG/Key.php +++ /dev/null @@ -1,223 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * Contains a class representing GPG keys - * - * PHP version 5 - * - * LICENSE: - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of the - * License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2008-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @version CVS: $Id: Key.php 295621 2010-03-01 04:18:54Z gauthierm $ - * @link http://pear.php.net/package/Crypt_GPG - */ - -/** - * Sub-key class definition - */ -require_once 'Crypt/GPG/SubKey.php'; - -/** - * User id class definition - */ -require_once 'Crypt/GPG/UserId.php'; - -// {{{ class Crypt_GPG_Key - -/** - * A data class for GPG key information - * - * This class is used to store the results of the {@link Crypt_GPG::getKeys()} - * method. - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2008-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - * @see Crypt_GPG::getKeys() - */ -class Crypt_GPG_Key -{ - // {{{ class properties - - /** - * The user ids associated with this key - * - * This is an array of {@link Crypt_GPG_UserId} objects. - * - * @var array - * - * @see Crypt_GPG_Key::addUserId() - * @see Crypt_GPG_Key::getUserIds() - */ - private $_userIds = array(); - - /** - * The subkeys of this key - * - * This is an array of {@link Crypt_GPG_SubKey} objects. - * - * @var array - * - * @see Crypt_GPG_Key::addSubKey() - * @see Crypt_GPG_Key::getSubKeys() - */ - private $_subKeys = array(); - - // }}} - // {{{ getSubKeys() - - /** - * Gets the sub-keys of this key - * - * @return array the sub-keys of this key. - * - * @see Crypt_GPG_Key::addSubKey() - */ - public function getSubKeys() - { - return $this->_subKeys; - } - - // }}} - // {{{ getUserIds() - - /** - * Gets the user ids of this key - * - * @return array the user ids of this key. - * - * @see Crypt_GPG_Key::addUserId() - */ - public function getUserIds() - { - return $this->_userIds; - } - - // }}} - // {{{ getPrimaryKey() - - /** - * Gets the primary sub-key of this key - * - * The primary key is the first added sub-key. - * - * @return Crypt_GPG_SubKey the primary sub-key of this key. - */ - public function getPrimaryKey() - { - $primary_key = null; - if (count($this->_subKeys) > 0) { - $primary_key = $this->_subKeys[0]; - } - return $primary_key; - } - - // }}} - // {{{ canSign() - - /** - * Gets whether or not this key can sign data - * - * This key can sign data if any sub-key of this key can sign data. - * - * @return boolean true if this key can sign data and false if this key - * cannot sign data. - */ - public function canSign() - { - $canSign = false; - foreach ($this->_subKeys as $subKey) { - if ($subKey->canSign()) { - $canSign = true; - break; - } - } - return $canSign; - } - - // }}} - // {{{ canEncrypt() - - /** - * Gets whether or not this key can encrypt data - * - * This key can encrypt data if any sub-key of this key can encrypt data. - * - * @return boolean true if this key can encrypt data and false if this - * key cannot encrypt data. - */ - public function canEncrypt() - { - $canEncrypt = false; - foreach ($this->_subKeys as $subKey) { - if ($subKey->canEncrypt()) { - $canEncrypt = true; - break; - } - } - return $canEncrypt; - } - - // }}} - // {{{ addSubKey() - - /** - * Adds a sub-key to this key - * - * The first added sub-key will be the primary key of this key. - * - * @param Crypt_GPG_SubKey $subKey the sub-key to add. - * - * @return Crypt_GPG_Key the current object, for fluent interface. - */ - public function addSubKey(Crypt_GPG_SubKey $subKey) - { - $this->_subKeys[] = $subKey; - return $this; - } - - // }}} - // {{{ addUserId() - - /** - * Adds a user id to this key - * - * @param Crypt_GPG_UserId $userId the user id to add. - * - * @return Crypt_GPG_Key the current object, for fluent interface. - */ - public function addUserId(Crypt_GPG_UserId $userId) - { - $this->_userIds[] = $userId; - return $this; - } - - // }}} -} - -// }}} - -?> diff --git a/plugins/enigma/lib/Crypt/GPG/Signature.php b/plugins/enigma/lib/Crypt/GPG/Signature.php deleted file mode 100644 index 03ab44c53..000000000 --- a/plugins/enigma/lib/Crypt/GPG/Signature.php +++ /dev/null @@ -1,428 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * A class representing GPG signatures - * - * This file contains a data class representing a GPG signature. - * - * PHP version 5 - * - * LICENSE: - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of the - * License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * @category Encryption - * @package Crypt_GPG - * @author Nathan Fredrickson <nathan@silverorange.com> - * @copyright 2005-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @version CVS: $Id: Signature.php 302773 2010-08-25 14:16:28Z gauthierm $ - * @link http://pear.php.net/package/Crypt_GPG - */ - -/** - * User id class definition - */ -require_once 'Crypt/GPG/UserId.php'; - -// {{{ class Crypt_GPG_Signature - -/** - * A class for GPG signature information - * - * This class is used to store the results of the Crypt_GPG::verify() method. - * - * @category Encryption - * @package Crypt_GPG - * @author Nathan Fredrickson <nathan@silverorange.com> - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2005-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - * @see Crypt_GPG::verify() - */ -class Crypt_GPG_Signature -{ - // {{{ class properties - - /** - * A base64-encoded string containing a unique id for this signature if - * this signature has been verified as ok - * - * This id is used to prevent replay attacks and is not present for all - * types of signatures. - * - * @var string - */ - private $_id = ''; - - /** - * The fingerprint of the key used to create the signature - * - * @var string - */ - private $_keyFingerprint = ''; - - /** - * The id of the key used to create the signature - * - * @var string - */ - private $_keyId = ''; - - /** - * The creation date of this signature - * - * This is a Unix timestamp. - * - * @var integer - */ - private $_creationDate = 0; - - /** - * The expiration date of the signature - * - * This is a Unix timestamp. If this signature does not expire, this will - * be zero. - * - * @var integer - */ - private $_expirationDate = 0; - - /** - * The user id associated with this signature - * - * @var Crypt_GPG_UserId - */ - private $_userId = null; - - /** - * Whether or not this signature is valid - * - * @var boolean - */ - private $_isValid = false; - - // }}} - // {{{ __construct() - - /** - * Creates a new signature - * - * Signatures can be initialized from an array of named values. Available - * names are: - * - * - <kbd>string id</kbd> - the unique id of this signature. - * - <kbd>string fingerprint</kbd> - the fingerprint of the key used to - * create the signature. The fingerprint - * should not contain formatting - * characters. - * - <kbd>string keyId</kbd> - the id of the key used to create the - * the signature. - * - <kbd>integer creation</kbd> - the date the signature was created. - * This is a UNIX timestamp. - * - <kbd>integer expiration</kbd> - the date the signature expired. This - * is a UNIX timestamp. If the signature - * does not expire, use 0. - * - <kbd>boolean valid</kbd> - whether or not the signature is valid. - * - <kbd>string userId</kbd> - the user id associated with the - * signature. This may also be a - * {@link Crypt_GPG_UserId} object. - * - * @param Crypt_GPG_Signature|array $signature optional. Either an existing - * signature object, which is copied; or an array of initial values. - */ - public function __construct($signature = null) - { - // copy from object - if ($signature instanceof Crypt_GPG_Signature) { - $this->_id = $signature->_id; - $this->_keyFingerprint = $signature->_keyFingerprint; - $this->_keyId = $signature->_keyId; - $this->_creationDate = $signature->_creationDate; - $this->_expirationDate = $signature->_expirationDate; - $this->_isValid = $signature->_isValid; - - if ($signature->_userId instanceof Crypt_GPG_UserId) { - $this->_userId = clone $signature->_userId; - } else { - $this->_userId = $signature->_userId; - } - } - - // initialize from array - if (is_array($signature)) { - if (array_key_exists('id', $signature)) { - $this->setId($signature['id']); - } - - if (array_key_exists('fingerprint', $signature)) { - $this->setKeyFingerprint($signature['fingerprint']); - } - - if (array_key_exists('keyId', $signature)) { - $this->setKeyId($signature['keyId']); - } - - if (array_key_exists('creation', $signature)) { - $this->setCreationDate($signature['creation']); - } - - if (array_key_exists('expiration', $signature)) { - $this->setExpirationDate($signature['expiration']); - } - - if (array_key_exists('valid', $signature)) { - $this->setValid($signature['valid']); - } - - if (array_key_exists('userId', $signature)) { - $userId = new Crypt_GPG_UserId($signature['userId']); - $this->setUserId($userId); - } - } - } - - // }}} - // {{{ getId() - - /** - * Gets the id of this signature - * - * @return string a base64-encoded string containing a unique id for this - * signature. This id is used to prevent replay attacks and - * is not present for all types of signatures. - */ - public function getId() - { - return $this->_id; - } - - // }}} - // {{{ getKeyFingerprint() - - /** - * Gets the fingerprint of the key used to create this signature - * - * @return string the fingerprint of the key used to create this signature. - */ - public function getKeyFingerprint() - { - return $this->_keyFingerprint; - } - - // }}} - // {{{ getKeyId() - - /** - * Gets the id of the key used to create this signature - * - * Whereas the fingerprint of the signing key may not always be available - * (for example if the signature is bad), the id should always be - * available. - * - * @return string the id of the key used to create this signature. - */ - public function getKeyId() - { - return $this->_keyId; - } - - // }}} - // {{{ getCreationDate() - - /** - * Gets the creation date of this signature - * - * @return integer the creation date of this signature. This is a Unix - * timestamp. - */ - public function getCreationDate() - { - return $this->_creationDate; - } - - // }}} - // {{{ getExpirationDate() - - /** - * Gets the expiration date of the signature - * - * @return integer the expiration date of this signature. This is a Unix - * timestamp. If this signature does not expire, this will - * be zero. - */ - public function getExpirationDate() - { - return $this->_expirationDate; - } - - // }}} - // {{{ getUserId() - - /** - * Gets the user id associated with this signature - * - * @return Crypt_GPG_UserId the user id associated with this signature. - */ - public function getUserId() - { - return $this->_userId; - } - - // }}} - // {{{ isValid() - - /** - * Gets whether or no this signature is valid - * - * @return boolean true if this signature is valid and false if it is not. - */ - public function isValid() - { - return $this->_isValid; - } - - // }}} - // {{{ setId() - - /** - * Sets the id of this signature - * - * @param string $id a base64-encoded string containing a unique id for - * this signature. - * - * @return Crypt_GPG_Signature the current object, for fluent interface. - * - * @see Crypt_GPG_Signature::getId() - */ - public function setId($id) - { - $this->_id = strval($id); - return $this; - } - - // }}} - // {{{ setKeyFingerprint() - - /** - * Sets the key fingerprint of this signature - * - * @param string $fingerprint the key fingerprint of this signature. This - * is the fingerprint of the primary key used to - * create this signature. - * - * @return Crypt_GPG_Signature the current object, for fluent interface. - */ - public function setKeyFingerprint($fingerprint) - { - $this->_keyFingerprint = strval($fingerprint); - return $this; - } - - // }}} - // {{{ setKeyId() - - /** - * Sets the key id of this signature - * - * @param string $id the key id of this signature. This is the id of the - * primary key used to create this signature. - * - * @return Crypt_GPG_Signature the current object, for fluent interface. - */ - public function setKeyId($id) - { - $this->_keyId = strval($id); - return $this; - } - - // }}} - // {{{ setCreationDate() - - /** - * Sets the creation date of this signature - * - * @param integer $creationDate the creation date of this signature. This - * is a Unix timestamp. - * - * @return Crypt_GPG_Signature the current object, for fluent interface. - */ - public function setCreationDate($creationDate) - { - $this->_creationDate = intval($creationDate); - return $this; - } - - // }}} - // {{{ setExpirationDate() - - /** - * Sets the expiration date of this signature - * - * @param integer $expirationDate the expiration date of this signature. - * This is a Unix timestamp. Specify zero if - * this signature does not expire. - * - * @return Crypt_GPG_Signature the current object, for fluent interface. - */ - public function setExpirationDate($expirationDate) - { - $this->_expirationDate = intval($expirationDate); - return $this; - } - - // }}} - // {{{ setUserId() - - /** - * Sets the user id associated with this signature - * - * @param Crypt_GPG_UserId $userId the user id associated with this - * signature. - * - * @return Crypt_GPG_Signature the current object, for fluent interface. - */ - public function setUserId(Crypt_GPG_UserId $userId) - { - $this->_userId = $userId; - return $this; - } - - // }}} - // {{{ setValid() - - /** - * Sets whether or not this signature is valid - * - * @param boolean $isValid true if this signature is valid and false if it - * is not. - * - * @return Crypt_GPG_Signature the current object, for fluent interface. - */ - public function setValid($isValid) - { - $this->_isValid = ($isValid) ? true : false; - return $this; - } - - // }}} -} - -// }}} - -?> diff --git a/plugins/enigma/lib/Crypt/GPG/SubKey.php b/plugins/enigma/lib/Crypt/GPG/SubKey.php deleted file mode 100644 index b6316e99f..000000000 --- a/plugins/enigma/lib/Crypt/GPG/SubKey.php +++ /dev/null @@ -1,649 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * Contains a class representing GPG sub-keys and constants for GPG algorithms - * - * PHP version 5 - * - * LICENSE: - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of the - * License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @author Nathan Fredrickson <nathan@silverorange.com> - * @copyright 2005-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @version CVS: $Id: SubKey.php 302768 2010-08-25 13:45:52Z gauthierm $ - * @link http://pear.php.net/package/Crypt_GPG - */ - -// {{{ class Crypt_GPG_SubKey - -/** - * A class for GPG sub-key information - * - * This class is used to store the results of the {@link Crypt_GPG::getKeys()} - * method. Sub-key objects are members of a {@link Crypt_GPG_Key} object. - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @author Nathan Fredrickson <nathan@silverorange.com> - * @copyright 2005-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - * @see Crypt_GPG::getKeys() - * @see Crypt_GPG_Key::getSubKeys() - */ -class Crypt_GPG_SubKey -{ - // {{{ class constants - - /** - * RSA encryption algorithm. - */ - const ALGORITHM_RSA = 1; - - /** - * Elgamal encryption algorithm (encryption only). - */ - const ALGORITHM_ELGAMAL_ENC = 16; - - /** - * DSA encryption algorithm (sometimes called DH, sign only). - */ - const ALGORITHM_DSA = 17; - - /** - * Elgamal encryption algorithm (signage and encryption - should not be - * used). - */ - const ALGORITHM_ELGAMAL_ENC_SGN = 20; - - // }}} - // {{{ class properties - - /** - * The id of this sub-key - * - * @var string - */ - private $_id = ''; - - /** - * The algorithm used to create this sub-key - * - * The value is one of the Crypt_GPG_SubKey::ALGORITHM_* constants. - * - * @var integer - */ - private $_algorithm = 0; - - /** - * The fingerprint of this sub-key - * - * @var string - */ - private $_fingerprint = ''; - - /** - * Length of this sub-key in bits - * - * @var integer - */ - private $_length = 0; - - /** - * Date this sub-key was created - * - * This is a Unix timestamp. - * - * @var integer - */ - private $_creationDate = 0; - - /** - * Date this sub-key expires - * - * This is a Unix timestamp. If this sub-key does not expire, this will be - * zero. - * - * @var integer - */ - private $_expirationDate = 0; - - /** - * Whether or not this sub-key can sign data - * - * @var boolean - */ - private $_canSign = false; - - /** - * Whether or not this sub-key can encrypt data - * - * @var boolean - */ - private $_canEncrypt = false; - - /** - * Whether or not the private key for this sub-key exists in the keyring - * - * @var boolean - */ - private $_hasPrivate = false; - - /** - * Whether or not this sub-key is revoked - * - * @var boolean - */ - private $_isRevoked = false; - - // }}} - // {{{ __construct() - - /** - * Creates a new sub-key object - * - * Sub-keys can be initialized from an array of named values. Available - * names are: - * - * - <kbd>string id</kbd> - the key id of the sub-key. - * - <kbd>integer algorithm</kbd> - the encryption algorithm of the - * sub-key. - * - <kbd>string fingerprint</kbd> - the fingerprint of the sub-key. The - * fingerprint should not contain - * formatting characters. - * - <kbd>integer length</kbd> - the length of the sub-key in bits. - * - <kbd>integer creation</kbd> - the date the sub-key was created. - * This is a UNIX timestamp. - * - <kbd>integer expiration</kbd> - the date the sub-key expires. This - * is a UNIX timestamp. If the sub-key - * does not expire, use 0. - * - <kbd>boolean canSign</kbd> - whether or not the sub-key can be - * used to sign data. - * - <kbd>boolean canEncrypt</kbd> - whether or not the sub-key can be - * used to encrypt data. - * - <kbd>boolean hasPrivate</kbd> - whether or not the private key for - * the sub-key exists in the keyring. - * - <kbd>boolean isRevoked</kbd> - whether or not this sub-key is - * revoked. - * - * @param Crypt_GPG_SubKey|string|array $key optional. Either an existing - * sub-key object, which is copied; a sub-key string, which is - * parsed; or an array of initial values. - */ - public function __construct($key = null) - { - // parse from string - if (is_string($key)) { - $key = self::parse($key); - } - - // copy from object - if ($key instanceof Crypt_GPG_SubKey) { - $this->_id = $key->_id; - $this->_algorithm = $key->_algorithm; - $this->_fingerprint = $key->_fingerprint; - $this->_length = $key->_length; - $this->_creationDate = $key->_creationDate; - $this->_expirationDate = $key->_expirationDate; - $this->_canSign = $key->_canSign; - $this->_canEncrypt = $key->_canEncrypt; - $this->_hasPrivate = $key->_hasPrivate; - $this->_isRevoked = $key->_isRevoked; - } - - // initialize from array - if (is_array($key)) { - if (array_key_exists('id', $key)) { - $this->setId($key['id']); - } - - if (array_key_exists('algorithm', $key)) { - $this->setAlgorithm($key['algorithm']); - } - - if (array_key_exists('fingerprint', $key)) { - $this->setFingerprint($key['fingerprint']); - } - - if (array_key_exists('length', $key)) { - $this->setLength($key['length']); - } - - if (array_key_exists('creation', $key)) { - $this->setCreationDate($key['creation']); - } - - if (array_key_exists('expiration', $key)) { - $this->setExpirationDate($key['expiration']); - } - - if (array_key_exists('canSign', $key)) { - $this->setCanSign($key['canSign']); - } - - if (array_key_exists('canEncrypt', $key)) { - $this->setCanEncrypt($key['canEncrypt']); - } - - if (array_key_exists('hasPrivate', $key)) { - $this->setHasPrivate($key['hasPrivate']); - } - - if (array_key_exists('isRevoked', $key)) { - $this->setRevoked($key['isRevoked']); - } - } - } - - // }}} - // {{{ getId() - - /** - * Gets the id of this sub-key - * - * @return string the id of this sub-key. - */ - public function getId() - { - return $this->_id; - } - - // }}} - // {{{ getAlgorithm() - - /** - * Gets the algorithm used by this sub-key - * - * The algorithm should be one of the Crypt_GPG_SubKey::ALGORITHM_* - * constants. - * - * @return integer the algorithm used by this sub-key. - */ - public function getAlgorithm() - { - return $this->_algorithm; - } - - // }}} - // {{{ getCreationDate() - - /** - * Gets the creation date of this sub-key - * - * This is a Unix timestamp. - * - * @return integer the creation date of this sub-key. - */ - public function getCreationDate() - { - return $this->_creationDate; - } - - // }}} - // {{{ getExpirationDate() - - /** - * Gets the date this sub-key expires - * - * This is a Unix timestamp. If this sub-key does not expire, this will be - * zero. - * - * @return integer the date this sub-key expires. - */ - public function getExpirationDate() - { - return $this->_expirationDate; - } - - // }}} - // {{{ getFingerprint() - - /** - * Gets the fingerprint of this sub-key - * - * @return string the fingerprint of this sub-key. - */ - public function getFingerprint() - { - return $this->_fingerprint; - } - - // }}} - // {{{ getLength() - - /** - * Gets the length of this sub-key in bits - * - * @return integer the length of this sub-key in bits. - */ - public function getLength() - { - return $this->_length; - } - - // }}} - // {{{ canSign() - - /** - * Gets whether or not this sub-key can sign data - * - * @return boolean true if this sub-key can sign data and false if this - * sub-key can not sign data. - */ - public function canSign() - { - return $this->_canSign; - } - - // }}} - // {{{ canEncrypt() - - /** - * Gets whether or not this sub-key can encrypt data - * - * @return boolean true if this sub-key can encrypt data and false if this - * sub-key can not encrypt data. - */ - public function canEncrypt() - { - return $this->_canEncrypt; - } - - // }}} - // {{{ hasPrivate() - - /** - * Gets whether or not the private key for this sub-key exists in the - * keyring - * - * @return boolean true the private key for this sub-key exists in the - * keyring and false if it does not. - */ - public function hasPrivate() - { - return $this->_hasPrivate; - } - - // }}} - // {{{ isRevoked() - - /** - * Gets whether or not this sub-key is revoked - * - * @return boolean true if this sub-key is revoked and false if it is not. - */ - public function isRevoked() - { - return $this->_isRevoked; - } - - // }}} - // {{{ setCreationDate() - - /** - * Sets the creation date of this sub-key - * - * The creation date is a Unix timestamp. - * - * @param integer $creationDate the creation date of this sub-key. - * - * @return Crypt_GPG_SubKey the current object, for fluent interface. - */ - public function setCreationDate($creationDate) - { - $this->_creationDate = intval($creationDate); - return $this; - } - - // }}} - // {{{ setExpirationDate() - - /** - * Sets the expiration date of this sub-key - * - * The expiration date is a Unix timestamp. Specify zero if this sub-key - * does not expire. - * - * @param integer $expirationDate the expiration date of this sub-key. - * - * @return Crypt_GPG_SubKey the current object, for fluent interface. - */ - public function setExpirationDate($expirationDate) - { - $this->_expirationDate = intval($expirationDate); - return $this; - } - - // }}} - // {{{ setId() - - /** - * Sets the id of this sub-key - * - * @param string $id the id of this sub-key. - * - * @return Crypt_GPG_SubKey the current object, for fluent interface. - */ - public function setId($id) - { - $this->_id = strval($id); - return $this; - } - - // }}} - // {{{ setAlgorithm() - - /** - * Sets the algorithm used by this sub-key - * - * @param integer $algorithm the algorithm used by this sub-key. - * - * @return Crypt_GPG_SubKey the current object, for fluent interface. - */ - public function setAlgorithm($algorithm) - { - $this->_algorithm = intval($algorithm); - return $this; - } - - // }}} - // {{{ setFingerprint() - - /** - * Sets the fingerprint of this sub-key - * - * @param string $fingerprint the fingerprint of this sub-key. - * - * @return Crypt_GPG_SubKey the current object, for fluent interface. - */ - public function setFingerprint($fingerprint) - { - $this->_fingerprint = strval($fingerprint); - return $this; - } - - // }}} - // {{{ setLength() - - /** - * Sets the length of this sub-key in bits - * - * @param integer $length the length of this sub-key in bits. - * - * @return Crypt_GPG_SubKey the current object, for fluent interface. - */ - public function setLength($length) - { - $this->_length = intval($length); - return $this; - } - - // }}} - // {{{ setCanSign() - - /** - * Sets whether of not this sub-key can sign data - * - * @param boolean $canSign true if this sub-key can sign data and false if - * it can not. - * - * @return Crypt_GPG_SubKey the current object, for fluent interface. - */ - public function setCanSign($canSign) - { - $this->_canSign = ($canSign) ? true : false; - return $this; - } - - // }}} - // {{{ setCanEncrypt() - - /** - * Sets whether of not this sub-key can encrypt data - * - * @param boolean $canEncrypt true if this sub-key can encrypt data and - * false if it can not. - * - * @return Crypt_GPG_SubKey the current object, for fluent interface. - */ - public function setCanEncrypt($canEncrypt) - { - $this->_canEncrypt = ($canEncrypt) ? true : false; - return $this; - } - - // }}} - // {{{ setHasPrivate() - - /** - * Sets whether of not the private key for this sub-key exists in the - * keyring - * - * @param boolean $hasPrivate true if the private key for this sub-key - * exists in the keyring and false if it does - * not. - * - * @return Crypt_GPG_SubKey the current object, for fluent interface. - */ - public function setHasPrivate($hasPrivate) - { - $this->_hasPrivate = ($hasPrivate) ? true : false; - return $this; - } - - // }}} - // {{{ setRevoked() - - /** - * Sets whether or not this sub-key is revoked - * - * @param boolean $isRevoked whether or not this sub-key is revoked. - * - * @return Crypt_GPG_SubKey the current object, for fluent interface. - */ - public function setRevoked($isRevoked) - { - $this->_isRevoked = ($isRevoked) ? true : false; - return $this; - } - - // }}} - // {{{ parse() - - /** - * Parses a sub-key object from a sub-key string - * - * See <b>doc/DETAILS</b> in the - * {@link http://www.gnupg.org/download/ GPG distribution} for information - * on how the sub-key string is parsed. - * - * @param string $string the string containing the sub-key. - * - * @return Crypt_GPG_SubKey the sub-key object parsed from the string. - */ - public static function parse($string) - { - $tokens = explode(':', $string); - - $subKey = new Crypt_GPG_SubKey(); - - $subKey->setId($tokens[4]); - $subKey->setLength($tokens[2]); - $subKey->setAlgorithm($tokens[3]); - $subKey->setCreationDate(self::_parseDate($tokens[5])); - $subKey->setExpirationDate(self::_parseDate($tokens[6])); - - if ($tokens[1] == 'r') { - $subKey->setRevoked(true); - } - - if (strpos($tokens[11], 's') !== false) { - $subKey->setCanSign(true); - } - - if (strpos($tokens[11], 'e') !== false) { - $subKey->setCanEncrypt(true); - } - - return $subKey; - } - - // }}} - // {{{ _parseDate() - - /** - * Parses a date string as provided by GPG into a UNIX timestamp - * - * @param string $string the date string. - * - * @return integer the UNIX timestamp corresponding to the provided date - * string. - */ - private static function _parseDate($string) - { - if ($string == '') { - $timestamp = 0; - } else { - // all times are in UTC according to GPG documentation - $timeZone = new DateTimeZone('UTC'); - - if (strpos($string, 'T') === false) { - // interpret as UNIX timestamp - $string = '@' . $string; - } - - $date = new DateTime($string, $timeZone); - - // convert to UNIX timestamp - $timestamp = intval($date->format('U')); - } - - return $timestamp; - } - - // }}} -} - -// }}} - -?> diff --git a/plugins/enigma/lib/Crypt/GPG/UserId.php b/plugins/enigma/lib/Crypt/GPG/UserId.php deleted file mode 100644 index 04435708c..000000000 --- a/plugins/enigma/lib/Crypt/GPG/UserId.php +++ /dev/null @@ -1,373 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * Contains a data class representing a GPG user id - * - * PHP version 5 - * - * LICENSE: - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of the - * License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2008-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @version CVS: $Id: UserId.php 295621 2010-03-01 04:18:54Z gauthierm $ - * @link http://pear.php.net/package/Crypt_GPG - */ - -// {{{ class Crypt_GPG_UserId - -/** - * A class for GPG user id information - * - * This class is used to store the results of the {@link Crypt_GPG::getKeys()} - * method. User id objects are members of a {@link Crypt_GPG_Key} object. - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2008-2010 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - * @see Crypt_GPG::getKeys() - * @see Crypt_GPG_Key::getUserIds() - */ -class Crypt_GPG_UserId -{ - // {{{ class properties - - /** - * The name field of this user id - * - * @var string - */ - private $_name = ''; - - /** - * The comment field of this user id - * - * @var string - */ - private $_comment = ''; - - /** - * The email field of this user id - * - * @var string - */ - private $_email = ''; - - /** - * Whether or not this user id is revoked - * - * @var boolean - */ - private $_isRevoked = false; - - /** - * Whether or not this user id is valid - * - * @var boolean - */ - private $_isValid = true; - - // }}} - // {{{ __construct() - - /** - * Creates a new user id - * - * User ids can be initialized from an array of named values. Available - * names are: - * - * - <kbd>string name</kbd> - the name field of the user id. - * - <kbd>string comment</kbd> - the comment field of the user id. - * - <kbd>string email</kbd> - the email field of the user id. - * - <kbd>boolean valid</kbd> - whether or not the user id is valid. - * - <kbd>boolean revoked</kbd> - whether or not the user id is revoked. - * - * @param Crypt_GPG_UserId|string|array $userId optional. Either an - * existing user id object, which is copied; a user id string, which - * is parsed; or an array of initial values. - */ - public function __construct($userId = null) - { - // parse from string - if (is_string($userId)) { - $userId = self::parse($userId); - } - - // copy from object - if ($userId instanceof Crypt_GPG_UserId) { - $this->_name = $userId->_name; - $this->_comment = $userId->_comment; - $this->_email = $userId->_email; - $this->_isRevoked = $userId->_isRevoked; - $this->_isValid = $userId->_isValid; - } - - // initialize from array - if (is_array($userId)) { - if (array_key_exists('name', $userId)) { - $this->setName($userId['name']); - } - - if (array_key_exists('comment', $userId)) { - $this->setComment($userId['comment']); - } - - if (array_key_exists('email', $userId)) { - $this->setEmail($userId['email']); - } - - if (array_key_exists('revoked', $userId)) { - $this->setRevoked($userId['revoked']); - } - - if (array_key_exists('valid', $userId)) { - $this->setValid($userId['valid']); - } - } - } - - // }}} - // {{{ getName() - - /** - * Gets the name field of this user id - * - * @return string the name field of this user id. - */ - public function getName() - { - return $this->_name; - } - - // }}} - // {{{ getComment() - - /** - * Gets the comments field of this user id - * - * @return string the comments field of this user id. - */ - public function getComment() - { - return $this->_comment; - } - - // }}} - // {{{ getEmail() - - /** - * Gets the email field of this user id - * - * @return string the email field of this user id. - */ - public function getEmail() - { - return $this->_email; - } - - // }}} - // {{{ isRevoked() - - /** - * Gets whether or not this user id is revoked - * - * @return boolean true if this user id is revoked and false if it is not. - */ - public function isRevoked() - { - return $this->_isRevoked; - } - - // }}} - // {{{ isValid() - - /** - * Gets whether or not this user id is valid - * - * @return boolean true if this user id is valid and false if it is not. - */ - public function isValid() - { - return $this->_isValid; - } - - // }}} - // {{{ __toString() - - /** - * Gets a string representation of this user id - * - * The string is formatted as: - * <b><kbd>name (comment) <email-address></kbd></b>. - * - * @return string a string representation of this user id. - */ - public function __toString() - { - $components = array(); - - if (strlen($this->_name) > 0) { - $components[] = $this->_name; - } - - if (strlen($this->_comment) > 0) { - $components[] = '(' . $this->_comment . ')'; - } - - if (strlen($this->_email) > 0) { - $components[] = '<' . $this->_email. '>'; - } - - return implode(' ', $components); - } - - // }}} - // {{{ setName() - - /** - * Sets the name field of this user id - * - * @param string $name the name field of this user id. - * - * @return Crypt_GPG_UserId the current object, for fluent interface. - */ - public function setName($name) - { - $this->_name = strval($name); - return $this; - } - - // }}} - // {{{ setComment() - - /** - * Sets the comment field of this user id - * - * @param string $comment the comment field of this user id. - * - * @return Crypt_GPG_UserId the current object, for fluent interface. - */ - public function setComment($comment) - { - $this->_comment = strval($comment); - return $this; - } - - // }}} - // {{{ setEmail() - - /** - * Sets the email field of this user id - * - * @param string $email the email field of this user id. - * - * @return Crypt_GPG_UserId the current object, for fluent interface. - */ - public function setEmail($email) - { - $this->_email = strval($email); - return $this; - } - - // }}} - // {{{ setRevoked() - - /** - * Sets whether or not this user id is revoked - * - * @param boolean $isRevoked whether or not this user id is revoked. - * - * @return Crypt_GPG_UserId the current object, for fluent interface. - */ - public function setRevoked($isRevoked) - { - $this->_isRevoked = ($isRevoked) ? true : false; - return $this; - } - - // }}} - // {{{ setValid() - - /** - * Sets whether or not this user id is valid - * - * @param boolean $isValid whether or not this user id is valid. - * - * @return Crypt_GPG_UserId the current object, for fluent interface. - */ - public function setValid($isValid) - { - $this->_isValid = ($isValid) ? true : false; - return $this; - } - - // }}} - // {{{ parse() - - /** - * Parses a user id object from a user id string - * - * A user id string is of the form: - * <b><kbd>name (comment) <email-address></kbd></b> with the <i>comment</i> - * and <i>email-address</i> fields being optional. - * - * @param string $string the user id string to parse. - * - * @return Crypt_GPG_UserId the user id object parsed from the string. - */ - public static function parse($string) - { - $userId = new Crypt_GPG_UserId(); - $email = ''; - $comment = ''; - - // get email address from end of string if it exists - $matches = array(); - if (preg_match('/^(.+?) <([^>]+)>$/', $string, $matches) === 1) { - $string = $matches[1]; - $email = $matches[2]; - } - - // get comment from end of string if it exists - $matches = array(); - if (preg_match('/^(.+?) \(([^\)]+)\)$/', $string, $matches) === 1) { - $string = $matches[1]; - $comment = $matches[2]; - } - - $name = $string; - - $userId->setName($name); - $userId->setComment($comment); - $userId->setEmail($email); - - return $userId; - } - - // }}} -} - -// }}} - -?> diff --git a/plugins/enigma/lib/Crypt/GPG/VerifyStatusHandler.php b/plugins/enigma/lib/Crypt/GPG/VerifyStatusHandler.php deleted file mode 100644 index 083bd3012..000000000 --- a/plugins/enigma/lib/Crypt/GPG/VerifyStatusHandler.php +++ /dev/null @@ -1,216 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * Crypt_GPG is a package to use GPG from PHP - * - * This file contains an object that handles GPG's status output for the verify - * operation. - * - * PHP version 5 - * - * LICENSE: - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of the - * License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2008 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @version CVS: $Id: VerifyStatusHandler.php 302908 2010-08-31 03:56:54Z gauthierm $ - * @link http://pear.php.net/package/Crypt_GPG - * @link http://www.gnupg.org/ - */ - -/** - * Signature object class definition - */ -require_once 'Crypt/GPG/Signature.php'; - -/** - * Status line handler for the verify operation - * - * This class is used internally by Crypt_GPG and does not need be used - * directly. See the {@link Crypt_GPG} class for end-user API. - * - * This class is responsible for building signature objects that are returned - * by the {@link Crypt_GPG::verify()} method. See <b>doc/DETAILS</b> in the - * {@link http://www.gnupg.org/download/ GPG distribution} for detailed - * information on GPG's status output for the verify operation. - * - * @category Encryption - * @package Crypt_GPG - * @author Michael Gauthier <mike@silverorange.com> - * @copyright 2008 silverorange - * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 - * @link http://pear.php.net/package/Crypt_GPG - * @link http://www.gnupg.org/ - */ -class Crypt_GPG_VerifyStatusHandler -{ - // {{{ protected properties - - /** - * The current signature id - * - * Ths signature id is emitted by GPG before the new signature line so we - * must remember it temporarily. - * - * @var string - */ - protected $signatureId = ''; - - /** - * List of parsed {@link Crypt_GPG_Signature} objects - * - * @var array - */ - protected $signatures = array(); - - /** - * Array index of the current signature - * - * @var integer - */ - protected $index = -1; - - // }}} - // {{{ handle() - - /** - * Handles a status line - * - * @param string $line the status line to handle. - * - * @return void - */ - public function handle($line) - { - $tokens = explode(' ', $line); - switch ($tokens[0]) { - case 'GOODSIG': - case 'EXPSIG': - case 'EXPKEYSIG': - case 'REVKEYSIG': - case 'BADSIG': - $signature = new Crypt_GPG_Signature(); - - // if there was a signature id, set it on the new signature - if ($this->signatureId != '') { - $signature->setId($this->signatureId); - $this->signatureId = ''; - } - - // Detect whether fingerprint or key id was returned and set - // signature values appropriately. Key ids are strings of either - // 16 or 8 hexadecimal characters. Fingerprints are strings of 40 - // hexadecimal characters. The key id is the last 16 characters of - // the key fingerprint. - if (strlen($tokens[1]) > 16) { - $signature->setKeyFingerprint($tokens[1]); - $signature->setKeyId(substr($tokens[1], -16)); - } else { - $signature->setKeyId($tokens[1]); - } - - // get user id string - $string = implode(' ', array_splice($tokens, 2)); - $string = rawurldecode($string); - - $signature->setUserId(Crypt_GPG_UserId::parse($string)); - - $this->index++; - $this->signatures[$this->index] = $signature; - break; - - case 'ERRSIG': - $signature = new Crypt_GPG_Signature(); - - // if there was a signature id, set it on the new signature - if ($this->signatureId != '') { - $signature->setId($this->signatureId); - $this->signatureId = ''; - } - - // Detect whether fingerprint or key id was returned and set - // signature values appropriately. Key ids are strings of either - // 16 or 8 hexadecimal characters. Fingerprints are strings of 40 - // hexadecimal characters. The key id is the last 16 characters of - // the key fingerprint. - if (strlen($tokens[1]) > 16) { - $signature->setKeyFingerprint($tokens[1]); - $signature->setKeyId(substr($tokens[1], -16)); - } else { - $signature->setKeyId($tokens[1]); - } - - $this->index++; - $this->signatures[$this->index] = $signature; - - break; - - case 'VALIDSIG': - if (!array_key_exists($this->index, $this->signatures)) { - break; - } - - $signature = $this->signatures[$this->index]; - - $signature->setValid(true); - $signature->setKeyFingerprint($tokens[1]); - - if (strpos($tokens[3], 'T') === false) { - $signature->setCreationDate($tokens[3]); - } else { - $signature->setCreationDate(strtotime($tokens[3])); - } - - if (array_key_exists(4, $tokens)) { - if (strpos($tokens[4], 'T') === false) { - $signature->setExpirationDate($tokens[4]); - } else { - $signature->setExpirationDate(strtotime($tokens[4])); - } - } - - break; - - case 'SIG_ID': - // note: signature id comes before new signature line and may not - // exist for some signature types - $this->signatureId = $tokens[1]; - break; - } - } - - // }}} - // {{{ getSignatures() - - /** - * Gets the {@link Crypt_GPG_Signature} objects parsed by this handler - * - * @return array the signature objects parsed by this handler. - */ - public function getSignatures() - { - return $this->signatures; - } - - // }}} -} - -?> |