From 59478e06c25303a790a0840ab2ac30662c4ef781 Mon Sep 17 00:00:00 2001 From: Hugues Hiegel Date: Tue, 5 Aug 2014 16:46:22 +0200 Subject: c'est la merde.. --- .../enigma/lib/Crypt/GPG/DecryptStatusHandler.php | 336 --------------------- 1 file changed, 336 deletions(-) delete mode 100644 plugins/enigma/lib/Crypt/GPG/DecryptStatusHandler.php (limited to 'plugins/enigma/lib/Crypt/GPG/DecryptStatusHandler.php') 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 @@ - - * @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 doc/DETAILS 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 - * @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: - * - * array( - * $key_id => array( - * 'fingerprint' => $fingerprint, - * 'passphrase' => $passphrase - * ) - * ); - * - * - * @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 debug 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); - } - } - - // }}} -} - -?> -- cgit v1.2.3