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<?php |
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/** |
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* EGroupware addressbook: Contacts |
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* |
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* @link http://www.egroupware.org |
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* @author Cornelius Weiss <[email protected]> |
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de> |
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* @author Joerg Lehrke <[email protected]> |
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* @package addressbook |
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* @copyright (c) 2005-16 by Ralf Becker <RalfBecker-AT-outdoor-training.de> |
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* @copyright (c) 2005/6 by Cornelius Weiss <[email protected]> |
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License |
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* @version $Id$ |
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*/ |
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use EGroupware\Api; |
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use EGroupware\Api\Acl; |
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/** |
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* Business object for addressbook |
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* |
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* Currently this only contains PGP stuff, which needs to be called via Ajax |
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*/ |
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class addressbook_bo extends Api\Contacts |
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{ |
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static public $pgp_key_regexp = '/-----BEGIN PGP PUBLIC KEY BLOCK-----.*-----END PGP PUBLIC KEY BLOCK-----\r?\n?/s'; |
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/** |
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* Search addressbook for PGP public keys of given recipients |
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* |
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* EMail addresses are lowercased to make search case-insensitive |
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* |
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* @param string|int|array $recipients (array of) email addresses or numeric account-ids |
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* @return array email|account_id => key pairs |
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*/ |
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public function get_pgp_keys($recipients) |
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{ |
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return $this->get_keys($recipients, true); |
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} |
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/** |
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* Keyserver URL and CA to verify ssl connection |
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*/ |
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const KEYSERVER = 'https://hkps.pool.sks-keyservers.net/pks/lookup?op=get&exact=on&search='; |
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const KEYSERVER_CA = '/addressbook/doc/sks-keyservers.netCA.pem'; |
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/** |
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* Search keyserver for PGP public keys |
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* |
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* @param int|string|array $recipients (array of) email addresses or numeric account-ids |
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* @param array $result =array() |
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*/ |
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public static function get_pgp_keyserver($recipients, array $result=array()) |
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{ |
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foreach($recipients as $recipient) |
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{ |
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$id = $recipient; |
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if (is_numeric($recipient)) |
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{ |
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$recipient = $GLOBALS['egw']->accounts->id2name($recipient, 'account_email'); |
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} |
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$matches = null; |
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if (($response = file_get_contents(self::KEYSERVER.urlencode($recipient), false, stream_context_create(array( |
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'ssl' => array( |
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'verify_peer' => true, |
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'cafile' => EGW_SERVER_ROOT.self::KEYSERVER_CA, |
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) |
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)))) && preg_match(self::$pgp_key_regexp, $response, $matches)) |
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{ |
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$result[$id] = $matches[0]; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Search addressbook for PGP public keys of given recipients |
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* |
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* EMail addresses are lowercased to make search case-insensitive |
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* |
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* @param string|int|array $recipients (array of) email addresses or numeric account-ids |
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* @return array email|account_id => key pairs |
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*/ |
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public function ajax_get_pgp_keys($recipients) |
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{ |
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if (!$recipients) return array(); |
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if (!is_array($recipients)) $recipients = array($recipients); |
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$result = $this->get_pgp_keys($recipients); |
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if (($missing = array_diff($recipients, array_keys($result)))) |
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{ |
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$result = self::get_pgp_keyserver($missing, $result); |
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} |
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//error_log(__METHOD__."(".array2string($recipients).") returning ".array2string($result)); |
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Api\Json\Response::get()->data($result); |
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} |
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/** |
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* Set PGP keys for given email or account_id, if user has necessary rights |
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* |
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* @param array $keys email|account_id => public key pairs to store |
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* @param boolean $allow_user_updates =null for admins, set config to allow regular users to store their pgp key |
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* @return int number of pgp keys stored |
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*/ |
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public function ajax_set_pgp_keys($keys, $allow_user_updates=null) |
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{ |
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$message = $this->set_keys($keys, true, $allow_user_updates); |
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// add all keys to public keyserver too |
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$message .= "\n".lang('%1 key(s) added to public keyserver "%2".', |
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self::set_pgp_keyserver($keys), PARSE_URL(self::KEYSERVER_ADD, PHP_URL_HOST)); |
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Api\Json\Response::get()->data($message); |
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} |
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/** |
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* Keyserver add URL |
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*/ |
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const KEYSERVER_ADD = 'https://hkps.pool.sks-keyservers.net/pks/add'; |
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/** |
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* Upload PGP keys to public keyserver |
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* |
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* @param array $keys email|account_id => public key pairs to store |
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* @return int number of pgp keys stored |
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*/ |
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public static function set_pgp_keyserver($keys) |
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{ |
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$added = 0; |
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foreach($keys as $email => $cert) |
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{ |
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if (is_numeric($email)) |
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{ |
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$email = $GLOBALS['egw']->accounts->id2name($email, 'account_email'); |
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} |
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if (($response = file_get_contents(self::KEYSERVER_ADD, false, stream_context_create(array( |
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'ssl' => array( |
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'verify_peer' => true, |
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'cafile' => EGW_SERVER_ROOT.self::KEYSERVER_CA, |
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), |
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'http' => array( |
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'header' => "Content-type: text/plain", |
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'method' => 'POST', |
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'content' => http_build_query(array( |
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'keytext' => $cert, |
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)), |
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), |
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))))) |
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{ |
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$added++; |
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} |
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} |
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return $added; |
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} |
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/** |
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* Where to store public key depending on type and storage backend |
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* |
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* @param boolean $pgp true: PGP, false: S/Mime |
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* @param array $contact =null contact array to pass to get_backend() |
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* @return boolean true: store as file, false: store with contact |
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*/ |
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public function pubkey_use_file($pgp, array $contact=null) |
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{ |
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return $pgp || empty($contact) || get_class($this->get_backend($contact)) == 'EGroupware\\Api\\Contacts\\Sql'; |
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} |
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/** |
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* Set keys for given email or account_id and key type based on regexp (SMIME or PGP), if user has necessary rights |
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* |
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* @param array $keys email|account_id => public key pairs to store |
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* @param boolean $pgp true: PGP, false: S/Mime |
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* @param boolean $allow_user_updates = null for admins, set config to allow regular users to store their key |
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* |
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* @return string message of the update operation result |
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*/ |
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public function set_keys ($keys, $pgp, $allow_user_updates = null) |
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{ |
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if (isset($allow_user_updates) && isset($GLOBALS['egw_info']['user']['apps']['admin'])) |
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{ |
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$update = false; |
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if ($allow_user_updates && !in_array('pubkey', $this->own_account_acl)) |
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{ |
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$this->own_account_acl[] = 'pubkey'; |
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$update = true; |
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} |
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elseif (!$allow_user_updates && ($key = array_search('pubkey', $this->own_account_acl)) !== false) |
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{ |
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unset($this->own_account_acl[$key]); |
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$update = true; |
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} |
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if ($update) |
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{ |
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Config::save_value('own_account_acl', $this->own_account_acl, 'phpgwapi'); |
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} |
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} |
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$key_regexp = $pgp ? self::$pgp_key_regexp : Api\Mail\Smime::$certificate_regexp; |
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$file = $pgp ? Api\Contacts::FILES_PGP_PUBKEY : Api\Contacts::FILES_SMIME_PUBKEY; |
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$criteria = array(); |
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foreach($keys as $recipient => $key) |
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{ |
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if (!preg_match($key_regexp, $key)) |
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{ |
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return lang('File is not a %1 public key!', $pgp ? lang('PGP') : lang('S/MIME')); |
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} |
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if (is_numeric($recipient)) |
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{ |
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$criteria['egw_addressbook.account_id'][] = (int)$recipient; |
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} |
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else |
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{ |
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$criteria['contact_email'][] = $recipient; |
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} |
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} |
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if (!$criteria) return 0; |
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$updated = 0; |
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$filters = array(null); |
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// if accounts-backend is NOT SQL, we need to search the accounts separate |
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if ($this->so_accounts) |
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{ |
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$filters[] = array('owner' => '0'); |
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} |
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foreach($filters as $filter) |
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{ |
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foreach((array)$this->search($criteria, false, '', '', '', false, 'OR', false, $filter) as $contact) |
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{ |
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if ($contact['account_id'] && isset($keys[$contact['account_id']])) |
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{ |
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$key = $keys[$contact['account_id']]; |
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} |
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elseif (isset($keys[$contact['email']])) |
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{ |
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$key = $keys[$contact['email']]; |
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} |
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// key is stored in file for sql backend or allways for pgp key |
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$path = null; |
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if ($contact['id'] && $this->pubkey_use_file($pgp, $contact)) |
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{ |
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$path = Api\Link::vfs_path('addressbook', $contact['id'], $file); |
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$contact['files'] |= $pgp ? self::FILES_BIT_PGP_PUBKEY : self::FILES_BIT_SMIME_PUBKEY; |
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// remove evtl. existing old pubkey |
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if (preg_match($key_regexp, $contact['pubkey'])) |
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{ |
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$contact['pubkey'] = preg_replace($key_regexp, '', $contact['pubkey']); |
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} |
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$updated++; |
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} |
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elseif (empty($contact['pubkey']) || !preg_match($key_regexp, $contact['pubkey'])) |
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{ |
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$contact['pubkey'] .= $key; |
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} |
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else |
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{ |
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$contact['pubkey'] = preg_replace($key_regexp, $key, $contact['pubkey']); |
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} |
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$contact['photo_unchanged'] = true; // otherwise photo will be lost, because $contact['jpegphoto'] is not set |
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if ($this->check_perms(Acl::EDIT, $contact) && $this->save($contact)) |
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{ |
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if ($path) |
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{ |
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// check_perms && save check ACL, in case of access only via own-account we have to use root to allow the update |
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$backup = Api\Vfs::$is_root; Api\Vfs::$is_root = true; |
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if (file_put_contents($path, $key)) ++$updated; |
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Api\Vfs::$is_root = $backup; |
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} |
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else |
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{ |
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++$updated; |
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} |
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} |
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} |
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} |
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if ($criteria == array('egw.addressbook.account_id' => array((int)$GLOBALS['egw_info']['user']['account_id']))) |
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{ |
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$message = !$updated ? lang('Permissiong denied! Ask your administrator to allow regular uses to update their public keys.') : |
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lang('Your new public key has been stored in accounts addressbook.'); |
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} |
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else |
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{ |
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$message = !$updated ? false: lang('%1 public keys added.', $updated); |
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} |
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return $message; |
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} |
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/** |
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292
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* Search addressbook for keys of given recipients |
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293
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* |
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294
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* EMail addresses are lowercased to make search case-insensitive |
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295
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* |
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296
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* @param string|int|array $recipients (array of) email addresses or numeric account-ids or "contact:$id" for contacts by id |
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297
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* @param boolean $pgp true: PGP, false: S/Mime public keys |
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298
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* @return array email|account_id => key pairs |
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299
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*/ |
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300
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protected function get_keys ($recipients, $pgp) |
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301
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{ |
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if (!$recipients) return array(); |
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303
|
|
|
|
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304
|
|
|
if (!is_array($recipients)) $recipients = array($recipients); |
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305
|
|
|
|
|
306
|
|
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$criteria = $result = array(); |
|
307
|
|
|
foreach($recipients as &$recipient) |
|
308
|
|
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{ |
|
309
|
|
|
if (is_numeric($recipient)) |
|
310
|
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{ |
|
311
|
|
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$criteria['egw_addressbook.account_id'][] = (int)$recipient; |
|
312
|
|
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} |
|
313
|
|
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else |
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314
|
|
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{ |
|
315
|
|
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$criteria['contact_email_home'][] = $criteria['contact_email'][] = $recipient = strtolower($recipient); |
|
316
|
|
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} |
|
317
|
|
|
} |
|
318
|
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$filters = array(null); |
|
319
|
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// if accounts-backend is NOT SQL, we need to search the accounts separate |
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320
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|
|
if ($this->so_accounts) |
|
321
|
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{ |
|
322
|
|
|
$filters[] = array('owner' => '0'); |
|
323
|
|
|
} |
|
324
|
|
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foreach ($filters as $filter) |
|
325
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|
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{ |
|
326
|
|
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foreach((array)$this->search($criteria, array('account_id', 'contact_email', 'contact_email_home', 'contact_pubkey', 'contact_id'), |
|
327
|
|
|
'', '', '', false, 'OR', false, $filter) as $contact) |
|
328
|
|
|
{ |
|
329
|
|
|
// first check for file and second for pubkey field (LDAP, AD or old SQL) |
|
330
|
|
|
if (($content = $this->get_key($contact, $pgp))) |
|
331
|
|
|
{ |
|
332
|
|
|
$contact['email'] = strtolower($contact['email']); |
|
333
|
|
|
if (empty($criteria['account_id']) || in_array($contact['email'], $recipients)) |
|
334
|
|
|
{ |
|
335
|
|
|
if (in_array($contact['email_home'], $recipients)) |
|
336
|
|
|
{ |
|
337
|
|
|
$result[$contact['email_home']] = $content; |
|
338
|
|
|
} |
|
339
|
|
|
else |
|
340
|
|
|
{ |
|
341
|
|
|
$result[$contact['email']] = $content; |
|
342
|
|
|
} |
|
343
|
|
|
} |
|
344
|
|
|
else |
|
345
|
|
|
{ |
|
346
|
|
|
$result[$contact['account_id']] = $content; |
|
347
|
|
|
} |
|
348
|
|
|
} |
|
349
|
|
|
} |
|
350
|
|
|
} |
|
351
|
|
|
return $result; |
|
352
|
|
|
} |
|
353
|
|
|
|
|
354
|
|
|
/** |
|
355
|
|
|
* Extract PGP or S/Mime pubkey from contact array |
|
356
|
|
|
* |
|
357
|
|
|
* @param array $contact |
|
358
|
|
|
* @param boolean $pgp |
|
359
|
|
|
* @return string pubkey or NULL |
|
360
|
|
|
*/ |
|
361
|
|
|
function get_key(array $contact, $pgp) |
|
362
|
|
|
{ |
|
363
|
|
|
if ($pgp) |
|
364
|
|
|
{ |
|
365
|
|
|
$key_regexp = self::$pgp_key_regexp; |
|
366
|
|
|
$file = Api\Contacts::FILES_PGP_PUBKEY; |
|
367
|
|
|
} |
|
368
|
|
|
else |
|
369
|
|
|
{ |
|
370
|
|
|
$key_regexp = Api\Mail\Smime::$certificate_regexp; |
|
371
|
|
|
$file = Api\Contacts::FILES_SMIME_PUBKEY; |
|
372
|
|
|
} |
|
373
|
|
|
$matches = null; |
|
374
|
|
|
if (file_exists($path = Api\Link::vfs_path('addressbook', $contact['id'], $file)) && |
|
|
|
|
|
|
375
|
|
|
($content = file_get_contents($path)) && |
|
376
|
|
|
preg_match($key_regexp, $content, $matches) || |
|
377
|
|
|
preg_match($key_regexp, $contact['pubkey'], $matches)) |
|
378
|
|
|
{ |
|
379
|
|
|
return $matches[0]; |
|
380
|
|
|
} |
|
381
|
|
|
return null; |
|
382
|
|
|
} |
|
383
|
|
|
|
|
384
|
|
|
/** |
|
385
|
|
|
* Search addressbook for SMIME Certificate keys of given recipients |
|
386
|
|
|
* |
|
387
|
|
|
* EMail addresses are lowercased to make search case-insensitive |
|
388
|
|
|
* |
|
389
|
|
|
* @param string|int|array $recipients (array of) email addresses or numeric account-ids |
|
390
|
|
|
* @return array email|account_id => key pairs |
|
391
|
|
|
*/ |
|
392
|
|
|
public function get_smime_keys($recipients) |
|
393
|
|
|
{ |
|
394
|
|
|
return $this->get_keys($recipients, false); |
|
395
|
|
|
} |
|
396
|
|
|
|
|
397
|
|
|
/** |
|
398
|
|
|
* Set SMIME keys for given email or account_id, if user has necessary rights |
|
399
|
|
|
* |
|
400
|
|
|
* @param array $keys email|account_id => public key pairs to store |
|
401
|
|
|
* @param boolean $allow_user_updates =null for admins, set config to allow regular users to store their smime key |
|
402
|
|
|
* |
|
403
|
|
|
* @return string message of the update operation result |
|
404
|
|
|
*/ |
|
405
|
|
|
public function set_smime_keys($keys, $allow_user_updates=null) |
|
406
|
|
|
{ |
|
407
|
|
|
return $this->set_keys($keys, false, $allow_user_updates); |
|
408
|
|
|
} |
|
409
|
|
|
|
|
410
|
|
|
/** |
|
411
|
|
|
* Saves contact |
|
412
|
|
|
* |
|
413
|
|
|
* Reimplemented to strip pubkeys pasted into pubkey field or imported and store them as files in Vfs. |
|
414
|
|
|
* We allways store PGP pubkeys to Vfs, but S/Mime ones only for SQL backend, not for LDAP or AD. |
|
415
|
|
|
* |
|
416
|
|
|
* @param array &$contact contact array from etemplate::exec |
|
417
|
|
|
* @param boolean $ignore_acl =false should the acl be checked or not |
|
418
|
|
|
* @param boolean $touch_modified =true should modified/r be updated |
|
419
|
|
|
* @return int|string|boolean id on success, false on failure, the error-message is in $this->error |
|
420
|
|
|
*/ |
|
421
|
|
|
function save(&$contact, $ignore_acl=false, $touch_modified=true) |
|
422
|
|
|
{ |
|
423
|
|
|
if (($id = parent::save($contact, $ignore_acl, $touch_modified)) && !empty($contact['pubkey'])) |
|
424
|
|
|
{ |
|
425
|
|
|
$files = 0; |
|
426
|
|
|
foreach(array( |
|
427
|
|
|
array(addressbook_bo::$pgp_key_regexp, Api\Contacts::FILES_PGP_PUBKEY, Api\Contacts::FILES_BIT_PGP_PUBKEY), |
|
428
|
|
|
array(Api\Mail\Smime::$certificate_regexp, Api\Contacts::FILES_SMIME_PUBKEY, Api\Contacts::FILES_BIT_SMIME_PUBKEY), |
|
429
|
|
|
) as $data) |
|
430
|
|
|
{ |
|
431
|
|
|
list($regexp, $file, $bit) = $data; |
|
432
|
|
|
$matches = null; |
|
433
|
|
|
if (!empty($contact['pubkey']) && preg_match($regexp, $contact['pubkey'], $matches) && |
|
434
|
|
|
// check if we store that pubkey as file (PGP allways, but S/Mime only for SQL backend, not for LDAP or AD!) |
|
435
|
|
|
$this->pubkey_use_file($bit === Api\Contacts::FILES_BIT_PGP_PUBKEY, $contact)) |
|
436
|
|
|
{ |
|
437
|
|
|
// check_perms && save check ACL, in case of access only via own-account we have to use root to allow the update |
|
438
|
|
|
$backup = Api\Vfs::$is_root; Api\Vfs::$is_root = true; |
|
439
|
|
|
if (file_put_contents(Api\Link::vfs_path('addressbook', $id, $file), $matches[0])) |
|
440
|
|
|
{ |
|
441
|
|
|
$files |= $bit; |
|
442
|
|
|
$contact['pubkey'] = str_replace($matches[0], '', $contact['pubkey']); |
|
443
|
|
|
} |
|
444
|
|
|
Api\Vfs::$is_root = $backup; |
|
445
|
|
|
} |
|
446
|
|
|
} |
|
447
|
|
|
// if we stripped a pubkey / stored it as file --> remove it from DB |
|
448
|
|
|
if ($files) |
|
449
|
|
|
{ |
|
450
|
|
|
if (!trim($contact['pubkey'])) $contact['pubkey'] = null; |
|
451
|
|
|
$contact['files'] |= $files; |
|
452
|
|
|
parent::save($contact, $ignore_acl, $touch_modified); |
|
453
|
|
|
} |
|
454
|
|
|
} |
|
455
|
|
|
return $id; |
|
456
|
|
|
} |
|
457
|
|
|
} |
|
458
|
|
|
|
EGroupware /
egroupware
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This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.