forked from GNUsocial/gnu-social
df4462611c
This reverts commit 9fd02a4f11.
Looks like there's some changes I missed in there and getting this in'll involve updating some other packages. Will poke it after 0.9.2.
479 lines
14 KiB
PHP
479 lines
14 KiB
PHP
<?PHP
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* SMTP MX
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*
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* SMTP MX implementation of the PEAR Mail interface. Requires the Net_SMTP class.
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category Mail
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* @package Mail_smtpmx
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* @author gERD Schaufelberger <gerd@php-tools.net>
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* @copyright 1997-2005 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id: smtpmx.php,v 1.2 2007/10/06 17:00:00 chagenbu Exp $
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* @see Mail
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*/
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require_once 'Net/SMTP.php';
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/**
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* SMTP MX implementation of the PEAR Mail interface. Requires the Net_SMTP class.
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*
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*
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* @access public
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* @author gERD Schaufelberger <gerd@php-tools.net>
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* @package Mail
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* @version $Revision: 1.2 $
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*/
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class Mail_smtpmx extends Mail {
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/**
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* SMTP connection object.
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*
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* @var object
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* @access private
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*/
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var $_smtp = null;
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/**
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* The port the SMTP server is on.
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* @var integer
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* @see getservicebyname()
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*/
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var $port = 25;
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/**
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* Hostname or domain that will be sent to the remote SMTP server in the
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* HELO / EHLO message.
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*
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* @var string
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* @see posix_uname()
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*/
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var $mailname = 'localhost';
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/**
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* SMTP connection timeout value. NULL indicates no timeout.
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*
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* @var integer
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*/
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var $timeout = 10;
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/**
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* use either PEAR:Net_DNS or getmxrr
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*
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* @var boolean
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*/
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var $withNetDns = true;
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/**
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* PEAR:Net_DNS_Resolver
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*
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* @var object
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*/
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var $resolver;
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/**
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* Whether to use VERP or not. If not a boolean, the string value
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* will be used as the VERP separators.
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*
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* @var mixed boolean or string
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*/
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var $verp = false;
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/**
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* Whether to use VRFY or not.
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*
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* @var boolean $vrfy
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*/
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var $vrfy = false;
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/**
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* Switch to test mode - don't send emails for real
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*
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* @var boolean $debug
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*/
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var $test = false;
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/**
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* Turn on Net_SMTP debugging?
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*
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* @var boolean $peardebug
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*/
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var $debug = false;
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/**
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* internal error codes
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*
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* translate internal error identifier to PEAR-Error codes and human
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* readable messages.
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*
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* @var boolean $debug
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* @todo as I need unique error-codes to identify what exactly went wrond
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* I did not use intergers as it should be. Instead I added a "namespace"
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* for each code. This avoids conflicts with error codes from different
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* classes. How can I use unique error codes and stay conform with PEAR?
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*/
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var $errorCode = array(
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'not_connected' => array(
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'code' => 1,
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'msg' => 'Could not connect to any mail server ({HOST}) at port {PORT} to send mail to {RCPT}.'
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),
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'failed_vrfy_rcpt' => array(
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'code' => 2,
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'msg' => 'Recipient "{RCPT}" could not be veryfied.'
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),
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'failed_set_from' => array(
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'code' => 3,
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'msg' => 'Failed to set sender: {FROM}.'
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),
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'failed_set_rcpt' => array(
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'code' => 4,
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'msg' => 'Failed to set recipient: {RCPT}.'
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),
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'failed_send_data' => array(
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'code' => 5,
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'msg' => 'Failed to send mail to: {RCPT}.'
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),
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'no_from' => array(
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'code' => 5,
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'msg' => 'No from address has be provided.'
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),
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'send_data' => array(
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'code' => 7,
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'msg' => 'Failed to create Net_SMTP object.'
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),
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'no_mx' => array(
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'code' => 8,
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'msg' => 'No MX-record for {RCPT} found.'
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),
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'no_resolver' => array(
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'code' => 9,
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'msg' => 'Could not start resolver! Install PEAR:Net_DNS or switch off "netdns"'
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),
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'failed_rset' => array(
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'code' => 10,
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'msg' => 'RSET command failed, SMTP-connection corrupt.'
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),
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);
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/**
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* Constructor.
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*
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* Instantiates a new Mail_smtp:: object based on the parameters
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* passed in. It looks for the following parameters:
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* mailname The name of the local mail system (a valid hostname which matches the reverse lookup)
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* port smtp-port - the default comes from getservicebyname() and should work fine
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* timeout The SMTP connection timeout. Defaults to 30 seconds.
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* vrfy Whether to use VRFY or not. Defaults to false.
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* verp Whether to use VERP or not. Defaults to false.
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* test Activate test mode? Defaults to false.
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* debug Activate SMTP and Net_DNS debug mode? Defaults to false.
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* netdns whether to use PEAR:Net_DNS or the PHP build in function getmxrr, default is true
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*
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* If a parameter is present in the $params array, it replaces the
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* default.
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*
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* @access public
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* @param array Hash containing any parameters different from the
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* defaults.
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* @see _Mail_smtpmx()
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*/
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function __construct($params)
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{
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if (isset($params['mailname'])) {
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$this->mailname = $params['mailname'];
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} else {
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// try to find a valid mailname
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if (function_exists('posix_uname')) {
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$uname = posix_uname();
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$this->mailname = $uname['nodename'];
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}
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}
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// port number
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if (isset($params['port'])) {
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$this->_port = $params['port'];
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} else {
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$this->_port = getservbyname('smtp', 'tcp');
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}
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if (isset($params['timeout'])) $this->timeout = $params['timeout'];
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if (isset($params['verp'])) $this->verp = $params['verp'];
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if (isset($params['test'])) $this->test = $params['test'];
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if (isset($params['peardebug'])) $this->test = $params['peardebug'];
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if (isset($params['netdns'])) $this->withNetDns = $params['netdns'];
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}
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/**
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* Constructor wrapper for PHP4
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*
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* @access public
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* @param array Hash containing any parameters different from the defaults
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* @see __construct()
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*/
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function Mail_smtpmx($params)
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{
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$this->__construct($params);
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register_shutdown_function(array(&$this, '__destruct'));
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}
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/**
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* Destructor implementation to ensure that we disconnect from any
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* potentially-alive persistent SMTP connections.
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*/
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function __destruct()
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{
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if (is_object($this->_smtp)) {
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$this->_smtp->disconnect();
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$this->_smtp = null;
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}
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}
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/**
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* Implements Mail::send() function using SMTP direct delivery
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*
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* @access public
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* @param mixed $recipients in RFC822 style or array
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* @param array $headers The array of headers to send with the mail.
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* @param string $body The full text of the message body,
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* @return mixed Returns true on success, or a PEAR_Error
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*/
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function send($recipients, $headers, $body)
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{
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if (!is_array($headers)) {
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return PEAR::raiseError('$headers must be an array');
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}
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$result = $this->_sanitizeHeaders($headers);
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if (is_a($result, 'PEAR_Error')) {
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return $result;
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}
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// Prepare headers
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$headerElements = $this->prepareHeaders($headers);
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if (is_a($headerElements, 'PEAR_Error')) {
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return $headerElements;
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}
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list($from, $textHeaders) = $headerElements;
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// use 'Return-Path' if possible
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if (!empty($headers['Return-Path'])) {
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$from = $headers['Return-Path'];
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}
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if (!isset($from)) {
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return $this->_raiseError('no_from');
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}
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// Prepare recipients
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$recipients = $this->parseRecipients($recipients);
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if (is_a($recipients, 'PEAR_Error')) {
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return $recipients;
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}
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foreach ($recipients as $rcpt) {
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list($user, $host) = explode('@', $rcpt);
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$mx = $this->_getMx($host);
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if (is_a($mx, 'PEAR_Error')) {
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return $mx;
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}
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if (empty($mx)) {
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$info = array('rcpt' => $rcpt);
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return $this->_raiseError('no_mx', $info);
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}
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$connected = false;
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foreach ($mx as $mserver => $mpriority) {
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$this->_smtp = new Net_SMTP($mserver, $this->port, $this->mailname);
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// configure the SMTP connection.
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if ($this->debug) {
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$this->_smtp->setDebug(true);
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}
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// attempt to connect to the configured SMTP server.
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$res = $this->_smtp->connect($this->timeout);
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if (is_a($res, 'PEAR_Error')) {
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$this->_smtp = null;
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continue;
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}
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// connection established
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if ($res) {
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$connected = true;
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break;
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}
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}
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if (!$connected) {
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$info = array(
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'host' => implode(', ', array_keys($mx)),
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'port' => $this->port,
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'rcpt' => $rcpt,
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);
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return $this->_raiseError('not_connected', $info);
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}
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// Verify recipient
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if ($this->vrfy) {
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$res = $this->_smtp->vrfy($rcpt);
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if (is_a($res, 'PEAR_Error')) {
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$info = array('rcpt' => $rcpt);
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return $this->_raiseError('failed_vrfy_rcpt', $info);
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}
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}
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// mail from:
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$args['verp'] = $this->verp;
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$res = $this->_smtp->mailFrom($from, $args);
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if (is_a($res, 'PEAR_Error')) {
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$info = array('from' => $from);
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return $this->_raiseError('failed_set_from', $info);
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}
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// rcpt to:
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$res = $this->_smtp->rcptTo($rcpt);
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if (is_a($res, 'PEAR_Error')) {
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$info = array('rcpt' => $rcpt);
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return $this->_raiseError('failed_set_rcpt', $info);
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}
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// Don't send anything in test mode
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if ($this->test) {
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$result = $this->_smtp->rset();
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$res = $this->_smtp->rset();
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if (is_a($res, 'PEAR_Error')) {
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return $this->_raiseError('failed_rset');
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}
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$this->_smtp->disconnect();
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$this->_smtp = null;
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return true;
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}
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// Send data
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$res = $this->_smtp->data("$textHeaders\r\n$body");
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if (is_a($res, 'PEAR_Error')) {
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$info = array('rcpt' => $rcpt);
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return $this->_raiseError('failed_send_data', $info);
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}
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$this->_smtp->disconnect();
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$this->_smtp = null;
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}
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return true;
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}
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/**
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* Recieve mx rexords for a spciefied host
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*
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* The MX records
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*
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* @access private
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* @param string $host mail host
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* @return mixed sorted
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*/
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function _getMx($host)
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{
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$mx = array();
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if ($this->withNetDns) {
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$res = $this->_loadNetDns();
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if (is_a($res, 'PEAR_Error')) {
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return $res;
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}
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$response = $this->resolver->query($host, 'MX');
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if (!$response) {
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return false;
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}
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foreach ($response->answer as $rr) {
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if ($rr->type == 'MX') {
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$mx[$rr->exchange] = $rr->preference;
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}
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}
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} else {
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$mxHost = array();
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$mxWeight = array();
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if (!getmxrr($host, $mxHost, $mxWeight)) {
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return false;
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}
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for ($i = 0; $i < count($mxHost); ++$i) {
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$mx[$mxHost[$i]] = $mxWeight[$i];
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}
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}
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asort($mx);
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return $mx;
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}
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/**
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* initialize PEAR:Net_DNS_Resolver
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*
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* @access private
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* @return boolean true on success
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*/
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function _loadNetDns()
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{
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if (is_object($this->resolver)) {
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return true;
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}
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if (!include_once 'Net/DNS.php') {
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return $this->_raiseError('no_resolver');
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}
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$this->resolver = new Net_DNS_Resolver();
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if ($this->debug) {
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$this->resolver->test = 1;
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}
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return true;
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}
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/**
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* raise standardized error
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*
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* include additional information in error message
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*
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* @access private
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* @param string $id maps error ids to codes and message
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* @param array $info optional information in associative array
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* @see _errorCode
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*/
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function _raiseError($id, $info = array())
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{
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$code = $this->errorCode[$id]['code'];
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$msg = $this->errorCode[$id]['msg'];
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// include info to messages
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if (!empty($info)) {
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$search = array();
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$replace = array();
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foreach ($info as $key => $value) {
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array_push($search, '{' . strtoupper($key) . '}');
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array_push($replace, $value);
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}
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$msg = str_replace($search, $replace, $msg);
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}
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return PEAR::raiseError($msg, $code);
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}
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}
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