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| Current File : //opt/cpanel/ea-php54/root/usr/share/pear/Log/mail.php |
<?php
/**
* $Header$
*
* @version $Revision$
* @package Log
*/
/**
* The Log_mail class is a concrete implementation of the Log:: abstract class
* which sends log messages to a mailbox.
* The mail is actually sent when you close() the logger, or when the destructor
* is called (when the script is terminated).
*
* PLEASE NOTE that you must create a Log_mail object using =&, like this :
* $logger =& Log::factory("mail", "recipient@example.com", ...)
*
* This is a PEAR requirement for destructors to work properly.
* See http://pear.php.net/manual/en/class.pear.php
*
* @author Ronnie Garcia <ronnie@mk2.net>
* @author Jon Parise <jon@php.net>
* @since Log 1.3
* @package Log
*
* @example mail.php Using the mail handler.
*/
class Log_mail extends Log
{
/**
* String holding the recipients' email addresses. Multiple addresses
* should be separated with commas.
* @var string
* @access private
*/
var $_recipients = '';
/**
* String holding the sender's email address.
* @var string
* @access private
*/
var $_from = '';
/**
* String holding the email's subject.
* @var string
* @access private
*/
var $_subject = '[Log_mail] Log message';
/**
* String holding an optional preamble for the log messages.
* @var string
* @access private
*/
var $_preamble = '';
/**
* String containing the format of a log line.
* @var string
* @access private
*/
var $_lineFormat = '%1$s %2$s [%3$s] %4$s';
/**
* String containing the timestamp format. It will be passed directly to
* strftime(). Note that the timestamp string will generated using the
* current locale.
* @var string
* @access private
*/
var $_timeFormat = '%b %d %H:%M:%S';
/**
* String holding the mail message body.
* @var string
* @access private
*/
var $_message = '';
/**
* Flag used to indicated that log lines have been written to the message
* body and the message should be sent on close().
* @var boolean
* @access private
*/
var $_shouldSend = false;
/**
* String holding the backend name of PEAR::Mail
* @var string
* @access private
*/
var $_mailBackend = '';
/**
* Array holding the params for PEAR::Mail
* @var array
* @access private
*/
var $_mailParams = array();
/**
* Constructs a new Log_mail object.
*
* Here is how you can customize the mail driver with the conf[] hash :
* $conf['from']: the mail's "From" header line,
* $conf['subject']: the mail's "Subject" line.
* $conf['mailBackend']: backend name of PEAR::Mail
* $conf['mailParams']: parameters for the PEAR::Mail backend
*
* @param string $name The message's recipients.
* @param string $ident The identity string.
* @param array $conf The configuration array.
* @param int $level Log messages up to and including this level.
* @access public
*/
public function __construct($name, $ident = '', $conf = array(),
$level = PEAR_LOG_DEBUG)
{
$this->_id = md5(microtime().rand());
$this->_recipients = $name;
$this->_ident = $ident;
$this->_mask = Log::UPTO($level);
if (!empty($conf['from'])) {
$this->_from = $conf['from'];
} else {
$this->_from = ini_get('sendmail_from');
}
if (!empty($conf['subject'])) {
$this->_subject = $conf['subject'];
}
if (!empty($conf['preamble'])) {
$this->_preamble = $conf['preamble'];
}
if (!empty($conf['lineFormat'])) {
$this->_lineFormat = str_replace(array_keys($this->_formatMap),
array_values($this->_formatMap),
$conf['lineFormat']);
}
if (!empty($conf['timeFormat'])) {
$this->_timeFormat = $conf['timeFormat'];
}
if (!empty($conf['mailBackend'])) {
$this->_mailBackend = $conf['mailBackend'];
}
if (!empty($conf['mailParams'])) {
$this->_mailParams = $conf['mailParams'];
}
/* register the destructor */
register_shutdown_function(array(&$this, '_Log_mail'));
}
/**
* Destructor. Calls close().
*
* @access private
*/
function _Log_mail()
{
$this->close();
}
/**
* Starts a new mail message.
* This is implicitly called by log(), if necessary.
*
* @access public
*/
function open()
{
if (!$this->_opened) {
if (!empty($this->_preamble)) {
$this->_message = $this->_preamble . "\r\n\r\n";
}
$this->_opened = true;
$_shouldSend = false;
}
return $this->_opened;
}
/**
* Closes the message, if it is open, and sends the mail.
* This is implicitly called by the destructor, if necessary.
*
* @access public
*/
function close()
{
if ($this->_opened) {
if ($this->_shouldSend && !empty($this->_message)) {
if ($this->_mailBackend === '') { // use mail()
$headers = "From: $this->_from\r\n";
$headers .= 'User-Agent: PEAR Log Package';
if (mail($this->_recipients, $this->_subject,
$this->_message, $headers) == false) {
return false;
}
} else { // use PEAR::Mail
include_once 'Mail.php';
$headers = array('From' => $this->_from,
'To' => $this->_recipients,
'User-Agent' => 'PEAR Log Package',
'Subject' => $this->_subject);
$mailer = &Mail::factory($this->_mailBackend,
$this->_mailParams);
$res = $mailer->send($this->_recipients, $headers,
$this->_message);
if (PEAR::isError($res)) {
return false;
}
}
/* Clear the message string now that the email has been sent. */
$this->_message = '';
$this->_shouldSend = false;
}
$this->_opened = false;
}
return ($this->_opened === false);
}
/**
* Flushes the log output by forcing the email message to be sent now.
* Events that are logged after flush() is called will be appended to a
* new email message.
*
* @access public
* @since Log 1.8.2
*/
function flush()
{
/*
* It's sufficient to simply call close() to flush the output.
* The next call to log() will cause the handler to be reopened.
*/
return $this->close();
}
/**
* Writes $message to the currently open mail message.
* Calls open(), if necessary.
*
* @param mixed $message String or object containing the message to log.
* @param string $priority The priority of the message. Valid
* values are: PEAR_LOG_EMERG, PEAR_LOG_ALERT,
* PEAR_LOG_CRIT, PEAR_LOG_ERR, PEAR_LOG_WARNING,
* PEAR_LOG_NOTICE, PEAR_LOG_INFO, and PEAR_LOG_DEBUG.
* @return boolean True on success or false on failure.
* @access public
*/
function log($message, $priority = null)
{
/* If a priority hasn't been specified, use the default value. */
if ($priority === null) {
$priority = $this->_priority;
}
/* Abort early if the priority is above the maximum logging level. */
if (!$this->_isMasked($priority)) {
return false;
}
/* If the message isn't open and can't be opened, return failure. */
if (!$this->_opened && !$this->open()) {
return false;
}
/* Extract the string representation of the message. */
$message = $this->_extractMessage($message);
/* Append the string containing the complete log line. */
$this->_message .= $this->_format($this->_lineFormat,
strftime($this->_timeFormat),
$priority, $message) . "\r\n";
$this->_shouldSend = true;
/* Notify observers about this log message. */
$this->_announce(array('priority' => $priority, 'message' => $message));
return true;
}
}
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