<?php
declare(strict_types=1);
/**
* $Header$
* $Horde: horde/lib/Log/mcal.php,v 1.2 2000/06/28 21:36:13 jon Exp $
*
* @version $Revision$
* @package Log
*/
/**
* The Log_mcal class is a concrete implementation of the Log::
* abstract class which sends messages to a local or remote calendar
* store accessed through MCAL.
*
* @author Chuck Hagenbuch <chuck@horde.org>
* @since Horde 1.3
* @since Log 1.0
* @package Log
*/
class Log_mcal extends Log
{
/**
* holding the calendar specification to connect to.
*/
private string $calendar = '{localhost/mstore}';
/**
* holding the username to use.
*/
private string $username = '';
/**
* holding the password to use.
*/
private string $password = '';
/**
* holding the options to pass to the calendar stream.
*/
private int $options = 0;
/**
* ResourceID of the MCAL stream.
*/
private string $stream = '';
/**
* Integer holding the log facility to use.
*/
private string $name;
/**
* Constructs a new Log_mcal object.
*
* @param string $name The category to use for our events.
* @param string $ident The identity string.
* @param array $conf The configuration array.
* @param int $level Log messages up to and including this level.
*/
public function __construct(
string $name,
string $ident = '',
array $conf = [],
int $level = PEAR_LOG_DEBUG
) {
$this->id = md5(microtime().random_int(0, mt_getrandmax()));
$this->name = $name;
$this->ident = $ident;
$this->mask = Log::MAX($level);
$this->calendar = $conf['calendar'];
$this->username = $conf['username'];
$this->password = $conf['password'];
$this->options = $conf['options'];
}
/**
* Opens a calendar stream, if it has not already been
* opened. This is implicitly called by log(), if necessary.
*/
public function open(): bool
{
if (!$this->opened) {
$this->stream = mcal_open($this->calendar, $this->username,
$this->password, $this->options);
$this->opened = true;
}
return $this->opened;
}
/**
* Closes the calendar stream, if it is open.
*/
public function close(): bool
{
if ($this->opened) {
mcal_close($this->stream);
$this->opened = false;
}
return ($this->opened === false);
}
/**
* Logs $message and associated information to the currently open
* calendar stream. Calls open() if necessary. Also passes the
* message along to any Log_observer instances that are observing
* this Log.
*
* @param mixed $message String or object containing the message to log.
* @param int|null $priority The priority of the message. Valid
* values are: PEAR_LOG_EMERG, PEAR_LOG_ALERT,
* PEAR_LOG_CRIT, PEAR_LOG_ERR, PEAR_LOG_WARNING,
* PEAR_LOG_NOTICE, PEAR_LOG_INFO, and PEAR_LOG_DEBUG.
* @return boolean True on success or false on failure.
*/
public function log($message, int $priority = null): bool
{
/* If a priority hasn't been specified, use the default value. */
if ($priority === null) {
$priority = $this->priority;
}
/* Abort early if the priority is above the maximum logging level. */
if (!$this->isMasked($priority)) {
return false;
}
/* If the connection isn't open and can't be opened, return failure. */
if (!$this->opened && !$this->open()) {
return false;
}
/* Extract the string representation of the message. */
$message = $this->extractMessage($message);
$date_str = date('Y:n:j:G:i:s');
$dates = explode(':', $date_str);
mcal_event_init($this->stream);
mcal_event_set_title($this->stream, $this->ident);
mcal_event_set_category($this->stream, $this->name);
mcal_event_set_description($this->stream, $message);
mcal_event_add_attribute($this->stream, 'priority', $priority);
mcal_event_set_start($this->stream, $dates[0], $dates[1], $dates[2],
$dates[3], $dates[4], $dates[5]);
mcal_event_set_end($this->stream, $dates[0], $dates[1], $dates[2],
$dates[3], $dates[4], $dates[5]);
mcal_append_event($this->stream);
$this->announce(['priority' => $priority, 'message' => $message]);
return true;
}
}