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AGIAsteriskManager.php
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<?php
namespace mdc\phpagi;
/**
* phpagi-asmanager.php : PHP Asterisk Manager functions
*
* @see https://github.com/welltime/phpagi
* @filesource http://phpagi.sourceforge.net/
*
* $Id: phpagi-asmanager.php,v 1.10 2005/05/25 18:43:48 pinhole Exp $
*
* Copyright (c) 2004 - 2010 Matthew Asham <[email protected]>, David Eder <[email protected]> and others
* All Rights Reserved.
*
* This software is released under the terms of the GNU Lesser General Public License v2.1
* A copy of which is available from http://www.gnu.org/copyleft/lesser.html
*
* We would be happy to list your phpagi based application on the phpagi
* website. Drop me an Email if you'd like us to list your program.
*
* @package phpAGI
* @version 2.0
*/
/**
* Asterisk Manager class
*
* @link http://www.voip-info.org/wiki-Asterisk+config+manager.conf
* @link http://www.voip-info.org/wiki-Asterisk+manager+API
* @example examples/sip_show_peer.php Get information about a sip peer
* @package phpAGI
*/
class AGIAsteriskManager
{
/**
* Config variables
*
* @var array
* @access public
*/
public $config;
/**
* Socket
*
* @access public
*/
public $socket = NULL;
/**
* Server we are connected to
*
* @access public
* @var string
*/
public $server;
/**
* Port on the server we are connected to
*
* @access public
* @var integer
*/
public $port;
/**
* Parent AGI
*
* @access public
* @var AGI
*/
public $pagi;
/**
*
* @var string
*/
public $logLevel = 1;
/**
* Event Handlers
*
* @access private
* @var array
*/
private $event_handlers;
/**
*
* @var string
*/
private $_buffer = NULL;
/**
* Whether we're successfully logged in
*
* @access private
* @var boolean
*/
private $_logged_in = FALSE;
/**
* Constructor
*
* @param string $config
* is the name of the config file to parse or a parent agi from which to read the config
* @param array $optconfig
* is an array of configuration vars and vals, stuffed into $this->config['asmanager']
*/
public function __construct($config = NULL, $optconfig = array())
{
// load config
if (! is_null($config) && file_exists($config))
$this->config = parse_ini_file($config, true);
elseif (file_exists(AGI::DEFAULT_PHPAGI_CONFIG))
$this->config = parse_ini_file(AGI::DEFAULT_PHPAGI_CONFIG, true);
// If optconfig is specified, stuff vals and vars into 'asmanager' config array.
foreach ($optconfig as $var => $val)
$this->config['asmanager'][$var] = $val;
// add default values to config for uninitialized values
if (! isset($this->config['asmanager']['server']))
$this->config['asmanager']['server'] = 'localhost';
if (! isset($this->config['asmanager']['port']))
$this->config['asmanager']['port'] = 5038;
if (! isset($this->config['asmanager']['username']))
$this->config['asmanager']['username'] = 'phpagi';
if (! isset($this->config['asmanager']['secret']))
$this->config['asmanager']['secret'] = 'phpagi';
if (! isset($this->config['asmanager']['write_log']))
$this->config['asmanager']['write_log'] = false;
}
/**
* Send a request
*
* @param string $action
* @param array $parameters
* @return array of parameters
*/
public function send_request($action, $parameters = array())
{
$req = "Action: $action\r\n";
$actionid = null;
foreach ($parameters as $var => $val) {
if (is_array($val)) {
foreach ($val as $line) {
$req .= "$var: $line\r\n";
}
} else {
$req .= "$var: $val\r\n";
if (strtolower($var) == "actionid") {
$actionid = $val;
}
}
}
if (! $actionid) {
$actionid = $this->ActionID();
$req .= "ActionID: $actionid\r\n";
}
$req .= "\r\n";
fwrite($this->socket, $req);
return $this->wait_response(false, $actionid);
}
/**
*
* @param boolean $allow_timeout
* @throws \Exception
* @return array
*/
public function read_one_msg($allow_timeout = false)
{
$type = null;
if (! is_resource($this->socket)) {
throw new \Exception("Error reading from AMI socket");
}
do {
$buf = fgets($this->socket, 4096);
if (false === $buf) {
throw new \Exception("Error reading from AMI socket");
}
$this->_buffer .= $buf;
$pos = strpos($this->_buffer, "\r\n\r\n");
if (false !== $pos) {
// there's a full message in the buffer
break;
}
} while (! feof($this->socket));
$msg = substr($this->_buffer, 0, $pos);
$this->_buffer = substr($this->_buffer, $pos + 4);
$msgarr = explode("\r\n", $msg);
$parameters = array();
$r = explode(': ', $msgarr[0]);
$type = strtolower($r[0]);
if ($r[1] == 'Follows') {
$str = array_pop($msgarr);
$lastline = strpos($str, '--END COMMAND--');
if (false !== $lastline) {
$parameters['data'] = substr($str, 0, $lastline - 1); // cut '\n' too
}
}
foreach ($msgarr as $str) {
$kv = explode(':', $str, 2);
if (! isset($kv[1])) {
$kv[1] = "";
}
$key = trim($kv[0]);
$val = trim($kv[1]);
$parameters[$key] = $val;
}
// process response
switch ($type) {
case '': // timeout occured
$timeout = $allow_timeout;
break;
case 'event':
$this->process_event($parameters);
break;
case 'response':
break;
default:
$this->log(
'Unhandled response packet from Manager: ' . print_r($parameters, true));
break;
}
return $parameters;
}
/**
* Wait for a response
*
* If a request was just sent, this will return the response.
* Otherwise, it will loop forever, handling events.
*
* XXX this code is slightly better then the original one
* however it's still totally screwed up and needs to be rewritten,
* for two reasons at least:
* 1. it does not handle socket errors in any way
* 2. it is terribly synchronous, esp. with eventlists,
* i.e. your code is blocked on waiting until full responce is received
*
* @param boolean $allow_timeout
* if the socket times out, return an empty array
* @return array of parameters, empty on timeout
*/
public function wait_response($allow_timeout = false, $actionid = null)
{
$res = array();
if ($actionid) {
do {
$res = $this->read_one_msg($allow_timeout);
} while (! (isset($res['ActionID']) && $res['ActionID'] == $actionid));
} else {
$res = $this->read_one_msg($allow_timeout);
return $res;
}
if (isset($res['EventList']) && $res['EventList'] == 'start') {
$evlist = array();
do {
$res = $this->wait_response(false, $actionid);
if (isset($res['EventList']) && $res['EventList'] == 'Complete')
break;
else
$evlist[] = $res;
} while (true);
$res['events'] = $evlist;
}
return $res;
}
/**
* Connect to Asterisk
*
* @example examples/sip_show_peer.php Get information about a sip peer
*
* @param string $server
* @param string $username
* @param string $secret
* @return boolean true on success
*/
public function connect($server = NULL, $username = NULL, $secret = NULL)
{
// use config if not specified
if (is_null($server))
$server = $this->config['asmanager']['server'];
if (is_null($username))
$username = $this->config['asmanager']['username'];
if (is_null($secret))
$secret = $this->config['asmanager']['secret'];
// get port from server if specified
if (strpos($server, ':') !== false) {
$c = explode(':', $server);
$this->server = $c[0];
$this->port = $c[1];
} else {
$this->server = $server;
$this->port = $this->config['asmanager']['port'];
}
// connect the socket
$errno = $errstr = NULL;
$this->socket = @fsockopen($this->server, $this->port, $errno, $errstr);
if ($this->socket == false) {
$this->log(
"Unable to connect to manager {$this->server}:{$this->port} ($errno): $errstr");
return false;
}
// read the header
$str = fgets($this->socket);
if ($str == false) {
// a problem.
$this->log("Asterisk Manager header not received.");
return false;
} else {
// note: don't $this->log($str) until someone looks to see why it mangles the logging
}
// login
$res = $this->send_request('login',
array(
'Username' => $username,
'Secret' => $secret
));
if ($res['Response'] != 'Success') {
$this->_logged_in = FALSE;
$this->log("Failed to login.");
$this->disconnect();
return false;
}
$this->_logged_in = TRUE;
return true;
}
/**
* Disconnect
*
* @example examples/sip_show_peer.php Get information about a sip peer
*/
public function disconnect()
{
if ($this->_logged_in == TRUE)
$this->logoff();
fclose($this->socket);
}
// *********************************************************************************************************
// ** COMMANDS **
// *********************************************************************************************************
/**
* Set Absolute Timeout
*
* Hangup a channel after a certain time.
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+AbsoluteTimeout
* @param string $channel
* Channel name to hangup
* @param integer $timeout
* Maximum duration of the call (sec)
*/
public function AbsoluteTimeout($channel, $timeout)
{
return $this->send_request('AbsoluteTimeout',
array(
'Channel' => $channel,
'Timeout' => $timeout
));
}
/**
* Change monitoring filename of a channel
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ChangeMonitor
* @param string $channel
* the channel to record.
* @param string $file
* the new name of the file created in the monitor spool directory.
*/
public function ChangeMonitor($channel, $file)
{
return $this->send_request('ChangeMontior',
array(
'Channel' => $channel,
'File' => $file
));
}
/**
* Execute Command
*
* @example examples/sip_show_peer.php Get information about a sip peer
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Command
* @link http://www.voip-info.org/wiki-Asterisk+CLI
* @param string $command
* @param string $actionid
* message matching variable
*/
public function Command($command, $actionid = NULL)
{
$parameters = array(
'Command' => $command
);
if ($actionid)
$parameters['ActionID'] = $actionid;
return $this->send_request('Command', $parameters);
}
/**
* Enable/Disable sending of events to this manager
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Events
* @param string $eventmask
* is either 'on', 'off', or 'system,call,log'
*/
public function Events($eventmask)
{
return $this->send_request('Events', array(
'EventMask' => $eventmask
));
}
/**
* Generate random ActionID
*/
public function ActionID()
{
return "A" . sprintf(rand(), "%6d");
}
/**
*
* DBGet
* http://www.voip-info.org/wiki/index.php?page=Asterisk+Manager+API+Action+DBGet
*
* @param string $family
* key family
* @param string $key
* key name
*/
public function DBGet($family, $key, $actionid = NULL)
{
$parameters = array(
'Family' => $family,
'Key' => $key
);
if ($actionid == NULL)
$actionid = $this->ActionID();
$parameters['ActionID'] = $actionid;
$response = $this->send_request("DBGet", $parameters);
if ($response['Response'] == "Success") {
$response = $this->wait_response(false, $actionid);
return $response['Val'];
}
return "";
}
/**
* Check Extension Status
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ExtensionState
* @param string $exten
* Extension to check state on
* @param string $context
* Context for extension
* @param string $actionid
* message matching variable
*/
public function ExtensionState($exten, $context, $actionid = NULL)
{
$parameters = array(
'Exten' => $exten,
'Context' => $context
);
if ($actionid)
$parameters['ActionID'] = $actionid;
return $this->send_request('ExtensionState', $parameters);
}
/**
* Gets a Channel Variable
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+GetVar
* @link http://www.voip-info.org/wiki-Asterisk+variables
* @param string $channel
* Channel to read variable from
* @param string $variable
* @param string $actionid
* message matching variable
*/
public function GetVar($channel, $variable, $actionid = NULL)
{
$parameters = array(
'Channel' => $channel,
'Variable' => $variable
);
if ($actionid)
$parameters['ActionID'] = $actionid;
return $this->send_request('GetVar', $parameters);
}
/**
* Hangup Channel
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Hangup
* @param string $channel
* The channel name to be hungup
*/
public function Hangup($channel)
{
return $this->send_request('Hangup', array(
'Channel' => $channel
));
}
/**
* List IAX Peers
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+IAXpeers
*/
public function IAXPeers()
{
return $this->send_request('IAXPeers');
}
/**
* List available manager commands
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ListCommands
* @param string $actionid
* message matching variable
*/
public function ListCommands($actionid = NULL)
{
if ($actionid)
return $this->send_request('ListCommands', array(
'ActionID' => $actionid
));
else
return $this->send_request('ListCommands');
}
/**
* Logoff Manager
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Logoff
*/
public function Logoff()
{
return $this->send_request('Logoff');
}
/**
* Check Mailbox Message Count
*
* Returns number of new and old messages.
* Message: Mailbox Message Count
* Mailbox: <mailboxid>
* NewMessages: <count>
* OldMessages: <count>
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+MailboxCount
* @param string $mailbox
* Full mailbox ID <mailbox>@<vm-context>
* @param string $actionid
* message matching variable
*/
public function MailboxCount($mailbox, $actionid = NULL)
{
$parameters = array(
'Mailbox' => $mailbox
);
if ($actionid)
$parameters['ActionID'] = $actionid;
return $this->send_request('MailboxCount', $parameters);
}
/**
* Check Mailbox
*
* Returns number of messages.
* Message: Mailbox Status
* Mailbox: <mailboxid>
* Waiting: <count>
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+MailboxStatus
* @param string $mailbox
* Full mailbox ID <mailbox>@<vm-context>
* @param string $actionid
* message matching variable
*/
public function MailboxStatus($mailbox, $actionid = NULL)
{
$parameters = array(
'Mailbox' => $mailbox
);
if ($actionid)
$parameters['ActionID'] = $actionid;
return $this->send_request('MailboxStatus', $parameters);
}
/**
* Monitor a channel
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Monitor
* @param string $channel
* @param string $file
* @param string $format
* @param boolean $mix
*/
public function Monitor($channel, $file = NULL, $format = NULL, $mix = NULL)
{
$parameters = array(
'Channel' => $channel
);
if ($file)
$parameters['File'] = $file;
if ($format)
$parameters['Format'] = $format;
if (! is_null($file))
$parameters['Mix'] = ($mix) ? 'true' : 'false';
return $this->send_request('Monitor', $parameters);
}
/**
* Originate Call
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Originate
* @param string $channel
* Channel name to call
* @param string $exten
* Extension to use (requires 'Context' and 'Priority')
* @param string $context
* Context to use (requires 'Exten' and 'Priority')
* @param string $priority
* Priority to use (requires 'Exten' and 'Context')
* @param string $application
* Application to use
* @param string $data
* Data to use (requires 'Application')
* @param integer $timeout
* How long to wait for call to be answered (in ms)
* @param string $callerid
* Caller ID to be set on the outgoing channel
* @param string $variable
* Channel variable to set (VAR1=value1|VAR2=value2)
* @param string $account
* Account code
* @param boolean $async
* true fast origination
* @param string $actionid
* message matching variable
*/
public function Originate($channel, $exten = NULL, $context = NULL, $priority = NULL,
$application = NULL, $data = NULL, $timeout = NULL, $callerid = NULL,
$variable = NULL, $account = NULL, $async = NULL, $actionid = NULL)
{
$parameters = array(
'Channel' => $channel
);
if ($exten)
$parameters['Exten'] = $exten;
if ($context)
$parameters['Context'] = $context;
if ($priority)
$parameters['Priority'] = $priority;
if ($application)
$parameters['Application'] = $application;
if ($data)
$parameters['Data'] = $data;
if ($timeout)
$parameters['Timeout'] = $timeout;
if ($callerid)
$parameters['CallerID'] = $callerid;
if ($variable)
$parameters['Variable'] = $variable;
if ($account)
$parameters['Account'] = $account;
if (! is_null($async))
$parameters['Async'] = ($async) ? 'true' : 'false';
if ($actionid)
$parameters['ActionID'] = $actionid;
return $this->send_request('Originate', $parameters);
}
/**
* List parked calls
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ParkedCalls
* @param string $actionid
* message matching variable
*/
public function ParkedCalls($actionid = NULL)
{
if ($actionid)
return $this->send_request('ParkedCalls', array(
'ActionID' => $actionid
));
else
return $this->send_request('ParkedCalls');
}
/**
* Ping
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Ping
*/
public function Ping()
{
return $this->send_request('Ping');
}
/**
* Queue Add
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+QueueAdd
* @param string $queue
* @param string $interface
* @param integer $penalty
* @param string $memberName
*/
public function QueueAdd($queue, $interface, $penalty = 0, $memberName = false)
{
$parameters = array(
'Queue' => $queue,
'Interface' => $interface
);
if ($penalty)
$parameters['Penalty'] = $penalty;
if ($memberName)
$parameters["MemberName"] = $memberName;
return $this->send_request('QueueAdd', $parameters);
}
/**
* Queue Remove
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+QueueRemove
* @param string $queue
* @param string $interface
*/
public function QueueRemove($queue, $interface)
{
return $this->send_request('QueueRemove',
array(
'Queue' => $queue,
'Interface' => $interface
));
}
/**
* Queues
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Queues
*/
public function Queues()
{
return $this->send_request('Queues');
}
/**
* Queue Status
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+QueueStatus
* @param string $actionid
* message matching variable
*/
public function QueueStatus($actionid = NULL)
{
if ($actionid)
return $this->send_request('QueueStatus', array(
'ActionID' => $actionid
));
else
return $this->send_request('QueueStatus');
}
/**
* Redirect
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Redirect
* @param string $channel
* @param string $extrachannel
* @param string $exten
* @param string $context
* @param string $priority
*/
public function Redirect($channel, $extrachannel, $exten, $context, $priority)
{
return $this->send_request('Redirect',
array(
'Channel' => $channel,
'ExtraChannel' => $extrachannel,
'Exten' => $exten,
'Context' => $context,
'Priority' => $priority
));
}
/**
* Set the CDR UserField
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+SetCDRUserField
* @param string $userfield
* @param string $channel
* @param string $append
*/
public function SetCDRUserField($userfield, $channel, $append = NULL)
{
$parameters = array(
'UserField' => $userfield,
'Channel' => $channel
);
if ($append)
$parameters['Append'] = $append;
return $this->send_request('SetCDRUserField', $parameters);
}
/**
* Set Channel Variable
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+SetVar
* @param string $channel
* Channel to set variable for
* @param string $variable
* name
* @param string $value
*/
public function SetVar($channel, $variable, $value)
{
return $this->send_request('SetVar',
array(
'Channel' => $channel,
'Variable' => $variable,
'Value' => $value
));
}
/**
* Channel Status
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Status
* @param string $channel
* @param string $actionid
* message matching variable
*/
public function Status($channel, $actionid = NULL)
{
$parameters = array(
'Channel' => $channel
);
if ($actionid)
$parameters['ActionID'] = $actionid;
return $this->send_request('Status', $parameters);
}
/**
* Stop monitoring a channel
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+StopMonitor
* @param string $channel
*/
public function StopMonitor($channel)
{
return $this->send_request('StopMonitor', array(
'Channel' => $channel
));
}
/**
* Dial over Zap channel while offhook
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapDialOffhook
* @param string $zapchannel
* @param string $number
*/
public function ZapDialOffhook($zapchannel, $number)
{
return $this->send_request('ZapDialOffhook',
array(
'ZapChannel' => $zapchannel,
'Number' => $number
));
}
/**
* Toggle Zap channel Do Not Disturb status OFF
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapDNDoff
* @param string $zapchannel
*/
public function ZapDNDoff($zapchannel)
{
return $this->send_request('ZapDNDoff', array(
'ZapChannel' => $zapchannel
));
}
/**
* Toggle Zap channel Do Not Disturb status ON
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapDNDon
* @param string $zapchannel
*/
public function ZapDNDon($zapchannel)
{
return $this->send_request('ZapDNDon', array(
'ZapChannel' => $zapchannel
));
}
/**
* Hangup Zap Channel
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapHangup
* @param string $zapchannel
*/
public function ZapHangup($zapchannel)
{
return $this->send_request('ZapHangup', array(
'ZapChannel' => $zapchannel
));
}
/**
* Transfer Zap Channel
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapTransfer
* @param string $zapchannel
*/
public function ZapTransfer($zapchannel)
{
return $this->send_request('ZapTransfer', array(
'ZapChannel' => $zapchannel
));
}
/**
* Zap Show Channels
*
* @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapShowChannels
* @param string $actionid
* message matching variable
*/
public function ZapShowChannels($actionid = NULL)
{
if ($actionid)
return $this->send_request('ZapShowChannels', array(
'ActionID' => $actionid
));
else
return $this->send_request('ZapShowChannels');
}
// *********************************************************************************************************
// ** MISC **
// *********************************************************************************************************
/*
* Log a message
*
* @param string $message
* @param integer $level from 1 to 4
*/
public function log($message, $level = 1)
{
if ($this->pagi != false) {
$this->pagi->conlog($message, $level);
} elseif ($this->config['asmanager']['write_log']) {
if ($level >= $this->logLevel) {
error_log(date('r') . ' - ' . $message);
}
}
}
/**
* Add event handler