Salve, sto facendo una chat usando una classe chiamata Pusher.
il file che adopero si chiama pusher.php ed ecco il codice:
Ora tutta l'applicazione testata in locale funziona e invia i messaggi a tutti, il problema è l'invio da altervista.Codice PHP:<?php
/*
Pusher PHP Library
/////////////////////////////////
This was a very simple PHP library to the Pusher API.
$pusher = new Pusher(APIKEY, SECRET, APP_ID, CHANNEL, [Debug: true/false, HOST, PORT]);
$pusher->trigger('my_event', 'test_channel', [socket_id, Debug: true/false]);
$pusher->socket_auth('socket_id');
Copyright 2011, Squeeks. Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
Contributors:
+ Paul44 (http://github.com/Paul44)
+ Ben Pickles (http://github.com/benpickles)
+ Mastercoding (http://www.mastercoding.nl)
+ Alias14 (mali0037@gmail.com)
+ Max Williams (max@pusher.com)
+ Zack Kitzmiller (delicious@zackisamazing.com)
+ Andrew Bender (igothelp@gmail.com)
*/
class PusherInstance {
private static $instance = null;
private static $app_id = '';
private static $secret = '';
private static $api_key = '';
private function __construct() { }
private function __clone() { }
public static function get_pusher()
{
if (self::$instance !== null) return self::$instance;
self::$instance = new Pusher(
self::$api_key,
self::$secret,
self::$app_id
);
return self::$instance;
}
}
class Pusher
{
private $settings = array ();
/**
* PHP5 Constructor.
*
* Initializes a new Pusher instance with key, secret , app ID and channel.
* You can optionally turn on debugging for all requests by setting debug to true.
*
* @param string $auth_key
* @param string $secret
* @param int $app_id
* @param bool $debug [optional]
* @param string $host [optional]
* @param int $port [optional]
* @param int $timeout [optional]
*/
public function __construct( $auth_key, $secret, $app_id, $debug = false, $host = 'http://api.pusherapp.com', $port = '80', $timeout = 30 )
{
// Check compatibility, disable for speed improvement
$this->check_compatibility();
// Setup defaults
$this->settings['server'] = $host;
$this->settings['port'] = $port;
$this->settings['auth_key'] = $auth_key;
$this->settings['secret'] = $secret;
$this->settings['app_id'] = $app_id;
$this->settings['url'] = '/apps/' . $this->settings['app_id'];
$this->settings['debug'] = $debug;
$this->settings['timeout'] = $timeout;
}
/**
* Check if the current PHP setup is sufficient to run this class
*/
private function check_compatibility()
{
// Check for dependent PHP extensions (JSON, cURL)
if ( ! extension_loaded( 'curl' ) || ! extension_loaded( 'json' ) )
{
die( 'There is missing dependant extensions - please ensure both cURL and JSON modules are installed' );
}
# Supports SHA256?
if ( ! in_array( 'sha256', hash_algos() ) )
{
die( 'SHA256 appears to be unsupported - make sure you have support for it, or upgrade your version of PHP.' );
}
}
/**
* Trigger an event by providing event name and payload.
* Optionally provide a socket ID to exclude a client (most likely the sender).
*
* @param string $event
* @param mixed $payload
* @param int $socket_id [optional]
* @param string $channel [optional]
* @param bool $debug [optional]
* @return bool|string
*/
public function trigger( $channel, $event, $payload, $socket_id = null, $debug = false, $already_encoded = false )
{
# Check if we can initialize a cURL connection
$ch = curl_init();
if ( $ch === false )
{
die( 'Could not initialise cURL!' );
}
# Add channel to URL..
$s_url = $this->settings['url'] . '/channels/' . $channel . '/events';
# Build the request
$signature = "POST\n" . $s_url . "\n";
$payload_encoded = $already_encoded ? $payload : json_encode( $payload );
$query = "auth_key=" . $this->settings['auth_key'] . "&auth_timestamp=" . time() . "&auth_version=1.0&body_md5=" . md5( $payload_encoded ) . "&name=" . $event;
# Socket ID set?
if ( $socket_id !== null )
{
$query .= "&socket_id=" . $socket_id;
}
# Create the signed signature...
$auth_signature = hash_hmac( 'sha256', $signature . $query, $this->settings['secret'], false );
$signed_query = $query . "&auth_signature=" . $auth_signature;
$full_url = $this->settings['server'] . ':' . $this->settings['port'] . $s_url . '?' . $signed_query;
# Set cURL opts and execute request
curl_setopt( $ch, CURLOPT_URL, $full_url );
curl_setopt( $ch, CURLOPT_HTTPHEADER, array ( "Content-Type: application/json" ) );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt( $ch, CURLOPT_POST, 1 );
curl_setopt( $ch, CURLOPT_POSTFIELDS, $payload_encoded );
curl_setopt( $ch, CURLOPT_TIMEOUT, $this->settings['timeout'] );
$response = curl_exec( $ch );
curl_close( $ch );
if ( $response == "202 ACCEPTED\n" && $debug == false )
{
return true;
}
elseif ( $debug == true || $this->settings['debug'] == true )
{
return $response;
}
else
{
return false;
}
}
/**
* Creates a socket signature
*
* @param int $socket_id
* @param string $custom_data
* @return string
*/
public function socket_auth( $channel, $socket_id, $custom_data = false )
{
if($custom_data == true)
{
$signature = hash_hmac( 'sha256', $socket_id . ':' . $channel . ':' . $custom_data, $this->settings['secret'], false );
}
else
{
$signature = hash_hmac( 'sha256', $socket_id . ':' . $channel, $this->settings['secret'], false );
}
$signature = array ( 'auth' => $this->settings['auth_key'] . ':' . $signature );
// add the custom data if it has been supplied
if($custom_data){
$signature['channel_data'] = $custom_data;
}
return json_encode( $signature );
}
/**
* Creates a presence signature (an extension of socket signing)
*
* @param int $socket_id
* @param string $user_id
* @param mixed $user_info
* @return string
*/
public function presence_auth( $channel, $socket_id, $user_id, $user_info = false )
{
$user_data = array( 'user_id' => $user_id );
if($user_info == true)
{
$user_data['user_info'] = $user_info;
}
return $this->socket_auth($channel, $socket_id, json_encode($user_data) );
}
}
?>
Il codice di errore che ricevo è:
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /membri/programator/chat/pusher.php on line 26
La ricezione dei messaggi funziona, il problema è l'invio da altervista.
Di seguito posto il codice php usato per inviare:
volevo sapere quale sia il problema.Codice PHP:<?php
require('pusher.php');
$thing = $_POST['msg'];
if($thing) {
$pusher = new Pusher($key, $secret, $app_id);
$pusher->trigger('test_channel', 'my_event',
$thing );
}
?>
