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<?php
/**
* ------------------------------------------------------------------------
* JA Twitter module for joomla 1.7
* ------------------------------------------------------------------------
* Copyright (C) 2004-2011 J.O.O.M Solutions Co., Ltd. All Rights Reserved.
* @license - GNU/GPL, http://www.gnu.org/licenses/gpl.html
* Author: J.O.O.M Solutions Co., Ltd
* Websites: http://www.joomlart.com - http://www.joomlancers.com
* ------------------------------------------------------------------------
*/
defined( '_JEXEC' ) or die( 'Restricted access' );
/**
* JATwitter class.
*/
class JATwitter{
/**
* @var array $apiMethods Twitter API Methods Service
*
* @access protected;
*/
var $_apiMethods = array( 'user_timeline' => 'http://api.twitter.com/1/statuses/user_timeline.%s?count=%s',
'friend_timeline' => 'http://api.twitter.com/1/statuses/friends_timeline.%s?count=%s',
'followers' => 'http://api.twitter.com/1/statuses/followers.%s?count=%s',
'friends' => 'http://api.twitter.com/1/statuses/friends.%s?count=%s',
'show' => 'http://api.twitter.com/1/users/show.%s?screen_name=%s'
);
/**
* @var array $_apiOtherMethods contain method nonOAuth
*
* @access protected.
*/
var $_apiOtherMethods = array( 'show' => 'http://api.twitter.com/1/users/show.%s?screen_name=%s',
'user_timeline' => 'http://api.twitter.com/1/statuses/user_timeline.%s?screen_name=%s&count=%s',
'friends' => 'http://api.twitter.com/1/statuses/friends.%s?screen_name=%s&count=%s',
'friend_timeline' => 'http://api.twitter.com/1/statuses/friends_timeline.%s?screen_name=%s&count=%s',
);
/**
* @var string $_screenName
*
* @access public.
*/
var $_screenName = '';
/**
* @var string $_format format of return data;
*
* @access protected
*/
var $_format = 'json';
/**
* @var string $_auth;
*
* @access protected
*/
var $_auth = '';
/**
* @var integer $_status status of response
*
* @access protected
*/
var $_status = '';
/**
* @var stream $_output data of response
*
* @access protected.
*/
var $_output = '';
/**
* @var string $_message message of reponse.
*
* @access protected.
*/
var $_message = '';
/**
* set username and password which using for authencate
*
* @param string $username
* @param string $password
* @return JATwitter.
*/
function setAuth($username, $password){
if( trim($username) == '' || trim($password) == '' ) return $this;
$this->_auth = sprintf( "%s:%s", $username, $password );
return $this;
}
/**
* set sreen name same as twitter username
*
* @param string $screenName
* @return JATwitter
*/
function setScreenName( $screenName ){
$this->_screenName = $screenName;
return $this;
}
/**
* set format of return data
*
* @param string $format
* @return JATwitter
*/
function setFormat( $format ){
$this->_format = $format;
return $this;
}
/**
* get tweets base on method request
*
* @param string $method
* @param integer $count default equal 10 item
* @return boolean if have problem with request service, else return string.
*/
function getTweets( $method, $count=10 ){
// find url request
if( $this->_auth == '' ) {
if( array_key_exists($method, $this->_apiOtherMethods) ){
$url = sprintf( $this->_apiOtherMethods[$method], $this->_format, $this->_screenName, $count );
} else {
return ;
}
}else if( $this->_auth != '' && array_key_exists($method, $this->_apiMethods) ){
if( $method == 'show'){
$url = sprintf( $this->_apiMethods[$method], $this->_format, $this->_screenName );
}else {
$url = sprintf( $this->_apiMethods[$method], $this->_format, $count );
}
}
// marke request twitter api;
if( isset($url) ){
$this->makeRequest( $url );
if( $this->_status == 200 ){
switch( $this->_format ){
case 'xml':
return $this->_parserDataXML( $method );
break;
case 'json':
return $this->__parserDataJSON( $method );
break;
}
} else {
$this->_message = JText::_( 'ERROR_SERVER_RESPONSE' ) .' '. $this->_status;
return false;
}
}
return null;
}
/**
* parser data of xml which 've responsed from Twitter service.
*
* @param string $method twitter api method
* @return array contain twittes, return null if not found method request.
*/
function _parserDataXML( $method ){
require( 'class.xmlparser.php' );
if( $this->_output != '' ){
$obj = new T3XmlParser();
$obj->loadString( $this->_output );
$xml = $obj->toObject();
// parser data base on api method.
return $this->callMethod( "parser".ucfirst($method), $xml );
}
return null;
}
/**
* only parser json which response from api method.
*/
function __parserDataJSON( $method ){
include('json.php');
if( $this->_output != '' ){
$xml = json_decode( $this->_output);
return $this->callMethod( "parser".ucfirst($method), $xml );
}
return null;
}
/**
* get data for element's 'attribute
*
* @param XML Attribute of XML
* @return string
*/
function getData( $obj ){
return @(string)$obj;
}
/**
* only parser xml which response from api method "show", it contain user's data
*
* @param JSimpleXML $xml
* @return stdClas
*/
function parserShow( $xml ){
$obj = new stdClass();
if( !isset($xml->id) ) return null;
$obj->id = $this->getData( $xml->id );
$obj->name = $this->getData( $xml->name );
$obj->location = $this->getData( $xml->location );
$obj->description = $this->getData( $xml->description );
$obj->profile_image_url = $this->getData( $xml->profile_image_url );
$obj->url = $this->getData( $xml->url );
$obj->followers_count = $this->getData( $xml->followers_count );
$obj->friends_count = $this->getData( $xml->friends_count );
$obj->favourites_count = $this->getData( $xml->favourites_count );
$obj->statuses_count = $this->getData( $xml->statuses_count );
$obj->screen_name = $this->getData( $xml->screen_name);
unset( $xml );
return $obj;
}
/**
* only parser xml which response from api method "user_timeline", it contain twitters
*
* @param JSimpleXML $xml
* @return array.
*/
function parserUser_timeline( $items ){
$out = array();
foreach( $items as $item ){
if( !isset($item->id) ) continue;
$obj = new stdClass();
$user = $item->user;
$obj->id = $this->getData( $item->id );
$obj->source = $this->getData( $item->source );
$obj->created_at = $this->getData( $item->created_at );
$obj->text = $this->getData( $item->text );
$obj->name = $this->getData( $user->name );
$obj->screen_name = $this->getData( $user->screen_name );
$obj->profile_image_url = $this->getData( $user->profile_image_url );
$out[] = $obj;
}
return $out;
}
/**
* only parser xml which response from api method "friend_timeline", it contain twitters
*
* @param JSimpleXML $xml
* @return array.
*/
function parserFriend_timeline( $xml ){
print_r($xml);die();
return $this->parserUser_timeline( $xml );
}
function _getXMLChildren( $parentNode ){
return ;
}
/**
* only parser xml which response from api method "friend", it contain friends' data
*
* @param JSimpleXML $xml
* @return array.
*/
function parserFriends( $friends ){
$out = array();
foreach( $friends as $friend ){
$out[] = $this->parserShow( $friend );
}
return $out;
}
/**
* only parser xml which response from api method "followers", it contain friends' data
*
* @param JSimpleXML $xml
* @return array.
*/
function parserFollowers( $friends ){
$out = array();
foreach( $friends as $friend ){
$out[] = $this->parserShow( $friend );
}
return $out;
}
/**
* magic method
*
* @param string method method is calling
* @param string $params.
* @return unknown
*/
function callMethod( $method, $params ) {
if( method_exists( $this, $method ) ) {
if( is_callable( array( $this, $method ) ) ) {
return call_user_func( array( $this, $method ), $params );
}
}
return false;
}
/**
* get message of reponse
*
* @return string;
*/
function getMessage(){
return $this->_message;
}
/**
* check curl installed
*
* @return void.
*/
function _iscurlinstalled() {
if( function_exists('curl_version') == "Enabled" )
{
return true;
}
else
{
if (in_array ('curl', get_loaded_extensions())) {
return true;
}
else{
return false;
}
}
}
/**
* make request service
*
* @param string $url
* @return void.
*/
function makeRequest ( $url, $post=array() ) {
if ( $this->_iscurlinstalled() ){
//use curl to get content from url
$handle = curl_init();
curl_setopt( $handle, CURLOPT_URL, $url );
curl_setopt( $handle, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $handle, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT'] );
curl_setopt( $handle, CURLOPT_TIMEOUT, 400 );
if( $this->_auth !='' ) {
curl_setopt( $handle, CURLOPT_USERPWD, $this->_auth );
}
curl_setopt( $handle, CURLOPT_RETURNTRANSFER, true );
curl_setopt($handle, CURLOPT_HTTPHEADER, array('Expect:'));
$response = curl_exec($handle);
$this->_status = curl_getinfo($handle, CURLINFO_HTTP_CODE);
curl_close( $handle );
if( $this->_format == 'json'){
$this->_output = strstr( $response,"[{");
if(empty($this->_output))
{
$this->_output = strstr($response, "{");
}
}
$pos = strpos($response,'<?xml');
if( $pos ) {
$this->_output = substr( $response, $pos, strlen($response) );
}
return ;
} else {
$response = '';
$out = parse_url($url);
$errno = $errstr = '';
$host = $out['host'];
$path = $out['path'] . '?' . $out['query'];
$header = "GET $path HTTP/1.1\r\n";
$header .= "Host: $host\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Accept-Encoding: none\r\n";
if( $this->_auth !='' ) {
$header .= "Authorization: Basic " . base64_encode("$this->_auth") . "\r\n";
}
$header .= "Connection: Close\r\n\r\n";
$sock = fsockopen( $host, 80, $errno, $errstr, 400 );
if (!$sock) {
return null;
} else {
fwrite($sock, $header);
while (!feof($sock)) {
$response .= fgets($sock, 128);
}
fclose($sock);
if( $this->_format == 'json'){
$this->_output = strstr( $response,"[{");
if(empty($this->_output))
{
$this->_output = strstr($response, "{");
}
$this->_status = 200;
}
$pos = strpos($response,'<?xml');
if( $pos ) {
$this->_output = substr( $response, $pos, strlen($response) ) ;
$this->_status = 200;
}
return true;
}
}
}
}
?>