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FacebookStream.php
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FacebookStream.php
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<?php
/*
*
* Facebook Streams http://facebookstreams.com
*
* Brian Hendrickson (brian@megapump.com) http://brianhendrickson.com
*
* Basic lib to work with Facebook Streams API
*
*/
/**
* Facebook Stream class
*/
class FacebookStream {
private $http_status;
private $last_api_call;
private $api;
private $agent;
/**
* construct FacebookStream object
*/
function __construct($consumer_key, $consumer_secret, $agent) {
/* Set Facebook key/secret */
Services_Facebook::$apiKey = $consumer_key;
Services_Facebook::$secret = $consumer_secret;
/* Instantiate Services_Facebook */
$this->api = new Services_Facebook();
$this->agent = $agent;
}
/**
* Make a Request token
*/
function getAccessToken() {
return $this->api->auth->createToken();
}
/**
* Return the API key
*/
function getApiKey() {
return Services_Facebook::$apiKey;
}
/**
* Return the API secret
*/
function getApiSecret() {
return Services_Facebook::$secret;
}
/**
* get a session
*/
function getSession($token) {
return $this->api->auth->getSession($token);
}
/**
* Facebook Stream API request
*/
function StreamRequest($appid,$sesskey,$userid) {
$this->VerifyStream($userid);
$hash = md5("app_id=".$appid."session_key=".$sesskey."source_id=".$userid.$this->getApiSecret());
$url = 'http://www.facebook.com/activitystreams/feed.php';
$url .= '?source_id=';
$url .= $userid;
$url .= '&app_id=';
$url .= $appid;
$url .= '&session_key=';
$url .= $sesskey;
$url .= '&sig=';
$url .= $hash;
$url .= '&v=0.7&read';
echo $this->http($url);
exit;
}
function GetInfo($appid,$sesskey,$userid,$fields) {
// http://wiki.developers.facebook.com/index.php/Users.getInfo
$params = array(
'api_key' => $this->getApiKey(),
'call_id' => microtime(true),
'sig' => md5("app_id=".$appid."session_key=".$sesskey."source_id=".$userid.$this->getApiSecret()),
'v' => '1.0',
'uids' => $userid,
'fields' => $fields,
'session_key' => $sesskey
);
return $this->api->users->callMethod( 'users.getInfo', $params );
}
function VerifyStream($userid) {
$perm = 'read_stream';
$params = array(
'ext_perm' => $perm,
'uid' => $userid
);
// optional URL-encoded GET parameters
// next
// next_cancel
$response = $this->api->users->callMethod('users.hasAppPermission', $params);
if (!strpos($response->asXML(),"1</users_hasAppPermission")) {
$url = 'http://www.facebook.com/authorize.php';
$url .= '?api_key=';
$url .= $this->getApiKey();
$url .= '&v=1.0';
$url .= '&ext_perm=';
$url .= $perm;
header('Location:'.$url);
exit;
}
}
function VerifyUpdate($userid) {
$perm = 'status_update';
$params = array(
'ext_perm' => $perm,
'uid' => $userid
);
// optional URL-encoded GET parameters
// next
// next_cancel
$response = $this->api->users->callMethod('users.hasAppPermission', $params);
if (!strpos($response->asXML(),"1</users_hasAppPermission")) {
$url = 'http://www.facebook.com/authorize.php';
$url .= '?api_key=';
$url .= $this->getApiKey();
$url .= '&v=1.0';
$url .= '&ext_perm=';
$url .= $perm;
header('Location:'.$url);
exit;
}
}
function setStatus($status,$userid) {
$this->VerifyUpdate($userid);
$params = array(
'uid' => $userid,
);
if (is_bool($status) && $status === true) {
$params['clear'] = 'true';
} else {
$params['status'] = $status;
}
// optional URL-encoded GET parameters
// next
// next_cancel
$response = $this->api->users->callMethod('users.setStatus', $params);
return (intval((string)$res) == 1);
}
/**
* Make an HTTP request
*
* @return API results
*/
function http($url, $post_data = null) {/*{{{*/
$ch = curl_init();
if (defined("CURL_CA_BUNDLE_PATH")) curl_setopt($ch, CURLOPT_CAINFO, CURL_CA_BUNDLE_PATH);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
//////////////////////////////////////////////////
///// Set to 1 to verify SSL Cert //////
//////////////////////////////////////////////////
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
if (isset($post_data)) {
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
}
curl_setopt($ch, CURLOPT_USERAGENT, $this->agent . phpversion());
$response = curl_exec($ch);
$this->http_status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$this->last_api_call = $url;
curl_close ($ch);
return $response;
}
}