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AbstractSocialLoginProvider.php
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AbstractSocialLoginProvider.php
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<?php
/**
* Abstract class definition for SocialLogin Processes
*/
abstract class AbstractSocialLoginProvider extends Process implements ConfigurableModule {
/**
* Name of the provider
*/
protected $providerName;
/**
* Provide roles for users created within this login process
*/
private static function _getUserRoles() {
$roles = new PageArray();
$config = Wire::getFuel('modules')->getModuleConfigData(self::className());
if(is_array($config['user_roles'])) {
foreach($config['user_roles'] as $user_role) {
$roles->add($this->roles->get($user_role));
}
} else {
$user_role = null;
if(($user_role = Wire::getFuel('roles')->get($config['user_roles'])) && ($user_role->id)) {
$roles->add($user_role);
}
}
return $roles;
}
/**
* provide fields or buttons for implementing provider in login form
*/
abstract public function extendLoginForm(&$form);
/**
* pass on
*/
public static function getModuleConfigInputfields(array $data) {
$fields = new FieldWrapper();
return $fields;
}
/**
* create user data page
*/
public function createUserDataPage($user, $identifier) {
if($user instanceof User == false) {
$user = $this->users->get($user);
}
if($user->id && is_scalar($identifier)) {
// create user data page
$adminPage = $this->fuel('pages')->get($this->config->adminRootPageID);
$provider = $adminPage->child("name=setup")->child("name=sociallogin")->child('name='.strtolower($this->providerName));
$user_data = new Page($this->templates->get('sociallogin_user'));
$user_data->parent = $provider;
$user_data->title = 'User '.$user->id;
$user_data->name = $this->fuel('sanitizer')->pageName($identifier, $user_data->settings['name']);
$user_data->sociallogin_user = $user->id;
$user_data->save();
if($user_data->id) {
return true;
} else {
return false;
}
} else {
return false;
}
}
/**
* find user data page by identifier
*/
public function getUserDataPage($identifier) {
if(is_scalar($identifier)) {
$adminPage = $this->fuel('pages')->get($this->config->adminRootPageID);
$provider = $adminPage->child("name=setup")->child("name=sociallogin")->child('name='.strtolower($this->providerName));
$user_data = $provider->child('name='.$identifier);
if($user_data->id) {
return $user_data;
} else {
return false;
}
} else {
return false;
}
}
/**
* store any user data
*/
public function saveUserData($user, array $data) {
if($user instanceof User == false) {
$user = $this->users->get($user);
}
if($user->id) {
// get user data page
$user_data = $this->pages->get('template=sociallogin_user, sociallogin_user='.$user->id);
if(!$user_data->id) {
throw new WireException($this->_('WasnÕt able to load user data page.')); // Error message on creation of user data page
} else {
$json = count($data) ? wireEncodeJSON($data, true) : '{}';
$user_data->sociallogin_user_data = $json;
$user_data->save();
}
return true;
} else {
return false;
}
}
/**
* load user data
*/
public function getUserData($user) {
if($user instanceof User == false) {
$user = $this->users->get($user);
}
if($user->id) {
$adminPage = $this->fuel('pages')->get($this->config->adminRootPageID);
$provider = $adminPage->child("name=setup")->child("name=sociallogin")->child('name='.strtolower($this->providerName));
$user_data = $provider->child('sociallogin_user='.$user->id);
return wireDecodeJSON($user_data->sociallogin_user_data);
} else {
return false;
}
}
public function getRandomPassword($length=12) {
if(!is_numeric($length)) {
$length = 12;
}
return mb_substr(base64_encode(date("Y.m.d H:i:s")), 0, $length);
}
}
abstract class AbstractSocialLoginProviderAPI extends AbstractSocialLoginProvider {
var $http_info = array();
/**
* Utilities to address external APIs
*/
/**
* Make an HTTP request
* Based on http method of TwitterOAuth class by Abraham Williams
* @return API results
*/
public function http($url, $data = NULL, $options = array(), $headers=array()) {
$ci = curl_init();
/* Curl settings */
$default_headers = array(
'Expect:'
//'Content-Type: application/x-www-form-urlencoded',
//'Accept: /'
);
if(is_array($headers)) {
$headers = array_merge($default_headers, $headers);
} else {
$headers = $default_headers;
}
print_r($headers);
$defaults = array(
CURLOPT_USERAGENT => "SocialLoginProvider",
CURLOPT_CONNECTTIMEOUT => 30,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTPHEADER => $headers,
CURLOPT_SSL_VERIFYPEER => FALSE,
CURLOPT_RETURNTRANSFER => TRUE,
CURLOPT_HEADERFUNCTION => array($this, 'getHeader'),
CURLOPT_HEADER => FALSE
);
foreach($defaults as $index=>$option) {
if(!array_key_exists($index, $options)) {
$options[$index] = $option;
}
}
//$options = array_merge($defaults, $options);
curl_setopt_array($ci, $options);
if(isset($data))
{
if(is_array($data)) {
$data = $this->buildQueryString($data);
}
curl_setopt($ci, CURLOPT_POST, 1);
curl_setopt($ci, CURLOPT_POSTFIELDS, $data);
}
curl_setopt($ci, CURLOPT_URL, $url);
if(!$response = curl_exec($ci)) {
trigger_error(curl_error($ci));
}
$this->http_info['code'] = curl_getinfo($ci, CURLINFO_HTTP_CODE);
$this->http_info['curl_info'] = curl_getinfo($ci);
curl_close ($ci);
return $response;
}
/**
* Normalize url
*/
public function normalizeUrl($url) {
if(is_scalar($url) && $parts = parse_url($url)) {
$port = @$parts['port'];
$scheme = $parts['scheme'];
$host = $parts['host'];
$path = @$parts['path'];
$port or $port = ($scheme == 'https') ? '443' : '80';
if (($scheme == 'https' && $port != '443')
|| ($scheme == 'http' && $port != '80')) {
$host = "$host:$port";
}
return "$scheme://$host$path";
} else {
return false;
}
}
/**
* Get the header info
*/
function getHeader($ch, $header) {
$i = strpos($header, ':');
if (!empty($i)) {
$key = str_replace('-', '_', strtolower(substr($header, 0, $i)));
$value = trim(substr($header, $i + 2));
$this->http_info['header'][$key] = $value;
}
return strlen($header);
}
/**
* This function takes a input like a=b&a=c&d=e and returns the parsed
* parameters like this
* array('a' => array('b','c'), 'd' => 'e')
* originally written by Abraham Williams
*/
public function parseParameters( $params ) {
if (!isset($params) || !$params) return array();
$pairs = explode('&', $params);
$parsed_parameters = array();
foreach ($pairs as $pair) {
$split = explode('=', $pair, 2);
$parameter = $this->urlDecode($split[0]);
$value = isset($split[1]) ? $this->urlDecode($split[1]) : '';
if (isset($parsed_parameters[$parameter])) {
// We have already recieved parameter(s) with this name, so add to the list
// of parameters with this name
if (is_scalar($parsed_parameters[$parameter])) {
// This is the first duplicate, so transform scalar (string) into an array
// so we can add the duplicates
$parsed_parameters[$parameter] = array($parsed_parameters[$parameter]);
}
$parsed_parameters[$parameter][] = $value;
} else {
$parsed_parameters[$parameter] = $value;
}
}
return $parsed_parameters;
}
public function http_req($url, $parameters=array(), $referer='') {
// Convert the data array into URL Parameters like a=b&foo=bar etc.
$data = $this->buildQueryString($parameters);
// parse the given URL
$url = parse_url($url);
// extract host and path:
$host = $url['host'];
$path = $url['path'];
$query = $url['query'];
// open a socket connection on port 80 - timeout: 30 sec
$fp = fsockopen($host, 80, $errno, $errstr, 30);
if ($fp){
// send the request headers:
fputs($fp, "POST $path?".(strlen($query)?$query:"")." HTTP/1.1\r\n");
fputs($fp, "Host: $host\r\n");
if ($referer != '')
fputs($fp, "Referer: $referer\r\n");
fputs($fp, "Content-type: application/x-www-form-urlencoded\r\n");
fputs($fp, "Content-length: ". strlen($data) ."\r\n");
fputs($fp, "Connection: close\r\n\r\n");
fputs($fp, $data);
$result = '';
while(!feof($fp)) {
// receive the results of the request
$result .= fgets($fp, 128);
}
}
else {
return array(
'status' => 'err',
'error' => "$errstr ($errno)"
);
}
// close the socket connection:
fclose($fp);
// split the result header from the content
$result = explode("\r\n\r\n", $result, 2);
$this->http_info['header'] = isset($result[0]) ? $result[0] : '';
$response = isset($result[1]) ? $result[1] : '';
// return as structured array:
return $response;
}
/**
* URL en- and decoding
*/
public function urlEncode($data) {
if (is_array($data)) {
return array_map(array($this, 'urlEncode'), $data);
} else if (is_scalar($data)) {
return str_replace("+", " ", str_replace("%7E", "~", rawurlencode($data)));
} else {
return "";
}
}
public function urlDecode($string) {
return urldecode($string);
}
/**
* Build http query
*/
public function buildQueryString($params) {
if (!$params) return '';
// Urlencode both keys and values
$keys = $this->urlEncode(array_keys($params));
$values = $this->urlEncode(array_values($params));
$params = array_combine($keys, $values);
uksort($params, 'strcmp');
$pairs = array();
foreach ($params as $k => $v) {
if (is_array($v)) {
// If two or more parameters share the same name, they are sorted by their value
natsort($v);
foreach ($v as $duplicate) {
$pairs[] = $k . '=' . $duplicate;
}
} else {
$pairs[] = $k . '=' . $v;
}
}
return implode('&', $pairs);
}
}