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<?php
/**
* Helper functions for the OpenID client plugin
*/
/**
* Serves a page to the new user to determine account values
*
* This should only be called after validating the OpenID response.
*
* @param array $data Key value pairs extracted from the response
* @return bool
*/
function openid_client_registration_page_handler(array $data) {
if (!is_array($data)) {
return false;
}
$title = elgg_echo('openid_client:create');
$vars = openid_client_prepare_registration_vars($data);
$content = elgg_view('openid_client/register', $vars);
$params = array(
'title' => $title,
'content' => $content,
);
$body = elgg_view_layout('one_column', $params);
echo elgg_view_page($title, $body);
return true;
}
/**
* Create the form vars for registration
*
* @param array $data
* @return array
*/
function openid_client_prepare_registration_vars(array $data) {
$vars = array();
$vars['openid_identifier'] = $data['openid_identifier'];
// username
if (isset($data['username'])) {
$vars['username'] = $data['username'];
} else if (isset($data['email'])) {
$vars['username'] = array_shift(explode('@', $data['email']));
} else {
$vars['username'] = null;
}
// is the username available
if ($vars['username']) {
$vars['is_username_available'] = openid_client_is_username_available($vars['username']);
}
// is the username valid
try {
$vars['is_username_valid'] = validate_username($vars['username']);
} catch (RegistrationException $e) {
$vars['is_username_valid'] = false;
}
// the rest
$vars['email'] = elgg_extract('email', $data);
$vars['name'] = elgg_extract('name', $data);
if ($vars['email']) {
$vars['is_email_available'] = openid_client_is_email_available($vars['email']);
}
return $vars;
}
/**
* Is this username available?
*
* @param string $username The username
* @return bool
*/
function openid_client_is_username_available($username) {
$db_prefix = elgg_get_config('dbprefix');
$username = sanitize_string($username);
$query = "SELECT count(*) AS total FROM {$db_prefix}users_entity WHERE username = '$username'";
$result = get_data_row($query);
if ($result->total == 0) {
return true;
} else {
return false;
}
}
/**
* Is this email address available?
*
* @param string $email Email address
* @return bool
*/
function openid_client_is_email_available($email) {
$db_prefix = elgg_get_config('dbprefix');
$email = sanitize_string($email);
$query = "SELECT count(*) AS total FROM {$db_prefix}users_entity WHERE email = '$email'";
$result = get_data_row($query);
if ($result->total == 0) {
return true;
} else {
return false;
}
}
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