function lti_do_actions($tool_provider)
{
// Insert code here to handle incoming connections - use the user
// and resource_link properties of the $tool_provider parameter
// to access the current user and resource link.
// Get consumer key
$consumer_key = $tool_provider->consumer->getKey();
// Get user ID
$user_id = $tool_provider->user->getId();
$blogType = new blogTypeLoader($tool_provider->resource_link->getSetting('custom_blogtype', 'defaultType'));
if ($blogType->error < 0) {
wp_die("BASIC LTI loading Types Aula Failed " . $blogType->error_miss);
return;
}
//TODO Get the list of users
$resource_link = $tool_provider->resource_link;
if (false) {
//$users = $resource_link->doMembershipsService();
//TODO test save grade
$user = $tool_provider->user;
//In Moodle we need to delete the dobre quote
$result_sourcedid = str_replace('\\"', '"', $user->lti_result_sourcedid);
$outcome = new LTI_Outcome($result_sourcedid);
$score = 0.66;
$outcome->setValue($score);
$ok = $resource_link->doOutcomesService(LTI_Resource_Link::EXT_WRITE, $outcome);
/*if (!$ok) {
var_dump($_POST);
var_dump($outcome);
die();
}*/
//TODO read result
$outcome_read = new LTI_Outcome($result_sourcedid);
if ($score = $resource_link->doOutcomesService(LTI_Resource_Link::EXT_READ, $outcome_read)) {
//Doesn't work not retrieve the score
//$score = $outcome_read->getValue();
}
}
// Set up the user...
$userkey = getUserkeyLTI($tool_provider);
$userkey = apply_filters('pre_user_login', $userkey);
$userkey = trim($userkey);
if (empty($userkey)) {
wp_die('<p>Empty username</p><p>Cannot create a user without username</p>');
}
$uinfo = get_user_by('login', $userkey);
$og_old_user_meta = null;
if (isset($uinfo) && $uinfo != false) {
//CHANGED WHY DO THIS INSERT
/*$ret_id = wp_insert_user(array(
'ID' => $uinfo->ID,
'user_login' => $userkey,
'user_nicename'=> $tool_provider->user->fullname,
'first_name'=> $tool_provider->user->firstname,
'last_name'=> $tool_provider->user->lastname,
'user_email'=> $tool_provider->user->email,
'user_url' => 'http://a',
'display_name' => $tool_provider->user->fullname,
'role' => get_option('default_role')
));
if (is_object($ret_id) && isset($ret_id->errors)){
$msg = '';
foreach ($ret_id->errors as $key => $error){
$msg .= "<p><b>$key</b> ";
foreach($error as $erroMsg){
$msg .= "<p> $erroMsg</p>";
}
$msg .= "</p>";
}
wp_die($msg);
} */
// og : get the user's capabilities before they get removed, so we can restore them later
$og_old_user_meta = get_user_meta($uinfo->ID, 'wp_capabilities', true);
// error_log("og caps before:".print_r(og_old_user_meta, true));
} else {
// new user!!!!
// og LTI: set the user_login and user_nicename to the same value,
// , because we want the wordpress-login cookie to have the username
// otherwise caching won't work properly!
//$trim_name = trim($tool_provider->user->fullname);
$trim_name = str_replace(' ', '', $tool_provider->user->fullname);
$ogmydefaultrole = get_option('default_role');
//error_log("og uinfo:". $uinfo);
//error_log("og LTI user fullname:". $tool_provider->user->fullname);
$ret_id = wp_insert_user(array('user_login' => $userkey, 'user_nicename' => $userkey, 'first_name' => $tool_provider->user->firstname, 'last_name' => $tool_provider->user->lastname, 'user_email' => $tool_provider->user->email, 'user_url' => 'http://edx.org', 'display_name' => $userkey));
if (is_object($ret_id) && isset($ret_id->errors)) {
$msg = '';
foreach ($ret_id->errors as $key => $error) {
$msg .= "<p><b>{$key}</b> ";
foreach ($error as $erroMsg) {
$msg .= "<p> {$erroMsg}</p>";
}
$msg .= "</p>";
}
wp_die($msg);
}
$uinfo = get_user_by('login', $userkey);
}
//Eliminem del blog Principal (si no es admin) http://jira.uoc.edu/jira/browse/BLOGA-218
if (!$is_admin) {
//error_log("removing user caps");
$user = new WP_User($uinfo->ID);
//error_log("og LTI uinfo: ".print_r($uinfo, true));
$user->remove_all_caps();
}
$_SERVER['REMOTE_USER'] = $userkey;
$password = md5($uinfo->user_pass);
// User is now authorized; force WordPress to use the generated password
//login, set cookies, and set current user
wp_authenticate($userkey, $password);
wp_set_auth_cookie($user->ID, false);
wp_set_current_user($user->ID, $userkey);
//// og hack: I added wp_og_LTI_login in order to get wordpress to update the user specific cookie during LTI login
//do_action("wp_og_LTI_login", $user->user_login, $user);
$siteUrl = substr(get_option("siteurl"), 7);
// - "http://"
$siteUrlArray = explode("/", $siteUrl);
$domain = $siteUrlArray[0];
unset($siteUrlArray[0]);
//error_log("og LTI domain: ". $domain);
$course = $blogType->getCoursePath($tool_provider, $siteUrlArray, $domain);
// Get resource link ID
$context_id = $tool_provider->resource_link->getId();
if (isset($context_id)) {
$course .= '-' . $context_id;
}
$course = sanitize_user($course, true);
//Bug wordpress doesn't get stye sheet if has a dot
$course = str_replace('.', '_', $course);
###CHANGED
##$path_base = "/".implode("/",$siteUrlArray)."/".$course;
$path_base = "/" . implode("/", $siteUrlArray);
$path_base = str_replace('//', '/', $path_base);
$path = $path_base . "/";
$path = str_replace('//', '/', $path);
$blog_created = false;
$overwrite_plugins_theme = $tool_provider->resource_link->getSetting(OVERWRITE_PLUGINS_THEME, false);
$overwrite_roles = $tool_provider->resource_link->getSetting(OVERWRITE_ROLES, false);
$blog_id = domain_exists($domain, $path);
$blog_is_new = false;
if (!isset($blog_id)) {
$title = __("Blog ") . $blogType->getCourseName($tool_provider);
$blog_is_new = true;
$meta = $blogType->getMetaBlog($tool_provider);
$old_site_language = get_site_option('WPLANG');
$blogType->setLanguage($tool_provider);
$blog_id = wpmu_create_blog($domain, $path, $title, $user_id, $meta);
update_site_option('WPLANG', $old_site_language);
$blogType->checkErrorCreatingBlog($blog_id, $path);
$blog_created = true;
}
// Connect the user to the blog
if (isset($blog_id)) {
switch_to_blog($blog_id);
ob_start();
if ($overwrite_plugins_theme || $blog_created) {
$blogType->loadPlugins();
$blogType->changeTheme();
}
//Agafem el rol anterior
$old_role = null;
if (!$blog_created && !$overwrite_roles) {
//$old_role_array = get_usermeta($user->id, 'wp_'.$blog_id.'_capabilities');
$old_role_array = get_user_meta($user->id, 'wp_capabilities', true);
//error_log("og caps:".print_r($old_role_array, true));
if (count($old_role_array) > 0) {
foreach ($old_role_array as $key => $value) {
if ($value == true) {
$old_role = $key;
}
}
}
}
if (count($uinfo->role > 1)) {
//error_log("og setting old role again ".print_r($uinfo,1));
$old_role = $uinfo->role[1];
} else {
$obj->role = get_option('default_role');
}
//error_log("og old role before:".$old_role);
remove_user_from_blog($uinfo->ID, $blog_id);
$obj = new stdClass();
$obj->blog_id = $blog_id;
$obj->userkey = $userkey;
$obj->path_base = $path_base;
$obj->domain = $domain;
$obj->context = $tool_provider;
$obj->uinfoID = $uinfo->ID;
$obj->blog_is_new = $blog_is_new;
if ($overwrite_roles || $old_role == null) {
$obj->role = $blogType->roleMapping($tool_provider->resource_link->getSetting(FIELD_ROLE_UOC_CAMPUS), $tool_provider);
} else {
$obj->role = $old_role;
}
//error_log("og old role:".$obj->role);
$obj->role = get_option('default_role');
// oritgigo: added
$blogType->postActions($obj);
add_user_to_blog($blog_id, $uinfo->ID, $obj->role);
//Si posem el restore_current_blog ens va al principi
// restore_current_blog();
ob_end_clean();
// og : update the user's capabilities back to what they were before the changes were made
// This code fixes a bug where the user's capabilities would reset to participant each
// time they logged in. This code prevents this from happening by restoring the user's roles
// after the reset happens.
if ($og_old_user_meta != null) {
update_user_meta($uinfo->ID, 'wp_capabilities', $og_old_user_meta);
//error_log("og caps after:".print_r($og_old_user_meta, true));
}
}
// og hack: I added wp_og_LTI_login in order to get wordpress to update the user specific cookie during LTI login
do_action("wp_og_LTI_login", $user->user_login, $user, $og_old_user_meta);
$redirecturl = get_option("siteurl");
//error_log("og LTI redirect URL: ".$redirecturl);
$redirecturl = str_replace("http://", "https://", $redirecturl);
//error_log("og LTI new redirect URL: ".$redirecturl);
//error_log("og LTI request: ". print_r($_REQUEST,true));
wp_redirect($redirecturl . '/');
exit;
}
/**
* Convert data type of value to a supported type if possible.
*
* @param LTI_Outcome $lti_outcome Outcome object
* @param string[] $supported_types Array of outcome types to be supported (optional, default is null to use supported types reported in the last launch for this resource link)
*
* @return boolean True if the type/value are valid and supported
*/
private function checkValueType($lti_outcome, $supported_types = NULL)
{
if (empty($supported_types)) {
$supported_types = explode(',', str_replace(' ', '', strtolower($this->getSetting('ext_ims_lis_resultvalue_sourcedids', self::EXT_TYPE_DECIMAL))));
}
$type = $lti_outcome->type;
$value = $lti_outcome->getValue();
// Check whether the type is supported or there is no value
$ok = in_array($type, $supported_types) || strlen($value) <= 0;
if (!$ok) {
// Convert numeric values to decimal
if ($type == self::EXT_TYPE_PERCENTAGE) {
if (substr($value, -1) == '%') {
$value = substr($value, 0, -1);
}
$ok = is_numeric($value) && $value >= 0 && $value <= 100;
if ($ok) {
$lti_outcome->setValue($value / 100);
$lti_outcome->type = self::EXT_TYPE_DECIMAL;
}
} else {
if ($type == self::EXT_TYPE_RATIO) {
$parts = explode('/', $value, 2);
$ok = count($parts) == 2 && is_numeric($parts[0]) && is_numeric($parts[1]) && $parts[0] >= 0 && $parts[1] > 0;
if ($ok) {
$lti_outcome->setValue($parts[0] / $parts[1]);
$lti_outcome->type = self::EXT_TYPE_DECIMAL;
}
// Convert letter_af to letter_af_plus or text
} else {
if ($type == self::EXT_TYPE_LETTER_AF) {
if (in_array(self::EXT_TYPE_LETTER_AF_PLUS, $supported_types)) {
$ok = TRUE;
$lti_outcome->type = self::EXT_TYPE_LETTER_AF_PLUS;
} else {
if (in_array(self::EXT_TYPE_TEXT, $supported_types)) {
$ok = TRUE;
$lti_outcome->type = self::EXT_TYPE_TEXT;
}
}
// Convert letter_af_plus to letter_af or text
} else {
if ($type == self::EXT_TYPE_LETTER_AF_PLUS) {
if (in_array(self::EXT_TYPE_LETTER_AF, $supported_types) && strlen($value) == 1) {
$ok = TRUE;
$lti_outcome->type = self::EXT_TYPE_LETTER_AF;
} else {
if (in_array(self::EXT_TYPE_TEXT, $supported_types)) {
$ok = TRUE;
$lti_outcome->type = self::EXT_TYPE_TEXT;
}
}
// Convert text to decimal
} else {
if ($type == self::EXT_TYPE_TEXT) {
$ok = is_numeric($value) && $value >= 0 && $value <= 1;
if ($ok) {
$lti_outcome->type = self::EXT_TYPE_DECIMAL;
} else {
if (substr($value, -1) == '%') {
$value = substr($value, 0, -1);
$ok = is_numeric($value) && $value >= 0 && $value <= 100;
if ($ok) {
if (in_array(self::EXT_TYPE_PERCENTAGE, $supported_types)) {
$lti_outcome->type = self::EXT_TYPE_PERCENTAGE;
} else {
$lti_outcome->setValue($value / 100);
$lti_outcome->type = self::EXT_TYPE_DECIMAL;
}
}
}
}
}
}
}
}
}
}
return $ok;
}
