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lib.php
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lib.php
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<?php
/**
* miuniversidad message processor - lib file
* (Made from Andrew Davis "custom" package)
*
* @author Luciano Coggiola
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package message_miuniversidad
*/
define('FORMAT_JSON', 'Content-Type: application/json');
define('FORMAT_URLENCODED', 'Content-Type: application/x-www-form-urlencoded');
define('METHOD_GET', 'GET');
define('METHOD_POST', 'POST');
define('METHOD_PUT', 'PUT');
define('METHOD_DELETE', 'DELETE');
define('HMAC_HASH_FUNCTION', 'sha256');
function miuniversidad_query_service($url, $api_key, $api_secret, $parameters = null, $method = METHOD_GET, $format = FORMAT_JSON)
{
$session = curl_init($url);
if ($parameters) {
if ($format == FORMAT_JSON) {
$string_parameters = json_encode($parameters);
}
elseif ($format == FORMAT_URLENCODED) {
$string_parameters = http_build_query($parameters);
}
else {
throw new \Exception('Formato desconocido: ' . $format);
}
curl_setopt($session, CURLOPT_POSTFIELDS, $string_parameters);
}
if ($method == METHOD_DELETE) {
curl_setopt($session, CURLOPT_CUSTOMREQUEST, 'DELETE');
}
elseif ($method == METHOD_PUT) {
curl_setopt($session, CURLOPT_CUSTOMREQUEST, 'PUT');
}
else {
if ($parameters) {
curl_setopt($session, CURLOPT_POST, 1);
}
}
curl_setopt($session, CURLOPT_HEADER, false);
curl_setopt($session, CURLOPT_RETURNTRANSFER, true);
curl_setopt($session, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($session, CURLOPT_SSL_VERIFYHOST, false);
$headers = array();
if ($format == FORMAT_JSON) {
$headers[] = 'Content-Type: application/json;';
}
$headers[] = 'Authorization: APIKEY ' . $api_key . ':' . generate_hash(generate_content($url, $method, $parameters), $api_secret);
curl_setopt($session, CURLOPT_HTTPHEADER, $headers);
$response_raw = curl_exec($session);
$headers = curl_getinfo($session);
curl_close($session);
if ($headers['http_code'] >= '200' and $headers['http_code'] <= 299) {
$response = json_decode($response_raw);
if ($response === null) {
throw new \Exception($response_raw);
return false;
}
}
else {
//echo 'curl -kv -X POST -H "Content-Type: application/json" -d "'. urldecode($parametros_str).'" '.$request; die();
$response = json_decode($response_raw);
if ($response !== null) {
throw new \Exception($response_raw);
}
else {
throw new \Exception($headers['http_code']);
}
return false;
}
return $response;
}
function generate_hash($content, $api_secret)
{
return hash_hmac(HMAC_HASH_FUNCTION, $content, $api_secret);
}
function generate_content($url, $method, $output)
{
$content = [
'full_url' => $url,
'method' => $method,
'input' => ($output ? $output : []),
];
return json_encode($content);
}
function miuniversidad_send_news($title, $message, $global, $recipients, $send_notification = true, $context = null)
{
global $CFG;
$parameters = array(
'title' => $title,
'content' => $message,
'global' => ($global ? "1" : "0"),
'send_notification' => ($send_notification ? "1" : "0"),
);
if (!empty($recipients)) {
$parameters['users'] = $recipients;
}
if (!empty($context)) {
$parameters['context_name'] = strtolower($context['name']);
$parameters['context_description'] = trim($context['description']);
}
return miuniversidad_query_service($CFG->miuniversidad_url . 'api/v1/newsfeed', $CFG->miuniversidad_api_key, $CFG->miuniversidad_api_secret, $parameters, METHOD_POST);
}
function miuniversidad_send_event($name, $date, $duration, $description, $ubication, $global, $recipients, $send_notification = true, $context = null)
{
global $CFG;
$parameters = array(
'event_name' => $name,
'event_date' => $date,
'event_duration' => $duration,
'event_description' => $description,
'event_location' => $ubication,
'global' => ($global ? "1" : "0"),
'context_name' => strtolower(utf8_encode($context['nombre'])),
'context_description' => trim(utf8_encode($context['descripcion'])),
'send_notification' => ($send_notification ? "1" : "0"),
);
if (!empty($recipients)) {
if (is_array($recipients)) {
$parameters['users'] = $recipients;
}
else {
$parameters['users'] = [$recipients];
}
}
return miuniversidad_query_service($CFG->miuniversidad_url . 'api/v1/calendar_event', $CFG->miuniversidad_api_key, $CFG->miuniversidad_api_secret, $parameters, METHOD_POST);
}
function miuniversidad_connect($id, $token, $userid)
{
global $CFG;
$parameters = array('external_id' => $userid);
return miuniversidad_query_service($CFG->miuniversidad_url . 'api/v1/application/subscription/' . $id . '/' . $token, $CFG->miuniversidad_api_key, $CFG->miuniversidad_api_secret, $parameters, METHOD_PUT);
}
function miuniversidad_privileges($level = 'user')
{
global $CFG;
$privileges = miuniversidad_query_service($CFG->miuniversidad_url. "api/v1/privileges/granted", $CFG->miuniversidad_api_key, $CFG->miuniversidad_api_secret);
$processed_privileges = array();
foreach ($privileges as $privilege) {
if ($level == $privilege->level) {
$part = explode(':', $privilege->name);
$processed_privileges['privilege.' . $part[0]]['privilege.' . $part[1]] = get_string($privilege->description,'message_miuniversidad');
}
}
return $processed_privileges;
}