/**
* Use Curl to send the request to the Alfresco repository.
*
* @see elis_files_utils_invoke_service
*/
function elis_files_utils_http_request($serviceurl, $auth = 'ticket', $headers = array(),
$method = 'GET', $data = NULL, $username = '', $retry = 3) {
global $CFG;
switch ($auth) {
case 'ticket':
case 'refresh':
$url = elis_files_utils_get_wc_url($serviceurl, $auth, $username);
break;
case 'basic':
$url = elis_files_utils_get_url($serviceurl);
$hauth = elis_files_utils_get_auth_headers($username);
$headers = array_merge($hauth, $headers);
break;
default:
return false;
}
/// Prepare curl sessiontoge
$session = curl_init($url);
if (ELIS_FILES_DEBUG_TRACE) {
curl_setopt($session, CURLOPT_VERBOSE, true);
}
/// Add additonal headers
curl_setopt($session, CURLOPT_HTTPHEADER, $headers);
/// Don't return HTTP headers. Do return the contents of the call
curl_setopt($session, CURLOPT_HEADER, false);
curl_setopt($session, CURLOPT_RETURNTRANSFER, true);
if ($auth == 'basic') {
$user = elis::$config->elisfiles->server_username;
$pass = elis::$config->elisfiles->server_password;
curl_setopt($session, CURLOPT_USERPWD, "$user:$pass");
}
if ($method == 'CUSTOM-POST') {
curl_setopt($session, CURLOPT_CUSTOMREQUEST, 'POST' );
curl_setopt($session, CURLOPT_POSTFIELDS, $data);
}
if ($method == 'CUSTOM-PUT') {
curl_setopt($session, CURLOPT_CUSTOMREQUEST, 'PUT' );
curl_setopt($session, CURLOPT_POSTFIELDS, $data);
}
if ($method == 'CUSTOM-DELETE') {
curl_setopt($session, CURLOPT_CUSTOMREQUEST, 'DELETE');
curl_setopt($session, CURLOPT_POSTFIELDS, $data);
//curl_setopt($session, CURLOPT_ERRORBUFFER, 1);
}
elis_files_set_curl_timeouts($session);
/// Make the call
$return_data = curl_exec($session);
/// Get return http status code
$httpcode = curl_getinfo($session, CURLINFO_HTTP_CODE);
/// Close HTTP session
curl_close($session);
// Prepare return
$result = new stdClass();
$result->code = $httpcode;
$result->data = $return_data;
return $result;
}
/**
* Detect whether or not the remove Alfreco repository is currently running.
*
* @param none
* @return bool True if the remote system is running, False otherwise.
*/
function is_running() {
// TODO: This means that if Alfresco comes up during a user's login session, this won't be refelcted until they
// log back into Moodle again. We probably want to add somethign here that will check after a certain amount of
// time since the last check for an individual user.
// Don't check if Alfresco is running if we have already checked once.
if ($this->isrunning !== null) {
return $this->isrunning;
}
if (empty(elis::$config->elisfiles->server_host)) {
$this->isrunning = false;
return false;
}
$repourl = elis::$config->elisfiles->server_host;
if ($repourl[strlen($repourl) - 1] == '/') {
$repourl = substr($repourl, 0, strlen($repourl) - 1);
}
if (!empty(elis::$config->elisfiles->server_port)) {
$repourl .= ':' . elis::$config->elisfiles->server_port;
}
$repourl .= '/alfresco';
// A list of valid HTTP response codes
$validresponse = array(
200,
201,
204,
302,
401,
505
);
// Initialize the cURL session
$session = curl_init($repourl);
elis_files_set_curl_timeouts($session);
// Execute the cURL call
curl_exec($session);
// Get the HTTP response code from our request
$httpcode = curl_getinfo($session, CURLINFO_HTTP_CODE);
curl_close($session);
// Make sure the code is in the list of valid, acceptible codes
if (array_search($httpcode, $validresponse)) {
$this->isrunning = true;
return true;
}
$this->isrunning = false;
return false;
}
