set_wwwroot($wwwroot) ) { $hostname = mnet_get_hostname_from_uri($wwwroot); // Get the IP address for that host - if this fails, it will // return the hostname string $ip_address = gethostbyname($hostname); // Couldn't find the IP address? if ($ip_address === $hostname && !preg_match('/^\d+\.\d+\.\d+.\d+$/',$hostname)) { $this->error[] = array('code' => 2, 'text' => get_string("noaddressforhost", 'mnet')); return false; } $this->name = $wwwroot; // TODO: In reality, this will be prohibitively slow... need another // default - maybe blank string $homepage = file_get_contents($wwwroot); if (!empty($homepage)) { $count = preg_match("@@siU", $homepage, $matches); if ($count > 0) { $this->name = $matches[1]; } } $this->wwwroot = $wwwroot; $this->ip_address = $ip_address; $this->deleted = 0; $this->application = get_record('mnet_application', 'name', $application); if (empty($this->application)) { $this->application = get_record('mnet_application', 'name', 'moodle'); } $this->applicationid = $this->application->id; if(empty($pubkey)) { $this->public_key = clean_param(mnet_get_public_key($this->wwwroot, $this->application), PARAM_PEM); } else { $this->public_key = clean_param($pubkey, PARAM_PEM); } $this->public_key_expires = $this->check_common_name($this->public_key); $this->last_connect_time = 0; $this->last_log_id = 0; if ($this->public_key_expires == false) { $this->public_key == ''; return false; } } return true; } function delete() { if ($this->deleted) return true; $users = count_records('user','mnethostid', $this->id); if ($users > 0) { $this->deleted = 1; } $actions = count_records('mnet_log','hostid', $this->id); if ($actions > 0) { $this->deleted = 1; } $obj = delete_records('mnet_rpc2host', 'host_id', $this->id); $this->delete_all_sessions(); // If we don't have any activity records for which the mnet_host table // provides a foreign key, then we can delete the record. Otherwise, we // just mark it as deleted. if (0 == $this->deleted) { delete_records('mnet_host', "id", $this->id); } else { $this->commit(); } } function count_live_sessions() { $obj = $this->delete_expired_sessions(); return count_records('mnet_session','mnethostid', $this->id); } function delete_expired_sessions() { $now = time(); return delete_records_select('mnet_session', " mnethostid = '{$this->id}' AND expires < '$now' "); } function delete_all_sessions() { global $CFG; // TODO: Expires each PHP session individually // $sessions = get_records('mnet_session', 'mnethostid', $this->id); $sessions = get_records('mnet_session', 'mnethostid', $this->id); if (count($sessions) > 0 && file_exists($CFG->dirroot.'/auth/mnet/auth.php')) { require_once($CFG->dirroot.'/auth/mnet/auth.php'); $auth = new auth_plugin_mnet(); $auth->end_local_sessions($sessions); } $deletereturn = delete_records_select('mnet_session', " mnethostid = '{$this->id}'"); return true; } function check_common_name($key) { $credentials = $this->check_credentials($key); return $credentials['validTo_time_t']; } function check_credentials($key) { $credentials = openssl_x509_parse($key); if ($credentials == false) { $this->error[] = array('code' => 3, 'text' => get_string("nonmatchingcert", 'mnet', array('',''))); return false; } elseif (array_key_exists('subjectAltName', $credentials['subject']) && $credentials['subject']['subjectAltName'] != $this->wwwroot) { $a[] = $credentials['subject']['subjectAltName']; $a[] = $this->wwwroot; $this->error[] = array('code' => 5, 'text' => get_string("nonmatchingcert", 'mnet', $a)); return false; } elseif ($credentials['subject']['CN'] != $this->wwwroot) { $a[] = $credentials['subject']['CN']; $a[] = $this->wwwroot; $this->error[] = array('code' => 4, 'text' => get_string("nonmatchingcert", 'mnet', $a)); return false; } else { if (array_key_exists('subjectAltName', $credentials['subject'])) { $credentials['wwwroot'] = $credentials['subject']['subjectAltName']; } else { $credentials['wwwroot'] = $credentials['subject']['CN']; } return $credentials; } } function commit() { $obj = new stdClass(); $obj->wwwroot = $this->wwwroot; $obj->ip_address = $this->ip_address; $obj->name = $this->name; $obj->public_key = $this->public_key; $obj->public_key_expires = $this->public_key_expires; $obj->deleted = $this->deleted; $obj->last_connect_time = $this->last_connect_time; $obj->last_log_id = $this->last_log_id; $obj->force_theme = $this->force_theme; $obj->theme = $this->theme; $obj->applicationid = $this->applicationid; if (isset($this->id) && $this->id > 0) { $obj->id = $this->id; return update_record('mnet_host', $obj); } else { $this->id = insert_record('mnet_host', $obj); return $this->id > 0; } } function touch() { $this->last_connect_time = time(); $this->commit(); } function set_name($newname) { if (is_string($newname) && strlen($newname <= 80)) { $this->name = $newname; return true; } return false; } function set_applicationid($applicationid) { if (is_numeric($applicationid) && $applicationid == intval($applicationid)) { $this->applicationid = $applicationid; return true; } return false; } function set_wwwroot($wwwroot) { global $CFG; $hostinfo = get_record('mnet_host', 'wwwroot', $wwwroot); if ($hostinfo != false) { $this->populate($hostinfo); return true; } return false; } function set_id($id) { global $CFG; if (clean_param($id, PARAM_INT) != $id) { $this->errno[] = 1; $this->errmsg[] = 'Your id ('.$id.') is not legal'; return false; } $sql = " SELECT h.* FROM {$CFG->prefix}mnet_host h WHERE h.id = '". $id ."'"; if ($hostinfo = get_record_sql($sql)) { $this->populate($hostinfo); return true; } return false; } /** * Several methods can be used to get an 'mnet_host' record. They all then * send it to this private method to populate this object's attributes. * * @param object $hostinfo A database record from the mnet_host table * @return void */ function populate($hostinfo) { $this->id = $hostinfo->id; $this->wwwroot = $hostinfo->wwwroot; $this->ip_address = $hostinfo->ip_address; $this->name = $hostinfo->name; $this->deleted = $hostinfo->deleted; $this->public_key = $hostinfo->public_key; $this->public_key_expires = $hostinfo->public_key_expires; $this->last_connect_time = $hostinfo->last_connect_time; $this->last_log_id = $hostinfo->last_log_id; $this->force_theme = $hostinfo->force_theme; $this->theme = $hostinfo->theme; $this->applicationid = $hostinfo->applicationid; $this->application = get_record('mnet_application', 'id', $this->applicationid); } function get_public_key() { if (isset($this->public_key_ref)) return $this->public_key_ref; $this->public_key_ref = openssl_pkey_get_public($this->public_key); return $this->public_key_ref; } } ?>