/**
* Get your SSL keys from the database, or create them (if they don't exist yet)
*
* Get your SSL keys from the database, or (if they don't exist yet) call
* mnet_generate_keypair to create them
*
* @param string $string The text you want to sign
* @return string The signature over that text
*/
function mnet_get_keypair()
{
global $CFG;
static $keypair = null;
if (!is_null($keypair)) {
return $keypair;
}
if ($result = get_field('config_plugins', 'value', 'plugin', 'mnet', 'name', 'openssl')) {
list($keypair['certificate'], $keypair['keypair_PEM']) = explode('@@@@@@@@', $result);
$keypair['privatekey'] = openssl_pkey_get_private($keypair['keypair_PEM']);
$keypair['publickey'] = openssl_pkey_get_public($keypair['certificate']);
return $keypair;
} else {
$keypair = mnet_generate_keypair();
return $keypair;
}
}
function replace_keys()
{
global $DB, $CFG;
$keypair = mnet_generate_keypair();
if (empty($keypair)) {
error_log('Can not generate keypair, sorry');
return;
}
$this->keypair = array();
$this->keypair = $keypair;
$this->public_key = $this->keypair['certificate'];
$details = openssl_x509_parse($this->public_key);
$this->public_key_expires = $details['validTo_time_t'];
$this->wwwroot = $CFG->wwwroot;
if (empty($_SERVER['SERVER_ADDR'])) {
// SERVER_ADDR is only returned by Apache-like webservers
$my_hostname = mnet_get_hostname_from_uri($CFG->wwwroot);
$my_ip = gethostbyname($my_hostname);
// Returns unmodified hostname on failure. DOH!
if ($my_ip == $my_hostname) {
$this->ip_address = 'UNKNOWN';
} else {
$this->ip_address = $my_ip;
}
} else {
$this->ip_address = $_SERVER['SERVER_ADDR'];
}
set_config('openssl', implode('@@@@@@@@', $this->keypair), 'mnet');
$DB->update_record('mnet_host', $this);
error_log('New public key has been generated. It expires ' . date('Y/m/d h:i:s', $this->public_key_expires));
}
function replace_keys()
{
global $CFG;
$this->keypair = array();
$this->keypair = mnet_generate_keypair();
$this->public_key = $this->keypair['certificate'];
$this->wwwroot = $CFG->wwwroot;
$details = openssl_x509_parse($this->public_key);
$this->public_key_expires = $details['validTo_time_t'];
if (empty($_SERVER['SERVER_ADDR'])) {
// SERVER_ADDR is only returned by Apache-like webservers
$my_hostname = mnet_get_hostname_from_uri($CFG->wwwroot);
$my_ip = gethostbyname($my_hostname);
// Returns unmodified hostname on failure. DOH!
if ($my_ip == $my_hostname) {
$this->ip_address = 'UNKNOWN';
} else {
$this->ip_address = $my_ip;
}
} else {
$this->ip_address = $_SERVER['SERVER_ADDR'];
}
set_config('openssl', implode('@@@@@@@@', $this->keypair), 'mnet');
// clone the proper object and then unset anything that isn't required to go into the database
// most fields don't matter but things that are arrays, will break things.
$dbobject = (object) clone $this;
unset($dbobject->keypair);
update_record('mnet_host', addslashes_object($dbobject));
error_log('New public key has been generated. It expires ' . date('Y/m/d h:i:s', $this->public_key_expires));
}
/**
* Get your SSL keys from the database, or create them (if they don't exist yet)
*
* Get your SSL keys from the database, or (if they don't exist yet) call
* mnet_generate_keypair to create them
*
* @param string $string The text you want to sign
* @return string The signature over that text
*/
function mnet_get_keypair() {
global $CFG, $DB;;
static $keypair = null;
if (!is_null($keypair)) return $keypair;
if ($result = get_config('mnet', 'openssl')) {
list($keypair['certificate'], $keypair['keypair_PEM']) = explode('@@@@@@@@', $result);
$keypair['privatekey'] = openssl_pkey_get_private($keypair['keypair_PEM']);
$keypair['publickey'] = openssl_pkey_get_public($keypair['certificate']);
return $keypair;
} else {
$keypair = mnet_generate_keypair();
return $keypair;
}
}
/**
* setup and configure a mnet environment that describes this vmoodle
* @uses $USER for generating keys
* @uses $CFG
* @param object $vmoodle
* @param handle $cnx a connection
*/
function vmoodle_setup_mnet_environment($vmoodle, $cnx)
{
global $USER, $CFG;
// Make an empty mnet environment.
$mnet_env = new mnet_environment();
$mnet_env->wwwroot = $vmoodle->vhostname;
$mnet_env->ip_address = $CFG->local_vmoodle_vmoodleip;
$mnet_env->keypair = array();
$mnet_env->keypair = mnet_generate_keypair(null);
$mnet_env->public_key = $mnet_env->keypair['certificate'];
$details = openssl_x509_parse($mnet_env->public_key);
$mnet_env->public_key_expires = $details['validTo_time_t'];
return $mnet_env;
}
function replace_keys()
{
$this->keypair = array();
$this->keypair = mnet_generate_keypair();
$this->public_key = $this->keypair['certificate'];
$details = openssl_x509_parse($this->public_key);
$this->public_key_expires = $details['validTo_time_t'];
set_config('openssl', implode('@@@@@@@@', $this->keypair), 'mnet');
update_record('mnet_host', $this);
error_log('New public key has been generated. It expires ' . date('Y/m/d h:i:s', $this->public_key_expires));
}
