protected function _auth_https_post($host, $path, $data)
{
$url = $host . $path . $data;
return psm_curl_get($url);
}
/**
* Check if an update is available for PHP Server Monitor.
*
* Will only check for new version if user turned updates on in config.
* @return boolean
*/
function psm_update_available()
{
if (!psm_get_conf('show_update')) {
// user does not want updates, fair enough.
return false;
}
$last_update = psm_get_conf('last_update_check');
if (time() - PSM_UPDATE_INTERVAL > $last_update) {
// been more than a week since update, lets go
// update last check date
psm_update_conf('last_update_check', time());
$latest = psm_curl_get(PSM_UPDATE_URL);
// add latest version to database
if ($latest !== false && strlen($latest) < 15) {
psm_update_conf('version_update_check', $latest);
}
} else {
$latest = psm_get_conf('version_update_check');
}
if ($latest != false) {
$current = psm_get_conf('version');
return version_compare($latest, $current, '>');
} else {
return false;
}
}
/**
* Check the current server as a website
* @param int $max_runs
* @param int $run
* @return boolean
*/
protected function updateWebsite($max_runs, $run = 1)
{
$starttime = microtime(true);
// We're only interested in the header, because that should tell us plenty!
// unless we have a pattern to search for!
$curl_result = psm_curl_get($this->server['ip'], true, $this->server['pattern'] == '' ? false : true, $this->server['timeout'], true, $this->server['website_username'], psm_password_decrypt($this->server['server_id'] . psm_get_conf('password_encrypt_key'), $this->server['website_password']));
$this->rtime = microtime(true) - $starttime;
// the first line would be the status code..
$status_code = strtok($curl_result, "\r\n");
// keep it general
// $code[1][0] = status code
// $code[2][0] = name of status code
$code_matches = array();
preg_match_all("/[A-Z]{2,5}\\/\\d\\.\\d\\s(\\d{3})\\s(.*)/", $status_code, $code_matches);
if (empty($code_matches[0])) {
// somehow we dont have a proper response.
$this->error = 'TIMEOUT ERROR: no response from server';
$result = false;
} else {
$code = $code_matches[1][0];
$msg = $code_matches[2][0];
// All status codes starting with a 4 or higher mean trouble!
if (substr($code, 0, 1) >= '4') {
$this->error = "HTTP STATUS ERROR: " . $code . ' ' . $msg;
$result = false;
} else {
$result = true;
//Okay, the HTTP status is good : 2xx or 3xx. Now we have to test the pattern if it's set up
if ($this->server['pattern'] != '') {
// Check to see if the pattern was found.
if (!preg_match("/{$this->server['pattern']}/i", $curl_result)) {
$this->error = 'TEXT ERROR : Pattern not found.';
$result = false;
}
}
}
}
// check if server is available and rerun if asked.
if (!$result && $run < $max_runs) {
return $this->updateWebsite($max_runs, $run + 1);
}
return $result;
}
