public function test_same_singletons()
{
$a = input_manager::instance();
$b = input_manager::instance();
$this->assertSame($a, $b);
}
/**
* Choose the location of the current plugin folder backup
*
* @param string $path full path to the current folder
* @return string
*/
protected function backup_location($path) {
$dataroot = $this->input->get_option('dataroot');
$pool = $dataroot.'/mdeploy/archive';
if (!is_dir($pool)) {
mkdir($pool, 02777, true);
}
$target = $pool.'/'.basename($path).'_'.time();
$suffix = 0;
while (file_exists($target.'.'.$suffix)) {
$suffix++;
}
return $target.'.'.$suffix;
}
/**
* Downloads the given file into the given destination.
*
* This is basically a simplified version of {@link download_file_content()} from
* Moodle itself, tuned for fetching files from moodle.org servers.
*
* @param string $source file url starting with http(s)://
* @param string $target store the downloaded content to this file (full path)
* @return bool true on success, false otherwise
* @throws download_file_exception
*/
protected function download_file($source, $target)
{
$newlines = array("\r", "\n");
$source = str_replace($newlines, '', $source);
if (!preg_match('|^https?://|i', $source)) {
throw new download_file_exception('Unsupported transport protocol.');
}
if (!($ch = curl_init($source))) {
$this->log('Unable to init cURL.');
return false;
}
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
// verify the peer's certificate
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
// check the existence of a common name and also verify that it matches the hostname provided
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// return the transfer as a string
curl_setopt($ch, CURLOPT_HEADER, false);
// don't include the header in the output
curl_setopt($ch, CURLOPT_TIMEOUT, 3600);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
// nah, moodle.org is never unavailable! :-p
curl_setopt($ch, CURLOPT_URL, $source);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
// Allow redirection, we trust in ssl.
curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
if ($cacertfile = $this->get_cacert()) {
// Do not use CA certs provided by the operating system. Instead,
// use this CA cert to verify the ZIP provider.
$this->log('Using custom CA certificate ' . $cacertfile);
curl_setopt($ch, CURLOPT_CAINFO, $cacertfile);
} else {
$this->log('Using operating system CA certificates.');
}
$proxy = $this->input->get_option('proxy', false);
if (!empty($proxy)) {
curl_setopt($ch, CURLOPT_PROXY, $proxy);
$proxytype = $this->input->get_option('proxytype', false);
if (strtoupper($proxytype) === 'SOCKS5') {
$this->log('Using SOCKS5 proxy');
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
} else {
if (!empty($proxytype)) {
$this->log('Using HTTP proxy');
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, false);
}
}
$proxyuserpwd = $this->input->get_option('proxyuserpwd', false);
if (!empty($proxyuserpwd)) {
curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyuserpwd);
curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC | CURLAUTH_NTLM);
}
}
$targetfile = fopen($target, 'w');
if (!$targetfile) {
throw new download_file_exception('Unable to create local file ' . $target);
}
curl_setopt($ch, CURLOPT_FILE, $targetfile);
$result = curl_exec($ch);
// try to detect encoding problems
if ((curl_errno($ch) == 23 or curl_errno($ch) == 61) and defined('CURLOPT_ENCODING')) {
curl_setopt($ch, CURLOPT_ENCODING, 'none');
$result = curl_exec($ch);
}
fclose($targetfile);
$this->curlerrno = curl_errno($ch);
$this->curlerror = curl_error($ch);
$this->curlinfo = curl_getinfo($ch);
if (!$result or $this->curlerrno) {
$this->log('Curl Error.');
return false;
} else {
if (is_array($this->curlinfo) and (empty($this->curlinfo['http_code']) or $this->curlinfo['http_code'] != 200)) {
$this->log('Curl remote error.');
$this->log(print_r($this->curlinfo, true));
return false;
}
}
return true;
}
/**
* Get the location of ca certificates.
* @return string absolute file path or empty if default used
*/
protected function get_cacert() {
$dataroot = $this->input->get_option('dataroot');
// Bundle in dataroot always wins.
if (is_readable($dataroot.'/moodleorgca.crt')) {
return realpath($dataroot.'/moodleorgca.crt');
}
// Next comes the default from php.ini
$cacert = ini_get('curl.cainfo');
if (!empty($cacert) and is_readable($cacert)) {
return realpath($cacert);
}
// Windows PHP does not have any certs, we need to use something.
if (stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin')) {
if (is_readable(__DIR__.'/lib/cacert.pem')) {
return realpath(__DIR__.'/lib/cacert.pem');
}
}
// Use default, this should work fine on all properly configured *nix systems.
return null;
}
