/**
* Updates the browscap ini file to the latest version
*
* @throws Gass\Exception\RuntimeException
*/
private function updateIniFile()
{
$browsCapLocation = $this->getOption('browscap');
$directory = dirname($browsCapLocation);
if (!@file_exists($directory) && !mkdir($directory, 0777, true) || !@is_writable($directory)) {
throw new Exception\RuntimeException('The directory "' . $directory . '" is not writable, ' . 'please ensure this file can be written to and try again.');
}
$currentHttpUserAgent = Http\Http::getInstance()->getUserAgent();
if ($currentHttpUserAgent === null || '' == trim($currentHttpUserAgent)) {
throw new Exception\RuntimeException(__CLASS__ . ' cannot be initialised before a user-agent has been set in the Gass\\Http adapter.' . ' The remote server rejects requests without a user-agent.');
}
$browscapSource = Http\Http::getInstance()->request(self::BROWSCAP_URL)->getResponse();
$browscapContents = trim($browscapSource);
if (empty($browscapContents)) {
throw new Exception\RuntimeException('browscap ini file retrieved from external source seems to be empty. ' . 'Please either set botInfo to null or ensure the full_php_browscap.ini file can be retrieved.');
}
if (false === @file_put_contents($browsCapLocation, $browscapContents)) {
throw new Exception\RuntimeException('Could not write to "' . $browsCapLocation . '", please check the permissions and try again.');
}
}
/**
* Retrieves the bots csv from the default source
*
* @return string
* @throws Gass\Exception\RuntimeException
*/
private function getFromWeb()
{
$csvSource = Http\Http::getInstance()->request(self::CSV_URL)->getResponse();
$botsCsv = trim($csvSource);
if (empty($botsCsv)) {
throw new Exception\RuntimeException('Bots CSV retrieved from external source seems to be empty. ' . 'Please either set botInfo to null or ensure the bots csv file can be retrieved.');
}
return $botsCsv;
}