private function _downloadFile($destinationPath, $imageUrl)
{
// url encode filename to account for non-ascii characters in filenames.
$imageUrl = preg_replace_callback('#://([^/]+)/([^?]+)#', function ($match) {
return '://' . $match[1] . '/' . join('/', array_map('rawurlencode', explode('/', $match[2])));
}, urldecode($imageUrl));
if (function_exists('curl_init')) {
$ch = curl_init($imageUrl);
$fp = fopen($destinationPath, "wb");
$defaultOptions = array(CURLOPT_FILE => $fp, CURLOPT_HEADER => 0, CURLOPT_FOLLOWLOCATION => 1, CURLOPT_TIMEOUT => 30);
// merge default options with config setting, config overrides default.
$options = craft()->imager->getSetting('curlOptions') + $defaultOptions;
curl_setopt_array($ch, $options);
curl_exec($ch);
$curlErrorNo = curl_errno($ch);
$curlError = curl_error($ch);
$httpStatus = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
curl_close($ch);
fclose($fp);
if ($curlErrorNo !== 0) {
unlink($destinationPath);
throw new Exception(Craft::t('cURL error “{curlErrorNo}” encountered while attempting to download “{imageUrl}”. The error was: “{curlError}”', array('imageUrl' => $imageUrl, 'curlErrorNo' => $curlErrorNo, 'curlError' => $curlError)));
}
if ($httpStatus !== 200) {
if (!($httpStatus == 404 && strrpos(mime_content_type($destinationPath), 'image') !== false)) {
// remote server returned a 404, but the contents was a valid image file
unlink($destinationPath);
throw new Exception(Craft::t('HTTP status “{httpStatus}” encountered while attempting to download “{imageUrl}”', array('imageUrl' => $imageUrl, 'httpStatus' => $httpStatus)));
}
}
} elseif (ini_get('allow_url_fopen')) {
if (!@file_put_contents($destinationPath, file_get_contents($imageUrl))) {
unlink($destinationPath);
$httpStatus = $http_response_header[0];
throw new Exception(Craft::t('“{httpStatus}” encountered while attempting to download “{imageUrl}”', array('imageUrl' => $imageUrl, 'httpStatus' => $httpStatus)));
}
} else {
throw new Exception(Craft::t('Looks like allow_url_fopen is off and cURL is not enabled. To download external files, one of these methods has to be enabled.'));
}
}
