/**
* Processor for importing an image via external URL
*
* @param int|string $productId Id of a product to import images to, or hash of a product being created if $hash is true
* @param array $urls A list of image urls to import
* @param array $images By reference blank array to be populated with successful images
* @param array $errors By reference blank array to be populated with errors - each element may be a string or an array(url, error)
* @param bool $hash If true, $productId will be treated as a product hash
* @param bool $generateImages If true, when importing, will attempt to generate thumbnail images -- may not be desirable if importing many images at once
*/
public function importImagesFromUrls($productId, $urls, &$images, &$errors, $hash = false, $generateImages = true)
{
foreach ($urls as $originalUrl) {
$url = $originalUrl;
if (!preg_match('#^[a-zA-Z0-9\.]+://#i', $url)) {
// no scheme provided in the url, assume http
$url = 'http://' . $url;
}
$urlInfo = @parse_url($url);
if (!$urlInfo) {
$errors[] = array($originalUrl, sprintf(GetLang('ProductImageInvalidUrl'), $originalUrl));
continue;
}
if ($urlInfo['scheme'] != 'http' && $urlInfo['scheme'] != 'https') {
$errors[] = array($originalUrl, sprintf(GetLang('ProductImageHttpOnly'), $originalUrl));
continue;
}
$response = PostToRemoteFileAndGetResponse($url, '', 90, $ptrfError);
if (!$response) {
// show error with details from PostToRemoteFileAndGetResponse
switch ($ptrfError) {
case ISC_REMOTEFILE_ERROR_TIMEOUT:
$error = GetLang('ProductImageCouldNotBeDownloadedTimeout');
break;
case ISC_REMOTEFILE_ERROR_HTTPERROR:
$error = GetLang('ProductImageCouldNotBeDownloadedHttpError');
break;
case ISC_REMOTEFILE_ERROR_EMPTY:
$error = GetLang('ProductImageCouldNotBeDownloadedEmpty');
break;
case ISC_REMOTEFILE_ERROR_DNSFAIL:
$error = GetLang('ProductImageCouldNotBeDownloadedDns');
break;
default:
$error = sprintf(GetLang('ProductImageCouldNotBeDownloadedOther'), $ptrfError);
break;
}
$errors[] = array($originalUrl, $error);
continue;
}
// to work correctly with the product image 'import' process the image must be a file, so save it to the cache directory temporarily
while (true) {
// we can name it .tmp because the extension will be corrected after the image type is detected
$temporaryPath = ISC_CACHE_DIRECTORY . 'productimage_' . ISC_PRODUCT_IMAGE::randomString(16) . '.tmp';
if (!file_exists($temporaryPath)) {
break;
}
}
$fh = @fopen($temporaryPath, 'wb');
if (!$fh) {
$errors[] = array($originalUrl, GetLang('ProductImageCacheWriteError'));
continue;
}
if (!@fwrite($fh, $response)) {
$errors[] = array($originalUrl, GetLang('ProductImageCacheWriteError'));
@fclose($fh);
continue;
}
@fclose($fh);
// determine original filename based on request path
$originalFilename = @$urlInfo['path'];
if ($originalFilename) {
$pathInfo = pathinfo($urlInfo['path']);
}
if ($originalFilename && $pathInfo['basename']) {
$originalFilename = $pathInfo['basename'];
} else {
// if no original filename was specified (e.g.: the image was the result of a script like http://www.example.com/) then generate a random name for it
// don't need an extension because importImage will add the correct one for the type of image it is
$originalFilename = 'image' . ISC_PRODUCT_IMAGE::randomString(3);
}
try {
$image = ISC_PRODUCT_IMAGE::importImage($temporaryPath, $originalFilename, $productId, $hash, true, $generateImages);
} catch (ISC_PRODUCT_IMAGE_IMPORT_INVALIDIMAGEFILE_EXCEPTION $exception) {
$errors[] = array($originalUrl, $exception->getMessage() . ' ' . GetLang('ProductImageInvalidFileFromWeb'));
@unlink($temporaryPath);
continue;
} catch (ISC_PRODUCT_IMAGE_IMPORT_EXCEPTION $exception) {
// these exceptions should have language-powered messages so are safe to return to the user
$errors[] = array($originalUrl, $exception->getMessage());
@unlink($temporaryPath);
continue;
} catch (Exception $exception) {
// other unknown error
$errors[] = array($originalUrl, GetLang('ProductImageProcessUnknownError'));
@unlink($temporaryPath);
continue;
}
// all done, add to list of successful images
$images[] = $image;
}
}
