78 lines
2.5 KiB
PHP
78 lines
2.5 KiB
PHP
<?php declare(strict_types=1);
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class BulkDownloadConfig
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{
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public const SIZE_LIMIT = "bulk_download_size_limit";
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}
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class BulkDownloadException extends BulkActionException
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{
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}
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class BulkDownload extends Extension
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{
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private const DOWNLOAD_ACTION_NAME = "bulk_download";
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public function onInitExt(InitExtEvent $event)
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{
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global $config;
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$config->set_default_int(BulkDownloadConfig::SIZE_LIMIT, parse_shorthand_int('100MB'));
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}
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public function onBulkActionBlockBuilding(BulkActionBlockBuildingEvent $event)
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{
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global $user;
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if ($user->can(Permissions::BULK_DOWNLOAD)) {
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$event->add_action(BulkDownload::DOWNLOAD_ACTION_NAME, "Download ZIP");
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}
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}
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public function onSetupBuilding(SetupBuildingEvent $event)
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{
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$sb = new SetupBlock("Bulk Download");
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$sb->start_table();
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$sb->add_shorthand_int_option(BulkDownloadConfig::SIZE_LIMIT, "Size Limit", true);
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$sb->end_table();
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$event->panel->add_block($sb);
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}
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public function onBulkAction(BulkActionEvent $event)
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{
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global $user, $page, $config;
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if ($user->can(Permissions::BULK_DOWNLOAD)&&
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($event->action == BulkDownload::DOWNLOAD_ACTION_NAME)) {
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$download_filename = $user->name . '-' . date('YmdHis') . '.zip';
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$zip_filename = tempnam(sys_get_temp_dir(), "shimmie_bulk_download");
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$zip = new ZipArchive;
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$size_total = 0;
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$max_size = $config->get_int(BulkDownloadConfig::SIZE_LIMIT);
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if ($zip->open($zip_filename, ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE) === true) {
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foreach ($event->items as $image) {
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$img_loc = warehouse_path(Image::IMAGE_DIR, $image->hash, false);
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$size_total += filesize($img_loc);
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if ($size_total>$max_size) {
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throw new BulkDownloadException("Bulk download limited to ".human_filesize($max_size));
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}
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$filename = urldecode($image->get_nice_image_name());
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$filename = str_replace(":", ";", $filename);
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$zip->addFile($img_loc, $filename);
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}
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$zip->close();
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$page->set_mode(PageMode::FILE);
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$page->set_file($zip_filename, true);
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$page->set_filename($download_filename);
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$event->redirect = false;
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}
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}
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}
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}
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