Files

64 lines
1.9 KiB
TypeScript

/**
* Copyright 2013-2019 GenieACS Inc.
*
* This file is part of GenieACS.
*
* GenieACS is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* GenieACS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with GenieACS. If not, see <http://www.gnu.org/licenses/>.
*/
import * as url from "url";
import * as querystring from "querystring";
import { GridFSBucket } from "mongodb";
import * as db from "./db";
import * as logger from "./logger";
export function listener(request, response): void {
const urlParts = url.parse(request.url, true);
if (request.method === "GET") {
const filename = querystring.unescape(urlParts.pathname.substring(1));
const log = {
message: "Fetch file",
filename: filename,
remoteAddress: request.connection.remoteAddress
};
db.filesCollection.findOne({ _id: filename }, (err, file) => {
if (err) throw err;
if (!file) {
response.writeHead(404);
response.end();
log.message += " not found";
logger.accessError(log);
return;
}
response.writeHead(200, {
"Content-Type": file.contentType || "application/octet-stream",
"Content-Length": file.length
});
const bucket = new GridFSBucket(db.client.db());
const downloadStream = bucket.openDownloadStreamByName(filename);
downloadStream.pipe(response);
logger.accessInfo(log);
});
} else {
response.writeHead(405, { Allow: "GET" });
response.end("405 Method Not Allowed");
}
}