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authorsyuilo <syuilotan@yahoo.co.jp>2018-03-29 20:34:39 +0900
committersyuilo <syuilotan@yahoo.co.jp>2018-03-29 20:34:39 +0900
commit7228e6d11178dfa715fc2ae4e834dec129248214 (patch)
tree8a6224fa578501d67387da8129fd06932f7a818a /src/server/file/server.ts
parent整理した (diff)
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Diffstat (limited to 'src/server/file/server.ts')
-rw-r--r--src/server/file/server.ts168
1 files changed, 0 insertions, 168 deletions
diff --git a/src/server/file/server.ts b/src/server/file/server.ts
deleted file mode 100644
index 062d260cb4..0000000000
--- a/src/server/file/server.ts
+++ /dev/null
@@ -1,168 +0,0 @@
-/**
- * File Server
- */
-
-import * as fs from 'fs';
-import * as express from 'express';
-import * as bodyParser from 'body-parser';
-import * as cors from 'cors';
-import * as mongodb from 'mongodb';
-import * as _gm from 'gm';
-import * as stream from 'stream';
-
-import DriveFile, { getGridFSBucket } from '../../models/drive-file';
-
-const gm = _gm.subClass({
- imageMagick: true
-});
-
-/**
- * Init app
- */
-const app = express();
-
-app.disable('x-powered-by');
-app.locals.cache = true;
-app.use(bodyParser.urlencoded({ extended: true }));
-app.use(cors());
-
-/**
- * Statics
- */
-app.use('/assets', express.static(`${__dirname}/assets`, {
- maxAge: 1000 * 60 * 60 * 24 * 365 // 一年
-}));
-
-app.get('/', (req, res) => {
- res.send('yee haw');
-});
-
-app.get('/default-avatar.jpg', (req, res) => {
- const file = fs.createReadStream(`${__dirname}/assets/avatar.jpg`);
- send(file, 'image/jpeg', req, res);
-});
-
-app.get('/app-default.jpg', (req, res) => {
- const file = fs.createReadStream(`${__dirname}/assets/dummy.png`);
- send(file, 'image/png', req, res);
-});
-
-interface ISend {
- contentType: string;
- stream: stream.Readable;
-}
-
-function thumbnail(data: stream.Readable, type: string, resize: number): ISend {
- const readable: stream.Readable = (() => {
- // 画像ではない場合
- if (!/^image\/.*$/.test(type)) {
- // 使わないことにしたストリームはしっかり取り壊しておく
- data.destroy();
- return fs.createReadStream(`${__dirname}/assets/not-an-image.png`);
- }
-
- const imageType = type.split('/')[1];
-
- // 画像でもPNGかJPEGでないならダメ
- if (imageType != 'png' && imageType != 'jpeg') {
- // 使わないことにしたストリームはしっかり取り壊しておく
- data.destroy();
- return fs.createReadStream(`${__dirname}/assets/thumbnail-not-available.png`);
- }
-
- return data;
- })();
-
- let g = gm(readable);
-
- if (resize) {
- g = g.resize(resize, resize);
- }
-
- const stream = g
- .compress('jpeg')
- .quality(80)
- .interlace('line')
- .noProfile() // Remove EXIF
- .stream();
-
- return {
- contentType: 'image/jpeg',
- stream
- };
-}
-
-const commonReadableHandlerGenerator = (req: express.Request, res: express.Response) => (e: Error): void => {
- console.dir(e);
- req.destroy();
- res.destroy(e);
-};
-
-function send(readable: stream.Readable, type: string, req: express.Request, res: express.Response): void {
- readable.on('error', commonReadableHandlerGenerator(req, res));
-
- const data = ((): ISend => {
- if (req.query.thumbnail !== undefined) {
- return thumbnail(readable, type, req.query.size);
- }
- return {
- contentType: type,
- stream: readable
- };
- })();
-
- if (readable !== data.stream) {
- data.stream.on('error', commonReadableHandlerGenerator(req, res));
- }
-
- if (req.query.download !== undefined) {
- res.header('Content-Disposition', 'attachment');
- }
-
- res.header('Content-Type', data.contentType);
-
- data.stream.pipe(res);
-
- data.stream.on('end', () => {
- res.end();
- });
-}
-
-async function sendFileById(req: express.Request, res: express.Response): Promise<void> {
- // Validate id
- if (!mongodb.ObjectID.isValid(req.params.id)) {
- res.status(400).send('incorrect id');
- return;
- }
-
- const fileId = new mongodb.ObjectID(req.params.id);
-
- // Fetch (drive) file
- const file = await DriveFile.findOne({ _id: fileId });
-
- // validate name
- if (req.params.name !== undefined && req.params.name !== file.filename) {
- res.status(404).send('there is no file has given name');
- return;
- }
-
- if (file == null) {
- res.status(404).sendFile(`${__dirname}/assets/dummy.png`);
- return;
- }
-
- const bucket = await getGridFSBucket();
-
- const readable = bucket.openDownloadStream(fileId);
-
- send(readable, file.contentType, req, res);
-}
-
-/**
- * Routing
- */
-
-app.get('/:id', sendFileById);
-app.get('/:id/:name', sendFileById);
-
-module.exports = app;