98 lines
2.9 KiB
JavaScript
98 lines
2.9 KiB
JavaScript
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// FilesController.js
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import express from 'express';
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import mime from 'mime';
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import { Parse } from 'parse/node';
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import BodyParser from 'body-parser';
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import hat from 'hat';
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import * as Middlewares from '../middlewares';
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import Config from '../Config';
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const rack = hat.rack();
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export class FilesController {
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constructor(filesAdapter) {
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this._filesAdapter = filesAdapter;
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}
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getHandler() {
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return (req, res) => {
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let config = new Config(req.params.appId);
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this._filesAdapter.getFileDataAsync(config, req.params.filename).then((data) => {
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res.status(200);
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var contentType = mime.lookup(req.params.filename);
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res.set('Content-type', contentType);
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res.end(data);
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}).catch((error) => {
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res.status(404);
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res.set('Content-type', 'text/plain');
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res.end('File not found.');
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});
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};
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}
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createHandler() {
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return (req, res, next) => {
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if (!req.body || !req.body.length) {
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next(new Parse.Error(Parse.Error.FILE_SAVE_ERROR,
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'Invalid file upload.'));
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return;
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}
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if (req.params.filename.length > 128) {
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next(new Parse.Error(Parse.Error.INVALID_FILE_NAME,
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'Filename too long.'));
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return;
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}
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if (!req.params.filename.match(/^[_a-zA-Z0-9][a-zA-Z0-9@\.\ ~_-]*$/)) {
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next(new Parse.Error(Parse.Error.INVALID_FILE_NAME,
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'Filename contains invalid characters.'));
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return;
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}
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// If a content-type is included, we'll add an extension so we can
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// return the same content-type.
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let extension = '';
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let hasExtension = req.params.filename.indexOf('.') > 0;
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let contentType = req.get('Content-type');
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if (!hasExtension && contentType && mime.extension(contentType)) {
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extension = '.' + mime.extension(contentType);
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}
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let filename = rack() + '_' + req.params.filename + extension;
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this._filesAdapter.createFileAsync(req.config, filename, req.body).then(() => {
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res.status(201);
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var location = this._filesAdapter.getFileLocation(req.config, req, filename);
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res.set('Location', location);
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res.json({ url: location, name: filename });
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}).catch((error) => {
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console.log(error);
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next(new Parse.Error(Parse.Error.FILE_SAVE_ERROR,
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'Could not store file.'));
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});
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};
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}
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getExpressRouter() {
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let router = express.Router();
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router.get('/files/:appId/:filename', this.getHandler());
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router.post('/files', function(req, res, next) {
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next(new Parse.Error(Parse.Error.INVALID_FILE_NAME,
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'Filename not provided.'));
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});
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router.post('/files/:filename',
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Middlewares.allowCrossDomain,
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BodyParser.raw({type: '*/*', limit: '20mb'}),
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Middlewares.handleParseHeaders,
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this.createHandler()
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);
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return router;
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}
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}
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export default FilesController;
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