Files
kami-parse-server/src/Routers/FilesRouter.js

96 lines
2.9 KiB
JavaScript

import express from 'express';
import BodyParser from 'body-parser';
import * as Middlewares from '../middlewares';
import { randomHexString } from '../cryptoUtils';
import Config from '../Config';
import mime from 'mime';
export class FilesRouter {
getExpressRouter(options = {}) {
var router = express.Router();
router.get('/files/:appId/:filename', this.getHandler);
router.post('/files', function(req, res, next) {
next(new Parse.Error(Parse.Error.INVALID_FILE_NAME,
'Filename not provided.'));
});
router.post('/files/:filename',
Middlewares.allowCrossDomain,
BodyParser.raw({type: () => { return true; }, limit: options.maxUploadSize || '20mb'}), // Allow uploads without Content-Type, or with any Content-Type.
Middlewares.handleParseHeaders,
this.createHandler
);
router.delete('/files/:filename',
Middlewares.allowCrossDomain,
Middlewares.handleParseHeaders,
Middlewares.enforceMasterKeyAccess,
this.deleteHandler
);
return router;
}
getHandler(req, res) {
const config = new Config(req.params.appId);
const filesController = config.filesController;
const filename = req.params.filename;
filesController.getFileData(config, filename).then((data) => {
res.status(200);
var contentType = mime.lookup(filename);
res.set('Content-Type', contentType);
res.end(data);
}).catch((err) => {
res.status(404);
res.set('Content-Type', 'text/plain');
res.end('File not found.');
});
}
createHandler(req, res, next) {
if (!req.body || !req.body.length) {
next(new Parse.Error(Parse.Error.FILE_SAVE_ERROR,
'Invalid file upload.'));
return;
}
if (req.params.filename.length > 128) {
next(new Parse.Error(Parse.Error.INVALID_FILE_NAME,
'Filename too long.'));
return;
}
if (!req.params.filename.match(/^[_a-zA-Z0-9][a-zA-Z0-9@\.\ ~_-]*$/)) {
next(new Parse.Error(Parse.Error.INVALID_FILE_NAME,
'Filename contains invalid characters.'));
return;
}
const filename = req.params.filename;
const contentType = req.get('Content-type');
const config = req.config;
const filesController = config.filesController;
filesController.createFile(config, filename, req.body, contentType).then((result) => {
res.status(201);
res.set('Location', result.url);
res.json(result);
}).catch((err) => {
next(new Parse.Error(Parse.Error.FILE_SAVE_ERROR,
'Could not store file.'));
});
}
deleteHandler(req, res, next) {
const filesController = req.config.filesController;
filesController.deleteFile(req.config, req.params.filename).then(() => {
res.status(200);
// TODO: return useful JSON here?
res.end();
}).catch((error) => {
next(new Parse.Error(Parse.Error.FILE_DELETE_ERROR,
'Could not delete file.'));
});
}
}