send/server/portal_server.js
2017-06-06 15:24:52 -07:00

160 lines
3.7 KiB
JavaScript

const express = require("express")
const busboy = require("connect-busboy");
const path = require("path");
const fs = require("fs-extra");
const bodyParser = require("body-parser");
const crypto = require("crypto");
const conf = require('./config.js');
const stream = require('stream');
let aws_credentials = conf.get('aws_credentials');
const AWS = require('aws-sdk');
AWS.config.loadFromPath('../../.aws/credentials');
const s3 = new AWS.S3();
const app = express()
const redis = require("redis"),
redis_client = redis.createClient();
redis_client.on("error", (err) => {
console.log(err);
});
app.use(busboy());
app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, '../public')));
app.get('/download/:id', (req, res) => {
res.sendFile(path.join(__dirname + '/../public/download.html'));
});
app.get('/assets/download/:id', (req, res) => {
let id = req.params.id;
if (!validateID(id)) {
res.send(404);
return;
}
redis_client.hget(id, "filename", (err, reply) => { // maybe some expiration logic too
if (!reply) {
res.sendStatus(404);
} else {
let params = {
Bucket: aws_credentials.bucketName,
Key: id
}
s3.headObject(params, function(err, data) {
res.writeHead(200, {"Content-Disposition": "attachment; filename=" + reply,
"Content-Type": "application/octet-stream",
"Content-Length": data.ContentLength});
let file_stream = s3.getObject(params).createReadStream();
file_stream.on('finish', () => {
redis_client.del(id);
s3.deleteObject(params, function(err, data) {
if (!err) {
console.log('Deleted off s3.');
}
})
});
file_stream.pipe(res);
});
// s3.getObject(params, function(err, data) {
// if (err) {
// console.log(err, err.stack); // an error occurred
// res.sendStatus(404);
// }
// else {
// }
// })
}
})
});
app.post('/delete/:id', (req, res) => {
let id = req.params.id;
if (!validateID(id)) {
res.send(404);
return;
}
let delete_token = req.body.delete_token;
if (!delete_token) {
res.sendStatus(404);
}
redis_client.hget(id, "delete", (err, reply) => {
if (!reply || (delete_token !== reply)) {
res.sendStatus(404);
} else {
redis_client.del(id);
let params = {
Bucket: aws_credentials.bucketName,
Key: id
}
s3.deleteObject(params, function(err, data) {
if (!err) {
console.log('Deleted off s3.');
}
})
res.sendStatus(200);
}
});
});
app.post("/upload/:id", (req, res, next) => {
if (!validateID(req.params.id)){
res.send(404);
return;
}
req.pipe(req.busboy);
req.busboy.on("file", (fieldname, file, filename) => {
console.log("Uploading: " + filename);
let params = {
Bucket: aws_credentials.bucketName,
Key: req.params.id,
Body: file
}
s3.upload(params, function(err, data) {
if (err) {
console.log(err, err.stack); // an error occurred
} else {
let id = req.params.id;
let uuid = crypto.randomBytes(10).toString('hex');
redis_client.hmset([id, "filename", filename, "delete", uuid]);
redis_client.expire(id, 86400000);
console.log("Upload Finished of " + filename);
res.send(uuid);
}
})
});
});
});
app.listen(3000, () => {
console.log('Portal app listening on port 3000!');
});
let validateID = route_id => {
return route_id.match(/^[0-9a-fA-F]{32}$/) !== null;
};