fox-send/server/portal_server.js

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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 app = express()
const redis = require("redis"),
client = redis.createClient();
client.on("error", (err) => {
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console.log(err);
})
app.use(busboy());
app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, "../public")));
app.get("/download/:id", (req, res) => {
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res.sendFile(path.join(__dirname + "/../public/download.html"));
});
app.get("/assets/download/:id", (req, res) => {
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let id = req.params.id;
if (!validateID(id)){
res.send(404);
return;
}
client.hget(id, "filename", (err, reply) => { // maybe some expiration logic too
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if (!reply) {
res.sendStatus(404);
} else {
res.setHeader("Content-Disposition", "attachment; filename=" + reply);
res.setHeader("Content-Type", "application/octet-stream");
res.download(__dirname + "/../static/" + id, reply, (err) => {
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if (!err) {
client.del(id);
fs.unlinkSync(__dirname + "/../static/" + id);
}
});
}
})
});
app.post("/delete/:id", (req, res) => {
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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);
}
client.hget(id, "delete", (err, reply) => {
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if (!reply) {
res.sendStatus(404);
} else {
client.del(id);
fs.unlinkSync(__dirname + "/../static/" + id);
res.sendStatus(200);
}
})
});
app.post("/upload/:id", (req, res, next) => {
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if (!validateID(req.params.id)){
res.send(404);
return;
}
let fstream;
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req.pipe(req.busboy);
req.busboy.on("file", (fieldname, file, filename) => {
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console.log("Uploading: " + filename);
//Path where image will be uploaded
fstream = fs.createWriteStream(__dirname + "/../static/" + req.params.id);
file.pipe(fstream);
fstream.on("close", () => {
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let id = req.params.id;
let uuid = crypto.randomBytes(10).toString('hex');
client.hmset([id, "filename", filename, "delete", uuid]);
// delete the file off the server in 24 hours
// setTimeout(() => {
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// fs.unlinkSync(__dirname + "/static/" + id);
// }, 86400000);
client.expire(id, 86400000);
console.log("Upload Finished of " + filename);
res.send(uuid);
});
});
});
app.listen(3000, () => {
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console.log("Portal app listening on port 3000!")
})
let validateID = (route_id) => {
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return route_id.match(/^[0-9a-fA-F]{32}$/) !== null;
}