1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
import { Config, HTTPError, Snowflake } from "@fosscord/util";
import { Request, Response, Router } from "express";
import FileType from "file-type";
import imageSize from "image-size";
import { multer } from "../util/multer";
import { storage } from "../util/Storage";
const router = Router();
const SANITIZED_CONTENT_TYPE = ["text/html", "text/mhtml", "multipart/related", "application/xhtml+xml"];
router.post("/:channel_id", multer.single("file"), async (req: Request, res: Response) => {
if (req.headers.signature !== Config.get().security.requestSignature)
throw new HTTPError(req.t("common:body.INVALID_REQUEST_SIGNATURE"));
if (!req.file) throw new HTTPError(req.t("common:body.MISSING_FILE"));
const { buffer, mimetype, size, originalname, fieldname } = req.file;
const { channel_id } = req.params;
const filename = originalname.replaceAll(" ", "_").replace(/[^a-zA-Z0-9._]+/g, "");
const id = Snowflake.generate();
const path = `attachments/${channel_id}/${id}/${filename}`;
const endpoint = Config.get()?.cdn.endpointPublic || "http://localhost:3003";
await storage.set(path, buffer);
let width;
let height;
if (mimetype.includes("image")) {
const dimensions = imageSize(buffer);
if (dimensions) {
width = dimensions.width;
height = dimensions.height;
}
}
const file = {
id,
content_type: mimetype,
filename: filename,
size,
url: `${endpoint}/${path}`,
width,
height
};
return res.json(file);
});
router.get("/:channel_id/:id/:filename", async (req: Request, res: Response) => {
const { channel_id, id, filename } = req.params;
const file = await storage.get(`attachments/${channel_id}/${id}/${filename}`);
if (!file) throw new HTTPError(req.t("common:notfound.FILE"));
const type = await FileType.fromBuffer(file);
let content_type = type?.mime || "application/octet-stream";
if (SANITIZED_CONTENT_TYPE.includes(content_type)) {
content_type = "application/octet-stream";
}
res.set("Content-Type", content_type);
res.set("Cache-Control", "public, max-age=31536000");
return res.send(file);
});
router.delete("/:channel_id/:id/:filename", async (req: Request, res: Response) => {
if (req.headers.signature !== Config.get().security.requestSignature)
throw new HTTPError(req.t("common:body.INVALID_REQUEST_SIGNATURE"));
const { channel_id, id, filename } = req.params;
const path = `attachments/${channel_id}/${id}/${filename}`;
await storage.delete(path);
return res.send({ success: true });
});
export default router;
|
