Files
outline/server/routes/api/attachments.ts
2022-03-02 21:12:38 -08:00

143 lines
3.5 KiB
TypeScript

import Router from "koa-router";
import { v4 as uuidv4 } from "uuid";
import { NotFoundError } from "@server/errors";
import auth from "@server/middlewares/authentication";
import { Attachment, Document, Event } from "@server/models";
import { authorize } from "@server/policies";
import {
getPresignedPost,
publicS3Endpoint,
getSignedUrl,
} from "@server/utils/s3";
import { assertPresent } from "@server/validation";
const router = new Router();
const AWS_S3_ACL = process.env.AWS_S3_ACL || "private";
router.post("attachments.create", auth(), async (ctx) => {
const { name, documentId, contentType, size } = ctx.body;
assertPresent(name, "name is required");
assertPresent(contentType, "contentType is required");
assertPresent(size, "size is required");
const { user } = ctx.state;
authorize(user, "createAttachment", user.team);
const s3Key = uuidv4();
const acl =
ctx.body.public === undefined
? AWS_S3_ACL
: ctx.body.public
? "public-read"
: "private";
const bucket = acl === "public-read" ? "public" : "uploads";
const key = `${bucket}/${user.id}/${s3Key}/${name}`;
const presignedPost = await getPresignedPost(key, acl, contentType);
const endpoint = publicS3Endpoint();
const url = `${endpoint}/${key}`;
if (documentId) {
const document = await Document.findByPk(documentId, {
userId: user.id,
});
authorize(user, "update", document);
}
const attachment = await Attachment.create({
key,
acl,
size,
url,
contentType,
documentId,
teamId: user.teamId,
userId: user.id,
});
await Event.create({
name: "attachments.create",
data: {
name,
},
teamId: user.teamId,
userId: user.id,
ip: ctx.request.ip,
});
ctx.body = {
data: {
maxUploadSize: process.env.AWS_S3_UPLOAD_MAX_SIZE,
uploadUrl: endpoint,
form: {
"Cache-Control": "max-age=31557600",
"Content-Type": contentType,
...presignedPost.fields,
},
attachment: {
documentId,
contentType,
name,
id: attachment.id,
url: attachment.redirectUrl,
size,
},
},
};
});
router.post("attachments.delete", auth(), async (ctx) => {
const { id } = ctx.body;
assertPresent(id, "id is required");
const { user } = ctx.state;
const attachment = await Attachment.findByPk(id);
if (!attachment) {
throw NotFoundError();
}
if (attachment.documentId) {
const document = await Document.findByPk(attachment.documentId, {
userId: user.id,
});
authorize(user, "update", document);
}
authorize(user, "delete", attachment);
await attachment.destroy();
await Event.create({
name: "attachments.delete",
teamId: user.teamId,
userId: user.id,
ip: ctx.request.ip,
});
ctx.body = {
success: true,
};
});
router.post("attachments.redirect", auth(), async (ctx) => {
const { id } = ctx.body;
assertPresent(id, "id is required");
const { user } = ctx.state;
const attachment = await Attachment.findByPk(id);
if (!attachment) {
throw NotFoundError();
}
if (attachment.isPrivate) {
if (attachment.documentId) {
const document = await Document.findByPk(attachment.documentId, {
userId: user.id,
paranoid: false,
});
authorize(user, "read", document);
}
const accessUrl = await getSignedUrl(attachment.key);
ctx.redirect(accessUrl);
} else {
ctx.redirect(attachment.canonicalUrl);
}
});
export default router;