diff --git a/api/src/routes/channels/#channel_id/messages/#message_id/index.ts b/api/src/routes/channels/#channel_id/messages/#message_id/index.ts
index 6d2bf185..8d2bd5cb 100644
--- a/api/src/routes/channels/#channel_id/messages/#message_id/index.ts
+++ b/api/src/routes/channels/#channel_id/messages/#message_id/index.ts
@@ -16,6 +16,8 @@ import multer from "multer";
import { route } from "@fosscord/api";
import { handleMessage, postHandleMessage } from "@fosscord/api";
import { MessageCreateSchema } from "../index";
+import { Snowflake } from "@fosscord/util";
+import { HTTPError } from "lambert-server";
const router = Router();
// TODO: message content/embed string length limit
@@ -91,6 +93,22 @@ router.put(
var body = req.body as MessageCreateSchema;
const attachments: Attachment[] = [];
+ // regex to check if message contains anything other than numerals ( also no decimals )
+ if (!message_id.match(/^\+?\d+$/)) {
+ throw new HTTPError("Message IDs must be positive integers")
+ }
+
+ const snowflake = Snowflake.deconstruct(message_id)
+ if (Date.now() < snowflake.timestamp) {
+ // message is in the future
+ throw new HTTPError("You cannot backfill messages in the future", 400);
+ }
+
+ const exists = await Message.findOne({ where: { id: message_id, channel_id: channel_id }});
+ if (exists) {
+ throw new HTTPError("Cannot backfill to message ID that already exists", 400);
+ }
+
if (req.file) {
try {
const file = await uploadFile(`/attachments/${req.params.channel_id}`, req.file);
@@ -100,8 +118,6 @@ router.put(
}
}
const channel = await Channel.findOneOrFail({ where: { id: channel_id }, relations: ["recipients", "recipients.user"] });
-
- // TODO: check the ID is not from the future, to prevent future-faking of channel histories
const embeds = body.embeds || [];
if (body.embed) embeds.push(body.embed);
@@ -115,11 +131,9 @@ router.put(
channel_id,
attachments,
edited_timestamp: undefined,
- timestamp: undefined, // FIXME: calculate timestamp from snowflake
+ timestamp: new Date(snowflake.timestamp),
});
- channel.last_message_id = message.id;
-
//Fix for the client bug
delete message.member
|