fosrl.pangolin/server/routers/gerbil/updateHolePunch.ts

147 lines
4.7 KiB
TypeScript

import { Request, Response, NextFunction } from "express";
import { z } from "zod";
import { clients, newts, olms, Site, sites } from "@server/db/schema";
import { db } from "@server/db";
import { eq } from "drizzle-orm";
import HttpCode from "@server/types/HttpCode";
import createHttpError from "http-errors";
import logger from "@server/logger";
import { fromError } from "zod-validation-error";
import { validateNewtSessionToken } from "@server/auth/sessions/newt";
import { validateOlmSessionToken } from "@server/auth/sessions/olm";
// Define Zod schema for request validation
const updateHolePunchSchema = z.object({
olmId: z.string().optional(),
newtId: z.string().optional(),
token: z.string(),
ip: z.string(),
port: z.number(),
timestamp: z.number()
});
export async function updateHolePunch(
req: Request,
res: Response,
next: NextFunction
): Promise<any> {
try {
// Validate request parameters
const parsedParams = updateHolePunchSchema.safeParse(req.body);
if (!parsedParams.success) {
return next(
createHttpError(
HttpCode.BAD_REQUEST,
fromError(parsedParams.error).toString()
)
);
}
const { olmId, newtId, ip, port, timestamp, token } = parsedParams.data;
// logger.debug(`Got hole punch with ip: ${ip}, port: ${port} for olmId: ${olmId} or newtId: ${newtId}`);
let site: Site | undefined;
if (olmId) {
const { session, olm: olmSession } =
await validateOlmSessionToken(token);
if (!session || !olmSession) {
return next(
createHttpError(HttpCode.UNAUTHORIZED, "Unauthorized")
);
}
if (olmId !== olmSession.olmId) {
logger.warn(`Olm ID mismatch: ${olmId} !== ${olmSession.olmId}`);
return next(
createHttpError(HttpCode.UNAUTHORIZED, "Unauthorized")
);
}
const [olm] = await db
.select()
.from(olms)
.where(eq(olms.olmId, olmId));
if (!olm || !olm.clientId) {
logger.warn(`Olm not found: ${olmId}`);
return next(
createHttpError(HttpCode.NOT_FOUND, "Olm not found")
);
}
const [client] = await db
.update(clients)
.set({
endpoint: `${ip}:${port}`,
lastHolePunch: timestamp
})
.where(eq(clients.clientId, olm.clientId))
.returning();
[site] = await db
.select()
.from(sites)
.where(eq(sites.siteId, client.siteId));
} else if (newtId) {
const { session, newt: newtSession } =
await validateNewtSessionToken(token);
if (!session || !newtSession) {
return next(
createHttpError(HttpCode.UNAUTHORIZED, "Unauthorized")
);
}
if (newtId !== newtSession.newtId) {
logger.warn(`Newt ID mismatch: ${newtId} !== ${newtSession.newtId}`);
return next(
createHttpError(HttpCode.UNAUTHORIZED, "Unauthorized")
);
}
const [newt] = await db
.select()
.from(newts)
.where(eq(newts.newtId, newtId));
if (!newt || !newt.siteId) {
logger.warn(`Newt not found: ${newtId}`);
return next(
createHttpError(HttpCode.NOT_FOUND, "New not found")
);
}
[site] = await db
.update(sites)
.set({
endpoint: `${ip}:${port}`,
lastHolePunch: timestamp
})
.where(eq(sites.siteId, newt.siteId))
.returning();
}
if (!site || !site.endpoint || !site.subnet) {
logger.warn(
`Site not found for olmId: ${olmId} or newtId: ${newtId}`
);
return next(createHttpError(HttpCode.NOT_FOUND, "Site not found"));
}
return res.status(HttpCode.OK).send({
destinationIp: site.subnet.split("/")[0],
destinationPort: site.listenPort
});
} catch (error) {
logger.error(error);
return next(
createHttpError(
HttpCode.INTERNAL_SERVER_ERROR,
"An error occurred..."
)
);
}
}