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* refactor server Signed-off-by: Jari Kolehmainen <[email protected]> * add multitenancy Signed-off-by: Jari Kolehmainen <[email protected]> * cleanup Signed-off-by: Jari Kolehmainen <[email protected]> * clarify agents key Signed-off-by: Jari Kolehmainen <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| import { IncomingMessage } from "http"; | ||
| import WebSocket from "ws"; | ||
| import { Agent } from "../agent"; | ||
| import { defaultClusterId, TunnelServer } from "../server"; | ||
| import { parseAuthorization, verifyAgentToken } from "../util"; | ||
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| export function handleAgentSocket(req: IncomingMessage, socket: WebSocket, server: TunnelServer) { | ||
| if (!req.headers.authorization) { | ||
| console.log("SERVER: agent did not specify authorization header, closing connection."); | ||
| socket.close(4401); | ||
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| return; | ||
| } | ||
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| const authorization = parseAuthorization(req.headers.authorization); | ||
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| if (authorization?.type !== "bearer") { | ||
| console.log("SERVER: invalid agent token, closing connection."); | ||
| socket.close(4403); | ||
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| return; | ||
| } | ||
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| let clusterId: string; | ||
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| if (server.agentToken) { | ||
| if (authorization.token !== server.agentToken) { | ||
| console.log("SERVER: invalid agent token, closing connection."); | ||
| socket.close(4403); | ||
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| return; | ||
| } | ||
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| clusterId = defaultClusterId; | ||
| } else { | ||
| try { | ||
| const tokenData = verifyAgentToken(authorization.token, server); | ||
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| clusterId = tokenData.sub; | ||
| } catch(error) { | ||
| console.error(error); | ||
| console.log("SERVER: invalid agent jwt token, closing connection."); | ||
| socket.close(4403); | ||
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| return; | ||
| } | ||
| } | ||
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| const agents = server.getAgentsForClusterId(clusterId); | ||
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| console.log("SERVER: agent connected"); | ||
| const publicKey = Buffer.from(req.headers["x-bored-publickey"]?.toString() || "", "base64").toString("utf-8"); | ||
| const agent = new Agent(socket, publicKey); | ||
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| agents.push(agent); | ||
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| socket.on("close", () => { | ||
| console.log("SERVER: agent disconnected"); | ||
| const index = agents.findIndex((agent) => agent.socket === socket); | ||
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| if (index !== -1) { | ||
| agents.splice(index, 1); | ||
| } | ||
| }); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| import { IncomingMessage, ServerResponse } from "http"; | ||
| import { Agent } from "../agent"; | ||
| import { defaultClusterId, TunnelServer } from "../server"; | ||
| import { parseAuthorization, verifyClientToken } from "../util"; | ||
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| export function handleClientPublicKey(req: IncomingMessage, res: ServerResponse, server: TunnelServer) { | ||
| if (!req.headers.authorization) { // old agent | ||
| handleClientDefaultPublicKey(res, server); | ||
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| return; | ||
| } | ||
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| const authorization = parseAuthorization(req.headers.authorization); | ||
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| if (!authorization || !authorization.token) { | ||
| res.writeHead(403); | ||
| res.end(); | ||
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| return; | ||
| } | ||
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| try { | ||
| const tokenData = verifyClientToken(authorization?.token, server); | ||
| const agents = server.getAgentsForClusterId(tokenData.clusterId); | ||
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| respondWithAgentPublicKey(res, agents); | ||
| } catch(error) { | ||
| res.writeHead(4403); | ||
| res.end(); | ||
| } | ||
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| return; | ||
| } | ||
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| function handleClientDefaultPublicKey(res: ServerResponse, server: TunnelServer) { | ||
| const agents = server.getAgentsForClusterId(defaultClusterId); | ||
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| respondWithAgentPublicKey(res, agents); | ||
| } | ||
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| function respondWithAgentPublicKey(res: ServerResponse, agents: Agent[]) { | ||
| if (agents.length === 0) { | ||
| res.writeHead(404); | ||
| res.end(); | ||
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| return; | ||
| } | ||
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| res.writeHead(200); | ||
| res.write(agents[0].publicKey); | ||
| res.end(); | ||
| } |
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