Session webhooks

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33import express from "express";
import OpenAI from "openai";

const app = express();
const webhooks = new OpenAI({
  webhookSecret: process.env.OPENAI_WEBHOOK_SECRET,
});

app.post(
  "/webhooks/openai",
  express.raw({ type: "application/json" }),
  async (request, response) => {
    const payload = request.body.toString("utf8");
    try {
      await webhooks.webhooks.verifySignature(payload, request.headers);
    } catch {
      response.status(400).send("Invalid signature");
      return;
    }
    const event = JSON.parse(payload);
    if (event.type === "agent.session.idle") {
      const session = await webhooks.beta.agents.sessions.retrieve(
        event.data.id
      );
      console.log("session idle event:", session.id);
    } else {
      console.log("session event:", event.type, event.data.id);
    }
    response.sendStatus(200);
  }
);

app.listen(Number(process.env.PORT ?? 8000));

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54import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"os"

	"github.com/openai/openai-go/v3"
)

client := openai.NewClient()
http.HandleFunc("/webhooks/openai", func(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		w.WriteHeader(http.StatusMethodNotAllowed)
		return
	}
	body, err := io.ReadAll(r.Body)
	if err != nil {
		http.Error(w, "Invalid body", http.StatusBadRequest)
		return
	}
	if err := client.Webhooks.VerifySignature(body, r.Header); err != nil {
		http.Error(w, "Invalid signature", http.StatusBadRequest)
		return
	}
	var event struct {
		Type string `json:"type"`
		Data struct {
			ID string `json:"id"`
		} `json:"data"`
	}
	if err := json.Unmarshal(body, &event); err != nil {
		http.Error(w, "Invalid JSON", http.StatusBadRequest)
		return
	}
	if event.Type == "agent.session.idle" {
		session, err := client.Beta.Agents.Sessions.Get(r.Context(), event.Data.ID)
		if err != nil {
			http.Error(w, "Could not retrieve session", http.StatusInternalServerError)
			return
		}
		fmt.Println("session idle event:", session.ID)
	} else {
		fmt.Println("session event:", event.Type, event.Data.ID)
	}
	w.WriteHeader(http.StatusOK)
})
port := os.Getenv("PORT")
if port == "" {
	port = "8000"
}
if err := http.ListenAndServe(":"+port, nil); err != nil {
	panic(err)
}

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56import com.fasterxml.jackson.databind.json.JsonMapper;
import com.openai.client.OpenAIClient;
import com.openai.client.okhttp.OpenAIOkHttpClient;
import com.openai.core.http.Headers;
import com.openai.errors.InvalidWebhookSignatureException;
import com.openai.models.webhooks.WebhookVerificationParams;
import com.sun.net.httpserver.HttpServer;
import java.net.InetSocketAddress;
import java.nio.charset.StandardCharsets;

OpenAIClient client = OpenAIOkHttpClient.fromEnv();
var json = new JsonMapper();
int port = Integer.parseInt(System.getenv().getOrDefault("PORT", "8000"));
var server = HttpServer.create(new InetSocketAddress(port), 0);
server.createContext(
    "/webhooks/openai",
    exchange -> {
      try (exchange) {
        if (!exchange.getRequestMethod().equals("POST")) {
          exchange.sendResponseHeaders(405, -1);
          return;
        }
        String payload =
            new String(exchange.getRequestBody().readAllBytes(), StandardCharsets.UTF_8);
        try {
          client
              .webhooks()
              .verifySignature(
                  WebhookVerificationParams.builder()
                      .payload(payload)
                      .headers(Headers.builder().putAll(exchange.getRequestHeaders()).build())
                      .build());
        } catch (InvalidWebhookSignatureException e) {
          exchange.sendResponseHeaders(400, -1);
          return;
        }
        var event = json.readTree(payload);
        if (event.path("type").asText().equals("agent.session.idle")) {
          var session =
              client
                  .beta()
                  .agents()
                  .sessions()
                  .retrieve(event.path("data").path("id").asText());
          System.out.println("session idle event: " + session.id());
        } else {
          System.out.println(
              "session event: "
                  + event.path("type").asText()
                  + " "
                  + event.path("data").path("id").asText());
        }
        exchange.sendResponseHeaders(200, -1);
      }
    });
server.start();

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30require "openai"
require "webrick"
require "json"

client = OpenAI::Client.new
server = WEBrick::HTTPServer.new(Port: Integer(ENV.fetch("PORT", "8000")))
server.mount_proc "/webhooks/openai" do |request, response|
  if request.request_method != "POST"
    response.status = 405
    next
  end
  payload = request.body
  begin
    client.webhooks.verify_signature(payload, request.header.transform_values(&:first))
  rescue OpenAI::Errors::InvalidWebhookSignatureError
    response.status = 400
    response.body = "Invalid signature"
    next
  end
  event = JSON.parse(payload)
  if event["type"] == "agent.session.idle"
    session = client.beta.agents.sessions.retrieve(event.fetch("data").fetch("id"))
    puts "session idle event: #{session.id}"
  else
    puts "session event: #{event["type"]} #{event.dig("data", "id")}"
  end
  response.status = 200
end
trap("INT") { server.shutdown }
server.start