67 lines
1.9 KiB
JavaScript
67 lines
1.9 KiB
JavaScript
import express from "express";
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import crypto from "node:crypto";
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import { postPRComment } from "./gitea.js";
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import { reviewPullRequest } from "./runner.js";
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import { startMatrixBot } from "./matrixBot.js";
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const app = express();
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app.use(
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express.json({
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verify: (req, _res, buf) => {
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req.rawBody = buf;
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},
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})
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);
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const PORT = process.env.PORT || 3001;
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const WEBHOOK_SECRET = process.env.GITEA_WEBHOOK_SECRET;
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function verifySignature(req) {
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if (!WEBHOOK_SECRET) return false;
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const sig = req.get("X-Gitea-Signature");
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if (!sig) return false;
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const expected = crypto.createHmac("sha256", WEBHOOK_SECRET).update(req.rawBody).digest("hex");
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const sigBuf = Buffer.from(sig, "hex");
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const expBuf = Buffer.from(expected, "hex");
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return sigBuf.length === expBuf.length && crypto.timingSafeEqual(sigBuf, expBuf);
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}
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app.get("/healthz", (_req, res) => res.send("ok"));
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app.post("/webhooks/gitea", async (req, res) => {
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if (!verifySignature(req)) {
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return res.status(401).send("bad signature");
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}
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// Ack immediately — Gitea has a short webhook timeout and the review itself takes a while.
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res.status(202).send("accepted");
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const event = req.get("X-Gitea-Event");
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const body = req.body;
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try {
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if (event === "pull_request" && ["opened", "synchronize"].includes(body.action)) {
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const { repository, pull_request: pr } = body;
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const [owner, repo] = repository.full_name.split("/");
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const review = await reviewPullRequest({
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owner,
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repo,
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ref: pr.head.sha,
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cloneUrl: repository.clone_url,
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prTitle: pr.title,
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prBody: pr.body || "",
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});
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await postPRComment(owner, repo, pr.number, review);
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}
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} catch (err) {
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console.error("webhook handling failed:", err);
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}
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});
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app.listen(PORT, () => {
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console.log(`claude-agent listening on :${PORT}`);
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});
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startMatrixBot().catch((err) => {
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console.error("matrix bot failed to start:", err);
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});
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