feat: add gitea/forgejo support

src/providers/gitea/index.ts

@@ -0,0 +1,20 @@
+import type { Env, WebhookEvent } from "../../types";
+import type { Provider } from "../types";
+import { verifyGiteaSignature } from "./verify";
+import { parseGiteaEvent } from "./parse";
+
+export const giteaProvider: Provider = {
+  id: "gitea",
+
+  matches(headers) {
+    return headers["x-gitea-event"] !== undefined;
+  },
+
+  async verify(body, headers, env: Env) {
+    return verifyGiteaSignature(body, headers["x-gitea-signature"], env.GITEA_WEBHOOK_SECRET);
+  },
+
+  parse(body, headers): WebhookEvent | null {
+    return parseGiteaEvent(headers, body);
+  },
+};