Chungus 2.0

server/private/routers/gerbil/createExitNode.ts

@@ -0,0 +1,67 @@
+/*
+ * This file is part of a proprietary work.
+ *
+ * Copyright (c) 2025 Fossorial, Inc.
+ * All rights reserved.
+ *
+ * This file is licensed under the Fossorial Commercial License.
+ * You may not use this file except in compliance with the License.
+ * Unauthorized use, copying, modification, or distribution is strictly prohibited.
+ *
+ * This file is not licensed under the AGPLv3.
+ */
+
+import { db, ExitNode, exitNodes } from "@server/db";
+import { getUniqueExitNodeEndpointName } from "@server/db/names";
+import config from "@server/lib/config";
+import { getNextAvailableSubnet } from "@server/lib/exitNodes";
+import logger from "@server/logger";
+import { eq } from "drizzle-orm";
+
+export async function createExitNode(
+    publicKey: string,
+    reachableAt: string | undefined
+) {
+    // Fetch exit node
+    const [exitNodeQuery] = await db
+        .select()
+        .from(exitNodes)
+        .where(eq(exitNodes.publicKey, publicKey));
+    let exitNode: ExitNode;
+    if (!exitNodeQuery) {
+        const address = await getNextAvailableSubnet();
+        // TODO: eventually we will want to get the next available port so that we can multiple exit nodes
+        // const listenPort = await getNextAvailablePort();
+        const listenPort = config.getRawConfig().gerbil.start_port;
+        let subEndpoint = "";
+        if (config.getRawConfig().gerbil.use_subdomain) {
+            subEndpoint = await getUniqueExitNodeEndpointName();
+        }
+
+        const exitNodeName =
+            config.getRawConfig().gerbil.exit_node_name ||
+            `Exit Node ${publicKey.slice(0, 8)}`;
+
+        // create a new exit node
+        [exitNode] = await db
+            .insert(exitNodes)
+            .values({
+                publicKey,
+                endpoint: `${subEndpoint}${subEndpoint != "" ? "." : ""}${config.getRawConfig().gerbil.base_endpoint}`,
+                address,
+                listenPort,
+                reachableAt,
+                name: exitNodeName
+            })
+            .returning()
+            .execute();
+
+        logger.info(
+            `Created new exit node ${exitNode.name} with address ${exitNode.address} and port ${exitNode.listenPort}`
+        );
+    } else {
+        exitNode = exitNodeQuery;
+    }
+
+    return exitNode;
+}