feat: preliminary peer api

package.json

@@ -17,7 +17,7 @@
   },
   "dependencies": {
     "@drop-oss/droplet": "^0.7.2",
-    "@drop-oss/headscalez": "^0.0.3",
+    "@drop-oss/headscalez": "0.0.4",
     "@headlessui/vue": "^1.7.23",
     "@heroicons/vue": "^2.1.5",
     "@nuxt/fonts": "^0.11.0",

server/api/v1/client/peer/index.get.ts

@@ -0,0 +1,20 @@
+import { ClientCapabilities } from "~/prisma/client";
+import { defineClientEventHandler } from "~/server/internal/clients/event-handler";
+import headscaleManager from "~/server/internal/p2p/headscale";
+
+export default defineClientEventHandler(async (h3, { fetchClient }) => {
+  const client = await fetchClient();
+  if (!client.capabilities.includes(ClientCapabilities.PeerAPI))
+    throw createError({
+      statusCode: 403,
+      statusMessage: "Capability not allowed.",
+    });
+
+  if (!headscaleManager.enabled())
+    throw createError({
+      statusCode: 500,
+      statusMessage: "Peer network not available.",
+    });
+
+  return headscaleManager.configuration();
+});

server/api/v1/client/peer/index.post.ts

@@ -0,0 +1,26 @@
+import { ClientCapabilities } from "~/prisma/client";
+import { defineClientEventHandler } from "~/server/internal/clients/event-handler";
+import headscaleManager from "~/server/internal/p2p/headscale";
+
+export default defineClientEventHandler(
+  async (h3, { fetchClient, fetchUser }) => {
+    const client = await fetchClient();
+    if (!client.capabilities.includes(ClientCapabilities.PeerAPI))
+      throw createError({
+        statusCode: 403,
+        statusMessage: "Capability not allowed.",
+      });
+
+    if (!headscaleManager.enabled())
+      throw createError({
+        statusCode: 500,
+        statusMessage: "Peer network not available.",
+      });
+
+    const user = await fetchUser();
+
+    const key = await headscaleManager.createPreauthKey(user, client);
+
+    return key;
+  },
+);

server/internal/p2p/headscale.ts

@@ -1,9 +1,12 @@
 import type { HeadscaleService } from "@drop-oss/headscalez";
-import { startHeadscale } from "@drop-oss/headscalez";
+import { HeadscaleControlService, startHeadscale } from "@drop-oss/headscalez";
 import { systemConfig } from "../config/sys-conf";
+import type { Client, User } from "~/prisma/client";
 
 export class HeadscaleManager {
+  private controlURL?: string;
   private headscaleService?: HeadscaleService;
+  private headscaleClient?: HeadscaleControlService;
 
   constructor() {
     this.setup();
@@ -12,17 +15,67 @@ export class HeadscaleManager {
   async setup() {
     const externalUrl = process.env.CONTROL_URL;
     if (externalUrl) {
+      this.controlURL = externalUrl;
       const headscale = await startHeadscale({
         externalUrl,
         dir: systemConfig.getHeadscaleFolder(),
       });
       this.headscaleService = headscale;
+      this.headscaleClient = new HeadscaleControlService(headscale);
     }
   }
 
   enabled() {
     return !!this.headscaleService;
   }
+
+  configuration() {
+    if (!this.controlURL) throw new Error("Headscale not available");
+    return {
+      controlURL: this.controlURL,
+    };
+  }
+
+  private async fetchUser(user: User) {
+    if (!this.headscaleClient)
+      throw new Error("Headscale client not available");
+    const { response } = await this.headscaleClient.client.listUsers({
+      id: 0n,
+      name: user.id,
+      email: "",
+    });
+
+    if (response.users.length == 0) {
+      const { response } = await this.headscaleClient.client.createUser({
+        name: user.id,
+        displayName: user.displayName,
+        email: user.email,
+        pictureUrl: user.profilePictureObjectId,
+      });
+
+      if (!response.user) throw new Error("Could not create user");
+
+      return response.user;
+    }
+
+    return response.users[0];
+  }
+
+  async createPreauthKey(user: User, client: Client) {
+    if (!this.headscaleClient)
+      throw new Error("Headscale client not available");
+
+    const headscaleUser = await this.fetchUser(user);
+    const { response } = await this.headscaleClient.client.createPreAuthKey({
+      user: headscaleUser.name,
+      reusable: false,
+      ephemeral: false,
+      aclTags: ["client", `user:${user.id}`, `client:${client.id}`],
+    });
+
+    if (!response.preAuthKey) throw new Error("Could not create pre-auth key");
+    return response.preAuthKey;
+  }
 }
 
 export const headscaleManager = new HeadscaleManager();

yarn.lock

@@ -371,11 +371,14 @@
     "@drop-oss/droplet-win32-arm64-msvc" "0.7.2"
     "@drop-oss/droplet-win32-x64-msvc" "0.7.2"
 
-"@drop-oss/headscalez@^0.0.3":
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/@drop-oss/headscalez/-/headscalez-0.0.3.tgz#deb6eae13b9b65cf225bb2e0e84bc47159b4a91e"
-  integrity sha512-Zsl0T/pwJyw7vbLwEUVAf9zXKKTG3qAbUVQEDiRe88bwhzauPG9/MgBBHA2N/9GHXMUFRRDcchPbwGjCcmcJ3Q==
+"@drop-oss/headscalez@0.0.4":
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/@drop-oss/headscalez/-/headscalez-0.0.4.tgz#7558fbbc542d93fb0c69bdcf48917bdae676c62d"
+  integrity sha512-vdDq6Qe/T5S0FKKYdnBXvOh53wGs8nxy6O3ACVyUjTbTGkDn3z5og4joh5TxoAOFodPHRLCihVuroiymS7yNTg==
   dependencies:
+    "@protobuf-ts/grpcweb-transport" "^2.10.0"
+    "@protobuf-ts/runtime" "^2.10.0"
+    "@protobuf-ts/runtime-rpc" "^2.10.0"
     execa "^9.5.3"
     fs-extra "^11.3.0"
     node-graceful-shutdown "^1.1.5"
@@ -1549,6 +1552,26 @@
   dependencies:
     "@prisma/debug" "6.7.0"
 
+"@protobuf-ts/grpcweb-transport@^2.10.0":
+  version "2.10.0"
+  resolved "https://registry.yarnpkg.com/@protobuf-ts/grpcweb-transport/-/grpcweb-transport-2.10.0.tgz#c09f29694ec7dc4fc1107a0bf30d359325939311"
+  integrity sha512-VUyD+8kn4XEfWoEiKjAsWX5XWkt8Gfdp/uquS17yt9hdfMBVx3o5tlXX5ylwfWhcIjbRvkf7WHEEdS2wMuq86Q==
+  dependencies:
+    "@protobuf-ts/runtime" "^2.10.0"
+    "@protobuf-ts/runtime-rpc" "^2.10.0"
+
+"@protobuf-ts/runtime-rpc@^2.10.0":
+  version "2.10.0"
+  resolved "https://registry.yarnpkg.com/@protobuf-ts/runtime-rpc/-/runtime-rpc-2.10.0.tgz#68de8dcc369e56579569a4deafd394cf4683dc66"
+  integrity sha512-8CS/XPv3+pMK4v8UKhtCdvbS4h9l7aqlteKdRt0/UbIKZ8n0qHj6hX8cBhz2ngvohxCOS0N08zPr9aCLBNhW3Q==
+  dependencies:
+    "@protobuf-ts/runtime" "^2.10.0"
+
+"@protobuf-ts/runtime@^2.10.0":
+  version "2.10.0"
+  resolved "https://registry.yarnpkg.com/@protobuf-ts/runtime/-/runtime-2.10.0.tgz#bc90f632647ff2ae72887546ddf3d193f3f43d98"
+  integrity sha512-ypYwGg9Pn3W/2lZ7/HW60hONGuSdzphvOY8Dq7LeNttymDe0y3LaTUUMRpuGqOT6FfrWEMnfQbyqU8AAreo8wA==
+
 "@rollup/plugin-alias@^5.1.1":
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/@rollup/plugin-alias/-/plugin-alias-5.1.1.tgz#53601d88cda8b1577aa130b4a6e452283605bf26"