Add Northflank connection support

- Introduced Northflank as a new app connection option, including API token authentication.
- Implemented connection schemas, validation, and service functions for Northflank.
- Updated API documentation to include Northflank endpoints and integration instructions.
- Added frontend components for creating and managing Northflank connections.

backend/src/server/routes/v1/app-connection-routers/app-connection-router.ts

@@ -88,6 +88,10 @@ import {
   NetlifyConnectionListItemSchema,
   SanitizedNetlifyConnectionSchema
 } from "@app/services/app-connection/netlify";
+import {
+  NorthflankConnectionListItemSchema,
+  SanitizedNorthflankConnectionSchema
+} from "@app/services/app-connection/northflank";
 import { OktaConnectionListItemSchema, SanitizedOktaConnectionSchema } from "@app/services/app-connection/okta";
 import {
   PostgresConnectionListItemSchema,
@@ -160,6 +164,7 @@ const SanitizedAppConnectionSchema = z.union([
   ...SanitizedSupabaseConnectionSchema.options,
   ...SanitizedDigitalOceanConnectionSchema.options,
   ...SanitizedNetlifyConnectionSchema.options,
+  ...SanitizedNorthflankConnectionSchema.options,
   ...SanitizedOktaConnectionSchema.options,
   ...SanitizedAzureADCSConnectionSchema.options,
   ...SanitizedRedisConnectionSchema.options,
@@ -203,6 +208,7 @@ const AppConnectionOptionsSchema = z.discriminatedUnion("app", [
   SupabaseConnectionListItemSchema,
   DigitalOceanConnectionListItemSchema,
   NetlifyConnectionListItemSchema,
+  NorthflankConnectionListItemSchema,
   OktaConnectionListItemSchema,
   AzureADCSConnectionListItemSchema,
   RedisConnectionListItemSchema,

backend/src/server/routes/v1/app-connection-routers/index.ts

@@ -29,6 +29,7 @@ import { registerLdapConnectionRouter } from "./ldap-connection-router";
 import { registerMsSqlConnectionRouter } from "./mssql-connection-router";
 import { registerMySqlConnectionRouter } from "./mysql-connection-router";
 import { registerNetlifyConnectionRouter } from "./netlify-connection-router";
+import { registerNorthflankConnectionRouter } from "./northflank-connection-router";
 import { registerOktaConnectionRouter } from "./okta-connection-router";
 import { registerPostgresConnectionRouter } from "./postgres-connection-router";
 import { registerRailwayConnectionRouter } from "./railway-connection-router";
@@ -83,6 +84,7 @@ export const APP_CONNECTION_REGISTER_ROUTER_MAP: Record<AppConnection, (server:
     [AppConnection.Supabase]: registerSupabaseConnectionRouter,
     [AppConnection.DigitalOcean]: registerDigitalOceanConnectionRouter,
     [AppConnection.Netlify]: registerNetlifyConnectionRouter,
+    [AppConnection.Northflank]: registerNorthflankConnectionRouter,
     [AppConnection.Okta]: registerOktaConnectionRouter,
     [AppConnection.Redis]: registerRedisConnectionRouter
   };

backend/src/server/routes/v1/app-connection-routers/northflank-connection-router.ts

@@ -0,0 +1,54 @@
+import { z } from "zod";
+
+import { readLimit } from "@app/server/config/rateLimiter";
+import { verifyAuth } from "@app/server/plugins/auth/verify-auth";
+import { AppConnection } from "@app/services/app-connection/app-connection-enums";
+import {
+  CreateNorthflankConnectionSchema,
+  SanitizedNorthflankConnectionSchema,
+  UpdateNorthflankConnectionSchema
+} from "@app/services/app-connection/northflank";
+import { AuthMode } from "@app/services/auth/auth-type";
+
+import { registerAppConnectionEndpoints } from "./app-connection-endpoints";
+
+export const registerNorthflankConnectionRouter = async (server: FastifyZodProvider) => {
+  registerAppConnectionEndpoints({
+    app: AppConnection.Northflank,
+    server,
+    sanitizedResponseSchema: SanitizedNorthflankConnectionSchema,
+    createSchema: CreateNorthflankConnectionSchema,
+    updateSchema: UpdateNorthflankConnectionSchema
+  });
+
+  // The below endpoints are not exposed and for Infisical App use
+  server.route({
+    method: "GET",
+    url: `/:connectionId/projects`,
+    config: {
+      rateLimit: readLimit
+    },
+    schema: {
+      params: z.object({
+        connectionId: z.string().uuid()
+      }),
+      response: {
+        200: z.object({
+          projects: z
+            .object({
+              name: z.string(),
+              id: z.string()
+            })
+            .array()
+        })
+      }
+    },
+    onRequest: verifyAuth([AuthMode.JWT]),
+    handler: async (req) => {
+      const { connectionId } = req.params;
+      const projects = await server.services.appConnection.northflank.listProjects(connectionId, req.permission);
+      return { projects };
+    }
+  });
+};
+