feat(server): optional http proxy redirectHEAD0.1.2main

4 files changed, 70 insertions, 9 deletions

diff --git a/examples/my_cool_server.ts b/examples/my_cool_server.ts
index 793e01f..d633e10 100644
--- a/examples/my_cool_server.ts
+++ b/examples/my_cool_server.ts
@@ -77,4 +77,10 @@ class MyCoolServer extends Server {
   }
 }
 
-(new MyCoolServer(".laurali/public.pem", ".laurali/private.pem")).listen();
+(new MyCoolServer(".laurali/public.pem", ".laurali/private.pem", {
+  proxy: {
+    enable: true,
+    baseURL: "https://fuwn.me/proxy/",
+    hostname: "fuwn.me",
+  },
+})).listen();
diff --git a/laurali/configuration.ts b/laurali/configuration.ts
new file mode 100644
index 0000000..4904310
--- /dev/null
+++ b/laurali/configuration.ts
@@ -0,0 +1,43 @@
+// This file is part of Laurali <https://github.com/gemrest/laurali>.
+// Copyright (C) 2022-2022 Fuwn <[email protected]>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 3.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// Copyright (C) 2022-2022 Fuwn <[email protected]>
+// SPDX-License-Identifier: GPL-3.0-only
+
+/** Configuration options of a `Server`'s HTTP proxy */
+export interface ProxyConfiguration {
+  /** Allow Laurali to proxy */
+  enable?: boolean;
+  /**
+   * The base URL of the HTTP proxy server
+   * @default "https://fuwn/me/proxy/"
+   */
+  baseURL?: string;
+  /**
+   * The hostname of **this** Laurali server
+   * @default ServerConfiguration.hostname
+   */
+  hostname?: string;
+}
+
+/** Configuration options of a `Server` */
+export interface ServerConfiguration {
+  /** The port a `Server` will listen on */
+  port?: number;
+  /** The hostname a `Server` will identify as */
+  hostname?: string;
+  /** Proxy your Gemini content by specifying an HTTP proxy */
+  proxy?: ProxyConfiguration;
+}
diff --git a/laurali/mod.ts b/laurali/mod.ts
index 39c6389..6a5c854 100644
--- a/laurali/mod.ts
+++ b/laurali/mod.ts
@@ -16,6 +16,7 @@
 // Copyright (C) 2022-2022 Fuwn <[email protected]>
 // SPDX-License-Identifier: GPL-3.0-only
 
+export * from "./configuration.ts";
 export * from "./decorators.ts";
 export * from "./hooks.ts";
 export * from "./server.ts";
diff --git a/laurali/server.ts b/laurali/server.ts
index b647dc2..f8c641f 100644
--- a/laurali/server.ts
+++ b/laurali/server.ts
@@ -16,16 +16,9 @@
 // Copyright (C) 2022-2022 Fuwn <[email protected]>
 // SPDX-License-Identifier: GPL-3.0-only
 
+import { ServerConfiguration } from "./configuration.ts";
 import { Hook } from "./hooks.ts";
 
-/** Configuration options of a `Server` */
-export interface ServerConfiguration {
-  /** The port a `Server` will listen on */
-  port?: number;
-  /** The hostname a `Server` will identify as */
-  hostname?: string;
-}
-
 /** The base Laurali server to be extended upon */
 export abstract class Server {
   /**
@@ -65,6 +58,24 @@ export abstract class Server {
       certFile,
       keyFile,
     });
+
+    if (config?.proxy?.enable) {
+      if (config.proxy.baseURL === undefined) {
+        throw new Error("ProxyConfiguration is missing proxy baseURL");
+      }
+
+      this.#proxy(config.proxy.baseURL, config.proxy.hostname || hostname);
+    }
+  }
+
+  async #proxy(baseURL: string, host: string) {
+    const server = Deno.listen({ port: 8080 });
+
+    for await (const c of server) {
+      for await (const r of Deno.serveHttp(c)) {
+        r.respondWith(Response.redirect(baseURL + host));
+      }
+    }
   }
 
   /** Add a route function to the `Server` */