feat(0.1.0): initial release0.1.0

1 files changed, 135 insertions, 0 deletions

diff --git a/key.ts b/key.ts
new file mode 100644
index 0000000..8513b5e
--- /dev/null
+++ b/key.ts
@@ -0,0 +1,135 @@
+// 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
+
+/** An OpenSSL keypair config for use with `generateKey` */
+export interface KeyConfig {
+  /**
+   * The subject of an OpenSSL keypair
+   * @default "CN=localhost"
+   */
+  subj?: string;
+  /**
+   * The elliptic curve of an OpenSSL keypair
+   * @default "secp256k1"
+   */
+  ec_paramgen_curve?: string;
+  /**
+   * The lifetime in days of an OpenSSL keypair
+   * @default "365"
+   */
+  days?: string;
+  /** The output file of an OpenSSL public key */
+  out: string;
+  /** The output file of an OpenSSL private key */
+  keyOut: string;
+  /**
+   * The format of an OpenSSL keypair
+   * @default "pem"
+   */
+  format?: string;
+}
+
+/**
+ * Generate an OpenSSL keypair
+ * @param config The configuration of the OpenSSL keypair
+ */
+export const generateKey = async (
+  config: KeyConfig,
+): Promise<Deno.ProcessStatus> => {
+  return await Deno.run({
+    cmd: [
+      "openssl",
+      "req",
+      "-new",
+      "-subj",
+      config.subj || "/CN=localhost",
+      "-x509",
+      "-newkey",
+      "ec",
+      "-pkeyopt",
+      `ec_paramgen_curve:${config.ec_paramgen_curve || "secp384r1"}`,
+      "-days",
+      config.days || "365",
+      "-nodes",
+      "-out",
+      config.out,
+      "-keyout",
+      config.keyOut,
+      "-inform",
+      config.format || "pem",
+    ],
+    stdout: "piped",
+  }).status();
+};
+
+/** https://stackoverflow.com/a/61868755/14452787 */
+const exists = async (filename: string): Promise<boolean> => {
+  try {
+    await Deno.stat(filename);
+
+    return true;
+  } catch (e) {
+    if (e instanceof Deno.errors.NotFound) {
+      return false;
+    } else {
+      throw e;
+    }
+  }
+};
+
+if (import.meta.main) {
+  const { parse } = await import("https://deno.land/[email protected]/flags/mod.ts");
+
+  await Deno.mkdir(".laurali", { recursive: true });
+
+  const generate = async () => {
+    await generateKey({
+      subj: `/CN=${
+        prompt(
+          "Which common name (hostname) would you like to use for the " +
+            "generated key?",
+        )
+      }`,
+      out: `.laurali/public.pem`,
+      keyOut: `.laurali/private.pem`,
+    });
+  };
+
+  if (
+    (await exists(".laurali/public.pem") ||
+      await exists(".laurali/private.pem")) &&
+    !parse(Deno.args, { "boolean": true }).overwrite
+  ) {
+    const overwrite = prompt(
+      "⚠️  ️A file already exists at .laurali/public.pem or" +
+        ".laurali/private.pem.\n   Overwrite? [y/n (y = yes overwrite, n = " +
+        "no keep)]",
+    );
+
+    if (overwrite === "y") {
+      generate();
+    } else {
+      throw new Error(
+        "Requires overwrite permissions to file(s), run again with " +
+          "the --overwrite flag",
+      );
+    }
+  } else {
+    generate();
+  }
+}