feat: add random string gen util

src/utils.rs

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022  Aravinth Manivannan <realaravinth@batsense.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+/// Get random string of specific length
+pub(crate) fn get_random(len: usize) -> String {
+    use rand::{distributions::Alphanumeric, rngs::ThreadRng, thread_rng, Rng};
+    use std::iter;
+
+    let mut rng: ThreadRng = thread_rng();
+
+    iter::repeat(())
+        .map(|()| rng.sample(Alphanumeric))
+        .map(char::from)
+        .take(len)
+        .collect::<String>()
+}