Issue tokens to initialize VNC connections

virtweb_backend/src/utils/mod.rs

@@ -1,2 +1,4 @@
 pub mod files_utils;
+pub mod rand_utils;
+pub mod time_utils;
 pub mod url_utils;

virtweb_backend/src/utils/rand_utils.rs

@@ -0,0 +1,12 @@
+use rand::distributions::Alphanumeric;
+use rand::Rng;
+
+/// Generate a random string
+pub fn rand_str(len: usize) -> String {
+    let s: String = rand::thread_rng()
+        .sample_iter(&Alphanumeric)
+        .take(len)
+        .map(char::from)
+        .collect();
+    s
+}

virtweb_backend/src/utils/time_utils.rs

@@ -0,0 +1,15 @@
+use std::time::{SystemTime, UNIX_EPOCH};
+
+/// Get the current time since epoch
+///
+/// ```
+/// use virtweb_backend::utils::time_utils::time;
+///
+/// let time = time();
+/// ```
+pub fn time() -> u64 {
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
+        .as_secs()
+}