Can download ISO file by URL

virtweb_backend/src/utils/mod.rs

@@ -1 +1,2 @@
 pub mod files_utils;
+pub mod url_utils;

virtweb_backend/src/utils/url_utils.rs

@@ -0,0 +1,58 @@
+use std::fmt::Display;
+use url::Url;
+
+/// Check out whether a URL is valid or not
+pub fn check_url(url: impl Display) -> bool {
+    match Url::parse(&url.to_string()) {
+        Ok(u) => {
+            if u.scheme() != "http" && u.scheme() != "https" {
+                log::debug!("URL is invalid, scheme is not http or https!");
+                return false;
+            }
+
+            if u.port_or_known_default() != Some(443) && u.port_or_known_default() != Some(80) {
+                log::debug!("URL is invalid, port is not 80 or 443!");
+                return false;
+            }
+
+            true
+        }
+        Err(e) => {
+            log::debug!("URL is invalid, could not be parsed! {e}");
+            false
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use crate::utils::url_utils::check_url;
+
+    #[test]
+    fn valid_url_ubuntu() {
+        assert!(check_url(
+            "https://releases.ubuntu.com/22.04.3/ubuntu-22.04.3-desktop-amd64.iso"
+        ));
+    }
+
+    #[test]
+    fn valid_url_with_port_ubuntu() {
+        assert!(check_url(
+            "https://releases.ubuntu.com:443/22.04.3/ubuntu-22.04.3-desktop-amd64.iso"
+        ));
+    }
+
+    #[test]
+    fn invalid_valid_url_ftp() {
+        assert!(!check_url(
+            "ftp://releases.ubuntu.com/22.04.3/ubuntu-22.04.3-desktop-amd64.iso"
+        ));
+    }
+
+    #[test]
+    fn invalid_valid_bad_port() {
+        assert!(!check_url(
+            "http://releases.ubuntu.com:81/22.04.3/ubuntu-22.04.3-desktop-amd64.iso"
+        ));
+    }
+}