ref

src/http.rs

@@ -1,12 +1,12 @@
 use std::fs::File;
 
 use rust_util::{
+    XResult,
     util_io::copy_io,
     util_msg::{
         print_message,
         MessageType,
     },
-    XResult,
 };
 
 use super::misc::VERBOSE;
@@ -18,7 +18,20 @@ pub fn download_url(url: &str, dest: &mut File) -> XResult<()> {
     let mut response = reqwest::get(url)?;
     let header_content_length: i64 = match response.headers().get("content-length") {
         None => -1_i64,
-        Some(len_value) => len_value.to_str().unwrap().parse::<i64>().unwrap(),
+        Some(len_value) => {
+            let len_str = match len_value.to_str() {
+                Ok(len_str) => len_str, Err(err) => {
+                    print_message(MessageType::WARN, &format!("Get content length for {:?}, error: {}", len_value, err));
+                    "-1"
+                },
+            };
+            match len_str.parse::<i64>() {
+                Ok(len) => len, Err(err) => {
+                    print_message(MessageType::WARN, &format!("Get content length for {:?}, error: {}", len_value, err));
+                    -1
+                }
+            }
+        },
     };
     if *VERBOSE {
         print_message(MessageType::DEBUG, &format!("Content-Length: {}", header_content_length));