first public version

src/http.rs

@@ -0,0 +1,22 @@
+use std::{
+    fs::File,
+};
+
+use super::rust_util::{
+    copy_io,
+    XResult,
+};
+
+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,
+        Some(len_value) => len_value.to_str().unwrap().parse::<i64>().unwrap(),
+    };
+    copy_io(&mut response, dest, header_content_length)?;
+    Ok(())
+}
+
+pub fn get_url(url: &str) -> XResult<String> {
+    Ok(reqwest::get(url)?.text()?)
+}