Upgrade deps

Cargo.toml

@@ -26,7 +26,7 @@ gzip = ["flate2"]
 brotli = ["brotli-decompressor"]
 
 [dependencies]
-base64 = "0.13"
+base64 = "0.21"
 cookie = { version = "0.16", default-features = false, optional = true}
 once_cell = "1"
 url = "2"

src/proxy.rs

@@ -1,3 +1,5 @@
+use base64::{prelude::BASE64_STANDARD, Engine};
+
 use crate::error::{Error, ErrorKind};
 
 /// Proxy protocol
@@ -131,7 +133,7 @@ impl Proxy {
 
     pub(crate) fn connect<S: AsRef<str>>(&self, host: S, port: u16) -> String {
         let authorization = if self.use_authorization() {
-            let creds = base64::encode(format!(
+            let creds = BASE64_STANDARD.encode(format!(
                 "{}:{}",
                 self.user.clone().unwrap_or_default(),
                 self.password.clone().unwrap_or_default()

src/unit.rs

@@ -3,6 +3,7 @@ use std::io::{self, Write};
 use std::ops::Range;
 use std::time;
 
+use base64::{prelude::BASE64_STANDARD, Engine};
 use log::debug;
 use url::Url;
 
@@ -87,7 +88,7 @@ impl Unit {
             if (!username.is_empty() || !password.is_empty())
                 && get_header(&headers, "authorization").is_none()
             {
-                let encoded = base64::encode(format!("{}:{}", username, password));
+                let encoded = BASE64_STANDARD.encode(format!("{}:{}", username, password));
                 extra.push(Header::new("Authorization", &format!("Basic {}", encoded)));
             }