Update base64 to 0.21 (hyperium#127)

Signed-off-by: Ayush Singh <ayushsingh1325@gmail.com>
Co-authored-by: Sean McArthur <sean@seanmonstar.com>

Cargo.toml

@@ -19,8 +19,8 @@ members = [
 
 [dependencies]
 http = "0.2.0"
-headers-core = "0.2"
-base64 = "0.13"
+headers-core = { version = "0.2" }
+base64 = "0.21.3"
 bytes = "1"
 mime = "0.3.14"
 sha1 = "0.10"

src/common/authorization.rs

@@ -1,6 +1,7 @@
 //! Authorization header and types.
 
-use base64;
+use base64::engine::general_purpose::STANDARD as ENGINE;
+use base64::Engine;
 use bytes::Bytes;
 
 use util::HeaderValueString;
@@ -158,7 +159,8 @@ impl Credentials for Basic {
         let bytes = &value.as_bytes()["Basic ".len()..];
         let non_space_pos = bytes.iter().position(|b| *b != b' ')?;
         let bytes = &bytes[non_space_pos..];
-        let bytes = base64::decode(bytes).ok()?;
+
+        let bytes = ENGINE.decode(bytes).ok()?;
 
         let decoded = String::from_utf8(bytes).ok()?;
 
@@ -169,7 +171,7 @@ impl Credentials for Basic {
 
     fn encode(&self) -> HeaderValue {
         let mut encoded = String::from("Basic ");
-        base64::encode_config_buf(&self.decoded, base64::STANDARD, &mut encoded);
+        ENGINE.encode_string(&self.decoded, &mut encoded);
 
         let bytes = Bytes::from(encoded);
         HeaderValue::from_maybe_shared(bytes)

src/common/sec_websocket_accept.rs

@@ -1,4 +1,5 @@
-use base64;
+use base64::engine::general_purpose::STANDARD as ENGINE;
+use base64::Engine;
 use bytes::Bytes;
 use sha1::{Digest, Sha1};
 
@@ -39,7 +40,7 @@ fn sign(key: &[u8]) -> SecWebsocketAccept {
     let mut sha1 = Sha1::default();
     sha1.update(key);
     sha1.update(&b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11"[..]);
-    let b64 = Bytes::from(base64::encode(&sha1.finalize()));
+    let b64 = Bytes::from(ENGINE.encode(&sha1.finalize()));
 
     let val = ::HeaderValue::from_maybe_shared(b64).expect("base64 is a valid value");