chore(web): Update to base64 0.21 (#1235)

tonic-web/tests/integration/Cargo.toml

@@ -7,7 +7,7 @@ version = "0.1.0"
 license = "MIT"
 
 [dependencies]
-base64 = "0.13"
+base64 = "0.21"
 bytes = "1.0"
 hyper = "0.14"
 prost = "0.11"

tonic-web/tests/integration/src/lib.rs

@@ -67,3 +67,22 @@ impl Test for Svc {
         ))
     }
 }
+
+pub mod util {
+    pub mod base64 {
+        use base64::{
+            alphabet,
+            engine::{
+                general_purpose::{GeneralPurpose, GeneralPurposeConfig},
+                DecodePaddingMode,
+            },
+        };
+
+        pub const STANDARD: GeneralPurpose = GeneralPurpose::new(
+            &alphabet::STANDARD,
+            GeneralPurposeConfig::new()
+                .with_encode_padding(true)
+                .with_decode_padding_mode(DecodePaddingMode::Indifferent),
+        );
+    }
+}

tonic-web/tests/integration/tests/grpc_web.rs

@@ -1,5 +1,6 @@
 use std::net::SocketAddr;
 
+use base64::Engine as _;
 use bytes::{Buf, BufMut, Bytes, BytesMut};
 use hyper::http::{header, StatusCode};
 use hyper::{Body, Client, Method, Request, Uri};
@@ -110,7 +111,9 @@ fn build_request(base_uri: String, content_type: &str, accept: &str) -> Request<
 
     let bytes = match content_type {
         "grpc-web" => encode_body(),
-        "grpc-web-text" => base64::encode(encode_body()).into(),
+        "grpc-web-text" => integration::util::base64::STANDARD
+            .encode(encode_body())
+            .into(),
         _ => panic!("invalid content type {}", content_type),
     };
 
@@ -128,7 +131,10 @@ async fn decode_body(body: Body, content_type: &str) -> (Output, Bytes) {
     let mut body = hyper::body::to_bytes(body).await.unwrap();
 
     if content_type == "application/grpc-web-text+proto" {
-        body = base64::decode(body).unwrap().into()
+        body = integration::util::base64::STANDARD
+            .decode(body)
+            .unwrap()
+            .into()
     }
 
     body.advance(1);