Remove no_verify feature flag in favor of cfg(target_arch)

Cargo.toml

@@ -30,8 +30,6 @@ criterion = "0.3"
 [features]
 default = ["use_pem"]
 use_pem = ["pem", "simple_asn1"]
-no_verify = []
-wasm = ["no_verify"]
 
 [[bench]]
 name = "jwt"

src/decoding.rs

@@ -1,7 +1,7 @@
 use serde::de::DeserializeOwned;
 
 use crate::algorithms::AlgorithmFamily;
-#[cfg(not(feature = "no_verify"))]
+#[cfg(not(target_arch = "wasm32"))]
 use crate::crypto::verify;
 use crate::errors::{new_error, ErrorKind, Result};
 use crate::header::Header;
@@ -165,7 +165,10 @@ fn verify_signature<'a>(
         }
     }
 
+    #[cfg(not(target_arch = "wasm32"))]
     let (signature, message) = expect_two!(token.rsplitn(2, '.'));
+    #[cfg(target_arch = "wasm32")]
+    let (_, message) = expect_two!(token.rsplitn(2, '.'));
     let (payload, header) = expect_two!(message.rsplitn(2, '.'));
     let header = Header::from_encoded(header)?;
 
@@ -174,11 +177,11 @@ fn verify_signature<'a>(
     }
 
     if validation.validate_signature {
-        #[cfg(not(feature = "no_verify"))]
+        #[cfg(not(target_arch = "wasm32"))]
         if !verify(signature, message.as_bytes(), key, header.alg)? {
             return Err(new_error(ErrorKind::InvalidSignature));
         }
-        #[cfg(feature = "no_verify")]
+        #[cfg(target_arch = "wasm32")]
         return Err(new_error(ErrorKind::VerificationNotSupported));
     }
 

src/errors.rs

@@ -79,8 +79,7 @@ pub enum ErrorKind {
     /// Something unspecified went wrong with crypto
     Crypto(::ring::error::Unspecified),
 
-    /// Verification is disabled by the feature flag `no_verify`.
+    /// Verification is disabled because the target does not support it.
-    #[cfg(feature = "no_verify")]
     VerificationNotSupported,
 }
 
@@ -106,7 +105,6 @@ impl StdError for Error {
             ErrorKind::Json(ref err) => Some(err.as_ref()),
             ErrorKind::Utf8(ref err) => Some(err),
             ErrorKind::Crypto(ref err) => Some(err),
-            #[cfg(feature = "no_verify")]
             ErrorKind::VerificationNotSupported => None,
         }
     }
@@ -134,7 +132,6 @@ impl fmt::Display for Error {
             ErrorKind::Utf8(ref err) => write!(f, "UTF-8 error: {}", err),
             ErrorKind::Crypto(ref err) => write!(f, "Crypto error: {}", err),
             ErrorKind::Base64(ref err) => write!(f, "Base64 error: {}", err),
-            #[cfg(feature = "no_verify")]
             ErrorKind::VerificationNotSupported => write!(f, "{:?}", self.0),
         }
     }