refactor: add auth prompt handler errors

2 files changed, 13 insertions, 5 deletions

diff --git a/src/auth.rs b/src/auth.rs
index 4af4997..be9680b 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -1,6 +1,5 @@
 //! Deezer API authentication.
 use std::convert::Infallible;
-use std::error::Error;
 use std::fmt::Display;
 use std::net::ToSocketAddrs;
 use std::time::Duration;
@@ -48,7 +47,7 @@ pub struct AuthPromptHandler
     /// Handle for the running authentication prompt handler.
     ///
     /// Finishes when a single authentication has occurred.
-    pub handler: JoinHandle<Result<AuthCode, Box<dyn Error + Send + Sync>>>,
+    pub handler: JoinHandle<Result<AuthCode, AuthPromptHandlerError>>,
 }
 
 impl AuthPromptHandler
@@ -96,7 +95,8 @@ impl AuthPromptHandler
                 } => Ok(auth_code)
             }?;
 
-            Ok(opt_auth_code.map_or_else(|| Err("No auth code was received"), Ok)?)
+            opt_auth_code
+                .map_or_else(|| Err(AuthPromptHandlerError::NoAuthCodeReceived), Ok)
         });
 
         Ok(Self {
diff --git a/src/errors/auth.rs b/src/errors/auth.rs
index a165e05..b11021c 100644
--- a/src/errors/auth.rs
+++ b/src/errors/auth.rs
@@ -4,11 +4,19 @@
 #[derive(Debug, thiserror::Error)]
 pub enum AuthPromptHandlerError
 {
-    /// HTTP server failed to bind to a address.
-    #[error("HTTP server failed to bind to address")]
+    /// Web server failed to bind to a address.
+    #[error("Web server failed to bind to address")]
     BindAddressFailed,
 
     /// Invalid address.
     #[error("Invalid address")]
     InvalidAddress,
+
+    /// Web server failed.
+    #[error("Web server failed")]
+    WebServerFailed(#[from] hyper::Error),
+
+    /// No authentication code was received.
+    #[error("No authentication code was received")]
+    NoAuthCodeReceived,
 }