From ed53fbc9097370feeda1c5507878933643a9bcc5 Mon Sep 17 00:00:00 2001
From: Yigit Sever
Date: Sat, 10 Apr 2021 14:16:41 +0300
Subject: Trying to auth

---
 src/error.rs | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/error.rs

(limited to 'src/error.rs')

diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..0db26c4
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,63 @@
+use serde::Serialize;
+use std::convert::Infallible;
+use thiserror::Error;
+use warp::{http::StatusCode, Rejection, Reply};
+
+#[derive(Error, Debug)]
+pub enum Error {
+    // #[error("wrong credentials")]
+    // WrongCredentialsError,
+    #[error("jwt token not valid")]
+    JWTTokenError,
+    // #[error("jwt token creation error")]
+    // JWTTokenCreationError,
+    #[error("no auth header")]
+    NoAuthHeaderError,
+    #[error("invalid auth header")]
+    InvalidAuthHeaderError,
+    // #[error("no permission")]
+    // NoPermissionError,
+}
+
+#[derive(Serialize, Debug)]
+struct ErrorResponse {
+    message: String,
+    status: String,
+}
+
+impl warp::reject::Reject for Error {}
+
+pub async fn handle_rejection(err: Rejection) -> std::result::Result<impl Reply, Infallible> {
+    let (code, message) = if err.is_not_found() {
+        (StatusCode::NOT_FOUND, "Not Found".to_string())
+    } else if let Some(e) = err.find::<Error>() {
+        match e {
+            // Error::WrongCredentialsError => (StatusCode::FORBIDDEN, e.to_string()),
+            // Error::NoPermissionError => (StatusCode::UNAUTHORIZED, e.to_string()),
+            Error::JWTTokenError => (StatusCode::UNAUTHORIZED, e.to_string()),
+            // Error::JWTTokenCreationError => (
+            //     StatusCode::INTERNAL_SERVER_ERROR,
+            //     "Internal Server Error".to_string(),
+            // ),
+            _ => (StatusCode::BAD_REQUEST, e.to_string()),
+        }
+    } else if err.find::<warp::reject::MethodNotAllowed>().is_some() {
+        (
+            StatusCode::METHOD_NOT_ALLOWED,
+            "Method Not Allowed".to_string(),
+        )
+    } else {
+        eprintln!("unhandled error: {:?}", err);
+        (
+            StatusCode::INTERNAL_SERVER_ERROR,
+            "Internal Server Error".to_string(),
+        )
+    };
+
+    let json = warp::reply::json(&ErrorResponse {
+        status: code.to_string(),
+        message,
+    });
+
+    Ok(warp::reply::with_status(json, code))
+}
-- 
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