Support missing Accept headers

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "actix-webfinger"
 description = "Types and helpers to create and fetch Webfinger resources"
-version = "0.3.0-alpha.2"
+version = "0.3.0-alpha.3"
 license = "GPL-3.0"
 authors = ["asonix <asonix@asonix.dog>"]
 repository = "https://git.asonix.dog/Aardwolf/actix-webfinger"

examples/resolver.rs

@@ -32,7 +32,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
     HttpServer::new(|| {
         App::new()
             .data(MyState {
-                domain: "asonix.dog".to_owned(),
+                domain: "localhost:8000".to_owned(),
             })
             .service(actix_webfinger::resource::<_, MyResolver>())
     })

src/lib.rs

@@ -135,9 +135,9 @@ pub struct WebfingerGuard;
 
 impl Guard for WebfingerGuard {
     fn check(&self, request: &RequestHead) -> bool {
-        if let Some(val) = request.headers().get("Accept") {
+        let valid_accept = if let Some(val) = request.headers().get("Accept") {
             if let Ok(s) = val.to_str() {
-                return s.split(",").any(|v| {
+                s.split(",").any(|v| {
                     let v = if let Some(index) = v.find(';') {
                         v.split_at(index).0
                     } else {
@@ -145,15 +145,22 @@ impl Guard for WebfingerGuard {
                     };
                     let trimmed = v.trim();
 
+                    // The following accept mimes are valid
                     trimmed == "application/jrd+json"
                         || trimmed == "application/json"
                         || trimmed == "application/*"
                         || trimmed == "*/*"
-                }) && request.method == Method::GET;
+                })
+            } else {
+                // unparsable accept headers are not valid
+                false
             }
-        }
+        } else {
+            // no accept header is valid i guess
+            true
+        };
 
-        false
+        valid_accept && request.method == Method::GET
     }
 }