Always use JSON for Webfinger

src/activity_pub/webfinger.rs

@@ -6,7 +6,7 @@ pub trait Webfinger {
     fn webfinger_aliases(&self, conn: &PgConnection) -> Vec<String>;
     fn webfinger_links(&self, conn: &PgConnection) -> Vec<Vec<(String, String)>>;
 
-    fn webfinger_json(&self, conn: &PgConnection) -> serde_json::Value {
+    fn webfinger(&self, conn: &PgConnection) -> String {
         json!({
             "subject": self.webfinger_subject(conn),
             "aliases": self.webfinger_aliases(conn),
@@ -17,34 +17,6 @@ pub trait Webfinger {
                 }
                 serde_json::Value::Object(link_obj)
             }).collect::<Vec<serde_json::Value>>()
-        })
-    }
-
-    fn webfinger_xml(&self, conn: &PgConnection) -> String {
-        format!(r#"
-            <?xml version="1.0"?>
-            <XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0">
-            <Subject>{subject}</Subject>
-            {aliases}
-            {links}
-            </XRD>
-            "#,
-            subject = self.webfinger_subject(conn),
-            aliases = self.webfinger_aliases(conn).into_iter().map(|a| {
-                format!("<Alias>{a}</Alias>", a = a)
-            }).collect::<Vec<String>>().join("\n"),
-            links = self.webfinger_links(conn).into_iter().map(|l| {
-                format!("<Link {} />", l.into_iter().map(|prop| {
-                    format!("{}=\"{}\"", prop.0, prop.1)
-                }).collect::<Vec<String>>().join(" "))
-            }).collect::<Vec<String>>().join("\n")
-        )
-    }
-
-    fn webfinger(&self, format: &'static str, conn: &PgConnection) -> String {
-        match format {
-            "json" => self.webfinger_json(conn).to_string(),
-            _ => self.webfinger_xml(conn)
-        }
+        }).to_string()
     }
 }

src/main.rs

@@ -54,8 +54,7 @@ fn main() {
     rocket::ignite()
         .mount("/", routes![
             routes::well_known::host_meta,
-            routes::well_known::webfinger_json,
-            routes::well_known::webfinger_xml,
+            routes::well_known::webfinger,
 
             routes::instance::configure,
             routes::instance::post_config,

src/routes/well_known.rs

@@ -1,3 +1,6 @@
+use rocket::http::ContentType;
+use rocket::response::Content;
+
 use activity_pub::webfinger::Webfinger;
 use db_conn::DbConn;
 use models::blogs::Blog;
@@ -20,17 +23,8 @@ struct WebfingerQuery {
     resource: String
 }
 
-#[get("/.well-known/webfinger?<query>", format = "application/jrd+json")]
-fn webfinger_json(query: WebfingerQuery, conn: DbConn) -> Result<String, &'static str> {
-    webfinger(query, conn, "json")
-}
-
-#[get("/.well-known/webfinger?<query>", format = "application/xrd+xml")]
-fn webfinger_xml(query: WebfingerQuery, conn: DbConn) -> Result<String, &'static str> {
-    webfinger(query, conn, "xml")
-}
-
-fn webfinger(query: WebfingerQuery, conn: DbConn, format: &'static str) -> Result<String, &'static str> {
+#[get("/.well-known/webfinger?<query>")]
+fn webfinger(query: WebfingerQuery, conn: DbConn) -> Content<Result<String, &'static str>> {
     let mut parsed_query = query.resource.split(":");
     println!("{:?}", parsed_query.clone().collect::<Vec<&str>>());
     let res_type = parsed_query.next().unwrap();
@@ -43,17 +37,18 @@ fn webfinger(query: WebfingerQuery, conn: DbConn, format: &'static str) -> Resul
         let domain = Instance::get_local(&*conn).unwrap().public_domain;
 
         if res_dom == domain {
-            match User::find_by_name(&*conn, String::from(user)) {
-                Some(usr) => Ok(usr.webfinger(format, &*conn)),
+            let res = match User::find_by_name(&*conn, String::from(user)) {
+                Some(usr) => Ok(usr.webfinger(&*conn)),
                 None => match Blog::find_by_actor_id(&*conn, String::from(user)) {
-                    Some(blog) => Ok(blog.webfinger(format, &*conn)),
+                    Some(blog) => Ok(blog.webfinger(&*conn)),
                     None => Err("Requested actor not found")
                 }
-            }
+            };
+            Content(ContentType::new("application", "jrd+json"), res)            
         } else {
-            Err("Invalid instance")
+            Content(ContentType::new("text", "plain"), Err("Invalid instance"))
         }
     } else {
-        Err("Invalid resource type. Only acct is supported")
+        Content(ContentType::new("text", "plain"), Err("Invalid resource type. Only acct is supported"))
     }
 }