feat: add custom relay page

README.md

@@ -141,6 +141,7 @@ be mounted into a docker container like so:
 $ docker run -it -p 7000:8080 \
   --mount src=$(pwd)/config.toml,target=/usr/src/app/config.toml,type=bind \
   --mount src=$(pwd)/data,target=/usr/src/app/db,type=bind \
+  --mount src=$(pwd)/index.html,target=/usr/src/app/index.html,type=bind \
   nostr-rs-relay
 ```
 

config.toml

@@ -23,6 +23,9 @@ description = "A newly created nostr-rs-relay.\n\nCustomize this with your own i
 # URL of Relay's icon.
 #relay_icon = "https://example.test/img.png"
 
+# Path to custom relay html page
+#relay_page = "index.html"
+
 [diagnostics]
 # Enable tokio tracing (for use with tokio-console)
 #tracing = false

src/config.rs

@@ -14,6 +14,7 @@ pub struct Info {
     pub contact: Option<String>,
     pub favicon: Option<String>,
     pub relay_icon: Option<String>,
+    pub relay_page: Option<String>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -285,6 +286,7 @@ impl Default for Settings {
                 contact: None,
                 favicon: None,
                 relay_icon: None,
+                relay_page: None,
             },
             diagnostics: Diagnostics { tracing: false },
             database: Database {

src/server.rs

@@ -194,6 +194,21 @@ async fn handle_web_request(
                     .unwrap());
             }
 
+            if let Some(relay_file_path) = settings.info.relay_page {
+                match file_bytes(&relay_file_path) {
+                    Ok(file_content) => {
+                        return Ok(Response::builder()
+                            .status(200)
+                            .header("Content-Type", "text/html; charset=UTF-8")
+                            .body(Body::from(file_content))
+                            .expect("request builder"));
+                    },
+                    Err(err) => {
+                        error!("Failed to read relay_page file: {}. Will use default", err);
+                    }
+                }
+            }
+
             Ok(Response::builder()
                 .status(200)
                 .header("Content-Type", "text/plain")