feat: provide the right URL to workers (#234)

* fix: provides the right URL to workers

* feat: add the HonoJS example to the project

Author: Angelmmiguel

.gitignore

@@ -5,4 +5,5 @@ examples/*.toml
 .DS_Store
 .wws
 **/zig-cache
-**/zig-out
+**/zig-out
+node_modules

crates/worker/src/io.rs

@@ -4,7 +4,7 @@
 use crate::errors::{self, Result, WorkerError};
 
 use actix_web::{
-    http::{header::HeaderMap, StatusCode},
+    http::{header::HeaderMap, StatusCode, Uri},
     HttpRequest,
 };
 use base64::{engine::general_purpose, Engine as _};
@@ -16,7 +16,7 @@ use std::collections::HashMap;
 #[derive(Serialize, Deserialize)]
 pub struct WasmInput<'a> {
     /// Request full URL
-    url: &'a str,
+    url: String,
     /// Request method
     method: &'a str,
     /// Request headers
@@ -43,10 +43,7 @@ impl<'a> WasmInput<'a> {
             params.insert(k.to_string(), v.to_string());
         }
 
-        let url = match request.uri().path_and_query() {
-            Some(path) => path.as_str(),
-            None => request.uri().path(),
-        };
+        let url = Self::build_url(request);
 
         Self {
             url,
@@ -58,6 +55,21 @@ impl<'a> WasmInput<'a> {
         }
     }
 
+    /// Prepare the URL from the given actix HTTP request. It will try to
+    /// load the full URL including the authority and the schema. This is
+    /// required by different frameworks.
+    fn build_url(request: &HttpRequest) -> String {
+        match Uri::builder()
+            .scheme(request.connection_info().scheme())
+            .authority(request.connection_info().host())
+            .path_and_query(request.uri().to_string())
+            .build()
+        {
+            Ok(uri) => uri.to_string(),
+            Err(_) => request.uri().to_string(),
+        }
+    }
+
     /// Create HashMap from a HeadersMap
     fn build_headers_hash(headers: &HeaderMap) -> HashMap<String, String> {
         let mut parsed_headers = HashMap::new();

crates/worker/src/lib.rs

@@ -236,6 +236,9 @@ impl Worker {
         Ok(())
     }
 
+    /// Run the worker that will process the given URL. This method sets the
+    /// module context including all the required features like WASI and WASI-NN.
+    /// Then, it loads the module, run it and process the output.
     pub async fn run(
         &self,
         request: &HttpRequest,

examples/Makefile

@@ -3,7 +3,7 @@ COMPONENTS = components/rust-basic components/rust-kv
 
 all: $(SUBDIRS) rust-params $(COMPONENTS) components/rust-params
 
-.PHONY: $(SUBDIRS) rust-params $(COMPONENTS) components/rust-params
+.PHONY: $(SUBDIRS) rust-params $(COMPONENTS) components/rust-params js-hono
 
 $(SUBDIRS):
 	cd $@ && \
@@ -15,6 +15,10 @@ rust-params:
 		cargo build --target wasm32-wasi --release && \
 			cp target/wasm32-wasi/release/$@.wasm "./[id].wasm"
 
+js-hono:
+	cd $@/src && \
+		npm install && npm run build
+
 $(COMPONENTS):
 	mkdir -p $@
 	make $(@:components/%=%)

examples/js-hono/README.md

@@ -0,0 +1,21 @@
+# JavaScript Hono example
+
+Run a JavaScript application that uses the [HonoJS framework](https://hono.dev/) in Wasm Workers Server.
+
+## Prerequisites
+
+* Wasm Workers Server (wws):
+
+  ```shell-session
+  curl -fsSL https://workers.wasmlabs.dev/install | bash
+  ```
+
+## Run
+
+```shell-session
+wws https://github.com/vmware-labs/wasm-workers-server.git -i --git-folder "examples/js-hono/dist"
+```
+
+## Resources
+
+* [JavaScript documentation](https://workers.wasmlabs.dev/docs/languages/javascript)