feat: serve files from configured webroot

2 files changed, 20 insertions, 9 deletions

diff --git a/ewww.md b/ewww.md
index ed2f663..536510c 100644
--- a/ewww.md
+++ b/ewww.md
@@ -88,13 +88,15 @@ for static content only. Every other method returns an error.
 ## Minimal smoke test
 
 ~~~scenario
+when I create webroot/foo.html with "this is your web page"
 given a self-signed certificate as snakeoil.pem, using key snakeoil.key
 and a running server using config file minimal.yaml
-when I request GET https://example.com/
+when I request GET https://example.com/foo.html
 then I get status code 200
 ~~~
 
 ~~~{#minimal.yaml .file .yaml}
+webroot: webroot
 tls_key: snakeoil.key
 tls_cert: snakeoil.pem
 ~~~
@@ -104,12 +106,12 @@ tls_cert: snakeoil.pem
 
 ~~~scenario
 given a self-signed certificate as snakeoil.pem, using key snakeoil.key
-and a running server using config file smoke.yaml
-when I create webroot/foo with "hello, world"
-and I request GET https://example.com/foo
+when I create webroot/foo.html with "this is your web page"
+given a running server using config file smoke.yaml
+when I request GET https://example.com/foo.html
 then I get status code 200
-and header content-type is "text/plain"
-and body is "hello, world\n"
+and header content-type is "text/html"
+and body is "this is your web page"
 ~~~
 
 ~~~scenario-disabled
@@ -145,6 +147,7 @@ scaffolding adds randomly chosen port numbers so that the test can run
 without being root.
 
 ~~~{#smoke.yaml .file .yaml .numberLines}
+webroot: webroot
 tls_cert: snakeoil.pem
 tls_key: snakeoil.key
 ~~~
diff --git a/src/main.rs b/src/main.rs
index d74a148..37e60d2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,6 +5,7 @@ use warp::Filter;
 
 #[derive(Debug, Deserialize)]
 struct Config {
+    webroot: PathBuf,
     port: u16,
     tls_key: PathBuf,
     tls_cert: PathBuf,
@@ -19,6 +20,9 @@ struct Opt {
 
 #[derive(Debug, thiserror::Error)]
 enum EwwwError {
+    #[error("Web root {0} does not exist")]
+    WebrootNotFound(PathBuf),
+
     #[error("TLS certificate {0} does not exist")]
     TlsCertNotFound(PathBuf),
 
@@ -33,11 +37,12 @@ async fn main() {
     let opt = Opt::from_args();
     let config = read_config(&opt.config).unwrap();
 
-    let hello = warp::any()
-        .map(|| "hello, world\n".to_string());
+    let webroot = config.webroot.canonicalize().unwrap();
+    eprintln!("webroot: {:?}", webroot);
+    let webroot = warp::any().and(warp::fs::dir(webroot));
 
     eprintln!("starting server: {:?}", config);
-    warp::serve(hello)
+    warp::serve(webroot)
         .tls()
         .key_path(config.tls_key)
         .cert_path(config.tls_cert)
@@ -53,6 +58,9 @@ fn read_config(filename: &Path) -> anyhow::Result<Config> {
 }
 
 fn check_config(config: &Config) -> anyhow::Result<()> {
+    if !config.webroot.exists() {
+        return Err(EwwwError::WebrootNotFound(config.webroot.clone()).into());
+    }
     if !config.tls_cert.exists() {
         return Err(EwwwError::TlsCertNotFound(config.tls_cert.clone()).into());
     }