From 532cc431d1c5ca1ffcf429a4ccb94edc7848fe7a Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Thu, 30 May 2024 00:09:11 +0200
Subject: rename filters dir

---
 src/modules/file.rs | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 src/modules/file.rs

(limited to 'src/modules/file.rs')

diff --git a/src/modules/file.rs b/src/modules/file.rs
new file mode 100644
index 0000000..53c27f4
--- /dev/null
+++ b/src/modules/file.rs
@@ -0,0 +1,62 @@
+use super::{Node, NodeContext, NodeKind, NodeRequest, NodeResponse};
+use crate::error::ServiceError;
+use futures::Future;
+use http_body_util::{combinators::BoxBody, BodyExt};
+use hyper::{
+    header::{HeaderValue, CONTENT_TYPE},
+    Response,
+};
+use serde::Deserialize;
+use serde_yaml::Value;
+use std::{fs::read_to_string, path::PathBuf, pin::Pin, sync::Arc};
+
+pub struct FileKind;
+
+#[derive(Debug, Deserialize)]
+struct FileConfig {
+    path: Option<PathBuf>,
+    content: Option<String>,
+    r#type: Option<String>,
+}
+
+#[derive(Debug, Deserialize)]
+struct File {
+    content: String,
+    r#type: String,
+}
+
+impl NodeKind for FileKind {
+    fn name(&self) -> &'static str {
+        "file"
+    }
+    fn instanciate(&self, config: Value) -> anyhow::Result<Arc<dyn Node>> {
+        let conf = serde_yaml::from_value::<FileConfig>(config)?;
+        Ok(Arc::new(File {
+            content: conf
+                .content
+                .or(conf
+                    .path
+                    .map(|p| Ok::<_, ServiceError>(read_to_string(p)?))
+                    .transpose()?)
+                .unwrap_or_default(),
+            r#type: conf.r#type.unwrap_or("text/html".to_string()), // TODO infer mime from ext
+        }))
+    }
+}
+
+impl Node for File {
+    fn handle<'a>(
+        &'a self,
+        _context: &'a mut NodeContext,
+        _request: NodeRequest,
+    ) -> Pin<Box<dyn Future<Output = Result<NodeResponse, ServiceError>> + Send + Sync + 'a>> {
+        Box::pin(async move {
+            let mut r = Response::new(BoxBody::<_, ServiceError>::new(
+                self.content.clone().map_err(|_| unreachable!()),
+            ));
+            r.headers_mut()
+                .insert(CONTENT_TYPE, HeaderValue::from_str(&self.r#type).unwrap());
+            Ok(r)
+        })
+    }
+}
-- 
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