From d9125314809e7f03cb155f91d535e94da583a365 Mon Sep 17 00:00:00 2001
From: Tyler Murphy <tylermurphy534@gmail.com>
Date: Tue, 31 Jan 2023 22:21:19 -0500
Subject: custosm avatars and banners

---
 src/types/extract.rs | 74 +++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 70 insertions(+), 4 deletions(-)

(limited to 'src/types/extract.rs')

diff --git a/src/types/extract.rs b/src/types/extract.rs
index 50c413b..54f250a 100644
--- a/src/types/extract.rs
+++ b/src/types/extract.rs
@@ -1,4 +1,4 @@
-use std::io::Read;
+use std::io::{Read, Cursor};
 
 use axum::{
     async_trait,
@@ -10,6 +10,7 @@ use axum::{
 };
 use axum_client_ip::ClientIp;
 use bytes::Bytes;
+use image::{io::Reader, ImageFormat, DynamicImage};
 use serde::de::DeserializeOwned;
 use tower_cookies::Cookies;
 
@@ -99,6 +100,36 @@ where
     }
 }
 
+pub struct Png(pub DynamicImage);
+
+#[async_trait]
+impl<S, B> FromRequest<S, B> for Png
+where
+    B: HttpBody + Sync + Send + 'static,
+    B::Data: Send,
+    B::Error: Into<BoxError>,
+    S: Send + Sync,
+{
+    type Rejection = Response;
+
+    async fn from_request(req: Request<B>, state: &S) -> Result<Self> {
+
+        let bytes = match read_body(req, state).await {
+            Ok(body) => body,
+            Err(err) => return Err(err),
+        };
+
+        let mut reader = Reader::new(Cursor::new(bytes));
+        reader.set_format(ImageFormat::Png);
+        
+        let Ok(img) = reader.decode()  else {
+            return Err(ResponseCode::BadRequest.text("Failed to decode png image"))
+        };
+
+        Ok(Self(img))
+    }
+}
+
 pub struct Json<T>(pub T);
 
 #[async_trait]
@@ -150,7 +181,43 @@ pub trait Check {
     }
 }
 
-pub async fn parse_body<S, B>(mut req: Request<B>, state: &S) -> Result<String>
+async fn read_body<S, B>(mut req: Request<B>, state: &S) -> Result<Vec<u8>>
+where
+    B: HttpBody + Sync + Send + 'static,
+    B::Data: Send,
+    B::Error: Into<BoxError>,
+    S: Send + Sync,
+{
+
+    let Ok(ClientIp(ip)) = req.extract_parts::<ClientIp>().await else {
+        tracing::error!("Failed to read client ip");
+        return Err(ResponseCode::InternalServerError.text("Failed to read client ip"));
+    };
+
+    let method = req.method().clone();
+    let uri = req.uri().clone();
+    let path = req
+        .extensions()
+        .get::<RouterURI>()
+        .map_or("", |path| path.0);
+
+    let Ok(bytes) = Bytes::from_request(req, state).await else {
+        return Err(ResponseCode::BadRequest.text("Request can be at most 512kb"));
+    };
+
+    console::log(
+        ip,
+        method,
+        uri,
+        Some(path.to_string()),
+        None,
+    )
+    .await;
+
+    Ok(bytes.bytes().flatten().collect())
+}
+
+async fn parse_body<S, B>(mut req: Request<B>, state: &S) -> Result<String>
 where
     B: HttpBody + Sync + Send + 'static,
     B::Data: Send,
@@ -170,8 +237,7 @@ where
         .map_or("", |path| path.0);
 
     let Ok(bytes) = Bytes::from_request(req, state).await else {
-        tracing::error!("Failed to read request body");
-        return Err(ResponseCode::InternalServerError.text("Failed to read request body"));
+        return Err(ResponseCode::BadRequest.text("Request can be at most 512kb"));
     };
 
     let Ok(body) = String::from_utf8(bytes.bytes().flatten().collect()) else {
-- 
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