From bbcd7b5f638e594a0cdd968ce5b09f6ec73e718f Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.net>
Date: Thu, 21 Apr 2022 03:59:25 +0000
Subject: feat: favicon support

---
 .env.example | 1 +
 Cargo.toml   | 2 +-
 README.md    | 8 ++++++++
 src/main.rs  | 9 +++++++++
 4 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/.env.example b/.env.example
index 75bcb55..cb69204 100644
--- a/.env.example
+++ b/.env.example
@@ -4,3 +4,4 @@ CSS_EXTERNAL=https://example.com/style.css
 KEEP_GEMINI_EXACT=gemini://fuwn.me/skills
 # KEEP_GEMINI_DOMAIN=fuwn.me
 # PROXY_BY_DEFAULT=true
+FAVICON_EXTERNAL=https://host.fuwn.me/8te8lw0lxm03.webp
diff --git a/Cargo.toml b/Cargo.toml
index 9731fac..b8d4dfa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 
 [package]
 name = "september"
-version = "0.1.2"
+version = "0.1.3"
 authors = ["Fuwn <fuwnzy@gmail.com>"]
 edition = "2021"
 description = "A simple and efficient Gemini-to-HTTP proxy."
diff --git a/README.md b/README.md
index 91ea929..b5f7a18 100644
--- a/README.md
+++ b/README.md
@@ -117,6 +117,14 @@ Defaults to `true`.
 PROXY_BY_DEFAULT=false
 ```
 
+### `FAVICON_EXTERNAL`
+
+An external favicon file to apply to the HTML response.
+
+```dotenv
+FAVICON_EXTERNAL=https://host.fuwn.me/8te8lw0lxm03.webp
+```
+
 ## Capsules using September
 
 [Add yours!](https://github.com/gemrest/september/edit/main/README.md)
diff --git a/src/main.rs b/src/main.rs
index ade91ed..327117d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -327,6 +327,15 @@ async fn default(req: actix_web::HttpRequest) -> Result<HttpResponse, Error> {
     ));
   }
 
+  // Try to add an external favicon from the `FAVICON_EXTERNAL` environment
+  // variable.
+  if let Ok(favicon) = var("FAVICON_EXTERNAL") {
+    html_context.push_str(&format!(
+      "<link rel=\"icon\" type=\"image/x-icon\" href=\"{}\">",
+      favicon
+    ));
+  }
+
   // Add a title to HTML response
   html_context.push_str(&format!("<title>{}</title>", gemini_title));
 
-- 
cgit v1.2.3