feat: add image fetching

src/consts.rs

@@ -0,0 +1,27 @@
+//! Constant behavior paramenters.
+
+use std::time::Duration;
+
+/// Max [`moka`] pfp cache capacity
+pub const MAX_PFP_CACHE_CAPACITY: u64 = 1024;
+
+/// Max filesize of accepted user profile pictures, to prevent huge cache and serving times
+pub const MAX_PFP_SIZE: u64 = 8 * 1024 * 1024; // 8 MiB; TODO: might lower, high for prototyping
+
+/// Default user image to use if users have none
+pub const DEFAULT_USER_PFP: &[u8] = include_bytes!("../assets/default-pfp.png");
+pub const DEFAULT_USER_PFP_MIME: &str = "image/png; charset=binary";
+
+/// TTL for cached user information
+pub const USER_CACHES_TTL: Duration = Duration::from_mins(15);
+
+/// Paths relative to a user's home to search profile pictures in
+pub const USER_PFP_PATHS: &[&str] = &[
+    ".config/logo.avif",
+    ".config/logo.webp",
+    ".config/logo.png",
+    ".config/logo.jpg",
+    "logo.png",
+    "logo.jpg",
+    ".face",
+];