static_files: embed files in-binary

Signed-off-by: Gunwant Jain <mail@wantguns.dev>

Cargo.lock

@@ -103,6 +103,7 @@ dependencies = [
  "rand",
  "rocket",
  "rocket_dyn_templates",
+ "rust-embed",
  "syntect",
  "tree_magic",
 ]
@@ -137,7 +138,16 @@ dependencies = [
  "block-padding",
  "byte-tools",
  "byteorder",
- "generic-array",
+ "generic-array 0.12.4",
+]
+
+[[package]]
+name = "block-buffer"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+dependencies = [
+ "generic-array 0.14.5",
 ]
 
 [[package]]
@@ -260,6 +270,15 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95059428f66df56b63431fdb4e1947ed2190586af5c5a8a8b71122bdf5a7f469"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.3.0"
@@ -324,7 +343,16 @@ version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
 dependencies = [
- "generic-array",
+ "generic-array 0.12.4",
+]
+
+[[package]]
+name = "digest"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array 0.14.5",
 ]
 
 [[package]]
@@ -559,6 +587,16 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd48d33ec7f05fbfa152300fdad764757cbded343c1aa1cff2fbaf4134851803"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.4"
@@ -1118,6 +1156,12 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
+
 [[package]]
 name = "parking_lot"
 version = "0.10.2"
@@ -1579,6 +1623,40 @@ dependencies = [
  "uncased",
 ]
 
+[[package]]
+name = "rust-embed"
+version = "6.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d40377bff8cceee81e28ddb73ac97f5c2856ce5522f0b260b763f434cdfae602"
+dependencies = [
+ "rust-embed-impl",
+ "rust-embed-utils",
+ "walkdir",
+]
+
+[[package]]
+name = "rust-embed-impl"
+version = "6.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94e763e24ba2bf0c72bc6be883f967f794a019fafd1b86ba1daff9c91a7edd30"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "rust-embed-utils",
+ "syn",
+ "walkdir",
+]
+
+[[package]]
+name = "rust-embed-utils"
+version = "7.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad22c7226e4829104deab21df575e995bfbc4adfad13a595e387477f238c1aec"
+dependencies = [
+ "sha2",
+ "walkdir",
+]
+
 [[package]]
 name = "rustc_version"
 version = "0.2.3"
@@ -1679,10 +1757,10 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
 dependencies = [
- "block-buffer",
- "digest",
+ "block-buffer 0.7.3",
+ "digest 0.8.1",
  "fake-simd",
- "opaque-debug",
+ "opaque-debug 0.2.3",
 ]
 
 [[package]]
@@ -1700,6 +1778,19 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ae1a47186c03a32177042e55dbc5fd5aee900b8e0069a8d70fba96a9375cd012"
 
+[[package]]
+name = "sha2"
+version = "0.9.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
+dependencies = [
+ "block-buffer 0.9.0",
+ "cfg-if 1.0.0",
+ "cpufeatures",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.4"

Cargo.toml

@@ -9,6 +9,7 @@ rand = "0.8.4"
 rocket = "0.5.0-rc.1"
 tree_magic = "0.2.3"
 syntect = "4.6.0"
+rust-embed="6.3.0"
 
 [dependencies.rocket_dyn_templates]
 version = "0.1.0-rc.1"

src/routes/static_files.rs

@@ -1,10 +1,21 @@
-use rocket::fs::NamedFile;
-use rocket::response::status::NotFound;
-use std::path::{Path, PathBuf};
+use rocket::http::ContentType;
+use rust_embed::RustEmbed;
+use std::{borrow::Cow, ffi::OsStr, path::PathBuf};
+
+#[derive(RustEmbed)]
+#[folder = "static/"]
+struct Static;
 
 #[get("/static/<file..>")]
-pub async fn static_files(file: PathBuf) -> Result<NamedFile, NotFound<String>> {
-    NamedFile::open(Path::new("static/").join(file))
-        .await
-        .map_err(|e| NotFound(e.to_string()))
+pub fn static_files(file: PathBuf) -> Option<(ContentType, Cow<'static, [u8]>)> {
+    let filename = file.display().to_string();
+    let asset = Static::get(&filename)?;
+
+    let content_type = file
+        .extension()
+        .and_then(OsStr::to_str)
+        .and_then(ContentType::from_extension)
+        .unwrap_or(ContentType::Bytes);
+
+    Some((content_type, asset.data))
 }