Switch from tree_magic to mime_guess

Cargo.lock

@@ -6,18 +6,12 @@ version = "1.2.1"
 dependencies = [
  "async-std",
  "async-tls",
+ "mime_guess",
  "once_cell",
  "rustls",
- "tree_magic_mini",
  "url",
 ]
 
-[[package]]
-name = "arrayvec"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cff77d8686867eceff3105329d4698d96c2391c176d5d03adc90c7389162b5b8"
-
 [[package]]
 name = "async-channel"
 version = "1.1.1"
@@ -86,12 +80,6 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
 
-[[package]]
-name = "bitflags"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
-
 [[package]]
 name = "blocking"
 version = "0.4.7"
@@ -162,18 +150,6 @@ version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "36a9cb09840f81cd211e435d00a4e487edd263dc3c8ff815c32dd76ad668ebed"
 
-[[package]]
-name = "fixedbitset"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37ab347416e802de484e4d03c7316c48f1ecb56574dfd4a46a80f173ce1de04d"
-
-[[package]]
-name = "fnv"
-version = "1.0.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
-
 [[package]]
 name = "futures"
 version = "0.3.5"
@@ -284,15 +260,6 @@ dependencies = [
  "slab",
 ]
 
-[[package]]
-name = "hashbrown"
-version = "0.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34f595585f103464d8d2f6e9864682d74c1601fed5e07d62b1c9058dba8246fb"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "hermit-abi"
 version = "0.1.15"
@@ -313,16 +280,6 @@ dependencies = [
  "unicode-normalization",
 ]
 
-[[package]]
-name = "indexmap"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b88cd59ee5f71fea89a62248fc8f387d44400cefe05ef548466d61ced9029a7"
-dependencies = [
- "autocfg",
- "hashbrown",
-]
-
 [[package]]
 name = "js-sys"
 version = "0.3.42"
@@ -347,19 +304,6 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
-[[package]]
-name = "lexical-core"
-version = "0.7.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db65c6da02e61f55dae90a0ae427b2a5f6b3e8db09f58d10efab23af92592616"
-dependencies = [
- "arrayvec",
- "bitflags",
- "cfg-if",
- "ryu",
- "static_assertions",
-]
-
 [[package]]
 name = "libc"
 version = "0.2.73"
@@ -388,14 +332,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
 
 [[package]]
-name = "nom"
+name = "mime"
-version = "5.1.2"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffb4262d26ed83a1c0a33a38fe2bb15797329c85770da05e6b828ddb782627af"
+checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
+
+[[package]]
+name = "mime_guess"
+version = "2.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2684d4c2e97d99848d30b324b00c8fcc7e5c897b7cbb5819b09e7c90e8baf212"
 dependencies = [
- "lexical-core",
+ "mime",
- "memchr",
+ "unicase",
- "version_check",
 ]
 
 [[package]]
@@ -426,16 +375,6 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
-[[package]]
-name = "petgraph"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "467d164a6de56270bd7c4d070df81d07beace25012d5103ced4e9ff08d6afdb7"
-dependencies = [
- "fixedbitset",
- "indexmap",
-]
-
 [[package]]
 name = "pin-project"
 version = "0.4.22"
@@ -532,12 +471,6 @@ dependencies = [
  "webpki",
 ]
 
-[[package]]
-name = "ryu"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
-
 [[package]]
 name = "scoped-tls"
 version = "1.0.0"
@@ -599,12 +532,6 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
-[[package]]
-name = "static_assertions"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
-
 [[package]]
 name = "syn"
 version = "1.0.35"
@@ -623,15 +550,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "53953d2d3a5ad81d9f844a32f14ebb121f50b650cd59d0ee2a07cf13c617efed"
 
 [[package]]
-name = "tree_magic_mini"
+name = "unicase"
-version = "1.0.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92a265e0c5b89a31cb939a9d7ffce63382e450af10df56a3b9bfb7084d3c2178"
+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
 dependencies = [
- "fnv",
+ "version_check",
- "lazy_static",
- "nom",
- "petgraph",
 ]
 
 [[package]]

Cargo.toml

@@ -13,9 +13,9 @@ edition = "2018"
 [dependencies]
 async-tls = { version = "0.9.0", default-features = false, features = ["server"] }
 async-std = "1.5"
+mime_guess = "2.0"
 once_cell = "1.4"
 rustls = "0.18.0"
-tree_magic_mini = "1.0"
 url = "2.1"
 
 [profile.release]

src/main.rs

@@ -132,15 +132,15 @@ async fn send_response<W: Write + Unpin>(url: &Url, mut stream: W) -> Result {
 
     // Make sure the file opens successfully before sending the success header.
     let mut file = async_std::fs::File::open(&path).await?;
-    
+
     // Send header.
     if path.extension() == Some(OsStr::new("gmi")) {
         respond(&mut stream, "20", &["text/gemini"]).await?;
     } else {
-        let mime = tree_magic_mini::from_filepath(&path).ok_or("Can't read file")?;
+        let mime = mime_guess::from_path(&path).first_or_octet_stream();
-        respond(&mut stream, "20", &[mime]).await?;
+        respond(&mut stream, "20", &[mime.essence_str()]).await?;
     }
-    
+
     // Send body.
     async_std::io::copy(&mut file, &mut stream).await?;
     Ok(())