Logic/code cleanup

Cargo.lock

@@ -711,12 +711,6 @@ dependencies = [
  "ahash",
 ]
 
-[[package]]
-name = "haversine"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef9482608b217d89a3caeb5fe2336a0491d1dc0be5d89c67125ea514b1f6a660"
-
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -1949,7 +1943,6 @@ name = "speedtest-rs"
 version = "0.1.0"
 dependencies = [
  "dotenv",
- "haversine",
  "ipinfo",
  "rand 0.8.4",
  "regex",

Cargo.toml

@@ -14,4 +14,3 @@ ipinfo = "0.2.0"
 serde_with = { version = "1.10.0", features = ["json"] }
 rocket_cors = { git = "https://github.com/lawliet89/rocket_cors", rev = "a062933" }
 dotenv = "0.15.0"
-haversine = "0.2.1"

src/empty.rs

@@ -11,10 +11,9 @@ pub struct EmptyResponder {
 
 #[post("/empty", data = "<data>")]
 pub async fn empty(data: Data<'_>) -> EmptyResponder {
-    match data.open(1.gigabytes()).stream_to(io::sink()).await {
-        Ok(_) => print!(""),
-        Err(_) => print!(""),
-    };
+    match data.open(25.megabytes()).stream_to(io::sink()).await {
+        _ => {}
+    }
 
     EmptyResponder {
         inner: (),
@@ -22,11 +21,6 @@ pub async fn empty(data: Data<'_>) -> EmptyResponder {
     }
 }
 
-#[options("/empty")]
-pub async fn empty_options() -> Status {
-    Status::NoContent
-}
-
 #[post("/backend/empty", data = "<data>")]
 pub async fn backend_empty(data: Data<'_>) -> EmptyResponder {
     empty(data).await

src/garbage.rs

@@ -19,7 +19,7 @@ pub async fn garbage(opts: GarbageOptions) -> ByteStream![Vec<u8>] {
 
     let chunks = match opts.ckSize {
         i if i > 1024 => 1024,
-        _ => opts.ckSize,
+        i => i,
     };
 
     ByteStream! {

src/get_ip.rs

@@ -3,34 +3,17 @@ use regex::Regex;
 use rocket::serde::{json::Json, Serialize};
 use rocket_client_addr::ClientRealAddr;
 use std::env::var;
-use std::fmt;
 
+use crate::haversine::Units;
 use crate::serialized_ip_info::IpDetailsDef;
 use crate::util::{get_client_server_distance_string, get_ip_type};
 
-#[derive(FromFormField, PartialEq)]
-pub enum Distance {
-    Km,
-    Mi,
-    Nm,
-}
-
-impl fmt::Display for Distance {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        match *self {
-            Distance::Km => write!(f, "km"),
-            Distance::Mi => write!(f, "mi"),
-            Distance::Nm => write!(f, "NM"),
-        }
-    }
-}
-
 #[derive(FromForm)]
 pub struct GetIPOptions {
     #[field(default = true)]
     isp: bool,
-    #[field(default = Distance::Km)]
-    distance: Distance,
+    #[field(default = Units::Kilometers)]
+    distance: Units,
 }
 
 #[serde_as]

src/haversine.rs

@@ -0,0 +1,46 @@
+use std::fmt;
+
+#[derive(Default)]
+pub struct Location {
+    pub latitude: f64,
+    pub longitude: f64,
+}
+
+#[derive(FromFormField, PartialEq)]
+pub enum Units {
+    Miles,
+    Kilometers,
+    NauticalMiles,
+    Mi,
+    Km,
+    Nm,
+}
+
+impl fmt::Display for Units {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match *self {
+            Units::Kilometers | Units::Km => write!(f, "km"),
+            Units::Miles | Units::Mi => write!(f, "mi"),
+            Units::NauticalMiles | Units::Nm => write!(f, "NM"),
+        }
+    }
+}
+
+pub fn distance(start: Location, end: Location, units: &Units) -> f64 {
+    let r = match units {
+        Units::Miles | Units::Km => 3958.8,
+        Units::Kilometers | Units::Mi => 6371.0,
+        Units::NauticalMiles | Units::Nm => 3440.1,
+    };
+
+    let d_lat: f64 = (end.latitude - start.latitude).to_radians();
+    let d_lon: f64 = (end.longitude - start.longitude).to_radians();
+    let lat1: f64 = (start.latitude).to_radians();
+    let lat2: f64 = (end.latitude).to_radians();
+
+    let a: f64 = ((d_lat / 2.0).sin()) * ((d_lat / 2.0).sin())
+        + ((d_lon / 2.0).sin()) * ((d_lon / 2.0).sin()) * (lat1.cos()) * (lat2.cos());
+    let c: f64 = 2.0 * ((a.sqrt()).atan2((1.0 - a).sqrt()));
+
+    return r * c;
+}

src/main.rs

@@ -7,6 +7,7 @@ extern crate serde_with;
 pub mod empty;
 pub mod garbage;
 pub mod get_ip;
+pub mod haversine;
 pub mod serialized_ip_info;
 pub mod util;
 
@@ -26,7 +27,7 @@ use get_ip::*;
 async fn main() -> Result<(), Box<dyn Error>> {
     dotenv().ok();
 
-    let cors = setup_cors().await.unwrap();
+    let cors = setup_cors().await?;
     let routes = routes![get_ip::get_ip, get_backend_ip_php];
 
     let garbage_routes = routes![
@@ -40,34 +41,24 @@ async fn main() -> Result<(), Box<dyn Error>> {
         empty::empty,
         backend_empty,
         get_empty,
-        empty_options,
         empty_php,
         backend_empty_php,
         get_backend_empty_php
     ];
 
+    let routes = vec![routes, garbage_routes, empty_routes].concat();
+
+    let mut rocketship = rocket::build().attach(cors).mount("/", routes);
+
     let asset_path = relative!("assets");
     if Path::new(asset_path).exists() {
         let fileserver = FileServer::from(asset_path);
 
-        rocket::build()
-            .attach(cors)
-            .mount("/", routes)
-            .mount("/", empty_routes)
-            .mount("/", garbage_routes)
-            .mount("/", fileserver)
-            .launch()
-            .await?;
-    } else {
-        rocket::build()
-            .attach(cors)
-            .mount("/", routes)
-            .mount("/", empty_routes)
-            .mount("/", garbage_routes)
-            .launch()
-            .await?;
+        rocketship = rocketship.mount("/", fileserver);
     }
 
+    rocketship.launch().await?;
+
     Ok(())
 }
 

src/util.rs

@@ -1,38 +1,34 @@
 use std::env::var;
 
-use haversine::{distance, Location, Units};
+use crate::haversine::{distance, Location, Units};
 use regex::Regex;
 
-use crate::get_ip::Distance;
-
 pub fn get_ip_type(ip: &str) -> (String, bool) {
-    let private_regex: Regex = Regex::new(r"^172\.(1[6-9]|2\d|3[01])\.").unwrap();
+    let private_regex = Regex::new(r"^172\.(1[6-9]|2\d|3[01])\.").unwrap();
+    let cgnat_regex = Regex::new(r"^100\.([6-9][0-9]|1[0-2][0-7])\.").unwrap();
 
     let mut is_special_ip: bool = true;
-    let processed_string = if ip == "::1" {
-        format!("{} - localhost IPv6 access", &ip)
-    } else if ip.starts_with("fe80:") {
-        format!("{} - link-local IPv6 access", &ip)
-    } else if ip.starts_with("127.") {
-        format!("{} - localhost IPv4 access", &ip)
-    } else if ip.starts_with("10.") {
-        format!("{} - private IPv4 access", &ip)
-    } else if private_regex.is_match(&ip) {
-        format!("{} - private IPv4 access", &ip)
-    } else if ip.starts_with("192.168.") {
-        format!("{} - private IPv4 access", &ip)
-    } else if ip.starts_with("192.168.") {
-        format!("{} - private IPv4 access", &ip)
-    } else {
+
+    let processed_string = match ip {
+        n if n == "::1" => format!("{} - localhost IPv6 access", n),
+        n if n.starts_with("fe80:") => format!("{} - link-local IPv6 access", n),
+        n if n.starts_with("127.") => format!("{} - localhost IPv4 access", n),
+        n if n.starts_with("10.") => format!("{} - private IPv4 access", n),
+        n if private_regex.is_match(n) => format!("{} - private IPv4 access", n),
+        n if n.starts_with("192.168.") => format!("{} - private IPv4 access", n),
+        n if n.starts_with("169.254.") => format!("{} - link-local IPv4 access", n),
+        n if cgnat_regex.is_match(n) => format!("{} - CGNAT IPv4 access", n),
+        _ => {
             is_special_ip = false;
             ip.to_string()
+        }
     };
 
     (processed_string, is_special_ip)
 }
 
 pub fn parse_location_string(location: String) -> Result<Location, String> {
-    let location_parts: Vec<&str> = location.split(",").collect::<Vec<_>>();
+    let location_parts = location.split(",").collect::<Vec<_>>();
 
     if location_parts.len() != 2 {
         return Err(format!("Unknown location format: {}", &location));
@@ -47,7 +43,7 @@ pub fn parse_location_string(location: String) -> Result<Location, String> {
     })
 }
 
-pub fn get_client_server_distance_string(client_location: String, units: Distance) -> String {
+pub fn get_client_server_distance_string(client_location: String, units: Units) -> String {
     let client_location = parse_location_string(client_location).unwrap_or(Location {
         latitude: 0.0,
         longitude: 0.0,
@@ -64,17 +60,7 @@ pub fn get_client_server_distance_string(client_location: String, units: Distanc
             .unwrap_or_default(),
     };
 
-    let haversine_units = match units {
-        Distance::Km => Units::Kilometers,
-        Distance::Mi => Units::Miles,
-        Distance::Nm => Units::Kilometers,
-    };
+    let distance = distance(client_location, server_location, &units);
 
-    let distance = distance(client_location, server_location, haversine_units);
-    let distance = match units {
-        Distance::Km => distance,
-        Distance::Mi => distance,
-        Distance::Nm => distance / 1.852,
-    };
-    format!("{:.2} {}", &distance, units)
+    format!("{:.2} {}", distance, units)
 }