Fixed remote addr (on Caddy reverse proxy) problem

Cargo.toml

@@ -39,6 +39,7 @@ log = "0.4.22"
 indicatif = "0.17.9"
 #assets
 include_dir = "0.7.4"
+case_insensitive_hashmap = "1.0.1"
 
 [package.metadata.deb]
 maintainer-scripts = "setup/debian/scripts/"

src/http/request.rs

@@ -3,6 +3,7 @@ use std::future::Future;
 use std::pin::Pin;
 use log::trace;
 use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader, BufWriter};
+use case_insensitive_hashmap::CaseInsensitiveHashMap as CIHashMap;
 use crate::config::GARBAGE_DATA;
 use crate::http::{Method, MethodStr};
 use crate::http::response::Response;
@@ -13,7 +14,7 @@ pub struct Request {
     pub method: Method,
     pub remote_addr : String,
     pub query_params: HashMap<String, String>,
-    pub headers: HashMap<String, String>,
+    pub headers: CIHashMap<String>,
     pub form_data : HashMap<String, String>
 }
 
@@ -189,11 +190,11 @@ fn hex_string_to_int(hex_string: &str) -> Option<u64> {
     }
 }
 
-pub async fn header_parser<R>(buf_reader: &mut BufReader<R>) -> HashMap<String,String>
+pub async fn header_parser<R>(buf_reader: &mut BufReader<R>) -> CIHashMap<String>
 where
     R: AsyncReadExt + Unpin
 {
-    let mut headers_out = HashMap::new();
+    let mut headers_out = CIHashMap::new();
     'header_loop:loop {
         if let Ok(Some(header_line)) = buf_reader.lines().next_line().await {
             if header_line.is_empty() {
@@ -211,7 +212,7 @@ where
     headers_out
 }
 
-fn check_has_body(headers : &HashMap<String,String>) -> (Option<BodyType>,Option<u64>) {
+fn check_has_body(headers : &CIHashMap<String>) -> (Option<BodyType>,Option<u64>) {
     let content_type_form = if let Some(content_type) = headers.get("Content-Type") {
         if content_type.starts_with("multipart/form-data;") {
             Some(BodyType::Form)
@@ -279,7 +280,7 @@ fn clear_path_end_slash(input: &str) -> &str {
     }
 }
 
-fn trust_addr_proxy(headers : &HashMap<String,String>,remote_addr : &str) -> String {
+fn trust_addr_proxy(headers : &CIHashMap<String>,remote_addr : &str) -> String {
     if let Some(remote_ip) = headers.get("X-Real-IP") {
         remote_ip.to_string()
     } else {