From 65e188bcf83b080e7a0cbba99d9d350e89d62e37 Mon Sep 17 00:00:00 2001
From: landrigun <manach.r@msn.com>
Date: Mon, 19 Sep 2022 14:10:28 +0100
Subject: [PATCH] improv: #5 accept http 1.0 request version

---
 src/handlers/request.rs | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/src/handlers/request.rs b/src/handlers/request.rs
index 323ba07..77bc465 100644
--- a/src/handlers/request.rs
+++ b/src/handlers/request.rs
@@ -18,12 +18,13 @@ const HTTP_METHODS: [&'static str; 1] = ["POST"];
 const HTTP_TARGETS: [&'static str; 3] = ["/validate/", "/get/", "/refresh/"];
 
 lazy_static! {
-    static ref HTTP_VERSION_REGEX: Regex = Regex::new("^HTTP/(1.1|2)$").unwrap();
+    static ref HTTP_VERSION_REGEX: Regex = Regex::new("^HTTP/(1.1|1.0|2)$").unwrap();
 }
 
 #[derive(Debug)]
 pub enum HTTPVersion {
-    Http1,
+    Http1_0,
+    Http1_1,
     Http2,
     Unknown,
 }
@@ -31,7 +32,8 @@ pub enum HTTPVersion {
 impl Into<String> for HTTPVersion {
     fn into(self) -> String {
         match self {
-            Self::Http1 => "HTTP/1.1".to_string(),
+            Self::Http1_0 => "HTTP/1.0".to_string(),
+            Self::Http1_1 => "HTTP/1.1".to_string(),
             Self::Http2 => "HTTP/2".to_string(),
             Self::Unknown => "UNKNOWN".to_string(),
         }
@@ -42,7 +44,8 @@ impl Into<String> for HTTPVersion {
 impl From<&String> for HTTPVersion {
     fn from(http_version: &String) -> Self {
         match http_version.as_str() {
-            "HTTP/1.1" => Self::Http1,
+            "HTTP/1.0" => Self::Http1_0,
+            "HTTP/1.1" => Self::Http1_1,
             "HTTP/2" => Self::Http2,
             _ => Self::Unknown,
         }
@@ -85,7 +88,6 @@ impl HTTPStartLine {
         if !Self::check_target(&target) {
             return Err("target validation failed, unvalid target");
         }
-
         if !Self::check_version(&version) {
             return Err("http version validation failed, unknown version");
         }
@@ -272,7 +274,7 @@ fn test_handle_request() {
         is_valid: bool,
     }
 
-    let test_cases: [(String, Expect); 10] = [
+    let test_cases: [(String, Expect); 11] = [
         (
             "POST /get/ HTTP/1.1\r\n\r\n".to_string(),
             Expect {
@@ -289,6 +291,14 @@ fn test_handle_request() {
                 is_valid: true,
             },
         ),
+        (
+            "POST /validate/ HTTP/1.0\r\n\r\n".to_string(),
+            Expect {
+                start_line: "POST /validate/ HTTP/1.0".to_string(),
+                body: None,
+                is_valid: true,
+            },
+        ),
         (
             "GET / HTTP/1.1\r\n\r\n".to_string(),
             Expect {