Only match regex once.

FireMasterK · FireMasterK · commit e9c84fbb7b18 · 2022-12-02T20:20:50.000Z
diff --git a/src/main.rs b/src/main.rs
@@ -111,12 +111,13 @@ async fn index(req: HttpRequest) -> Result<HttpResponse, Box<dyn Error>> {
     }
 
     let host = res.unwrap();
+    let domain = RE_DOMAIN.captures(host);
 
-    if !RE_DOMAIN.is_match(host) {
+    if domain.is_none() {
         return Err("Invalid host provided".into());
     }
 
-    let domain = RE_DOMAIN.captures(host).unwrap().get(1).unwrap().as_str();
+    let domain = domain.unwrap().get(1).unwrap().as_str();
 
     let mut allowed = false;
 

Original file line number	Diff line number	Diff line change
`@@ -111,12 +111,13 @@ async fn index(req: HttpRequest) -> Result<HttpResponse, Box<dyn Error>> {`
`111`	`111`	`}`
`112`	`112`
`113`	`113`	`let host = res.unwrap();`
	`114`	`+ let domain = RE_DOMAIN.captures(host);`
`114`	`115`
`115`		`- if !RE_DOMAIN.is_match(host) {`
	`116`	`+ if domain.is_none() {`
`116`	`117`	`return Err("Invalid host provided".into());`
`117`	`118`	`}`
`118`	`119`
`119`		`- let domain = RE_DOMAIN.captures(host).unwrap().get(1).unwrap().as_str();`
	`120`	`+ let domain = domain.unwrap().get(1).unwrap().as_str();`
`120`	`121`
`121`	`122`	`let mut allowed = false;`
`122`	`123`