Fix documentation URL blocking for substring domains

Author: Turbo87

src/views.rs

@@ -1,4 +1,5 @@
 use chrono::NaiveDateTime;
+use std::iter::{IntoIterator, Iterator};
 use url::Url;
 
 use crate::github;
@@ -361,11 +362,16 @@ impl EncodableCrate {
 fn domain_is_blocked(domain: &str) -> bool {
     DOCUMENTATION_BLOCKLIST
         .iter()
-        .any(|blocked| domain_is_subdomain(domain, blocked))
+        .any(|blocked| &domain == blocked || domain_is_subdomain(domain, blocked))
 }
 
 fn domain_is_subdomain(potential_subdomain: &str, root: &str) -> bool {
-    potential_subdomain.ends_with(root)
+    if !potential_subdomain.ends_with(root) {
+        return false;
+    }
+
+    let root_with_prefix = format!(".{root}");
+    potential_subdomain.ends_with(&root_with_prefix)
 }
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -917,4 +923,11 @@ mod tests {
             None
         );
     }
+
+    #[test]
+    fn documentation_blocked_non_subdomain() {
+        let input = Some(String::from("http://foorust-ci.org/"));
+        let result = EncodableCrate::remove_blocked_documentation_urls(input);
+        assert_some_eq!(result, "http://foorust-ci.org/");
+    }
 }