fix: check and eliminate non ascii on port setter

Author: anonrig

src/url-setters.cpp

@@ -30,8 +30,8 @@ namespace ada {
     if (trimmed.empty()) { port = std::nullopt; return true; }
     // Input should not start with control characters.
     if (ada::unicode::is_c0_control_or_space(trimmed.front())) { return false; }
-    // Input should start with ascii digit character.
-    if (!checkers::is_digit(input.front())) { return false; }
+    // Input should contain at least one ascii digit.
+    if (input.find_first_of("0123456789") == std::string_view::npos) { return false; }
 
     // Revert changes if parse_port fails.
     std::optional<uint16_t> previous_port = port;

tests/wpt/ada_extra_setters_tests.json

@@ -37,6 +37,22 @@
         "port": ""
       }
     },
+    {
+      "comment": "Leading u0009 on special scheme",
+      "href": "https://yagiz.co:443",
+      "new_value": "\u00098080",
+      "expected": {
+        "port": "8080"
+      }
+    },
+    {
+      "comment": "Leading u0009 on non-special scheme",
+      "href": "wpt++://yagiz.co:443",
+      "new_value": "\u00098080",
+      "expected": {
+        "port": "8080"
+      }
+    },
     {
       "comment": "Trailing control characters",
       "href": "https://yagiz.co:443",