Use escaped path for StripRequestPath

Author: arnaldur

paths/paths.go

@@ -153,7 +153,7 @@ func StripRequestPath(request *http.Request, document *v3.Document) string {
 	basePaths := getBasePaths(document)
 
 	// strip any base path
-	stripped := stripBaseFromPath(request.URL.Path, basePaths)
+	stripped := stripBaseFromPath(request.URL.EscapedPath(), basePaths)
 	if request.URL.Fragment != "" {
 		stripped = fmt.Sprintf("%s#%s", stripped, request.URL.Fragment)
 	}

paths/paths_test.go

@@ -675,3 +675,24 @@ paths:
 
 	assert.Equal(t, expectedPaths, basePaths)
 }
+
+func TestNewValidator_FindPathWithEncodedArg(t *testing.T) {
+
+	spec := `openapi: 3.1.0
+paths:
+  /something/{string_contains_encoded}:
+    put:
+      operationId: putSomething
+`
+
+	doc, _ := libopenapi.NewDocument([]byte(spec))
+
+	m, _ := doc.BuildV3Model()
+
+	request, _ := http.NewRequest(http.MethodPut, "https://things.com/something/pkg%3Agithub%2Frs%2Fzerolog%40v1.18.0", nil)
+
+	pathItem, errs, _ := FindPath(request, &m.Model)
+
+	assert.Equal(t, 0, len(errs), "Errors found: %v", errs)
+	assert.NotNil(t, pathItem)
+}