| //Copyright 2017 Huawei Technologies Co., Ltd |
| // |
| //Licensed under the Apache License, Version 2.0 (the "License"); |
| //you may not use this file except in compliance with the License. |
| //You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| //Unless required by applicable law or agreed to in writing, software |
| //distributed under the License is distributed on an "AS IS" BASIS, |
| //WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| //See the License for the specific language governing permissions and |
| //limitations under the License. |
| package access |
| |
| import ( |
| "fmt" |
| "github.com/ServiceComb/service-center/server/core" |
| "github.com/ServiceComb/service-center/server/helper" |
| "github.com/ServiceComb/service-center/util/url" |
| "net/http" |
| ) |
| |
| func addCommonResponseHeaders(w http.ResponseWriter) { |
| w.Header().Add("server", core.Service.ServiceName+"/"+core.Service.Version) |
| } |
| |
| func Intercept(w http.ResponseWriter, r *http.Request) error { |
| helper.InitContext(r) |
| |
| addCommonResponseHeaders(w) |
| |
| if !urlvalidator.IsRequestURI(r.RequestURI) { |
| err := fmt.Errorf("Invalid Request URI %s", r.RequestURI) |
| w.WriteHeader(http.StatusBadRequest) |
| w.Write([]byte(err.Error())) |
| return err |
| } |
| return nil |
| } |