| // Copyright Istio Authors |
| // |
| // 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 common |
| |
| import ( |
| "net/http" |
| ) |
| |
| const ( |
| webSocketHeaderKey = "testwebsocket" |
| webSocketHeaderValue = "enabled" |
| ) |
| |
| // IsWebSocketRequest indicates whether the request contains the header that triggers an upgrade to the WebSocket protocol. |
| func IsWebSocketRequest(r *http.Request) bool { |
| return r.Header.Get(webSocketHeaderKey) == webSocketHeaderValue |
| } |
| |
| // SetWebSocketHeader sets the header on the request which will trigger an upgrade to the WebSocket protocol. |
| func SetWebSocketHeader(headers http.Header) { |
| headers.Set(webSocketHeaderKey, webSocketHeaderValue) |
| } |