istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/test/echo/common/websocket.go (about)

     1  //  Copyright Istio Authors
     2  //
     3  //  Licensed under the Apache License, Version 2.0 (the "License");
     4  //  you may not use this file except in compliance with the License.
     5  //  You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  //  Unless required by applicable law or agreed to in writing, software
    10  //  distributed under the License is distributed on an "AS IS" BASIS,
    11  //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  //  See the License for the specific language governing permissions and
    13  //  limitations under the License.
    14  
    15  package common
    16  
    17  import "net/http"
    18  
    19  const (
    20  	webSocketHeaderKey   = "testwebsocket"
    21  	webSocketHeaderValue = "enabled"
    22  )
    23  
    24  // IsWebSocketRequest indicates whether the request contains the header that triggers an upgrade to the WebSocket protocol.
    25  func IsWebSocketRequest(r *http.Request) bool {
    26  	return r.Header.Get(webSocketHeaderKey) == webSocketHeaderValue
    27  }
    28  
    29  // SetWebSocketHeader sets the header on the request which will trigger an upgrade to the WebSocket protocol.
    30  func SetWebSocketHeader(headers http.Header) {
    31  	headers.Set(webSocketHeaderKey, webSocketHeaderValue)
    32  }