/
requestid.go
44 lines (39 loc) · 1.38 KB
/
requestid.go
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// Copyright (c) 2021 Terminus, Inc.
//
// 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 interceptors
import (
"github.com/google/uuid"
"github.com/labstack/echo"
)
// InjectRequestID inject request id for http request.
func InjectRequestID() echo.MiddlewareFunc {
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
req := c.Request()
res := c.Response()
rid := req.Header.Get(echo.HeaderXRequestID)
if rid == "" {
rid = uuid.NewString()
// set rid to request headers for proxy use, otherwise the forwarded target httpserver will inject a new X-Request-ID
req.Header.Set(echo.HeaderXRequestID, rid)
}
res.Header().Set(echo.HeaderXRequestID, rid)
return next(c)
}
}
}
// GetRequestID get request id from context.
func GetRequestID(c echo.Context) string {
return c.Response().Header().Get(echo.HeaderXRequestID)
}