github.com/kaydxh/golang@v0.0.131/pkg/middleware/http-middleware/debug/request_id.go (about)

     1  /*
     2   *Copyright (c) 2022, kaydxh
     3   *
     4   *Permission is hereby granted, free of charge, to any person obtaining a copy
     5   *of this software and associated documentation files (the "Software"), to deal
     6   *in the Software without restriction, including without limitation the rights
     7   *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     8   *copies of the Software, and to permit persons to whom the Software is
     9   *furnished to do so, subject to the following conditions:
    10   *
    11   *The above copyright notice and this permission notice shall be included in all
    12   *copies or substantial portions of the Software.
    13   *
    14   *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15   *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16   *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17   *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18   *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19   *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20   *SOFTWARE.
    21   */
    22  package interceptordebug
    23  
    24  import (
    25  	"net/http"
    26  
    27  	"github.com/google/uuid"
    28  	http_ "github.com/kaydxh/golang/go/net/http"
    29  )
    30  
    31  func RequestID(handler http.Handler) http.Handler {
    32  	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    33  		requestID := http_.ExtractRequestIdHTTPAndContext(r)
    34  		if requestID == "" {
    35  			requestID = uuid.New().String()
    36  		}
    37  
    38  		r = http_.SetRequestIdContext(r, requestID)
    39  		handler.ServeHTTP(w, r)
    40  	})
    41  }
    42  
    43  func SetPairsContext(keys []string) func(handler http.Handler) http.Handler {
    44  	return func(handler http.Handler) http.Handler {
    45  		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    46  			for _, key := range keys {
    47  				value := http_.ExtractHTTPAndContext(r, key)
    48  				if value != "" {
    49  					r = http_.SetPairContext(r, key, value)
    50  				}
    51  			}
    52  
    53  			handler.ServeHTTP(w, r)
    54  		})
    55  	}
    56  }