github.com/kaydxh/golang@v0.0.131/pkg/middleware/api/trivial/v1/http.interceptor.error.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 v1
    23  
    24  import (
    25  	"context"
    26  	"encoding/json"
    27  	"fmt"
    28  	"net/http"
    29  
    30  	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
    31  	context_ "github.com/kaydxh/golang/go/context"
    32  	errors_ "github.com/kaydxh/golang/go/errors"
    33  	http_ "github.com/kaydxh/golang/go/net/http"
    34  	runtime_ "github.com/kaydxh/golang/go/runtime"
    35  	strings_ "github.com/kaydxh/golang/go/strings"
    36  	"github.com/sirupsen/logrus"
    37  
    38  	"google.golang.org/protobuf/proto"
    39  )
    40  
    41  // HTTPError uses the mux-configured error handler.
    42  func HTTPError(ctx context.Context, mux *runtime.ServeMux,
    43  	marshaler runtime.Marshaler, w http.ResponseWriter, r *http.Request, err error) {
    44  
    45  	requestId := context_.ExtractStringFromContext(ctx, http_.DefaultHTTPRequestIDKey)
    46  	if requestId == "" {
    47  		requestId = strings_.GetStringOrFallback(
    48  			append(runtime_.GetMetadata(ctx, http_.DefaultHTTPRequestIDKey), "")...)
    49  	}
    50  
    51  	errResponse := &TrivialErrorResponse{
    52  		ErrorCode: int32(errors_.ErrorToCode(err)),
    53  		ErrorMsg:  errors_.ErrorToString(err),
    54  		SessionId: requestId,
    55  	}
    56  	logrus.WithField("request_id", requestId).WithField("response", errResponse).Errorf("send")
    57  
    58  	// ForwardResponseMessage forwards the message "resp" from gRPC server to REST client
    59  	runtime.ForwardResponseMessage(ctx, mux, marshaler, w, r, errResponse)
    60  }
    61  
    62  //cant not rewrite message, only append message to response
    63  func HTTPForwardResponse(ctx context.Context, r http.ResponseWriter, message proto.Message) error {
    64  	jb, err := json.Marshal(message)
    65  	if err != nil {
    66  		return fmt.Errorf("jsonpb.Marshal: %v", err)
    67  	}
    68  
    69  	r.Write(jb)
    70  
    71  	return nil
    72  }