mirror of
https://github.com/netbirdio/netbird.git
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765aba2c1c
propagate context from all the API calls and log request ID, account ID and peer ID --------- Co-authored-by: Zoltan Papp <zoltan.pmail@gmail.com>
115 lines
3.0 KiB
Go
115 lines
3.0 KiB
Go
package util
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"strings"
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"time"
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log "github.com/sirupsen/logrus"
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"github.com/netbirdio/netbird/management/server/status"
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)
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type ErrorResponse struct {
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Message string `json:"message"`
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Code int `json:"code"`
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}
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// WriteJSONObject simply writes object to the HTTP response in JSON format
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func WriteJSONObject(ctx context.Context, w http.ResponseWriter, obj interface{}) {
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w.Header().Set("Content-Type", "application/json; charset=UTF-8")
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w.WriteHeader(http.StatusOK)
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err := json.NewEncoder(w).Encode(obj)
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if err != nil {
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WriteError(ctx, err, w)
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return
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}
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}
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// Duration is used strictly for JSON requests/responses due to duration marshalling issues
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type Duration struct {
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time.Duration
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}
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// MarshalJSON marshals the duration
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func (d Duration) MarshalJSON() ([]byte, error) {
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return json.Marshal(d.String())
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}
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// UnmarshalJSON unmarshals the duration
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func (d *Duration) UnmarshalJSON(b []byte) error {
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var v interface{}
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if err := json.Unmarshal(b, &v); err != nil {
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return err
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}
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switch value := v.(type) {
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case float64:
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d.Duration = time.Duration(value)
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return nil
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case string:
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var err error
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d.Duration, err = time.ParseDuration(value)
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if err != nil {
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return err
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}
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return nil
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default:
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return errors.New("invalid duration")
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}
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}
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// WriteErrorResponse prepares and writes an error response i nJSON
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func WriteErrorResponse(errMsg string, httpStatus int, w http.ResponseWriter) {
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w.Header().Set("Content-Type", "application/json; charset=UTF-8")
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w.WriteHeader(httpStatus)
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err := json.NewEncoder(w).Encode(&ErrorResponse{
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Message: errMsg,
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Code: httpStatus,
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})
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if err != nil {
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http.Error(w, "failed handling request", http.StatusInternalServerError)
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}
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}
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// WriteError converts an error to an JSON error response.
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// If it is known internal error of type server.Error then it sets the messages from the error, a generic message otherwise
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func WriteError(ctx context.Context, err error, w http.ResponseWriter) {
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log.WithContext(ctx).Errorf("got a handler error: %s", err.Error())
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errStatus, ok := status.FromError(err)
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httpStatus := http.StatusInternalServerError
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msg := "internal server error"
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if ok {
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switch errStatus.Type() {
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case status.UserAlreadyExists:
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httpStatus = http.StatusConflict
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case status.AlreadyExists:
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httpStatus = http.StatusConflict
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case status.PreconditionFailed:
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httpStatus = http.StatusPreconditionFailed
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case status.PermissionDenied:
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httpStatus = http.StatusForbidden
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case status.NotFound:
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httpStatus = http.StatusNotFound
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case status.Internal:
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httpStatus = http.StatusInternalServerError
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case status.InvalidArgument:
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httpStatus = http.StatusUnprocessableEntity
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case status.Unauthorized:
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httpStatus = http.StatusUnauthorized
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case status.BadRequest:
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httpStatus = http.StatusBadRequest
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default:
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}
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msg = strings.ToLower(err.Error())
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} else {
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unhandledMSG := fmt.Sprintf("got unhandled error code, error: %s", err.Error())
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log.WithContext(ctx).Error(unhandledMSG)
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}
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WriteErrorResponse(msg, httpStatus, w)
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}
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