porter/api/server/router/middleware/panic.go

package middleware

import (
	"fmt"
	"net/http"
	"runtime/debug"

	"github.com/porter-dev/porter/api/server/shared/apierrors"
	"github.com/porter-dev/porter/api/server/shared/config"
)

type PanicMiddleware struct {
	config *config.Config
}

func NewPanicMiddleware(config *config.Config) *PanicMiddleware {
	return &PanicMiddleware{config}
}

func (pmw *PanicMiddleware) Middleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		defer func() {
			err := recover()
			if err != nil {
				pmw.config.Logger.Error().Msg(string(debug.Stack()))
				apierrors.HandleAPIError(pmw.config.Logger, pmw.config.Alerter, w, r, apierrors.NewErrInternal(fmt.Errorf("%v", err)), true)
			}
		}()

		next.ServeHTTP(w, r)
	})
}