Mainflux.mainflux/authn/api/logging.go

84 lines
2.4 KiB
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
// +build !test
package api
import (
"context"
"fmt"
"time"
"github.com/mainflux/mainflux/authn"
log "github.com/mainflux/mainflux/logger"
)
var _ authn.Service = (*loggingMiddleware)(nil)
type loggingMiddleware struct {
logger log.Logger
svc authn.Service
}
// LoggingMiddleware adds logging facilities to the core service.
func LoggingMiddleware(svc authn.Service, logger log.Logger) authn.Service {
return &loggingMiddleware{logger, svc}
}
func (lm *loggingMiddleware) Issue(ctx context.Context, issuer string, newKey authn.Key) (key authn.Key, err error) {
defer func(begin time.Time) {
d := "infinite duration"
if !key.ExpiresAt.IsZero() {
d = fmt.Sprintf("the key with expiration date %v", key.ExpiresAt)
}
message := fmt.Sprintf("Method issue for %s took %s to complete", d, time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.Issue(ctx, issuer, newKey)
}
func (lm *loggingMiddleware) Revoke(ctx context.Context, owner, id string) (err error) {
defer func(begin time.Time) {
message := fmt.Sprintf("Method revoke for key %s took %s to complete", id, time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.Revoke(ctx, owner, id)
}
func (lm *loggingMiddleware) Retrieve(ctx context.Context, owner, id string) (key authn.Key, err error) {
defer func(begin time.Time) {
message := fmt.Sprintf("Method retrieve for key %s took %s to complete", id, time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.Retrieve(ctx, owner, id)
}
func (lm *loggingMiddleware) Identify(ctx context.Context, key string) (id string, err error) {
defer func(begin time.Time) {
message := fmt.Sprintf("Method identify took %s to complete", time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.Identify(ctx, key)
}