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