chore: simplify attachment file writing

plugin/idp/oauth2/oauth2.go

@@ -90,11 +90,12 @@ func (p *IdentityProvider) UserInfo(token string) (*idp.IdentityProviderUserInfo
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to get user information")
 	}
+	defer resp.Body.Close()
+
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to read response body")
 	}
-	defer resp.Body.Close()
 
 	var claims map[string]any
 	if err := json.Unmarshal(body, &claims); err != nil {

plugin/scheduler/scheduler.go

@@ -153,9 +153,11 @@ func (s *Scheduler) runJobWithSchedule(ctx context.Context, rj *registeredJob, s
 				_ = err
 			}
 		case <-ctx.Done():
+			// Stop the timer to prevent it from firing. The timer will be garbage collected.
 			timer.Stop()
 			return
 		case <-s.stopCh:
+			// Stop the timer to prevent it from firing. The timer will be garbage collected.
 			timer.Stop()
 			return
 		}

plugin/webhook/webhook.go

@@ -49,12 +49,12 @@ func Post(requestPayload *WebhookRequestPayload) error {
 	if err != nil {
 		return errors.Wrapf(err, "failed to post webhook to %s", requestPayload.URL)
 	}
+	defer resp.Body.Close()
 
 	b, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return errors.Wrapf(err, "failed to read webhook response from %s", requestPayload.URL)
 	}
-	defer resp.Body.Close()
 
 	if resp.StatusCode < 200 || resp.StatusCode > 299 {
 		return errors.Errorf("failed to post webhook %s, status code: %d, response body: %s", requestPayload.URL, resp.StatusCode, b)

server/router/api/v1/attachment_service.go

@@ -317,11 +317,6 @@ func SaveAttachmentBlob(ctx context.Context, profile *profile.Profile, stores *s
 		if err = os.MkdirAll(dir, os.ModePerm); err != nil {
 			return errors.Wrap(err, "Failed to create directory")
 		}
-		dst, err := os.Create(osPath)
-		if err != nil {
-			return errors.Wrap(err, "Failed to create file")
-		}
-		defer dst.Close()
 
 		// Write the blob to the file.
 		if err := os.WriteFile(osPath, create.Blob, 0644); err != nil {