diff --git a/app/controllers/api/v1/webhooks_controller.rb b/app/controllers/api/v1/webhooks_controller.rb
index 1933f24e..091d467e 100644
--- a/app/controllers/api/v1/webhooks_controller.rb
+++ b/app/controllers/api/v1/webhooks_controller.rb
@@ -10,10 +10,32 @@ module Api
           @site ||= Site.find_by_name!(params[:site_id])
         end
 
-        # valida la plataforma del webhook
+        # valida el token que envía la plataforma del webhook
+        def token 
+          @token ||=
+            begin
+              # Gitlab
+              if request.headers['X-Gitlab-Token']
+                request.headers["X-Gitlab-Token"]
+              # Github
+              elsif request.headers['X-HUB-SIGNATURE-256']
+                signature(request.env['HTTP_X_HUB_SIGNATURE_256'])
+              # Guitea
+              else
+                signature(request.env['HTTP_X_GITEA_SIGNATURE'])
+              end
+            end 
+        end
+
+        def token_from_signature(signature)
+          payload = request.body.read  
+          site.roles.where(temporal: false, rol: 'usuarie').pluck(:token).find do |token|
+            new_signature = hash_mac(OpenSSL::Digest.new('sha256'), token, payload)
+            @token ||= Rack::Utils.secure_compare(new_signature, signature)
+          end
+        end
+
         def usuarie
-          # Gitlab 
-          token = request.headers["X-Gitlab-Token"]
           @usuarie = site.roles.find_by!(temporal: false, rol: 'usuarie', token: token).usuarie
         end
 
@@ -23,6 +45,7 @@ module Api
           message = I18n.with_locale(site.default_locale) do
             I18n.t('webhooks.pull.message')
           end
+
           GitPullJob.perform_later(site, usuarie, message)
         end