MM-22049: Add idle timeout to the HTTP server (#13788)

Co-authored-by: mattermod <mattermod@users.noreply.github.com>

app/server.go

@@ -515,6 +515,7 @@ func (s *Server) Start() error {
 		Handler:      handler,
 		ReadTimeout:  time.Duration(*s.Config().ServiceSettings.ReadTimeout) * time.Second,
 		WriteTimeout: time.Duration(*s.Config().ServiceSettings.WriteTimeout) * time.Second,
+		IdleTimeout:  time.Duration(*s.Config().ServiceSettings.IdleTimeout) * time.Second,
 		ErrorLog:     errStdLog,
 	}
 

model/config.go

@@ -93,6 +93,7 @@ const (
 	SERVICE_SETTINGS_DEFAULT_TLS_KEY_FILE       = ""
 	SERVICE_SETTINGS_DEFAULT_READ_TIMEOUT       = 300
 	SERVICE_SETTINGS_DEFAULT_WRITE_TIMEOUT      = 300
+	SERVICE_SETTINGS_DEFAULT_IDLE_TIMEOUT       = 60
 	SERVICE_SETTINGS_DEFAULT_MAX_LOGIN_ATTEMPTS = 10
 	SERVICE_SETTINGS_DEFAULT_ALLOW_CORS_FROM    = ""
 	SERVICE_SETTINGS_DEFAULT_LISTEN_AND_ADDRESS = ":8065"
@@ -256,6 +257,7 @@ type ServiceSettings struct {
 	TrustedProxyIPHeader                              []string `restricted:"true"`
 	ReadTimeout                                       *int     `restricted:"true"`
 	WriteTimeout                                      *int     `restricted:"true"`
+	IdleTimeout                                       *int     `restricted:"true"`
 	MaximumLoginAttempts                              *int     `restricted:"true"`
 	GoroutineHealthThreshold                          *int     `restricted:"true"`
 	GoogleDeveloperKey                                *string  `restricted:"true"`
@@ -459,6 +461,10 @@ func (s *ServiceSettings) SetDefaults(isUpdate bool) {
 		s.WriteTimeout = NewInt(SERVICE_SETTINGS_DEFAULT_WRITE_TIMEOUT)
 	}
 
+	if s.IdleTimeout == nil {
+		s.IdleTimeout = NewInt(SERVICE_SETTINGS_DEFAULT_IDLE_TIMEOUT)
+	}
+
 	if s.MaximumLoginAttempts == nil {
 		s.MaximumLoginAttempts = NewInt(SERVICE_SETTINGS_DEFAULT_MAX_LOGIN_ATTEMPTS)
 	}