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// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"crypto/md5"
"encoding/json"
"fmt"
"runtime/debug"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/mattermost-server/model"
"github.com/mattermost/mattermost-server/utils"
)
func (a *App) Config() *model.Config {
if cfg := a.config.Load(); cfg != nil {
return cfg.(*model.Config)
}
return &model.Config{}
}
func (a *App) UpdateConfig(f func(*model.Config)) {
old := a.Config()
updated := old.Clone()
f(updated)
a.config.Store(updated)
a.InvokeConfigListeners(old, updated)
}
func (a *App) PersistConfig() {
utils.SaveConfig(a.ConfigFileName(), a.Config())
}
func (a *App) LoadConfig(configFile string) *model.AppError {
old := a.Config()
cfg, configPath, err := utils.LoadConfig(configFile)
if err != nil {
return err
}
a.configFile = configPath
utils.ConfigureLog(&cfg.LogSettings)
a.config.Store(cfg)
utils.SetSiteURL(*cfg.ServiceSettings.SiteURL)
a.InvokeConfigListeners(old, cfg)
return nil
}
func (a *App) ReloadConfig() *model.AppError {
debug.FreeOSMemory()
if err := a.LoadConfig(a.configFile); err != nil {
return err
}
// start/restart email batching job if necessary
a.InitEmailBatching()
return nil
}
func (a *App) ConfigFileName() string {
return a.configFile
}
func (a *App) ClientConfig() map[string]string {
return a.clientConfig
}
func (a *App) ClientConfigHash() string {
return a.clientConfigHash
}
func (a *App) EnableConfigWatch() {
if a.configWatcher == nil && !a.disableConfigWatch {
configWatcher, err := utils.NewConfigWatcher(a.ConfigFileName(), func() {
a.ReloadConfig()
})
if err != nil {
l4g.Error(err)
}
a.configWatcher = configWatcher
}
}
func (a *App) DisableConfigWatch() {
if a.configWatcher != nil {
a.configWatcher.Close()
a.configWatcher = nil
}
}
// Registers a function with a given to be called when the config is reloaded and may have changed. The function
// will be called with two arguments: the old config and the new config. AddConfigListener returns a unique ID
// for the listener that can later be used to remove it.
func (a *App) AddConfigListener(listener func(*model.Config, *model.Config)) string {
id := model.NewId()
a.configListeners[id] = listener
return id
}
// Removes a listener function by the unique ID returned when AddConfigListener was called
func (a *App) RemoveConfigListener(id string) {
delete(a.configListeners, id)
}
func (a *App) InvokeConfigListeners(old, current *model.Config) {
for _, listener := range a.configListeners {
listener(old, current)
}
}
func (a *App) regenerateClientConfig() {
a.clientConfig = utils.GenerateClientConfig(a.Config(), a.DiagnosticId())
clientConfigJSON, _ := json.Marshal(a.clientConfig)
a.clientConfigHash = fmt.Sprintf("%x", md5.Sum(clientConfigJSON))
}
func (a *App) Desanitize(cfg *model.Config) {
actual := a.Config()
if cfg.LdapSettings.BindPassword != nil && *cfg.LdapSettings.BindPassword == model.FAKE_SETTING {
*cfg.LdapSettings.BindPassword = *actual.LdapSettings.BindPassword
}
if *cfg.FileSettings.PublicLinkSalt == model.FAKE_SETTING {
*cfg.FileSettings.PublicLinkSalt = *actual.FileSettings.PublicLinkSalt
}
if cfg.FileSettings.AmazonS3SecretAccessKey == model.FAKE_SETTING {
cfg.FileSettings.AmazonS3SecretAccessKey = actual.FileSettings.AmazonS3SecretAccessKey
}
if cfg.EmailSettings.InviteSalt == model.FAKE_SETTING {
cfg.EmailSettings.InviteSalt = actual.EmailSettings.InviteSalt
}
if cfg.EmailSettings.SMTPPassword == model.FAKE_SETTING {
cfg.EmailSettings.SMTPPassword = actual.EmailSettings.SMTPPassword
}
if cfg.GitLabSettings.Secret == model.FAKE_SETTING {
cfg.GitLabSettings.Secret = actual.GitLabSettings.Secret
}
if *cfg.SqlSettings.DataSource == model.FAKE_SETTING {
*cfg.SqlSettings.DataSource = *actual.SqlSettings.DataSource
}
if cfg.SqlSettings.AtRestEncryptKey == model.FAKE_SETTING {
cfg.SqlSettings.AtRestEncryptKey = actual.SqlSettings.AtRestEncryptKey
}
if *cfg.ElasticsearchSettings.Password == model.FAKE_SETTING {
*cfg.ElasticsearchSettings.Password = *actual.ElasticsearchSettings.Password
}
for i := range cfg.SqlSettings.DataSourceReplicas {
cfg.SqlSettings.DataSourceReplicas[i] = actual.SqlSettings.DataSourceReplicas[i]
}
for i := range cfg.SqlSettings.DataSourceSearchReplicas {
cfg.SqlSettings.DataSourceSearchReplicas[i] = actual.SqlSettings.DataSourceSearchReplicas[i]
}
}
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