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// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"bufio"
"os"
"strings"
"time"
"runtime/debug"
"net/http"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/mattermost-server/einterfaces"
"github.com/mattermost/mattermost-server/jobs"
"github.com/mattermost/mattermost-server/model"
"github.com/mattermost/mattermost-server/store"
"github.com/mattermost/mattermost-server/utils"
)
func GetLogs(page, perPage int) ([]string, *model.AppError) {
perPage = 10000
var lines []string
if einterfaces.GetClusterInterface() != nil && *utils.Cfg.ClusterSettings.Enable {
lines = append(lines, "-----------------------------------------------------------------------------------------------------------")
lines = append(lines, "-----------------------------------------------------------------------------------------------------------")
lines = append(lines, einterfaces.GetClusterInterface().GetMyClusterInfo().Hostname)
lines = append(lines, "-----------------------------------------------------------------------------------------------------------")
lines = append(lines, "-----------------------------------------------------------------------------------------------------------")
}
melines, err := GetLogsSkipSend(page, perPage)
if err != nil {
return nil, err
}
lines = append(lines, melines...)
if einterfaces.GetClusterInterface() != nil && *utils.Cfg.ClusterSettings.Enable {
clines, err := einterfaces.GetClusterInterface().GetLogs(page, perPage)
if err != nil {
return nil, err
}
lines = append(lines, clines...)
}
return lines, nil
}
func GetLogsSkipSend(page, perPage int) ([]string, *model.AppError) {
var lines []string
if utils.Cfg.LogSettings.EnableFile {
file, err := os.Open(utils.GetLogFileLocation(utils.Cfg.LogSettings.FileLocation))
if err != nil {
return nil, model.NewAppError("getLogs", "api.admin.file_read_error", nil, err.Error(), http.StatusInternalServerError)
}
defer file.Close()
offsetCount := 0
limitCount := 0
scanner := bufio.NewScanner(file)
for scanner.Scan() {
if limitCount >= perPage {
break
}
if offsetCount >= page*perPage {
lines = append(lines, scanner.Text())
limitCount++
} else {
offsetCount++
}
}
} else {
lines = append(lines, "")
}
return lines, nil
}
func GetClusterStatus() []*model.ClusterInfo {
infos := make([]*model.ClusterInfo, 0)
if einterfaces.GetClusterInterface() != nil {
infos = einterfaces.GetClusterInterface().GetClusterInfos()
}
return infos
}
func (a *App) InvalidateAllCaches() *model.AppError {
debug.FreeOSMemory()
a.InvalidateAllCachesSkipSend()
if einterfaces.GetClusterInterface() != nil {
msg := &model.ClusterMessage{
Event: model.CLUSTER_EVENT_INVALIDATE_ALL_CACHES,
SendType: model.CLUSTER_SEND_RELIABLE,
WaitForAllToSend: true,
}
einterfaces.GetClusterInterface().SendClusterMessage(msg)
}
return nil
}
func (a *App) InvalidateAllCachesSkipSend() {
l4g.Info(utils.T("api.context.invalidate_all_caches"))
sessionCache.Purge()
ClearStatusCache()
store.ClearChannelCaches()
store.ClearUserCaches()
store.ClearPostCaches()
store.ClearWebhookCaches()
a.LoadLicense()
}
func GetConfig() *model.Config {
json := utils.Cfg.ToJson()
cfg := model.ConfigFromJson(strings.NewReader(json))
cfg.Sanitize()
return cfg
}
func ReloadConfig() {
debug.FreeOSMemory()
utils.LoadConfig(utils.CfgFileName)
// start/restart email batching job if necessary
InitEmailBatching()
}
func SaveConfig(cfg *model.Config, sendConfigChangeClusterMessage bool) *model.AppError {
oldCfg := utils.Cfg
cfg.SetDefaults()
utils.Desanitize(cfg)
if err := cfg.IsValid(); err != nil {
return err
}
if err := utils.ValidateLdapFilter(cfg); err != nil {
return err
}
if *utils.Cfg.ClusterSettings.Enable && *utils.Cfg.ClusterSettings.ReadOnlyConfig {
return model.NewAppError("saveConfig", "ent.cluster.save_config.error", nil, "", http.StatusForbidden)
}
utils.DisableConfigWatch()
utils.SaveConfig(utils.CfgFileName, cfg)
utils.LoadConfig(utils.CfgFileName)
utils.EnableConfigWatch()
if einterfaces.GetMetricsInterface() != nil {
if *utils.Cfg.MetricsSettings.Enable {
einterfaces.GetMetricsInterface().StartServer()
} else {
einterfaces.GetMetricsInterface().StopServer()
}
}
if einterfaces.GetClusterInterface() != nil {
err := einterfaces.GetClusterInterface().ConfigChanged(cfg, oldCfg, sendConfigChangeClusterMessage)
if err != nil {
return err
}
}
// start/restart email batching job if necessary
InitEmailBatching()
return nil
}
func (a *App) RecycleDatabaseConnection() {
oldStore := a.Srv.Store
l4g.Warn(utils.T("api.admin.recycle_db_start.warn"))
a.Srv.Store = store.NewLayeredStore()
jobs.Srv.Store = a.Srv.Store
time.Sleep(20 * time.Second)
oldStore.Close()
l4g.Warn(utils.T("api.admin.recycle_db_end.warn"))
}
func (a *App) TestEmail(userId string, cfg *model.Config) *model.AppError {
if len(cfg.EmailSettings.SMTPServer) == 0 {
return model.NewAppError("testEmail", "api.admin.test_email.missing_server", nil, utils.T("api.context.invalid_param.app_error", map[string]interface{}{"Name": "SMTPServer"}), http.StatusBadRequest)
}
// if the user hasn't changed their email settings, fill in the actual SMTP password so that
// the user can verify an existing SMTP connection
if cfg.EmailSettings.SMTPPassword == model.FAKE_SETTING {
if cfg.EmailSettings.SMTPServer == utils.Cfg.EmailSettings.SMTPServer &&
cfg.EmailSettings.SMTPPort == utils.Cfg.EmailSettings.SMTPPort &&
cfg.EmailSettings.SMTPUsername == utils.Cfg.EmailSettings.SMTPUsername {
cfg.EmailSettings.SMTPPassword = utils.Cfg.EmailSettings.SMTPPassword
} else {
return model.NewAppError("testEmail", "api.admin.test_email.reenter_password", nil, "", http.StatusBadRequest)
}
}
if user, err := a.GetUser(userId); err != nil {
return err
} else {
T := utils.GetUserTranslations(user.Locale)
if err := utils.SendMailUsingConfig(user.Email, T("api.admin.test_email.subject"), T("api.admin.test_email.body"), cfg); err != nil {
return err
}
}
return nil
}
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