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// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"crypto/md5"
"fmt"
"net/http"
"strings"
"github.com/mattermost/mattermost-server/mlog"
"github.com/mattermost/mattermost-server/model"
"github.com/mattermost/mattermost-server/utils"
)
func (a *App) LoadLicense() {
a.SetLicense(nil)
licenseId := ""
if result := <-a.Srv.Store.System().Get(); result.Err == nil {
props := result.Data.(model.StringMap)
licenseId = props[model.SYSTEM_ACTIVE_LICENSE_ID]
}
if len(licenseId) != 26 {
// Lets attempt to load the file from disk since it was missing from the DB
license, licenseBytes := utils.GetAndValidateLicenseFileFromDisk(*a.Config().ServiceSettings.LicenseFileLocation)
if license != nil {
if _, err := a.SaveLicense(licenseBytes); err != nil {
mlog.Info(fmt.Sprintf("Failed to save license key loaded from disk err=%v", err.Error()))
} else {
licenseId = license.Id
}
}
}
if result := <-a.Srv.Store.License().Get(licenseId); result.Err == nil {
record := result.Data.(*model.LicenseRecord)
a.ValidateAndSetLicenseBytes([]byte(record.Bytes))
mlog.Info("License key valid unlocking enterprise features.")
} else {
mlog.Info("License key from https://mattermost.com required to unlock enterprise features.")
}
}
func (a *App) SaveLicense(licenseBytes []byte) (*model.License, *model.AppError) {
success, licenseStr := utils.ValidateLicense(licenseBytes)
if !success {
return nil, model.NewAppError("addLicense", model.INVALID_LICENSE_ERROR, nil, "", http.StatusBadRequest)
}
license := model.LicenseFromJson(strings.NewReader(licenseStr))
result := <-a.Srv.Store.User().AnalyticsUniqueUserCount("")
if result.Err != nil {
return nil, model.NewAppError("addLicense", "api.license.add_license.invalid_count.app_error", nil, result.Err.Error(), http.StatusBadRequest)
}
uniqueUserCount := result.Data.(int64)
if uniqueUserCount > int64(*license.Features.Users) {
return nil, model.NewAppError("addLicense", "api.license.add_license.unique_users.app_error", map[string]interface{}{"Users": *license.Features.Users, "Count": uniqueUserCount}, "", http.StatusBadRequest)
}
if ok := a.SetLicense(license); !ok {
return nil, model.NewAppError("addLicense", model.EXPIRED_LICENSE_ERROR, nil, "", http.StatusBadRequest)
}
record := &model.LicenseRecord{}
record.Id = license.Id
record.Bytes = string(licenseBytes)
rchan := a.Srv.Store.License().Save(record)
if result := <-rchan; result.Err != nil {
a.RemoveLicense()
return nil, model.NewAppError("addLicense", "api.license.add_license.save.app_error", nil, "err="+result.Err.Error(), http.StatusInternalServerError)
}
sysVar := &model.System{}
sysVar.Name = model.SYSTEM_ACTIVE_LICENSE_ID
sysVar.Value = license.Id
schan := a.Srv.Store.System().SaveOrUpdate(sysVar)
if result := <-schan; result.Err != nil {
a.RemoveLicense()
return nil, model.NewAppError("addLicense", "api.license.add_license.save_active.app_error", nil, "", http.StatusInternalServerError)
}
a.ReloadConfig()
a.InvalidateAllCaches()
// start job server if necessary - this handles the edge case where a license file is uploaded, but the job server
// doesn't start until the server is restarted, which prevents the 'run job now' buttons in system console from
// functioning as expected
if *a.Config().JobSettings.RunJobs {
a.Jobs.StartWorkers()
}
if *a.Config().JobSettings.RunScheduler {
a.Jobs.StartSchedulers()
}
return license, nil
}
// License returns the currently active license or nil if the application is unlicensed.
func (a *App) License() *model.License {
license, _ := a.licenseValue.Load().(*model.License)
return license
}
func (a *App) SetLicense(license *model.License) bool {
defer func() {
for _, listener := range a.licenseListeners {
listener()
}
}()
if license != nil {
license.Features.SetDefaults()
if !license.IsExpired() {
a.licenseValue.Store(license)
a.clientLicenseValue.Store(utils.GetClientLicense(license))
return true
}
}
a.licenseValue.Store((*model.License)(nil))
a.clientLicenseValue.Store(map[string]string(nil))
return false
}
func (a *App) ValidateAndSetLicenseBytes(b []byte) {
if success, licenseStr := utils.ValidateLicense(b); success {
license := model.LicenseFromJson(strings.NewReader(licenseStr))
a.SetLicense(license)
return
}
mlog.Warn("No valid enterprise license found")
}
func (a *App) SetClientLicense(m map[string]string) {
a.clientLicenseValue.Store(m)
}
func (a *App) ClientLicense() map[string]string {
if clientLicense, _ := a.clientLicenseValue.Load().(map[string]string); clientLicense != nil {
return clientLicense
}
return map[string]string{"IsLicensed": "false"}
}
func (a *App) RemoveLicense() *model.AppError {
if license, _ := a.licenseValue.Load().(*model.License); license == nil {
return nil
}
sysVar := &model.System{}
sysVar.Name = model.SYSTEM_ACTIVE_LICENSE_ID
sysVar.Value = ""
if result := <-a.Srv.Store.System().SaveOrUpdate(sysVar); result.Err != nil {
return result.Err
}
a.SetLicense(nil)
a.ReloadConfig()
a.InvalidateAllCaches()
return nil
}
func (a *App) AddLicenseListener(listener func()) string {
id := model.NewId()
a.licenseListeners[id] = listener
return id
}
func (a *App) RemoveLicenseListener(id string) {
delete(a.licenseListeners, id)
}
func (a *App) GetClientLicenseEtag(useSanitized bool) string {
value := ""
lic := a.ClientLicense()
if useSanitized {
lic = a.GetSanitizedClientLicense()
}
for k, v := range lic {
value += fmt.Sprintf("%s:%s;", k, v)
}
return model.Etag(fmt.Sprintf("%x", md5.Sum([]byte(value))))
}
func (a *App) GetSanitizedClientLicense() map[string]string {
sanitizedLicense := make(map[string]string)
for k, v := range a.ClientLicense() {
sanitizedLicense[k] = v
}
delete(sanitizedLicense, "Id")
delete(sanitizedLicense, "Name")
delete(sanitizedLicense, "Email")
delete(sanitizedLicense, "PhoneNumber")
delete(sanitizedLicense, "IssuedAt")
delete(sanitizedLicense, "StartsAt")
delete(sanitizedLicense, "ExpiresAt")
return sanitizedLicense
}
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