Files
mostlymatter/app/license.go
Ibrahim Serdar Acikgoz 717a4d04a9 Use any instead of interface{} (#20577)
* replace interface{} with any
2022-07-05 09:46:50 +03:00

413 строки
14 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package app
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"os"
"time"
"github.com/dgrijalva/jwt-go"
"github.com/pkg/errors"
"github.com/mattermost/mattermost-server/v6/jobs"
"github.com/mattermost/mattermost-server/v6/model"
"github.com/mattermost/mattermost-server/v6/shared/mlog"
"github.com/mattermost/mattermost-server/v6/store"
"github.com/mattermost/mattermost-server/v6/utils"
)
const (
LicenseEnv = "MM_LICENSE"
LicenseRenewalURL = "https://customers.mattermost.com/subscribe/renew"
JWTDefaultTokenExpiration = 7 * 24 * time.Hour // 7 days of expiration
)
var RequestTrialURL = "https://customers.mattermost.com/api/v1/trials"
// licenseWrapper is an adapter struct that only exposes the
// config related functionality to be passed down to other products.
type licenseWrapper struct {
srv *Server
}
func (w *licenseWrapper) Name() ServiceKey {
return LicenseKey
}
func (w *licenseWrapper) GetLicense() *model.License {
return w.srv.License()
}
func (w *licenseWrapper) RequestTrialLicense(requesterID string, users int, termsAccepted bool, receiveEmailsAccepted bool) *model.AppError {
if *w.srv.Config().ExperimentalSettings.RestrictSystemAdmin {
return model.NewAppError("RequestTrialLicense", "api.restricted_system_admin", nil, "", http.StatusForbidden)
}
if !termsAccepted {
return model.NewAppError("RequestTrialLicense", "api.license.request-trial.bad-request.terms-not-accepted", nil, "", http.StatusBadRequest)
}
if users == 0 {
return model.NewAppError("RequestTrialLicense", "api.license.request-trial.bad-request", nil, "", http.StatusBadRequest)
}
requester, err := w.srv.userService.GetUser(requesterID)
if err != nil {
var nfErr *store.ErrNotFound
switch {
case errors.As(err, &nfErr):
return model.NewAppError("RequestTrialLicense", MissingAccountError, nil, nfErr.Error(), http.StatusNotFound)
default:
return model.NewAppError("RequestTrialLicense", "app.user.get_by_username.app_error", nil, err.Error(), http.StatusInternalServerError)
}
}
if *w.srv.Config().ServiceSettings.SiteURL == "" {
return model.NewAppError("RequestTrialLicense", "api.license.request_trial_license.no-site-url.app_error", nil, "", http.StatusBadRequest)
}
trialLicenseRequest := &model.TrialLicenseRequest{
ServerID: w.srv.TelemetryId(),
Name: requester.GetDisplayName(model.ShowFullName),
Email: requester.Email,
SiteName: *w.srv.Config().TeamSettings.SiteName,
SiteURL: *w.srv.Config().ServiceSettings.SiteURL,
Users: users,
TermsAccepted: termsAccepted,
ReceiveEmailsAccepted: receiveEmailsAccepted,
}
return w.srv.RequestTrialLicense(trialLicenseRequest)
}
// JWTClaims custom JWT claims with the needed information for the
// renewal process
type JWTClaims struct {
LicenseID string `json:"license_id"`
ActiveUsers int64 `json:"active_users"`
jwt.StandardClaims
}
func (s *Server) LoadLicense() {
// ENV var overrides all other sources of license.
licenseStr := os.Getenv(LicenseEnv)
if licenseStr != "" {
license, err := utils.LicenseValidator.LicenseFromBytes([]byte(licenseStr))
if err != nil {
mlog.Error("Failed to read license set in environment.", mlog.Err(err))
return
}
// skip the restrictions if license is a sanctioned trial
if !license.IsSanctionedTrial() && license.IsTrialLicense() {
canStartTrialLicense, err := s.LicenseManager.CanStartTrial()
if err != nil {
mlog.Error("Failed to validate trial eligibility.", mlog.Err(err))
return
}
if !canStartTrialLicense {
mlog.Info("Cannot start trial multiple times.")
return
}
}
if s.ValidateAndSetLicenseBytes([]byte(licenseStr)) {
mlog.Info("License key from ENV is valid, unlocking enterprise features.")
}
return
}
licenseId := ""
props, nErr := s.Store.System().Get()
if nErr == nil {
licenseId = props[model.SystemActiveLicenseId]
}
if !model.IsValidId(licenseId) {
// Lets attempt to load the file from disk since it was missing from the DB
license, licenseBytes := utils.GetAndValidateLicenseFileFromDisk(*s.Config().ServiceSettings.LicenseFileLocation)
if license != nil {
if _, err := s.SaveLicense(licenseBytes); err != nil {
mlog.Error("Failed to save license key loaded from disk.", mlog.Err(err))
} else {
licenseId = license.Id
}
}
}
record, nErr := s.Store.License().Get(licenseId)
if nErr != nil {
mlog.Error("License key from https://mattermost.com required to unlock enterprise features.", mlog.Err(nErr))
s.SetLicense(nil)
return
}
s.ValidateAndSetLicenseBytes([]byte(record.Bytes))
mlog.Info("License key valid unlocking enterprise features.")
}
func (s *Server) SaveLicense(licenseBytes []byte) (*model.License, *model.AppError) {
success, licenseStr := utils.LicenseValidator.ValidateLicense(licenseBytes)
if !success {
return nil, model.NewAppError("addLicense", model.InvalidLicenseError, nil, "", http.StatusBadRequest)
}
var license model.License
if jsonErr := json.Unmarshal([]byte(licenseStr), &license); jsonErr != nil {
return nil, model.NewAppError("addLicense", "api.unmarshal_error", nil, jsonErr.Error(), http.StatusInternalServerError)
}
uniqueUserCount, err := s.Store.User().Count(model.UserCountOptions{})
if err != nil {
return nil, model.NewAppError("addLicense", "api.license.add_license.invalid_count.app_error", nil, err.Error(), http.StatusBadRequest)
}
if uniqueUserCount > int64(*license.Features.Users) {
return nil, model.NewAppError("addLicense", "api.license.add_license.unique_users.app_error", map[string]any{"Users": *license.Features.Users, "Count": uniqueUserCount}, "", http.StatusBadRequest)
}
if license.IsExpired() {
return nil, model.NewAppError("addLicense", model.ExpiredLicenseError, nil, "", http.StatusBadRequest)
}
if *s.Config().JobSettings.RunJobs && s.Jobs != nil {
if err := s.Jobs.StopWorkers(); err != nil && !errors.Is(err, jobs.ErrWorkersNotRunning) {
mlog.Warn("Stopping job server workers failed", mlog.Err(err))
}
}
if *s.Config().JobSettings.RunScheduler && s.Jobs != nil {
if err := s.Jobs.StopSchedulers(); err != nil && !errors.Is(err, jobs.ErrSchedulersNotRunning) {
mlog.Error("Stopping job server schedulers failed", mlog.Err(err))
}
}
defer func() {
// restart job server workers - 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 *s.Config().JobSettings.RunJobs && s.Jobs != nil {
if err := s.Jobs.StartWorkers(); err != nil {
mlog.Error("Starting job server workers failed", mlog.Err(err))
}
}
if *s.Config().JobSettings.RunScheduler && s.Jobs != nil {
if err := s.Jobs.StartSchedulers(); err != nil && !errors.Is(err, jobs.ErrSchedulersRunning) {
mlog.Error("Starting job server schedulers failed", mlog.Err(err))
}
}
}()
if ok := s.SetLicense(&license); !ok {
return nil, model.NewAppError("addLicense", model.ExpiredLicenseError, nil, "", http.StatusBadRequest)
}
record := &model.LicenseRecord{}
record.Id = license.Id
record.Bytes = string(licenseBytes)
_, nErr := s.Store.License().Save(record)
if nErr != nil {
s.RemoveLicense()
var appErr *model.AppError
switch {
case errors.As(nErr, &appErr):
return nil, appErr
default:
return nil, model.NewAppError("addLicense", "api.license.add_license.save.app_error", nil, nErr.Error(), http.StatusInternalServerError)
}
}
sysVar := &model.System{}
sysVar.Name = model.SystemActiveLicenseId
sysVar.Value = license.Id
if err := s.Store.System().SaveOrUpdate(sysVar); err != nil {
s.RemoveLicense()
return nil, model.NewAppError("addLicense", "api.license.add_license.save_active.app_error", nil, "", http.StatusInternalServerError)
}
s.ReloadConfig()
s.InvalidateAllCaches()
return &license, nil
}
func (s *Server) SetLicense(license *model.License) bool {
oldLicense := s.licenseValue.Load()
defer func() {
for _, listener := range s.licenseListeners {
if oldLicense == nil {
listener(nil, license)
} else {
listener(oldLicense.(*model.License), license)
}
}
}()
if license != nil {
license.Features.SetDefaults()
s.licenseValue.Store(license)
s.clientLicenseValue.Store(utils.GetClientLicense(license))
return true
}
s.licenseValue.Store((*model.License)(nil))
s.clientLicenseValue.Store(map[string]string(nil))
return false
}
func (s *Server) ValidateAndSetLicenseBytes(b []byte) bool {
if success, licenseStr := utils.LicenseValidator.ValidateLicense(b); success {
var license model.License
if jsonErr := json.Unmarshal([]byte(licenseStr), &license); jsonErr != nil {
mlog.Warn("Failed to decode license from JSON", mlog.Err(jsonErr))
return false
}
s.SetLicense(&license)
return true
}
mlog.Warn("No valid enterprise license found")
return false
}
func (s *Server) SetClientLicense(m map[string]string) {
s.clientLicenseValue.Store(m)
}
func (s *Server) ClientLicense() map[string]string {
if clientLicense, _ := s.clientLicenseValue.Load().(map[string]string); clientLicense != nil {
return clientLicense
}
return map[string]string{"IsLicensed": "false"}
}
func (s *Server) RemoveLicense() *model.AppError {
if license, _ := s.licenseValue.Load().(*model.License); license == nil {
return nil
}
mlog.Info("Remove license.", mlog.String("id", model.SystemActiveLicenseId))
sysVar := &model.System{}
sysVar.Name = model.SystemActiveLicenseId
sysVar.Value = ""
if err := s.Store.System().SaveOrUpdate(sysVar); err != nil {
return model.NewAppError("RemoveLicense", "app.system.save.app_error", nil, err.Error(), http.StatusInternalServerError)
}
s.SetLicense(nil)
s.ReloadConfig()
s.InvalidateAllCaches()
return nil
}
func (s *Server) AddLicenseListener(listener func(oldLicense, newLicense *model.License)) string {
id := model.NewId()
s.licenseListeners[id] = listener
return id
}
func (s *Server) RemoveLicenseListener(id string) {
delete(s.licenseListeners, id)
}
func (s *Server) GetSanitizedClientLicense() map[string]string {
return utils.GetSanitizedClientLicense(s.ClientLicense())
}
// RequestTrialLicense request a trial license from the mattermost official license server
func (s *Server) RequestTrialLicense(trialRequest *model.TrialLicenseRequest) *model.AppError {
trialRequestJSON, jsonErr := json.Marshal(trialRequest)
if jsonErr != nil {
return model.NewAppError("RequestTrialLicense", "api.unmarshal_error", nil, jsonErr.Error(), http.StatusInternalServerError)
}
resp, err := http.Post(RequestTrialURL, "application/json", bytes.NewBuffer(trialRequestJSON))
if err != nil {
return model.NewAppError("RequestTrialLicense", "api.license.request_trial_license.app_error", nil, err.Error(), http.StatusBadRequest)
}
defer resp.Body.Close()
// CloudFlare sitting in front of the Customer Portal will block this request with a 451 response code in the event that the request originates from a country sanctioned by the U.S. Government.
if resp.StatusCode == http.StatusUnavailableForLegalReasons {
return model.NewAppError("RequestTrialLicense", "api.license.request_trial_license.embargoed", nil, "Request for trial license came from an embargoed country", http.StatusUnavailableForLegalReasons)
}
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
return model.NewAppError("RequestTrialLicense", "api.license.request_trial_license.app_error", nil,
fmt.Sprintf("Unexpected HTTP status code %q returned by server", resp.Status), http.StatusInternalServerError)
}
licenseResponse := model.MapFromJSON(resp.Body)
if _, ok := licenseResponse["license"]; !ok {
return model.NewAppError("RequestTrialLicense", "api.license.request_trial_license.app_error", nil, licenseResponse["message"], http.StatusBadRequest)
}
if _, err := s.SaveLicense([]byte(licenseResponse["license"])); err != nil {
return err
}
s.ReloadConfig()
s.InvalidateAllCaches()
return nil
}
// GenerateRenewalToken returns a renewal token that expires after duration expiration
func (s *Server) GenerateRenewalToken(expiration time.Duration) (string, *model.AppError) {
license := s.License()
if license == nil {
return "", model.NewAppError("GenerateRenewalToken", "app.license.generate_renewal_token.no_license", nil, "", http.StatusBadRequest)
}
if *license.Features.Cloud {
return "", model.NewAppError("GenerateRenewalToken", "app.license.generate_renewal_token.bad_license", nil, "", http.StatusBadRequest)
}
activeUsers, err := s.Store.User().Count(model.UserCountOptions{})
if err != nil {
return "", model.NewAppError("GenerateRenewalToken", "app.license.generate_renewal_token.app_error",
nil, err.Error(), http.StatusInternalServerError)
}
expirationTime := time.Now().UTC().Add(expiration)
claims := &JWTClaims{
LicenseID: license.Id,
ActiveUsers: activeUsers,
StandardClaims: jwt.StandardClaims{
ExpiresAt: expirationTime.Unix(),
},
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
tokenString, err := token.SignedString([]byte(license.Customer.Email))
if err != nil {
return "", model.NewAppError("GenerateRenewalToken", "app.license.generate_renewal_token.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return tokenString, nil
}
// GenerateLicenseRenewalLink returns a link that points to the CWS where clients can renew license
func (s *Server) GenerateLicenseRenewalLink() (string, string, *model.AppError) {
renewalToken, err := s.GenerateRenewalToken(JWTDefaultTokenExpiration)
if err != nil {
return "", "", err
}
renewalLink := LicenseRenewalURL + "?token=" + renewalToken
return renewalLink, renewalToken, nil
}