zitadel/internal/notification/repository/eventsourcing/handler/notification.go
Fabi 03a38fbf1c
feat: Custom message files (#1992)
* feat: add get custom message text to admin api

* feat: read custom message texts from files

* feat: get languages in apis

* feat: get languages in apis

* feat: get languages in apis

* feat: pr feedback

* feat: docs

* feat: merge main
2021-07-13 07:13:39 +02:00

494 lines
15 KiB
Go

package handler
import (
"context"
"encoding/json"
"net/http"
"time"
"github.com/caos/logging"
"golang.org/x/text/language"
"github.com/caos/zitadel/internal/api/authz"
"github.com/caos/zitadel/internal/command"
sd "github.com/caos/zitadel/internal/config/systemdefaults"
"github.com/caos/zitadel/internal/crypto"
"github.com/caos/zitadel/internal/domain"
"github.com/caos/zitadel/internal/errors"
"github.com/caos/zitadel/internal/eventstore/v1"
"github.com/caos/zitadel/internal/eventstore/v1/models"
"github.com/caos/zitadel/internal/eventstore/v1/query"
"github.com/caos/zitadel/internal/eventstore/v1/spooler"
"github.com/caos/zitadel/internal/i18n"
iam_model "github.com/caos/zitadel/internal/iam/model"
iam_es_model "github.com/caos/zitadel/internal/iam/repository/view/model"
"github.com/caos/zitadel/internal/notification/types"
es_model "github.com/caos/zitadel/internal/user/repository/eventsourcing/model"
"github.com/caos/zitadel/internal/user/repository/view"
"github.com/caos/zitadel/internal/user/repository/view/model"
)
const (
notificationTable = "notification.notifications"
NotifyUserID = "NOTIFICATION"
labelPolicyTableOrg = "management.label_policies"
labelPolicyTableDef = "adminapi.label_policies"
mailTemplateTableOrg = "management.mail_templates"
mailTemplateTableDef = "adminapi.mail_templates"
messageTextTableOrg = "management.message_texts"
messageTextTableDef = "adminapi.message_texts"
)
type Notification struct {
handler
command *command.Commands
systemDefaults sd.SystemDefaults
AesCrypto crypto.EncryptionAlgorithm
statikDir http.FileSystem
subscription *v1.Subscription
apiDomain string
}
func newNotification(
handler handler,
command *command.Commands,
defaults sd.SystemDefaults,
aesCrypto crypto.EncryptionAlgorithm,
statikDir http.FileSystem,
apiDomain string,
) *Notification {
h := &Notification{
handler: handler,
command: command,
systemDefaults: defaults,
statikDir: statikDir,
AesCrypto: aesCrypto,
apiDomain: apiDomain,
}
h.subscribe()
return h
}
func (k *Notification) subscribe() {
k.subscription = k.es.Subscribe(k.AggregateTypes()...)
go func() {
for event := range k.subscription.Events {
query.ReduceEvent(k, event)
}
}()
}
func (n *Notification) ViewModel() string {
return notificationTable
}
func (n *Notification) Subscription() *v1.Subscription {
return n.subscription
}
func (_ *Notification) AggregateTypes() []models.AggregateType {
return []models.AggregateType{es_model.UserAggregate}
}
func (n *Notification) CurrentSequence() (uint64, error) {
sequence, err := n.view.GetLatestNotificationSequence()
if err != nil {
return 0, err
}
return sequence.CurrentSequence, nil
}
func (n *Notification) EventQuery() (*models.SearchQuery, error) {
sequence, err := n.view.GetLatestNotificationSequence()
if err != nil {
return nil, err
}
return view.UserQuery(sequence.CurrentSequence), nil
}
func (n *Notification) Reduce(event *models.Event) (err error) {
switch event.Type {
case es_model.InitializedUserCodeAdded,
es_model.InitializedHumanCodeAdded:
err = n.handleInitUserCode(event)
case es_model.UserEmailCodeAdded,
es_model.HumanEmailCodeAdded:
err = n.handleEmailVerificationCode(event)
case es_model.UserPhoneCodeAdded,
es_model.HumanPhoneCodeAdded:
err = n.handlePhoneVerificationCode(event)
case es_model.UserPasswordCodeAdded,
es_model.HumanPasswordCodeAdded:
err = n.handlePasswordCode(event)
case es_model.DomainClaimed:
err = n.handleDomainClaimed(event)
}
if err != nil {
return err
}
return n.view.ProcessedNotificationSequence(event)
}
func (n *Notification) handleInitUserCode(event *models.Event) (err error) {
initCode := new(es_model.InitUserCode)
if err := initCode.SetData(event); err != nil {
return err
}
alreadyHandled, err := n.checkIfCodeAlreadyHandledOrExpired(event, initCode.Expiry,
es_model.InitializedUserCodeAdded, es_model.InitializedUserCodeSent,
es_model.InitializedHumanCodeAdded, es_model.InitializedHumanCodeSent)
if err != nil || alreadyHandled {
return err
}
ctx := getSetNotifyContextData(event.ResourceOwner)
colors, err := n.getLabelPolicy(ctx)
if err != nil {
return err
}
template, err := n.getMailTemplate(ctx)
if err != nil {
return err
}
user, err := n.getUserByID(event.AggregateID)
if err != nil {
return err
}
translator, err := n.getTranslatorWithOrgTexts(user.ResourceOwner, domain.InitCodeMessageType)
if err != nil {
return err
}
err = types.SendUserInitCode(string(template.Template), translator, user, initCode, n.systemDefaults, n.AesCrypto, colors, n.apiDomain)
if err != nil {
return err
}
return n.command.HumanInitCodeSent(ctx, event.ResourceOwner, event.AggregateID)
}
func (n *Notification) handlePasswordCode(event *models.Event) (err error) {
pwCode := new(es_model.PasswordCode)
if err := pwCode.SetData(event); err != nil {
return err
}
alreadyHandled, err := n.checkIfCodeAlreadyHandledOrExpired(event, pwCode.Expiry,
es_model.UserPasswordCodeAdded, es_model.UserPasswordCodeSent,
es_model.HumanPasswordCodeAdded, es_model.HumanPasswordCodeSent)
if err != nil || alreadyHandled {
return err
}
ctx := getSetNotifyContextData(event.ResourceOwner)
colors, err := n.getLabelPolicy(ctx)
if err != nil {
return err
}
template, err := n.getMailTemplate(ctx)
if err != nil {
return err
}
user, err := n.getUserByID(event.AggregateID)
if err != nil {
return err
}
translator, err := n.getTranslatorWithOrgTexts(user.ResourceOwner, domain.PasswordResetMessageType)
if err != nil {
return err
}
err = types.SendPasswordCode(string(template.Template), translator, user, pwCode, n.systemDefaults, n.AesCrypto, colors, n.apiDomain)
if err != nil {
return err
}
return n.command.PasswordCodeSent(ctx, event.ResourceOwner, event.AggregateID)
}
func (n *Notification) handleEmailVerificationCode(event *models.Event) (err error) {
emailCode := new(es_model.EmailCode)
if err := emailCode.SetData(event); err != nil {
return err
}
alreadyHandled, err := n.checkIfCodeAlreadyHandledOrExpired(event, emailCode.Expiry,
es_model.UserEmailCodeAdded, es_model.UserEmailCodeSent,
es_model.HumanEmailCodeAdded, es_model.HumanEmailCodeSent)
if err != nil || alreadyHandled {
return nil
}
ctx := getSetNotifyContextData(event.ResourceOwner)
colors, err := n.getLabelPolicy(ctx)
if err != nil {
return err
}
template, err := n.getMailTemplate(ctx)
if err != nil {
return err
}
user, err := n.getUserByID(event.AggregateID)
if err != nil {
return err
}
translator, err := n.getTranslatorWithOrgTexts(user.ResourceOwner, domain.VerifyEmailMessageType)
if err != nil {
return err
}
err = types.SendEmailVerificationCode(string(template.Template), translator, user, emailCode, n.systemDefaults, n.AesCrypto, colors, n.apiDomain)
if err != nil {
return err
}
return n.command.HumanEmailVerificationCodeSent(ctx, event.ResourceOwner, event.AggregateID)
}
func (n *Notification) handlePhoneVerificationCode(event *models.Event) (err error) {
phoneCode := new(es_model.PhoneCode)
if err := phoneCode.SetData(event); err != nil {
return err
}
alreadyHandled, err := n.checkIfCodeAlreadyHandledOrExpired(event, phoneCode.Expiry,
es_model.UserPhoneCodeAdded, es_model.UserPhoneCodeSent,
es_model.HumanPhoneCodeAdded, es_model.HumanPhoneCodeSent)
if err != nil || alreadyHandled {
return nil
}
user, err := n.getUserByID(event.AggregateID)
if err != nil {
return err
}
translator, err := n.getTranslatorWithOrgTexts(user.ResourceOwner, domain.VerifyPhoneMessageType)
if err != nil {
return err
}
err = types.SendPhoneVerificationCode(translator, user, phoneCode, n.systemDefaults, n.AesCrypto)
if err != nil {
return err
}
return n.command.HumanPhoneVerificationCodeSent(getSetNotifyContextData(event.ResourceOwner), event.ResourceOwner, event.AggregateID)
}
func (n *Notification) handleDomainClaimed(event *models.Event) (err error) {
alreadyHandled, err := n.checkIfAlreadyHandled(event.AggregateID, event.Sequence, es_model.DomainClaimed, es_model.DomainClaimedSent)
if err != nil || alreadyHandled {
return nil
}
data := make(map[string]string)
if err := json.Unmarshal(event.Data, &data); err != nil {
logging.Log("HANDLE-Gghq2").WithError(err).Error("could not unmarshal event data")
return errors.ThrowInternal(err, "HANDLE-7hgj3", "could not unmarshal event")
}
user, err := n.getUserByID(event.AggregateID)
if err != nil {
return err
}
if user.LastEmail == "" {
return nil
}
ctx := getSetNotifyContextData(event.ResourceOwner)
colors, err := n.getLabelPolicy(ctx)
if err != nil {
return err
}
template, err := n.getMailTemplate(ctx)
if err != nil {
return err
}
translator, err := n.getTranslatorWithOrgTexts(user.ResourceOwner, domain.DomainClaimedMessageType)
if err != nil {
return err
}
err = types.SendDomainClaimed(string(template.Template), translator, user, data["userName"], n.systemDefaults, colors, n.apiDomain)
if err != nil {
return err
}
return n.command.UserDomainClaimedSent(ctx, event.ResourceOwner, event.AggregateID)
}
func (n *Notification) checkIfCodeAlreadyHandledOrExpired(event *models.Event, expiry time.Duration, eventTypes ...models.EventType) (bool, error) {
if event.CreationDate.Add(expiry).Before(time.Now().UTC()) {
return true, nil
}
return n.checkIfAlreadyHandled(event.AggregateID, event.Sequence, eventTypes...)
}
func (n *Notification) checkIfAlreadyHandled(userID string, sequence uint64, eventTypes ...models.EventType) (bool, error) {
events, err := n.getUserEvents(userID, sequence)
if err != nil {
return false, err
}
for _, event := range events {
for _, eventType := range eventTypes {
if event.Type == eventType {
return true, nil
}
}
}
return false, nil
}
func (n *Notification) getUserEvents(userID string, sequence uint64) ([]*models.Event, error) {
query, err := view.UserByIDQuery(userID, sequence)
if err != nil {
return nil, err
}
return n.es.FilterEvents(context.Background(), query)
}
func (n *Notification) OnError(event *models.Event, err error) error {
logging.LogWithFields("SPOOL-s9opc", "id", event.AggregateID, "sequence", event.Sequence).WithError(err).Warn("something went wrong in notification handler")
return spooler.HandleError(event, err, n.view.GetLatestNotificationFailedEvent, n.view.ProcessedNotificationFailedEvent, n.view.ProcessedNotificationSequence, n.errorCountUntilSkip)
}
func (n *Notification) OnSuccess() error {
return spooler.HandleSuccess(n.view.UpdateNotificationSpoolerRunTimestamp)
}
func getSetNotifyContextData(orgID string) context.Context {
return authz.SetCtxData(context.Background(), authz.CtxData{UserID: NotifyUserID, OrgID: orgID})
}
// Read organization specific colors
func (n *Notification) getLabelPolicy(ctx context.Context) (*iam_model.LabelPolicyView, error) {
// read from Org
policy, err := n.view.LabelPolicyByAggregateIDAndState(authz.GetCtxData(ctx).OrgID, labelPolicyTableOrg, int32(domain.LabelPolicyStateActive))
if errors.IsNotFound(err) {
// read from default
policy, err = n.view.LabelPolicyByAggregateIDAndState(n.systemDefaults.IamID, labelPolicyTableDef, int32(domain.LabelPolicyStateActive))
if err != nil {
return nil, err
}
policy.Default = true
}
if err != nil {
return nil, err
}
return iam_es_model.LabelPolicyViewToModel(policy), err
}
// Read organization specific template
func (n *Notification) getMailTemplate(ctx context.Context) (*iam_model.MailTemplateView, error) {
// read from Org
template, err := n.view.MailTemplateByAggregateID(authz.GetCtxData(ctx).OrgID, mailTemplateTableOrg)
if errors.IsNotFound(err) {
// read from default
template, err = n.view.MailTemplateByAggregateID(n.systemDefaults.IamID, mailTemplateTableDef)
if err != nil {
return nil, err
}
template.Default = true
}
if err != nil {
return nil, err
}
return iam_es_model.MailTemplateViewToModel(template), err
}
func (n *Notification) getTranslatorWithOrgTexts(orgID, textType string) (*i18n.Translator, error) {
translator, err := i18n.NewTranslator(n.statikDir, i18n.TranslatorConfig{DefaultLanguage: n.systemDefaults.DefaultLanguage})
if err != nil {
return nil, err
}
allCustomTexts, err := n.view.CustomTextsByAggregateIDAndTemplate(domain.IAMID, textType)
if err == nil {
return translator, nil
}
customTexts, err := n.view.CustomTextsByAggregateIDAndTemplate(orgID, textType)
if err == nil {
return translator, nil
}
allCustomTexts = append(allCustomTexts, customTexts...)
for _, text := range allCustomTexts {
msg := i18n.Message{
ID: text.Key,
Text: text.Text,
}
translator.AddMessages(language.Make(text.Language), msg)
}
return translator, nil
}
// Read organization specific texts
func (n *Notification) getMessageText(user *model.NotifyUser, textType, lang string) (*iam_model.MessageTextView, error) {
langTag := language.Make(lang)
if langTag == language.Und {
langTag = language.English
}
langBase, _ := langTag.Base()
defaultMessageText, err := n.view.MessageTextByIDs(n.systemDefaults.IamID, textType, langBase.String(), messageTextTableDef)
if err != nil {
return nil, err
}
defaultMessageText.Default = true
// read from Org
orgMessageText, err := n.view.MessageTextByIDs(user.ResourceOwner, textType, langBase.String(), messageTextTableOrg)
if errors.IsNotFound(err) {
return iam_es_model.MessageTextViewToModel(defaultMessageText), nil
}
if err != nil {
return nil, err
}
mergedText := mergeMessageTexts(defaultMessageText, orgMessageText)
return iam_es_model.MessageTextViewToModel(mergedText), err
}
func (n *Notification) getUserByID(userID string) (*model.NotifyUser, error) {
user, usrErr := n.view.NotifyUserByID(userID)
if usrErr != nil && !errors.IsNotFound(usrErr) {
return nil, usrErr
}
if user == nil {
user = &model.NotifyUser{}
}
events, err := n.getUserEvents(userID, user.Sequence)
if err != nil {
return user, usrErr
}
userCopy := *user
for _, event := range events {
if err := userCopy.AppendEvent(event); err != nil {
return user, nil
}
}
if userCopy.State == int32(model.UserStateDeleted) {
return nil, errors.ThrowNotFound(nil, "HANDLER-3n8fs", "Errors.User.NotFound")
}
return &userCopy, nil
}
func mergeMessageTexts(defaultText *iam_es_model.MessageTextView, orgText *iam_es_model.MessageTextView) *iam_es_model.MessageTextView {
if orgText.Subject == "" {
orgText.Subject = defaultText.Subject
}
if orgText.Title == "" {
orgText.Title = defaultText.Title
}
if orgText.PreHeader == "" {
orgText.PreHeader = defaultText.PreHeader
}
if orgText.Text == "" {
orgText.Text = defaultText.Text
}
if orgText.Greeting == "" {
orgText.Greeting = defaultText.Greeting
}
if orgText.ButtonText == "" {
orgText.ButtonText = defaultText.ButtonText
}
if orgText.FooterText == "" {
orgText.FooterText = defaultText.FooterText
}
return orgText
}