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email.go
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email.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package app
import (
"bytes"
"encoding/json"
"fmt"
"html/template"
"io"
"net/http"
"net/url"
"path"
"strings"
"time"
"github.com/pkg/errors"
"github.com/throttled/throttled"
"github.com/throttled/throttled/store/memstore"
"github.com/mattermost/mattermost-server/v5/model"
"github.com/mattermost/mattermost-server/v5/shared/i18n"
"github.com/mattermost/mattermost-server/v5/shared/mail"
"github.com/mattermost/mattermost-server/v5/shared/mlog"
"github.com/mattermost/mattermost-server/v5/shared/templates"
)
const (
emailRateLimitingMemstoreSize = 65536
emailRateLimitingPerHour = 20
emailRateLimitingMaxBurst = 20
)
func condenseSiteURL(siteURL string) string {
parsedSiteURL, _ := url.Parse(siteURL)
if parsedSiteURL.Path == "" || parsedSiteURL.Path == "/" {
return parsedSiteURL.Host
}
return path.Join(parsedSiteURL.Host, parsedSiteURL.Path)
}
type EmailService struct {
srv *Server
PerHourEmailRateLimiter *throttled.GCRARateLimiter
PerDayEmailRateLimiter *throttled.GCRARateLimiter
EmailBatching *EmailBatchingJob
}
func NewEmailService(srv *Server) (*EmailService, error) {
service := &EmailService{srv: srv}
if err := service.setUpRateLimiters(); err != nil {
return nil, err
}
service.InitEmailBatching()
return service, nil
}
func (es *EmailService) setUpRateLimiters() error {
store, err := memstore.New(emailRateLimitingMemstoreSize)
if err != nil {
return errors.Wrap(err, "Unable to setup email rate limiting memstore.")
}
perHourQuota := throttled.RateQuota{
MaxRate: throttled.PerHour(emailRateLimitingPerHour),
MaxBurst: emailRateLimitingMaxBurst,
}
perDayQuota := throttled.RateQuota{
MaxRate: throttled.PerDay(1),
MaxBurst: 0,
}
perHourRateLimiter, err := throttled.NewGCRARateLimiter(store, perHourQuota)
if err != nil || perHourRateLimiter == nil {
return errors.Wrap(err, "Unable to setup email rate limiting GCRA rate limiter.")
}
perDayRateLimiter, err := throttled.NewGCRARateLimiter(store, perDayQuota)
if err != nil || perDayRateLimiter == nil {
return errors.Wrap(err, "Unable to setup per day email rate limiting GCRA rate limiter.")
}
es.PerHourEmailRateLimiter = perHourRateLimiter
es.PerDayEmailRateLimiter = perDayRateLimiter
return nil
}
func (es *EmailService) sendChangeUsernameEmail(newUsername, email, locale, siteURL string) *model.AppError {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.username_change_subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName,
"TeamDisplayName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.username_change_body.title")
data.Props["Info"] = T("api.templates.username_change_body.info",
map[string]interface{}{"TeamDisplayName": es.srv.Config().TeamSettings.SiteName, "NewUsername": newUsername})
data.Props["Warning"] = T("api.templates.email_warning")
body, err := es.srv.TemplatesContainer().RenderToString("email_change_body", data)
if err != nil {
return model.NewAppError("sendChangeUsernameEmail", "api.user.send_email_change_username_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return model.NewAppError("sendChangeUsernameEmail", "api.user.send_email_change_username_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) sendEmailChangeVerifyEmail(newUserEmail, locale, siteURL, token string) *model.AppError {
T := i18n.GetUserTranslations(locale)
link := fmt.Sprintf("%s/do_verify_email?token=%s&email=%s", siteURL, token, url.QueryEscape(newUserEmail))
subject := T("api.templates.email_change_verify_subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName,
"TeamDisplayName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.email_change_verify_body.title")
data.Props["Info"] = T("api.templates.email_change_verify_body.info",
map[string]interface{}{"TeamDisplayName": es.srv.Config().TeamSettings.SiteName})
data.Props["VerifyUrl"] = link
data.Props["VerifyButton"] = T("api.templates.email_change_verify_body.button")
body, err := es.srv.TemplatesContainer().RenderToString("email_change_verify_body", data)
if err != nil {
return model.NewAppError("sendEmailChangeVerifyEmail", "api.user.send_email_change_verify_email_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(newUserEmail, subject, body); err != nil {
return model.NewAppError("sendEmailChangeVerifyEmail", "api.user.send_email_change_verify_email_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) sendEmailChangeEmail(oldEmail, newEmail, locale, siteURL string) *model.AppError {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.email_change_subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName,
"TeamDisplayName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.email_change_body.title")
data.Props["Info"] = T("api.templates.email_change_body.info",
map[string]interface{}{"TeamDisplayName": es.srv.Config().TeamSettings.SiteName, "NewEmail": newEmail})
data.Props["Warning"] = T("api.templates.email_warning")
body, err := es.srv.TemplatesContainer().RenderToString("email_change_body", data)
if err != nil {
return model.NewAppError("sendEmailChangeEmail", "api.user.send_email_change_email_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(oldEmail, subject, body); err != nil {
return model.NewAppError("sendEmailChangeEmail", "api.user.send_email_change_email_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) sendVerifyEmail(userEmail, locale, siteURL, token, redirect string) *model.AppError {
T := i18n.GetUserTranslations(locale)
link := fmt.Sprintf("%s/do_verify_email?token=%s&email=%s", siteURL, token, url.QueryEscape(userEmail))
if redirect != "" {
link += fmt.Sprintf("&redirect_to=%s", redirect)
}
serverURL := condenseSiteURL(siteURL)
subject := T("api.templates.verify_subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.verify_body.title")
data.Props["SubTitle1"] = T("api.templates.verify_body.subTitle1")
data.Props["ServerURL"] = T("api.templates.verify_body.serverURL", map[string]interface{}{"ServerURL": serverURL})
data.Props["SubTitle2"] = T("api.templates.verify_body.subTitle2")
data.Props["ButtonURL"] = link
data.Props["Button"] = T("api.templates.verify_body.button")
data.Props["Info"] = T("api.templates.verify_body.info")
data.Props["Info1"] = T("api.templates.verify_body.info1")
data.Props["QuestionTitle"] = T("api.templates.questions_footer.title")
data.Props["QuestionInfo"] = T("api.templates.questions_footer.info")
body, err := es.srv.TemplatesContainer().RenderToString("verify_body", data)
if err != nil {
return model.NewAppError("SendVerifyEmail", "api.user.send_verify_email_and_forget.failed.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(userEmail, subject, body); err != nil {
return model.NewAppError("SendVerifyEmail", "api.user.send_verify_email_and_forget.failed.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) SendSignInChangeEmail(email, method, locale, siteURL string) *model.AppError {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.signin_change_email.subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.signin_change_email.body.title")
data.Props["Info"] = T("api.templates.signin_change_email.body.info",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName, "Method": method})
data.Props["Warning"] = T("api.templates.email_warning")
body, err := es.srv.TemplatesContainer().RenderToString("signin_change_body", data)
if err != nil {
return model.NewAppError("SendSignInChangeEmail", "api.user.send_sign_in_change_email_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return model.NewAppError("SendSignInChangeEmail", "api.user.send_sign_in_change_email_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) sendWelcomeEmail(userID string, email string, verified bool, disableWelcomeEmail bool, locale, siteURL, redirect string) *model.AppError {
if disableWelcomeEmail {
return nil
}
if !*es.srv.Config().EmailSettings.SendEmailNotifications && !*es.srv.Config().EmailSettings.RequireEmailVerification {
return model.NewAppError("SendWelcomeEmail", "api.user.send_welcome_email_and_forget.failed.error", nil, "Send Email Notifications and Require Email Verification is disabled in the system console", http.StatusInternalServerError)
}
T := i18n.GetUserTranslations(locale)
serverURL := condenseSiteURL(siteURL)
subject := T("api.templates.welcome_subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName,
"ServerURL": serverURL})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.welcome_body.title")
data.Props["SubTitle1"] = T("api.templates.welcome_body.subTitle1")
data.Props["ServerURL"] = T("api.templates.welcome_body.serverURL", map[string]interface{}{"ServerURL": serverURL})
data.Props["SubTitle2"] = T("api.templates.welcome_body.subTitle2")
data.Props["Button"] = T("api.templates.welcome_body.button")
data.Props["Info"] = T("api.templates.welcome_body.info")
data.Props["Info1"] = T("api.templates.welcome_body.info1")
data.Props["SiteURL"] = siteURL
if *es.srv.Config().NativeAppSettings.AppDownloadLink != "" {
data.Props["AppDownloadTitle"] = T("api.templates.welcome_body.app_download_title")
data.Props["AppDownloadInfo"] = T("api.templates.welcome_body.app_download_info")
data.Props["AppDownloadButton"] = T("api.templates.welcome_body.app_download_button")
data.Props["AppDownloadLink"] = *es.srv.Config().NativeAppSettings.AppDownloadLink
}
if !verified && *es.srv.Config().EmailSettings.RequireEmailVerification {
token, err := es.CreateVerifyEmailToken(userID, email)
if err != nil {
return err
}
link := fmt.Sprintf("%s/do_verify_email?token=%s&email=%s", siteURL, token.Token, url.QueryEscape(email))
if redirect != "" {
link += fmt.Sprintf("&redirect_to=%s", redirect)
}
data.Props["ButtonURL"] = link
}
body, err := es.srv.TemplatesContainer().RenderToString("welcome_body", data)
if err != nil {
return model.NewAppError("sendWelcomeEmail", "api.user.send_welcome_email_and_forget.failed.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return model.NewAppError("sendWelcomeEmail", "api.user.send_welcome_email_and_forget.failed.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) SendCloudTrialEndWarningEmail(userEmail, name, trialEndDate, locale, siteURL string) *model.AppError {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.cloud_trial_ending_email.subject")
data := es.newEmailTemplateData(locale)
data.Props["Title"] = T("api.templates.cloud_trial_ending_email.title")
data.Props["SubTitle"] = T("api.templates.cloud_trial_ending_email.subtitle", map[string]interface{}{"Name": name, "TrialEnd": trialEndDate})
data.Props["SiteURL"] = siteURL
data.Props["ButtonURL"] = fmt.Sprintf("%s/admin_console/billing/subscription?action=show_purchase_modal", siteURL)
data.Props["Button"] = T("api.templates.cloud_trial_ending_email.add_payment_method")
data.Props["QuestionTitle"] = T("api.templates.questions_footer.title")
data.Props["QuestionInfo"] = T("api.templates.questions_footer.info")
body, err := es.srv.TemplatesContainer().RenderToString("cloud_trial_end_warning", data)
if err != nil {
return model.NewAppError("SendCloudTrialEndWarningEmail", "api.user.cloud_trial_ending_email.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(userEmail, subject, body); err != nil {
return model.NewAppError("SendCloudTrialEndWarningEmail", "api.user.cloud_trial_ending_email.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) SendCloudTrialEndedEmail(userEmail, name, locale, siteURL string) *model.AppError {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.cloud_trial_ended_email.subject")
t := time.Now()
todayDate := fmt.Sprintf("%s %d, %d", t.Month(), t.Day(), t.Year())
data := es.newEmailTemplateData(locale)
data.Props["Title"] = T("api.templates.cloud_trial_ended_email.title")
data.Props["SubTitle"] = T("api.templates.cloud_trial_ended_email.subtitle", map[string]interface{}{"Name": name, "TodayDate": todayDate})
data.Props["SiteURL"] = siteURL
data.Props["ButtonURL"] = fmt.Sprintf("%s/admin_console/billing/subscription", siteURL)
data.Props["Button"] = T("api.templates.cloud_trial_ended_email.start_subscription")
data.Props["QuestionTitle"] = T("api.templates.questions_footer.title")
data.Props["QuestionInfo"] = T("api.templates.questions_footer.info")
body, err := es.srv.TemplatesContainer().RenderToString("cloud_trial_ended_email", data)
if err != nil {
return model.NewAppError("SendCloudTrialEndedEmail", "api.user.cloud_trial_ended_email.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(userEmail, subject, body); err != nil {
return model.NewAppError("SendCloudTrialEndedEmail", "api.user.cloud_trial_ended_email.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
// SendCloudWelcomeEmail sends the cloud version of the welcome email
func (es *EmailService) SendCloudWelcomeEmail(userEmail, locale, teamInviteID, workSpaceName, dns, siteURL string) *model.AppError {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.cloud_welcome_email.subject")
data := es.newEmailTemplateData(locale)
data.Props["Title"] = T("api.templates.cloud_welcome_email.title", map[string]interface{}{"WorkSpace": workSpaceName})
data.Props["SubTitle"] = T("api.templates.cloud_welcome_email.subtitle")
data.Props["SubTitleInfo"] = T("api.templates.cloud_welcome_email.subtitle_info")
data.Props["Info"] = T("api.templates.cloud_welcome_email.info")
data.Props["Info2"] = T("api.templates.cloud_welcome_email.info2")
data.Props["WorkSpacePath"] = siteURL
data.Props["DNS"] = dns
data.Props["InviteInfo"] = T("api.templates.cloud_welcome_email.invite_info")
data.Props["InviteSubInfo"] = T("api.templates.cloud_welcome_email.invite_sub_info", map[string]interface{}{"WorkSpace": workSpaceName})
data.Props["InviteSubInfoLink"] = fmt.Sprintf("%s/signup_user_complete/?id=%s", siteURL, teamInviteID)
data.Props["AddAppsInfo"] = T("api.templates.cloud_welcome_email.add_apps_info")
data.Props["AddAppsSubInfo"] = T("api.templates.cloud_welcome_email.add_apps_sub_info")
data.Props["AppMarketPlace"] = T("api.templates.cloud_welcome_email.app_market_place")
data.Props["AppMarketPlaceLink"] = "https://integrations.mattermost.com/"
data.Props["DownloadMMInfo"] = T("api.templates.cloud_welcome_email.download_mm_info")
data.Props["SignInSubInfo"] = T("api.templates.cloud_welcome_email.signin_sub_info")
data.Props["MMApps"] = T("api.templates.cloud_welcome_email.mm_apps")
data.Props["SignInSubInfo2"] = T("api.templates.cloud_welcome_email.signin_sub_info2")
data.Props["DownloadMMAppsLink"] = "https://mattermost.com/download/"
data.Props["Button"] = T("api.templates.cloud_welcome_email.button")
data.Props["GettingStartedQuestions"] = T("api.templates.cloud_welcome_email.start_questions")
body, err := es.srv.TemplatesContainer().RenderToString("cloud_welcome_email", data)
if err != nil {
return model.NewAppError("SendCloudWelcomeEmail", "api.user.send_cloud_welcome_email.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(userEmail, subject, body); err != nil {
return model.NewAppError("SendCloudWelcomeEmail", "api.user.send_cloud_welcome_email.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) sendPasswordChangeEmail(email, method, locale, siteURL string) *model.AppError {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.password_change_subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName,
"TeamDisplayName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.password_change_body.title")
data.Props["Info"] = T("api.templates.password_change_body.info",
map[string]interface{}{"TeamDisplayName": es.srv.Config().TeamSettings.SiteName, "TeamURL": siteURL, "Method": method})
data.Props["Warning"] = T("api.templates.email_warning")
body, err := es.srv.TemplatesContainer().RenderToString("password_change_body", data)
if err != nil {
return model.NewAppError("sendPasswordChangeEmail", "api.user.send_password_change_email_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return model.NewAppError("sendPasswordChangeEmail", "api.user.send_password_change_email_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) sendUserAccessTokenAddedEmail(email, locale, siteURL string) *model.AppError {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.user_access_token_subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.user_access_token_body.title")
data.Props["Info"] = T("api.templates.user_access_token_body.info",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName, "SiteURL": siteURL})
data.Props["Warning"] = T("api.templates.email_warning")
body, err := es.srv.TemplatesContainer().RenderToString("password_change_body", data)
if err != nil {
return model.NewAppError("sendUserAccessTokenAddedEmail", "api.user.send_user_access_token.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return model.NewAppError("sendUserAccessTokenAddedEmail", "api.user.send_user_access_token.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) SendPasswordResetEmail(email string, token *model.Token, locale, siteURL string) (bool, *model.AppError) {
T := i18n.GetUserTranslations(locale)
link := fmt.Sprintf("%s/reset_password_complete?token=%s", siteURL, url.QueryEscape(token.Token))
subject := T("api.templates.reset_subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.reset_body.title")
data.Props["SubTitle"] = T("api.templates.reset_body.subTitle")
data.Props["Info"] = T("api.templates.reset_body.info")
data.Props["ButtonURL"] = link
data.Props["Button"] = T("api.templates.reset_body.button")
data.Props["QuestionTitle"] = T("api.templates.questions_footer.title")
data.Props["QuestionInfo"] = T("api.templates.questions_footer.info")
body, err := es.srv.TemplatesContainer().RenderToString("reset_body", data)
if err != nil {
return false, model.NewAppError("SendPasswordReset", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return false, model.NewAppError("SendPasswordReset", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
return true, nil
}
func (es *EmailService) sendMfaChangeEmail(email string, activated bool, locale, siteURL string) *model.AppError {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.mfa_change_subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
if activated {
data.Props["Info"] = T("api.templates.mfa_activated_body.info", map[string]interface{}{"SiteURL": siteURL})
data.Props["Title"] = T("api.templates.mfa_activated_body.title")
} else {
data.Props["Info"] = T("api.templates.mfa_deactivated_body.info", map[string]interface{}{"SiteURL": siteURL})
data.Props["Title"] = T("api.templates.mfa_deactivated_body.title")
}
data.Props["Warning"] = T("api.templates.email_warning")
body, err := es.srv.TemplatesContainer().RenderToString("mfa_change_body", data)
if err != nil {
return model.NewAppError("SendMfaChangeEmail", "api.user.send_mfa_change_email.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return model.NewAppError("SendMfaChangeEmail", "api.user.send_mfa_change_email.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) SendInviteEmails(team *model.Team, senderName string, senderUserId string, invites []string, siteURL string) *model.AppError {
if es.PerHourEmailRateLimiter == nil {
return model.NewAppError("SendInviteEmails", "app.email.no_rate_limiter.app_error", nil, fmt.Sprintf("user_id=%s, team_id=%s", senderUserId, team.Id), http.StatusInternalServerError)
}
rateLimited, result, err := es.PerHourEmailRateLimiter.RateLimit(senderUserId, len(invites))
if err != nil {
return model.NewAppError("SendInviteEmails", "app.email.setup_rate_limiter.app_error", nil, fmt.Sprintf("user_id=%s, team_id=%s, error=%v", senderUserId, team.Id, err), http.StatusInternalServerError)
}
if rateLimited {
return model.NewAppError("SendInviteEmails",
"app.email.rate_limit_exceeded.app_error", map[string]interface{}{"RetryAfter": result.RetryAfter.String(), "ResetAfter": result.ResetAfter.String()},
fmt.Sprintf("user_id=%s, team_id=%s, retry_after_secs=%f, reset_after_secs=%f",
senderUserId, team.Id, result.RetryAfter.Seconds(), result.ResetAfter.Seconds()),
http.StatusRequestEntityTooLarge)
}
for _, invite := range invites {
if invite != "" {
subject := i18n.T("api.templates.invite_subject",
map[string]interface{}{"SenderName": senderName,
"TeamDisplayName": team.DisplayName,
"SiteName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData("")
data.Props["SiteURL"] = siteURL
data.Props["Title"] = i18n.T("api.templates.invite_body.title", map[string]interface{}{"SenderName": senderName, "TeamDisplayName": team.DisplayName})
data.Props["SubTitle"] = i18n.T("api.templates.invite_body.subTitle")
data.Props["Button"] = i18n.T("api.templates.invite_body.button")
data.Props["SenderName"] = senderName
data.Props["InviteFooterTitle"] = i18n.T("api.templates.invite_body_footer.title")
data.Props["InviteFooterInfo"] = i18n.T("api.templates.invite_body_footer.info")
data.Props["InviteFooterLearnMore"] = i18n.T("api.templates.invite_body_footer.learn_more")
token := model.NewToken(
TokenTypeTeamInvitation,
model.MapToJson(map[string]string{"teamId": team.Id, "email": invite}),
)
tokenProps := make(map[string]string)
tokenProps["email"] = invite
tokenProps["display_name"] = team.DisplayName
tokenProps["name"] = team.Name
tokenData := model.MapToJson(tokenProps)
if err := es.srv.Store.Token().Save(token); err != nil {
mlog.Error("Failed to send invite email successfully ", mlog.Err(err))
continue
}
data.Props["ButtonURL"] = fmt.Sprintf("%s/signup_user_complete/?d=%s&t=%s", siteURL, url.QueryEscape(tokenData), url.QueryEscape(token.Token))
body, err := es.srv.TemplatesContainer().RenderToString("invite_body", data)
if err != nil {
mlog.Error("Failed to send invite email successfully ", mlog.Err(err))
}
if err := es.sendMail(invite, subject, body); err != nil {
mlog.Error("Failed to send invite email successfully ", mlog.Err(err))
}
}
}
return nil
}
func (es *EmailService) sendGuestInviteEmails(team *model.Team, channels []*model.Channel, senderName string, senderUserId string, senderProfileImage []byte, invites []string, siteURL string, message string) *model.AppError {
if es.PerHourEmailRateLimiter == nil {
return model.NewAppError("SendInviteEmails", "app.email.no_rate_limiter.app_error", nil, fmt.Sprintf("user_id=%s, team_id=%s", senderUserId, team.Id), http.StatusInternalServerError)
}
rateLimited, result, err := es.PerHourEmailRateLimiter.RateLimit(senderUserId, len(invites))
if err != nil {
return model.NewAppError("SendInviteEmails", "app.email.setup_rate_limiter.app_error", nil, fmt.Sprintf("user_id=%s, team_id=%s, error=%v", senderUserId, team.Id, err), http.StatusInternalServerError)
}
if rateLimited {
return model.NewAppError("SendInviteEmails",
"app.email.rate_limit_exceeded.app_error", map[string]interface{}{"RetryAfter": result.RetryAfter.String(), "ResetAfter": result.ResetAfter.String()},
fmt.Sprintf("user_id=%s, team_id=%s, retry_after_secs=%f, reset_after_secs=%f",
senderUserId, team.Id, result.RetryAfter.Seconds(), result.ResetAfter.Seconds()),
http.StatusRequestEntityTooLarge)
}
for _, invite := range invites {
if invite != "" {
subject := i18n.T("api.templates.invite_guest_subject",
map[string]interface{}{"SenderName": senderName,
"TeamDisplayName": team.DisplayName,
"SiteName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData("")
data.Props["SiteURL"] = siteURL
data.Props["Title"] = i18n.T("api.templates.invite_body.title", map[string]interface{}{"SenderName": senderName, "TeamDisplayName": team.DisplayName})
data.Props["SubTitle"] = i18n.T("api.templates.invite_body_guest.subTitle")
data.Props["Button"] = i18n.T("api.templates.invite_body.button")
data.Props["SenderName"] = senderName
data.Props["Message"] = ""
if message != "" {
data.Props["Message"] = message
}
data.Props["InviteFooterTitle"] = i18n.T("api.templates.invite_body_footer.title")
data.Props["InviteFooterInfo"] = i18n.T("api.templates.invite_body_footer.info")
data.Props["InviteFooterLearnMore"] = i18n.T("api.templates.invite_body_footer.learn_more")
channelIDs := []string{}
for _, channel := range channels {
channelIDs = append(channelIDs, channel.Id)
}
token := model.NewToken(
TokenTypeGuestInvitation,
model.MapToJson(map[string]string{
"teamId": team.Id,
"channels": strings.Join(channelIDs, " "),
"email": invite,
"guest": "true",
}),
)
tokenProps := make(map[string]string)
tokenProps["email"] = invite
tokenProps["display_name"] = team.DisplayName
tokenProps["name"] = team.Name
tokenData := model.MapToJson(tokenProps)
if err := es.srv.Store.Token().Save(token); err != nil {
mlog.Error("Failed to send invite email successfully ", mlog.Err(err))
continue
}
data.Props["ButtonURL"] = fmt.Sprintf("%s/signup_user_complete/?d=%s&t=%s", siteURL, url.QueryEscape(tokenData), url.QueryEscape(token.Token))
if !*es.srv.Config().EmailSettings.SendEmailNotifications {
mlog.Info("sending invitation ", mlog.String("to", invite), mlog.String("link", data.Props["ButtomURL"].(string)))
}
embeddedFiles := make(map[string]io.Reader)
if message != "" {
if senderProfileImage != nil {
data.Props["SenderPhoto"] = "user-avatar.png"
embeddedFiles = map[string]io.Reader{
"user-avatar.png": bytes.NewReader(senderProfileImage),
}
}
}
body, err := es.srv.TemplatesContainer().RenderToString("invite_body", data)
if err != nil {
mlog.Error("Failed to send invite email successfully", mlog.Err(err))
}
if nErr := es.sendMailWithEmbeddedFiles(invite, subject, body, embeddedFiles); nErr != nil {
mlog.Error("Failed to send invite email successfully", mlog.Err(nErr))
}
}
}
return nil
}
func (es *EmailService) newEmailTemplateData(locale string) templates.Data {
var localT i18n.TranslateFunc
if locale != "" {
localT = i18n.GetUserTranslations(locale)
} else {
localT = i18n.T
}
organization := ""
if *es.srv.Config().EmailSettings.FeedbackOrganization != "" {
organization = localT("api.templates.email_organization") + *es.srv.Config().EmailSettings.FeedbackOrganization
}
return templates.Data{
Props: map[string]interface{}{
"EmailInfo1": localT("api.templates.email_info1"),
"EmailInfo2": localT("api.templates.email_info2"),
"EmailInfo3": localT("api.templates.email_info3",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName}),
"SupportEmail": *es.srv.Config().SupportSettings.SupportEmail,
"Footer": localT("api.templates.email_footer"),
"FooterV2": localT("api.templates.email_footer_v2"),
"Organization": organization,
},
HTML: map[string]template.HTML{},
}
}
func (es *EmailService) SendDeactivateAccountEmail(email string, locale, siteURL string) *model.AppError {
T := i18n.GetUserTranslations(locale)
serverURL := condenseSiteURL(siteURL)
subject := T("api.templates.deactivate_subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName,
"ServerURL": serverURL})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.deactivate_body.title", map[string]interface{}{"ServerURL": serverURL})
data.Props["Info"] = T("api.templates.deactivate_body.info",
map[string]interface{}{"SiteURL": siteURL})
data.Props["Warning"] = T("api.templates.deactivate_body.warning")
body, err := es.srv.TemplatesContainer().RenderToString("deactivate_body", data)
if err != nil {
return model.NewAppError("SendDeactivateEmail", "api.user.send_deactivate_email_and_forget.failed.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return model.NewAppError("SendDeactivateEmail", "api.user.send_deactivate_email_and_forget.failed.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
// SendRemoveExpiredLicenseEmail formats an email and uses the email service to send the email to user with link pointing to CWS
// to renew the user license
func (es *EmailService) SendRemoveExpiredLicenseEmail(email string, locale, siteURL string) *model.AppError {
renewalLink, err := es.srv.GenerateLicenseRenewalLink()
if err != nil {
return err
}
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.remove_expired_license.subject",
map[string]interface{}{"SiteName": es.srv.Config().TeamSettings.SiteName})
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.remove_expired_license.body.title")
data.Props["Link"] = renewalLink
data.Props["LinkButton"] = T("api.templates.remove_expired_license.body.renew_button")
body, nErr := es.srv.TemplatesContainer().RenderToString("remove_expired_license", data)
if nErr != nil {
return model.NewAppError("SendRemoveExpiredLicenseEmail", "api.license.remove_expired_license.failed.error", nil, nErr.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return model.NewAppError("SendRemoveExpiredLicenseEmail", "api.license.remove_expired_license.failed.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (es *EmailService) sendNotificationMail(to, subject, htmlBody string) error {
if !*es.srv.Config().EmailSettings.SendEmailNotifications {
return nil
}
return es.sendMail(to, subject, htmlBody)
}
func (es *EmailService) sendMail(to, subject, htmlBody string) error {
return es.sendMailWithCC(to, subject, htmlBody, "")
}
func (es *EmailService) sendMailWithCC(to, subject, htmlBody string, ccMail string) error {
license := es.srv.License()
mailConfig := es.srv.MailServiceConfig()
return mail.SendMailUsingConfig(to, subject, htmlBody, mailConfig, license != nil && *license.Features.Compliance, ccMail)
}
func (es *EmailService) sendMailWithEmbeddedFiles(to, subject, htmlBody string, embeddedFiles map[string]io.Reader) error {
license := es.srv.License()
mailConfig := es.srv.MailServiceConfig()
return mail.SendMailWithEmbeddedFilesUsingConfig(to, subject, htmlBody, embeddedFiles, mailConfig, license != nil && *license.Features.Compliance, "")
}
func (es *EmailService) CreateVerifyEmailToken(userID string, newEmail string) (*model.Token, *model.AppError) {
tokenExtra := struct {
UserId string
Email string
}{
userID,
newEmail,
}
jsonData, err := json.Marshal(tokenExtra)
if err != nil {
return nil, model.NewAppError("CreateVerifyEmailToken", "api.user.create_email_token.error", nil, "", http.StatusInternalServerError)
}
token := model.NewToken(TokenTypeVerifyEmail, string(jsonData))
if err = es.srv.Store.Token().Save(token); err != nil {
var appErr *model.AppError
switch {
case errors.As(err, &appErr):
return nil, appErr
default:
return nil, model.NewAppError("CreateVerifyEmailToken", "app.recover.save.app_error", nil, err.Error(), http.StatusInternalServerError)
}
}
return token, nil
}
func (es *EmailService) SendAtUserLimitWarningEmail(email string, locale string, siteURL string) (bool, *model.AppError) {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.at_limit_subject")
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.at_limit_title")
data.Props["Info1"] = T("api.templates.at_limit_info1")
data.Props["Info2"] = T("api.templates.at_limit_info2")
data.Props["Button"] = T("api.templates.upgrade_mattermost_cloud")
data.Props["EmailUs"] = T("api.templates.email_us_anytime_at")
data.Props["Footer"] = T("api.templates.copyright")
body, err := es.srv.TemplatesContainer().RenderToString("reached_user_limit_body", data)
if err != nil {
return false, model.NewAppError("SendAtUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return false, model.NewAppError("SendAtUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
return true, nil
}
// SendUpgradeEmail formats an email template and sends an email to an admin specified in the email arg
func (es *EmailService) SendUpgradeEmail(user, email, locale, siteURL, action string) (bool, *model.AppError) {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.upgrade_request_subject")
data := es.newEmailTemplateData(locale)
data.Props["Info5"] = T("api.templates.at_limit_info5")
data.Props["BillingPath"] = "admin_console/billing/subscription"
data.Props["SiteURL"] = siteURL
data.Props["Button"] = T("api.templates.upgrade_mattermost_cloud")
data.Props["EmailUs"] = T("api.templates.email_us_anytime_at")
data.Props["Footer"] = T("api.templates.copyright")
if action == model.InviteLimitation {
data.Props["Title"] = T("api.templates.upgrade_request_title", map[string]interface{}{"UserName": user})
data.Props["Info4"] = T("api.templates.upgrade_request_info4")
} else {
data.Props["Title"] = T("api.templates.upgrade_request_title2")
data.Props["Info4"] = T("api.templates.upgrade_request_info4_2")
}
body, err := es.srv.TemplatesContainer().RenderToString("cloud_upgrade_request_email", data)
if err != nil {
return false, model.NewAppError("SendUpgradeEmail", "api.user.send_upgrade_request_email.error", nil, err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return false, model.NewAppError("SendUpgradeEmail", "api.user.send_upgrade_request_email.error", nil, err.Error(), http.StatusInternalServerError)
}
return true, nil
}
func (es *EmailService) SendOverUserLimitWarningEmail(email string, locale string, siteURL string) (bool, *model.AppError) {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.over_limit_subject")
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.over_limit_title")
data.Props["Info1"] = T("api.templates.over_limit_info1")
data.Props["Info2"] = T("api.templates.over_limit_info2")
data.Props["Button"] = T("api.templates.upgrade_mattermost_cloud")
data.Props["EmailUs"] = T("api.templates.email_us_anytime_at")
data.Props["Footer"] = T("api.templates.copyright")
body, err := es.srv.TemplatesContainer().RenderToString("reached_user_limit_body", data)
if err != nil {
return false, model.NewAppError("SendOverUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return false, model.NewAppError("SendOverUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
return true, nil
}
func (es *EmailService) SendOverUserLimitThirtyDayWarningEmail(email string, locale string, siteURL string) (bool, *model.AppError) {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.over_limit_30_days_subject")
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.over_limit_30_days_title")
data.Props["Info1"] = T("api.templates.over_limit_30_days_info1")
data.Props["Info2"] = T("api.templates.over_limit_30_days_info2")
data.Props["Info2Item1"] = T("api.templates.over_limit_30_days_info2_item1")
data.Props["Info2Item2"] = T("api.templates.over_limit_30_days_info2_item2")
data.Props["Info2Item3"] = T("api.templates.over_limit_30_days_info2_item3")
data.Props["Button"] = T("api.templates.over_limit_fix_now")
data.Props["EmailUs"] = T("api.templates.email_us_anytime_at")
data.Props["Footer"] = T("api.templates.copyright")
body, err := es.srv.TemplatesContainer().RenderToString("over_user_limit_30_days_body", data)
if err != nil {
return false, model.NewAppError("SendOverUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return false, model.NewAppError("SendOverUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
return true, nil
}
func (es *EmailService) SendOverUserLimitNinetyDayWarningEmail(email string, locale string, siteURL string, overLimitDate string) (bool, *model.AppError) {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.over_limit_90_days_subject")
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.over_limit_90_days_title")
data.Props["Info1"] = T("api.templates.over_limit_90_days_info1", map[string]interface{}{"OverLimitDate": overLimitDate})
data.Props["Info2"] = T("api.templates.over_limit_90_days_info2")
data.Props["Info3"] = T("api.templates.over_limit_90_days_info3")
data.Props["Info4"] = T("api.templates.over_limit_90_days_info4")
data.Props["Button"] = T("api.templates.over_limit_fix_now")
data.Props["EmailUs"] = T("api.templates.email_us_anytime_at")
data.Props["Footer"] = T("api.templates.copyright")
body, err := es.srv.TemplatesContainer().RenderToString("over_user_limit_90_days_body", data)
if err != nil {
return false, model.NewAppError("SendOverUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return false, model.NewAppError("SendOverUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
return true, nil
}
func (es *EmailService) SendOverUserLimitWorkspaceSuspendedWarningEmail(email string, locale string, siteURL string) (bool, *model.AppError) {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.over_limit_suspended_subject")
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.over_limit_suspended_title")
data.Props["Info1"] = T("api.templates.over_limit_suspended_info1")
data.Props["Info2"] = T("api.templates.over_limit_suspended_info2")
data.Props["Button"] = T("api.templates.over_limit_suspended_contact_support")
data.Props["EmailUs"] = T("api.templates.email_us_anytime_at")
data.Props["Footer"] = T("api.templates.copyright")
body, err := es.srv.TemplatesContainer().RenderToString("over_user_limit_workspace_suspended_body", data)
if err != nil {
return false, model.NewAppError("SendOverUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return false, model.NewAppError("SendOverUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
return true, nil
}
func (es *EmailService) SendOverUserFourteenDayWarningEmail(email string, locale string, siteURL string, overLimitDate string) (bool, *model.AppError) {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.over_limit_14_days_subject")
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.over_limit_14_days_title")
data.Props["Info1"] = T("api.templates.over_limit_14_days_info1", map[string]interface{}{"OverLimitDate": overLimitDate})
data.Props["Button"] = T("api.templates.over_limit_fix_now")
data.Props["EmailUs"] = T("api.templates.email_us_anytime_at")
data.Props["Footer"] = T("api.templates.copyright")
body, err := es.srv.TemplatesContainer().RenderToString("over_user_limit_7_days_body", data)
if err != nil {
return false, model.NewAppError("SendOverUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
if err := es.sendMail(email, subject, body); err != nil {
return false, model.NewAppError("SendOverUserLimitWarningEmail", "api.user.send_password_reset.send.app_error", nil, "err="+err.Error(), http.StatusInternalServerError)
}
return true, nil
}
func (es *EmailService) SendOverUserSevenDayWarningEmail(email string, locale string, siteURL string) (bool, *model.AppError) {
T := i18n.GetUserTranslations(locale)
subject := T("api.templates.over_limit_7_days_subject")
data := es.newEmailTemplateData(locale)
data.Props["SiteURL"] = siteURL
data.Props["Title"] = T("api.templates.over_limit_7_days_title")
data.Props["Info1"] = T("api.templates.over_limit_7_days_info1")
data.Props["Button"] = T("api.templates.over_limit_fix_now")