mirror of
https://codeberg.org/forgejo/forgejo.git
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77fa7146c6
* Added additional email headers. * Added tests. Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
416 lines
13 KiB
Go
416 lines
13 KiB
Go
// Copyright 2016 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package mailer
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import (
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"bytes"
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"fmt"
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"html/template"
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"mime"
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"regexp"
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"strconv"
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"strings"
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texttmpl "text/template"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/emoji"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/markup"
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"code.gitea.io/gitea/modules/markup/markdown"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/translation"
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"gopkg.in/gomail.v2"
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)
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const (
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mailAuthActivate base.TplName = "auth/activate"
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mailAuthActivateEmail base.TplName = "auth/activate_email"
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mailAuthResetPassword base.TplName = "auth/reset_passwd"
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mailAuthRegisterNotify base.TplName = "auth/register_notify"
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mailNotifyCollaborator base.TplName = "notify/collaborator"
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mailRepoTransferNotify base.TplName = "notify/repo_transfer"
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// There's no actual limit for subject in RFC 5322
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mailMaxSubjectRunes = 256
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)
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var (
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bodyTemplates *template.Template
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subjectTemplates *texttmpl.Template
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subjectRemoveSpaces = regexp.MustCompile(`[\s]+`)
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)
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// InitMailRender initializes the mail renderer
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func InitMailRender(subjectTpl *texttmpl.Template, bodyTpl *template.Template) {
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subjectTemplates = subjectTpl
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bodyTemplates = bodyTpl
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}
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// SendTestMail sends a test mail
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func SendTestMail(email string) error {
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return gomail.Send(Sender, NewMessage([]string{email}, "Gitea Test Email!", "Gitea Test Email!").ToMessage())
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}
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// sendUserMail sends a mail to the user
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func sendUserMail(language string, u *models.User, tpl base.TplName, code, subject, info string) {
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locale := translation.NewLocale(language)
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data := map[string]interface{}{
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"DisplayName": u.DisplayName(),
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"ActiveCodeLives": timeutil.MinutesToFriendly(setting.Service.ActiveCodeLives, language),
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"ResetPwdCodeLives": timeutil.MinutesToFriendly(setting.Service.ResetPwdCodeLives, language),
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"Code": code,
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"i18n": locale,
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"Language": locale.Language(),
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}
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var content bytes.Buffer
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// TODO: i18n templates?
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if err := bodyTemplates.ExecuteTemplate(&content, string(tpl), data); err != nil {
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log.Error("Template: %v", err)
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return
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}
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msg := NewMessage([]string{u.Email}, subject, content.String())
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msg.Info = fmt.Sprintf("UID: %d, %s", u.ID, info)
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SendAsync(msg)
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}
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// SendActivateAccountMail sends an activation mail to the user (new user registration)
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func SendActivateAccountMail(locale translation.Locale, u *models.User) {
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sendUserMail(locale.Language(), u, mailAuthActivate, u.GenerateEmailActivateCode(u.Email), locale.Tr("mail.activate_account"), "activate account")
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}
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// SendResetPasswordMail sends a password reset mail to the user
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func SendResetPasswordMail(u *models.User) {
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locale := translation.NewLocale(u.Language)
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sendUserMail(u.Language, u, mailAuthResetPassword, u.GenerateEmailActivateCode(u.Email), locale.Tr("mail.reset_password"), "recover account")
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}
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// SendActivateEmailMail sends confirmation email to confirm new email address
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func SendActivateEmailMail(u *models.User, email *models.EmailAddress) {
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locale := translation.NewLocale(u.Language)
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data := map[string]interface{}{
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"DisplayName": u.DisplayName(),
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"ActiveCodeLives": timeutil.MinutesToFriendly(setting.Service.ActiveCodeLives, locale.Language()),
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"Code": u.GenerateEmailActivateCode(email.Email),
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"Email": email.Email,
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"i18n": locale,
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"Language": locale.Language(),
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}
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var content bytes.Buffer
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// TODO: i18n templates?
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if err := bodyTemplates.ExecuteTemplate(&content, string(mailAuthActivateEmail), data); err != nil {
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log.Error("Template: %v", err)
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return
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}
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msg := NewMessage([]string{email.Email}, locale.Tr("mail.activate_email"), content.String())
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msg.Info = fmt.Sprintf("UID: %d, activate email", u.ID)
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SendAsync(msg)
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}
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// SendRegisterNotifyMail triggers a notify e-mail by admin created a account.
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func SendRegisterNotifyMail(u *models.User) {
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locale := translation.NewLocale(u.Language)
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data := map[string]interface{}{
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"DisplayName": u.DisplayName(),
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"Username": u.Name,
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"i18n": locale,
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"Language": locale.Language(),
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}
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var content bytes.Buffer
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// TODO: i18n templates?
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if err := bodyTemplates.ExecuteTemplate(&content, string(mailAuthRegisterNotify), data); err != nil {
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log.Error("Template: %v", err)
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return
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}
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msg := NewMessage([]string{u.Email}, locale.Tr("mail.register_notify"), content.String())
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msg.Info = fmt.Sprintf("UID: %d, registration notify", u.ID)
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SendAsync(msg)
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}
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// SendCollaboratorMail sends mail notification to new collaborator.
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func SendCollaboratorMail(u, doer *models.User, repo *models.Repository) {
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locale := translation.NewLocale(u.Language)
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repoName := repo.FullName()
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subject := locale.Tr("mail.repo.collaborator.added.subject", doer.DisplayName(), repoName)
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data := map[string]interface{}{
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"Subject": subject,
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"RepoName": repoName,
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"Link": repo.HTMLURL(),
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"i18n": locale,
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"Language": locale.Language(),
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}
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var content bytes.Buffer
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// TODO: i18n templates?
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if err := bodyTemplates.ExecuteTemplate(&content, string(mailNotifyCollaborator), data); err != nil {
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log.Error("Template: %v", err)
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return
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}
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msg := NewMessage([]string{u.Email}, subject, content.String())
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msg.Info = fmt.Sprintf("UID: %d, add collaborator", u.ID)
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SendAsync(msg)
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}
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func composeIssueCommentMessages(ctx *mailCommentContext, lang string, recipients []*models.User, fromMention bool, info string) ([]*Message, error) {
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var (
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subject string
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link string
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prefix string
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// Fall back subject for bad templates, make sure subject is never empty
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fallback string
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reviewComments []*models.Comment
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)
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commentType := models.CommentTypeComment
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if ctx.Comment != nil {
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commentType = ctx.Comment.Type
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link = ctx.Issue.HTMLURL() + "#" + ctx.Comment.HashTag()
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} else {
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link = ctx.Issue.HTMLURL()
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}
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reviewType := models.ReviewTypeComment
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if ctx.Comment != nil && ctx.Comment.Review != nil {
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reviewType = ctx.Comment.Review.Type
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}
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// This is the body of the new issue or comment, not the mail body
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body, err := markdown.RenderString(&markup.RenderContext{
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URLPrefix: ctx.Issue.Repo.HTMLURL(),
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Metas: ctx.Issue.Repo.ComposeMetas(),
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}, ctx.Content)
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if err != nil {
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return nil, err
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}
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actType, actName, tplName := actionToTemplate(ctx.Issue, ctx.ActionType, commentType, reviewType)
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if actName != "new" {
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prefix = "Re: "
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}
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fallback = prefix + fallbackMailSubject(ctx.Issue)
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if ctx.Comment != nil && ctx.Comment.Review != nil {
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reviewComments = make([]*models.Comment, 0, 10)
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for _, lines := range ctx.Comment.Review.CodeComments {
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for _, comments := range lines {
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reviewComments = append(reviewComments, comments...)
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}
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}
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}
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locale := translation.NewLocale(lang)
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mailMeta := map[string]interface{}{
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"FallbackSubject": fallback,
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"Body": body,
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"Link": link,
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"Issue": ctx.Issue,
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"Comment": ctx.Comment,
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"IsPull": ctx.Issue.IsPull,
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"User": ctx.Issue.Repo.MustOwner(),
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"Repo": ctx.Issue.Repo.FullName(),
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"Doer": ctx.Doer,
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"IsMention": fromMention,
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"SubjectPrefix": prefix,
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"ActionType": actType,
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"ActionName": actName,
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"ReviewComments": reviewComments,
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"i18n": locale,
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"Language": locale.Language(),
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}
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var mailSubject bytes.Buffer
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// TODO: i18n templates?
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if err := subjectTemplates.ExecuteTemplate(&mailSubject, string(tplName), mailMeta); err == nil {
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subject = sanitizeSubject(mailSubject.String())
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if subject == "" {
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subject = fallback
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}
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} else {
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log.Error("ExecuteTemplate [%s]: %v", tplName+"/subject", err)
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}
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subject = emoji.ReplaceAliases(subject)
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mailMeta["Subject"] = subject
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var mailBody bytes.Buffer
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// TODO: i18n templates?
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if err := bodyTemplates.ExecuteTemplate(&mailBody, string(tplName), mailMeta); err != nil {
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log.Error("ExecuteTemplate [%s]: %v", string(tplName)+"/body", err)
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}
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// Make sure to compose independent messages to avoid leaking user emails
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msgs := make([]*Message, 0, len(recipients))
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for _, recipient := range recipients {
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msg := NewMessageFrom([]string{recipient.Email}, ctx.Doer.DisplayName(), setting.MailService.FromEmail, subject, mailBody.String())
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msg.Info = fmt.Sprintf("Subject: %s, %s", subject, info)
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// Set Message-ID on first message so replies know what to reference
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if actName == "new" {
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msg.SetHeader("Message-ID", "<"+ctx.Issue.ReplyReference()+">")
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} else {
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msg.SetHeader("In-Reply-To", "<"+ctx.Issue.ReplyReference()+">")
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msg.SetHeader("References", "<"+ctx.Issue.ReplyReference()+">")
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}
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for key, value := range generateAdditionalHeaders(ctx, actType, recipient) {
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msg.SetHeader(key, value)
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}
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msgs = append(msgs, msg)
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}
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return msgs, nil
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}
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func generateAdditionalHeaders(ctx *mailCommentContext, reason string, recipient *models.User) map[string]string {
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repo := ctx.Issue.Repo
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return map[string]string{
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// https://datatracker.ietf.org/doc/html/rfc2919
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"List-ID": fmt.Sprintf("%s <%s.%s.%s>", repo.FullName(), repo.Name, repo.OwnerName, setting.Domain),
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// https://datatracker.ietf.org/doc/html/rfc2369
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"List-Archive": fmt.Sprintf("<%s>", repo.HTMLURL()),
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//"List-Post": https://github.com/go-gitea/gitea/pull/13585
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//"List-Unsubscribe": https://github.com/go-gitea/gitea/issues/10808, https://github.com/go-gitea/gitea/issues/13283
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"X-Gitea-Reason": reason,
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"X-Gitea-Sender": ctx.Doer.DisplayName(),
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"X-Gitea-Recipient": recipient.DisplayName(),
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"X-Gitea-Recipient-Address": recipient.Email,
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"X-Gitea-Repository": repo.Name,
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"X-Gitea-Repository-Path": repo.FullName(),
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"X-Gitea-Repository-Link": repo.HTMLURL(),
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"X-Gitea-Issue-ID": strconv.FormatInt(ctx.Issue.Index, 10),
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"X-Gitea-Issue-Link": ctx.Issue.HTMLURL(),
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"X-GitHub-Reason": reason,
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"X-GitHub-Sender": ctx.Doer.DisplayName(),
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"X-GitHub-Recipient": recipient.DisplayName(),
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"X-GitHub-Recipient-Address": recipient.Email,
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"X-GitLab-NotificationReason": reason,
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"X-GitLab-Project": repo.Name,
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"X-GitLab-Project-Path": repo.FullName(),
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"X-GitLab-Issue-IID": strconv.FormatInt(ctx.Issue.Index, 10),
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}
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}
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func sanitizeSubject(subject string) string {
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runes := []rune(strings.TrimSpace(subjectRemoveSpaces.ReplaceAllLiteralString(subject, " ")))
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if len(runes) > mailMaxSubjectRunes {
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runes = runes[:mailMaxSubjectRunes]
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}
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// Encode non-ASCII characters
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return mime.QEncoding.Encode("utf-8", string(runes))
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}
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// SendIssueAssignedMail composes and sends issue assigned email
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func SendIssueAssignedMail(issue *models.Issue, doer *models.User, content string, comment *models.Comment, recipients []*models.User) error {
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langMap := make(map[string][]*models.User)
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for _, user := range recipients {
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langMap[user.Language] = append(langMap[user.Language], user)
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}
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for lang, tos := range langMap {
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msgs, err := composeIssueCommentMessages(&mailCommentContext{
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Issue: issue,
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Doer: doer,
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ActionType: models.ActionType(0),
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Content: content,
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Comment: comment,
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}, lang, tos, false, "issue assigned")
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if err != nil {
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return err
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}
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SendAsyncs(msgs)
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}
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return nil
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}
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// actionToTemplate returns the type and name of the action facing the user
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// (slightly different from models.ActionType) and the name of the template to use (based on availability)
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func actionToTemplate(issue *models.Issue, actionType models.ActionType,
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commentType models.CommentType, reviewType models.ReviewType) (typeName, name, template string) {
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if issue.IsPull {
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typeName = "pull"
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} else {
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typeName = "issue"
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}
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switch actionType {
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case models.ActionCreateIssue, models.ActionCreatePullRequest:
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name = "new"
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case models.ActionCommentIssue, models.ActionCommentPull:
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name = "comment"
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case models.ActionCloseIssue, models.ActionClosePullRequest:
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name = "close"
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case models.ActionReopenIssue, models.ActionReopenPullRequest:
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name = "reopen"
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case models.ActionMergePullRequest:
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name = "merge"
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case models.ActionPullReviewDismissed:
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name = "review_dismissed"
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default:
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switch commentType {
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case models.CommentTypeReview:
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switch reviewType {
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case models.ReviewTypeApprove:
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name = "approve"
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case models.ReviewTypeReject:
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name = "reject"
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default:
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name = "review"
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}
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case models.CommentTypeCode:
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name = "code"
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case models.CommentTypeAssignees:
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name = "assigned"
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case models.CommentTypePullPush:
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name = "push"
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default:
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name = "default"
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}
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}
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template = typeName + "/" + name
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ok := bodyTemplates.Lookup(template) != nil
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if !ok && typeName != "issue" {
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template = "issue/" + name
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ok = bodyTemplates.Lookup(template) != nil
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}
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if !ok {
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template = typeName + "/default"
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ok = bodyTemplates.Lookup(template) != nil
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}
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if !ok {
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template = "issue/default"
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}
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return
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}
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