120 lines
3.1 KiB
Go
120 lines
3.1 KiB
Go
// Vikunja is a todo-list application to facilitate your life.
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// Copyright 2018 Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package mail
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import (
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"bytes"
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"code.vikunja.io/api/pkg/config"
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"code.vikunja.io/api/pkg/log"
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"code.vikunja.io/api/pkg/static"
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"code.vikunja.io/api/pkg/utils"
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"github.com/shurcooL/httpfs/html/vfstemplate"
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"gopkg.in/gomail.v2"
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"html/template"
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)
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// Opts holds infos for a mail
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type Opts struct {
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To string
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Subject string
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Message string
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HTMLMessage string
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ContentType ContentType
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Boundary string
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Headers []*header
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}
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// ContentType represents mail content types
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type ContentType int
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// Enumerate all the team rights
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const (
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ContentTypePlain ContentType = iota
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ContentTypeHTML
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ContentTypeMultipart
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)
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type header struct {
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Field string
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Content string
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}
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// SendMail puts a mail in the queue
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func SendMail(opts *Opts) {
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m := gomail.NewMessage()
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m.SetHeader("From", config.MailerFromEmail.GetString())
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m.SetHeader("To", opts.To)
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m.SetHeader("Subject", opts.Subject)
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for _, h := range opts.Headers {
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m.SetHeader(h.Field, h.Content)
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}
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switch opts.ContentType {
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case ContentTypePlain:
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m.SetBody("text/plain", opts.Message)
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case ContentTypeHTML:
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m.SetBody("text/html", opts.Message)
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case ContentTypeMultipart:
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m.SetBody("text/plain", opts.Message)
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m.AddAlternative("text/html", opts.HTMLMessage)
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}
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Queue <- m
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}
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// Template holds a pointer about a template
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type Template struct {
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Templates *template.Template
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}
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// SendMailWithTemplate parses a template and sends it via mail
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func SendMailWithTemplate(to, subject, tpl string, data map[string]interface{}) {
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var htmlContent bytes.Buffer
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var plainContent bytes.Buffer
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t, err := vfstemplate.ParseGlob(static.Templates, nil, "*.tmpl")
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if err != nil {
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log.Log.Errorf("SendMailWithTemplate: ParseGlob: %v", err)
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return
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}
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boundary := "np" + utils.MakeRandomString(13)
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data["Boundary"] = boundary
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data["FrontendURL"] = config.ServiceFrontendurl.GetString()
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if err := t.ExecuteTemplate(&htmlContent, tpl+".html.tmpl", data); err != nil {
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log.Log.Errorf("ExecuteTemplate: %v", err)
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return
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}
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if err := t.ExecuteTemplate(&plainContent, tpl+".plain.tmpl", data); err != nil {
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log.Log.Errorf("ExecuteTemplate: %v", err)
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return
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}
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opts := &Opts{
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To: to,
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Subject: subject,
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Message: plainContent.String(),
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HTMLMessage: htmlContent.String(),
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ContentType: ContentTypeMultipart,
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Boundary: boundary,
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}
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SendMail(opts)
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}
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