From 2aaec827321ec711b98e13335899cf750f270105 Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Sun, 31 Oct 2021 15:46:23 +0100
Subject: smtp + email confirmation (#285)

* add smtp configuration

* add email confirm + reset templates

* add email sender to testrig

* flesh out the email sender interface

* go fmt

* golint

* update from field with more clarity

* tidy up the email formatting

* fix tests

* add email sender to processor

* tidy client api processing a bit

* further tidying in fromClientAPI

* pin new account to user

* send msg to processor on new account creation

* generate confirm email uri

* remove emailer from account processor again

* add processCreateAccountFromClientAPI

* move emailer accountprocessor => userprocessor

* add email sender to user processor

* SendConfirmEmail function

* add noop email sender

* use noop email sender in tests

* only assemble message if callback is not nil

* use noop email sender if no smtp host is defined

* minify email html before sending

* fix wrong email address

* email confirm test

* fmt

* serve web hndler

* add email confirm handler

* init test log properly on testrig

* log emails that *would* have been sent

* go fmt ./...

* unexport confirm email handler

* updatedAt

* test confirm email function

* don't allow tokens older than 7 days

* change error message a bit

* add basic smtp docs

* add a few more snippets

* typo

* add email sender to outbox tests

* don't use dutch wikipedia link

* don't minify email html
---
 internal/email/confirm.go | 53 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 internal/email/confirm.go

(limited to 'internal/email/confirm.go')

diff --git a/internal/email/confirm.go b/internal/email/confirm.go
new file mode 100644
index 000000000..78f661fe1
--- /dev/null
+++ b/internal/email/confirm.go
@@ -0,0 +1,53 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package email
+
+import (
+	"bytes"
+	"net/smtp"
+)
+
+const (
+	confirmTemplate = "email_confirm.tmpl"
+	confirmSubject  = "Subject: GoToSocial Email Confirmation"
+)
+
+func (s *sender) SendConfirmEmail(toAddress string, data ConfirmData) error {
+	buf := &bytes.Buffer{}
+	if err := s.template.ExecuteTemplate(buf, confirmTemplate, data); err != nil {
+		return err
+	}
+	confirmBody := buf.String()
+
+	msg := assembleMessage(confirmSubject, confirmBody, toAddress, s.from)
+	return smtp.SendMail(s.hostAddress, s.auth, s.from, []string{toAddress}, msg)
+}
+
+// ConfirmData represents data passed into the confirm email address template.
+type ConfirmData struct {
+	// Username to be addressed.
+	Username string
+	// URL of the instance to present to the receiver.
+	InstanceURL string
+	// Name of the instance to present to the receiver.
+	InstanceName string
+	// Link to present to the receiver to click on and do the confirmation.
+	// Should be a full link with protocol eg., https://example.org/confirm_email?token=some-long-token
+	ConfirmLink string
+}
-- 
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