forked from mirrors/gotosocial
5e2bf0bdca
* [chore] Remove years from all license headers Years or year ranges aren't required in license headers. Many projects have removed them in recent years and it avoids a bit of yearly toil. In many cases our copyright claim was also a bit dodgy since we added the 2021-2023 header to files created after 2021 but you can't claim copyright into the past that way. * [chore] Add license header check This ensures a license header is always added to any new file. This avoids maintainers/reviewers needing to remember to check for and ask for it in case a contribution doesn't include it. * [chore] Add missing license headers * [chore] Further updates to license header * Use the more common // indentend comment format * Remove the hack we had for the linter now that we use the // format * Add SPDX license identifier
71 lines
2.3 KiB
Go
71 lines
2.3 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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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 Affero 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package email
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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)
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func loadTemplates(templateBaseDir string) (*template.Template, error) {
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if !filepath.IsAbs(templateBaseDir) {
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cwd, err := os.Getwd()
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if err != nil {
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return nil, fmt.Errorf("error getting current working directory: %s", err)
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}
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templateBaseDir = filepath.Join(cwd, templateBaseDir)
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}
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// look for all templates that start with 'email_'
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return template.ParseGlob(filepath.Join(templateBaseDir, "email_*"))
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}
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// https://datatracker.ietf.org/doc/html/rfc2822
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// I did not read the RFC, I just copy and pasted from
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// https://pkg.go.dev/net/smtp#SendMail
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// and it did seem to work.
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func assembleMessage(mailSubject string, mailBody string, mailTo string, mailFrom string) ([]byte, error) {
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if strings.Contains(mailSubject, "\r") || strings.Contains(mailSubject, "\n") {
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return nil, errors.New("email subject must not contain newline characters")
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}
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if strings.Contains(mailFrom, "\r") || strings.Contains(mailFrom, "\n") {
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return nil, errors.New("email from address must not contain newline characters")
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}
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if strings.Contains(mailTo, "\r") || strings.Contains(mailTo, "\n") {
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return nil, errors.New("email to address must not contain newline characters")
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}
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// normalize the message body to use CRLF line endings
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mailBody = strings.ReplaceAll(mailBody, "\r\n", "\n")
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mailBody = strings.ReplaceAll(mailBody, "\n", "\r\n")
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msg := []byte(
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"To: " + mailTo + "\r\n" +
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"Subject: " + mailSubject + "\r\n" +
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"\r\n" +
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mailBody + "\r\n",
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)
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return msg, nil
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}
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