mirror of https://github.com/go-gitea/gitea.git
94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package templates
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import (
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"context"
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"html/template"
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"io/fs"
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"os"
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"strings"
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texttmpl "text/template"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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"code.gitea.io/gitea/modules/watcher"
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)
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// Mailer provides the templates required for sending notification mails.
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func Mailer(ctx context.Context) (*texttmpl.Template, *template.Template) {
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for _, funcs := range NewTextFuncMap() {
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subjectTemplates.Funcs(funcs)
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}
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for _, funcs := range NewFuncMap() {
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bodyTemplates.Funcs(funcs)
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}
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refreshTemplates := func() {
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for _, assetPath := range BuiltinAssetNames() {
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if !strings.HasPrefix(assetPath, "mail/") {
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continue
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}
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if !strings.HasSuffix(assetPath, ".tmpl") {
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continue
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}
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content, err := BuiltinAsset(assetPath)
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if err != nil {
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log.Warn("Failed to read embedded %s template. %v", assetPath, err)
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continue
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}
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assetName := strings.TrimPrefix(strings.TrimSuffix(assetPath, ".tmpl"), "mail/")
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log.Trace("Adding built-in mailer template for %s", assetName)
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buildSubjectBodyTemplate(subjectTemplates,
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bodyTemplates,
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assetName,
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content)
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}
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if err := walkMailerTemplates(func(path, name string, d fs.DirEntry, err error) error {
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if err != nil {
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return err
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}
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if d.IsDir() {
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return nil
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}
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content, err := os.ReadFile(path)
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if err != nil {
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log.Warn("Failed to read custom %s template. %v", path, err)
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return nil
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}
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assetName := strings.TrimSuffix(name, ".tmpl")
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assetName = util.PathJoinRelX(assetName)
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log.Trace("Adding mailer template for %s from %q", assetName, path)
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buildSubjectBodyTemplate(subjectTemplates,
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bodyTemplates,
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assetName,
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content)
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return nil
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}); err != nil && !os.IsNotExist(err) {
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log.Warn("Error whilst walking mailer templates directories. %v", err)
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}
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}
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refreshTemplates()
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if !setting.IsProd {
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// Now subjectTemplates and bodyTemplates are both synchronized
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// thus it is safe to call refresh from a different goroutine
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watcher.CreateWatcher(ctx, "Mailer Templates", &watcher.CreateWatcherOpts{
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PathsCallback: walkMailerTemplates,
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BetweenCallback: refreshTemplates,
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})
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}
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return subjectTemplates, bodyTemplates
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}
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