129 lines
3.3 KiB
Go
129 lines
3.3 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package templates
|
|
|
|
import (
|
|
"context"
|
|
"html/template"
|
|
"io/fs"
|
|
"os"
|
|
"strings"
|
|
texttmpl "text/template"
|
|
|
|
"code.gitea.io/gitea/modules/base"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
"code.gitea.io/gitea/modules/watcher"
|
|
)
|
|
|
|
// mailSubjectTextFuncMap returns functions for injecting to text templates, it's only used for mail subject
|
|
func mailSubjectTextFuncMap() texttmpl.FuncMap {
|
|
return texttmpl.FuncMap{
|
|
"dict": dict,
|
|
"Eval": Eval,
|
|
|
|
"EllipsisString": base.EllipsisString,
|
|
"AppName": func() string {
|
|
return setting.AppName
|
|
},
|
|
"AppDomain": func() string { // documented in mail-templates.md
|
|
return setting.Domain
|
|
},
|
|
}
|
|
}
|
|
|
|
func buildSubjectBodyTemplate(stpl *texttmpl.Template, btpl *template.Template, name string, content []byte) {
|
|
// Split template into subject and body
|
|
var subjectContent []byte
|
|
bodyContent := content
|
|
loc := mailSubjectSplit.FindIndex(content)
|
|
if loc != nil {
|
|
subjectContent = content[0:loc[0]]
|
|
bodyContent = content[loc[1]:]
|
|
}
|
|
if _, err := stpl.New(name).
|
|
Parse(string(subjectContent)); err != nil {
|
|
log.Warn("Failed to parse template [%s/subject]: %v", name, err)
|
|
}
|
|
if _, err := btpl.New(name).
|
|
Parse(string(bodyContent)); err != nil {
|
|
log.Warn("Failed to parse template [%s/body]: %v", name, err)
|
|
}
|
|
}
|
|
|
|
// Mailer provides the templates required for sending notification mails.
|
|
func Mailer(ctx context.Context) (*texttmpl.Template, *template.Template) {
|
|
subjectTemplates := texttmpl.New("")
|
|
bodyTemplates := template.New("")
|
|
|
|
subjectTemplates.Funcs(mailSubjectTextFuncMap())
|
|
for _, funcs := range NewFuncMap() {
|
|
bodyTemplates.Funcs(funcs)
|
|
}
|
|
|
|
refreshTemplates := func() {
|
|
for _, assetPath := range BuiltinAssetNames() {
|
|
if !strings.HasPrefix(assetPath, "mail/") {
|
|
continue
|
|
}
|
|
|
|
if !strings.HasSuffix(assetPath, ".tmpl") {
|
|
continue
|
|
}
|
|
|
|
content, err := BuiltinAsset(assetPath)
|
|
if err != nil {
|
|
log.Warn("Failed to read embedded %s template. %v", assetPath, err)
|
|
continue
|
|
}
|
|
|
|
assetName := strings.TrimPrefix(strings.TrimSuffix(assetPath, ".tmpl"), "mail/")
|
|
|
|
log.Trace("Adding built-in mailer template for %s", assetName)
|
|
buildSubjectBodyTemplate(subjectTemplates,
|
|
bodyTemplates,
|
|
assetName,
|
|
content)
|
|
}
|
|
|
|
if err := walkMailerTemplates(func(path, name string, d fs.DirEntry, err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if d.IsDir() {
|
|
return nil
|
|
}
|
|
|
|
content, err := os.ReadFile(path)
|
|
if err != nil {
|
|
log.Warn("Failed to read custom %s template. %v", path, err)
|
|
return nil
|
|
}
|
|
|
|
assetName := strings.TrimSuffix(name, ".tmpl")
|
|
log.Trace("Adding mailer template for %s from %q", assetName, path)
|
|
buildSubjectBodyTemplate(subjectTemplates,
|
|
bodyTemplates,
|
|
assetName,
|
|
content)
|
|
return nil
|
|
}); err != nil && !os.IsNotExist(err) {
|
|
log.Warn("Error whilst walking mailer templates directories. %v", err)
|
|
}
|
|
}
|
|
|
|
refreshTemplates()
|
|
|
|
if !setting.IsProd {
|
|
// Now subjectTemplates and bodyTemplates are both synchronized
|
|
// thus it is safe to call refresh from a different goroutine
|
|
watcher.CreateWatcher(ctx, "Mailer Templates", &watcher.CreateWatcherOpts{
|
|
PathsCallback: walkMailerTemplates,
|
|
BetweenCallback: refreshTemplates,
|
|
})
|
|
}
|
|
|
|
return subjectTemplates, bodyTemplates
|
|
}
|