mirror of https://github.com/go-gitea/gitea
105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package templates
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"html/template"
|
|
"regexp"
|
|
"strings"
|
|
texttmpl "text/template"
|
|
|
|
"code.gitea.io/gitea/modules/base"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
)
|
|
|
|
var mailSubjectSplit = regexp.MustCompile(`(?m)^-{3,}\s*$`)
|
|
|
|
// 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) error {
|
|
// 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 {
|
|
return fmt.Errorf("failed to parse template [%s/subject]: %w", name, err)
|
|
}
|
|
if _, err := btpl.New(name).Parse(string(bodyContent)); err != nil {
|
|
return fmt.Errorf("failed to parse template [%s/body]: %w", name, err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// 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())
|
|
bodyTemplates.Funcs(NewFuncMap())
|
|
|
|
assetFS := AssetFS()
|
|
refreshTemplates := func(firstRun bool) {
|
|
if !firstRun {
|
|
log.Trace("Reloading mail templates")
|
|
}
|
|
assetPaths, err := ListMailTemplateAssetNames(assetFS)
|
|
if err != nil {
|
|
log.Error("Failed to list mail templates: %v", err)
|
|
return
|
|
}
|
|
|
|
for _, assetPath := range assetPaths {
|
|
content, layerName, err := assetFS.ReadLayeredFile(assetPath)
|
|
if err != nil {
|
|
log.Warn("Failed to read mail template %s by %s: %v", assetPath, layerName, err)
|
|
continue
|
|
}
|
|
tmplName := strings.TrimPrefix(strings.TrimSuffix(assetPath, ".tmpl"), "mail/")
|
|
if firstRun {
|
|
log.Trace("Adding mail template %s: %s by %s", tmplName, assetPath, layerName)
|
|
}
|
|
if err = buildSubjectBodyTemplate(subjectTemplates, bodyTemplates, tmplName, content); err != nil {
|
|
if firstRun {
|
|
log.Fatal("Failed to parse mail template, err: %v", err)
|
|
}
|
|
log.Error("Failed to parse mail template, err: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
refreshTemplates(true)
|
|
|
|
if !setting.IsProd {
|
|
// Now subjectTemplates and bodyTemplates are both synchronized
|
|
// thus it is safe to call refresh from a different goroutine
|
|
go assetFS.WatchLocalChanges(ctx, func() {
|
|
refreshTemplates(false)
|
|
})
|
|
}
|
|
|
|
return subjectTemplates, bodyTemplates
|
|
}
|