forgejo/modules/templates/static.go
zeripath 742e21aeba
Handle and propagate errors when checking if paths are Dirs, Files or Exist (#13186)
* Ensure errors from IsDir propagate

* Handle errors when checking IsFile

* Handle and propagate errors from IsExist

* Update modules/templates/static.go

* Update modules/templates/static.go

* Return after ctx.ServerError

* Apply suggestions from code review

* Fix tests

The previous merge managed to break repo_form.go

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
2020-11-27 21:42:08 -05:00

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// +build bindata
// Copyright 2016 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package templates
import (
"bytes"
"fmt"
"html/template"
"io"
"io/ioutil"
"path"
"strings"
texttmpl "text/template"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"gitea.com/macaron/macaron"
"github.com/unknwon/com"
)
var (
subjectTemplates = texttmpl.New("")
bodyTemplates = template.New("")
)
type templateFileSystem struct {
files []macaron.TemplateFile
}
func (templates templateFileSystem) ListFiles() []macaron.TemplateFile {
return templates.files
}
func (templates templateFileSystem) Get(name string) (io.Reader, error) {
for i := range templates.files {
if templates.files[i].Name()+templates.files[i].Ext() == name {
return bytes.NewReader(templates.files[i].Data()), nil
}
}
return nil, fmt.Errorf("file '%s' not found", name)
}
func NewTemplateFileSystem() templateFileSystem {
fs := templateFileSystem{}
fs.files = make([]macaron.TemplateFile, 0, 10)
for _, assetPath := range AssetNames() {
if strings.HasPrefix(assetPath, "mail/") {
continue
}
if !strings.HasSuffix(assetPath, ".tmpl") {
continue
}
content, err := Asset(assetPath)
if err != nil {
log.Warn("Failed to read embedded %s template. %v", assetPath, err)
continue
}
fs.files = append(fs.files, macaron.NewTplFile(
strings.TrimSuffix(
assetPath,
".tmpl",
),
content,
".tmpl",
))
}
customDir := path.Join(setting.CustomPath, "templates")
isDir, err := util.IsDir(customDir)
if err != nil {
log.Warn("Unable to check if templates dir %s is a directory. Error: %v", customDir, err)
}
if isDir {
files, err := com.StatDir(customDir)
if err != nil {
log.Warn("Failed to read %s templates dir. %v", customDir, err)
} else {
for _, filePath := range files {
if strings.HasPrefix(filePath, "mail/") {
continue
}
if !strings.HasSuffix(filePath, ".tmpl") {
continue
}
content, err := ioutil.ReadFile(path.Join(customDir, filePath))
if err != nil {
log.Warn("Failed to read custom %s template. %v", filePath, err)
continue
}
fs.files = append(fs.files, macaron.NewTplFile(
strings.TrimSuffix(
filePath,
".tmpl",
),
content,
".tmpl",
))
}
}
}
return fs
}
// HTMLRenderer implements the macaron handler for serving HTML templates.
func HTMLRenderer() macaron.Handler {
return macaron.Renderer(macaron.RenderOptions{
Funcs: NewFuncMap(),
TemplateFileSystem: NewTemplateFileSystem(),
})
}
// JSONRenderer implements the macaron handler for serving JSON templates.
func JSONRenderer() macaron.Handler {
return macaron.Renderer(macaron.RenderOptions{
Funcs: NewFuncMap(),
TemplateFileSystem: NewTemplateFileSystem(),
HTMLContentType: "application/json",
})
}
// Mailer provides the templates required for sending notification mails.
func Mailer() (*texttmpl.Template, *template.Template) {
for _, funcs := range NewTextFuncMap() {
subjectTemplates.Funcs(funcs)
}
for _, funcs := range NewFuncMap() {
bodyTemplates.Funcs(funcs)
}
for _, assetPath := range AssetNames() {
if !strings.HasPrefix(assetPath, "mail/") {
continue
}
if !strings.HasSuffix(assetPath, ".tmpl") {
continue
}
content, err := Asset(assetPath)
if err != nil {
log.Warn("Failed to read embedded %s template. %v", assetPath, err)
continue
}
buildSubjectBodyTemplate(subjectTemplates,
bodyTemplates,
strings.TrimPrefix(
strings.TrimSuffix(
assetPath,
".tmpl",
),
"mail/",
),
content)
}
customDir := path.Join(setting.CustomPath, "templates", "mail")
isDir, err := util.IsDir(customDir)
if err != nil {
log.Warn("Failed to check if custom directory %s is a directory. %v", err)
}
if isDir {
files, err := com.StatDir(customDir)
if err != nil {
log.Warn("Failed to read %s templates dir. %v", customDir, err)
} else {
for _, filePath := range files {
if !strings.HasSuffix(filePath, ".tmpl") {
continue
}
content, err := ioutil.ReadFile(path.Join(customDir, filePath))
if err != nil {
log.Warn("Failed to read custom %s template. %v", filePath, err)
continue
}
buildSubjectBodyTemplate(subjectTemplates,
bodyTemplates,
strings.TrimSuffix(
filePath,
".tmpl",
),
content)
}
}
}
return subjectTemplates, bodyTemplates
}
func Asset(name string) ([]byte, error) {
f, err := Assets.Open("/" + name)
if err != nil {
return nil, err
}
defer f.Close()
return ioutil.ReadAll(f)
}
func AssetNames() []string {
realFS := Assets.(vfsgen۰FS)
var results = make([]string, 0, len(realFS))
for k := range realFS {
results = append(results, k[1:])
}
return results
}
func AssetIsDir(name string) (bool, error) {
if f, err := Assets.Open("/" + name); err != nil {
return false, err
} else {
defer f.Close()
if fi, err := f.Stat(); err != nil {
return false, err
} else {
return fi.IsDir(), nil
}
}
}