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Code Issues Projects Releases Packages Wiki Activity Actions 7

Refactor system setting (#27000) (#27452)

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Backport #27000 by @wxiaoguang

This PR reduces the complexity of the system setting system.

It only needs one line to introduce a new option, and the option can be
used anywhere out-of-box.

It is still high-performant (and more performant) because the config
values are cached in the config system.


![image](f8cdd743-1145-41ab-9f8f-3996aa97d440)

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
Giteabot 2023-10-05 18:37:59 +08:00 • committed by GitHub
parent a9d547f55b
commit aaf35ee49c
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GPG key ID: 4AEE18F83AFDEB23
21 changed files with 429 additions and 525 deletions
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81
models/avatars/avatar.go
View file

@ -5,18 +5,20 @@ package avatars
import (
"context"
"fmt"
"net/url"
"path"
"strconv"
"strings"
"sync"
"sync/atomic"
"code.gitea.io/gitea/models/db"
system_model "code.gitea.io/gitea/models/system"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/cache"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"strk.kbt.io/projects/go/libravatar"
)
const (
@ -36,24 +38,54 @@ func init() {
db.RegisterModel(new(EmailHash))
}
var (
type avatarSettingStruct struct {
defaultAvatarLink string
once sync.Once
)
gravatarSource string
gravatarSourceURL *url.URL
libravatar *libravatar.Libravatar
}
// DefaultAvatarLink the default avatar link
func DefaultAvatarLink() string {
once.Do(func() {
var avatarSettingAtomic atomic.Pointer[avatarSettingStruct]
func loadAvatarSetting() (*avatarSettingStruct, error) {
s := avatarSettingAtomic.Load()
if s == nil || s.gravatarSource != setting.GravatarSource {
s = &avatarSettingStruct{}
u, err := url.Parse(setting.AppSubURL)
if err != nil {
log.Error("Can not parse AppSubURL: %v", err)
return
return nil, fmt.Errorf("unable to parse AppSubURL: %w", err)
}
u.Path = path.Join(u.Path, "/assets/img/avatar_default.png")
defaultAvatarLink = u.String()
})
return defaultAvatarLink
s.defaultAvatarLink = u.String()
s.gravatarSourceURL, err = url.Parse(setting.GravatarSource)
if err != nil {
return nil, fmt.Errorf("unable to parse GravatarSource %q: %w", setting.GravatarSource, err)
}
s.libravatar = libravatar.New()
if s.gravatarSourceURL.Scheme == "https" {
s.libravatar.SetUseHTTPS(true)
s.libravatar.SetSecureFallbackHost(s.gravatarSourceURL.Host)
} else {
s.libravatar.SetUseHTTPS(false)
s.libravatar.SetFallbackHost(s.gravatarSourceURL.Host)
}
avatarSettingAtomic.Store(s)
}
return s, nil
}
// DefaultAvatarLink the default avatar link
func DefaultAvatarLink() string {
a, err := loadAvatarSetting()
if err != nil {
log.Error("Failed to loadAvatarSetting: %v", err)
return ""
}
return a.defaultAvatarLink
}
// HashEmail hashes email address to MD5 string. https://en.gravatar.com/site/implement/hash/
@ -76,7 +108,11 @@ func GetEmailForHash(md5Sum string) (string, error) {
// LibravatarURL returns the URL for the given email. Slow due to the DNS lookup.
// This function should only be called if a federated avatar service is enabled.
func LibravatarURL(email string) (*url.URL, error) {
urlStr, err := system_model.LibravatarService.FromEmail(email)
a, err := loadAvatarSetting()
if err != nil {
return nil, err
}
urlStr, err := a.libravatar.FromEmail(email)
if err != nil {
log.Error("LibravatarService.FromEmail(email=%s): error %v", email, err)
return nil, err
@ -153,15 +189,13 @@ func generateEmailAvatarLink(ctx context.Context, email string, size int, final
return DefaultAvatarLink()
}
disableGravatar := system_model.GetSettingWithCacheBool(ctx, system_model.KeyPictureDisableGravatar,
setting.GetDefaultDisableGravatar(),
)
avatarSetting, err := loadAvatarSetting()
if err != nil {
return DefaultAvatarLink()
}
enableFederatedAvatar := system_model.GetSettingWithCacheBool(ctx, system_model.KeyPictureEnableFederatedAvatar,
setting.GetDefaultEnableFederatedAvatar(disableGravatar))
var err error
if enableFederatedAvatar && system_model.LibravatarService != nil {
enableFederatedAvatar := setting.Config().Picture.EnableFederatedAvatar.Value(ctx)
if enableFederatedAvatar {
emailHash := saveEmailHash(email)
if final {
// for final link, we can spend more time on slow external query
@ -179,9 +213,10 @@ func generateEmailAvatarLink(ctx context.Context, email string, size int, final
return urlStr
}
disableGravatar := setting.Config().Picture.DisableGravatar.Value(ctx)
if !disableGravatar {
// copy GravatarSourceURL, because we will modify its Path.
avatarURLCopy := *system_model.GravatarSourceURL
avatarURLCopy := *avatarSetting.gravatarSourceURL
avatarURLCopy.Path = path.Join(avatarURLCopy.Path, HashEmail(email))
return generateRecognizedAvatarURL(avatarURLCopy, size)
}