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Giteabot c541616f1c
Fix oauth2 builtin application logic () ()
Backport  by wxiaoguang

Fix  (allow to disable all builtin apps) and don't make the doctor
command remove the builtin apps.

By the way, rename refobject and joincond to camel case.

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
2024-04-08 15:46:21 +08:00

182 lines
6.4 KiB
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package setting
import (
"math"
"path/filepath"
"sync/atomic"
"code.gitea.io/gitea/modules/generate"
"code.gitea.io/gitea/modules/log"
)
// OAuth2UsernameType is enum describing the way gitea 'name' should be generated from oauth2 data
type OAuth2UsernameType string
const (
// OAuth2UsernameUserid oauth2 userid field will be used as gitea name
OAuth2UsernameUserid OAuth2UsernameType = "userid"
// OAuth2UsernameNickname oauth2 nickname field will be used as gitea name
OAuth2UsernameNickname OAuth2UsernameType = "nickname"
// OAuth2UsernameEmail username of oauth2 email field will be used as gitea name
OAuth2UsernameEmail OAuth2UsernameType = "email"
)
func (username OAuth2UsernameType) isValid() bool {
switch username {
case OAuth2UsernameUserid, OAuth2UsernameNickname, OAuth2UsernameEmail:
return true
}
return false
}
// OAuth2AccountLinkingType is enum describing behaviour of linking with existing account
type OAuth2AccountLinkingType string
const (
// OAuth2AccountLinkingDisabled error will be displayed if account exist
OAuth2AccountLinkingDisabled OAuth2AccountLinkingType = "disabled"
// OAuth2AccountLinkingLogin account linking login will be displayed if account exist
OAuth2AccountLinkingLogin OAuth2AccountLinkingType = "login"
// OAuth2AccountLinkingAuto account will be automatically linked if account exist
OAuth2AccountLinkingAuto OAuth2AccountLinkingType = "auto"
)
func (accountLinking OAuth2AccountLinkingType) isValid() bool {
switch accountLinking {
case OAuth2AccountLinkingDisabled, OAuth2AccountLinkingLogin, OAuth2AccountLinkingAuto:
return true
}
return false
}
// OAuth2Client settings
var OAuth2Client struct {
RegisterEmailConfirm bool
OpenIDConnectScopes []string
EnableAutoRegistration bool
Username OAuth2UsernameType
UpdateAvatar bool
AccountLinking OAuth2AccountLinkingType
}
func loadOAuth2ClientFrom(rootCfg ConfigProvider) {
sec := rootCfg.Section("oauth2_client")
OAuth2Client.RegisterEmailConfirm = sec.Key("REGISTER_EMAIL_CONFIRM").MustBool(Service.RegisterEmailConfirm)
OAuth2Client.OpenIDConnectScopes = parseScopes(sec, "OPENID_CONNECT_SCOPES")
OAuth2Client.EnableAutoRegistration = sec.Key("ENABLE_AUTO_REGISTRATION").MustBool()
OAuth2Client.Username = OAuth2UsernameType(sec.Key("USERNAME").MustString(string(OAuth2UsernameNickname)))
if !OAuth2Client.Username.isValid() {
log.Warn("Username setting is not valid: '%s', will fallback to '%s'", OAuth2Client.Username, OAuth2UsernameNickname)
OAuth2Client.Username = OAuth2UsernameNickname
}
OAuth2Client.UpdateAvatar = sec.Key("UPDATE_AVATAR").MustBool()
OAuth2Client.AccountLinking = OAuth2AccountLinkingType(sec.Key("ACCOUNT_LINKING").MustString(string(OAuth2AccountLinkingLogin)))
if !OAuth2Client.AccountLinking.isValid() {
log.Warn("Account linking setting is not valid: '%s', will fallback to '%s'", OAuth2Client.AccountLinking, OAuth2AccountLinkingLogin)
OAuth2Client.AccountLinking = OAuth2AccountLinkingLogin
}
}
func parseScopes(sec ConfigSection, name string) []string {
parts := sec.Key(name).Strings(" ")
scopes := make([]string, 0, len(parts))
for _, scope := range parts {
if scope != "" {
scopes = append(scopes, scope)
}
}
return scopes
}
var OAuth2 = struct {
Enabled bool
AccessTokenExpirationTime int64
RefreshTokenExpirationTime int64
InvalidateRefreshTokens bool
JWTSigningAlgorithm string `ini:"JWT_SIGNING_ALGORITHM"`
JWTSigningPrivateKeyFile string `ini:"JWT_SIGNING_PRIVATE_KEY_FILE"`
MaxTokenLength int
DefaultApplications []string
}{
Enabled: true,
AccessTokenExpirationTime: 3600,
RefreshTokenExpirationTime: 730,
InvalidateRefreshTokens: false,
JWTSigningAlgorithm: "RS256",
JWTSigningPrivateKeyFile: "jwt/private.pem",
MaxTokenLength: math.MaxInt16,
DefaultApplications: []string{"git-credential-oauth", "git-credential-manager", "tea"},
}
func loadOAuth2From(rootCfg ConfigProvider) {
sec := rootCfg.Section("oauth2")
if err := sec.MapTo(&OAuth2); err != nil {
log.Fatal("Failed to map OAuth2 settings: %v", err)
return
}
if sec.HasKey("DEFAULT_APPLICATIONS") && sec.Key("DEFAULT_APPLICATIONS").String() == "" {
OAuth2.DefaultApplications = nil
}
// Handle the rename of ENABLE to ENABLED
deprecatedSetting(rootCfg, "oauth2", "ENABLE", "oauth2", "ENABLED", "v1.23.0")
if sec.HasKey("ENABLE") && !sec.HasKey("ENABLED") {
OAuth2.Enabled = sec.Key("ENABLE").MustBool(OAuth2.Enabled)
}
if !OAuth2.Enabled {
return
}
jwtSecretBase64 := loadSecret(sec, "JWT_SECRET_URI", "JWT_SECRET")
if !filepath.IsAbs(OAuth2.JWTSigningPrivateKeyFile) {
OAuth2.JWTSigningPrivateKeyFile = filepath.Join(AppDataPath, OAuth2.JWTSigningPrivateKeyFile)
}
if InstallLock {
jwtSecretBytes, err := generate.DecodeJwtSecretBase64(jwtSecretBase64)
if err != nil {
jwtSecretBytes, jwtSecretBase64, err = generate.NewJwtSecretWithBase64()
if err != nil {
log.Fatal("error generating JWT secret: %v", err)
}
saveCfg, err := rootCfg.PrepareSaving()
if err != nil {
log.Fatal("save oauth2.JWT_SECRET failed: %v", err)
}
rootCfg.Section("oauth2").Key("JWT_SECRET").SetValue(jwtSecretBase64)
saveCfg.Section("oauth2").Key("JWT_SECRET").SetValue(jwtSecretBase64)
if err := saveCfg.Save(); err != nil {
log.Fatal("save oauth2.JWT_SECRET failed: %v", err)
}
}
generalSigningSecret.Store(&jwtSecretBytes)
}
}
// generalSigningSecret is used as container for a []byte value
// instead of an additional mutex, we use CompareAndSwap func to change the value thread save
var generalSigningSecret atomic.Pointer[[]byte]
func GetGeneralTokenSigningSecret() []byte {
old := generalSigningSecret.Load()
if old == nil || len(*old) == 0 {
jwtSecret, _, err := generate.NewJwtSecretWithBase64()
if err != nil {
log.Fatal("Unable to generate general JWT secret: %s", err.Error())
}
if generalSigningSecret.CompareAndSwap(old, &jwtSecret) {
// FIXME: in main branch, the signing token should be refactored (eg: one unique for LFS/OAuth2/etc ...)
logStartupProblem(1, log.WARN, "OAuth2 is not enabled, unable to use a persistent signing secret, a new one is generated, which is not persistent between restarts and cluster nodes")
return jwtSecret
}
return *generalSigningSecret.Load()
}
return *old
}