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forgejo/services/remote/promote.go
silverwind d8bc0495de
Enable unparam linter (#31277)
Enable [unparam](https://github.com/mvdan/unparam) linter.

Often I could not tell the intention why param is unused, so I put
`//nolint` for those cases like webhook request creation functions never
using `ctx`.

---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: delvh <dev.lh@web.de>
(cherry picked from commit fc2d75f86d77b022ece848acf2581c14ef21d43b)

Conflicts:
	modules/setting/config_env.go
	modules/storage/azureblob.go
	services/webhook/dingtalk.go
	services/webhook/discord.go
	services/webhook/feishu.go
	services/webhook/matrix.go
	services/webhook/msteams.go
	services/webhook/packagist.go
	services/webhook/slack.go
	services/webhook/telegram.go
	services/webhook/wechatwork.go

	run make lint-go and fix Forgejo specific warnings
2024-06-16 13:42:58 +02:00

133 lines
4.7 KiB
Go

// Copyright Earl Warren <contact@earl-warren.org>
// SPDX-License-Identifier: MIT
package remote
import (
"context"
auth_model "code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/models/db"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/services/auth/source/oauth2"
remote_source "code.gitea.io/gitea/services/auth/source/remote"
)
type Reason int
const (
ReasonNoMatch Reason = iota
ReasonNotAuth2
ReasonBadAuth2
ReasonLoginNameNotExists
ReasonNotRemote
ReasonEmailIsSet
ReasonNoSource
ReasonSourceWrongType
ReasonCanPromote
ReasonPromoted
ReasonUpdateFail
ReasonErrorLoginName
ReasonErrorGetSource
)
func NewReason(level log.Level, reason Reason, message string, args ...any) Reason {
log.Log(1, level, message, args...)
return reason
}
func getUsersByLoginName(ctx context.Context, name string) ([]*user_model.User, error) {
if len(name) == 0 {
return nil, user_model.ErrUserNotExist{Name: name}
}
users := make([]*user_model.User, 0, 5)
return users, db.GetEngine(ctx).
Table("user").
Where("login_name = ? AND login_type = ? AND type = ?", name, auth_model.Remote, user_model.UserTypeRemoteUser).
Find(&users)
}
// The remote user has:
//
// Type UserTypeRemoteUser
// LogingType Remote
// LoginName set to the unique identifier of the originating authentication source
// LoginSource set to the Remote source that can be matched against an OAuth2 source
//
// If the source from which an authentication happens is OAuth2, an existing
// remote user will be promoted to an OAuth2 user provided:
//
// user.LoginName is the same as goth.UserID (argument loginName)
// user.LoginSource has a MatchingSource equals to the name of the OAuth2 provider
//
// Once promoted, the user will be logged in without further interaction from the
// user and will own all repositories, issues, etc. associated with it.
func MaybePromoteRemoteUser(ctx context.Context, source *auth_model.Source, loginName, email string) (promoted bool, reason Reason, err error) {
user, reason, err := getRemoteUserToPromote(ctx, source, loginName, email)
if err != nil || user == nil {
return false, reason, err
}
promote := &user_model.User{
ID: user.ID,
Type: user_model.UserTypeIndividual,
Email: email,
LoginSource: source.ID,
LoginType: source.Type,
}
reason = NewReason(log.DEBUG, ReasonPromoted, "promote user %v: LoginName %v => %v, LoginSource %v => %v, LoginType %v => %v, Email %v => %v", user.ID, user.LoginName, promote.LoginName, user.LoginSource, promote.LoginSource, user.LoginType, promote.LoginType, user.Email, promote.Email)
if err := user_model.UpdateUserCols(ctx, promote, "type", "email", "login_source", "login_type"); err != nil {
return false, ReasonUpdateFail, err
}
return true, reason, nil
}
func getRemoteUserToPromote(ctx context.Context, source *auth_model.Source, loginName, email string) (*user_model.User, Reason, error) { //nolint:unparam
if !source.IsOAuth2() {
return nil, NewReason(log.DEBUG, ReasonNotAuth2, "source %v is not OAuth2", source), nil
}
oauth2Source, ok := source.Cfg.(*oauth2.Source)
if !ok {
return nil, NewReason(log.ERROR, ReasonBadAuth2, "source claims to be OAuth2 but is not"), nil
}
users, err := getUsersByLoginName(ctx, loginName)
if err != nil {
return nil, NewReason(log.ERROR, ReasonErrorLoginName, "getUserByLoginName('%s') %v", loginName, err), err
}
if len(users) == 0 {
return nil, NewReason(log.ERROR, ReasonLoginNameNotExists, "no user with LoginType UserTypeRemoteUser and LoginName '%s'", loginName), nil
}
reason := ReasonNoSource
for _, u := range users {
userSource, err := auth_model.GetSourceByID(ctx, u.LoginSource)
if err != nil {
if auth_model.IsErrSourceNotExist(err) {
reason = NewReason(log.DEBUG, ReasonNoSource, "source id = %v for user %v not found %v", u.LoginSource, u.ID, err)
continue
}
return nil, NewReason(log.ERROR, ReasonErrorGetSource, "GetSourceByID('%s') %v", u.LoginSource, err), err
}
if u.Email != "" {
reason = NewReason(log.DEBUG, ReasonEmailIsSet, "the user email is already set to '%s'", u.Email)
continue
}
remoteSource, ok := userSource.Cfg.(*remote_source.Source)
if !ok {
reason = NewReason(log.DEBUG, ReasonSourceWrongType, "expected a remote source but got %T %v", userSource, userSource)
continue
}
if oauth2Source.Provider != remoteSource.MatchingSource {
reason = NewReason(log.DEBUG, ReasonNoMatch, "skip OAuth2 source %s because it is different from %s which is the expected match for the remote source %s", oauth2Source.Provider, remoteSource.MatchingSource, remoteSource.URL)
continue
}
return u, ReasonCanPromote, nil
}
return nil, reason, nil
}