feat: define FederatedHost and FederatedUser and related functions

Creating federated hosts bypasses the normal creation rules. This
function ignores special characters check.

models/federation/federation.go

@@ -0,0 +1,163 @@
+package federation
+
+import (
+	"context"
+	"strings"
+
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/setting"
+)
+
+// HookTask represents a hook task.
+// exact copy of models/webhook/hooktask.go when this migration was created
+//   - xorm:"-" fields deleted
+type FederatedHost struct {
+	ID        int64 `xorm:"pk autoincr"`
+	isBlocked bool
+	HostFqdn  string `xorm:"UNIQUE(s) INDEX"`
+}
+
+func GetFederatdHost(ctx context.Context, hostFqdn string) (*FederatedHost, error) {
+	rec := new(FederatedHost)
+	_, err := db.GetEngine(ctx).
+		Table("federated_host").Where("host_fqdn = ?", hostFqdn).Get(rec)
+	if err != nil {
+		return nil, err
+	}
+	return rec, nil
+}
+
+func FederatedHostExists(ctx context.Context, hostFqdn string) (bool, error) {
+	rec := new(FederatedHost)
+	exists, err := db.GetEngine(ctx).
+		Table("federated_host").Where("host_fqdn = ?", hostFqdn).Get(rec)
+	if err != nil {
+		return false, err
+	}
+	return exists, nil
+}
+
+func (host *FederatedHost) Save(ctx context.Context) error {
+	_, err := db.GetEngine(ctx).
+		Insert(host)
+	return err
+}
+
+type FederatedUser struct {
+	ID               int64  `xorm:"pk autoincr"`
+	UserID           int64  `xorm:"INDEX"`
+	ExternalID       string `xorm:"UNIQUE(s) INDEX"`
+	FederationHostID int64  `xorm:"INDEX"`
+}
+
+func CreateFederatedUser(ctx context.Context, u *user.User, host *FederatedHost) error {
+	engine := db.GetEngine(ctx)
+	//	_, err := engine.
+	//		Insert(u)
+	//	if err != nil {
+	//		return err
+	//	}
+
+	federatedUser := new(FederatedUser)
+	federatedUser.ExternalID = u.Name
+	federatedUser.UserID = u.ID
+	federatedUser.FederationHostID = host.ID
+	_, err := engine.Insert(federatedUser)
+	return err
+}
+
+func CreatUser(ctx context.Context, u *user.User) error {
+	// set system defaults
+	u.Visibility = setting.Service.DefaultUserVisibilityMode
+	u.AllowCreateOrganization = setting.Service.DefaultAllowCreateOrganization && !setting.Admin.DisableRegularOrgCreation
+	u.EmailNotificationsPreference = setting.Admin.DefaultEmailNotification
+	u.MaxRepoCreation = -1
+	u.Theme = setting.UI.DefaultTheme
+	u.IsRestricted = setting.Service.DefaultUserIsRestricted
+	u.IsActive = !(setting.Service.RegisterEmailConfirm || setting.Service.RegisterManualConfirm)
+
+	// Ensure consistency of the dates.
+	if u.UpdatedUnix < u.CreatedUnix {
+		u.UpdatedUnix = u.CreatedUnix
+	}
+
+	// validate data
+	if err := user.ValidateUser(u); err != nil {
+		return err
+	}
+
+	if err := user.ValidateEmail(u.Email); err != nil {
+		return err
+	}
+
+	ctx, committer, err := db.TxContext(ctx)
+	if err != nil {
+		return err
+	}
+	defer committer.Close()
+
+	isExist, err := user.IsUserExist(ctx, 0, u.Name)
+	if err != nil {
+		return err
+	} else if isExist {
+		return user.ErrUserAlreadyExist{u.Name}
+	}
+
+	isExist, err = user.IsEmailUsed(ctx, u.Email)
+	if err != nil {
+		return err
+	} else if isExist {
+		return user.ErrEmailAlreadyUsed{
+			Email: u.Email,
+		}
+	}
+
+	// prepare for database
+
+	u.LowerName = strings.ToLower(u.Name)
+	u.AvatarEmail = u.Email
+	if u.Rands, err = user.GetUserSalt(); err != nil {
+		return err
+	}
+	if u.Passwd != "" {
+		if err = u.SetPassword(u.Passwd); err != nil {
+			return err
+		}
+	} else {
+		u.Salt = ""
+		u.PasswdHashAlgo = ""
+	}
+
+	// save changes to database
+
+	if err = user.DeleteUserRedirect(ctx, u.Name); err != nil {
+		return err
+	}
+
+	if u.CreatedUnix == 0 {
+		// Caller expects auto-time for creation & update timestamps.
+		err = db.Insert(ctx, u)
+	} else {
+		// Caller sets the timestamps themselves. They are responsible for ensuring
+		// both `CreatedUnix` and `UpdatedUnix` are set appropriately.
+		_, err = db.GetEngine(ctx).NoAutoTime().Insert(u)
+	}
+	if err != nil {
+		return err
+	}
+
+	// insert email address
+	if err := db.Insert(ctx, &user.EmailAddress{
+		UID:         u.ID,
+		Email:       u.Email,
+		LowerEmail:  strings.ToLower(u.Email),
+		IsActivated: u.IsActive,
+		IsPrimary:   true,
+	}); err != nil {
+		return err
+	}
+
+	return committer.Commit()
+
+}

models/forgejo_migrations/migrate.go

@@ -50,6 +50,10 @@ var migrations = []*Migration{
 	NewMigration("create the forgejo_repo_flag table", forgejo_v1_22.CreateRepoFlagTable),
 	// v5 -> v6
 	NewMigration("Add wiki_branch to repository", forgejo_v1_22.AddWikiBranchToRepository),
+	// v6 -> v7
+	NewMigration("create federated_host table", forgejo_v1_22.AddFederatedHost),
+	// v7 -> v8
+	NewMigration("create federated_user table", forgejo_v1_22.AddFederatedUser),
 }
 
 // GetCurrentDBVersion returns the current Forgejo database version.
@@ -118,6 +122,7 @@ func Migrate(x *xorm.Engine) error {
 	}
 
 	v := currentVersion.Version
+	log.Info("Current version: %d", v)
 
 	// Downgrading Forgejo's database version not supported
 	if v > ExpectedVersion() {
@@ -156,5 +161,6 @@ func Migrate(x *xorm.Engine) error {
 		return fmt.Errorf("sync: %w", err)
 	}
 
+	//	panic("fn end")
 	return semver.SetVersionStringWithEngine(x, setting.ForgejoVersion)
 }

models/forgejo_migrations/v1_22/v7.go

@@ -0,0 +1,26 @@
+// Copyright 2024 The Forgejo Authors
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+package v1_22 //nolint
+
+import (
+	"code.gitea.io/gitea/models/federation"
+	"code.gitea.io/gitea/modules/log"
+	"xorm.io/xorm"
+)
+
+//// HookTask represents a hook task.
+//// exact copy of models/webhook/hooktask.go when this migration was created
+////   - xorm:"-" fields deleted
+//type FederatedHost struct {
+//	ID        int64 `xorm:"pk autoincr"`
+//	isBlocked bool
+//	HostFqdn  string `xorm:"UNIQUE(s) INDEX"`
+//}
+
+func AddFederatedHost(x *xorm.Engine) error {
+
+	//	panic("add host")
+	log.Info("Running Add host migration")
+	return x.Sync(new(federation.FederatedHost))
+}

models/forgejo_migrations/v1_22/v8.go

@@ -0,0 +1,25 @@
+// Copyright 2024 The Forgejo Authors
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+package v1_22 //nolint
+
+import (
+	"code.gitea.io/gitea/models/federation"
+	"code.gitea.io/gitea/modules/log"
+	"xorm.io/xorm"
+)
+
+// HookTask represents a hook task.
+// exact copy of models/webhook/hooktask.go when this migration was created
+//   - xorm:"-" fields deleted
+//type FederatedUser struct {
+//	ID               int64  `xorm:"pk autoincr"`
+//	UserID           int64  `xorm:"INDEX"`
+//	ExternalID       string `xorm:"UNIQUE(s) INDEX"`
+//	FederationHostID int64  `xorm:"INDEX"`
+//}
+
+func AddFederatedUser(x *xorm.Engine) error {
+	log.Info("Running Add user migration")
+	return x.Sync(new(federation.FederatedUser))
+}