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// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package models
import (
"context"
"fmt"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/organization"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/timeutil"
"xorm.io/builder"
)
// RepoTransfer is used to manage repository transfers
type RepoTransfer struct {
ID int64 `xorm:"pk autoincr"`
DoerID int64
Doer *user_model.User `xorm:"-"`
RecipientID int64
Recipient *user_model.User `xorm:"-"`
RepoID int64
TeamIDs []int64
Teams []*organization.Team `xorm:"-"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX NOT NULL created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX NOT NULL updated"`
}
func init() {
db.RegisterModel(new(RepoTransfer))
}
// LoadAttributes fetches the transfer recipient from the database
func (r *RepoTransfer) LoadAttributes(ctx context.Context) error {
if r.Recipient == nil {
u, err := user_model.GetUserByID(ctx, r.RecipientID)
if err != nil {
return err
}
r.Recipient = u
}
if r.Recipient.IsOrganization() && len(r.TeamIDs) != len(r.Teams) {
for _, v := range r.TeamIDs {
team, err := organization.GetTeamByID(ctx, v)
if err != nil {
return err
}
if team.OrgID != r.Recipient.ID {
return fmt.Errorf("team %d belongs not to org %d", v, r.Recipient.ID)
}
r.Teams = append(r.Teams, team)
}
}
if r.Doer == nil {
u, err := user_model.GetUserByID(ctx, r.DoerID)
if err != nil {
return err
}
r.Doer = u
}
return nil
}
// CanUserAcceptTransfer checks if the user has the rights to accept/decline a repo transfer.
// For user, it checks if it's himself
// For organizations, it checks if the user is able to create repos
func (r *RepoTransfer) CanUserAcceptTransfer(ctx context.Context, u *user_model.User) bool {
if err := r.LoadAttributes(ctx); err != nil {
log.Error("LoadAttributes: %v", err)
return false
}
if !r.Recipient.IsOrganization() {
return r.RecipientID == u.ID
}
allowed, err := organization.CanCreateOrgRepo(ctx, r.RecipientID, u.ID)
if err != nil {
log.Error("CanCreateOrgRepo: %v", err)
return false
}
return allowed
}
type PendingRepositoryTransferOptions struct {
RepoID int64
SenderID int64
RecipientID int64
}
func (opts *PendingRepositoryTransferOptions) ToConds() builder.Cond {
cond := builder.NewCond()
if opts.RepoID != 0 {
cond = cond.And(builder.Eq{"repo_id": opts.RepoID})
}
if opts.SenderID != 0 {
cond = cond.And(builder.Eq{"doer_id": opts.SenderID})
}
if opts.RecipientID != 0 {
cond = cond.And(builder.Eq{"recipient_id": opts.RecipientID})
}
return cond
}
func GetPendingRepositoryTransfers(ctx context.Context, opts *PendingRepositoryTransferOptions) ([]*RepoTransfer, error) {
transfers := make([]*RepoTransfer, 0, 10)
return transfers, db.GetEngine(ctx).
Where(opts.ToConds()).
Find(&transfers)
}
// GetPendingRepositoryTransfer fetches the most recent and ongoing transfer
// process for the repository
func GetPendingRepositoryTransfer(ctx context.Context, repo *repo_model.Repository) (*RepoTransfer, error) {
transfers, err := GetPendingRepositoryTransfers(ctx, &PendingRepositoryTransferOptions{RepoID: repo.ID})
if err != nil {
return nil, err
}
if len(transfers) != 1 {
return nil, ErrNoPendingRepoTransfer{RepoID: repo.ID}
}
return transfers[0], nil
}
func DeleteRepositoryTransfer(ctx context.Context, repoID int64) error {
_, err := db.GetEngine(ctx).Where("repo_id = ?", repoID).Delete(&RepoTransfer{})
return err
}
// TestRepositoryReadyForTransfer make sure repo is ready to transfer
func TestRepositoryReadyForTransfer(status repo_model.RepositoryStatus) error {
switch status {
case repo_model.RepositoryBeingMigrated:
return fmt.Errorf("repo is not ready, currently migrating")
case repo_model.RepositoryPendingTransfer:
return ErrRepoTransferInProgress{}
}
return nil
}
// CreatePendingRepositoryTransfer transfer a repo from one owner to a new one.
// it marks the repository transfer as "pending"
func CreatePendingRepositoryTransfer(ctx context.Context, doer, newOwner *user_model.User, repoID int64, teams []*organization.Team) error {
return db.WithTx(ctx, func(ctx context.Context) error {
repo, err := repo_model.GetRepositoryByID(ctx, repoID)
if err != nil {
return err
}
// Make sure repo is ready to transfer
if err := TestRepositoryReadyForTransfer(repo.Status); err != nil {
return err
}
repo.Status = repo_model.RepositoryPendingTransfer
if err := repo_model.UpdateRepositoryCols(ctx, repo, "status"); err != nil {
return err
}
// Check if new owner has repository with same name.
if has, err := repo_model.IsRepositoryModelExist(ctx, newOwner, repo.Name); err != nil {
return fmt.Errorf("IsRepositoryExist: %w", err)
} else if has {
return repo_model.ErrRepoAlreadyExist{
Uname: newOwner.LowerName,
Name: repo.Name,
}
}
transfer := &RepoTransfer{
RepoID: repo.ID,
RecipientID: newOwner.ID,
CreatedUnix: timeutil.TimeStampNow(),
UpdatedUnix: timeutil.TimeStampNow(),
DoerID: doer.ID,
TeamIDs: make([]int64, 0, len(teams)),
}
for k := range teams {
transfer.TeamIDs = append(transfer.TeamIDs, teams[k].ID)
}
return db.Insert(ctx, transfer)
})
}
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