- // Copyright 2019 The Gitea Authors. All rights reserved.
- // SPDX-License-Identifier: MIT
-
- package repository
-
- import (
- "context"
- "fmt"
- "os"
- "strings"
-
- "code.gitea.io/gitea/models"
- "code.gitea.io/gitea/models/db"
- issues_model "code.gitea.io/gitea/models/issues"
- "code.gitea.io/gitea/models/organization"
- "code.gitea.io/gitea/models/perm"
- access_model "code.gitea.io/gitea/models/perm/access"
- repo_model "code.gitea.io/gitea/models/repo"
- user_model "code.gitea.io/gitea/models/user"
- "code.gitea.io/gitea/modules/log"
- repo_module "code.gitea.io/gitea/modules/repository"
- "code.gitea.io/gitea/modules/sync"
- "code.gitea.io/gitea/modules/util"
- notify_service "code.gitea.io/gitea/services/notify"
- )
-
- // repoWorkingPool represents a working pool to order the parallel changes to the same repository
- // TODO: use clustered lock (unique queue? or *abuse* cache)
- var repoWorkingPool = sync.NewExclusivePool()
-
- // TransferOwnership transfers all corresponding setting from old user to new one.
- func TransferOwnership(ctx context.Context, doer, newOwner *user_model.User, repo *repo_model.Repository, teams []*organization.Team) error {
- if err := repo.LoadOwner(ctx); err != nil {
- return err
- }
- for _, team := range teams {
- if newOwner.ID != team.OrgID {
- return fmt.Errorf("team %d does not belong to organization", team.ID)
- }
- }
-
- oldOwner := repo.Owner
-
- repoWorkingPool.CheckIn(fmt.Sprint(repo.ID))
- if err := transferOwnership(ctx, doer, newOwner.Name, repo); err != nil {
- repoWorkingPool.CheckOut(fmt.Sprint(repo.ID))
- return err
- }
- repoWorkingPool.CheckOut(fmt.Sprint(repo.ID))
-
- newRepo, err := repo_model.GetRepositoryByID(ctx, repo.ID)
- if err != nil {
- return err
- }
-
- for _, team := range teams {
- if err := models.AddRepository(ctx, team, newRepo); err != nil {
- return err
- }
- }
-
- notify_service.TransferRepository(ctx, doer, repo, oldOwner.Name)
-
- return nil
- }
-
- // transferOwnership transfers all corresponding repository items from old user to new one.
- func transferOwnership(ctx context.Context, doer *user_model.User, newOwnerName string, repo *repo_model.Repository) (err error) {
- repoRenamed := false
- wikiRenamed := false
- oldOwnerName := doer.Name
-
- defer func() {
- if !repoRenamed && !wikiRenamed {
- return
- }
-
- recoverErr := recover()
- if err == nil && recoverErr == nil {
- return
- }
-
- if repoRenamed {
- if err := util.Rename(repo_model.RepoPath(newOwnerName, repo.Name), repo_model.RepoPath(oldOwnerName, repo.Name)); err != nil {
- log.Critical("Unable to move repository %s/%s directory from %s back to correct place %s: %v", oldOwnerName, repo.Name,
- repo_model.RepoPath(newOwnerName, repo.Name), repo_model.RepoPath(oldOwnerName, repo.Name), err)
- }
- }
-
- if wikiRenamed {
- if err := util.Rename(repo_model.WikiPath(newOwnerName, repo.Name), repo_model.WikiPath(oldOwnerName, repo.Name)); err != nil {
- log.Critical("Unable to move wiki for repository %s/%s directory from %s back to correct place %s: %v", oldOwnerName, repo.Name,
- repo_model.WikiPath(newOwnerName, repo.Name), repo_model.WikiPath(oldOwnerName, repo.Name), err)
- }
- }
-
- if recoverErr != nil {
- log.Error("Panic within TransferOwnership: %v\n%s", recoverErr, log.Stack(2))
- panic(recoverErr)
- }
- }()
-
- ctx, committer, err := db.TxContext(ctx)
- if err != nil {
- return err
- }
- defer committer.Close()
-
- sess := db.GetEngine(ctx)
-
- newOwner, err := user_model.GetUserByName(ctx, newOwnerName)
- if err != nil {
- return fmt.Errorf("get new owner '%s': %w", newOwnerName, err)
- }
- newOwnerName = newOwner.Name // ensure capitalisation matches
-
- // Check if new owner has repository with same name.
- if has, err := repo_model.IsRepositoryModelOrDirExist(ctx, newOwner, repo.Name); err != nil {
- return fmt.Errorf("IsRepositoryExist: %w", err)
- } else if has {
- return repo_model.ErrRepoAlreadyExist{
- Uname: newOwnerName,
- Name: repo.Name,
- }
- }
-
- oldOwner := repo.Owner
- oldOwnerName = oldOwner.Name
-
- // Note: we have to set value here to make sure recalculate accesses is based on
- // new owner.
- repo.OwnerID = newOwner.ID
- repo.Owner = newOwner
- repo.OwnerName = newOwner.Name
-
- // Update repository.
- if _, err := sess.ID(repo.ID).Update(repo); err != nil {
- return fmt.Errorf("update owner: %w", err)
- }
-
- // Remove redundant collaborators.
- collaborators, _, err := repo_model.GetCollaborators(ctx, &repo_model.FindCollaborationOptions{RepoID: repo.ID})
- if err != nil {
- return fmt.Errorf("GetCollaborators: %w", err)
- }
-
- // Dummy object.
- collaboration := &repo_model.Collaboration{RepoID: repo.ID}
- for _, c := range collaborators {
- if c.IsGhost() {
- collaboration.ID = c.Collaboration.ID
- if _, err := sess.Delete(collaboration); err != nil {
- return fmt.Errorf("remove collaborator '%d': %w", c.ID, err)
- }
- collaboration.ID = 0
- }
-
- if c.ID != newOwner.ID {
- isMember, err := organization.IsOrganizationMember(ctx, newOwner.ID, c.ID)
- if err != nil {
- return fmt.Errorf("IsOrgMember: %w", err)
- } else if !isMember {
- continue
- }
- }
- collaboration.UserID = c.ID
- if _, err := sess.Delete(collaboration); err != nil {
- return fmt.Errorf("remove collaborator '%d': %w", c.ID, err)
- }
- collaboration.UserID = 0
- }
-
- // Remove old team-repository relations.
- if oldOwner.IsOrganization() {
- if err := organization.RemoveOrgRepo(ctx, oldOwner.ID, repo.ID); err != nil {
- return fmt.Errorf("removeOrgRepo: %w", err)
- }
- }
-
- if newOwner.IsOrganization() {
- teams, err := organization.FindOrgTeams(ctx, newOwner.ID)
- if err != nil {
- return fmt.Errorf("LoadTeams: %w", err)
- }
- for _, t := range teams {
- if t.IncludesAllRepositories {
- if err := models.AddRepository(ctx, t, repo); err != nil {
- return fmt.Errorf("AddRepository: %w", err)
- }
- }
- }
- } else if err := access_model.RecalculateAccesses(ctx, repo); err != nil {
- // Organization called this in addRepository method.
- return fmt.Errorf("recalculateAccesses: %w", err)
- }
-
- // Update repository count.
- if _, err := sess.Exec("UPDATE `user` SET num_repos=num_repos+1 WHERE id=?", newOwner.ID); err != nil {
- return fmt.Errorf("increase new owner repository count: %w", err)
- } else if _, err := sess.Exec("UPDATE `user` SET num_repos=num_repos-1 WHERE id=?", oldOwner.ID); err != nil {
- return fmt.Errorf("decrease old owner repository count: %w", err)
- }
-
- if err := repo_model.WatchRepo(ctx, doer, repo, true); err != nil {
- return fmt.Errorf("watchRepo: %w", err)
- }
-
- // Remove watch for organization.
- if oldOwner.IsOrganization() {
- if err := repo_model.WatchRepo(ctx, oldOwner, repo, false); err != nil {
- return fmt.Errorf("watchRepo [false]: %w", err)
- }
- }
-
- // Delete labels that belong to the old organization and comments that added these labels
- if oldOwner.IsOrganization() {
- if _, err := sess.Exec(`DELETE FROM issue_label WHERE issue_label.id IN (
- SELECT il_too.id FROM (
- SELECT il_too_too.id
- FROM issue_label AS il_too_too
- INNER JOIN label ON il_too_too.label_id = label.id
- INNER JOIN issue on issue.id = il_too_too.issue_id
- WHERE
- issue.repo_id = ? AND ((label.org_id = 0 AND issue.repo_id != label.repo_id) OR (label.repo_id = 0 AND label.org_id != ?))
- ) AS il_too )`, repo.ID, newOwner.ID); err != nil {
- return fmt.Errorf("Unable to remove old org labels: %w", err)
- }
-
- if _, err := sess.Exec(`DELETE FROM comment WHERE comment.id IN (
- SELECT il_too.id FROM (
- SELECT com.id
- FROM comment AS com
- INNER JOIN label ON com.label_id = label.id
- INNER JOIN issue ON issue.id = com.issue_id
- WHERE
- com.type = ? AND issue.repo_id = ? AND ((label.org_id = 0 AND issue.repo_id != label.repo_id) OR (label.repo_id = 0 AND label.org_id != ?))
- ) AS il_too)`, issues_model.CommentTypeLabel, repo.ID, newOwner.ID); err != nil {
- return fmt.Errorf("Unable to remove old org label comments: %w", err)
- }
- }
-
- // Rename remote repository to new path and delete local copy.
- dir := user_model.UserPath(newOwner.Name)
-
- if err := os.MkdirAll(dir, os.ModePerm); err != nil {
- return fmt.Errorf("Failed to create dir %s: %w", dir, err)
- }
-
- if err := util.Rename(repo_model.RepoPath(oldOwner.Name, repo.Name), repo_model.RepoPath(newOwner.Name, repo.Name)); err != nil {
- return fmt.Errorf("rename repository directory: %w", err)
- }
- repoRenamed = true
-
- // Rename remote wiki repository to new path and delete local copy.
- wikiPath := repo_model.WikiPath(oldOwner.Name, repo.Name)
-
- if isExist, err := util.IsExist(wikiPath); err != nil {
- log.Error("Unable to check if %s exists. Error: %v", wikiPath, err)
- return err
- } else if isExist {
- if err := util.Rename(wikiPath, repo_model.WikiPath(newOwner.Name, repo.Name)); err != nil {
- return fmt.Errorf("rename repository wiki: %w", err)
- }
- wikiRenamed = true
- }
-
- if err := models.DeleteRepositoryTransfer(ctx, repo.ID); err != nil {
- return fmt.Errorf("deleteRepositoryTransfer: %w", err)
- }
- repo.Status = repo_model.RepositoryReady
- if err := repo_model.UpdateRepositoryCols(ctx, repo, "status"); err != nil {
- return err
- }
-
- // If there was previously a redirect at this location, remove it.
- if err := repo_model.DeleteRedirect(ctx, newOwner.ID, repo.Name); err != nil {
- return fmt.Errorf("delete repo redirect: %w", err)
- }
-
- if err := repo_model.NewRedirect(ctx, oldOwner.ID, repo.ID, repo.Name, repo.Name); err != nil {
- return fmt.Errorf("repo_model.NewRedirect: %w", err)
- }
-
- return committer.Commit()
- }
-
- // changeRepositoryName changes all corresponding setting from old repository name to new one.
- func changeRepositoryName(ctx context.Context, doer *user_model.User, repo *repo_model.Repository, newRepoName string) (err error) {
- oldRepoName := repo.Name
- newRepoName = strings.ToLower(newRepoName)
- if err = repo_model.IsUsableRepoName(newRepoName); err != nil {
- return err
- }
-
- if err := repo.LoadOwner(ctx); err != nil {
- return err
- }
-
- has, err := repo_model.IsRepositoryModelOrDirExist(ctx, repo.Owner, newRepoName)
- if err != nil {
- return fmt.Errorf("IsRepositoryExist: %w", err)
- } else if has {
- return repo_model.ErrRepoAlreadyExist{
- Uname: repo.Owner.Name,
- Name: newRepoName,
- }
- }
-
- newRepoPath := repo_model.RepoPath(repo.Owner.Name, newRepoName)
- if err = util.Rename(repo.RepoPath(), newRepoPath); err != nil {
- return fmt.Errorf("rename repository directory: %w", err)
- }
-
- wikiPath := repo.WikiPath()
- isExist, err := util.IsExist(wikiPath)
- if err != nil {
- log.Error("Unable to check if %s exists. Error: %v", wikiPath, err)
- return err
- }
- if isExist {
- if err = util.Rename(wikiPath, repo_model.WikiPath(repo.Owner.Name, newRepoName)); err != nil {
- return fmt.Errorf("rename repository wiki: %w", err)
- }
- }
-
- ctx, committer, err := db.TxContext(ctx)
- if err != nil {
- return err
- }
- defer committer.Close()
-
- if err := repo_model.NewRedirect(ctx, repo.Owner.ID, repo.ID, oldRepoName, newRepoName); err != nil {
- return err
- }
-
- return committer.Commit()
- }
-
- // ChangeRepositoryName changes all corresponding setting from old repository name to new one.
- func ChangeRepositoryName(ctx context.Context, doer *user_model.User, repo *repo_model.Repository, newRepoName string) error {
- log.Trace("ChangeRepositoryName: %s/%s -> %s", doer.Name, repo.Name, newRepoName)
-
- oldRepoName := repo.Name
-
- // Change repository directory name. We must lock the local copy of the
- // repo so that we can atomically rename the repo path and updates the
- // local copy's origin accordingly.
-
- repoWorkingPool.CheckIn(fmt.Sprint(repo.ID))
- if err := changeRepositoryName(ctx, doer, repo, newRepoName); err != nil {
- repoWorkingPool.CheckOut(fmt.Sprint(repo.ID))
- return err
- }
- repoWorkingPool.CheckOut(fmt.Sprint(repo.ID))
-
- repo.Name = newRepoName
- notify_service.RenameRepository(ctx, doer, repo, oldRepoName)
-
- return nil
- }
-
- // StartRepositoryTransfer transfer a repo from one owner to a new one.
- // it make repository into pending transfer state, if doer can not create repo for new owner.
- func StartRepositoryTransfer(ctx context.Context, doer, newOwner *user_model.User, repo *repo_model.Repository, teams []*organization.Team) error {
- if err := models.TestRepositoryReadyForTransfer(repo.Status); err != nil {
- return err
- }
-
- // Admin is always allowed to transfer || user transfer repo back to his account
- if doer.IsAdmin || doer.ID == newOwner.ID {
- return TransferOwnership(ctx, doer, newOwner, repo, teams)
- }
-
- if user_model.IsUserBlockedBy(ctx, doer, newOwner.ID) {
- return user_model.ErrBlockedUser
- }
-
- // If new owner is an org and user can create repos he can transfer directly too
- if newOwner.IsOrganization() {
- allowed, err := organization.CanCreateOrgRepo(ctx, newOwner.ID, doer.ID)
- if err != nil {
- return err
- }
- if allowed {
- return TransferOwnership(ctx, doer, newOwner, repo, teams)
- }
- }
-
- // In case the new owner would not have sufficient access to the repo, give access rights for read
- hasAccess, err := access_model.HasAnyUnitAccess(ctx, newOwner.ID, repo)
- if err != nil {
- return err
- }
- if !hasAccess {
- if err := repo_module.AddCollaborator(ctx, repo, newOwner); err != nil {
- return err
- }
- if err := repo_model.ChangeCollaborationAccessMode(ctx, repo, newOwner.ID, perm.AccessModeRead); err != nil {
- return err
- }
- }
-
- // Make repo as pending for transfer
- repo.Status = repo_model.RepositoryPendingTransfer
- if err := models.CreatePendingRepositoryTransfer(ctx, doer, newOwner, repo.ID, teams); err != nil {
- return err
- }
-
- // notify users who are able to accept / reject transfer
- notify_service.RepoPendingTransfer(ctx, doer, newOwner, repo)
-
- return nil
- }
-
- // CancelRepositoryTransfer marks the repository as ready and remove pending transfer entry,
- // thus cancel the transfer process.
- func CancelRepositoryTransfer(ctx context.Context, repo *repo_model.Repository) error {
- ctx, committer, err := db.TxContext(ctx)
- if err != nil {
- return err
- }
- defer committer.Close()
-
- repo.Status = repo_model.RepositoryReady
- if err := repo_model.UpdateRepositoryCols(ctx, repo, "status"); err != nil {
- return err
- }
-
- if err := models.DeleteRepositoryTransfer(ctx, repo.ID); err != nil {
- return err
- }
-
- return committer.Commit()
- }
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