A fork of Gitea (see branch `mj`) adding Majority Judgment Polls 𐄷 over Issues and Merge Requests. https://git.mieuxvoter.fr
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// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"fmt"
"os"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
)
// RepoTransfer is used to manage repository transfers
type RepoTransfer struct {
ID int64 `xorm:"pk autoincr"`
DoerID int64
Doer *User `xorm:"-"`
RecipientID int64
Recipient *User `xorm:"-"`
RepoID int64
TeamIDs []int64
Teams []*Team `xorm:"-"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX NOT NULL created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX NOT NULL updated"`
}
// LoadAttributes fetches the transfer recipient from the database
func (r *RepoTransfer) LoadAttributes() error {
if r.Recipient == nil {
u, err := GetUserByID(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 := GetTeamByID(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 := GetUserByID(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(u *User) bool {
if err := r.LoadAttributes(); err != nil {
log.Error("LoadAttributes: %v", err)
return false
}
if !r.Recipient.IsOrganization() {
return r.RecipientID == u.ID
}
allowed, err := CanCreateOrgRepo(r.RecipientID, u.ID)
if err != nil {
log.Error("CanCreateOrgRepo: %v", err)
return false
}
return allowed
}
// GetPendingRepositoryTransfer fetches the most recent and ongoing transfer
// process for the repository
func GetPendingRepositoryTransfer(repo *Repository) (*RepoTransfer, error) {
transfer := new(RepoTransfer)
has, err := x.Where("repo_id = ? ", repo.ID).Get(transfer)
if err != nil {
return nil, err
}
if !has {
return nil, ErrNoPendingRepoTransfer{RepoID: repo.ID}
}
return transfer, nil
}
func deleteRepositoryTransfer(e Engine, repoID int64) error {
_, err := e.Where("repo_id = ?", repoID).Delete(&RepoTransfer{})
return err
}
// CancelRepositoryTransfer marks the repository as ready and remove pending transfer entry,
// thus cancel the transfer process.
func CancelRepositoryTransfer(repo *Repository) error {
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
repo.Status = RepositoryReady
if err := updateRepositoryCols(sess, repo, "status"); err != nil {
return err
}
if err := deleteRepositoryTransfer(sess, repo.ID); err != nil {
return err
}
return sess.Commit()
}
// TestRepositoryReadyForTransfer make sure repo is ready to transfer
func TestRepositoryReadyForTransfer(status RepositoryStatus) error {
switch status {
case RepositoryBeingMigrated:
return fmt.Errorf("repo is not ready, currently migrating")
case 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(doer, newOwner *User, repoID int64, teams []*Team) error {
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
repo, err := getRepositoryByID(sess, repoID)
if err != nil {
return err
}
// Make sure repo is ready to transfer
if err := TestRepositoryReadyForTransfer(repo.Status); err != nil {
return err
}
repo.Status = RepositoryPendingTransfer
if err := updateRepositoryCols(sess, repo, "status"); err != nil {
return err
}
// Check if new owner has repository with same name.
if has, err := isRepositoryExist(sess, newOwner, repo.Name); err != nil {
return fmt.Errorf("IsRepositoryExist: %v", err)
} else if has {
return ErrRepoAlreadyExist{newOwner.LowerName, 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)
}
if _, err := sess.Insert(transfer); err != nil {
return err
}
return sess.Commit()
}
// TransferOwnership transfers all corresponding repository items from old user to new one.
func TransferOwnership(doer *User, newOwnerName string, repo *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 := os.Rename(RepoPath(newOwnerName, repo.Name), 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, RepoPath(newOwnerName, repo.Name), RepoPath(oldOwnerName, repo.Name), err)
}
}
if wikiRenamed {
if err := os.Rename(WikiPath(newOwnerName, repo.Name), 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, WikiPath(newOwnerName, repo.Name), WikiPath(oldOwnerName, repo.Name), err)
}
}
if recoverErr != nil {
log.Error("Panic within TransferOwnership: %v\n%s", recoverErr, log.Stack(2))
panic(recoverErr)
}
}()
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return fmt.Errorf("sess.Begin: %v", err)
}
newOwner, err := getUserByName(sess, newOwnerName)
if err != nil {
return fmt.Errorf("get new owner '%s': %v", newOwnerName, err)
}
newOwnerName = newOwner.Name // ensure capitalisation matches
// Check if new owner has repository with same name.
if has, err := isRepositoryExist(sess, newOwner, repo.Name); err != nil {
return fmt.Errorf("IsRepositoryExist: %v", err)
} else if has {
return ErrRepoAlreadyExist{newOwnerName, 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: %v", err)
}
// Remove redundant collaborators.
collaborators, err := repo.getCollaborators(sess, ListOptions{})
if err != nil {
return fmt.Errorf("getCollaborators: %v", err)
}
// Dummy object.
collaboration := &Collaboration{RepoID: repo.ID}
for _, c := range collaborators {
if c.ID != newOwner.ID {
isMember, err := isOrganizationMember(sess, newOwner.ID, c.ID)
if err != nil {
return fmt.Errorf("IsOrgMember: %v", err)
} else if !isMember {
continue
}
}
collaboration.UserID = c.ID
if _, err := sess.Delete(collaboration); err != nil {
return fmt.Errorf("remove collaborator '%d': %v", c.ID, err)
}
}
// Remove old team-repository relations.
if oldOwner.IsOrganization() {
if err := oldOwner.removeOrgRepo(sess, repo.ID); err != nil {
return fmt.Errorf("removeOrgRepo: %v", err)
}
}
if newOwner.IsOrganization() {
if err := newOwner.getTeams(sess); err != nil {
return fmt.Errorf("GetTeams: %v", err)
}
for _, t := range newOwner.Teams {
if t.IncludesAllRepositories {
if err := t.addRepository(sess, repo); err != nil {
return fmt.Errorf("addRepository: %v", err)
}
}
}
} else if err := repo.recalculateAccesses(sess); err != nil {
// Organization called this in addRepository method.
return fmt.Errorf("recalculateAccesses: %v", 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: %v", 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: %v", err)
}
if err := watchRepo(sess, doer.ID, repo.ID, true); err != nil {
return fmt.Errorf("watchRepo: %v", err)
}
// Remove watch for organization.
if oldOwner.IsOrganization() {
if err := watchRepo(sess, oldOwner.ID, repo.ID, false); err != nil {
return fmt.Errorf("watchRepo [false]: %v", 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: %v", 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)`, CommentTypeLabel, repo.ID, newOwner.ID); err != nil {
return fmt.Errorf("Unable to remove old org label comments: %v", err)
}
}
// Rename remote repository to new path and delete local copy.
dir := UserPath(newOwner.Name)
if err := os.MkdirAll(dir, os.ModePerm); err != nil {
return fmt.Errorf("Failed to create dir %s: %v", dir, err)
}
if err := os.Rename(RepoPath(oldOwner.Name, repo.Name), RepoPath(newOwner.Name, repo.Name)); err != nil {
return fmt.Errorf("rename repository directory: %v", err)
}
repoRenamed = true
// Rename remote wiki repository to new path and delete local copy.
wikiPath := 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 := os.Rename(wikiPath, WikiPath(newOwner.Name, repo.Name)); err != nil {
return fmt.Errorf("rename repository wiki: %v", err)
}
wikiRenamed = true
}
if err := deleteRepositoryTransfer(sess, repo.ID); err != nil {
return fmt.Errorf("deleteRepositoryTransfer: %v", err)
}
repo.Status = RepositoryReady
if err := updateRepositoryCols(sess, repo, "status"); err != nil {
return err
}
// If there was previously a redirect at this location, remove it.
if err := deleteRepoRedirect(sess, newOwner.ID, repo.Name); err != nil {
return fmt.Errorf("delete repo redirect: %v", err)
}
if err := newRepoRedirect(sess, oldOwner.ID, repo.ID, repo.Name, repo.Name); err != nil {
return fmt.Errorf("newRepoRedirect: %v", err)
}
return sess.Commit()
}