// Copyright 2017 The Gitea Authors. All rights reserved. // SPDX-License-Identifier: MIT package git import ( "context" "fmt" "path" "strings" "time" "code.gitea.io/gitea/models/db" "code.gitea.io/gitea/models/perm" access_model "code.gitea.io/gitea/models/perm/access" repo_model "code.gitea.io/gitea/models/repo" "code.gitea.io/gitea/models/unit" user_model "code.gitea.io/gitea/models/user" "code.gitea.io/gitea/modules/setting" ) // LFSLock represents a git lfs lock of repository. type LFSLock struct { ID int64 `xorm:"pk autoincr"` RepoID int64 `xorm:"INDEX NOT NULL"` OwnerID int64 `xorm:"INDEX NOT NULL"` Path string `xorm:"TEXT"` Created time.Time `xorm:"created"` } func init() { db.RegisterModel(new(LFSLock)) } // BeforeInsert is invoked from XORM before inserting an object of this type. func (l *LFSLock) BeforeInsert() { l.Path = cleanPath(l.Path) } func cleanPath(p string) string { return path.Clean("/" + p)[1:] } // CreateLFSLock creates a new lock. func CreateLFSLock(repo *repo_model.Repository, lock *LFSLock) (*LFSLock, error) { dbCtx, committer, err := db.TxContext(db.DefaultContext) if err != nil { return nil, err } defer committer.Close() if err := CheckLFSAccessForRepo(dbCtx, lock.OwnerID, repo, perm.AccessModeWrite); err != nil { return nil, err } lock.Path = cleanPath(lock.Path) lock.RepoID = repo.ID l, err := GetLFSLock(dbCtx, repo, lock.Path) if err == nil { return l, ErrLFSLockAlreadyExist{lock.RepoID, lock.Path} } if !IsErrLFSLockNotExist(err) { return nil, err } if err := db.Insert(dbCtx, lock); err != nil { return nil, err } return lock, committer.Commit() } // GetLFSLock returns release by given path. func GetLFSLock(ctx context.Context, repo *repo_model.Repository, path string) (*LFSLock, error) { path = cleanPath(path) rel := &LFSLock{RepoID: repo.ID} has, err := db.GetEngine(ctx).Where("lower(path) = ?", strings.ToLower(path)).Get(rel) if err != nil { return nil, err } if !has { return nil, ErrLFSLockNotExist{0, repo.ID, path} } return rel, nil } // GetLFSLockByID returns release by given id. func GetLFSLockByID(ctx context.Context, id int64) (*LFSLock, error) { lock := new(LFSLock) has, err := db.GetEngine(ctx).ID(id).Get(lock) if err != nil { return nil, err } else if !has { return nil, ErrLFSLockNotExist{id, 0, ""} } return lock, nil } // GetLFSLockByRepoID returns a list of locks of repository. func GetLFSLockByRepoID(repoID int64, page, pageSize int) ([]*LFSLock, error) { e := db.GetEngine(db.DefaultContext) if page >= 0 && pageSize > 0 { start := 0 if page > 0 { start = (page - 1) * pageSize } e.Limit(pageSize, start) } lfsLocks := make([]*LFSLock, 0, pageSize) return lfsLocks, e.Find(&lfsLocks, &LFSLock{RepoID: repoID}) } // GetTreePathLock returns LSF lock for the treePath func GetTreePathLock(repoID int64, treePath string) (*LFSLock, error) { if !setting.LFS.StartServer { return nil, nil } locks, err := GetLFSLockByRepoID(repoID, 0, 0) if err != nil { return nil, err } for _, lock := range locks { if lock.Path == treePath { return lock, nil } } return nil, nil } // CountLFSLockByRepoID returns a count of all LFSLocks associated with a repository. func CountLFSLockByRepoID(repoID int64) (int64, error) { return db.GetEngine(db.DefaultContext).Count(&LFSLock{RepoID: repoID}) } // DeleteLFSLockByID deletes a lock by given ID. func DeleteLFSLockByID(id int64, repo *repo_model.Repository, u *user_model.User, force bool) (*LFSLock, error) { dbCtx, committer, err := db.TxContext(db.DefaultContext) if err != nil { return nil, err } defer committer.Close() lock, err := GetLFSLockByID(dbCtx, id) if err != nil { return nil, err } if err := CheckLFSAccessForRepo(dbCtx, u.ID, repo, perm.AccessModeWrite); err != nil { return nil, err } if !force && u.ID != lock.OwnerID { return nil, fmt.Errorf("user doesn't own lock and force flag is not set") } if _, err := db.GetEngine(dbCtx).ID(id).Delete(new(LFSLock)); err != nil { return nil, err } return lock, committer.Commit() } // CheckLFSAccessForRepo check needed access mode base on action func CheckLFSAccessForRepo(ctx context.Context, ownerID int64, repo *repo_model.Repository, mode perm.AccessMode) error { if ownerID == 0 { return ErrLFSUnauthorizedAction{repo.ID, "undefined", mode} } u, err := user_model.GetUserByID(ctx, ownerID) if err != nil { return err } perm, err := access_model.GetUserRepoPermission(ctx, repo, u) if err != nil { return err } if !perm.CanAccess(mode, unit.TypeCode) { return ErrLFSUnauthorizedAction{repo.ID, u.DisplayName(), mode} } return nil<style>pre { line-height: 125%; } td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; } span.linenos { color: inherit; background-color: transparent; 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