323 lines
9.5 KiB
Go
323 lines
9.5 KiB
Go
// Copyright 2020 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 git
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"code.gitea.io/gitea/models/db"
|
|
"code.gitea.io/gitea/models/perm"
|
|
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/lfs"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/timeutil"
|
|
"code.gitea.io/gitea/modules/util"
|
|
|
|
"xorm.io/builder"
|
|
)
|
|
|
|
// ErrLFSLockNotExist represents a "LFSLockNotExist" kind of error.
|
|
type ErrLFSLockNotExist struct {
|
|
ID int64
|
|
RepoID int64
|
|
Path string
|
|
}
|
|
|
|
// IsErrLFSLockNotExist checks if an error is a ErrLFSLockNotExist.
|
|
func IsErrLFSLockNotExist(err error) bool {
|
|
_, ok := err.(ErrLFSLockNotExist)
|
|
return ok
|
|
}
|
|
|
|
func (err ErrLFSLockNotExist) Error() string {
|
|
return fmt.Sprintf("lfs lock does not exist [id: %d, rid: %d, path: %s]", err.ID, err.RepoID, err.Path)
|
|
}
|
|
|
|
func (err ErrLFSLockNotExist) Unwrap() error {
|
|
return util.ErrNotExist
|
|
}
|
|
|
|
// ErrLFSUnauthorizedAction represents a "LFSUnauthorizedAction" kind of error.
|
|
type ErrLFSUnauthorizedAction struct {
|
|
RepoID int64
|
|
UserName string
|
|
Mode perm.AccessMode
|
|
}
|
|
|
|
// IsErrLFSUnauthorizedAction checks if an error is a ErrLFSUnauthorizedAction.
|
|
func IsErrLFSUnauthorizedAction(err error) bool {
|
|
_, ok := err.(ErrLFSUnauthorizedAction)
|
|
return ok
|
|
}
|
|
|
|
func (err ErrLFSUnauthorizedAction) Error() string {
|
|
if err.Mode == perm.AccessModeWrite {
|
|
return fmt.Sprintf("User %s doesn't have write access for lfs lock [rid: %d]", err.UserName, err.RepoID)
|
|
}
|
|
return fmt.Sprintf("User %s doesn't have read access for lfs lock [rid: %d]", err.UserName, err.RepoID)
|
|
}
|
|
|
|
func (err ErrLFSUnauthorizedAction) Unwrap() error {
|
|
return util.ErrPermissionDenied
|
|
}
|
|
|
|
// ErrLFSLockAlreadyExist represents a "LFSLockAlreadyExist" kind of error.
|
|
type ErrLFSLockAlreadyExist struct {
|
|
RepoID int64
|
|
Path string
|
|
}
|
|
|
|
// IsErrLFSLockAlreadyExist checks if an error is a ErrLFSLockAlreadyExist.
|
|
func IsErrLFSLockAlreadyExist(err error) bool {
|
|
_, ok := err.(ErrLFSLockAlreadyExist)
|
|
return ok
|
|
}
|
|
|
|
func (err ErrLFSLockAlreadyExist) Error() string {
|
|
return fmt.Sprintf("lfs lock already exists [rid: %d, path: %s]", err.RepoID, err.Path)
|
|
}
|
|
|
|
func (err ErrLFSLockAlreadyExist) Unwrap() error {
|
|
return util.ErrAlreadyExist
|
|
}
|
|
|
|
// ErrLFSFileLocked represents a "LFSFileLocked" kind of error.
|
|
type ErrLFSFileLocked struct {
|
|
RepoID int64
|
|
Path string
|
|
UserName string
|
|
}
|
|
|
|
// IsErrLFSFileLocked checks if an error is a ErrLFSFileLocked.
|
|
func IsErrLFSFileLocked(err error) bool {
|
|
_, ok := err.(ErrLFSFileLocked)
|
|
return ok
|
|
}
|
|
|
|
func (err ErrLFSFileLocked) Error() string {
|
|
return fmt.Sprintf("File is lfs locked [repo: %d, locked by: %s, path: %s]", err.RepoID, err.UserName, err.Path)
|
|
}
|
|
|
|
func (err ErrLFSFileLocked) Unwrap() error {
|
|
return util.ErrPermissionDenied
|
|
}
|
|
|
|
// LFSMetaObject stores metadata for LFS tracked files.
|
|
type LFSMetaObject struct {
|
|
ID int64 `xorm:"pk autoincr"`
|
|
lfs.Pointer `xorm:"extends"`
|
|
RepositoryID int64 `xorm:"UNIQUE(s) INDEX NOT NULL"`
|
|
Existing bool `xorm:"-"`
|
|
CreatedUnix timeutil.TimeStamp `xorm:"created"`
|
|
}
|
|
|
|
func init() {
|
|
db.RegisterModel(new(LFSMetaObject))
|
|
}
|
|
|
|
// LFSTokenResponse defines the JSON structure in which the JWT token is stored.
|
|
// This structure is fetched via SSH and passed by the Git LFS client to the server
|
|
// endpoint for authorization.
|
|
type LFSTokenResponse struct {
|
|
Header map[string]string `json:"header"`
|
|
Href string `json:"href"`
|
|
}
|
|
|
|
// ErrLFSObjectNotExist is returned from lfs models functions in order
|
|
// to differentiate between database and missing object errors.
|
|
var ErrLFSObjectNotExist = db.ErrNotExist{Resource: "LFS Meta object"}
|
|
|
|
// NewLFSMetaObject stores a given populated LFSMetaObject structure in the database
|
|
// if it is not already present.
|
|
func NewLFSMetaObject(m *LFSMetaObject) (*LFSMetaObject, error) {
|
|
var err error
|
|
|
|
ctx, committer, err := db.TxContext()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer committer.Close()
|
|
|
|
has, err := db.GetByBean(ctx, m)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if has {
|
|
m.Existing = true
|
|
return m, committer.Commit()
|
|
}
|
|
|
|
if err = db.Insert(ctx, m); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return m, committer.Commit()
|
|
}
|
|
|
|
// GetLFSMetaObjectByOid selects a LFSMetaObject entry from database by its OID.
|
|
// It may return ErrLFSObjectNotExist or a database error. If the error is nil,
|
|
// the returned pointer is a valid LFSMetaObject.
|
|
func GetLFSMetaObjectByOid(repoID int64, oid string) (*LFSMetaObject, error) {
|
|
if len(oid) == 0 {
|
|
return nil, ErrLFSObjectNotExist
|
|
}
|
|
|
|
m := &LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}, RepositoryID: repoID}
|
|
has, err := db.GetEngine(db.DefaultContext).Get(m)
|
|
if err != nil {
|
|
return nil, err
|
|
} else if !has {
|
|
return nil, ErrLFSObjectNotExist
|
|
}
|
|
return m, nil
|
|
}
|
|
|
|
// RemoveLFSMetaObjectByOid removes a LFSMetaObject entry from database by its OID.
|
|
// It may return ErrLFSObjectNotExist or a database error.
|
|
func RemoveLFSMetaObjectByOid(repoID int64, oid string) (int64, error) {
|
|
if len(oid) == 0 {
|
|
return 0, ErrLFSObjectNotExist
|
|
}
|
|
|
|
ctx, committer, err := db.TxContext()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer committer.Close()
|
|
|
|
m := &LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}, RepositoryID: repoID}
|
|
if _, err := db.DeleteByBean(ctx, m); err != nil {
|
|
return -1, err
|
|
}
|
|
|
|
count, err := db.CountByBean(ctx, &LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}})
|
|
if err != nil {
|
|
return count, err
|
|
}
|
|
|
|
return count, committer.Commit()
|
|
}
|
|
|
|
// GetLFSMetaObjects returns all LFSMetaObjects associated with a repository
|
|
func GetLFSMetaObjects(repoID int64, page, pageSize int) ([]*LFSMetaObject, error) {
|
|
sess := db.GetEngine(db.DefaultContext)
|
|
|
|
if page >= 0 && pageSize > 0 {
|
|
start := 0
|
|
if page > 0 {
|
|
start = (page - 1) * pageSize
|
|
}
|
|
sess.Limit(pageSize, start)
|
|
}
|
|
lfsObjects := make([]*LFSMetaObject, 0, pageSize)
|
|
return lfsObjects, sess.Find(&lfsObjects, &LFSMetaObject{RepositoryID: repoID})
|
|
}
|
|
|
|
// CountLFSMetaObjects returns a count of all LFSMetaObjects associated with a repository
|
|
func CountLFSMetaObjects(repoID int64) (int64, error) {
|
|
return db.GetEngine(db.DefaultContext).Count(&LFSMetaObject{RepositoryID: repoID})
|
|
}
|
|
|
|
// LFSObjectAccessible checks if a provided Oid is accessible to the user
|
|
func LFSObjectAccessible(user *user_model.User, oid string) (bool, error) {
|
|
if user.IsAdmin {
|
|
count, err := db.GetEngine(db.DefaultContext).Count(&LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}})
|
|
return count > 0, err
|
|
}
|
|
cond := repo_model.AccessibleRepositoryCondition(user, unit.TypeInvalid)
|
|
count, err := db.GetEngine(db.DefaultContext).Where(cond).Join("INNER", "repository", "`lfs_meta_object`.repository_id = `repository`.id").Count(&LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}})
|
|
return count > 0, err
|
|
}
|
|
|
|
// LFSObjectIsAssociated checks if a provided Oid is associated
|
|
func LFSObjectIsAssociated(oid string) (bool, error) {
|
|
return db.GetEngine(db.DefaultContext).Exist(&LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}})
|
|
}
|
|
|
|
// LFSAutoAssociate auto associates accessible LFSMetaObjects
|
|
func LFSAutoAssociate(metas []*LFSMetaObject, user *user_model.User, repoID int64) error {
|
|
ctx, committer, err := db.TxContext()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer committer.Close()
|
|
|
|
sess := db.GetEngine(ctx)
|
|
|
|
oids := make([]interface{}, len(metas))
|
|
oidMap := make(map[string]*LFSMetaObject, len(metas))
|
|
for i, meta := range metas {
|
|
oids[i] = meta.Oid
|
|
oidMap[meta.Oid] = meta
|
|
}
|
|
|
|
if !user.IsAdmin {
|
|
newMetas := make([]*LFSMetaObject, 0, len(metas))
|
|
cond := builder.In(
|
|
"`lfs_meta_object`.repository_id",
|
|
builder.Select("`repository`.id").From("repository").Where(repo_model.AccessibleRepositoryCondition(user, unit.TypeInvalid)),
|
|
)
|
|
err = sess.Cols("oid").Where(cond).In("oid", oids...).GroupBy("oid").Find(&newMetas)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(newMetas) != len(oidMap) {
|
|
return fmt.Errorf("unable collect all LFS objects from database, expected %d, actually %d", len(oidMap), len(newMetas))
|
|
}
|
|
for i := range newMetas {
|
|
newMetas[i].Size = oidMap[newMetas[i].Oid].Size
|
|
newMetas[i].RepositoryID = repoID
|
|
}
|
|
if err = db.Insert(ctx, newMetas); err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
// admin can associate any LFS object to any repository, and we do not care about errors (eg: duplicated unique key),
|
|
// even if error occurs, it won't hurt users and won't make things worse
|
|
for i := range metas {
|
|
p := lfs.Pointer{Oid: metas[i].Oid, Size: metas[i].Size}
|
|
_, err = sess.Insert(&LFSMetaObject{
|
|
Pointer: p,
|
|
RepositoryID: repoID,
|
|
})
|
|
if err != nil {
|
|
log.Warn("failed to insert LFS meta object %-v for repo_id: %d into database, err=%v", p, repoID, err)
|
|
}
|
|
}
|
|
}
|
|
return committer.Commit()
|
|
}
|
|
|
|
// CopyLFS copies LFS data from one repo to another
|
|
func CopyLFS(ctx context.Context, newRepo, oldRepo *repo_model.Repository) error {
|
|
var lfsObjects []*LFSMetaObject
|
|
if err := db.GetEngine(ctx).Where("repository_id=?", oldRepo.ID).Find(&lfsObjects); err != nil {
|
|
return err
|
|
}
|
|
|
|
for _, v := range lfsObjects {
|
|
v.ID = 0
|
|
v.RepositoryID = newRepo.ID
|
|
if err := db.Insert(ctx, v); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// GetRepoLFSSize return a repository's lfs files size
|
|
func GetRepoLFSSize(ctx context.Context, repoID int64) (int64, error) {
|
|
lfsSize, err := db.GetEngine(ctx).Where("repository_id = ?", repoID).SumInt(new(LFSMetaObject), "size")
|
|
if err != nil {
|
|
return 0, fmt.Errorf("updateSize: GetLFSMetaObjects: %v", err)
|
|
}
|
|
return lfsSize, nil
|
|
}
|