mirror of
https://github.com/go-gitea/gitea
synced 2024-12-22 16:44:26 +00:00
120 lines
3.8 KiB
Go
120 lines
3.8 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package lfs
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"time"
|
|
|
|
"code.gitea.io/gitea/modules/util"
|
|
)
|
|
|
|
const (
|
|
// MediaType contains the media type for LFS server requests
|
|
MediaType = "application/vnd.git-lfs+json"
|
|
// AcceptHeader Some LFS servers offer content with other types, so fallback to '*/*' if application/vnd.git-lfs+json cannot be served
|
|
AcceptHeader = "application/vnd.git-lfs+json;q=0.9, */*;q=0.8"
|
|
// UserAgentHeader Add User-Agent for gitea's self-implemented lfs client,
|
|
// and the version is consistent with the latest version of git lfs can be avoided incompatibilities.
|
|
// Some lfs servers will check this
|
|
UserAgentHeader = "git-lfs/3.6.0 (Gitea)"
|
|
)
|
|
|
|
// BatchRequest contains multiple requests processed in one batch operation.
|
|
// https://github.com/git-lfs/git-lfs/blob/main/docs/api/batch.md#requests
|
|
type BatchRequest struct {
|
|
Operation string `json:"operation"`
|
|
Transfers []string `json:"transfers,omitempty"`
|
|
Ref *Reference `json:"ref,omitempty"`
|
|
Objects []Pointer `json:"objects"`
|
|
}
|
|
|
|
// Reference contains a git reference.
|
|
// https://github.com/git-lfs/git-lfs/blob/main/docs/api/batch.md#ref-property
|
|
type Reference struct {
|
|
Name string `json:"name"`
|
|
}
|
|
|
|
// Pointer contains LFS pointer data
|
|
type Pointer struct {
|
|
Oid string `json:"oid" xorm:"UNIQUE(s) INDEX NOT NULL"`
|
|
Size int64 `json:"size" xorm:"NOT NULL"`
|
|
}
|
|
|
|
// BatchResponse contains multiple object metadata Representation structures
|
|
// for use with the batch API.
|
|
// https://github.com/git-lfs/git-lfs/blob/main/docs/api/batch.md#successful-responses
|
|
type BatchResponse struct {
|
|
Transfer string `json:"transfer,omitempty"`
|
|
Objects []*ObjectResponse `json:"objects"`
|
|
}
|
|
|
|
// ObjectResponse is object metadata as seen by clients of the LFS server.
|
|
type ObjectResponse struct {
|
|
Pointer
|
|
Actions map[string]*Link `json:"actions,omitempty"`
|
|
Links map[string]*Link `json:"_links,omitempty"`
|
|
Error *ObjectError `json:"error,omitempty"`
|
|
}
|
|
|
|
// Link provides a structure with information about how to access a object.
|
|
type Link struct {
|
|
Href string `json:"href"`
|
|
Header map[string]string `json:"header,omitempty"`
|
|
ExpiresAt *time.Time `json:"expires_at,omitempty"`
|
|
}
|
|
|
|
// ObjectError defines the JSON structure returned to the client in case of an error.
|
|
type ObjectError struct {
|
|
Code int `json:"code"`
|
|
Message string `json:"message"`
|
|
}
|
|
|
|
var (
|
|
// See https://github.com/git-lfs/git-lfs/blob/main/docs/api/batch.md#successful-responses
|
|
// LFS object error codes should match HTTP status codes where possible:
|
|
// 404 - The object does not exist on the server.
|
|
// 409 - The specified hash algorithm disagrees with the server's acceptable options.
|
|
// 410 - The object was removed by the owner.
|
|
// 422 - Validation error.
|
|
|
|
ErrObjectNotExist = util.ErrNotExist // the object does not exist on the server
|
|
ErrObjectHashMismatch = errors.New("the specified hash algorithm disagrees with the server's acceptable options")
|
|
ErrObjectRemoved = errors.New("the object was removed by the owner")
|
|
ErrObjectValidation = errors.New("validation error")
|
|
)
|
|
|
|
func (e *ObjectError) Error() string {
|
|
return fmt.Sprintf("[%d] %s", e.Code, e.Message)
|
|
}
|
|
|
|
func (e *ObjectError) Unwrap() error {
|
|
switch e.Code {
|
|
case 404:
|
|
return ErrObjectNotExist
|
|
case 409:
|
|
return ErrObjectHashMismatch
|
|
case 410:
|
|
return ErrObjectRemoved
|
|
case 422:
|
|
return ErrObjectValidation
|
|
default:
|
|
return errors.New(e.Message)
|
|
}
|
|
}
|
|
|
|
// PointerBlob associates a Git blob with a Pointer.
|
|
type PointerBlob struct {
|
|
Hash string
|
|
Pointer
|
|
}
|
|
|
|
// ErrorResponse describes the error to the client.
|
|
type ErrorResponse struct {
|
|
Message string
|
|
DocumentationURL string `json:"documentation_url,omitempty"`
|
|
RequestID string `json:"request_id,omitempty"`
|
|
}
|