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// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package backend
import (
"context"
"fmt"
"io"
"net/http"
"code.gitea.io/gitea/modules/httplib"
"code.gitea.io/gitea/modules/private"
"github.com/charmbracelet/git-lfs-transfer/transfer"
)
// HTTP headers
const (
headerAccept = "Accept"
headerAuthorization = "Authorization"
headerGiteaInternalAuth = "X-Gitea-Internal-Auth"
headerContentType = "Content-Type"
headerContentLength = "Content-Length"
)
// MIME types
const (
mimeGitLFS = "application/vnd.git-lfs+json"
mimeOctetStream = "application/octet-stream"
)
// SSH protocol action keys
const (
actionDownload = "download"
actionUpload = "upload"
actionVerify = "verify"
)
// SSH protocol argument keys
const (
argCursor = "cursor"
argExpiresAt = "expires-at"
argID = "id"
argLimit = "limit"
argPath = "path"
argRefname = "refname"
argToken = "token"
argTransfer = "transfer"
)
// Default username constants
const (
userSelf = "(self)"
userUnknown = "(unknown)"
)
// Operations enum
const (
opNone = iota
opDownload
opUpload
)
var opMap = map[string]int{
"download": opDownload,
"upload": opUpload,
}
var ErrMissingID = fmt.Errorf("%w: missing id arg", transfer.ErrMissingData)
func statusCodeToErr(code int) error {
switch code {
case http.StatusBadRequest:
return transfer.ErrParseError
case http.StatusConflict:
return transfer.ErrConflict
case http.StatusForbidden:
return transfer.ErrForbidden
case http.StatusNotFound:
return transfer.ErrNotFound
case http.StatusUnauthorized:
return transfer.ErrUnauthorized
default:
return fmt.Errorf("server returned status %v: %v", code, http.StatusText(code))
}
}
func newInternalRequestLFS(ctx context.Context, url, method string, headers map[string]string, body any) *httplib.Request {
req := private.NewInternalRequest(ctx, url, method)
for k, v := range headers {
req.Header(k, v)
}
switch body := body.(type) {
case nil: // do nothing
case []byte:
req.Body(body) // []byte
case io.Reader:
req.Body(body) // io.Reader or io.ReadCloser
default:
panic(fmt.Sprintf("unsupported request body type %T", body))
}
return req
}
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