forgejo/routers/repo/download.go
2015-08-12 04:49:51 +08:00

63 lines
1.5 KiB
Go

// Copyright 2014 The Gogs 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 repo
import (
"io"
"path"
"github.com/gogits/gogs/modules/base"
"github.com/gogits/gogs/modules/git"
"github.com/gogits/gogs/modules/middleware"
)
func ServeData(ctx *middleware.Context, name string, reader io.Reader) error {
buf := make([]byte, 1024)
n, _ := reader.Read(buf)
if n > 0 {
buf = buf[:n]
}
_, isTextFile := base.IsTextFile(buf)
if isTextFile {
charset, _ := base.DetectEncoding(buf)
if charset != "UTF-8" {
ctx.Resp.Header().Set("Content-Type", "text/plain; charset="+charset)
}
} else {
_, isImageFile := base.IsImageFile(buf)
if !isImageFile {
ctx.Resp.Header().Set("Content-Disposition", "attachment; filename="+path.Base(ctx.Repo.TreeName))
ctx.Resp.Header().Set("Content-Transfer-Encoding", "binary")
}
}
ctx.Resp.Write(buf)
_, err := io.Copy(ctx.Resp, reader)
return err
}
func ServeBlob(ctx *middleware.Context, blob *git.Blob) error {
dataRc, err := blob.Data()
if err != nil {
return err
}
return ServeData(ctx, ctx.Repo.TreeName, dataRc)
}
func SingleDownload(ctx *middleware.Context) {
blob, err := ctx.Repo.Commit.GetBlobByPath(ctx.Repo.TreeName)
if err != nil {
if err == git.ErrNotExist {
ctx.Handle(404, "GetBlobByPath", nil)
} else {
ctx.Handle(500, "GetBlobByPath", err)
}
return
}
if err = ServeBlob(ctx, blob); err != nil {
ctx.Handle(500, "ServeBlob", err)
}
}