1 files changed, 68 insertions, 0 deletions
diff --git a/internal/route/repo/download.go b/internal/route/repo/download.go
new file mode 100644
index 00000000..88b75082
--- /dev/null
+++ b/internal/route/repo/download.go
@@ -0,0 +1,68 @@
+// 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 (
+	"fmt"
+	"io"
+	"net/http"
+	"path"
+
+	"github.com/gogs/git-module"
+
+	"gogs.io/gogs/internal/context"
+	"gogs.io/gogs/internal/setting"
+	"gogs.io/gogs/internal/tool"
+)
+
+func ServeData(c *context.Context, name string, reader io.Reader) error {
+	buf := make([]byte, 1024)
+	n, _ := reader.Read(buf)
+	if n >= 0 {
+		buf = buf[:n]
+	}
+
+	commit, err := c.Repo.Commit.GetCommitByPath(c.Repo.TreePath)
+	if err != nil {
+		return fmt.Errorf("GetCommitByPath: %v", err)
+	}
+	c.Resp.Header().Set("Last-Modified", commit.Committer.When.Format(http.TimeFormat))
+
+	if !tool.IsTextFile(buf) {
+		if !tool.IsImageFile(buf) {
+			c.Resp.Header().Set("Content-Disposition", "attachment; filename=\""+name+"\"")
+			c.Resp.Header().Set("Content-Transfer-Encoding", "binary")
+		}
+	} else if !setting.Repository.EnableRawFileRenderMode || !c.QueryBool("render") {
+		c.Resp.Header().Set("Content-Type", "text/plain; charset=utf-8")
+	}
+	c.Resp.Write(buf)
+	_, err = io.Copy(c.Resp, reader)
+	return err
+}
+
+func ServeBlob(c *context.Context, blob *git.Blob) error {
+	dataRc, err := blob.Data()
+	if err != nil {
+		return err
+	}
+
+	return ServeData(c, path.Base(c.Repo.TreePath), dataRc)
+}
+
+func SingleDownload(c *context.Context) {
+	blob, err := c.Repo.Commit.GetBlobByPath(c.Repo.TreePath)
+	if err != nil {
+		if git.IsErrNotExist(err) {
+			c.Handle(404, "GetBlobByPath", nil)
+		} else {
+			c.Handle(500, "GetBlobByPath", err)
+		}
+		return
+	}
+	if err = ServeBlob(c, blob); err != nil {
+		c.Handle(500, "ServeBlob", err)
+	}
+}