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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2019 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package daemon
import (
"errors"
"net/http"
"github.com/snapcore/snapd/overlord/auth"
"github.com/snapcore/snapd/overlord/snapstate"
"github.com/snapcore/snapd/overlord/state"
"github.com/snapcore/snapd/snap"
)
var snapFileCmd = &Command{
Path: "/v2/snaps/{name}/file",
GET: getSnapFile,
ReadAccess: openAccess{},
}
func getSnapFile(c *Command, r *http.Request, user *auth.UserState) Response {
vars := muxVars(r)
name := vars["name"]
st := c.d.overlord.State()
st.Lock()
defer st.Unlock()
var snapst snapstate.SnapState
var info *snap.Info
err := snapstate.Get(st, name, &snapst)
if err == nil {
info, err = snapst.CurrentInfo()
}
if err != nil {
if errors.Is(err, state.ErrNoState) {
return SnapNotFound(name, err)
}
return InternalError("cannot download file for snap %q: %v", name, err)
}
if !snapst.Active {
return BadRequest("cannot download file of inactive snap %q", name)
}
if snapst.TryMode {
return BadRequest("cannot download file for try-mode snap %q", name)
}
return fileResponse(info.MountFile())
}
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