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// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package handler
import (
"encoding/json"
"net/http"
"github.com/pingcap/fn"
logprinter "github.com/pingcap/tiup/pkg/logger/printer"
"github.com/pingcap/tiup/pkg/repository"
"github.com/pingcap/tiup/pkg/repository/model"
"github.com/pingcap/tiup/pkg/repository/v1manifest"
)
// RotateRoot handles requests to re-sign root manifest
func RotateRoot(mirror repository.Mirror) http.Handler {
return &rootSigner{mirror}
}
type rootSigner struct {
mirror repository.Mirror
}
func (h *rootSigner) ServeHTTP(w http.ResponseWriter, r *http.Request) {
fn.Wrap(h.sign).ServeHTTP(w, r)
}
func (h *rootSigner) sign(m *v1manifest.RawManifest) (sr *simpleResponse, err statusError) {
root := v1manifest.Root{}
if err := json.Unmarshal(m.Signed, &root); err != nil {
logprinter.Errorf("Unmarshal manifest %s", err.Error())
return nil, ErrorInvalidManifest
}
manifest := &v1manifest.Manifest{
Signatures: m.Signatures,
Signed: &root,
}
switch err := h.mirror.Rotate(manifest); err {
case model.ErrorConflict:
return nil, ErrorManifestConflict
case nil:
return nil, nil
default:
logprinter.Errorf("Rotate root manifest: %s", err.Error())
return nil, ErrorInternalError
}
}
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