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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"
"slices"
"github.com/gorilla/mux"
"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"
"github.com/pingcap/tiup/server/session"
)
// SignComponent handles requests to re-sign component manifest
func SignComponent(sm session.Manager, mirror repository.Mirror) http.Handler {
return &componentSigner{sm, mirror}
}
type componentSigner struct {
sm session.Manager
mirror repository.Mirror
}
func (h *componentSigner) ServeHTTP(w http.ResponseWriter, r *http.Request) {
fn.Wrap(h.sign).ServeHTTP(w, r)
}
func buildInfo(r *http.Request, sid string) *model.PublishInfo {
info := &model.PublishInfo{}
m := map[string]**bool{
repository.OptionYanked: &info.Yank,
repository.OptionStandalone: &info.Stand,
repository.OptionHidden: &info.Hide,
}
for k, v := range m {
f := false
if query(r, k) == "true" {
f = true
*v = &f
} else if query(r, k) == "false" {
*v = &f
}
}
return info
}
func (h *componentSigner) sign(r *http.Request, m *v1manifest.RawManifest) (sr *simpleResponse, err statusError) {
sid := mux.Vars(r)["sid"]
name := mux.Vars(r)["name"]
info := buildInfo(r, sid)
blackList := []string{"root", "index", "snapshot", "timestamp"}
if slices.Contains(blackList, name) {
return nil, ErrorForbiden
}
logprinter.Infof("Sign component manifest for %s, sid: %s", name, sid)
fileName, readCloser, rErr := h.sm.Read(sid)
if rErr != nil {
logprinter.Errorf("Read tar info for component %s, sid: %s", name, sid)
return nil, ErrorInternalError
}
info.ComponentData = &model.TarInfo{
Reader: readCloser,
Name: fileName,
}
comp := v1manifest.Component{}
if err := json.Unmarshal(m.Signed, &comp); err != nil {
logprinter.Errorf("Unmarshal manifest %s", err.Error())
return nil, ErrorInvalidManifest
}
manifest := &v1manifest.Manifest{
Signatures: m.Signatures,
Signed: &comp,
}
switch err := h.mirror.Publish(manifest, info); err {
case model.ErrorConflict:
return nil, ErrorManifestConflict
case model.ErrorWrongSignature:
return nil, ErrorForbiden
case model.ErrorWrongChecksum, model.ErrorWrongFileName:
logprinter.Errorf("Publish component: %s", err.Error())
return nil, ErrorInvalidTarball
case nil:
return nil, nil
default:
h.sm.Delete(sid)
logprinter.Errorf("Publish component: %s", err.Error())
return nil, ErrorInternalError
}
}
func query(r *http.Request, q string) string {
qs := r.URL.Query()[q]
if len(qs) == 0 {
return ""
}
return qs[0]
}
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