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request.go
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request.go
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// Copyright 2015 realglobe, 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package proxy
import (
"encoding/json"
"net/http"
"github.com/realglobe-Inc/edo-access-proxy/database/session"
"github.com/realglobe-Inc/edo-lib/jwt"
"github.com/realglobe-Inc/go-lib/erro"
)
type request struct {
toUri_ string
toTa_ string
acntTag string
acnts map[string]*session.Account
}
func parseRequest(r *http.Request) (*request, error) {
toUri := r.Header.Get(tagX_access_proxy_to)
if toUri == "" {
return nil, erro.New("no destination URI")
}
jt, err := jwt.Parse([]byte(r.Header.Get(tagX_access_proxy_users)))
if err != nil {
return nil, erro.Wrap(err)
}
var acnts map[string]*session.Account
if err := json.Unmarshal(jt.RawBody(), &acnts); err != nil {
return nil, erro.Wrap(err)
}
var mainTag string
for tag, acnt := range acnts {
if acnt.TokenTag() != "" {
if mainTag != "" {
return nil, erro.New("two main accounts")
}
mainTag = tag
}
}
if mainTag == "" {
return nil, erro.New("no main account")
}
r.Header.Del(tagX_access_proxy_to)
r.Header.Del(tagX_access_proxy_users)
return &request{
toUri_: toUri,
toTa_: r.Header.Get(tagX_access_proxy_to_id),
acntTag: mainTag,
acnts: acnts,
}, nil
}
// 転送先 URI を返す。
func (this *request) toUri() string {
return this.toUri_
}
// 転送先 TA の ID を返す。
func (this *request) toTa() string {
return this.toTa_
}
// 処理の主体のアカウントタグを返す。
func (this *request) accountTag() string {
return this.acntTag
}
// アカウントの情報を返す。
func (this *request) accounts() map[string]*session.Account {
return this.acnts
}