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service_mw_token.go
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/
service_mw_token.go
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// Copyright 2015-present, Cyrill @ Schumacher.fm and the CoreStore contributors
//
// 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 jwt
import (
"net/http"
"github.com/corestoreio/errors"
"github.com/corestoreio/log"
loghttp "github.com/corestoreio/log/http"
)
// WithToken parses and validates a token depending on the scope. A check to the
// blockList will be performed. The token gets added to the context for further
// processing for the next middlewares. This function depends on the runMode and
// its scope which must exists in the requests context. WithToken() does not
// change the scope of the previously initialized runMode and its scope.
func (s *Service) WithToken(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
scpCfg, err := s.configByContext(r.Context())
if err != nil {
s.Log.Info("jwt.Service.WithToken.configByContext.Error", log.Err(err))
if s.Log.IsDebug() {
s.Log.Debug("jwt.Service.WithToken.configByContext", log.Err(err), loghttp.Request("request", r))
}
s.ErrorHandler(errors.Wrap(err, "jwt.Service.WithToken.configFromContext")).ServeHTTP(w, r)
return
}
if scpCfg.Disabled {
if s.Log.IsDebug() {
s.Log.Debug("jwt.Service.WithToken.Disabled", log.Stringer("scope", scpCfg.ScopeID), log.Object("scpCfg", scpCfg), loghttp.Request("request", r))
}
next.ServeHTTP(w, r)
return
}
token, err := scpCfg.ParseFromRequest(s.Blocklist, r)
if err != nil {
s.Log.Info("jwt.Service.WithToken.ParseFromRequest.Error", log.Err(err))
if s.Log.IsDebug() {
s.Log.Debug("jwt.Service.WithToken.ParseFromRequest", log.Err(err), log.Marshal("token", token), log.Stringer("scope", scpCfg.ScopeID), log.Object("scpCfg", scpCfg), loghttp.Request("request", r))
}
// todo what should be done when the token has expired?
scpCfg.UnauthorizedHandler(errors.Wrap(err, "[jwt] WithToken.ParseFromRequest")).ServeHTTP(w, r)
return
}
// add token to the context
ctx := withContext(r.Context(), token)
// continue without changing the scope
next.ServeHTTP(w, r.WithContext(ctx))
})
}