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basic.go
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basic.go
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// Copyright 2018-2020 CERN
//
// 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.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package basic
import (
"fmt"
"net/http"
"github.com/cs3org/reva/internal/http/interceptors/auth/credential/registry"
"github.com/cs3org/reva/pkg/auth"
)
func init() {
registry.Register("basic", New)
}
type strategy struct{}
// New returns a new auth strategy that checks for basic auth.
// See https://tools.ietf.org/html/rfc7617
func New(m map[string]interface{}) (auth.CredentialStrategy, error) {
return &strategy{}, nil
}
func (s *strategy) GetCredentials(w http.ResponseWriter, r *http.Request) (*auth.Credentials, error) {
id, secret, ok := r.BasicAuth()
if !ok {
return nil, fmt.Errorf("no basic auth provided")
}
return &auth.Credentials{Type: "basic", ClientID: id, ClientSecret: secret}, nil
}
func (s *strategy) AddWWWAuthenticate(w http.ResponseWriter, r *http.Request, realm string) {
// TODO read realm from forwarded header?
if realm == "" {
// fall back to hostname if not configured
realm = r.Host
}
w.Header().Add("WWW-Authenticate", fmt.Sprintf(`Basic realm="%s"`, realm))
}