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Accept reva token as a bearer authentication (cs3org#3315)
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| Enhancement: Accept reva token as a bearer authentication | ||
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| https://github.com/cs3org/reva/pull/3315 |
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84
internal/http/interceptors/auth/token/strategy/bearer/bearer.go
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| // Copyright 2018-2023 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. | ||
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| package header | ||
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| import ( | ||
| "mime" | ||
| "net/http" | ||
| "strings" | ||
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| "github.com/cs3org/reva/v2/internal/http/interceptors/auth/token/registry" | ||
| "github.com/cs3org/reva/v2/pkg/auth" | ||
| ) | ||
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| func init() { | ||
| registry.Register("bearer", New) | ||
| } | ||
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| type b struct{} | ||
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| // New returns a new auth strategy that checks for bearer auth. | ||
| func New(m map[string]interface{}) (auth.TokenStrategy, error) { | ||
| return b{}, nil | ||
| } | ||
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| func (b) GetToken(r *http.Request) string { | ||
| // Authorization Request Header Field: https://www.rfc-editor.org/rfc/rfc6750#section-2.1 | ||
| if tkn, ok := getFromAuthorizationHeader(r); ok { | ||
| return tkn | ||
| } | ||
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| // Form-Encoded Body Parameter: https://www.rfc-editor.org/rfc/rfc6750#section-2.2 | ||
| if tkn, ok := getFromBody(r); ok { | ||
| return tkn | ||
| } | ||
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| // URI Query Parameter: https://www.rfc-editor.org/rfc/rfc6750#section-2.3 | ||
| if tkn, ok := getFromQueryParam(r); ok { | ||
| return tkn | ||
| } | ||
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| return "" | ||
| } | ||
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| func getFromAuthorizationHeader(r *http.Request) (string, bool) { | ||
| auth := r.Header.Get("Authorization") | ||
| tkn := strings.TrimPrefix(auth, "Bearer ") | ||
| return tkn, tkn != "" | ||
| } | ||
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| func getFromBody(r *http.Request) (string, bool) { | ||
| mediatype, _, err := mime.ParseMediaType(r.Header.Get("content-type")) | ||
| if err != nil { | ||
| return "", false | ||
| } | ||
| if mediatype != "application/x-www-form-urlencoded" { | ||
| return "", false | ||
| } | ||
| if err = r.ParseForm(); err != nil { | ||
| return "", false | ||
| } | ||
| tkn := r.Form.Get("access-token") | ||
| return tkn, tkn != "" | ||
| } | ||
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| func getFromQueryParam(r *http.Request) (string, bool) { | ||
| tkn := r.URL.Query().Get("access_token") | ||
| return tkn, tkn != "" | ||
| } |