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authorize_write.go
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/
authorize_write.go
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// Copyright © 2017 Aeneas Rekkas <aeneas+oss@aeneas.io>
//
// 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 fosite
import (
"net/http"
"regexp"
)
var (
// scopeMatch = regexp.MustCompile("scope=[^\\&]+.*$")
plusMatch = regexp.MustCompile("\\+")
)
func (c *Fosite) WriteAuthorizeResponse(rw http.ResponseWriter, ar AuthorizeRequester, resp AuthorizeResponder) {
redir := ar.GetRedirectURI()
// Explicit grants
q := redir.Query()
rq := resp.GetQuery()
for k := range rq {
q.Set(k, rq.Get(k))
}
redir.RawQuery = q.Encode()
// Set custom headers, e.g. "X-MySuperCoolCustomHeader" or "X-DONT-CACHE-ME"...
wh := rw.Header()
rh := resp.GetHeader()
for k := range rh {
wh.Set(k, rh.Get(k))
}
// Implicit grants
redir.Fragment = resp.GetFragment().Encode()
u := redir.String()
u = plusMatch.ReplaceAllString(u, "%20")
// https://tools.ietf.org/html/rfc6749#section-4.1.1
// When a decision is established, the authorization server directs the
// user-agent to the provided client redirection URI using an HTTP
// redirection response, or by other means available to it via the
// user-agent.
wh.Set("Location", u)
rw.WriteHeader(http.StatusFound)
}