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authorize_error.go
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/
authorize_error.go
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/*
* Copyright © 2015-2018 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.
*
* @author Aeneas Rekkas <aeneas+oss@aeneas.io>
* @copyright 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
* @license Apache-2.0
*
*/
package fosite
import (
"encoding/json"
"fmt"
"net/http"
)
func (f *Fosite) WriteAuthorizeError(rw http.ResponseWriter, ar AuthorizeRequester, err error) {
rw.Header().Set("Cache-Control", "no-store")
rw.Header().Set("Pragma", "no-cache")
rfcerr := ErrorToRFC6749Error(err).WithLegacyFormat(f.UseLegacyErrorFormat).WithExposeDebug(f.SendDebugMessagesToClients)
if !ar.IsRedirectURIValid() {
rw.Header().Set("Content-Type", "application/json;charset=UTF-8")
js, err := json.Marshal(rfcerr)
if err != nil {
if f.SendDebugMessagesToClients {
errorMessage := EscapeJSONString(err.Error())
http.Error(rw, fmt.Sprintf(`{"error":"server_error","error_description":"%s"}`, errorMessage), http.StatusInternalServerError)
} else {
http.Error(rw, `{"error":"server_error"}`, http.StatusInternalServerError)
}
return
}
rw.WriteHeader(rfcerr.CodeField)
_, _ = rw.Write(js)
return
}
redirectURI := ar.GetRedirectURI()
// The endpoint URI MUST NOT include a fragment component.
redirectURI.Fragment = ""
errors := rfcerr.ToValues()
errors.Set("state", ar.GetState())
var redirectURIString string
if ar.GetResponseMode() == ResponseModeFormPost {
rw.Header().Set("Content-Type", "text/html;charset=UTF-8")
WriteAuthorizeFormPostResponse(redirectURI.String(), errors, GetPostFormHTMLTemplate(*f), rw)
return
} else if ar.GetResponseMode() == ResponseModeFragment {
redirectURIString = redirectURI.String() + "#" + errors.Encode()
} else {
for key, values := range redirectURI.Query() {
for _, value := range values {
errors.Add(key, value)
}
}
redirectURI.RawQuery = errors.Encode()
redirectURIString = redirectURI.String()
}
rw.Header().Set("Location", redirectURIString)
rw.WriteHeader(http.StatusFound)
}