logout: add support of logout flow

internal/hydra/logout.go

@@ -0,0 +1,34 @@
+/*
+Copyright (C) JSC iCore - All Rights Reserved
+
+Unauthorized copying of this file, via any medium is strictly prohibited
+Proprietary and confidential
+*/
+
+package hydra
+
+import (
+	"github.com/pkg/errors"
+)
+
+// LogoutReqDoer fetches information on the OAuth2 request and then accepts or rejects the requested logout process.
+type LogoutReqDoer struct {
+	hydraURL string
+}
+
+// NewLogoutReqDoer creates a LogoutRequest.
+func NewLogoutReqDoer(hydraURL string) *LogoutReqDoer {
+	return &LogoutReqDoer{hydraURL: hydraURL}
+}
+
+// InitiateRequest fetches information on the OAuth2 request.
+func (lrd *LogoutReqDoer) InitiateRequest(challenge string) (*ReqInfo, error) {
+	ri, err := initiateRequest(logout, lrd.hydraURL, challenge)
+	return ri, errors.Wrap(err, "failed to initiate logout request")
+}
+
+// AcceptLogoutRequest accepts the requested logout process, and returns redirect URI.
+func (lrd *LogoutReqDoer) AcceptLogoutRequest(challenge string) (string, error) {
+	redirectURI, err := acceptRequest(logout, lrd.hydraURL, challenge, nil)
+	return redirectURI, errors.Wrap(err, "failed to accept logout request")
+}