logout: add support of logout flow

internal/hydra/consent.go

@@ -0,0 +1,51 @@
+/*
+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"
+)
+
+// ConsentReqDoer fetches information on the OAuth2 request and then accept or reject the requested authentication process.
+type ConsentReqDoer struct {
+	hydraURL    string
+	rememberFor int
+}
+
+// NewConsentReqDoer creates a ConsentRequest.
+func NewConsentReqDoer(hydraURL string, rememberFor int) *ConsentReqDoer {
+	return &ConsentReqDoer{hydraURL: hydraURL, rememberFor: rememberFor}
+}
+
+// InitiateRequest fetches information on the OAuth2 request.
+func (crd *ConsentReqDoer) InitiateRequest(challenge string) (*ReqInfo, error) {
+	ri, err := initiateRequest(consent, crd.hydraURL, challenge)
+	return ri, errors.Wrap(err, "failed to initiate consent request")
+}
+
+// AcceptConsentRequest accepts the requested authentication process, and returns redirect URI.
+func (crd *ConsentReqDoer) AcceptConsentRequest(challenge string, remember bool, grantScope []string, idToken interface{}) (string, error) {
+	type session struct {
+		IDToken interface{} `json:"id_token,omitempty"`
+	}
+	data := struct {
+		GrantScope  []string `json:"grant_scope"`
+		Remember    bool     `json:"remember"`
+		RememberFor int      `json:"remember_for"`
+		Session     session  `json:"session,omitempty"`
+	}{
+		GrantScope:  grantScope,
+		Remember:    remember,
+		RememberFor: crd.rememberFor,
+		Session: session{
+			IDToken: idToken,
+		},
+	}
+	redirectURI, err := acceptRequest(consent, crd.hydraURL, challenge, data)
+	return redirectURI, errors.Wrap(err, "failed to accept consent request")
+}