some comments

pkg/oidc/authorization.go

@@ -8,10 +8,40 @@ import (
 )
 
 const (
+	//ScopeOpenID defines the scope `openid`
+	//OpenID Connect requests MUST contain the `openid` scope value
 	ScopeOpenID = "openid"
 
+	//ScopeProfile defines the scope `profile`
+	//This (optional) scope value requests access to the End-User's default profile Claims,
+	//which are: name, family_name, given_name, middle_name, nickname, preferred_username,
+	//profile, picture, website, gender, birthdate, zoneinfo, locale, and updated_at.
+	ScopeProfile = "profile"
+
+	//ScopeEmail defines the scope `email`
+	//This (optional) scope value requests access to the email and email_verified Claims.
+	ScopeEmail = "email"
+
+	//ScopeAddress defines the scope `address`
+	//This (optional) scope value requests access to the address Claim.
+	ScopeAddress = "address"
+
+	//ScopePhone defines the scope `phone`
+	//This (optional) scope value requests access to the phone_number and phone_number_verified Claims.
+	ScopePhone = "phone"
+
+	//ScopeOfflineAccess defines the scope `profile`
+	//This (optional) scope value requests that an OAuth 2.0 Refresh Token be issued that can be used to obtain an Access Token
+	//that grants access to the End-User's UserInfo Endpoint even when the End-User is not present (not logged in).
+	ScopeOfflineAccess = "offline_access"
+
+	//ResponseTypeCode for the Authorization Code Flow returning a code from the Authorization Server
 	ResponseTypeCode ResponseType = "code"
+
+	//ResponseTypeIDToken for the Implicit Flow returning id and access tokens directly from the Authorization Server
 	ResponseTypeIDToken ResponseType = "id_token token"
+
+	//ResponseTypeIDTokenOnly for the Implicit Flow returning only id token directly from the Authorization Server
 	ResponseTypeIDTokenOnly ResponseType = "id_token"
 
 	DisplayPage  Display = "page"
@@ -19,13 +49,23 @@ const (
 	DisplayTouch Display = "touch"
 	DisplayWAP   Display = "wap"
 
+	//PromptNone (`none`) disallows the Authorization Server to display any authentication or consent user interface pages.
+	//An error (login_required, interaction_required, ...) will be returned if the user is not already authenticated or consent is needed
 	PromptNone Prompt = "none"
+
+	//PromptLogin (`login`) directs the Authorization Server to prompt the End-User for reauthentication.
 	PromptLogin Prompt = "login"
+
+	//PromptConsent (`consent`) directs the Authorization Server to prompt the End-User for consent (of sharing information).
 	PromptConsent Prompt = "consent"
+
+	//PromptSelectAccount (``) directs the Authorization Server to prompt the End-User to select a user account (to enable multi user / session switching)
 	PromptSelectAccount Prompt = "select_account"
 
+	//GrantTypeCode defines the grant_type `authorization_code` used for the Token Request in the Authorization Code Flow
 	GrantTypeCode GrantType = "authorization_code"
 
+	//BearerToken defines the token_type `Bearer`, which is returned in a successful token response
 	BearerToken = "Bearer"
 )
 
@@ -38,7 +78,6 @@ var displayValues = map[string]Display{
 
 //AuthRequest according to:
 //https://openid.net/specs/openid-connect-core-1_0.html#AuthRequest
-//
 type AuthRequest struct {
 	ID           string
 	Scopes       Scopes       `schema:"scope"`
@@ -63,12 +102,17 @@ type AuthRequest struct {
 	CodeChallengeMethod CodeChallengeMethod `schema:"code_challenge_method"`
 }
 
+//GetRedirectURI returns the redirect_uri value for the ErrAuthRequest interface
 func (a *AuthRequest) GetRedirectURI() string {
 	return a.RedirectURI
 }
+
+//GetResponseType returns the response_type value for the ErrAuthRequest interface
 func (a *AuthRequest) GetResponseType() ResponseType {
 	return a.ResponseType
 }
+
+//GetState returns the optional state value for the ErrAuthRequest interface
 func (a *AuthRequest) GetState() string {
 	return a.State
 }