62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
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// Copyright 2017 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package oauth2 // import "miniflux.app/oauth2"
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import (
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"context"
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"github.com/coreos/go-oidc"
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"golang.org/x/oauth2"
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)
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type oidcProvider struct {
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clientID string
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clientSecret string
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redirectURL string
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provider *oidc.Provider
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}
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func (o oidcProvider) GetUserExtraKey() string {
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return "oidc_id" // FIXME? add extra options key to allow multiple OIDC providers each with their own extra key?
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}
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func (o oidcProvider) GetRedirectURL(state string) string {
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return o.config().AuthCodeURL(state)
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}
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func (o oidcProvider) GetProfile(ctx context.Context, code string) (*Profile, error) {
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conf := o.config()
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token, err := conf.Exchange(ctx, code)
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if err != nil {
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return nil, err
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}
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userInfo, err := o.provider.UserInfo(ctx, oauth2.StaticTokenSource(token))
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if err != nil {
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return nil, err
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}
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profile := &Profile{Key: o.GetUserExtraKey(), ID: userInfo.Subject, Username: userInfo.Email}
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return profile, nil
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}
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func (o oidcProvider) config() *oauth2.Config {
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return &oauth2.Config{
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RedirectURL: o.redirectURL,
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ClientID: o.clientID,
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ClientSecret: o.clientSecret,
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Scopes: []string{"openid", "email"},
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Endpoint: o.provider.Endpoint(),
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}
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}
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func newOidcProvider(ctx context.Context, clientID, clientSecret, redirectURL, discoveryEndpoint string) (*oidcProvider, error) {
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provider, err := oidc.NewProvider(ctx, discoveryEndpoint)
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if err != nil {
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return nil, err
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}
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return &oidcProvider{clientID: clientID, clientSecret: clientSecret, redirectURL: redirectURL, provider: provider}, nil
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}
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