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Copy pathoidc.go
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61 lines (50 loc) · 1.66 KB
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// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package oauth2 // import "miniflux.app/oauth2"
import (
"context"
"github.com/coreos/go-oidc"
"golang.org/x/oauth2"
)
type oidcProvider struct {
clientID string
clientSecret string
redirectURL string
provider *oidc.Provider
}
func (o oidcProvider) GetUserExtraKey() string {
return "oidc_id" // FIXME? add extra options key to allow multiple OIDC providers each with their own extra key?
}
func (o oidcProvider) GetRedirectURL(state string) string {
return o.config().AuthCodeURL(state)
}
func (o oidcProvider) GetProfile(ctx context.Context, code string) (*Profile, error) {
conf := o.config()
token, err := conf.Exchange(ctx, code)
if err != nil {
return nil, err
}
userInfo, err := o.provider.UserInfo(ctx, oauth2.StaticTokenSource(token))
if err != nil {
return nil, err
}
profile := &Profile{Key: o.GetUserExtraKey(), ID: userInfo.Subject, Username: userInfo.Email}
return profile, nil
}
func (o oidcProvider) config() *oauth2.Config {
return &oauth2.Config{
RedirectURL: o.redirectURL,
ClientID: o.clientID,
ClientSecret: o.clientSecret,
Scopes: []string{"openid", "email"},
Endpoint: o.provider.Endpoint(),
}
}
func newOidcProvider(ctx context.Context, clientID, clientSecret, redirectURL, discoveryEndpoint string) (*oidcProvider, error) {
provider, err := oidc.NewProvider(ctx, discoveryEndpoint)
if err != nil {
return nil, err
}
return &oidcProvider{clientID: clientID, clientSecret: clientSecret, redirectURL: redirectURL, provider: provider}, nil
}