mirror of
https://github.com/h44z/wg-portal
synced 2025-02-26 05:49:14 +00:00
8b820a5adf
Initial alpha codebase for version 2 of WireGuard Portal. This version is considered unstable and incomplete (for example, no public REST API)! Use with care! Fixes/Implements the following issues: - OAuth support #154, #1 - New Web UI with internationalisation support #98, #107, #89, #62 - Postgres Support #49 - Improved Email handling #47, #119 - DNS Search Domain support #46 - Bugfixes #94, #48 --------- Co-authored-by: Fabian Wechselberger <wechselbergerf@hotmail.com>
108 lines
3.4 KiB
Go
108 lines
3.4 KiB
Go
package auth
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import (
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"context"
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"errors"
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"fmt"
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"strconv"
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"github.com/coreos/go-oidc/v3/oidc"
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"github.com/h44z/wg-portal/internal"
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"github.com/h44z/wg-portal/internal/config"
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"github.com/h44z/wg-portal/internal/domain"
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"golang.org/x/oauth2"
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)
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type OidcAuthenticator struct {
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name string
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provider *oidc.Provider
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verifier *oidc.IDTokenVerifier
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cfg *oauth2.Config
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userInfoMapping config.OauthFields
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registrationEnabled bool
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}
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func newOidcAuthenticator(ctx context.Context, callbackUrl string, cfg *config.OpenIDConnectProvider) (*OidcAuthenticator, error) {
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var err error
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var provider = &OidcAuthenticator{}
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provider.name = cfg.ProviderName
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provider.provider, err = oidc.NewProvider(context.Background(), cfg.BaseUrl) // use new context here, see https://github.com/coreos/go-oidc/issues/339
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if err != nil {
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return nil, fmt.Errorf("failed to create new oidc provider: %w", err)
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}
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provider.verifier = provider.provider.Verifier(&oidc.Config{
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ClientID: cfg.ClientID,
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})
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scopes := []string{oidc.ScopeOpenID}
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scopes = append(scopes, cfg.ExtraScopes...)
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provider.cfg = &oauth2.Config{
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ClientID: cfg.ClientID,
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ClientSecret: cfg.ClientSecret,
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Endpoint: provider.provider.Endpoint(),
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RedirectURL: callbackUrl,
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Scopes: scopes,
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}
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provider.userInfoMapping = getOauthFieldMapping(cfg.FieldMap)
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provider.registrationEnabled = cfg.RegistrationEnabled
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return provider, nil
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}
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func (o OidcAuthenticator) GetName() string {
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return o.name
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}
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func (o OidcAuthenticator) RegistrationEnabled() bool {
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return o.registrationEnabled
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}
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func (o OidcAuthenticator) GetType() domain.AuthenticatorType {
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return domain.AuthenticatorTypeOidc
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}
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func (o OidcAuthenticator) AuthCodeURL(state string, opts ...oauth2.AuthCodeOption) string {
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return o.cfg.AuthCodeURL(state, opts...)
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}
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func (o OidcAuthenticator) Exchange(ctx context.Context, code string, opts ...oauth2.AuthCodeOption) (*oauth2.Token, error) {
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return o.cfg.Exchange(ctx, code, opts...)
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}
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func (o OidcAuthenticator) GetUserInfo(ctx context.Context, token *oauth2.Token, nonce string) (map[string]interface{}, error) {
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rawIDToken, ok := token.Extra("id_token").(string)
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if !ok {
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return nil, errors.New("token does not contain id_token")
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}
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idToken, err := o.verifier.Verify(ctx, rawIDToken)
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if err != nil {
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return nil, fmt.Errorf("failed to validate id_token: %w", err)
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}
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if idToken.Nonce != nonce {
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return nil, errors.New("nonce mismatch")
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}
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var tokenFields map[string]interface{}
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if err = idToken.Claims(&tokenFields); err != nil {
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return nil, fmt.Errorf("failed to parse extra claims: %w", err)
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}
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return tokenFields, nil
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}
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func (o OidcAuthenticator) ParseUserInfo(raw map[string]interface{}) (*domain.AuthenticatorUserInfo, error) {
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isAdmin, _ := strconv.ParseBool(internal.MapDefaultString(raw, o.userInfoMapping.IsAdmin, ""))
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userInfo := &domain.AuthenticatorUserInfo{
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Identifier: domain.UserIdentifier(internal.MapDefaultString(raw, o.userInfoMapping.UserIdentifier, "")),
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Email: internal.MapDefaultString(raw, o.userInfoMapping.Email, ""),
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Firstname: internal.MapDefaultString(raw, o.userInfoMapping.Firstname, ""),
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Lastname: internal.MapDefaultString(raw, o.userInfoMapping.Lastname, ""),
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Phone: internal.MapDefaultString(raw, o.userInfoMapping.Phone, ""),
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Department: internal.MapDefaultString(raw, o.userInfoMapping.Department, ""),
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IsAdmin: isAdmin,
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}
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return userInfo, nil
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}
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