94 lines
3.8 KiB
Go
94 lines
3.8 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-present Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package apiv2
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import (
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"context"
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"errors"
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"net/http"
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"code.vikunja.io/api/pkg/config"
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"code.vikunja.io/api/pkg/models"
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"code.vikunja.io/api/pkg/modules/auth"
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"code.vikunja.io/api/pkg/modules/auth/openid"
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"github.com/danielgtaylor/huma/v2"
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)
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func init() { AddRouteRegistrar(RegisterOpenIDRoutes) }
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// RegisterOpenIDRoutes wires the OpenID Connect callback endpoint. It is only
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// registered when OpenID is enabled; individual providers are still resolved per
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// request, so an unknown provider key 404s even when others are configured.
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func RegisterOpenIDRoutes(api huma.API) {
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if !config.AuthOpenIDEnabled.GetBool() {
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return
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}
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Register(api, huma.Operation{
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OperationID: "auth-openid-callback",
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Summary: "Authenticate with OpenID Connect",
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Description: "Exchanges the authorization code returned by an OpenID Connect provider for a Vikunja JWT, creating or updating the matching user. A long-lived refresh token is set as an HttpOnly cookie. When the resolved user has 2FA enabled, the call returns 412 and must be retried with totp_passcode set.",
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Method: http.MethodPost,
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Path: "/auth/openid/{provider}/callback",
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DefaultStatus: http.StatusOK,
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Tags: []string{"auth"},
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Security: publicSecurity,
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}, authOpenIDCallback)
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}
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func authOpenIDCallback(ctx context.Context, in *struct {
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Provider string `path:"provider" doc:"The OpenID Connect provider key as returned by the /info endpoint."`
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Body openid.Callback `doc:"The provider callback, carrying the authorization code."`
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}) (*authTokenBody, error) {
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u, oidcData, err := openid.AuthenticateCallback(ctx, &in.Body, in.Provider) //nolint:contextcheck // resolves providers from a cached, context-less map and runs OIDC discovery on its own background context, like the v1 callback.
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if err != nil {
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return nil, translateOpenIDError(err)
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}
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deviceInfo, ipAddress := requestClientInfo(ctx)
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// OIDC logins are not "remember me" sessions; v1 always issues a short one.
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token, err := auth.IssueUserToken(ctx, u, deviceInfo, ipAddress, false, oidcData)
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if err != nil {
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return nil, translateDomainError(err)
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}
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if ec := echoContextFromCtx(ctx); ec != nil {
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auth.WriteUserAuthCookies(ec, token)
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}
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out := &authTokenBody{CacheControl: "no-store"}
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out.Body.Token = token.AccessToken
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return out, nil
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}
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// translateOpenIDError maps OIDC callback errors to RFC 9457 responses.
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// ErrOpenIDBadRequestWithDetails carries no HTTP semantics of its own (v1 renders
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// it with a bespoke {message, details} body), so v2 maps it to a 400 with the
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// provider detail attached as a structured error detail rather than porting the
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// bespoke shape. Everything else flows through translateDomainError.
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func translateOpenIDError(err error) error {
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var detailedErr *models.ErrOpenIDBadRequestWithDetails
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if errors.As(err, &detailedErr) {
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return huma.Error400BadRequest(detailedErr.Message, &huma.ErrorDetail{
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Message: "The identity provider rejected the request.",
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Value: detailedErr.Details,
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})
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}
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return translateDomainError(err)
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}
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