11770b4058
Implement a full OAuth2 2.0 and OpenID Connect 1.0 authorization server with support for authorization code flow (with PKCE), refresh token rotation, device authorization grant, dynamic client registration, token introspection, and token revocation. Includes database schema, coredata layer, service logic, HTTP handlers, OIDC discovery endpoint, and JWKS publishing. Signed-off-by: Bryan Frimin <bryan@getprobo.com>
125 lines
4.9 KiB
Go
125 lines
4.9 KiB
Go
// Copyright (c) 2025-2026 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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//go:generate go run github.com/99designs/gqlgen generate
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// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package connect_v1
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import (
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"context"
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"net/http"
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"github.com/go-chi/chi/v5"
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"go.gearno.de/kit/log"
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"go.probo.inc/probo/pkg/baseurl"
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"go.probo.inc/probo/pkg/gid"
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"go.probo.inc/probo/pkg/iam"
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"go.probo.inc/probo/pkg/saferedirect"
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"go.probo.inc/probo/pkg/securecookie"
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"go.probo.inc/probo/pkg/server/api/authn"
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"go.probo.inc/probo/pkg/server/api/authz"
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"go.probo.inc/probo/pkg/server/api/connect/v1/types"
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)
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type (
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Resolver struct {
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authorize authz.AuthorizeFunc
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logger *log.Logger
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iam *iam.Service
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baseURL *baseurl.BaseURL
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sessionCookie *authn.Cookie
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}
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)
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func NewMux(
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logger *log.Logger,
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svc *iam.Service,
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cookieConfig securecookie.Config,
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tokenSecret string,
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baseURL *baseurl.BaseURL,
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allowedRedirectHost saferedirect.AllowedHostFunc,
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isTrustCenterDomain IsTrustCenterDomainFunc,
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) *chi.Mux {
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r := chi.NewMux()
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sessionMiddleware := authn.NewSessionMiddleware(svc, cookieConfig)
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apiKeyMiddleware := authn.NewAPIKeyMiddleware(svc, tokenSecret)
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oauth2Middleware := authn.NewOAuth2AccessTokenMiddleware(svc)
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graphqlHandler := NewGraphQLHandler(svc, logger, baseURL, cookieConfig)
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samlHandler := NewSAMLHandler(svc, cookieConfig, baseURL, logger)
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scimHandler := NewSCIMHandler(svc, logger.Named("scim"))
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router := r.With(sessionMiddleware, apiKeyMiddleware, oauth2Middleware)
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oidcHandler := NewOIDCHandler(svc, cookieConfig, logger, allowedRedirectHost, isTrustCenterDomain)
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router.Handle("/graphql", graphqlHandler)
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router.Get("/saml/2.0/metadata", samlHandler.MetadataHandler)
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router.Post("/saml/2.0/consume", samlHandler.ConsumeHandler)
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router.Get("/saml/2.0/{samlConfigID}", samlHandler.LoginHandler)
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router.Get("/oidc/{provider}/login", oidcHandler.LoginHandler)
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router.Get("/oidc/{provider}/callback", oidcHandler.CallbackHandler)
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// SCIM 2.0 endpoints - these use their own bearer token authentication
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scimServer := NewSCIMServer(scimHandler)
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r.Mount("/scim/2.0", http.StripPrefix("/scim/2.0", scimHandler.BearerTokenMiddleware(scimServer)))
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// OAuth2 / OpenID Connect server endpoints.
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oauth2Handler := NewOAuth2Handler(svc, cookieConfig, baseURL, logger)
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// Public endpoints (no authentication).
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r.Get("/oauth2/jwks", oauth2Handler.JWKSHandler)
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r.Post("/oauth2/token", oauth2Handler.TokenHandler)
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r.Post("/oauth2/device", oauth2Handler.DeviceAuthHandler)
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// Bearer-token authenticated endpoints.
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bearerAuth := r.With(oauth2Handler.BearerTokenMiddleware)
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bearerAuth.Get("/oauth2/userinfo", oauth2Handler.UserInfoHandler)
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// Client-authenticated endpoints.
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clientAuth := r.With(oauth2Handler.ClientAuthMiddleware)
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clientAuth.Post("/oauth2/introspect", oauth2Handler.IntrospectHandler)
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clientAuth.Post("/oauth2/revoke", oauth2Handler.RevokeHandler)
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// Session-authenticated endpoints.
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router.Get("/oauth2/authorize", oauth2Handler.AuthorizeHandler)
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requireIdentity := router.With(authn.NewIdentityPresenceMiddleware())
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requireIdentity.Post("/oauth2/register", oauth2Handler.RegisterHandler)
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return r
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}
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func (r *Resolver) Permission(ctx context.Context, obj types.Node, action string) (bool, error) {
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return r.authorize(ctx, obj.GetID(), action, authz.WithDryRun()) == nil, nil
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}
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func (r *Resolver) SSOLoginURL(samlConfigID gid.GID) string {
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return r.baseURL.WithPath("/api/connect/v1/saml/2.0/" + samlConfigID.String()).MustString()
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}
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