Module: BetterAuth::Plugins

Defined in:
lib/better_auth/plugins/oauth_provider.rb

Defined Under Namespace

Modules: OAuthProvider

Class Method Summary collapse

Class Method Details

.oauth_admin_create_client_endpoint(config) ⇒ Object



291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
# File 'lib/better_auth/plugins/oauth_provider.rb', line 291

def oauth_admin_create_client_endpoint(config)
  Endpoint.new(path: "/admin/oauth2/create-client", method: "POST", metadata: {server_only: true}) do |ctx|
    body = OAuthProtocol.stringify_keys(ctx.body)
    client = OAuthProtocol.create_client(
      ctx,
      model: "oauthClient",
      body: body,
      owner_session: nil,
      default_scopes: config[:client_registration_default_scopes] || config[:scopes],
      allowed_scopes: config[:client_registration_allowed_scopes] || config[:scopes],
      store_client_secret: config[:store_client_secret],
      prefix: config[:prefix],
      dynamic_registration: false,
      admin: true
    )
    ctx.json(client, status: 201, headers: {"Cache-Control" => "no-store", "Pragma" => "no-cache"})
  end
end

.oauth_admin_update_client_endpoint(_config) ⇒ Object



310
311
312
313
314
315
316
317
318
319
320
# File 'lib/better_auth/plugins/oauth_provider.rb', line 310

def oauth_admin_update_client_endpoint(_config)
  Endpoint.new(path: "/admin/oauth2/update-client", method: "PATCH", metadata: {server_only: true}) do |ctx|
    body = OAuthProtocol.stringify_keys(ctx.body)
    client = OAuthProtocol.find_client(ctx, "oauthClient", body["client_id"])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client

    update = oauth_client_update_data(OAuthProtocol.stringify_keys(body["update"] || {}), admin: true)
    updated = update.empty? ? client : ctx.context.adapter.update(model: "oauthClient", where: [{field: "clientId", value: body["client_id"]}], update: update.merge(updatedAt: Time.now))
    ctx.json(OAuthProtocol.client_response(updated, include_secret: false))
  end
end

.oauth_assert_client_privilege!(ctx, config, session, action) ⇒ Object

Raises:

  • (APIError)


849
850
851
852
853
854
855
856
857
858
859
860
# File 'lib/better_auth/plugins/oauth_provider.rb', line 849

def oauth_assert_client_privilege!(ctx, config, session, action)
  callback = config[:client_privileges]
  return unless callback.respond_to?(:call)

  allowed = callback.call({
    headers: ctx.headers,
    action: action,
    session: session[:session],
    user: session[:user]
  })
  raise APIError.new("UNAUTHORIZED") unless allowed
end

.oauth_assert_owned_client!(client, session, config = nil) ⇒ Object

Raises:

  • (APIError)


837
838
839
840
841
842
843
844
845
846
847
# File 'lib/better_auth/plugins/oauth_provider.rb', line 837

def oauth_assert_owned_client!(client, session, config = nil)
  data = OAuthProtocol.stringify_keys(client)
  return if data["userId"] && data["userId"] == session[:user]["id"]

  if data["referenceId"] && config && config[:client_reference].respond_to?(:call)
    reference_id = config[:client_reference].call({user: session[:user], session: session[:session]})
    return if data["referenceId"] == reference_id
  end

  raise APIError.new("NOT_FOUND", message: "client not found")
end

.oauth_authorization_redirect(ctx, config, query, session, client, scopes) ⇒ Object



677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
# File 'lib/better_auth/plugins/oauth_provider.rb', line 677

def oauth_authorization_redirect(ctx, config, query, session, client, scopes)
  code = Crypto.random_string(32)
  OAuthProtocol.store_code(
    config[:store],
    code: code,
    client_id: query["client_id"],
    redirect_uri: query["redirect_uri"],
    session: session,
    scopes: scopes,
    code_challenge: query["code_challenge"],
    code_challenge_method: query["code_challenge_method"],
    nonce: query["nonce"],
    reference_id: OAuthProtocol.stringify_keys(client)["referenceId"]
  )
  OAuthProtocol.redirect_uri_with_params(query["redirect_uri"], code: code, state: query["state"], iss: OAuthProvider.validate_issuer_url(OAuthProtocol.issuer(ctx)))
end

.oauth_authorize_endpoint(config) ⇒ Object



419
420
421
422
423
# File 'lib/better_auth/plugins/oauth_provider.rb', line 419

def oauth_authorize_endpoint(config)
  Endpoint.new(path: "/oauth2/authorize", method: "GET") do |ctx|
    oauth_authorize_flow(ctx, config, OAuthProtocol.stringify_keys(ctx.query))
  end
end

.oauth_authorize_error_redirect(ctx, query, error, description) ⇒ Object



806
807
808
809
810
811
812
813
814
# File 'lib/better_auth/plugins/oauth_provider.rb', line 806

def oauth_authorize_error_redirect(ctx, query, error, description)
  OAuthProtocol.redirect_uri_with_params(
    query["redirect_uri"],
    error: error,
    error_description: description,
    state: query["state"],
    iss: OAuthProvider.validate_issuer_url(OAuthProtocol.issuer(ctx))
  )
end

.oauth_authorize_flow(ctx, config, query, continue_post_login: false) ⇒ Object

Raises:

  • (APIError)


445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
# File 'lib/better_auth/plugins/oauth_provider.rb', line 445

def oauth_authorize_flow(ctx, config, query, continue_post_login: false)
  response_type = query["response_type"].to_s

  client = OAuthProtocol.find_client(ctx, "oauthClient", query["client_id"])
  raise APIError.new("BAD_REQUEST", message: "invalid_client") unless client
  OAuthProtocol.validate_redirect_uri!(client, query["redirect_uri"])
  if response_type != "code"
    raise ctx.redirect(oauth_authorize_error_redirect(ctx, query, "unsupported_response_type", "response_type must be code"))
  end

  scopes = OAuthProtocol.parse_scopes(query["scope"])
  scopes = OAuthProtocol.parse_scopes(OAuthProtocol.stringify_keys(client)["scopes"] || config[:scopes]) if scopes.empty?
  prompts = OAuthProtocol.parse_scopes(query["prompt"])
  client_data = OAuthProtocol.stringify_keys(client)
  if client_data["disabled"]
    raise ctx.redirect(oauth_authorize_error_redirect(ctx, query, "invalid_client", "client is disabled"))
  end
  allowed_scopes = OAuthProtocol.parse_scopes(client_data["scopes"])
  allowed_scopes = OAuthProtocol.parse_scopes(config[:scopes]) if allowed_scopes.empty?
  unless scopes.all? { |scope| allowed_scopes.include?(scope) }
    raise ctx.redirect(oauth_authorize_error_redirect(ctx, query, "invalid_scope", "invalid scope"))
  end
  pkce_error = OAuthProtocol.validate_authorize_pkce(client_data, scopes, query["code_challenge"], query["code_challenge_method"])
  raise ctx.redirect(oauth_authorize_error_redirect(ctx, query, "invalid_request", pkce_error)) if pkce_error

  session = Routes.current_session(ctx, allow_nil: true)
  unless session
    if prompts.include?("none")
      raise ctx.redirect(OAuthProtocol.redirect_uri_with_params(query["redirect_uri"], error: "login_required", state: query["state"], iss: OAuthProvider.validate_issuer_url(OAuthProtocol.issuer(ctx))))
    end

    if prompts.include?("create")
      raise ctx.redirect(oauth_prompt_redirect(ctx, config, query, "create"))
    end

    raise ctx.redirect(oauth_prompt_redirect(ctx, config, query, "login"))
  end

  if prompts.include?("select_account") && !
    if prompts.include?("none")
      raise ctx.redirect(OAuthProtocol.redirect_uri_with_params(query["redirect_uri"], error: "account_selection_required", state: query["state"], iss: OAuthProvider.validate_issuer_url(OAuthProtocol.issuer(ctx))))
    end

    raise ctx.redirect(oauth_prompt_redirect(ctx, config, query, "select_account"))
  end

  if config.dig(:post_login, :should_redirect).respond_to?(:call) && !
    should_redirect = config.dig(:post_login, :should_redirect).call({user: session[:user], session: session[:session], client: client_data, scopes: scopes})
    if should_redirect
      if prompts.include?("none")
        raise ctx.redirect(OAuthProtocol.redirect_uri_with_params(query["redirect_uri"], error: "interaction_required", state: query["state"], iss: OAuthProvider.validate_issuer_url(OAuthProtocol.issuer(ctx))))
      end

      raise ctx.redirect(oauth_prompt_redirect(ctx, config, query, "post_login", page: should_redirect.is_a?(String) ? should_redirect : nil))
    end
  end

  requires_consent = !client_data["skipConsent"] && (prompts.include?("consent") || !oauth_consent_granted?(ctx, client_data["clientId"], session[:user]["id"], scopes))

  if requires_consent
    if prompts.include?("none")
      raise ctx.redirect(OAuthProtocol.redirect_uri_with_params(query["redirect_uri"], error: "consent_required", state: query["state"], iss: OAuthProvider.validate_issuer_url(OAuthProtocol.issuer(ctx))))
    end

    consent_code = Crypto.random_string(32)
    config[:store][:consents][consent_code] = {
      query: query,
      session: session,
      client: client,
      scopes: scopes,
      expires_at: Time.now + 600
    }
    raise ctx.redirect(OAuthProtocol.redirect_uri_with_params(config[:consent_page], consent_code: consent_code, client_id: client_data["clientId"], scope: OAuthProtocol.scope_string(scopes)))
  end

  oauth_redirect_with_code(ctx, config, query, session, client, scopes)
end

.oauth_client_update_data(source, admin: false) ⇒ Object



862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
# File 'lib/better_auth/plugins/oauth_provider.rb', line 862

def oauth_client_update_data(source, admin: false)
  update = {}
  update["name"] = source["client_name"] || source["name"] if source.key?("client_name") || source.key?("name")
  update["uri"] = source["client_uri"] if source.key?("client_uri")
  update["icon"] = source["logo_uri"] if source.key?("logo_uri")
  if source.key?("redirect_uris")
    redirects = Array(source["redirect_uris"]).map(&:to_s)
    update["redirectUris"] = redirects
    update["redirectUrls"] = redirects.join(",")
  end
  update["postLogoutRedirectUris"] = Array(source["post_logout_redirect_uris"]).map(&:to_s) if source.key?("post_logout_redirect_uris")
  update["grantTypes"] = Array(source["grant_types"]).map(&:to_s) if source.key?("grant_types")
  update["responseTypes"] = Array(source["response_types"]).map(&:to_s) if source.key?("response_types")
  update["scopes"] = OAuthProtocol.parse_scopes(source["scope"] || source["scopes"]) if source.key?("scope") || source.key?("scopes")
  update["enableEndSession"] = !!(source["enable_end_session"] || source["enableEndSession"]) if source.key?("enable_end_session") || source.key?("enableEndSession")
  update["skipConsent"] = !!(source["skip_consent"] || source["skipConsent"]) if admin && (source.key?("skip_consent") || source.key?("skipConsent"))
  update["clientSecretExpiresAt"] = source["client_secret_expires_at"] if admin && source.key?("client_secret_expires_at")
  update["subjectType"] = source["subject_type"] || source["subjectType"] if admin && (source.key?("subject_type") || source.key?("subjectType"))
  update["metadata"] = source["metadata"] if source.key?("metadata")
  update
end


594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
# File 'lib/better_auth/plugins/oauth_provider.rb', line 594

def oauth_consent_endpoint(config)
  Endpoint.new(path: "/oauth2/consent", method: "POST") do |ctx|
    Routes.current_session(ctx)
    body = OAuthProtocol.stringify_keys(ctx.body)
    consent = config[:store][:consents].delete(body["consent_code"].to_s)
    raise APIError.new("BAD_REQUEST", message: "invalid consent_code") unless consent
    raise APIError.new("BAD_REQUEST", message: "expired consent_code") if consent[:expires_at] <= Time.now

    query = consent[:query]
    if body["accept"] == false || body["accept"].to_s == "false"
      redirect = OAuthProtocol.redirect_uri_with_params(query["redirect_uri"], error: "access_denied", state: query["state"], iss: OAuthProvider.validate_issuer_url(OAuthProtocol.issuer(ctx)))
      next ctx.json({redirectURI: redirect})
    end

    granted_scopes = OAuthProtocol.parse_scopes(body["scope"] || body["scopes"])
    granted_scopes = consent[:scopes] if granted_scopes.empty?
    unless granted_scopes.all? { |scope| consent[:scopes].include?(scope) }
      raise APIError.new("BAD_REQUEST", message: "invalid_scope")
    end

    oauth_store_consent(ctx, consent[:client], consent[:session], granted_scopes)
    redirect = oauth_authorization_redirect(ctx, config, query, consent[:session], consent[:client], granted_scopes)
    ctx.json({redirectURI: redirect})
  end
end

Returns:

  • (Boolean)


698
699
700
701
702
703
704
705
706
707
708
709
710
# File 'lib/better_auth/plugins/oauth_provider.rb', line 698

def oauth_consent_granted?(ctx, client_id, user_id, scopes)
  consent = ctx.context.adapter.find_one(
    model: "oauthConsent",
    where: [
      {field: "clientId", value: client_id},
      {field: "userId", value: user_id}
    ]
  )
  return false unless consent

  granted = OAuthProtocol.parse_scopes(consent["scopes"])
  scopes.all? { |scope| granted.include?(scope) }
end


894
895
896
897
898
899
900
901
902
903
# File 'lib/better_auth/plugins/oauth_provider.rb', line 894

def oauth_consent_response(consent)
  data = OAuthProtocol.stringify_keys(consent)
  {
    id: data["id"],
    client_id: data["clientId"],
    user_id: data["userId"],
    scope: OAuthProtocol.scope_string(data["scopes"]),
    scopes: OAuthProtocol.parse_scopes(data["scopes"])
  }.compact
end

.oauth_continue_endpoint(config) ⇒ Object



425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
# File 'lib/better_auth/plugins/oauth_provider.rb', line 425

def oauth_continue_endpoint(config)
  Endpoint.new(path: "/oauth2/continue", method: "POST") do |ctx|
    Routes.current_session(ctx)
    body = OAuthProtocol.stringify_keys(ctx.body)
    action = if body["selected"] == true
      "select_account"
    elsif body["created"] == true
      "create"
    elsif body["postLogin"] == true || body["post_login"] == true
      "post_login"
    end
    raise APIError.new("BAD_REQUEST", message: "Missing parameters") unless action

    query = oauth_verified_query!(ctx, body["oauth_query"])
    oauth_delete_prompt!(query, action) unless action == "post_login"
    url = oauth_redirect_location { oauth_authorize_flow(ctx, config, query, continue_post_login: action == "post_login") }
    ctx.json({redirect: true, url: url})
  end
end

.oauth_create_client_endpoint(config) ⇒ Object



191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
# File 'lib/better_auth/plugins/oauth_provider.rb', line 191

def oauth_create_client_endpoint(config)
  Endpoint.new(path: "/oauth2/create-client", method: "POST") do |ctx|
    session = Routes.current_session(ctx)
    oauth_assert_client_privilege!(ctx, config, session, "create")
    body = OAuthProtocol.stringify_keys(ctx.body)
    client = OAuthProtocol.create_client(
      ctx,
      model: "oauthClient",
      body: body,
      owner_session: session,
      default_scopes: config[:client_registration_default_scopes] || config[:scopes],
      allowed_scopes: config[:client_registration_allowed_scopes] || config[:scopes],
      store_client_secret: config[:store_client_secret],
      prefix: config[:prefix],
      dynamic_registration: false,
      admin: false
    )
    ctx.json(client, status: 201, headers: {"Cache-Control" => "no-store", "Pragma" => "no-cache"})
  end
end

.oauth_delete_client_endpoint(config) ⇒ Object



262
263
264
265
266
267
268
269
270
271
272
273
# File 'lib/better_auth/plugins/oauth_provider.rb', line 262

def oauth_delete_client_endpoint(config)
  Endpoint.new(path: "/oauth2/delete-client", method: "POST") do |ctx|
    session = Routes.current_session(ctx)
    oauth_assert_client_privilege!(ctx, config, session, "delete")
    body = OAuthProtocol.stringify_keys(ctx.body)
    client = OAuthProtocol.find_client(ctx, "oauthClient", body["client_id"])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client
    oauth_assert_owned_client!(client, session, config)
    ctx.context.adapter.delete(model: "oauthClient", where: [{field: "clientId", value: body["client_id"]}])
    ctx.json({deleted: true})
  end
end


400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
# File 'lib/better_auth/plugins/oauth_provider.rb', line 400

def oauth_delete_consent_endpoint
  Endpoint.new(path: "/oauth2/delete-consent", method: "POST") do |ctx|
    session = Routes.current_session(ctx)
    body = OAuthProtocol.stringify_keys(ctx.body)
    id = body["id"]
    consent = if id.to_s.empty?
      oauth_find_user_consent(ctx, session, body["client_id"])
    else
      ctx.context.adapter.find_one(model: "oauthConsent", where: [{field: "id", value: id}])
    end
    raise APIError.new("NOT_FOUND", message: "missing id") if id.to_s.empty? && body["client_id"].to_s.empty?
    raise APIError.new("NOT_FOUND", message: "consent not found") unless consent
    raise APIError.new("UNAUTHORIZED") unless OAuthProtocol.stringify_keys(consent)["userId"] == session[:user]["id"]

    ctx.context.adapter.delete(model: "oauthConsent", where: [{field: "id", value: OAuthProtocol.stringify_keys(consent)["id"]}])
    ctx.json({deleted: true})
  end
end

.oauth_delete_prompt!(query, prompt) ⇒ Object



575
576
577
578
579
580
581
582
583
# File 'lib/better_auth/plugins/oauth_provider.rb', line 575

def oauth_delete_prompt!(query, prompt)
  prompts = OAuthProtocol.parse_scopes(query["prompt"])
  prompts.delete(prompt)
  if prompts.empty?
    query.delete("prompt")
  else
    query["prompt"] = OAuthProtocol.scope_string(prompts)
  end
end

.oauth_end_session_endpointObject



768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
# File 'lib/better_auth/plugins/oauth_provider.rb', line 768

def oauth_end_session_endpoint
  Endpoint.new(path: "/oauth2/end-session", method: ["GET", "POST"], metadata: {allowed_media_types: ["application/x-www-form-urlencoded", "application/json"]}) do |ctx|
    input = OAuthProtocol.stringify_keys((ctx.method == "GET") ? ctx.query : ctx.body)
    id_token_hint = input["id_token_hint"].to_s
    raise APIError.new("UNAUTHORIZED", message: "invalid id token") if id_token_hint.empty?

    decoded = ::JWT.decode(id_token_hint, nil, false).first
    client_id = input["client_id"] || decoded["aud"]
    client = OAuthProtocol.find_client(ctx, "oauthClient", client_id)
    raise APIError.new("BAD_REQUEST", message: "invalid_client") unless client

    client_data = OAuthProtocol.stringify_keys(client)
    raise APIError.new("BAD_REQUEST", message: "invalid_client") if client_data["disabled"]
    raise APIError.new("UNAUTHORIZED", message: "client unable to logout") unless client_data["enableEndSession"]

    payload = Crypto.verify_jwt(id_token_hint, client_data["clientId"])
    raise APIError.new("UNAUTHORIZED", message: "invalid id token") unless payload
    raise APIError.new("BAD_REQUEST", message: "audience mismatch") if input["client_id"] && payload["aud"] != input["client_id"]

    if payload["sid"]
      ctx.context.adapter.delete(model: "session", where: [{field: "id", value: payload["sid"]}])
    end

    if input["post_logout_redirect_uri"]
      unless OAuthProtocol.client_logout_redirect_uris(client_data).include?(input["post_logout_redirect_uri"])
        raise APIError.new("BAD_REQUEST", message: "invalid post_logout_redirect_uri")
      end

      redirect = OAuthProtocol.redirect_uri_with_params(input["post_logout_redirect_uri"], state: input["state"])
      raise ctx.redirect(redirect)
    end

    ctx.json({status: true})
  rescue ::JWT::DecodeError
    raise APIError.new("UNAUTHORIZED", message: "invalid id token")
  end
end


884
885
886
887
888
889
890
891
892
# File 'lib/better_auth/plugins/oauth_provider.rb', line 884

def oauth_find_user_consent(ctx, session, client_id)
  ctx.context.adapter.find_one(
    model: "oauthConsent",
    where: [
      {field: "clientId", value: client_id},
      {field: "userId", value: session[:user]["id"]}
    ]
  )
end

.oauth_get_client_endpoint(config) ⇒ Object



212
213
214
215
216
217
218
219
220
221
222
223
# File 'lib/better_auth/plugins/oauth_provider.rb', line 212

def oauth_get_client_endpoint(config)
  Endpoint.new(path: "/oauth2/get-client", method: "GET") do |ctx|
    session = Routes.current_session(ctx)
    oauth_assert_client_privilege!(ctx, config, session, "read")
    query = OAuthProtocol.stringify_keys(ctx.query)
    client = OAuthProtocol.find_client(ctx, "oauthClient", query["client_id"])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client
    oauth_assert_owned_client!(client, session, config)

    ctx.json(OAuthProtocol.client_response(client, include_secret: false))
  end
end

.oauth_get_client_public_endpoint(_config) ⇒ Object



225
226
227
228
229
230
231
232
233
234
235
# File 'lib/better_auth/plugins/oauth_provider.rb', line 225

def oauth_get_client_public_endpoint(_config)
  Endpoint.new(path: "/oauth2/public-client", method: "GET") do |ctx|
    Routes.current_session(ctx, allow_nil: true)
    query = OAuthProtocol.stringify_keys(ctx.query)
    client = OAuthProtocol.find_client(ctx, "oauthClient", query["client_id"])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client
    raise APIError.new("NOT_FOUND", message: "client not found") if OAuthProtocol.stringify_keys(client)["disabled"]

    ctx.json(oauth_public_client_response(client))
  end
end

.oauth_get_client_public_prelogin_endpoint(_config) ⇒ Object



237
238
239
240
241
242
243
244
245
246
# File 'lib/better_auth/plugins/oauth_provider.rb', line 237

def oauth_get_client_public_prelogin_endpoint(_config)
  Endpoint.new(path: "/oauth2/public-client-prelogin", method: "POST") do |ctx|
    input = OAuthProtocol.stringify_keys(ctx.body).merge(OAuthProtocol.stringify_keys(ctx.query))
    client = OAuthProtocol.find_client(ctx, "oauthClient", input["client_id"])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client
    raise APIError.new("NOT_FOUND", message: "client not found") if OAuthProtocol.stringify_keys(client)["disabled"]

    ctx.json(oauth_public_client_response(client))
  end
end


352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
# File 'lib/better_auth/plugins/oauth_provider.rb', line 352

def oauth_get_consent_endpoint
  Endpoint.new(path: "/oauth2/get-consent", method: "GET") do |ctx|
    session = Routes.current_session(ctx)
    query = OAuthProtocol.stringify_keys(ctx.query)
    consent = if query["id"].to_s.empty?
      oauth_find_user_consent(ctx, session, query["client_id"])
    else
      ctx.context.adapter.find_one(model: "oauthConsent", where: [{field: "id", value: query["id"]}])
    end
    raise APIError.new("NOT_FOUND", message: "missing id") unless query["id"] || query["client_id"]
    raise APIError.new("NOT_FOUND", message: "consent not found") unless consent
    raise APIError.new("UNAUTHORIZED") unless OAuthProtocol.stringify_keys(consent)["userId"] == session[:user]["id"]

    ctx.json(oauth_consent_response(consent))
  end
end

.oauth_id_token_signing_algs(ctx, config) ⇒ Object



934
935
936
937
938
939
940
941
# File 'lib/better_auth/plugins/oauth_provider.rb', line 934

def oauth_id_token_signing_algs(ctx, config)
  return ["HS256"] if config[:disable_jwt_plugin]

  jwt_plugin = ctx.context.options.plugins.find { |plugin| plugin.id == "jwt" }
  alg = config.dig(:jwt, :jwks, :key_pair_config, :alg) ||
    jwt_plugin&.options&.dig(:jwks, :key_pair_config, :alg)
  alg ? [alg] : ["EdDSA"]
end

.oauth_introspect_endpoint(config) ⇒ Object



730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
# File 'lib/better_auth/plugins/oauth_provider.rb', line 730

def oauth_introspect_endpoint(config)
  Endpoint.new(path: "/oauth2/introspect", method: "POST", metadata: {allowed_media_types: ["application/x-www-form-urlencoded", "application/json"]}) do |ctx|
    client = OAuthProtocol.authenticate_client!(ctx, "oauthClient", store_client_secret: config[:store_client_secret], prefix: config[:prefix])
    body = OAuthProtocol.stringify_keys(ctx.body)
    token = OAuthProtocol.find_token_by_hint(config[:store], body["token"].to_s, body["token_type_hint"], prefix: config[:prefix])
    active = token && !token["revoked"] && (!token["expiresAt"] || token["expiresAt"] > Time.now)
    if active
      next ctx.json({
        active: true,
        client_id: token["clientId"],
        scope: OAuthProtocol.scope_string(token["scope"] || token["scopes"]),
        sub: token.dig("user", "id"),
        exp: token["expiresAt"]&.to_i
      })
    end

    jwt = oauth_introspect_jwt_access_token(ctx, client, body["token"].to_s)
    ctx.json(jwt || {active: false})
  end
end

.oauth_introspect_jwt_access_token(ctx, client, token) ⇒ Object



820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
# File 'lib/better_auth/plugins/oauth_provider.rb', line 820

def oauth_introspect_jwt_access_token(ctx, client, token)
  payload = ::JWT.decode(token, ctx.context.secret, true, algorithm: "HS256").first
  client_data = OAuthProtocol.stringify_keys(client)
  return nil unless payload["azp"] == client_data["clientId"]

  {
    active: true,
    client_id: payload["azp"],
    scope: payload["scope"],
    sub: payload["sub"],
    aud: payload["aud"],
    exp: payload["exp"]
  }.compact
rescue ::JWT::DecodeError
  nil
end

.oauth_jwks_uri(config) ⇒ Object



922
923
924
925
926
# File 'lib/better_auth/plugins/oauth_provider.rb', line 922

def oauth_jwks_uri(config)
  config.dig(:advertised_metadata, :jwks_uri) ||
    config[:jwks_uri] ||
    config.dig(:jwks, :remote_url)
end

.oauth_jwt_access_token?(config, audience) ⇒ Boolean

Returns:

  • (Boolean)


816
817
818
# File 'lib/better_auth/plugins/oauth_provider.rb', line 816

def oauth_jwt_access_token?(config, audience)
  !!audience && !config[:disable_jwt_plugin] && !config[:disable_jwt_access_tokens]
end

.oauth_legacy_delete_client_endpoint(config) ⇒ Object



1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
# File 'lib/better_auth/plugins/oauth_provider.rb', line 1003

def oauth_legacy_delete_client_endpoint(config)
  Endpoint.new(path: "/oauth2/client", method: "DELETE") do |ctx|
    session = Routes.current_session(ctx)
    oauth_assert_client_privilege!(ctx, config, session, "delete")
    body = OAuthProtocol.stringify_keys(ctx.body)
    client = OAuthProtocol.find_client(ctx, "oauthClient", body["client_id"])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client
    oauth_assert_owned_client!(client, session, config)
    ctx.context.adapter.delete(model: "oauthClient", where: [{field: "clientId", value: body["client_id"]}])
    ctx.json({deleted: true})
  end
end


1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
# File 'lib/better_auth/plugins/oauth_provider.rb', line 1053

def oauth_legacy_delete_consent_endpoint
  Endpoint.new(path: "/oauth2/consent", method: "DELETE") do |ctx|
    session = Routes.current_session(ctx)
    body = OAuthProtocol.stringify_keys(ctx.body)
    consent = oauth_find_user_consent(ctx, session, body["client_id"])
    raise APIError.new("NOT_FOUND", message: "consent not found") unless consent
    ctx.context.adapter.delete(model: "oauthConsent", where: [{field: "id", value: OAuthProtocol.stringify_keys(consent)["id"]}])
    ctx.json({deleted: true})
  end
end

.oauth_legacy_get_client_endpoint(config) ⇒ Object



960
961
962
963
964
965
966
967
968
969
# File 'lib/better_auth/plugins/oauth_provider.rb', line 960

def oauth_legacy_get_client_endpoint(config)
  Endpoint.new(path: "/oauth2/client/:id", method: "GET") do |ctx|
    session = Routes.current_session(ctx)
    oauth_assert_client_privilege!(ctx, config, session, "read")
    client = OAuthProtocol.find_client(ctx, "oauthClient", ctx.params["id"] || ctx.params[:id])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client
    oauth_assert_owned_client!(client, session, config)
    ctx.json(OAuthProtocol.client_response(client, include_secret: false))
  end
end

.oauth_legacy_get_client_public_endpoint(_config) ⇒ Object



971
972
973
974
975
976
977
978
# File 'lib/better_auth/plugins/oauth_provider.rb', line 971

def oauth_legacy_get_client_public_endpoint(_config)
  Endpoint.new(path: "/oauth2/client", method: "GET") do |ctx|
    query = OAuthProtocol.stringify_keys(ctx.query)
    client = OAuthProtocol.find_client(ctx, "oauthClient", query["client_id"])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client
    ctx.json(OAuthProtocol.client_response(client, include_secret: false))
  end
end


1024
1025
1026
1027
1028
1029
1030
1031
1032
# File 'lib/better_auth/plugins/oauth_provider.rb', line 1024

def oauth_legacy_get_consent_endpoint
  Endpoint.new(path: "/oauth2/consent", method: "GET") do |ctx|
    session = Routes.current_session(ctx)
    query = OAuthProtocol.stringify_keys(ctx.query)
    consent = oauth_find_user_consent(ctx, session, query["client_id"])
    raise APIError.new("NOT_FOUND", message: "consent not found") unless consent
    ctx.json(oauth_consent_response(consent))
  end
end

.oauth_legacy_list_clients_endpoint(config) ⇒ Object



980
981
982
983
984
985
986
987
# File 'lib/better_auth/plugins/oauth_provider.rb', line 980

def oauth_legacy_list_clients_endpoint(config)
  Endpoint.new(path: "/oauth2/clients", method: "GET") do |ctx|
    session = Routes.current_session(ctx)
    oauth_assert_client_privilege!(ctx, config, session, "list")
    clients = ctx.context.adapter.find_many(model: "oauthClient", where: [{field: "userId", value: session[:user]["id"]}])
    ctx.json(clients.map { |client| OAuthProtocol.client_response(client, include_secret: false) })
  end
end

.oauth_legacy_list_consents_endpointObject



1016
1017
1018
1019
1020
1021
1022
# File 'lib/better_auth/plugins/oauth_provider.rb', line 1016

def oauth_legacy_list_consents_endpoint
  Endpoint.new(path: "/oauth2/consents", method: "GET") do |ctx|
    session = Routes.current_session(ctx)
    consents = ctx.context.adapter.find_many(model: "oauthConsent", where: [{field: "userId", value: session[:user]["id"]}])
    ctx.json(consents.map { |consent| oauth_consent_response(consent) })
  end
end

.oauth_legacy_update_client_endpoint(config) ⇒ Object



989
990
991
992
993
994
995
996
997
998
999
1000
1001
# File 'lib/better_auth/plugins/oauth_provider.rb', line 989

def oauth_legacy_update_client_endpoint(config)
  Endpoint.new(path: "/oauth2/client", method: "PATCH") do |ctx|
    session = Routes.current_session(ctx)
    oauth_assert_client_privilege!(ctx, config, session, "update")
    body = OAuthProtocol.stringify_keys(ctx.body)
    client = OAuthProtocol.find_client(ctx, "oauthClient", body["client_id"])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client
    oauth_assert_owned_client!(client, session, config)
    update = oauth_client_update_data(OAuthProtocol.stringify_keys(body["update"] || body))
    updated = update.empty? ? client : ctx.context.adapter.update(model: "oauthClient", where: [{field: "clientId", value: body["client_id"]}], update: update.merge(updatedAt: Time.now))
    ctx.json(OAuthProtocol.client_response(updated, include_secret: false))
  end
end


1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
# File 'lib/better_auth/plugins/oauth_provider.rb', line 1034

def oauth_legacy_update_consent_endpoint
  Endpoint.new(path: "/oauth2/consent", method: "PATCH") do |ctx|
    session = Routes.current_session(ctx)
    body = OAuthProtocol.stringify_keys(ctx.body)
    consent = oauth_find_user_consent(ctx, session, body["client_id"])
    raise APIError.new("NOT_FOUND", message: "consent not found") unless consent
    scopes = OAuthProtocol.parse_scopes(body["scope"] || body["scopes"])
    existing = OAuthProtocol.parse_scopes(OAuthProtocol.stringify_keys(consent)["scopes"])
    raise APIError.new("BAD_REQUEST", message: "invalid_scope") unless scopes.all? { |scope| existing.include?(scope) }

    updated = ctx.context.adapter.update(
      model: "oauthConsent",
      where: [{field: "id", value: OAuthProtocol.stringify_keys(consent)["id"]}],
      update: {scopes: scopes, updatedAt: Time.now}
    )
    ctx.json(oauth_consent_response(updated))
  end
end

.oauth_list_clients_endpoint(config) ⇒ Object



248
249
250
251
252
253
254
255
256
257
258
259
260
# File 'lib/better_auth/plugins/oauth_provider.rb', line 248

def oauth_list_clients_endpoint(config)
  Endpoint.new(path: "/oauth2/get-clients", method: "GET") do |ctx|
    session = Routes.current_session(ctx)
    oauth_assert_client_privilege!(ctx, config, session, "list")
    reference_id = config[:client_reference]&.call({user: session[:user], session: session[:session]})
    clients = if reference_id
      ctx.context.adapter.find_many(model: "oauthClient", where: [{field: "referenceId", value: reference_id}])
    else
      ctx.context.adapter.find_many(model: "oauthClient", where: [{field: "userId", value: session[:user]["id"]}])
    end
    ctx.json(clients.map { |client| OAuthProtocol.client_response(client, include_secret: false) })
  end
end

.oauth_list_consents_endpointObject



344
345
346
347
348
349
350
# File 'lib/better_auth/plugins/oauth_provider.rb', line 344

def oauth_list_consents_endpoint
  Endpoint.new(path: "/oauth2/get-consents", method: "GET") do |ctx|
    session = Routes.current_session(ctx)
    consents = ctx.context.adapter.find_many(model: "oauthConsent", where: [{field: "userId", value: session[:user]["id"]}])
    ctx.json(consents.map { |consent| oauth_consent_response(consent) })
  end
end

.oauth_metadata_headersObject



918
919
920
# File 'lib/better_auth/plugins/oauth_provider.rb', line 918

def 
  {"Cache-Control" => "public, max-age=15, stale-while-revalidate=15, stale-if-error=86400"}
end

.oauth_openid_metadata_endpoint(config) ⇒ Object



124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
# File 'lib/better_auth/plugins/oauth_provider.rb', line 124

def (config)
  Endpoint.new(path: "/.well-known/openid-configuration", method: "GET", metadata: {hide: true}) do |ctx|
    unless OAuthProtocol.parse_scopes(config[:scopes]).include?("openid")
      raise APIError.new("NOT_FOUND", message: "openid is not enabled")
    end

    base = OAuthProtocol.endpoint_base(ctx)
     = {
      issuer: OAuthProvider.validate_issuer_url(OAuthProtocol.issuer(ctx)),
      authorization_endpoint: "#{base}/oauth2/authorize",
      token_endpoint: "#{base}/oauth2/token",
      registration_endpoint: "#{base}/oauth2/register",
      introspection_endpoint: "#{base}/oauth2/introspect",
      revocation_endpoint: "#{base}/oauth2/revoke",
      response_types_supported: ["code"],
      response_modes_supported: ["query"],
      grant_types_supported: config[:grant_types],
      token_endpoint_auth_methods_supported: ["client_secret_basic", "client_secret_post", "none"],
      introspection_endpoint_auth_methods_supported: ["client_secret_basic", "client_secret_post"],
      revocation_endpoint_auth_methods_supported: ["client_secret_basic", "client_secret_post"],
      code_challenge_methods_supported: ["S256"],
      authorization_response_iss_parameter_supported: true,
      scopes_supported: config.dig(:advertised_metadata, :scopes_supported) || config[:scopes],
      userinfo_endpoint: "#{base}/oauth2/userinfo",
      subject_types_supported: config[:pairwise_secret] ? ["public", "pairwise"] : ["public"],
      id_token_signing_alg_values_supported: oauth_id_token_signing_algs(ctx, config),
      end_session_endpoint: "#{base}/oauth2/end-session",
      acr_values_supported: ["urn:mace:incommon:iap:bronze"],
      prompt_values_supported: oauth_prompt_values,
      claims_supported: config.dig(:advertised_metadata, :claims_supported) || config[:claims] || []
    }
    [:jwks_uri] = oauth_jwks_uri(config) if oauth_jwks_uri(config)
    ctx.json(, headers: )
  end
end

.oauth_prompt_page(config, type) ⇒ Object



529
530
531
532
533
534
535
536
537
538
539
540
541
542
# File 'lib/better_auth/plugins/oauth_provider.rb', line 529

def oauth_prompt_page(config, type)
  case type
  when "create"
    config.dig(:signup, :page) || config[:login_page]
  when "select_account"
    config.dig(:select_account, :page) || config[:login_page]
  when "post_login"
    config.dig(:post_login, :page) || config[:login_page]
  when "consent"
    config[:consent_page]
  else
    config[:login_page]
  end
end

.oauth_prompt_redirect(ctx, config, query, type, page: nil) ⇒ Object



523
524
525
526
527
# File 'lib/better_auth/plugins/oauth_provider.rb', line 523

def oauth_prompt_redirect(ctx, config, query, type, page: nil)
  target = page || oauth_prompt_page(config, type)

  "#{target}?#{oauth_signed_query(ctx, query)}"
end

.oauth_prompt_valuesObject



943
944
945
# File 'lib/better_auth/plugins/oauth_provider.rb', line 943

def oauth_prompt_values
  ["login", "consent", "create", "select_account", "none"]
end

.oauth_provider(options = {}) ⇒ Object



29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
# File 'lib/better_auth/plugins/oauth_provider.rb', line 29

def oauth_provider(options = {})
  config = {
    login_page: "/login",
    consent_page: "/oauth2/consent",
    scopes: [],
    grant_types: [OAuthProtocol::AUTH_CODE_GRANT, OAuthProtocol::CLIENT_CREDENTIALS_GRANT, OAuthProtocol::REFRESH_GRANT],
    allow_dynamic_client_registration: false,
    allow_unauthenticated_client_registration: false,
    client_registration_default_scopes: nil,
    client_registration_allowed_scopes: nil,
    signup: {},
    select_account: {},
    post_login: {},
    store_client_secret: "plain",
    prefix: {},
    refresh_token_expires_in: 2_592_000,
    store: OAuthProtocol.stores
  }.merge(normalize_hash(options))

  Plugin.new(
    id: "oauth-provider",
    version: BetterAuth::OAuthProvider::VERSION,
    endpoints: oauth_provider_endpoints(config),
    schema: oauth_provider_schema,
    rate_limit: oauth_provider_rate_limits(config),
    options: config
  )
end

.oauth_provider_endpoints(config) ⇒ Object



58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
# File 'lib/better_auth/plugins/oauth_provider.rb', line 58

def oauth_provider_endpoints(config)
  {
    get_o_auth_server_config: (config),
    get_open_id_config: (config),
    register_o_auth_client: oauth_register_client_endpoint(config),
    create_o_auth_client: oauth_create_client_endpoint(config),
    admin_create_o_auth_client: oauth_admin_create_client_endpoint(config),
    admin_update_o_auth_client: oauth_admin_update_client_endpoint(config),
    get_o_auth_client: oauth_get_client_endpoint(config),
    get_o_auth_client_public: oauth_get_client_public_endpoint(config),
    get_o_auth_client_public_prelogin: oauth_get_client_public_prelogin_endpoint(config),
    get_o_auth_clients: oauth_list_clients_endpoint(config),
    list_o_auth_clients: oauth_list_clients_endpoint(config),
    delete_o_auth_client: oauth_delete_client_endpoint(config),
    update_o_auth_client: oauth_update_client_endpoint(config),
    rotate_o_auth_client_secret: oauth_rotate_client_secret_endpoint(config),
    get_o_auth_consents: oauth_list_consents_endpoint,
    list_o_auth_consents: oauth_list_consents_endpoint,
    get_o_auth_consent: oauth_get_consent_endpoint,
    update_o_auth_consent: oauth_update_consent_endpoint,
    delete_o_auth_consent: oauth_delete_consent_endpoint,
    legacy_get_o_auth_client: oauth_legacy_get_client_endpoint(config),
    legacy_get_o_auth_client_public: oauth_legacy_get_client_public_endpoint(config),
    legacy_list_o_auth_clients: oauth_legacy_list_clients_endpoint(config),
    legacy_update_o_auth_client: oauth_legacy_update_client_endpoint(config),
    legacy_delete_o_auth_client: oauth_legacy_delete_client_endpoint(config),
    legacy_list_o_auth_consents: oauth_legacy_list_consents_endpoint,
    legacy_get_o_auth_consent: oauth_legacy_get_consent_endpoint,
    legacy_update_o_auth_consent: oauth_legacy_update_consent_endpoint,
    legacy_delete_o_auth_consent: oauth_legacy_delete_consent_endpoint,
    o_auth2_authorize: oauth_authorize_endpoint(config),
    o_auth2_continue: oauth_continue_endpoint(config),
    o_auth2_consent: oauth_consent_endpoint(config),
    o_auth2_token: oauth_token_endpoint(config),
    o_auth2_introspect: oauth_introspect_endpoint(config),
    o_auth2_revoke: oauth_revoke_endpoint(config),
    o_auth2_user_info: oauth_userinfo_endpoint(config),
    o_auth2_end_session: oauth_end_session_endpoint
  }
end

.oauth_provider_rate_limits(config) ⇒ Object



1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
# File 'lib/better_auth/plugins/oauth_provider.rb', line 1064

def oauth_provider_rate_limits(config)
  rate_limit = normalize_hash(config[:rate_limit] || {})
  [
    oauth_rate_limit_rule(rate_limit, :token, "/oauth2/token", window: 60, max: 20),
    oauth_rate_limit_rule(rate_limit, :authorize, "/oauth2/authorize", window: 60, max: 30),
    oauth_rate_limit_rule(rate_limit, :introspect, "/oauth2/introspect", window: 60, max: 100),
    oauth_rate_limit_rule(rate_limit, :revoke, "/oauth2/revoke", window: 60, max: 30),
    oauth_rate_limit_rule(rate_limit, :register, "/oauth2/register", window: 60, max: 5),
    oauth_rate_limit_rule(rate_limit, :userinfo, "/oauth2/userinfo", window: 60, max: 60)
  ].compact
end

.oauth_provider_schemaObject



1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
# File 'lib/better_auth/plugins/oauth_provider.rb', line 1088

def oauth_provider_schema
  {
    oauthClient: {
      modelName: "oauthClient",
      fields: {
        clientId: {type: "string", unique: true, required: true},
        clientSecret: {type: "string", required: false},
        disabled: {type: "boolean", default_value: false, required: false},
        skipConsent: {type: "boolean", required: false},
        enableEndSession: {type: "boolean", required: false},
        clientSecretExpiresAt: {type: "number", required: false},
        scopes: {type: "string[]", required: false},
        userId: {type: "string", required: false},
        createdAt: {type: "date", required: true, default_value: -> { Time.now }},
        updatedAt: {type: "date", required: true, default_value: -> { Time.now }, on_update: -> { Time.now }},
        name: {type: "string", required: false},
        uri: {type: "string", required: false},
        icon: {type: "string", required: false},
        contacts: {type: "string[]", required: false},
        tos: {type: "string", required: false},
        policy: {type: "string", required: false},
        softwareId: {type: "string", required: false},
        softwareVersion: {type: "string", required: false},
        softwareStatement: {type: "string", required: false},
        redirectUris: {type: "string[]", required: true},
        postLogoutRedirectUris: {type: "string[]", required: false},
        tokenEndpointAuthMethod: {type: "string", required: false},
        grantTypes: {type: "string[]", required: false},
        responseTypes: {type: "string[]", required: false},
        public: {type: "boolean", required: false},
        type: {type: "string", required: false},
        requirePKCE: {type: "boolean", required: false},
        subjectType: {type: "string", required: false},
        referenceId: {type: "string", required: false},
        metadata: {type: "json", required: false}
      }
    },
    oauthRefreshToken: {
      fields: {
        token: {type: "string", required: true},
        clientId: {type: "string", required: true},
        sessionId: {type: "string", required: false},
        userId: {type: "string", required: false},
        referenceId: {type: "string", required: false},
        authTime: {type: "date", required: false},
        expiresAt: {type: "date", required: false},
        createdAt: {type: "date", required: true, default_value: -> { Time.now }},
        revoked: {type: "date", required: false},
        scopes: {type: "string[]", required: true}
      }
    },
    oauthAccessToken: {
      modelName: "oauthAccessToken",
      fields: {
        token: {type: "string", unique: true, required: true},
        expiresAt: {type: "date", required: true},
        clientId: {type: "string", required: true},
        userId: {type: "string", required: false},
        sessionId: {type: "string", required: false},
        scopes: {type: "string[]", required: true},
        revoked: {type: "date", required: false},
        referenceId: {type: "string", required: false},
        authTime: {type: "date", required: false},
        refreshId: {type: "string", required: false},
        createdAt: {type: "date", required: true, default_value: -> { Time.now }},
        updatedAt: {type: "date", required: true, default_value: -> { Time.now }, on_update: -> { Time.now }}
      }
    },
    oauthConsent: {
      modelName: "oauthConsent",
      fields: {
        clientId: {type: "string", required: true},
        userId: {type: "string", required: false},
        referenceId: {type: "string", required: false},
        scopes: {type: "string[]", required: true},
        createdAt: {type: "date", required: true, default_value: -> { Time.now }},
        updatedAt: {type: "date", required: true, default_value: -> { Time.now }, on_update: -> { Time.now }}
      }
    }
  }
end

.oauth_public_client_response(client) ⇒ Object



905
906
907
908
909
910
911
912
913
914
915
916
# File 'lib/better_auth/plugins/oauth_provider.rb', line 905

def oauth_public_client_response(client)
  data = OAuthProtocol.stringify_keys(client)
  {
    client_id: data["clientId"],
    client_name: data["name"],
    client_uri: data["uri"],
    logo_uri: data["icon"],
    contacts: data["contacts"] || [],
    tos_uri: data["tos"],
    policy_uri: data["policy"]
  }.compact
end

.oauth_rate_limit_rule(rate_limit, key, path, window:, max:) ⇒ Object



1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
# File 'lib/better_auth/plugins/oauth_provider.rb', line 1076

def oauth_rate_limit_rule(rate_limit, key, path, window:, max:)
  override = rate_limit[key]
  return nil if override == false

  override = normalize_hash(override || {})
  {
    path_matcher: ->(request_path) { request_path == path },
    window: override[:window] || window,
    max: override[:max] || max
  }
end

.oauth_redirect_locationObject



585
586
587
588
589
590
591
592
# File 'lib/better_auth/plugins/oauth_provider.rb', line 585

def oauth_redirect_location
  yield
rescue APIError => error
  location = error.headers["location"]
  return location if location

  raise
end

.oauth_redirect_with_code(ctx, config, query, session, client, scopes) ⇒ Object



694
695
696
# File 'lib/better_auth/plugins/oauth_provider.rb', line 694

def oauth_redirect_with_code(ctx, config, query, session, client, scopes)
  raise ctx.redirect(oauth_authorization_redirect(ctx, config, query, session, client, scopes))
end

.oauth_register_client_endpoint(config) ⇒ Object



160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
# File 'lib/better_auth/plugins/oauth_provider.rb', line 160

def oauth_register_client_endpoint(config)
  Endpoint.new(path: "/oauth2/register", method: "POST") do |ctx|
    session = Routes.current_session(ctx, allow_nil: true)
    body = OAuthProtocol.stringify_keys(ctx.body)
    unless config[:allow_dynamic_client_registration]
      raise APIError.new("FORBIDDEN", message: "Client registration is disabled")
    end
    unless session || config[:allow_unauthenticated_client_registration]
      raise APIError.new("UNAUTHORIZED")
    end
    if body.key?("skip_consent") || body.key?("skipConsent")
      raise APIError.new("BAD_REQUEST", message: "skip_consent is not allowed during dynamic client registration")
    end
    body["require_pkce"] = true unless body.key?("require_pkce") || body.key?("requirePKCE")

    client = OAuthProtocol.create_client(
      ctx,
      model: "oauthClient",
      body: body,
      owner_session: session,
      unauthenticated: session.nil?,
      default_scopes: config[:client_registration_default_scopes] || config[:scopes],
      allowed_scopes: config[:client_registration_allowed_scopes] || config[:scopes],
      store_client_secret: config[:store_client_secret],
      prefix: config[:prefix],
      dynamic_registration: true
    )
    ctx.json(client, status: 201, headers: {"Cache-Control" => "no-store", "Pragma" => "no-cache"})
  end
end

.oauth_revoke_endpoint(config) ⇒ Object



751
752
753
754
755
756
757
758
759
760
# File 'lib/better_auth/plugins/oauth_provider.rb', line 751

def oauth_revoke_endpoint(config)
  Endpoint.new(path: "/oauth2/revoke", method: "POST", metadata: {allowed_media_types: ["application/x-www-form-urlencoded", "application/json"]}) do |ctx|
    OAuthProtocol.authenticate_client!(ctx, "oauthClient", store_client_secret: config[:store_client_secret], prefix: config[:prefix])
    body = OAuthProtocol.stringify_keys(ctx.body)
    if (token = OAuthProtocol.find_token_by_hint(config[:store], body["token"].to_s, body["token_type_hint"], prefix: config[:prefix]))
      token["revoked"] = Time.now
    end
    ctx.json({revoked: true})
  end
end

.oauth_rotate_client_secret_endpoint(config) ⇒ Object



322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
# File 'lib/better_auth/plugins/oauth_provider.rb', line 322

def oauth_rotate_client_secret_endpoint(config)
  Endpoint.new(path: "/oauth2/client/rotate-secret", method: "POST") do |ctx|
    session = Routes.current_session(ctx)
    oauth_assert_client_privilege!(ctx, config, session, "rotate")
    body = OAuthProtocol.stringify_keys(ctx.body)
    client = OAuthProtocol.find_client(ctx, "oauthClient", body["client_id"])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client
    oauth_assert_owned_client!(client, session, config)
    client_data = OAuthProtocol.stringify_keys(client)
    raise APIError.new("BAD_REQUEST", message: "public clients cannot rotate secrets") if client_data["public"] || client_data["tokenEndpointAuthMethod"] == "none"

    client_secret = Crypto.random_string(32)
    updated = ctx.context.adapter.update(
      model: "oauthClient",
      where: [{field: "clientId", value: body["client_id"]}],
      update: {clientSecret: OAuthProtocol.store_client_secret_value(ctx, client_secret, config[:store_client_secret]), updatedAt: Time.now}
    )
    response = OAuthProtocol.client_response(updated, include_secret: false)
    ctx.json(response.merge(client_secret: OAuthProtocol.apply_prefix(client_secret, config[:prefix], :client_secret), client_secret_expires_at: client_data["clientSecretExpiresAt"] || 0))
  end
end

.oauth_server_metadata_endpoint(config) ⇒ Object



99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
# File 'lib/better_auth/plugins/oauth_provider.rb', line 99

def (config)
  Endpoint.new(path: "/.well-known/oauth-authorization-server", method: "GET", metadata: {hide: true}) do |ctx|
    base = OAuthProtocol.endpoint_base(ctx)
     = {
      issuer: OAuthProvider.validate_issuer_url(OAuthProtocol.issuer(ctx)),
      authorization_endpoint: "#{base}/oauth2/authorize",
      token_endpoint: "#{base}/oauth2/token",
      registration_endpoint: "#{base}/oauth2/register",
      introspection_endpoint: "#{base}/oauth2/introspect",
      revocation_endpoint: "#{base}/oauth2/revoke",
      response_types_supported: ["code"],
      response_modes_supported: ["query"],
      grant_types_supported: config[:grant_types],
      token_endpoint_auth_methods_supported: oauth_token_auth_methods(config),
      introspection_endpoint_auth_methods_supported: ["client_secret_basic", "client_secret_post"],
      revocation_endpoint_auth_methods_supported: ["client_secret_basic", "client_secret_post"],
      code_challenge_methods_supported: ["S256"],
      authorization_response_iss_parameter_supported: true,
      scopes_supported: config.dig(:advertised_metadata, :scopes_supported) || config[:scopes]
    }
    [:jwks_uri] = oauth_jwks_uri(config) if oauth_jwks_uri(config)
    ctx.json(, headers: )
  end
end

.oauth_signed_query(ctx, query) ⇒ Object



544
545
546
547
548
549
550
# File 'lib/better_auth/plugins/oauth_provider.rb', line 544

def oauth_signed_query(ctx, query)
  data = OAuthProtocol.stringify_keys(query).compact
  data["exp"] = (Time.now.to_i + 600).to_s
  unsigned = URI.encode_www_form(data)
  signature = Crypto.hmac_signature(unsigned, ctx.context.secret, encoding: :base64url)
  "#{unsigned}&#{URI.encode_www_form("sig" => signature)}"
end


712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
# File 'lib/better_auth/plugins/oauth_provider.rb', line 712

def oauth_store_consent(ctx, client, session, scopes)
  client_id = OAuthProtocol.stringify_keys(client)["clientId"]
  user_id = session[:user]["id"]
  existing = ctx.context.adapter.find_one(
    model: "oauthConsent",
    where: [
      {field: "clientId", value: client_id},
      {field: "userId", value: user_id}
    ]
  )
  data = {clientId: client_id, userId: user_id, scopes: scopes}
  if existing
    ctx.context.adapter.update(model: "oauthConsent", where: [{field: "id", value: existing.fetch("id")}], update: data)
  else
    ctx.context.adapter.create(model: "oauthConsent", data: data)
  end
end

.oauth_token_auth_methods(config) ⇒ Object



928
929
930
931
932
# File 'lib/better_auth/plugins/oauth_provider.rb', line 928

def oauth_token_auth_methods(config)
  methods = ["client_secret_basic", "client_secret_post"]
  methods.unshift("none") if config[:allow_unauthenticated_client_registration]
  methods
end

.oauth_token_endpoint(config) ⇒ Object



620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
# File 'lib/better_auth/plugins/oauth_provider.rb', line 620

def oauth_token_endpoint(config)
  Endpoint.new(path: "/oauth2/token", method: "POST", metadata: {allowed_media_types: ["application/x-www-form-urlencoded", "application/json"]}) do |ctx|
    body = OAuthProtocol.stringify_keys(ctx.body)
    client = OAuthProtocol.authenticate_client!(ctx, "oauthClient", store_client_secret: config[:store_client_secret], prefix: config[:prefix])
    client_grants = OAuthProtocol.parse_scopes(OAuthProtocol.stringify_keys(client)["grantTypes"])
    if client_grants.any? && !client_grants.include?(body["grant_type"].to_s)
      raise APIError.new("BAD_REQUEST", message: "unsupported_grant_type")
    end
    audience = oauth_validate_resource!(ctx, config, body)

    response = case body["grant_type"]
    when OAuthProtocol::AUTH_CODE_GRANT
      code = OAuthProtocol.consume_code!(
        config[:store],
        body["code"],
        client_id: body["client_id"],
        redirect_uri: body["redirect_uri"],
        code_verifier: body["code_verifier"]
      )
      OAuthProtocol.issue_tokens(
        ctx,
        config[:store],
        model: "oauthAccessToken",
        client: client,
        session: code[:session],
        scopes: code[:scopes],
        include_refresh: code[:scopes].include?("offline_access") || OAuthProtocol.parse_scopes(OAuthProtocol.stringify_keys(client)["grantTypes"]).include?(OAuthProtocol::REFRESH_GRANT),
        issuer: OAuthProvider.validate_issuer_url(OAuthProtocol.issuer(ctx)),
        prefix: config[:prefix],
        refresh_token_expires_in: config[:refresh_token_expires_in],
        audience: audience,
        grant_type: OAuthProtocol::AUTH_CODE_GRANT,
        custom_token_response_fields: config[:custom_token_response_fields],
        custom_access_token_claims: config[:custom_access_token_claims],
        jwt_access_token: oauth_jwt_access_token?(config, audience),
        pairwise_secret: config[:pairwise_secret],
        nonce: code[:nonce],
        auth_time: code[:auth_time],
        reference_id: code[:reference_id]
      )
    when OAuthProtocol::CLIENT_CREDENTIALS_GRANT
      requested = OAuthProtocol.parse_scopes(body["scope"])
      allowed = OAuthProtocol.parse_scopes(OAuthProtocol.stringify_keys(client)["scopes"] || config[:scopes])
      unless requested.all? { |scope| allowed.include?(scope) }
        raise APIError.new("BAD_REQUEST", message: "invalid_scope")
      end

      OAuthProtocol.issue_tokens(ctx, config[:store], model: "oauthAccessToken", client: client, session: {"user" => {}, "session" => {}}, scopes: requested, include_refresh: false, issuer: OAuthProtocol.issuer(ctx), prefix: config[:prefix], audience: audience, grant_type: OAuthProtocol::CLIENT_CREDENTIALS_GRANT, custom_token_response_fields: config[:custom_token_response_fields], custom_access_token_claims: config[:custom_access_token_claims], jwt_access_token: oauth_jwt_access_token?(config, audience), pairwise_secret: config[:pairwise_secret])
    when OAuthProtocol::REFRESH_GRANT
      OAuthProtocol.refresh_tokens(ctx, config[:store], model: "oauthAccessToken", client: client, refresh_token: body["refresh_token"], scopes: body["scope"], issuer: OAuthProtocol.issuer(ctx), prefix: config[:prefix], refresh_token_expires_in: config[:refresh_token_expires_in], audience: audience, custom_token_response_fields: config[:custom_token_response_fields], custom_access_token_claims: config[:custom_access_token_claims], jwt_access_token: oauth_jwt_access_token?(config, audience), pairwise_secret: config[:pairwise_secret])
    else
      raise APIError.new("BAD_REQUEST", message: "unsupported_grant_type")
    end
    ctx.json(response)
  end
end

.oauth_update_client_endpoint(config) ⇒ Object



275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
# File 'lib/better_auth/plugins/oauth_provider.rb', line 275

def oauth_update_client_endpoint(config)
  Endpoint.new(path: "/oauth2/update-client", method: "POST") do |ctx|
    session = Routes.current_session(ctx)
    oauth_assert_client_privilege!(ctx, config, session, "update")
    body = OAuthProtocol.stringify_keys(ctx.body)
    client = OAuthProtocol.find_client(ctx, "oauthClient", body["client_id"])
    raise APIError.new("NOT_FOUND", message: "client not found") unless client
    oauth_assert_owned_client!(client, session, config)

    update_source = OAuthProtocol.stringify_keys(body["update"] || {})
    update = oauth_client_update_data(update_source)
    updated = update.empty? ? client : ctx.context.adapter.update(model: "oauthClient", where: [{field: "clientId", value: body["client_id"]}], update: update.merge(updatedAt: Time.now))
    ctx.json(OAuthProtocol.client_response(updated, include_secret: false))
  end
end


369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
# File 'lib/better_auth/plugins/oauth_provider.rb', line 369

def oauth_update_consent_endpoint
  Endpoint.new(path: "/oauth2/update-consent", method: "POST") do |ctx|
    session = Routes.current_session(ctx)
    body = OAuthProtocol.stringify_keys(ctx.body)
    id = body["id"]
    consent = if id.to_s.empty?
      oauth_find_user_consent(ctx, session, body["client_id"])
    else
      ctx.context.adapter.find_one(model: "oauthConsent", where: [{field: "id", value: id}])
    end
    raise APIError.new("NOT_FOUND", message: "missing id") if id.to_s.empty? && body["client_id"].to_s.empty?
    raise APIError.new("NOT_FOUND", message: "consent not found") unless consent
    consent_data = OAuthProtocol.stringify_keys(consent)
    raise APIError.new("UNAUTHORIZED") unless consent_data["userId"] == session[:user]["id"]

    client = OAuthProtocol.find_client(ctx, "oauthClient", consent_data["clientId"])
    allowed = OAuthProtocol.parse_scopes(OAuthProtocol.stringify_keys(client || {})["scopes"])
    scopes = OAuthProtocol.parse_scopes(OAuthProtocol.stringify_keys(body["update"] || {})["scopes"] || body["scope"] || body["scopes"])
    unless scopes.all? { |scope| allowed.include?(scope) }
      raise APIError.new("BAD_REQUEST", message: "invalid_scope")
    end

    updated = ctx.context.adapter.update(
      model: "oauthConsent",
      where: [{field: "id", value: consent_data["id"]}],
      update: {scopes: scopes, updatedAt: Time.now}
    )
    ctx.json(oauth_consent_response(updated))
  end
end

.oauth_userinfo_endpoint(config) ⇒ Object



762
763
764
765
766
# File 'lib/better_auth/plugins/oauth_provider.rb', line 762

def oauth_userinfo_endpoint(config)
  Endpoint.new(path: "/oauth2/userinfo", method: "GET") do |ctx|
    ctx.json(OAuthProtocol.userinfo(config[:store], ctx.headers["authorization"], additional_claim: config[:custom_user_info_claims] || config[:additional_claim], prefix: config[:prefix]))
  end
end

.oauth_validate_resource!(ctx, config, body) ⇒ Object



947
948
949
950
951
952
953
954
955
956
957
958
# File 'lib/better_auth/plugins/oauth_provider.rb', line 947

def oauth_validate_resource!(ctx, config, body)
  resources = Array(body["resource"]).compact.map(&:to_s)
  return nil if resources.empty?

  valid = Array(config[:valid_audiences]).map(&:to_s)
  return (resources.length == 1) ? resources.first : resources if valid.empty?

  resources.each do |resource|
    raise APIError.new("BAD_REQUEST", message: "requested resource invalid") unless valid.include?(resource)
  end
  (resources.length == 1) ? resources.first : resources
end

.oauth_verified_query!(ctx, oauth_query) ⇒ Object

Raises:

  • (APIError)


552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
# File 'lib/better_auth/plugins/oauth_provider.rb', line 552

def oauth_verified_query!(ctx, oauth_query)
  raise APIError.new("BAD_REQUEST", message: "missing oauth query") if oauth_query.to_s.empty?

  pairs = URI.decode_www_form(oauth_query.to_s)
  signature = pairs.reverse_each.find { |key, _value| key == "sig" }&.last
  unsigned_pairs = pairs.filter_map { |key, value| [key, value] unless key == "sig" }
  unsigned = URI.encode_www_form(unsigned_pairs)
  exp = unsigned_pairs.reverse_each.find { |key, _value| key == "exp" }&.last.to_i
  unless signature && exp >= Time.now.to_i && Crypto.verify_hmac_signature(unsigned, signature, ctx.context.secret, encoding: :base64url)
    raise APIError.new("BAD_REQUEST", message: "invalid oauth query")
  end

  unsigned_pairs.each_with_object({}) do |(key, value), result|
    next if key == "exp"

    result[key] = if result.key?(key)
      Array(result[key]) << value
    else
      value
    end
  end
end