pfaffman
(Jay Pfaffman)
2월 20, 2020, 5:21오후
1
Started POST "/u/create_second_factor_totp.json" for 209.249.35.130 at 2020-02-19 14:21:20 +0000
Processing by UsersController#create_second_factor_totp as JSON
Completed 500 Internal Server Error in 5ms (ActiveRecord: 0.0ms | Allocations: 1781)
Addressable::URI::InvalidURIError (Invalid scheme format: Our Great Forum)
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/addressable-2.7.0/lib/addressable/uri.rb:901:in `scheme='
Rendering text template
Rendered text template (Duration: 0.0ms | Allocations: 1)
"Our Great Forum"은 시스템 설정의 포럼 제목과 거의 일치합니다. 실제 값은 "Our Great Forum: Our fine tagline"과 같은 형태이므로, 로그에 표시된 내용은 콜론 이전 부분만입니다. 시스템 설정의 다른 곳에서 "Out Great Forum"을 찾을 수 없어, 로그에 : tagline 부분이 없이 그렇게 표시되는 이유가 무엇인지 혼란스럽습니다.
아쉬운 일입니다. 현재 버전은 2.4.0.beta10 (6301477b4c)입니다. 업그레이드한 후 사용자에게 다시 시도하도록 요청할 것입니다. 사용자가 최신 버전에서 다시 시도할 수 있게 되면 이 내용을 수정하겠습니다.
2개의 좋아요
RGJ
(Richard - Communiteq)
2월 20, 2020, 5:25오후
2
/logs의 백트레이스에서 무엇을 알 수 있나요?
pfaffman
(Jay Pfaffman)
2월 20, 2020, 5:33오후
3
로그에서 내가 보는 건 그뿐입니다. 백트레이스는 보이지 않아요. 다만 ‘토큰 기반 인증기’ 섹션에서 '새 인증기’를 클릭하는 것만으로 바로 오류가 발생합니다.
최근 업데이트 후에도 동일한 문제입니다.
와, 뭔가 문제가 있는 것 같습니다.
클라이언트 문제인지 서버 문제인지 확인해볼 수 있도록, 요청을 curl 명령으로 복사해서 여기에 올려주시겠어요? (개인정보, 토큰, nonce 등은 마스킹 처리해 주세요.)
5개의 좋아요
최신 버전에서 제목에 콜론 앞에 공백이 있으면 실패가 발생한다는 것을 확인했습니다:
SiteSetting.title = "It's Spaceballs: The Discourse"로 설정하면 다음을 클릭할 때 오류가 발생합니다:
Addressable::URI::InvalidURIError in UsersController#create_second_factor_totp
Invalid scheme format: It's Spaceballs
Extracted source (around line #901):
#899 end
#900 if new_scheme && new_scheme !~ /\A[a-z][a-z0-9\.\+\-]*\z/i
*901 raise InvalidURIError, "Invalid scheme format: #{new_scheme}"
#902 end
#903 @scheme = new_scheme
#904 @scheme = nil if @scheme.to_s.strip.empty?
Extracted source (around line #826):
#824 # Bunch of crazy logic required because of the composite components
#825 # like userinfo and authority.
*826 self.scheme = options[:scheme] if options[:scheme]
#827 self.user = options[:user] if options[:user]
#828 self.password = options[:password] if options[:password]
#829 self.userinfo = options[:userinfo] if options[:userinfo]
Extracted source (around line #2392):
#2390 raise LocalJumpError, "No block given." unless block_given?
#2391 @validation_deferred = true
*2392 yield
#2393 @validation_deferred = false
#2394 validate
#2395 return nil
Rails.root: /home/michael/prog/Discourse/discourse
Application Trace
app/models/concerns/second_factor_manager.rb:27:in `totp_provisioning_uri'
app/controllers/users_controller.rb:1148:in `create_second_factor_totp'
lib/middleware/omniauth_bypass_middleware.rb:68:in `call'
lib/content_security_policy/middleware.rb:12:in `call'
config/initializers/100-quiet_logger.rb:18:in `call'
config/initializers/100-silence_logger.rb:31:in `call'
lib/middleware/missing_avatars.rb:23:in `call'
lib/middleware/turbo_dev.rb:34:in `call'
Framework Trace
addressable (2.7.0) lib/addressable/uri.rb:901:in `scheme='
addressable (2.7.0) lib/addressable/uri.rb:826:in `block in initialize'
addressable (2.7.0) lib/addressable/uri.rb:2392:in `defer_validation'
addressable (2.7.0) lib/addressable/uri.rb:823:in `initialize'
addressable (2.7.0) lib/addressable/uri.rb:138:in `new'
addressable (2.7.0) lib/addressable/uri.rb:138:in `parse'
addressable (2.7.0) lib/addressable/uri.rb:607:in `encode'
rotp (5.1.0) lib/rotp/totp.rb:61:in `provisioning_uri'
actionpack (6.0.1) lib/action_controller/metal/basic_implicit_render.rb:6:in `send_action'
actionpack (6.0.1) lib/abstract_controller/base.rb:196:in `process_action'
actionpack (6.0.1) lib/action_controller/metal/rendering.rb:30:in `process_action'
actionpack (6.0.1) lib/abstract_controller/callbacks.rb:42:in `block in process_action'
activesupport (6.0.1) lib/active_support/callbacks.rb:135:in `run_callbacks'
actionpack (6.0.1) lib/abstract_controller/callbacks.rb:41:in `process_action'
actionpack (6.0.1) lib/action_controller/metal/rescue.rb:22:in `process_action'
actionpack (6.0.1) lib/action_controller/metal/instrumentation.rb:33:in `block in process_action'
activesupport (6.0.1) lib/active_support/notifications.rb:180:in `block in instrument'
activesupport (6.0.1) lib/active_support/notifications/instrumenter.rb:24:in `instrument'
activesupport (6.0.1) lib/active_support/notifications.rb:180:in `instrument'
actionpack (6.0.1) lib/action_controller/metal/instrumentation.rb:32:in `process_action'
actionpack (6.0.1) lib/action_controller/metal/params_wrapper.rb:245:in `process_action'
activerecord (6.0.1) lib/active_record/railties/controller_runtime.rb:27:in `process_action'
actionpack (6.0.1) lib/abstract_controller/base.rb:136:in `process'
actionview (6.0.1) lib/action_view/rendering.rb:39:in `process'
rack-mini-profiler (1.1.6) lib/mini_profiler/profiling_methods.rb:104:in `block in profile_method'
actionpack (6.0.1) lib/action_controller/metal.rb:191:in `dispatch'
actionpack (6.0.1) lib/action_controller/metal.rb:252:in `dispatch'
actionpack (6.0.1) lib/action_dispatch/routing/route_set.rb:51:in `dispatch'
actionpack (6.0.1) lib/action_dispatch/routing/route_set.rb:33:in `serve'
actionpack (6.0.1) lib/action_dispatch/journey/router.rb:49:in `block in serve'
actionpack (6.0.1) lib/action_dispatch/journey/router.rb:32:in `each'
actionpack (6.0.1) lib/action_dispatch/journey/router.rb:32:in `serve'
actionpack (6.0.1) lib/action_dispatch/routing/route_set.rb:837:in `call'
rack (2.0.8) lib/rack/tempfile_reaper.rb:15:in `call'
rack (2.0.8) lib/rack/conditional_get.rb:38:in `call'
rack (2.0.8) lib/rack/head.rb:12:in `call'
rack (2.0.8) lib/rack/session/abstract/id.rb:259:in `context'
rack (2.0.8) lib/rack/session/abstract/id.rb:253:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/cookies.rb:648:in `call'
activerecord (6.0.1) lib/active_record/migration.rb:567:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/callbacks.rb:27:in `block in call'
activesupport (6.0.1) lib/active_support/callbacks.rb:101:in `run_callbacks'
actionpack (6.0.1) lib/action_dispatch/middleware/callbacks.rb:26:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/executor.rb:14:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/actionable_exceptions.rb:17:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/debug_exceptions.rb:32:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
logster (2.6.3) lib/logster/middleware/reporter.rb:43:in `call'
railties (6.0.1) lib/rails/rack/logger.rb:38:in `call_app'
railties (6.0.1) lib/rails/rack/logger.rb:28:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/request_id.rb:27:in `call'
rack (2.0.8) lib/rack/method_override.rb:22:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/executor.rb:14:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/static.rb:126:in `call'
rack (2.0.8) lib/rack/sendfile.rb:111:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/host_authorization.rb:83:in `call'
rack-mini-profiler (1.1.6) lib/mini_profiler/profiler.rb:296:in `call'
message_bus (2.2.3) lib/message_bus/rack/middleware.rb:57:in `call'
railties (6.0.1) lib/rails/engine.rb:526:in `call'
railties (6.0.1) lib/rails/railtie.rb:190:in `public_send'
railties (6.0.1) lib/rails/railtie.rb:190:in `method_missing'
rack (2.0.8) lib/rack/urlmap.rb:68:in `block in call'
rack (2.0.8) lib/rack/urlmap.rb:53:in `each'
rack (2.0.8) lib/rack/urlmap.rb:53:in `call'
unicorn (5.5.3) lib/unicorn/http_server.rb:605:in `process_client'
unicorn (5.5.3) lib/unicorn/http_server.rb:700:in `worker_loop'
unicorn (5.5.3) lib/unicorn/http_server.rb:548:in `spawn_missing_workers'
unicorn (5.5.3) lib/unicorn/http_server.rb:144:in `start'
unicorn (5.5.3) bin/unicorn:128:in `<top (required)>'
bin/unicorn:87:in `load'
bin/unicorn:87:in `block in <main>'
bin/unicorn:86:in `fork'
bin/unicorn:86:in `<main>'
Full Trace
addressable (2.7.0) lib/addressable/uri.rb:901:in `scheme='
addressable (2.7.0) lib/addressable/uri.rb:826:in `block in initialize'
addressable (2.7.0) lib/addressable/uri.rb:2392:in `defer_validation'
addressable (2.7.0) lib/addressable/uri.rb:823:in `initialize'
addressable (2.7.0) lib/addressable/uri.rb:138:in `new'
addressable (2.7.0) lib/addressable/uri.rb:138:in `parse'
addressable (2.7.0) lib/addressable/uri.rb:607:in `encode'
rotp (5.1.0) lib/rotp/totp.rb:61:in `provisioning_uri'
app/models/concerns/second_factor_manager.rb:27:in `totp_provisioning_uri'
app/controllers/users_controller.rb:1148:in `create_second_factor_totp'
actionpack (6.0.1) lib/action_controller/metal/basic_implicit_render.rb:6:in `send_action'
actionpack (6.0.1) lib/abstract_controller/base.rb:196:in `process_action'
actionpack (6.0.1) lib/action_controller/metal/rendering.rb:30:in `process_action'
actionpack (6.0.1) lib/abstract_controller/callbacks.rb:42:in `block in process_action'
activesupport (6.0.1) lib/active_support/callbacks.rb:135:in `run_callbacks'
actionpack (6.0.1) lib/abstract_controller/callbacks.rb:41:in `process_action'
actionpack (6.0.1) lib/action_controller/metal/rescue.rb:22:in `process_action'
actionpack (6.0.1) lib/action_controller/metal/instrumentation.rb:33:in `block in process_action'
activesupport (6.0.1) lib/active_support/notifications.rb:180:in `block in instrument'
activesupport (6.0.1) lib/active_support/notifications/instrumenter.rb:24:in `instrument'
activesupport (6.0.1) lib/active_support/notifications.rb:180:in `instrument'
actionpack (6.0.1) lib/action_controller/metal/instrumentation.rb:32:in `process_action'
actionpack (6.0.1) lib/action_controller/metal/params_wrapper.rb:245:in `process_action'
activerecord (6.0.1) lib/active_record/railties/controller_runtime.rb:27:in `process_action'
actionpack (6.0.1) lib/abstract_controller/base.rb:136:in `process'
actionview (6.0.1) lib/action_view/rendering.rb:39:in `process'
rack-mini-profiler (1.1.6) lib/mini_profiler/profiling_methods.rb:104:in `block in profile_method'
actionpack (6.0.1) lib/action_controller/metal.rb:191:in `dispatch'
actionpack (6.0.1) lib/action_controller/metal.rb:252:in `dispatch'
actionpack (6.0.1) lib/action_dispatch/routing/route_set.rb:51:in `dispatch'
actionpack (6.0.1) lib/action_dispatch/routing/route_set.rb:33:in `serve'
actionpack (6.0.1) lib/action_dispatch/journey/router.rb:49:in `block in serve'
actionpack (6.0.1) lib/action_dispatch/journey/router.rb:32:in `each'
actionpack (6.0.1) lib/action_dispatch/journey/router.rb:32:in `serve'
actionpack (6.0.1) lib/action_dispatch/routing/route_set.rb:837:in `call'
lib/middleware/omniauth_bypass_middleware.rb:68:in `call'
rack (2.0.8) lib/rack/tempfile_reaper.rb:15:in `call'
rack (2.0.8) lib/rack/conditional_get.rb:38:in `call'
rack (2.0.8) lib/rack/head.rb:12:in `call'
lib/content_security_policy/middleware.rb:12:in `call'
rack (2.0.8) lib/rack/session/abstract/id.rb:259:in `context'
rack (2.0.8) lib/rack/session/abstract/id.rb:253:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/cookies.rb:648:in `call'
activerecord (6.0.1) lib/active_record/migration.rb:567:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/callbacks.rb:27:in `block in call'
activesupport (6.0.1) lib/active_support/callbacks.rb:101:in `run_callbacks'
actionpack (6.0.1) lib/action_dispatch/middleware/callbacks.rb:26:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/executor.rb:14:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/actionable_exceptions.rb:17:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/debug_exceptions.rb:32:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
logster (2.6.3) lib/logster/middleware/reporter.rb:43:in `call'
railties (6.0.1) lib/rails/rack/logger.rb:38:in `call_app'
railties (6.0.1) lib/rails/rack/logger.rb:28:in `call'
config/initializers/100-quiet_logger.rb:18:in `call'
config/initializers/100-silence_logger.rb:31:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/request_id.rb:27:in `call'
rack (2.0.8) lib/rack/method_override.rb:22:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/executor.rb:14:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/static.rb:126:in `call'
rack (2.0.8) lib/rack/sendfile.rb:111:in `call'
actionpack (6.0.1) lib/action_dispatch/middleware/host_authorization.rb:83:in `call'
lib/middleware/missing_avatars.rb:23:in `call'
lib/middleware/turbo_dev.rb:34:in `call'
rack-mini-profiler (1.1.6) lib/mini_profiler/profiler.rb:296:in `call'
message_bus (2.2.3) lib/message_bus/rack/middleware.rb:57:in `call'
railties (6.0.1) lib/rails/engine.rb:526:in `call'
railties (6.0.1) lib/rails/railtie.rb:190:in `public_send'
railties (6.0.1) lib/rails/railtie.rb:190:in `method_missing'
rack (2.0.8) lib/rack/urlmap.rb:68:in `block in call'
rack (2.0.8) lib/rack/urlmap.rb:53:in `each'
rack (2.0.8) lib/rack/urlmap.rb:53:in `call'
unicorn (5.5.3) lib/unicorn/http_server.rb:605:in `process_client'
unicorn (5.5.3) lib/unicorn/http_server.rb:700:in `worker_loop'
unicorn (5.5.3) lib/unicorn/http_server.rb:548:in `spawn_missing_workers'
unicorn (5.5.3) lib/unicorn/http_server.rb:144:in `start'
unicorn (5.5.3) bin/unicorn:128:in `<top (required)>'
bin/unicorn:87:in `load'
bin/unicorn:87:in `block in <main>'
bin/unicorn:86:in `fork'
bin/unicorn:86:in `<main>'
Request parameters
{"format"=>"json"}
Session dump
_csrf_token: "lk/NmJ0SlnTWvQ3HeeP22fzMicKdW/pPwzlLgi0tgY="
secure_session_id: "a16cc4e497b750f5bb1a310612427e54"
session_id: "4f2f8c8f2610c51914ff03a8e3e5f053"
Env dump
HTTP_ACCEPT: "*/*"
HTTP_ACCEPT_ENCODING: "gzip, deflate, br"
HTTP_ACCEPT_LANGUAGE: "en-GB,en-US;q=0.9,en;q=0.8,fr-CA;q=0.7,fr;q=0.6"
HTTP_ORIGIN: "http://localhost:3000"
HTTP_VERSION: "HTTP/1.1"
HTTP_X_CSRF_TOKEN: "Sv2Q7IKSgtoO7bd4aApBiX/qyGqJHknnTjncA9yNMzaevU0MGI5HHlIx/3hS65tsO01xqmnLc15RFuUa0TsEsA=="
ORIGINAL_SCRIPT_NAME: ""
REMOTE_ADDR: "127.0.0.1"
SERVER_NAME: "localhost"
SERVER_PROTOCOL: "HTTP/1.1"
Response headers
None
실패하는 스펙입니다:
diff --git a/spec/components/concern/second_factor_manager_spec.rb b/spec/components/concern/second_factor_manager_spec.rb
index 36e4f066ce..a657a0fdc8 100644
--- a/spec/components/concern/second_factor_manager_spec.rb
+++ b/spec/components/concern/second_factor_manager_spec.rb
@@ -47,6 +47,18 @@ RSpec.describe SecondFactorManager do
"otpauth://totp/#{SiteSetting.title}:#{user.email}?secret=#{user_second_factor_totp.data}&issuer=#{SiteSetting.title}"
)
end
+ it 'should handle a colon in the site title' do
+ SiteSetting.title = 'Spaceballs: The Discourse'
+ expect(user.user_second_factors.totps.first.totp_provisioning_uri).to eq(
+ "otpauth://totp/#{URI::escape SiteSetting.title}:#{user.email}?secret=#{user_second_factor_totp.data}&issuer=#{CGI::escape SiteSetting.title}"
+ )
+ end
+ it 'should handle a space before a colon in the site title' do
+ SiteSetting.title = 'Our Spaceballs: The Discourse'
+ expect(user.user_second_factors.totps.first.totp_provisioning_uri).to eq(
+ "otpauth://totp/#{URI::escape SiteSetting.title}:#{user.email}?secret=#{user_second_factor_totp.data}&issuer=#{CGI::escape SiteSetting.title}"
+ )
+ end
end
describe '#authenticate_totp' do
→ RAILS_ENV=test rspec ./spec/components/concern/second_factor_manager_spec.rb
Randomized with seed 47333
...................F......................
Failures:
1) SecondFactorManager#totp_provisioning_uri should handle a space before a colon in the site title
Failure/Error: totp_object.provisioning_uri(user.email)
Addressable::URI::InvalidURIError:
Invalid scheme format: Our Spaceballs
# /home/michael/.rvm/gems/ruby-2.6.3/gems/addressable-2.7.0/lib/addressable/uri.rb:901:in `scheme='
# /home/michael/.rvm/gems/ruby-2.6.3/gems/addressable-2.7.0/lib/addressable/uri.rb:826:in `block in initialize'
# /home/michael/.rvm/gems/ruby-2.6.3/gems/addressable-2.7.0/lib/addressable/uri.rb:2392:in `defer_validation'
# /home/michael/.rvm/gems/ruby-2.6.3/gems/addressable-2.7.0/lib/addressable/uri.rb:823:in `initialize'
# /home/michael/.rvm/gems/ruby-2.6.3/gems/addressable-2.7.0/lib/addressable/uri.rb:138:in `new'
# /home/michael/.rvm/gems/ruby-2.6.3/gems/addressable-2.7.0/lib/addressable/uri.rb:138:in `parse'
# /home/michael/.rvm/gems/ruby-2.6.3/gems/addressable-2.7.0/lib/addressable/uri.rb:607:in `encode'
# /home/michael/.rvm/gems/ruby-2.6.3/gems/rotp-5.1.0/lib/rotp/totp.rb:61:in `provisioning_uri'
# ./app/models/user_second_factor.rb:32:in `totp_provisioning_uri'
# ./spec/components/concern/second_factor_manager_spec.rb:58:in `block (3 levels) in <top (required)>'
Finished in 0.75471 seconds (files took 2.18 seconds to load)
42 examples, 1 failure
Failed examples:
rspec ./spec/components/concern/second_factor_manager_spec.rb:56 # SecondFactorManager#totp_provisioning_uri should handle a space before a colon in the site title
Randomized with seed 47333
5개의 좋아요
발급자를 변경하면 토큰 값이 변경되지만, 이제 콜론에 대해 완전히 깨져 있었으므로 새로 도입하는 사용자에게는 문제가 되지 않아야 합니다.
콜론이 포함된 제목(예: Spaceballs: The Discourse)은 이전에 정상적으로 작동했습니다(저는 정상적으로 작동했고, 휴대폰에 추가할 수 있었습니다). 그러나 콜론 앞에 두 단어가 있는 경우 실패했습니다.
(보고서에 명확하지 않았던 점 죄송합니다)
3개의 좋아요
eviltrout
(Robin Ward)
2월 20, 2020, 10:49오후
9
이상하네, 그 둘은 테스트에서 실패했다고 확신했는데. 어쨌든 이 방식이 더 나은 접근법이야.
4개의 좋아요
사이트에 모든 문제가 해결되었는지 확인해 주시겠습니까?
2개의 좋아요
pfaffman
(Jay Pfaffman)
2월 21, 2020, 5:16오후
12
불만을 제기했던 사용자에게는 작동하는지 확인을 받지 못했지만, 내 환경에서는 작동했습니다.
다만, 이해가 안 되는 점은 다음과 같습니다.
제목에 :가 포함된 경우 항상 깨져 있었다는 점
사이트 제목이 변경되면 인증기(authenticator)가 깨진다는 점 (사이트 제목에 종속되어 있기 때문)
SiteSettings.title은 오랫동안 변경되지 않았다는 점
UserSecondFactor.where(method: 1)은 지난 8월에 생성된 수많은 엔트리를 반환한다는 점
이 모든 것이 동시에 참일 수 있는지 이해가 되지 않습니다. 사이트 제목을 변경하면 기존 인증기 UserSecondFactor가 모두 깨지는 건가요? 수정: 아닙니다. 방금 제목을 변경했는데 어제 만든 인증기 2FA는 여전히 작동합니다.
: 앞에 단어가 여러 개인 경우에만 해당됩니다.
pfaffman:
사이트 제목이 변경되면 인증기가 깨집니다
새로운 TOTP 인증기를 추가 하는 과정만 깨져 있었습니다 깨져 있었습니다.
2개의 좋아요
pfaffman
(Jay Pfaffman)
2월 21, 2020, 5:49오후
14
글쎄, 제목이 예전부터 여러 단어와 콜론을 포함하고 있었으며(적어도 2019년 5월 이후 로지에 변경 사항이 없음), 지난 8월까지는 정상적으로 작동했다는 사실에는 꽤 확신이 있습니다(당시에 생성된 인증 토큰이 존재하기 때문이죠). 하지만 어쨌든 지금은 작동하는 것 같고, 제목을 변경해도 기존 토큰이 깨지지 않는 것으로 보이니 이 정도면 성공이라고 할 수 있겠네요.
빠른 수정 감사합니다!
5개의 좋아요
j.jaffeux
(Joffrey Jaffeux)
에 닫힘
2월 23, 2020, 5:49오후
15
이 주제는 마지막 답변 후 2일 자동으로 닫혔습니다. 더 이상 새로운 답변을 게시할 수 없습니다.