<p>ํ‚ค ํด๋กœํ‚น์„ ์‚ฌ์šฉํ•  ๋•Œ ๋น›๋‚˜ํ”„๋ก์‹œ๊ฐ€ ์ž˜๋ชป๋œ ๋ฆฌ๋””๋ ‰์…˜ URI๋ฅผ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค.</p>

์— ๋งŒ๋“  2020๋…„ 06์›” 19์ผ  ยท  16์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: openanalytics/shinyproxy

์•ˆ๋…•ํ•˜์„ธ์š”,

๋‚ด ์„ค์ •์€ ์ด๋ ‡์Šต๋‹ˆ๋‹ค.

Shinyproxy๋Š” ์ด๋ฆ„์ด shiny-proxy์ธ ๋„์ปค ์ปจํ…Œ์ด๋„ˆ์—์„œ ์‹คํ–‰๋ฉ๋‹ˆ๋‹ค.

apache httpd ์—ญ๋ฐฉํ–ฅ ํ”„๋ก์‹œ๋Š” shinyproxy๋ณด๋‹ค ๋จผ์ € ์‹คํ–‰๋˜์–ด https๋กœ ๋ณ€ํ™˜ํ•˜๊ณ  ํฌํŠธ 2443์„ ์‚ฌ์šฉํ•˜์—ฌ ํ˜ธ์ŠคํŠธ์—์„œ ์‹คํ–‰๋ฉ๋‹ˆ๋‹ค.
keycloak์€ ๋„์ปค ์ปจํ…Œ์ด๋„ˆ์—์„œ๋„ ์‹คํ–‰๋˜์ง€๋งŒ ํฌํŠธ๋Š” 8443์œผ๋กœ ํ˜ธ์ŠคํŠธ์—์„œ ์—ด๋ ค ์žˆ์Šต๋‹ˆ๋‹ค.

์„ค์ •, application.xml

 keycloak:
    realm: shiny
    auth-server-url: https://keycloak:8443/auth
    #ssl-required: none
    ssl-required: external
    confidential-port: 2443
    verify-token-audience: true
    resource: shiny-proxy-p1
    credentials-secret: xxxxxxxxxxxx

์•„ํŒŒ์น˜ ์—ญ ํ”„๋ก์‹œ ๊ตฌ์„ฑ

<VirtualHost *:2443>
  SSLEngine on
  SSLCertificateFile    /etc/apache2/ssl/server-cert.pem
  SSLCertificateKeyFile /etc/apache2/ssl/server-cert.key
  #   Server Certificate Chain:
  #   Point SSLCertificateChainFile at a file containing the
  #   concatenation of PEM encoded CA certificates which form the
  #   certificate chain for the server certificate. Alternatively
  #   the referenced file can be the same as SSLCertificateFile
  #   when the CA certificates are directly appended to the server
  #   certificate for convinience.
  SSLCertificateChainFile /etc/apache2/ssl/server-ca.crt


  <Proxy *>
    Allow from *
  </Proxy>

  RewriteEngine on
 RewriteCond %{HTTP:Upgrade} =websocket
 RewriteRule /(.*) ws://shiny-proxy:8080/$1 [P,L]
 RewriteCond %{HTTP:Upgrade} !=websocket
 RewriteRule /(.*) http://shiny-proxy:8080/$1 [P,L]
 ProxyPass / http://shiny-proxy:8080/
 ProxyPassReverse / http://shiny-proxy:8080/
 ProxyRequests Off

 ErrorLog ${APACHE_LOG_DIR}/proxy_error.log
 CustomLog ${APACHE_LOG_DIR}/proxy_access.log combined

</VirtualHost>

URL์ด https://lxsqlpocnd04 :2443/์ธ Apache๋ฅผ ํ†ตํ•ด Shinyprox์— ์•ก์„ธ์Šคํ•  ๋•Œ๋ฅผ ๊ฐ€์ •ํ•ด ๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค.
๋กœ๊ทธ์ธ ํŽ˜์ด์ง€๋กœ ๋ฆฌ๋””๋ ‰์…˜๋˜๊ณ  ๋กœ๊ทธ์ธ ํŽ˜์ด์ง€ ๋ฆฌ๋””๋ ‰์…˜ ์š”์ฒญ์€ Keycloak ํ˜ธ์ŠคํŠธ lxsqlpocnd04 ๋ฐ ํฌํŠธ 8443์œผ๋กœ ๋ฆฌ๋””๋ ‰์…˜๋ฉ๋‹ˆ๋‹ค. ํ•ด๋‹น URL์—๋Š” redirect_uri๊ฐ€ ํฌํ•จ๋œ ์ฟผ๋ฆฌ ๋ฌธ์ž์—ด์ด ์žˆ์ง€๋งŒ ์˜ˆ์ƒํ•œ ๊ฒƒ์ด ์•„๋‹™๋‹ˆ๋‹ค.

URL์€ ์ด๋ ‡์Šต๋‹ˆ๋‹ค
https://lxsqlpocnd04 :8443/auth/realms/shiny/protocol/openid-connect/auth?response_type=code&client_id=shiny-proxy-p1&redirect_uri=http%3A%2F%2Fshiny-proxy%3A8080%2Fsso%2Flogin&state= e6a9-4768-8cf8-39d77500fea3&login=true&scope=openid

๊ทธ๋ฆฌ๊ณ  redirect_uri๋Š” https://lxsqlpocnd04 :2443/sso/login์ด ์•„๋‹Œ http://shiny-proxy :8080/sso/login์ž…๋‹ˆ๋‹ค.

๋ˆ„๊ตฐ๊ฐ€ ๋„์šธ ์ˆ˜ ์žˆ์Šต๋‹ˆ๊นŒ?

๊ฐ์‚ฌ,

๋‚จ์ž ์ด๋ฆ„

question

๋ชจ๋“  16 ๋Œ“๊ธ€

application.yml์—์„œ ์„ค์ •ํ•˜์…จ๋‚˜์š”?

server:
  useForwardHeaders: true

์—ฌ๊ธฐ์—์„œ: https://www.shinyproxy.io/security/#https -ssl-tls

Apache๊ฐ€ ๋ฌด์—‡์ธ์ง€ ํ™•์‹คํ•˜์ง€ ์•Š์ง€๋งŒ nginx์—์„œ๋Š” ์ด๊ฒƒ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋Š” ๊ฒƒ์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

    proxy_set_header  Host    $http_host;

@aiham ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.

๋‚˜๋Š” ๊ทธ๊ฒƒ์„ ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค. useForwardHeaders: true๊ฐ€ ๋ˆ„๋ฝ๋˜์—ˆ๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.

im using useForwardHeaders: true์ด์ง€๋งŒ ์—ฌ์ „ํžˆ ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

@danielfm123

im using useForwardHeaders: true์ด์ง€๋งŒ ์—ฌ์ „ํžˆ ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

SSL ์ธ์ฆ์„œ์™€ ๊ด€๋ จ๋œ ๋˜ ๋‹ค๋ฅธ ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ์Šต๋‹ˆ๋‹ค. Keycloak์— ์„ค์น˜๋œ ์ธ์ฆ์„œ๊ฐ€ ๊ณต๊ฐœ์ ์œผ๋กœ ์‹ ๋ขฐํ•  ์ˆ˜ ์—†๋Š” ๊ฒฝ์šฐ(๋ฃจํŠธ ๋ฐ ์ค‘๊ฐ„ CA๊ฐ€ Java์˜ ๊ธฐ๋ณธ ์‹ ๋ขฐ ๋ชฉ๋ก์— ์—†์Œ) JRE ๊ธฐ๋ณธ ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ๋Š” CA์— ์ถ”๊ฐ€ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. JRE๋Š” Shinyproxy๋ฅผ ์‹คํ–‰ํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.

๊ธฐ๋ณธ ์œ„์น˜๋Š” JAVA_HOME---> JRE -->lib---> security--> cacerts JAVA_HOME---> JRE -->lib---> security--> cacerts์ž…๋‹ˆ๋‹ค.

์ด๋Ÿฐ ์‹์œผ๋กœ ๊ฐ€์ ธ ์˜ค๊ธฐ ๋ช…๋ น.

keytool -import -noprompt -alias -your-root -file /opt/jboss/your-root.crt -keystore /etc/pki/java/cacerts -storepass changeit

๋‚˜๋Š” ๊ทธ๊ฒƒ์„ํ–ˆ์ง€๋งŒ ์ž‘๋™ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๋‚˜๋Š” 2.4.1 ๋Œ€์‹ ์— shinyproxy 2.3.1์„ ์‹œ๋„ํ–ˆ๊ณ  ๊ทธ๊ฒƒ์€ ์˜ฌ๋ฐ”๋ฅธ redirect_uri๋ฅผ ๋ณด๋‚ด์ง€๋งŒ ์ผ๋ถ€ ๋ธŒ๋ผ์šฐ์ €์—์„œ๋งŒ ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค. ๋‚˜๋จธ์ง€์—์„œ๋Š” err_too_many_redirects๋ฅผ ์–ป์Šต๋‹ˆ๋‹ค.

๊ท€ํ•˜์˜ ์ธ์ฆ์„œ๋Š” ๊ณต๊ฐœ์ ์œผ๋กœ ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๊นŒ? ํ…Œ์ŠคํŠธ ๋‹จ๊ณ„์—์„œ ์ธ์ฆ์„œ๊ฐ€ ๊ณต๊ฐœ์ ์œผ๋กœ ์‹ ๋ขฐํ•  ์ˆ˜ ์—†๋Š” ๋ฌธ์ œ์— ์ง๋ฉดํ–ˆ์Šต๋‹ˆ๋‹ค. ๋ฃจํŠธ CA ๋ฐ ์ค‘๊ฐ„ CA๋ฅผ ๋ธŒ๋ผ์šฐ์ € ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ๋Š” ์ €์žฅ์†Œ๋กœ ๊ฐ€์ ธ์™€์•ผ ํ•ฉ๋‹ˆ๋‹ค. ๊ฐ ๋ธŒ๋ผ์šฐ์ €๋Š” ๋‹ค๋ฅด๋ฉฐ OS ๋ฐ ๋ธŒ๋ผ์šฐ์ €์— ๋”ฐ๋ผ ๋‹ค๋ฆ…๋‹ˆ๋‹ค. ์ œ ๊ฒฝ์šฐ์—๋Š” Certs๋ฅผ ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ๋Š” ์˜์—ญ์œผ๋กœ ๊ฐ€์ ธ์˜จ ํ›„ Windows๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์œผ๋ฉฐ ๊ทธ ํ›„์— IE์™€ Chrome ๋ชจ๋‘ ์ œ๋Œ€๋กœ ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค.

์—ฌ๊ธฐ ๋‚ด ์ œ์•ˆ์ด ์žˆ์Šต๋‹ˆ๋‹ค.

  1. ํ…Œ์ŠคํŠธ ๋‹จ๊ณ„์—์„œ ํ•˜๋‚˜์˜ ๋ธŒ๋ผ์šฐ์ €๊ฐ€ ์ž‘๋™ํ•˜๋Š” ํ•œ ์ถฉ๋ถ„ํ•ฉ๋‹ˆ๋‹ค.
  2. ํ”„๋กœ๋•์…˜ ๋ฐฐํฌ์˜ ๊ฒฝ์šฐ Shinyproxy ๋ฐ keycloak ์ „์— ๋ณด์•ˆ ์›น ํ”„๋ก์‹œ๋ฅผ ์ถ”๊ฐ€ํ•˜์‹ญ์‹œ์˜ค. ์›น ํ”„๋ก์‹œ์˜ SSL์„ ์‚ฌ์šฉํ•˜๊ณ  ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ๋Š” ๊ณต๊ฐœ ์ธ์ฆ์„œ๋ฅผ ์‚ฌ์šฉํ•˜๋„๋ก ๊ตฌ์„ฑํ•ฉ๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ ๋” ๋‚˜์€ ๋ณด์•ˆ ๋ฐฐํฌ ๊ตฌ์กฐ์ž…๋‹ˆ๋‹ค. ์กฐ์ง์— ํ•˜๋“œ์›จ์–ด ๋ณด์•ˆ ์›น ํ”„๋ก์‹œ๊ฐ€ ์—†๋Š” ๊ฒฝ์šฐ Apache HTTPD๋ฅผ ์—ญ๋ฐฉํ–ฅ ์›น ํ”„๋ก์‹œ ๋ฐ ๋กœ๋“œ ๋ฐธ๋Ÿฐ์„œ๋กœ๋„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

๊ทธ๊ฒƒ์€ certbot์œผ๋กœ ๊ฒ€์ฆ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.... ์ €๋Š” Shinyproxy 2.3.1 ๋ฐ ๋‹ค๋ฅธ Active Directory ๊ณ„์ •๊ณผ ํ•จ๊ป˜ ์ž‘๋™ํ•˜๋„๋ก ๊ด€๋ฆฌํ–ˆ์Šต๋‹ˆ๋‹ค...

๊ทธ๋Ÿฌ๋‚˜ Shinyproxy 2.4.1 ๋ฐ 2.4.0์—๋Š” ๋ฒ„๊ทธ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

์•ˆ๋…•ํ•˜์„ธ์š” @danielfm123๋‹˜ , ์—ฌ๊ธฐ์—์„œ ๋ช‡ ๊ฐ€์ง€๋ฅผ ํ™•์ธํ–ˆ๋Š”๋ฐ ShinyProxy 2.4.0/1์˜ redirect_uri ๋ฌธ์ œ๋ฅผ ์žฌํ˜„ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
๋‹ค์Œ ์ •๋ณด๋กœ ์ƒˆ ๋ฌธ์ œ๋ฅผ ์—ด โ€‹โ€‹์ˆ˜ ์žˆ์Šต๋‹ˆ๊นŒ? ๊ทธ๋ ‡๊ฒŒ ํ•˜๋ฉด ๋ฒ„๊ทธ๊ฐ€ ์žˆ๋Š”์ง€ ์‚ดํŽด๋ณด๊ณ  ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

  • ShinyProxy๋ฅผ ์–ด๋–ป๊ฒŒ ์‹คํ–‰ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๊นŒ(jar, Docker, Kubernetes ๋“ฑ ์‚ฌ์šฉ)
  • application.yaml ํŒŒ์ผ ์ œ๊ณต(๋ฏผ๊ฐํ•œ ๊ฐ’ ์ œ๊ฑฐ) ์ฝ”๋“œ ๊ฒŒ์‹œ ๋ฐฉ๋ฒ•์€ ์—ฌ๊ธฐ๋ฅผ ์ฐธ์กฐ

    • ๋กœ๋“œ ๋ฐธ๋Ÿฐ์„œ ๋˜๋Š” ์—ญ๋ฐฉํ–ฅ ํ”„๋ก์‹œ๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๊นŒ? ์–ด๋Š ๊ฒƒ, ์–ด๋–ป๊ฒŒ ๊ตฌ์„ฑ๋˜์–ด ์žˆ๋Š”์ง€(์˜ˆ: X-Forwarded ํ—ค๋”๋ฅผ ์ „๋‹ฌํ•˜๋Š”์ง€) ๋“ฑ

    • ์–ด๋–ค openid ๊ณต๊ธ‰์ž๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๊นŒ? ์ฝœ๋ฐฑ URL์ด ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ๊ตฌ์„ฑ๋˜์–ด ์žˆ์Šต๋‹ˆ๊นŒ?

    • Shinyproxy๊ฐ€ ์˜ค๋ฅ˜๋ฅผ ๊ธฐ๋กํ•ฉ๋‹ˆ๊นŒ? ์ „์ฒด ์Šคํƒ ์ถ”์ ์„ ์ œ๊ณตํ•˜์‹ญ์‹œ์˜ค.

๊ฐ™์€ ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

keycloak, apache2 ๋ฆฌ๋ฒ„์Šค ํ”„๋ก์‹œ ๋ฐ shinyproxy 2.3.1๋กœ ์„ค์ •ํ•˜๋ฉด ์ œ๋Œ€๋กœ ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค. Docker๋ฅผ ํ†ตํ•ด Shinyproxy๋ฅผ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค. Shinyproxy๋Š” https://testauth.example.com์œผ๋กœ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ๋ฆฌ๋””๋ ‰์…˜๋ฉ๋‹ˆ๋‹ค

Shinyproxy 2.4.1๋กœ ์ „ํ™˜ํ•˜๋ฉด ์™ธ๋ถ€์—์„œ ์•ก์„ธ์Šคํ•  ์ˆ˜ ์žˆ๋Š” ์ฃผ์†Œ ๋Œ€์‹  redirect_uri์— ๋‚ด๋ถ€ IP(http://192.168.51.27:8082)๊ฐ€ ํฌํ•จ๋˜๋ฉฐ "Invalid parameter: redirect_uri" ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

์ด๊ฒƒ์€ ๋‚ด application.yml์˜ ๊ด€๋ จ ๋ถ€๋ถ„์ž…๋‹ˆ๋‹ค.

proxy:
  title: AUTHTEST
  hide-navbar: false
  template-path: /templates
  favicon-path: /www/favicon.png
  heartbeat-rate: 10000
  heartbeat-timeout: 600000
  port: 8080
  admin-groups: admin
  container-wait-time: 30000
  authentication: keycloak
  keycloak:
    realm: shinyr
    auth-server-url: http://192.168.51.122:8080/auth
    resource: shinyr
    credentials-secret: <secret>
  docker:
    internal-networking: true
  specs:
  - id: test
    display-name: Euler App
    description: Test App
    container-cmd: ["R", "-e", "shiny::runApp('/root/euler')"]
    container-image: saletelligence/test
    container-network: authtest_authtest_net
    access-groups: [admin, pm]
logging:
  file:
    shinyproxy.log
server:
  useForwardHeaders: true

์ด๊ฒƒ์€ ์•„ํŒŒ์น˜ ๊ตฌ์„ฑ์ž…๋‹ˆ๋‹ค.

<VirtualHost *:443>
        RequestHeader set X-Forwarded-Proto "https"
        RequestHeader set X-Forwarded-Port "443"
        ServerName testauth.example.com

        RewriteEngine On
        RewriteCond %{HTTP:Upgrade} =websocket
        RewriteRule /(.*) ws://192.168.51.27:8082/$1 [P,L]
        RewriteCond %{HTTP:Upgrade} !=websocket
        RewriteRule /(.*) http://192.168.51.27:8082/$1 [P,L]
        ProxyRequests Off

        ProxyPass "/" "http://192.168.51.27:8082/"
        ProxyPassReverse "/" "http://192.168.51.27:8082/"

        SSLProxyEngine On
        SSLEngine On
        SSLCertificateFile /etc/apache2/sslcert/example.crt
        SSLCertificateKeyFile /etc/apache2/sslcert/example_pem.key
        SSLCACertificateFile /etc/apache2/sslcert/example_bundle.pem
</VirtualHost>

์•ˆ๋…•ํ•˜์„ธ์š” @eastclintw00d

๋‹ค์Œ์„ ์‚ฌ์šฉํ•ด ๋ณด์‹ญ์‹œ์˜ค:

server:
  forward-headers-strategy: "native"

๋Œ€์‹ ์—

server:
  useForwardHeaders: true

๊ฐ์‚ฌ!

์•ˆ๋…•ํ•˜์„ธ์š” @LEDfan

๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

๋น ๋ฅธ ๋‹ต๋ณ€ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค!

๊ทธ๊ฒƒ์€ ์ž‘๋™ํ•˜์ง€๋งŒ ํŒจํ‚ค์ง€ DT๋ฅผ ์ฃฝ์ž…๋‹ˆ๋‹ค.

@ danielfm123 ๋‹น์‹ ์€ shinyproxy 2.4.1์„ ์‹คํ–‰ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๊นŒ? DT๋Š” ์ž˜ ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค.

@danielfm123 @eastclintw00d POST ์š”์ฒญ(์˜ˆ: DT์—์„œ ์ˆ˜ํ–‰)์€ ํ˜„์žฌ ShinyProxy(2.4.1)์™€ ํ•จ๊ป˜ OIDC ๋ฅผ @LEDfan ์˜ ์ˆ˜์ • ์‚ฌํ•ญ์€ ํ–ฅํ›„ ๋ฆด๋ฆฌ์Šค์˜ ์ผ๋ถ€๊ฐ€ ๋  ๊ฒƒ์ด์ง€๋งŒ ์ด๊ฒƒ์€ ์ด ์Šค๋ ˆ๋“œ์˜ ์ฃผ์ œ๊ฐ€ ์•„๋‹™๋‹ˆ๋‹ค.

POST ์š”์ฒญ ๋ฌธ์ œ๋Š” ์ด์ œ 2.4.2 ๋ฆด๋ฆฌ์Šค ์—์„œ ์ˆ˜์ •๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

์›๋ž˜ ๋ฌธ์ œ์™€ ๊ด€๋ จ๋œ ๋ฌธ์„œ๊ฐ€ ์—…๋ฐ์ดํŠธ๋ฉ๋‹ˆ๋‹ค.

๋ฌธ์ œ๋ฅผ ์œ ์ง€ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๋„๋ก ์ด ๋ฌธ์ œ๋ฅผ ์ž ๊ทธ๊ฒ ์Šต๋‹ˆ๋‹ค.
๋ฌผ๋ก , ํ•ญ์ƒ ๊ทธ๋ ‡๋“ฏ์ด ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด ์ฃผ์ €ํ•˜์ง€ ๋ง๊ณ  ์ƒˆ ๋ฌธ์ œ๋ฅผ ์—ฌ์‹ญ์‹œ์˜ค!

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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