\uc548\ub155\ud558\uc138\uc694! \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubc31\uc5d4\ub4dc \uac1c\ubc1c<\/strong>\uc744 \ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud2b9\ud788 OAuth2<\/strong>\ub97c \ud65c\uc6a9\ud558\uc5ec \uc0ac\uc6a9\uc790 \uc778\uc99d \uae30\ub2a5\uc744 \uad6c\ud604\ud558\uace0, \uc0ac\uc6a9\uc790\uac00 \uc791\uc131\ud55c \uae00\uc5d0 \uae00\uc4f4\uc774 \uc815\ubcf4\ub97c \ucd94\uac00\ud558\ub294 \ubc29\ubc95\uc744 \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub294 \ubcf5\uc7a1\ud55c \uc124\uc815\uc744 \ucd5c\uc18c\ud654\ud558\uace0 \ube60\ub978 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc744 \uac00\ub2a5\ud558\uac8c \ud574\uc8fc\ub294 \ud504\ub808\uc784\uc6cc\ud06c<\/strong>\uc785\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\uba70, \uc790\uc8fc \uc0ac\uc6a9\ub418\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc640 \uc124\uc815\uc744 \ub0b4\uc7a5\ud558\uace0 \uc788\uc5b4 \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc73c\ub85c \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n OAuth2<\/strong>\ub294 \ub9ac\uc18c\uc2a4 \uc18c\uc720\uc790\uac00 \uc790\uc6d0\uc5d0 \ub300\ud55c \uc811\uadfc\uc744 \uc81c3\uc790 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ud5c8\uac00\ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc8fc\ub294 \uc778\uc99d \ubc0f \uad8c\ud55c \ubd80\uc5ec \ud504\ub85c\ud1a0\ucf5c<\/strong>\uc785\ub2c8\ub2e4. \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158, \ubaa8\ubc14\uc77c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub4f1 \ub2e4\uc591\ud55c \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\uc790 \uc778\uc99d\uc744 \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4.<\/p>\n \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc774\uc6a9\ud55c \ud504\ub85c\uc81d\ud2b8 \uac1c\ubc1c\uc744 \uc2dc\uc791\ud558\uae30 \uc704\ud574 Spring Initializr<\/strong>\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \uc758\uc874\uc131\uc744 \uc120\ud0dd\ud574 \uc8fc\uc138\uc694:<\/p>\n \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud55c \ud6c4, \ud544\uc694\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c Maven \ub610\ub294 Gradle\uc744 \ud1b5\ud574 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n OAuth2\ub97c \uc0ac\uc6a9\ud560 \uc678\ubd80 \uc11c\ube44\uc2a4 (\uc608: Google, GitHub \ub4f1)\uc5d0 \ub300\ud55c \ud074\ub77c\uc774\uc5b8\ud2b8 \uc815\ubcf4\ub97c \uc2a4\ud504\ub9c1 \uc2dc\ud050\ub9ac\ud2f0\ub97c \uc124\uc815\ud558\uc5ec OAuth2 \ub85c\uadf8\uc778 \uae30\ub2a5\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n HTML\uacfc CSS\ub97c \uc774\uc6a9\ud558\uc5ec \ucee4\uc2a4\ud140 \ub85c\uadf8\uc778 \ud398\uc774\uc9c0\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc608\uc81c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n \ub85c\uadf8\uc544\uc6c3 \uae30\ub2a5\uc744 \uc124\uc815\ud558\ub824\uba74, \ub2e4\uc74c\uacfc \uac19\uc774 \uc774\uc81c \uc0ac\uc6a9\uc790\uac00 \uc791\uc131\ud55c \uae00\uc744 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc800\uc7a5\ud558\uae30 \uc704\ud55c \uae30\ub2a5\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n \uae00 \uc791\uc131\uc790\ub97c \ud3ec\ud568\ud55c \uae00(Post)\uc744 \uc704\ud55c Entity \ud074\ub798\uc2a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n \uae00 \uc791\uc131\uc744 \uc704\ud55c Repository\uc640 Service \ud074\ub798\uc2a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n \uc0ac\uc6a9\uc790\uac00 \uae00\uc744 \uc791\uc131\ud558\uace0 \uc870\ud68c\ud560 \uc218 \uc788\ub3c4\ub85d Controller\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc774\uc6a9\ud55c \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uc758 \uae30\ucd08\uc640 OAuth2\ub97c \ud65c\uc6a9\ud55c \uc0ac\uc6a9\uc790 \uc778\uc99d \ubc0f \uae00\uc4f0\uae30 \uae30\ub2a5 \uad6c\ud604 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. OAuth2\ub97c \ud1b5\ud574 \ub2e4\uc591\ud55c \uc18c\uc15c \ubbf8\ub514\uc5b4 \ub85c\uadf8\uc778 \uae30\ub2a5\uc744 \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uc73c\uba70, \uc0ac\uc6a9\uc790 \uce5c\ud654\uc801\uc778 \uc6f9 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0 \ud070 \ub3c4\uc6c0\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4. \ub2e4\uc74c \uac15\uc88c\uc5d0\uc11c\ub294 \ud504\ub860\ud2b8\uc5d4\ub4dc\uc640\uc758 \uc5f0\ub3d9, \ub354 \ub098\uc544\uac00 \ubc30\ud3ec\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc744 \ub2e4\ub8f0 \uc608\uc815\uc785\ub2c8\ub2e4. \uc774 \uae00\uc774 \ub3c4\uc6c0\uc774 \ub418\uc168\uae38 \ubc14\ub77c\uba70, \uc9c8\ubb38 \uc0ac\ud56d\uc774 \uc788\uc73c\uba74 \uc5b8\uc81c\ub4e0\uc9c0 \ub313\uae00\ub85c \ub0a8\uaca8\uc8fc\uc138\uc694!<\/p>\n <\/body><\/p>\n","protected":false},"excerpt":{"rendered":"1. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub780?<\/h2>\n
1.1. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc758 \uc7a5\uc810<\/h3>\n
\n
2. OAuth2\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n
2.1. OAuth2\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c<\/h3>\n
\n
3. \ud504\ub85c\uc81d\ud2b8 \uc124\uc815<\/h2>\n
\n
3.1. \uc8fc\uc694 \uc758\uc874\uc131 \ucd94\uac00 (pom.xml \uc608\uc2dc)<\/h3>\n
\n<dependencies>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-web<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-security<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-data-jpa<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>com.h2database<\/groupId>\n <artifactId>h2<\/artifactId>\n <scope>runtime<\/scope>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.security.oauth.boot<\/groupId>\n <artifactId>spring-security-oauth2-autoconfigure<\/artifactId>\n <\/dependency>\n<\/dependencies>\n<\/code><\/pre>\n4. \uc0ac\uc6a9\uc790 \uc778\uc99d\uc744 \uc704\ud55c OAuth2 \uc124\uc815<\/h2>\n
4.1. application.yml \uc124\uc815<\/h3>\n
application.yml<\/code> \ud30c\uc77c\uc5d0 \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n\nspring:\n security:\n oauth2:\n client:\n registration:\n google:\n client-id: YOUR_CLIENT_ID\n client-secret: YOUR_CLIENT_SECRET\n scope: profile, email\n provider:\n google:\n authorization-uri: https:\/\/accounts.google.com\/o\/oauth2\/auth\n token-uri: https:\/\/oauth2.googleapis.com\/token\n user-info-uri: https:\/\/www.googleapis.com\/userinfo\/v2\/me\n<\/code><\/pre>\n4.2. Security Configuration \uc124\uc815<\/h3>\n
\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.security.config.annotation.web.builders.HttpSecurity;\nimport org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;\nimport org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;\n\n@Configuration\n@EnableWebSecurity\npublic class SecurityConfig extends WebSecurityConfigurerAdapter {\n @Override\n protected void configure(HttpSecurity http) throws Exception {\n http\n .authorizeRequests(authorizeRequests ->\n authorizeRequests\n .antMatchers(\"\/\", \"\/login\", \"\/perform_login\").permitAll()\n .anyRequest().authenticated()\n )\n .oauth2Login(oauth2 -> oauth2\n .loginPage(\"\/login\")\n );\n }\n}\n<\/code><\/pre>\n5. \ub85c\uadf8\uc778 \ubc0f \ub85c\uadf8\uc544\uc6c3 \uae30\ub2a5 \uad6c\ud604<\/h2>\n
5.1. Custom Login Page \ub9cc\ub4e4\uae30<\/h3>\n
\n<!DOCTYPE html>\n<html lang=\"ko\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n <title>\ub85c\uadf8\uc778 \ud398\uc774\uc9c0<\/title>\n<\/head>\n<body>\n <h1>\ub85c\uadf8\uc778 \ud398\uc774\uc9c0<\/h1>\n <a href=\"\/oauth2\/authorization\/google\">Google\ub85c \ub85c\uadf8\uc778<\/a>\n<\/body>\n<\/html>\n<\/code><\/pre>\n5.2. \ub85c\uadf8\uc544\uc6c3 \ucc98\ub9ac\ud558\uae30<\/h3>\n
SecurityConfig<\/code>\ub97c \uc218\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n@Override\nprotected void configure(HttpSecurity http) throws Exception {\n http\n .authorizeRequests(authorizeRequests ->\n authorizeRequests\n .antMatchers(\"\/\", \"\/login\", \"\/perform_login\").permitAll()\n .anyRequest().authenticated()\n )\n .oauth2Login(oauth2 -> oauth2\n .loginPage(\"\/login\")\n )\n .logout(logout -> logout\n .logoutUrl(\"\/logout\")\n .logoutSuccessUrl(\"\/login?logout\")\n );\n}\n<\/code><\/pre>\n6. \uae00\uc4f0\uae30 \uae30\ub2a5 \uad6c\ud604<\/h2>\n
6.1. Entity \ud074\ub798\uc2a4 \uc0dd\uc131<\/h3>\n
\nimport javax.persistence.*;\n\n@Entity\npublic class Post {\n @Id\n @GeneratedValue(strategy = GenerationType.IDENTITY)\n private Long id;\n\n private String title;\n private String content;\n\n @ManyToOne\n @JoinColumn(name = \"author_id\")\n private User author;\n\n \/\/ Getters and Setters\n}\n<\/code><\/pre>\n6.2. User Entity \uc0dd\uc131<\/h3>\n
\nimport javax.persistence.*;\n\n@Entity\npublic class User {\n @Id\n @GeneratedValue(strategy = GenerationType.IDENTITY)\n private Long id;\n\n private String username;\n private String email;\n\n \/\/ Getters and Setters\n}\n<\/code><\/pre>\n6.3. Repository \ubc0f Service \uc0dd\uc131<\/h3>\n
\n\/\/ PostRepository.java\nimport org.springframework.data.jpa.repository.JpaRepository;\n\npublic interface PostRepository extends JpaRepository<Post, Long> {\n}\n\n\/\/ PostService.java\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.stereotype.Service;\n\nimport java.util.List;\n\n@Service\npublic class PostService {\n @Autowired\n private PostRepository postRepository;\n\n public List<Post> findAll() {\n return postRepository.findAll();\n }\n\n public Post save(Post post) {\n return postRepository.save(post);\n }\n}\n<\/code><\/pre>\n6.4. Controller \uc0dd\uc131<\/h3>\n
\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.web.bind.annotation.*;\n\nimport java.util.List;\n\n@RestController\n@RequestMapping(\"\/posts\")\npublic class PostController {\n @Autowired\n private PostService postService;\n\n @GetMapping\n public List<Post> getAllPosts() {\n return postService.findAll();\n }\n\n @PostMapping\n public Post createPost(@RequestBody Post post) {\n return postService.save(post);\n }\n}\n<\/code><\/pre>\n7. \uacb0\ub860<\/h2>\n