jjwt (Java JWT \ub77c\uc774\ube0c\ub7ec\ub9ac)<\/li>\n<\/ul>\n\ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud55c \ud6c4, \ud544\uc694\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c `pom.xml`\uc5d0 \ucd94\uac00\ud569\ub2c8\ub2e4:<\/p>\n
\n\n\n \n \n io.jsonwebtoken<\/groupid>\n jjwt<\/artifactid>\n 0.9.1<\/version>\n <\/dependency>\n<\/dependencies>\n<\/code>\n<\/pre>\n3. \uc0ac\uc6a9\uc790 \uc778\uc99d \ubc0f JWT \ubc1c\uae09<\/h2>\n
\uc0ac\uc6a9\uc790 \uc778\uc99d\uc744 \uc704\ud574 User \uc5d4\ud2f0\ud2f0\uc640 UserRepository\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uadf8 \ud6c4 \uc11c\ube44\uc2a4 \uacc4\uce35\uc744 \uad6c\uc131\ud558\uace0 JWT\ub97c \uc0dd\uc131\ud558\ub294 \ub85c\uc9c1\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n
\n\n\/\/ User \uc5d4\ud2f0\ud2f0 \uc608\uc2dc\n@Entity\npublic class User {\n @Id\n @GeneratedValue(strategy = GenerationType.IDENTITY)\n private Long id;\n \n private String username;\n private String password;\n \n \/\/ getters and setters\n}\n<\/code>\n<\/pre>\n\n\n\/\/ UserRepository \uc608\uc2dc\npublic interface UserRepository extends JpaRepository {\n Optional findByUsername(String username);\n}\n<\/user><\/user,><\/code>\n<\/pre>\n\uc774\uc81c JWT\ub97c \uc0dd\uc131\ud558\ub294 \uae30\ub2a5\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4:<\/p>\n
\n\n\/\/ JwtUtil.java\n@Component\npublic class JwtUtil {\n \n private String secretKey = \"secret\"; \/\/ \uc2e4\ubb34\uc5d0\uc11c\ub294 \ud658\uacbd\ubcc0\uc218\ub098 \ubcc4\ub3c4\uc758 \ud30c\uc77c\uc5d0\uc11c \uad00\ub9ac\n \n public String generateToken(String username) {\n return Jwts.builder()\n .setSubject(username)\n .setIssuedAt(new Date(System.currentTimeMillis()))\n .setExpiration(new Date(System.currentTimeMillis() + 1000 * 60 * 60 * 10)) \/\/ 10\uc2dc\uac04\n .signWith(SignatureAlgorithm.HS256, secretKey)\n .compact();\n }\n}\n<\/code>\n<\/pre>\n3.1 \ub85c\uadf8\uc778 API \uad6c\ud604<\/h3>\n
\uc774\uc81c \ub85c\uadf8\uc778 \uc694\uccad\uc744 \ucc98\ub9ac\ud560 Controller\ub97c \uad6c\ud604\ud569\ub2c8\ub2e4:<\/p>\n
\n\n\/\/ AuthController.java\n@RestController\n@RequestMapping(\"\/api\/auth\")\npublic class AuthController {\n \n @Autowired\n private AuthenticationManager authenticationManager;\n \n @Autowired\n private JwtUtil jwtUtil;\n \n @Autowired\n private UserRepository userRepository;\n \n @PostMapping(\"\/login\")\n public ResponseEntity login(@RequestBody User user) {\n authenticate(user.getUsername(), user.getPassword());\n String token = jwtUtil.generateToken(user.getUsername());\n return ResponseEntity.ok(token);\n }\n \n private void authenticate(String username, String password) {\n Authentication authentication = authenticationManager.authenticate(\n new UsernamePasswordAuthenticationToken(username, password)\n );\n SecurityContextHolder.getContext().setAuthentication(authentication);\n }\n}\n<\/string><\/code>\n<\/pre>\n4. \ud1a0\ud070 \uac80\uc99d \ubc0f \uc778\uac00<\/h2>\n
JWT\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc778\uc99d\ub41c \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub824\uba74, \ud544\ud130\ub97c \uad6c\ud604\ud558\uc5ec \uc694\uccad\uc758 \ud5e4\ub354\uc5d0 \uc788\ub294 \ud1a0\ud070\uc744 \uac80\uc99d\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
\n\n\/\/ JwtRequestFilter.java\n@Component\npublic class JwtRequestFilter extends OncePerRequestFilter {\n\n @Autowired\n private JwtUtil jwtUtil;\n\n @Autowired\n private UserDetailsService userDetailsService;\n\n @Override\n protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)\n throws ServletException, IOException {\n final String authorizationHeader = request.getHeader(\"Authorization\");\n\n String username = null;\n String jwt = null;\n\n if (authorizationHeader != null && authorizationHeader.startsWith(\"Bearer \")) {\n jwt = authorizationHeader.substring(7);\n username = jwtUtil.extractUsername(jwt);\n }\n\n if (username != null && SecurityContextHolder.getContext().getAuthentication() == null) {\n UserDetails userDetails = userDetailsService.loadUserByUsername(username);\n if (jwtUtil.validateToken(jwt, userDetails)) {\n UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken =\n new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());\n SecurityContextHolder.getContext().setAuthentication(usernamePasswordAuthenticationToken);\n }\n }\n chain.doFilter(request, response);\n }\n}\n<\/code>\n<\/pre>\n5. \ub85c\uadf8\uc544\uc6c3 \uae30\ub2a5 \uad6c\ud604<\/h2>\n
JWT\ub294 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \ub85c\uadf8\uc544\uc6c3 \uae30\ub2a5\uc744 \uad6c\ud604\ud560 \ub54c\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0\uc11c \ud1a0\ud070\uc744 \uc0ad\uc81c\ud558\uba74 \ub429\ub2c8\ub2e4. \ud558\uc9c0\ub9cc, \uc11c\ubc84\uc5d0\uc11c \ube14\ub799\ub9ac\uc2a4\ud2b8\ub97c \uad00\ub9ac\ud558\ub294 \ubc29\ubc95\uc73c\ub85c \ub85c\uadf8\uc544\uc6c3 \uae30\ub2a5\uc744 \uad6c\ud604\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\n\n\/\/ \ub85c\uadf8\uc544\uc6c3 \uc608\uc2dc\n@PostMapping(\"\/logout\")\npublic ResponseEntity logout(HttpServletRequest request) {\n String token = request.getHeader(\"Authorization\").substring(7);\n \/\/ \uc5ec\uae30\uc5d0 \ube14\ub799\ub9ac\uc2a4\ud2b8\uc5d0 \ucd94\uac00\ud558\ub294 \ub85c\uc9c1 \uad6c\ud604\n return ResponseEntity.ok(\"Logout successful\");\n}\n<\/string><\/code>\n<\/pre>\n6. API \ud14c\uc2a4\ud2b8<\/h2>\n
Postman\uacfc \uac19\uc740 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud558\uc5ec API\ub97c \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub85c\uadf8\uc778 \uc694\uccad \ud6c4, \uc11c\ubc84\uc5d0\uc11c \ubc1c\uae09\ud55c JWT\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubcf4\ud638\ub41c \ub9ac\uc18c\uc2a4\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n
7. \uacb0\ub860<\/h2>\n
\uc774 \uac15\uc88c\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec JWT \uae30\ubc18 \uc778\uc99d \uc2dc\uc2a4\ud15c\uc744 \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c\uc758 \uc694\uad6c\uc0ac\ud56d\uc5d0 \ub530\ub77c \ub2e4\uc591\ud55c \ubc29\uc2dd\uc73c\ub85c JWT\ub97c \ud65c\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \ubcf4\uc548\uc740 \ud56d\uc0c1 \uc911\uc694\ud55c \uace0\ub824\uc0ac\ud56d\uc784\uc744 \uba85\uc2ec\ud574\uc57c \ud569\ub2c8\ub2e4. \uc55e\uc73c\ub85c \ub354 \ubc1c\uc804\ub41c \uae30\ub2a5\uc744 \ucd94\uac00\ud558\uc5ec \uc2dc\uc2a4\ud15c\uc744 \ud655\uc7a5\ud574 \ub098\uac00\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
JWT\ub85c \ub85c\uadf8\uc778\/\ub85c\uadf8\uc544\uc6c3 \uad6c\ud604 \ubc0f \ud1a0\ud070 API \uad6c\ud604\ud558\uae30 \ucd5c\uadfc \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc544\ud0a4\ud14d\ucc98\ub294 \uc810\uc810 \ub354 \ubcf5\uc7a1\ud574\uc9c0\uace0 \uc788\uc73c\uba70, \ud2b9\ud788 \ubcf4\uc548 \ubb38\uc81c\ub294 \ubaa8\ub4e0 \uac1c\ubc1c\uc790\uc5d0\uac8c \uc911\uc694\ud55c \uc774\uc288\uc785\ub2c8\ub2e4. \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8(Spring Boot)\ub97c \uc0ac\uc6a9\ud558\uc5ec JWT(JSON Web Token)\ub97c \uae30\ubc18\uc73c\ub85c \ud55c \ub85c\uadf8\uc778 \ubc0f \ub85c\uadf8\uc544\uc6c3 \uae30\ub2a5\uacfc \ud1a0\ud070 API\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \uac15\uc88c\ub294 \uae30\ubcf8\uc801\uc778 \uc2a4\ud504\ub9c1 \ubd80\ud2b8 \uac1c\ubc1c \uacbd\ud5d8\uc774 \uc788\ub294 \uac1c\ubc1c\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud558\uba70, JWT\uc5d0 … \ub354 \ubcf4\uae30 “\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ubc31\uc5d4\ub4dc \uac1c\ubc1c \uac15\uc88c, JWT\ub85c \ub85c\uadf8\uc778 \ub85c\uadf8\uc544\uc6c3 \uad6c\ud604, \ud1a0\ud070 API \uad6c\ud604\ud558\uae30”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-26400","post","type-post","status-publish","format-standard","hentry","category-21"],"yoast_head":"\n\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ubc31\uc5d4\ub4dc \uac1c\ubc1c \uac15\uc88c, JWT\ub85c \ub85c\uadf8\uc778 \ub85c\uadf8\uc544\uc6c3 \uad6c\ud604, \ud1a0\ud070 API \uad6c\ud604\ud558\uae30 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/26400\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ubc31\uc5d4\ub4dc \uac1c\ubc1c \uac15\uc88c, JWT\ub85c \ub85c\uadf8\uc778 \ub85c\uadf8\uc544\uc6c3 \uad6c\ud604, \ud1a0\ud070 API \uad6c\ud604\ud558\uae30 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"JWT\ub85c \ub85c\uadf8\uc778\/\ub85c\uadf8\uc544\uc6c3 \uad6c\ud604 \ubc0f \ud1a0\ud070 API \uad6c\ud604\ud558\uae30 \ucd5c\uadfc \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc544\ud0a4\ud14d\ucc98\ub294 \uc810\uc810 \ub354 \ubcf5\uc7a1\ud574\uc9c0\uace0 \uc788\uc73c\uba70, \ud2b9\ud788 \ubcf4\uc548 \ubb38\uc81c\ub294 \ubaa8\ub4e0 \uac1c\ubc1c\uc790\uc5d0\uac8c \uc911\uc694\ud55c \uc774\uc288\uc785\ub2c8\ub2e4. \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8(Spring Boot)\ub97c \uc0ac\uc6a9\ud558\uc5ec JWT(JSON Web Token)\ub97c \uae30\ubc18\uc73c\ub85c \ud55c \ub85c\uadf8\uc778 \ubc0f \ub85c\uadf8\uc544\uc6c3 \uae30\ub2a5\uacfc \ud1a0\ud070 API\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \uac15\uc88c\ub294 \uae30\ubcf8\uc801\uc778 \uc2a4\ud504\ub9c1 \ubd80\ud2b8 \uac1c\ubc1c \uacbd\ud5d8\uc774 \uc788\ub294 \uac1c\ubc1c\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud558\uba70, JWT\uc5d0 … \ub354 \ubcf4\uae30 "\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ubc31\uc5d4\ub4dc \uac1c\ubc1c \uac15\uc88c, JWT\ub85c \ub85c\uadf8\uc778 \ub85c\uadf8\uc544\uc6c3 \uad6c\ud604, \ud1a0\ud070 API \uad6c\ud604\ud558\uae30"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/26400\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-27T10:52:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-26T07:44:49+00:00\" \/>\n<meta name=\"author\" content=\"root\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:site\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"root\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/atmokpo.com\/w\/26400\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/26400\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ubc31\uc5d4\ub4dc \uac1c\ubc1c \uac15\uc88c, JWT\ub85c \ub85c\uadf8\uc778 \ub85c\uadf8\uc544\uc6c3 \uad6c\ud604, \ud1a0\ud070 API \uad6c\ud604\ud558\uae30\",\"datePublished\":\"2024-10-27T10:52:29+00:00\",\"dateModified\":\"2024-11-26T07:44:49+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/atmokpo.com\/w\/26400\/\"},\"wordCount\":60,\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"articleSection\":[\"\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ubc31\uc564\ub4dc \uac1c\ubc1c \uac15\uc88c\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atmokpo.com\/w\/26400\/\",\"url\":\"https:\/\/atmokpo.com\/w\/26400\/\",\"name\":\"\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ubc31\uc5d4\ub4dc \uac1c\ubc1c \uac15\uc88c, JWT\ub85c \ub85c\uadf8\uc778 \ub85c\uadf8\uc544\uc6c3 \uad6c\ud604, \ud1a0\ud070 API \uad6c\ud604\ud558\uae30 - 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