{
  "assetKey": "a10-f006-requireidentifier-branch",
  "kind": "terminal",
  "command": "set -e\nD=$(mktemp -d); trap 'rm -rf \"$D\"' EXIT\nJAR=/shared/codebase/clean-architecture-backend-template/src/adapter/outbound/cache-redis/build/libs/cache-redis-0.0.1+21234e38cdb9.jar\njava -version 2>&1 | head -1\ncat > \"$D/IdentifierBranchProbe.java\" <<'JAVA'\nimport dev.caskeleton.adapter.outbound.cache.redis.sdk.api.key.RedisKeyRules;\nimport java.util.Locale;\nimport java.util.Random;\nimport java.util.regex.Pattern;\n\npublic final class IdentifierBranchProbe {\n\n  private static final Pattern IDENTIFIER =\n      Pattern.compile(\"^[A-Za-z0-9][A-Za-z0-9._~-]{0,127}$\");\n  private static final Pattern JSON_WEB_TOKEN =\n      Pattern.compile(\"^[A-Za-z0-9_-]{8,}\\\\.[A-Za-z0-9_-]{8,}\\\\.[A-Za-z0-9_-]{8,}$\");\n  private static final Pattern INTERNATIONAL_PHONE = Pattern.compile(\"^\\\\+\\\\d[\\\\d.~-]{7,}$\");\n\n  private static final String[] GUARDS = {\"문자클래스\", \"메일\", \"JWT\", \"전화\", \"접두\"};\n\n  /** Which guards a value satisfies, in source order. */\n  private static boolean[] guards(String v) {\n    String low = v.toLowerCase(Locale.ROOT);\n    return new boolean[] {\n      !IDENTIFIER.matcher(v).matches(),\n      v.indexOf('@') >= 0,\n      JSON_WEB_TOKEN.matcher(v).matches(),\n      INTERNATIONAL_PHONE.matcher(v).matches(),\n      low.startsWith(\"bearer\") || low.startsWith(\"eyj\"),\n    };\n  }\n\n  /** The message the first satisfied guard would produce. */\n  private static String predict(String v) {\n    boolean[] hit = guards(v);\n    if (hit[0]) {\n      return \"identifier must be 1..128 characters of [A-Za-z0-9._~-] and must not contain a\"\n          + \" key separator\";\n    }\n    if (hit[1]) {\n      return \"identifier must not contain a mail address\";\n    }\n    if (hit[2]) {\n      return \"identifier must not contain a JSON web token\";\n    }\n    if (hit[3]) {\n      return \"identifier must not contain a phone number\";\n    }\n    if (hit[4]) {\n      return \"identifier must not contain authentication material\";\n    }\n    return \"통과\";\n  }\n\n  private static String actual(String v) {\n    try {\n      RedisKeyRules.requireIdentifier(v);\n      return \"통과\";\n    } catch (IllegalArgumentException e) {\n      return e.getMessage();\n    }\n  }\n\n  private static void run(String label, String v) {\n    boolean[] hit = guards(v);\n    StringBuilder marks = new StringBuilder();\n    for (int i = 0; i < GUARDS.length; i++) {\n      marks.append(hit[i] ? GUARDS[i] : \" \".repeat(GUARDS[i].length())).append(' ');\n    }\n    System.out.printf(\"%-16s %-4d %s| %s%n\", label, v.length(), marks, actual(v));\n  }\n\n  public static void main(String[] args) {\n    String jwtHead = \"eyJhbGciOiJIUzI1NiJ9\";\n    String longJwt = jwtHead + \".\" + \"a\".repeat(120) + \".\" + \"b\".repeat(96);\n\n    System.out.println(\"입력             길이 걸리는 검사 전부                      | requireIdentifier 가 낸 메시지\");\n    System.out.println(\"-\".repeat(122));\n    run(\"test: 메일\", \"person@example.com\");\n    run(\"test: 전화\", \"+821012345678\");\n    run(\"test: eyj\", jwtHead);\n    run(\"test: bearer\", \"bearer-abcdefabcdef\");\n    run(\"test: JWT\", jwtHead + \".eyJzdWIiOiIxIn0.c2lnbmF0dXJlLXZhbHVl\");\n    run(\"test: 129자\", \"a\".repeat(129));\n    System.out.println();\n    System.out.println(\"JWT 분기만 걸리는 값이 있는가\");\n    run(\"합성 JWT 26자\", \"abcdefgh.abcdefgh.abcdefgh\");\n    run(\"_로 시작\", \"_bcdefgh.abcdefgh.abcdefgh\");\n    run(\"실제 크기 JWT\", longJwt);\n    System.out.println();\n    System.out.println(\"메일과 전화 분기만 걸리는 값이 있는가\");\n    System.out.println(\"  메일 분기는 '@' 를 요구한다   -> IDENTIFIER 문자 클래스에 '@' 없음\");\n    System.out.println(\"  전화 분기는 '+' 로 시작한다   -> IDENTIFIER 첫 문자는 [A-Za-z0-9]\");\n    System.out.println();\n    System.out.println(\"옮겨 적은 정규식이 실제와 같은지 무작위 입력으로 대조한다.\");\n    selfCheck(200_000);\n  }\n\n  private static void selfCheck(int rounds) {\n    String alphabet = \"abcdefghjrzABZ09._~-@+:{} eyj.\";\n    Random random = new Random(20260902L);\n    int agreed = 0;\n    int[] firstGuard = new int[GUARDS.length + 1];\n    for (int i = 0; i < rounds; i++) {\n      int length = 1 + random.nextInt(200);\n      StringBuilder b = new StringBuilder(length);\n      for (int j = 0; j < length; j++) {\n        b.append(alphabet.charAt(random.nextInt(alphabet.length())));\n      }\n      // Half the draws start from a token shape so the later guards are reachable.\n      String value = (i % 2 == 0) ? b.toString() : seeded(random, b.toString());\n      if (actual(value).equals(predict(value))) {\n        agreed++;\n      }\n      boolean[] hit = guards(value);\n      int landed = GUARDS.length;\n      for (int g = 0; g < GUARDS.length; g++) {\n        if (hit[g]) {\n          landed = g;\n          break;\n        }\n      }\n      firstGuard[landed]++;\n    }\n    System.out.printf(\"  %d / %d 일치%n\", agreed, rounds);\n    for (int g = 0; g < GUARDS.length; g++) {\n      System.out.printf(\"    %-10s 에서 갈린 입력 %d%n\", GUARDS[g], firstGuard[g]);\n    }\n    System.out.printf(\"    %-10s %d%n\", \"통과\", firstGuard[GUARDS.length]);\n  }\n\n  /** A value shaped like something the later guards could match. */\n  private static String seeded(Random random, String tail) {\n    String core = tail.replaceAll(\"[^A-Za-z0-9_-]\", \"a\");\n    return switch (random.nextInt(4)) {\n      case 0 -> \"eyj\" + core;\n      case 1 -> \"bearer\" + core;\n      case 2 -> \"+8210\" + core.replaceAll(\"\\\\D\", \"1\");\n      default -> {\n        String seg = (core + \"abcdefgh\").substring(0, 8);\n        yield seg + \".\" + seg + \".\" + seg;\n      }\n    };\n  }\n}\nJAVA\njavac -encoding UTF-8 -cp \"$JAR\" -d \"$D\" \"$D/IdentifierBranchProbe.java\"\njava -Dstdout.encoding=UTF-8 -cp \"$JAR:$D\" IdentifierBranchProbe\n",
  "cwd": "/shared/codebase/clean-architecture-backend-template",
  "exitCode": 0,
  "executedAt": "2026-09-02T12:55:51+00:00",
  "sourceRevision": "21234e38cdb9a926cbc92bb97a2aee2e4a7d2916",
  "raw": "evidence/raw/a10-f006-requireidentifier-branch.txt",
  "svg": "evidence/rendered/a10-f006-requireidentifier-branch.svg",
  "rawSha256": "6e0ca6756b46beb4d977b5f42cb98b840c675ddd63bf6cdb0fa05c683501d301",
  "lines": 27,
  "redaction": "none — 밀폐 탐침 실행 출력, 자격증명 없음"
}