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4 changes: 4 additions & 0 deletions .jules/sentinel.md
Original file line number Diff line number Diff line change
Expand Up @@ -83,3 +83,7 @@
**Vulnerability:** ์ •์  HTML ์ƒ์„ฑ ๋„๊ตฌ์—์„œ ๋งค๋ฒˆ ๋‹ค๋ฅธ Nonce๋ฅผ ๋™์ ์œผ๋กœ ์ƒ์„ฑํ•˜์—ฌ CSP์— ์ ์šฉํ•˜๋Š” ๊ฒƒ์€, ์บ์‹ฑ ํšจ์œจ์„ ์ €ํ•˜์‹œํ‚ฌ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์ •์  ๋ฐฐํฌ ํ™˜๊ฒฝ(์˜ˆ: GitHub Pages ๋“ฑ)์—์„œ ์˜ฌ๋ฐ”๋ฅธ ๋ณด์•ˆ ์ •์ฑ… ์ˆ˜๋ฆฝ์„ ๋ฐฉํ•ดํ•  ์ˆ˜ ์žˆ๋Š” ์•ˆํ‹ฐ ํŒจํ„ด์ž…๋‹ˆ๋‹ค.
**Learning:** ์ •์ ์œผ๋กœ ๊ณ ์ •๋œ ์ธ๋ผ์ธ ์Šคํƒ€์ผ์ด๋‚˜ ์Šคํฌ๋ฆฝํŠธ์—๋Š” ๋‚œ์ˆ˜ํ™”๋œ Nonce๋ณด๋‹ค ์ฝ˜ํ…์ธ  ์ž์ฒด์˜ ํ•ด์‹œ(SHA-256 ๋“ฑ)๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ์•ˆ์ „ํ•˜๊ณ  ์ผ๊ด€๋œ ๋ฐฉ์‹์ž„์„ ๋ฐฐ์› ์Šต๋‹ˆ๋‹ค.
**Prevention:** ์ž๋™ ์ƒ์„ฑ๋˜๋Š” ์ •์  HTML์˜ ์ฝ˜ํ…์ธ  ๋ณด์•ˆ ์ •์ฑ…(CSP)์—๋Š” `style-src 'sha256-<HASH>'` ๋ฐฉ์‹์„ ์ ์šฉํ•˜๊ณ , `<style>` ํƒœ๊ทธ์—์„œ ๋ถˆํ•„์š”ํ•œ `nonce` ์†์„ฑ์„ ์ œ๊ฑฐํ•˜์—ฌ ๋ธŒ๋ผ์šฐ์ €์˜ ๋ฌด๊ฒฐ์„ฑ ๊ฒ€์ฆ ๊ธฐ๋Šฅ์„ ์ ๊ทน ํ™œ์šฉํ•˜์‹ญ์‹œ์˜ค.
## 2026-07-15 - [๋™์  ์ค‘์š” ํŒŒ์ผ ์ œ์™ธ ๋กœ์ง ์ถ”๊ฐ€]
**Vulnerability:** `.pem`, `.key`์™€ ๊ฐ™์€ ์ž๊ฒฉ ์ฆ๋ช… ํŒŒ์ผ์ด๋‚˜ `.sqlite`, `.db`์™€ ๊ฐ™์€ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ํŒŒ์ผ์ด `.html4ignore` ๋˜๋Š” ๊ธฐ๋ณธ ๋ฏผ๊ฐ ํŒŒ์ผ ๋ชฉ๋ก์—์„œ ๋ช…์‹œ์ ์œผ๋กœ ๋ฌด์‹œ๋˜์ง€ ์•Š์„ ๊ฒฝ์šฐ ๋””๋ ‰ํ† ๋ฆฌ ๋ชฉ๋ก ์กฐํšŒ ์‹œ ๋…ธ์ถœ๋  ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
**Learning:** ์ •์  ๋ชฉ๋ก๋งŒ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์€ ๋™์ ์œผ๋กœ ์ƒ์„ฑ๋œ ํŒŒ์ผ ์ด๋ฆ„์ด๋‚˜ ํŠน์ • ํ™•์žฅ์ž ์œ ํ˜•์„ ๋ชจ๋‘ ๋ˆ„๋ฝํ•  ์œ„ํ—˜์ด ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ํŒŒ์ผ์ด ๋…ธ์ถœ๋˜์ง€ ์•Š๋„๋ก ๋””๋ ‰ํ† ๋ฆฌ ๋‚ด์˜ ๋ชจ๋“  ํŒŒ์ผ์— ๋Œ€ํ•ด ๋™์ ์œผ๋กœ ํ™•์žฅ์ž ๋‹จ์œ„๋กœ ๊ฒ€์‚ฌํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
**Prevention:** ํŒŒ์ผ ์ด๋ฆ„์— ๋Œ€ํ•ด ๋™์ ์ธ ๊ฒ€์‚ฌ(์˜ˆ: `.endsWith` ์‚ฌ์šฉ)๋ฅผ ์ ์šฉํ•˜์—ฌ ๋ฏผ๊ฐํ•œ ํŒŒ์ผ ์œ ํ˜•์˜ ๋…ธ์ถœ์„ ์ •ํ™•ํ•˜๊ฒŒ ๋ฐฉ์ง€ํ•˜๊ณ , ์ด๋ฅผ ํ†ตํ•ด ๊ฐ•๋ ฅํ•œ ์‹ฌ์ธต ๋ฐฉ์–ด(defense in depth) ์ˆ˜๋‹จ์œผ๋กœ ํ™œ์šฉํ•˜์‹ญ์‹œ์˜ค.
11 changes: 8 additions & 3 deletions src/main/kotlin/html4tree/main.kt
Original file line number Diff line number Diff line change
Expand Up @@ -216,12 +216,17 @@ fun process_ignore_file(curr_dir: File, dirFilesNames: Array<String>? = null): S
files_to_exclude.add("index.html")

// ๋ณด์•ˆ ํ–ฅ์ƒ: ๋ฏผ๊ฐํ•œ ์‹œ์Šคํ…œ, ์„ค์ •, ์‹œํฌ๋ฆฟ ํŒŒ์ผ์„ ๋””๋ ‰ํ† ๋ฆฌ ๋ชฉ๋ก์—์„œ ๊ธฐ๋ณธ์ ์œผ๋กœ ์ œ์™ธํ•˜์—ฌ ์ •๋ณด ๋…ธ์ถœ(Information Exposure) ๋ฐฉ์ง€
val defaultSensitiveFiles = listOf(".git", ".env", ".ssh", ".htpasswd", ".htaccess", "id_rsa", "id_ed25519", "secrets.yml", ".html4ignore", ".DS_Store", ".aws", ".kube", ".npmrc", ".gnupg", "config.json", "credentials.json")
val defaultSensitiveFiles = listOf(".git", ".env", ".ssh", ".htpasswd", ".htaccess", "id_rsa", "id_ed25519", "id_ecdsa", "id_dsa", "secrets.yml", "secrets.json", ".html4ignore", ".DS_Store", ".aws", ".kube", ".npmrc", ".gnupg", "config.json", "credentials.json")
files_to_exclude.addAll(defaultSensitiveFiles)

// ๋ณด์•ˆ ํ–ฅ์ƒ: .env, .git ๋“ฑ ๋ฏผ๊ฐํ•œ ์ •๋ณด๊ฐ€ ํฌํ•จ๋  ์ˆ˜ ์žˆ๋Š” ์ˆจ๊น€ ํŒŒ์ผ(.์œผ๋กœ ์‹œ์ž‘ํ•˜๋Š” ๋ชจ๋“  ํ•ญ๋ชฉ)์„ ๊ธฐ๋ณธ์ ์œผ๋กœ ๋…ธ์ถœํ•˜์ง€ ์•Š๋„๋ก ์ œ์™ธ (์ •๋ณด ๋…ธ์ถœ ๋ฐฉ์ง€)
// ๋ณด์•ˆ ํ–ฅ์ƒ: ์ˆจ๊น€ ํŒŒ์ผ ๋ฐ ํ”ํžˆ ์“ฐ์ด๋Š” ์ธ์ฆํ‚ค(.pem, .key), ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค(.sqlite, .db) ํ™•์žฅ์ž๋ฅผ ๋™์ ์œผ๋กœ ์ œ์™ธํ•˜์—ฌ ์ค‘์š” ์ •๋ณด ๋…ธ์ถœ ๋ฐฉ์ง€
(dirFilesNames ?: curr_dir.list())?.forEach {
if (it.startsWith(".")) {
val lowerCaseName = it.toLowerCase()
if (it.startsWith(".") ||
lowerCaseName.endsWith(".pem") ||
lowerCaseName.endsWith(".key") ||
lowerCaseName.endsWith(".sqlite") ||
lowerCaseName.endsWith(".db")) {
files_to_exclude.add(it)
}
}
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16 changes: 14 additions & 2 deletions src/test/kotlin/html4tree/MainTest.kt
Original file line number Diff line number Diff line change
Expand Up @@ -267,7 +267,7 @@ class MainTest {
fun testProcessIgnoreFileNoIgnore() {
val excluded = process_ignore_file(tempDir, null)
assertTrue(excluded.contains("index.html"))
assertEquals(17, excluded.size) // index.html + 16 default sensitive files
assertEquals(20, excluded.size) // index.html + 19 default sensitive files
}

@Test
Expand All @@ -277,7 +277,19 @@ class MainTest {

val excluded = process_ignore_file(tempDir, arrayOf("test1.txt", "test3.txt"))
assertTrue(excluded.contains("index.html"))
assertEquals(18, excluded.size) // index.html + 16 default sensitive + test1.txt
assertEquals(21, excluded.size) // index.html + 19 default sensitive + test1.txt
}

@Test
fun testProcessIgnoreFileDynamicExclusion() {
val fileNames = arrayOf("test.pem", "test.KEY", "mydb.sqlite", "app.DB", "safe.txt", ".hidden")
val excluded = process_ignore_file(tempDir, fileNames)
assertTrue(excluded.contains("test.pem"))
assertTrue(excluded.contains("test.KEY"))
assertTrue(excluded.contains("mydb.sqlite"))
assertTrue(excluded.contains("app.DB"))
assertTrue(excluded.contains(".hidden"))
assertFalse(excluded.contains("safe.txt"))
}

@Test
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