Control 보안 정책 설정 확장

This commit is contained in:
seo
2026-06-26 03:14:09 +09:00
parent 772984d9f0
commit 7a9d4af9ad
5 changed files with 380 additions and 179 deletions
+6 -146
View File
@@ -72,144 +72,6 @@ function human_remaining_seconds(int $seconds): string
return sprintf('%dm', max(1, $minutes));
}
function setting_definitions(): array
{
return [
'fan.auto_min_temp' => ['group' => 'fan', 'label' => '팬 시작 온도', 'type' => 'number', 'default' => 50, 'min' => 30, 'max' => 90, 'step' => 0.5, 'unit' => 'C'],
'fan.auto_max_temp' => ['group' => 'fan', 'label' => '팬 최대 온도', 'type' => 'number', 'default' => 80, 'min' => 45, 'max' => 100, 'step' => 0.5, 'unit' => 'C'],
'fan.full_temp' => ['group' => 'fan', 'label' => '즉시 최대 PWM 온도', 'type' => 'number', 'default' => 80, 'min' => 45, 'max' => 100, 'step' => 0.5, 'unit' => 'C'],
'fan.ramp_up_step' => ['group' => 'fan', 'label' => '자동 상승 PWM step', 'type' => 'number', 'default' => 2, 'min' => 1, 'max' => 80, 'step' => 1, 'unit' => 'PWM'],
'fan.ramp_down_step' => ['group' => 'fan', 'label' => '자동 하강 PWM step', 'type' => 'number', 'default' => 2, 'min' => 1, 'max' => 80, 'step' => 1, 'unit' => 'PWM'],
'event.recent_window_seconds' => ['group' => 'event', 'label' => '저전압/스로틀링 최근 판정창', 'type' => 'number', 'default' => 600, 'min' => 60, 'max' => 7200, 'step' => 30, 'unit' => '초'],
'event.recovery_seconds' => ['group' => 'event', 'label' => '복구 중 유지 시간', 'type' => 'number', 'default' => 300, 'min' => 30, 'max' => 3600, 'step' => 30, 'unit' => '초'],
'event.repeated_count' => ['group' => 'event', 'label' => '반복 발생 기준 횟수', 'type' => 'number', 'default' => 2, 'min' => 1, 'max' => 20, 'step' => 1, 'unit' => '회'],
'notice.baseline_samples' => ['group' => 'notice', 'label' => '팬 이상 기준 표본 수', 'type' => 'number', 'default' => 180, 'min' => 30, 'max' => 600, 'step' => 10, 'unit' => '개'],
'notice.baseline_skip_recent' => ['group' => 'notice', 'label' => '기준 계산 제외 최신 표본', 'type' => 'number', 'default' => 3, 'min' => 0, 'max' => 30, 'step' => 1, 'unit' => '개'],
'notice.rpm_delta_threshold' => ['group' => 'notice', 'label' => '팬 RPM 이상 감지 차이', 'type' => 'number', 'default' => 1000, 'min' => 100, 'max' => 5000, 'step' => 50, 'unit' => 'RPM'],
'notice.temp_delta_threshold' => ['group' => 'notice', 'label' => '온도 이상 감지 차이', 'type' => 'number', 'default' => 3.0, 'min' => 0.5, 'max' => 15, 'step' => 0.1, 'unit' => 'C'],
'notice.recover_rpm_delta' => ['group' => 'notice', 'label' => '팬 RPM 복구 차이', 'type' => 'number', 'default' => 500, 'min' => 50, 'max' => 3000, 'step' => 50, 'unit' => 'RPM'],
'notice.recover_temp_delta' => ['group' => 'notice', 'label' => '온도 복구 차이', 'type' => 'number', 'default' => 1.5, 'min' => 0.2, 'max' => 10, 'step' => 0.1, 'unit' => 'C'],
'battery.trend_hours' => ['group' => 'battery', 'label' => '단기 배터리 학습 범위', 'type' => 'number', 'default' => 24, 'min' => 1, 'max' => 48, 'step' => 1, 'unit' => '시간'],
'battery.profile_days' => ['group' => 'battery', 'label' => '장기 배터리 학습 범위', 'type' => 'number', 'default' => 45, 'min' => 3, 'max' => 90, 'step' => 1, 'unit' => '일'],
'battery.load_adjust_recent' => ['group' => 'battery', 'label' => '최근 추세 부하 보정 강도', 'type' => 'number', 'default' => 0.45, 'min' => 0, 'max' => 1, 'step' => 0.01, 'unit' => 'x'],
'battery.load_adjust_regression' => ['group' => 'battery', 'label' => '강건 회귀 부하 보정 강도', 'type' => 'number', 'default' => 0.38, 'min' => 0, 'max' => 1, 'step' => 0.01, 'unit' => 'x'],
'battery.load_adjust_voltage' => ['group' => 'battery', 'label' => '전압 후보 부하 보정 강도', 'type' => 'number', 'default' => 0.28, 'min' => 0, 'max' => 1, 'step' => 0.01, 'unit' => 'x'],
'battery.voltage_floor_high' => ['group' => 'battery', 'label' => '전압 하한 높음', 'type' => 'number', 'default' => 3.28, 'min' => 2.8, 'max' => 3.7, 'step' => 0.01, 'unit' => 'V'],
'battery.voltage_floor_mid' => ['group' => 'battery', 'label' => '전압 하한 중간', 'type' => 'number', 'default' => 3.18, 'min' => 2.8, 'max' => 3.7, 'step' => 0.01, 'unit' => 'V'],
'battery.voltage_floor_low' => ['group' => 'battery', 'label' => '전압 하한 낮음', 'type' => 'number', 'default' => 3.05, 'min' => 2.8, 'max' => 3.7, 'step' => 0.01, 'unit' => 'V'],
'battery.candidate_min_ratio' => ['group' => 'battery', 'label' => '후보 최소 속도 비율', 'type' => 'number', 'default' => 0.38, 'min' => 0.05, 'max' => 1, 'step' => 0.01, 'unit' => 'x'],
'battery.candidate_max_ratio' => ['group' => 'battery', 'label' => '후보 최대 속도 비율', 'type' => 'number', 'default' => 2.65, 'min' => 1, 'max' => 8, 'step' => 0.05, 'unit' => 'x'],
'battery.capacity_model_weight' => ['group' => 'battery', 'label' => '용량 모델 가중치', 'type' => 'number', 'default' => 0.18, 'min' => 0, 'max' => 1, 'step' => 0.01, 'unit' => 'x'],
];
}
function setting_rows(bool $reload = false): array
{
static $cache = null;
if (!$reload && $cache !== null) {
return $cache;
}
try {
$rows = db()->query("SELECT setting_key, setting_value FROM app_settings")->fetchAll();
} catch (Throwable) {
$cache = [];
return $cache;
}
$cache = [];
foreach ($rows as $row) {
$cache[(string)$row['setting_key']] = (string)$row['setting_value'];
}
return $cache;
}
function setting_value(string $key): int|float|string|bool|null
{
$defs = setting_definitions();
if (!isset($defs[$key])) {
return null;
}
$def = $defs[$key];
$raw = setting_rows()[$key] ?? $def['default'];
if (($def['type'] ?? '') === 'number') {
$value = is_numeric($raw) ? (float)$raw : (float)$def['default'];
$value = clamp_float($value, (float)$def['min'], (float)$def['max']);
return fmod((float)$def['step'], 1.0) === 0.0 ? (int)round($value) : $value;
}
return $raw;
}
function settings_payload(): array
{
$values = setting_rows();
$groups = [
'fan' => '팬 자동 제어',
'battery' => '배터리 예측',
'event' => '저전압/스로틀링',
'notice' => '팬 이상 감지',
];
$items = [];
foreach (setting_definitions() as $key => $def) {
$items[] = array_merge($def, [
'key' => $key,
'value' => setting_value($key),
'default' => $def['default'],
'custom' => array_key_exists($key, $values),
]);
}
return [
'groups' => $groups,
'items' => $items,
];
}
function save_settings(array $input): void
{
$defs = setting_definitions();
$stmt = db()->prepare("
INSERT INTO app_settings (setting_key, setting_value)
VALUES (:setting_key, :setting_value)
ON DUPLICATE KEY UPDATE
setting_value = VALUES(setting_value),
updated_at = CURRENT_TIMESTAMP
");
foreach ($input as $key => $value) {
if (!isset($defs[$key])) {
continue;
}
$def = $defs[$key];
if (($def['type'] ?? '') === 'number') {
if (!is_numeric($value)) {
continue;
}
$value = clamp_float((float)$value, (float)$def['min'], (float)$def['max']);
}
$stmt->execute([
':setting_key' => $key,
':setting_value' => (string)$value,
]);
}
setting_rows(true);
}
function reset_settings(): void
{
$keys = array_keys(setting_definitions());
if ($keys === []) {
return;
}
$placeholders = implode(',', array_fill(0, count($keys), '?'));
db()->prepare("DELETE FROM app_settings WHERE setting_key IN ($placeholders)")->execute($keys);
setting_rows(true);
}
function dmesg_log(): array
{
$path = '/tmp/dmesg.log';
@@ -876,11 +738,6 @@ function numeric_trimmed_average(array $values, float $trimRatio = 0.1): ?float
return array_sum($numbers) / count($numbers);
}
function clamp_float(float $value, float $min, float $max): float
{
return max($min, min($max, $value));
}
function weighted_linear_regression(array $points): ?array
{
$weightSum = 0.0;
@@ -3524,8 +3381,9 @@ function control_api_dispatch(): void
if ($action === 'reboot') {
$phrase = trim((string)($_POST['phrase'] ?? ''));
$password = (string)($_POST['password'] ?? '');
$expectedPhrase = (string)setting_value('security.reboot_phrase');
if ($phrase !== '재부팅') {
if ($phrase !== $expectedPhrase) {
json_out([
'ok' => false,
'error' => 'bad_reboot_phrase',
@@ -3549,7 +3407,7 @@ function control_api_dispatch(): void
true
);
$result = sh(['/usr/sbin/reboot'], true, 5);
$result = sh(['/usr/sbin/reboot'], true, (int)setting_value('security.reboot_timeout_seconds'));
if ($result['code'] !== 0) {
json_out([
'ok' => false,
@@ -3578,6 +3436,8 @@ function control_api_dispatch(): void
if (
!in_array($unit, $allowedUnits, true)
|| !in_array($verb, ['restart', 'reload'], true)
|| ($verb === 'restart' && !(bool)setting_value('security.allow_wifi_restart'))
|| ($verb === 'reload' && !(bool)setting_value('security.allow_wifi_reload'))
) {
json_out([
'ok' => false,
@@ -3585,7 +3445,7 @@ function control_api_dispatch(): void
], 400);
}
$result = sh(['/usr/bin/systemctl', $verb, $unit], true, 25);
$result = sh(['/usr/bin/systemctl', $verb, $unit], true, (int)setting_value('security.wifi_command_timeout_seconds'));
$out = $result['out'];
add_fan_action(
+72 -12
View File
@@ -616,6 +616,54 @@
if (!byGroup[group]) byGroup[group] = [];
byGroup[group].push(item);
});
const fieldHtml = item => {
const key = escapeHtml(item.key);
const value = item.value ?? item.default ?? '';
const type = item.type || 'number';
if (type === 'boolean') {
const checked = value === true || value === 1 || value === '1' || value === 'true';
return `
<span class="settings-toggle">
<input data-setting-key="${key}" type="checkbox" value="1" ${checked ? 'checked' : ''}>
<span>${checked ? 'ON' : 'OFF'}</span>
</span>
`;
}
if (type === 'select') {
const options = item.options || {};
return `
<select data-setting-key="${key}" class="settings-select">
${Object.entries(options).map(([optionValue, label]) => `
<option value="${escapeHtml(optionValue)}" ${String(optionValue) === String(value) ? 'selected' : ''}>${escapeHtml(label)}</option>
`).join('')}
</select>
`;
}
if (type === 'text') {
return `
<input
data-setting-key="${key}"
type="text"
maxlength="${escapeHtml(item.max_length ?? 255)}"
value="${escapeHtml(value)}">
`;
}
return `
<input
data-setting-key="${key}"
type="number"
min="${escapeHtml(item.min ?? '')}"
max="${escapeHtml(item.max ?? '')}"
step="${escapeHtml(item.step ?? '1')}"
value="${escapeHtml(value)}">
`;
};
const defaultValueText = item => {
if (item.type === 'select' && item.options && item.options[item.default]) {
return item.options[item.default];
}
return item.default ?? '';
};
els.settingsBody.innerHTML = Object.entries(byGroup).map(([group, items]) => `
<section class="settings-group">
@@ -628,20 +676,29 @@
<span>${escapeHtml(item.unit || '')}</span>
</span>
<span class="settings-control">
<input
data-setting-key="${escapeHtml(item.key)}"
type="number"
min="${escapeHtml(item.min ?? '')}"
max="${escapeHtml(item.max ?? '')}"
step="${escapeHtml(item.step ?? '1')}"
value="${escapeHtml(item.value ?? item.default ?? '')}">
<span class="settings-default">${t('settingsDefault')} ${escapeHtml(item.default ?? '')}</span>
${fieldHtml(item)}
<span class="settings-default">${t('settingsDefault')} ${escapeHtml(defaultValueText(item))}</span>
</span>
</label>
`).join('')}
</div>
</section>
`).join('');
els.settingsBody.querySelectorAll('.settings-toggle input').forEach(input => {
input.addEventListener('change', () => {
const label = input.closest('.settings-toggle')?.querySelector('span');
if (label) label.textContent = input.checked ? 'ON' : 'OFF';
});
input.closest('.settings-toggle')?.addEventListener('click', () => {
input.checked = !input.checked;
input.dispatchEvent(new Event('change'));
});
});
}
function settingByKey(key, fallback = null) {
const item = (state.settingsPayload?.items || []).find(row => row.key === key);
return item ? item.value : fallback;
}
async function openSettings() {
@@ -668,7 +725,9 @@
function currentSettingsFormValues() {
const values = {};
els.settingsBody?.querySelectorAll('[data-setting-key]').forEach(input => {
values[input.dataset.settingKey] = input.value;
values[input.dataset.settingKey] = input.type === 'checkbox'
? (input.checked ? '1' : '0')
: input.value;
});
return values;
}
@@ -1906,12 +1965,13 @@
title: t('rebootTitle'),
okText: t('next'),
danger: true,
placeholder: t('rebootPhrase'),
placeholder: String(settingByKey('security.reboot_phrase', t('rebootPhrase'))),
autocomplete: 'off',
});
if (phrase === null) return;
if (String(phrase).trim() !== t('rebootPhrase')) {
const expectedPhrase = String(settingByKey('security.reboot_phrase', t('rebootPhrase')));
if (String(phrase).trim() !== expectedPhrase) {
await window.customAlert(t('rebootPhraseMismatch'), {
title: t('rebootCanceled'),
danger: true,
@@ -1932,7 +1992,7 @@
els.rebootBtn.disabled = true;
notice(t('rebootSending'), 'info');
await api('reboot', {
phrase: '재부팅',
phrase: expectedPhrase,
password,
});
await window.customAlert(t('rebootStartedBody'), {
+27 -4
View File
@@ -6,6 +6,8 @@ if (session_status() !== PHP_SESSION_ACTIVE) {
}
require_once __DIR__ . '/../config/config.php';
$csrf = csrf_token();
if (isset($_GET['logout'])) {
clear_remember_token();
$_SESSION = [];
@@ -20,9 +22,24 @@ if (isset($_GET['logout'])) {
$error = '';
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['login_password'])) {
if (hash_equals(APP_PASSWORD, (string)$_POST['login_password'])) {
$now = time();
$failures = array_values(array_filter(
(array)($_SESSION['login_failures'] ?? []),
static fn($ts): bool => is_numeric($ts) && $now - (int)$ts <= (int)setting_value('security.login_window_seconds')
));
$_SESSION['login_failures'] = $failures;
$lockedUntil = (int)($_SESSION['login_locked_until'] ?? 0);
$csrfOk = !(bool)setting_value('security.login_csrf_required')
|| hash_equals($csrf, (string)($_POST['csrf'] ?? ''));
if ($lockedUntil > $now) {
$error = '로그인 잠금 중입니다. 잠시 후 다시 시도하세요.';
} elseif (!$csrfOk) {
$error = '보안 토큰이 올바르지 않습니다.';
} elseif (hash_equals(APP_PASSWORD, (string)$_POST['login_password'])) {
session_regenerate_id(true);
$_SESSION['control_login'] = true;
unset($_SESSION['login_failures'], $_SESSION['login_locked_until']);
if (!empty($_POST['remember_login'])) {
issue_remember_token();
} else {
@@ -30,12 +47,17 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['login_password'])) {
}
header('Location: /');
exit;
} else {
$failures[] = $now;
$_SESSION['login_failures'] = $failures;
if (count($failures) >= (int)setting_value('security.login_max_failures')) {
$_SESSION['login_locked_until'] = $now + (int)setting_value('security.login_lock_seconds');
}
$error = '비밀번호가 올바르지 않습니다.';
}
$error = '비밀번호가 올바르지 않습니다.';
}
$loggedIn = signed_in();
$csrf = csrf_token();
?>
<!doctype html>
@@ -113,7 +135,7 @@ html[data-theme="light"] .details-panel{background:#edf3fa;border-color:#b8c7da}
.notice{position:fixed;right:20px;bottom:20px;min-width:220px;max-width:420px;padding:14px 16px;border-radius:14px;font-weight:500;background:var(--table-head);color:var(--text);border:1px solid var(--line);box-shadow:var(--shadow);z-index:99}.notice:empty{display:none}.notice[data-type=success]{border-color:rgba(53,196,107,.5)}.notice[data-type=error]{border-color:rgba(255,95,87,.5)}
.status-value.interactive{cursor:help;text-decoration:underline;text-decoration-style:dotted;text-decoration-thickness:1px;text-underline-offset:4px}.runtime-tooltip{position:fixed;left:0;top:0;z-index:110;display:none;width:min(520px,calc(100vw - 28px));max-height:calc(100vh - 28px);overflow:hidden;padding:14px 16px;border:1px solid rgba(84,101,128,.78);border-radius:16px;background:var(--card);color:var(--text);box-shadow:0 18px 48px rgba(0,0,0,.38);font-size:13px;line-height:1.55;white-space:pre-line;word-break:keep-all;overflow-wrap:anywhere;pointer-events:none}.runtime-tooltip[data-open="1"]{display:block}.runtime-tooltip::before{content:"";position:absolute;left:18px;top:-7px;width:12px;height:12px;border-left:1px solid rgba(84,101,128,.78);border-top:1px solid rgba(84,101,128,.78);background:var(--card);transform:rotate(45deg)}html[data-theme="light"] .runtime-tooltip{background:#f8fbff;border-color:#aebed2;color:#172033;box-shadow:0 18px 44px rgba(28,43,64,.18)}html[data-theme="light"] .runtime-tooltip::before{background:#f8fbff;border-color:#aebed2}
.dialog-layer{position:fixed;inset:0;display:none;align-items:center;justify-content:center;padding:22px;background:rgba(4,7,12,.68);backdrop-filter:blur(8px);z-index:120}.dialog-layer[data-open="1"]{display:flex}.dialog-box{width:min(430px,100%);border:1px solid rgba(84,101,128,.78);border-radius:20px;background:var(--card);box-shadow:0 24px 70px rgba(0,0,0,.42);padding:20px}.dialog-box h3{margin:0 0 8px;font-size:19px;font-weight:500}.dialog-message{margin:0 0 16px;color:var(--sub);line-height:1.5;white-space:pre-wrap}.dialog-input{width:100%;height:48px;margin-bottom:14px;border-radius:14px;border:1px solid var(--line);background:var(--input);color:var(--text);padding:0 14px;outline:none}.dialog-input:focus{outline:2px solid rgba(59,130,246,.65);outline-offset:2px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px}.dialog-actions .btn{min-width:84px}.dialog-actions .btn.red{background:#c62828}
.settings-layer{align-items:stretch}.settings-box{width:min(980px,100%);max-height:calc(100vh - 44px);display:grid;grid-template-rows:auto minmax(0,1fr) auto;padding:0;overflow:hidden}.settings-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:18px 20px;border-bottom:1px solid var(--line)}.settings-sub{margin:0;color:var(--sub);font-size:13px}.settings-body{overflow:auto;padding:16px 20px;display:grid;gap:14px}.settings-group{border:1px solid var(--line);border-radius:16px;background:var(--card2);padding:14px}.settings-group h4{margin:0 0 12px;font-size:15px}.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.settings-field{display:grid;gap:7px;min-width:0}.settings-label{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--sub);font-size:13px}.settings-label span:last-child{white-space:nowrap;color:var(--sub)}.settings-control{display:flex;align-items:center;gap:9px}.settings-control input{width:100%;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--input);color:var(--text);padding:0 12px;outline:none}.settings-control input:focus{outline:2px solid rgba(59,130,246,.65);outline-offset:2px}.settings-default{font-size:12px;color:var(--sub);white-space:nowrap}.settings-actions{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line)}
.settings-layer{align-items:stretch}.settings-box{width:min(980px,100%);max-height:calc(100vh - 44px);display:grid;grid-template-rows:auto minmax(0,1fr) auto;padding:0;overflow:hidden}.settings-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:18px 20px;border-bottom:1px solid var(--line)}.settings-sub{margin:0;color:var(--sub);font-size:13px}.settings-body{overflow:auto;padding:16px 20px;display:grid;gap:14px}.settings-group{border:1px solid var(--line);border-radius:16px;background:var(--card2);padding:14px}.settings-group h4{margin:0 0 12px;font-size:15px}.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.settings-field{display:grid;gap:7px;min-width:0}.settings-label{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--sub);font-size:13px}.settings-label span:last-child{white-space:nowrap;color:var(--sub)}.settings-control{display:flex;align-items:center;gap:9px}.settings-control input,.settings-select{width:100%;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--input);color:var(--text);padding:0 12px;outline:none}.settings-control input:focus,.settings-select:focus{outline:2px solid rgba(59,130,246,.65);outline-offset:2px}.settings-toggle{display:flex;align-items:center;width:100%;height:42px;border:1px solid var(--line);border-radius:12px;background:var(--input);padding:4px;cursor:pointer}.settings-toggle input{position:absolute;opacity:0;pointer-events:none}.settings-toggle span{display:grid;place-items:center;width:72px;height:32px;border-radius:10px;background:#334155;color:#cbd5e1;font-weight:700;font-size:12px}.settings-toggle input:checked+span{background:var(--blue);color:#fff}.settings-default{font-size:12px;color:var(--sub);white-space:nowrap}.settings-actions{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line)}
@media(max-width:1320px){.chart-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1100px){.layout{grid-template-columns:1fr}.chart-grid,.resource-grid{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.topbar-right{width:100%}.topbar-right .btn{flex:1}.stat-grid{grid-template-columns:1fr}.resource-head{align-items:flex-start;flex-direction:column}.baseline-pill{text-align:left;white-space:normal}}
@media(max-width:720px){.settings-grid{grid-template-columns:1fr}.settings-head{align-items:stretch;flex-direction:column}.settings-actions{display:grid;grid-template-columns:1fr 1fr}.settings-box{max-height:calc(100vh - 24px)}}
@@ -126,6 +148,7 @@ html[data-theme="light"] .details-panel{background:#edf3fa;border-color:#b8c7da}
<h1><?= e(APP_NAME) ?></h1>
<p>Fan and WiFi control panel</p>
<input type="password" name="login_password" class="input" placeholder="Password" autofocus>
<input type="hidden" name="csrf" value="<?= e($csrf) ?>">
<label class="remember-row">
<input type="checkbox" name="remember_login" value="1" checked>
<span>자동로그인 유지</span>