2026-09-28 15:48:35 +08:00
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<?php
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/**
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* 简航 SimpleNav —— 管理员登录 / 首次初始化
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*/
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declare(strict_types=1);
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require_once __DIR__ . '/functions.php';
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if (session_status() !== PHP_SESSION_ACTIVE) {
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session_start();
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}
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2026-09-28 16:43:10 +08:00
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send_no_cache();
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2026-09-28 15:48:35 +08:00
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$hasAdmin = (int)db()->query('SELECT COUNT(*) FROM users')->fetchColumn() > 0;
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$err = '';
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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$u = trim((string)($_POST['username'] ?? ''));
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$p = (string)($_POST['password'] ?? '');
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if ($u === '' || $p === '') {
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$err = '请输入用户名和密码';
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} elseif (mb_strlen($p) < 4) {
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$err = '密码至少 4 位';
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} elseif (!$hasAdmin) {
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// 首次创建管理员
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$st = db()->prepare('INSERT INTO users (username, password_hash, created_at) VALUES (?,?,?)');
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$st->execute([$u, password_hash($p, PASSWORD_DEFAULT), date('Y-m-d H:i:s')]);
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$_SESSION['uid'] = (int)db()->lastInsertId();
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header('Location: ' . url('admin/'));
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exit;
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} else {
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// 登录校验
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$st = db()->prepare('SELECT * FROM users WHERE username=? LIMIT 1');
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$st->execute([$u]);
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$row = $st->fetch();
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if ($row && password_verify($p, $row['password_hash'])) {
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$_SESSION['uid'] = (int)$row['id'];
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header('Location: ' . url('admin/'));
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exit;
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}
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$err = '用户名或密码错误';
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}
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}
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$title = $hasAdmin ? '登录' : '初始化管理员';
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?><!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title><?= e($title) ?> · <?= e(site_name()) ?></title>
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2026-09-28 16:43:10 +08:00
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<link rel="stylesheet" href="<?= e(asset('assets/css/style.css')) ?>">
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<link rel="stylesheet" href="<?= e(asset('assets/css/admin.css')) ?>">
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<link rel="icon" href="<?= e(asset('favicon.ico')) ?>" sizes="any">
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2026-09-28 15:48:35 +08:00
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</head>
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<body class="admin">
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<div class="login-wrap">
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<form class="login-card" method="post" action="">
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<img class="login-logo" src="<?= e(url('assets/img/logo.svg')) ?>" alt="" onerror="this.style.display='none'">
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<h1><?= e(site_name()) ?></h1>
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<p class="sub"><?= $hasAdmin ? '管理员登录' : '首次使用，请创建管理员账号' ?></p>
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<?php if ($err): ?><div class="alert"><?= e($err) ?></div><?php endif; ?>
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<input type="text" name="username" placeholder="用户名" autocomplete="username" required>
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<input type="password" name="password" placeholder="密码" autocomplete="<?= $hasAdmin ? 'current-password' : 'new-password' ?>" required>
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<button type="submit" class="btn primary block"><?= $hasAdmin ? '登录' : '创建并进入' ?></button>
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</form>
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</div>
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</body>
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</html>
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