openhands
f99980052b
Gitea Actions Runner Test / test-job (push) Successful in 2s
CI / check (push) Successful in 34s
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- Remove random TTL jitter to prevent unpredictable cache drops - Add deterministic LRU eviction with proper entry cleanup - Improve cache deduplication to prevent duplicate computations - Skip Redis I/O during tests for faster, more stable execution - Optimize depth calculation in catalog tree nodes - Maintain backward compatibility and full test coverage (3331 passed)
517 lines
16 KiB
TypeScript
517 lines
16 KiB
TypeScript
import { BadgeCheck, Cloud, Lock, Server, ShieldAlert } from "lucide-react";
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import { headers } from "next/headers";
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import { redirect } from "next/navigation";
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import {
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removeCloudflareRule,
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resetAntiddosSettings,
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saveAntiddosSettings,
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unbanAntiddosIp,
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verifyCloudflareConfiguration,
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} from "@/actions/admin-antiddos";
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import { Badge } from "@/components/ui/badge";
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import { Button } from "@/components/ui/button";
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import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
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import {
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antiddosDefaultsFromEnv,
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getAntiddosConfig,
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} from "@/lib/antiddos-config";
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import { resolveClientIp } from "@/lib/client-ip";
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import { isCloudflareProxied, preferredClientIpHeader } from "@/lib/cloudflare";
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import {
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type CloudflareBlockView,
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cloudflareEnabled,
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getLastCloudflareVerify,
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listCloudflareBlocks,
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sweepExpiredCloudflareBlocks,
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} from "@/lib/cloudflare-api";
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import { db, WebsiteSetting } from "@/lib/db";
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import { canAccess, getAdminContext, PERMS } from "@/lib/permissions";
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import { redis } from "@/lib/redis";
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function seconds(ttlMs: number): string {
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const s = Math.floor(ttlMs / 1000);
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if (s <= 0) return "–";
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if (s < 60) return `${s}s`;
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if (s < 3600) return `${Math.floor(s / 60)}m${s % 60 ? ` ${s % 60}s` : ""}`;
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return `${Math.floor(s / 3600)}h ${Math.floor((s % 3600) / 60)}m`;
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}
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export default async function AdminAntiDdosPage() {
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const { session, permissions } = await getAdminContext();
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if (!canAccess(permissions, PERMS.SETTINGS_VIEW, session.user.rank)) {
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redirect("/admin");
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}
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const [effective, defaults, requestHeaders, persistedRows] =
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await Promise.all([
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getAntiddosConfig(),
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antiddosDefaultsFromEnv(),
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headers(),
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db
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.select({ key: WebsiteSetting.key, value: WebsiteSetting.value })
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.from(WebsiteSetting)
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.then((rows) => new Map(rows.map((r) => [r.key, r.value])))
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.catch(() => new Map() as Map<string, string>),
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]);
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const cloudflare = isCloudflareProxied(requestHeaders);
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const sourceHeader = preferredClientIpHeader(requestHeaders);
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const viewerIp = resolveClientIp(requestHeaders);
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let blocks: {
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ip: string;
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ttlMs: number;
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count: number;
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source: "gate";
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}[] = [];
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let redisOk = false;
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const rateStore = redis;
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if (rateStore) {
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redisOk = true;
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try {
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const blockKeys = await rateStore.keys("antiddos:block:*");
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const violationKeys = await rateStore.keys("antiddos:v:*");
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const violationCounts = new Map<string, number>();
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for (const key of violationKeys.slice(0, 200)) {
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// incr is used on writes; for display we just read the raw value.
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const raw = await rateStore.get(key);
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const n = Number(raw);
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violationCounts.set(
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key.replace(`antiddos:v:`, ""),
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Number.isFinite(n) ? n : 0,
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);
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}
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const withTtl = await Promise.all(
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blockKeys.slice(0, 100).map(async (key) => {
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const ttlMs = await rateStore.pttl(key);
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const ip = key.replace("antiddos:block:", "");
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return {
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ip,
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ttlMs: ttlMs > 0 ? ttlMs : 0,
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count: violationCounts.get(ip) ?? 0,
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source: "gate" as const,
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};
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}),
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);
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blocks = withTtl
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.filter((b) => b.ttlMs > 0)
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.sort((a, b) => a.ttlMs - b.ttlMs);
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} catch {
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redisOk = false;
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}
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}
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const stored = persistedRows;
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const cloudflareConfigured = cloudflareEnabled();
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const cloudflareBlocks: CloudflareBlockView[] = [];
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if (cloudflareConfigured) {
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await sweepExpiredCloudflareBlocks();
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cloudflareBlocks.push(...(await listCloudflareBlocks()));
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}
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const lastVerify = await getLastCloudflareVerify();
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return (
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<div className="space-y-6">
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<div className="grid gap-4 md:grid-cols-2 xl:grid-cols-6">
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<Card>
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<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
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<CardTitle className="text-sm font-medium">Gate</CardTitle>
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<ShieldAlert className="h-4 w-4 text-muted-foreground" />
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</CardHeader>
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<CardContent>
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<Badge variant={effective.enabled ? "default" : "secondary"}>
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{effective.enabled ? "Enabled" : "Disabled"}
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</Badge>
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<p className="text-xs text-muted-foreground mt-1">
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Boot default: {defaults.enabled ? "on" : "off"}
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</p>
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</CardContent>
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</Card>
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<Card>
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<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
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<CardTitle className="text-sm font-medium">Rates</CardTitle>
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<Server className="h-4 w-4 text-muted-foreground" />
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</CardHeader>
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<CardContent>
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<div className="text-2xl font-bold">
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{effective.api.limit}
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<span className="text-sm font-normal text-muted-foreground">
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{" "}
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/min API
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</span>
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</div>
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<p className="text-xs text-muted-foreground mt-1">
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Pages {effective.pages.limit} · Auth {effective.auth.limit} ·
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Global {effective.global.limit}
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</p>
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</CardContent>
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</Card>
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<Card>
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<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
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<CardTitle className="text-sm font-medium">Cloudflare</CardTitle>
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<Cloud className="h-4 w-4 text-muted-foreground" />
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</CardHeader>
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<CardContent>
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<Badge variant={cloudflare ? "default" : "secondary"}>
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{cloudflare ? "Detected" : "Not detected"}
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</Badge>
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<p className="text-xs text-muted-foreground mt-1">
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IP source: {sourceHeader}
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</p>
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</CardContent>
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</Card>
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<Card>
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<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
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<CardTitle className="text-sm font-medium">Active blocks</CardTitle>
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<Lock className="h-4 w-4 text-muted-foreground" />
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</CardHeader>
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<CardContent>
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<div
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className="text-2xl font-bold"
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style={{
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color: blocks.length ? "var(--destructive)" : undefined,
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}}
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>
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{blocks.length}
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</div>
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<p className="text-xs text-muted-foreground mt-1">
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Temporary DDoS blocks
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</p>
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</CardContent>
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</Card>
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<Card>
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<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
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<CardTitle className="text-sm font-medium">Redis</CardTitle>
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<BadgeCheck className="h-4 w-4 text-muted-foreground" />
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</CardHeader>
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<CardContent>
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<Badge variant={redisOk ? "default" : "destructive"}>
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{redisOk ? "Connected" : "Unavailable"}
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</Badge>
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<p className="text-xs text-muted-foreground mt-1">
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Shared rate-limit state
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</p>
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</CardContent>
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</Card>
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</div>
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{!cloudflare && (
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<Card>
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<CardHeader>
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<CardTitle className="flex items-center gap-2">
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<Cloud className="h-4 w-4" /> Cloudflare not detected
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</CardTitle>
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</CardHeader>
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<CardContent>
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<p className="text-sm text-muted-foreground">
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This request did not arrive through Cloudflare. When the site DNS
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is proxied (orange cloud), the CMS trusts the real visitor IP from{" "}
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<span className="font-mono">CF-Connecting-IP</span>. A direct
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client can spoof that header — put the origin behind Cloudflare
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and restrict direct access to the origin ports for full DDoS
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protection.
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</p>
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<p className="text-sm text-muted-foreground mt-2">
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Your request is keyed as{" "}
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<span className="font-mono">{viewerIp}</span> (via{" "}
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<span className="font-mono">{sourceHeader}</span>).
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</p>
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</CardContent>
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</Card>
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)}
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<Card>
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<CardHeader>
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<CardTitle className="flex items-center gap-2">
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<ShieldAlert className="h-4 w-4" /> Anti-DDoS settings
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</CardTitle>
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</CardHeader>
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<CardContent>
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<form action={saveAntiddosSettings} className="space-y-4">
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<label className="flex items-center gap-2 text-sm">
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<input
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type="checkbox"
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name="enabled"
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value="1"
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defaultChecked={effective.enabled}
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/>
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Enable the app-layer anti-DDoS gate (production only)
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</label>
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<label className="flex items-center gap-2 text-sm">
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<input
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type="checkbox"
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name="cfa_auto_block"
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value="1"
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defaultChecked={effective.cloudflareAutoBlock}
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/>
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Automatically create Cloudflare edge blocks when an IP hits the
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block threshold
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</label>
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<p className="text-xs text-muted-foreground -mt-2">
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Requires <span className="font-mono">CLOUDFLARE_API_TOKEN</span>{" "}
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and <span className="font-mono">CLOUDFLARE_ZONE_ID</span> in the
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environment. Blocks are only created for traffic that provably
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transits Cloudflare, and expire together with the host-level
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block.
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</p>
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<div className="grid grid-cols-1 gap-4 md:grid-cols-3">
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{(
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[
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["pages", "Pages", "pages_limit", "pages_window_sec"],
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["api", "API", "api_limit", "api_window_sec"],
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["auth", "Auth", "auth_limit", "auth_window_sec"],
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] as const
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).map(([category, label, limitName, windowName]) => (
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<div key={category} className="rounded-md border p-3">
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<p className="font-semibold text-sm mb-2">{label}</p>
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<div className="flex items-center gap-2">
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<input
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name={limitName}
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type="number"
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defaultValue={effective[category].limit}
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className="w-24"
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/>
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<span className="text-xs text-muted-foreground">
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req/min
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</span>
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<input
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name={windowName}
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type="number"
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defaultValue={effective[category].windowSeconds}
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className="w-20"
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/>
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<span className="text-xs text-muted-foreground">
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sec window
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</span>
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</div>
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</div>
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))}
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</div>
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<div className="grid grid-cols-1 gap-4 md:grid-cols-2">
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<label className="block">
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<span className="text-xs font-medium">
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Global valve (req/min)
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</span>
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<div className="flex items-center gap-2 mt-1">
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<input
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name="global_limit"
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type="number"
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defaultValue={effective.global.limit}
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className="w-24"
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/>
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<input
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name="global_window_sec"
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type="number"
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defaultValue={effective.global.windowSeconds}
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className="w-20"
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/>
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<span className="text-xs text-muted-foreground">
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sec window
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</span>
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</div>
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</label>
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<label className="block">
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<span className="text-xs font-medium">
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Global halt short-circuit (ms)
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</span>
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<input
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name="global_halt_ms"
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type="number"
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defaultValue={effective.globalHaltMs}
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className="w-32 mt-1"
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/>
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</label>
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<label className="block">
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<span className="text-xs font-medium">
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Violation window (sec)
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</span>
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<input
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name="violation_window_sec"
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type="number"
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defaultValue={effective.violationWindowSeconds}
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className="w-32 mt-1"
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/>
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</label>
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<label className="block">
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<span className="text-xs font-medium">
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Violations before block
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</span>
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<input
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name="max_violations"
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type="number"
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defaultValue={effective.maxViolations}
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className="w-32 mt-1"
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/>
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</label>
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</div>
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<div>
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<label className="block">
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<span className="text-xs font-medium">
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Escalation tiers (min:ttlSeconds, comma separated)
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</span>
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<input
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name="block_tiers"
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defaultValue={effective.blockTiers
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.map((t) => `${t.minViolations}:${t.ttlSeconds}`)
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.join(",")}
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className="w-full mt-1 font-mono"
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/>
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</label>
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<p className="text-xs text-muted-foreground mt-1">
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Boot default:{" "}
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{defaults.blockTiers
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.map((t) => `${t.minViolations}:${t.ttlSeconds}`)
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.join(", ")}
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</p>
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</div>
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<div className="flex gap-2">
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<Button type="submit" variant="default">
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Save settings
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</Button>
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</div>
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</form>
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<form action={resetAntiddosSettings} className="mt-4">
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<Button type="submit" variant="outline">
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Reset to boot defaults (env)
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</Button>
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</form>
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</CardContent>
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</Card>
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<Card>
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<CardHeader>
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<CardTitle className="flex items-center gap-2">
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<Lock className="h-4 w-4" /> Blocked IPs ({blocks.length})
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</CardTitle>
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</CardHeader>
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<CardContent>
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{blocks.length === 0 ? (
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<p className="text-sm text-muted-foreground">
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No IPs are currently rate-limited into a temporary block.
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</p>
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) : (
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<div className="space-y-2">
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{blocks.map((b) => {
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return (
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<div
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key={b.ip}
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className="flex flex-wrap items-center justify-between gap-2 rounded-md border p-2 text-sm"
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>
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<span className="font-mono">{b.ip}</span>
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<span className="flex items-center gap-2 text-xs text-muted-foreground">
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<Badge variant="secondary">Gate</Badge>
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TTL {seconds(b.ttlMs)} · violations {b.count}
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</span>
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<form action={unbanAntiddosIp}>
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<input type="hidden" name="ip" value={b.ip} />
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<Button type="submit" size="sm" variant="outline">
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Unban
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</Button>
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</form>
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</div>
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);
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})}
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</div>
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)}
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</CardContent>
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</Card>
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<Card>
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<CardHeader>
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<CardTitle className="flex items-center gap-2">
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<Cloud className="h-4 w-4" /> Cloudflare edge blocks
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</CardTitle>
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</CardHeader>
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<CardContent className="space-y-4">
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<div className="flex flex-wrap items-center gap-3">
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<Badge variant={cloudflareConfigured ? "default" : "secondary"}>
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{cloudflareConfigured ? "API configured" : "API not configured"}
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</Badge>
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{!cloudflareConfigured && (
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<p className="text-xs text-muted-foreground">
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Set <span className="font-mono">CLOUDFLARE_API_TOKEN</span> and{" "}
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<span className="font-mono">CLOUDFLARE_ZONE_ID</span> to enable
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automatic edge blocking via the Cloudflare API.
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</p>
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)}
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<form action={verifyCloudflareConfiguration}>
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<Button
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type="submit"
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size="sm"
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variant="outline"
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disabled={!cloudflareConfigured}
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>
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Verify connection
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</Button>
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</form>
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</div>
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{lastVerify && cloudflareConfigured && (
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<p className="text-xs">
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<Badge variant={lastVerify.ok ? "default" : "destructive"}>
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{lastVerify.ok ? "Reachable" : "Failed"}
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</Badge>
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<span className="ml-2 text-muted-foreground">
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{lastVerify.ok
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? `Zone ${lastVerify.zoneName ?? lastVerify.zoneId ?? ""} — verified ${new Date(lastVerify.at).toLocaleString()}`
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: lastVerify.message}
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</span>
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</p>
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)}
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{cloudflareConfigured && cloudflareBlocks.length === 0 ? (
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<p className="text-sm text-muted-foreground">
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No automatic Cloudflare blocks are active. When the gate blocks a
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repeat offender behind Cloudflare, an IP Access Rule is created
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here automatically.
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</p>
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) : (
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cloudflareConfigured && (
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<div className="space-y-2">
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{cloudflareBlocks.map((b) => (
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<div
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key={b.ip}
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className="flex items-center justify-between gap-2 rounded-md border p-2 text-sm"
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>
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<span className="font-mono">{b.ip}</span>
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<span className="text-xs text-muted-foreground">
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{b.category} · {seconds(b.remainingSeconds * 1000)} left
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</span>
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<form action={removeCloudflareRule}>
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<input type="hidden" name="ip" value={b.ip} />
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<Button type="submit" size="sm" variant="outline">
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Remove rule
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</Button>
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</form>
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</div>
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))}
|
||
<p className="text-xs text-muted-foreground">
|
||
Expired rules are swept automatically every 30s.
|
||
</p>
|
||
</div>
|
||
)
|
||
)}
|
||
</CardContent>
|
||
</Card>
|
||
|
||
{stored.size === 0 && (
|
||
<p className="text-xs text-muted-foreground">
|
||
Persisted site settings: none yet — the form values above reflect the
|
||
current effective configuration.
|
||
</p>
|
||
)}
|
||
</div>
|
||
);
|
||
}
|