324 lines
9.1 KiB
TypeScript
324 lines
9.1 KiB
TypeScript
import { useState, type FormEvent, type ReactNode } from "react";
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import { useQuery, useSuspenseQuery } from "@tanstack/react-query";
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import * as stylex from "@stylexjs/stylex";
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import { ApiError } from "@/lib/api";
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import { groupsQuery, lookupQuery } from "@/lib/queries";
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import type { Group, LookupResult } from "@/lib/types";
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import { defaultGroupId } from "@/lib/defaultGroup";
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import Select from "@/ui/Select";
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import { styles as shared } from "@/ui/styles";
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import { colors } from "@/ui/tokens.stylex";
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const DARK = "@media (prefers-color-scheme: dark)";
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interface Submitted {
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domain: string;
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groupId: number;
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}
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interface Verdict {
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label: string;
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tone: "local" | "blocked" | "forwarded" | "allowed";
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description: string;
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}
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const styles = stylex.create({
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heading: {
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fontSize: "1.5rem",
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lineHeight: "2rem",
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fontWeight: 600,
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},
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intro: {
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marginTop: "0.5rem",
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color: colors.textMuted,
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},
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form: {
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marginTop: "1.5rem",
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display: "flex",
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maxWidth: "42rem",
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flexWrap: "wrap",
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alignItems: "flex-end",
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gap: "0.75rem",
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},
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domainField: {
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minWidth: "14rem",
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flexGrow: 1,
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},
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fieldLabel: {
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display: "block",
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fontSize: "0.875rem",
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lineHeight: "1.25rem",
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fontWeight: 500,
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},
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note: {
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marginTop: "1.5rem",
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color: colors.textMuted,
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},
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error: {
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marginTop: "1.5rem",
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fontSize: "0.875rem",
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lineHeight: "1.25rem",
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color: colors.danger,
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},
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card: {
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marginTop: "1.5rem",
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borderRadius: "0.25rem",
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borderWidth: 1,
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borderStyle: "solid",
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borderColor: colors.border,
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},
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banner: {
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borderStartStartRadius: "0.25rem",
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borderStartEndRadius: "0.25rem",
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paddingInline: "1rem",
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paddingBlock: "0.75rem",
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},
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/** Four verdicts need four tints; only "blocked" maps onto a token role. */
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local: {
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backgroundColor: { default: "oklch(93.2% 0.032 255.585)", [DARK]: "oklch(28.2% 0.091 267.935)" },
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color: { default: "oklch(42.4% 0.199 265.638)", [DARK]: "oklch(80.9% 0.105 251.813)" },
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},
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blocked: {
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backgroundColor: { default: "oklch(93.6% 0.032 17.717)", [DARK]: "oklch(25.8% 0.092 26.042)" },
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color: { default: "oklch(44.4% 0.177 26.899)", [DARK]: "oklch(80.8% 0.114 19.571)" },
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},
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forwarded: {
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backgroundColor: { default: "oklch(96.2% 0.059 95.617)", [DARK]: "oklch(27.9% 0.077 45.635)" },
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color: { default: "oklch(47.3% 0.137 46.201)", [DARK]: "oklch(87.9% 0.169 91.605)" },
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},
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allowed: {
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backgroundColor: { default: "oklch(96.2% 0.044 156.743)", [DARK]: "oklch(26.6% 0.065 152.934)" },
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color: { default: "oklch(44.8% 0.119 151.328)", [DARK]: "oklch(87.1% 0.15 154.449)" },
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},
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verdictLabel: {
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fontSize: "1.125rem",
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lineHeight: "1.75rem",
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fontWeight: 600,
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},
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verdictDescription: {
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fontSize: "0.875rem",
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lineHeight: "1.25rem",
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},
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details: {
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paddingInline: "1rem",
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paddingBlock: "0.5rem",
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fontSize: "0.875rem",
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lineHeight: "1.25rem",
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},
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/** `divide-y`: a hairline between rows, so the first row carries none. */
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detailRow: {
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display: "flex",
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gap: "1rem",
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paddingBlock: "0.5rem",
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borderTopWidth: { default: 1, ":first-child": 0 },
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borderTopStyle: "solid",
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borderTopColor: colors.border,
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},
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detailTerm: {
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width: "10rem",
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flexShrink: 0,
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color: colors.textMuted,
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},
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detailValue: {
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minWidth: 0,
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overflowWrap: "break-word",
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},
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sourceLink: {
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color: colors.primaryOnSurface,
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textDecorationLine: "underline",
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},
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});
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function toneStyle(tone: Verdict["tone"]) {
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if (tone === "local") return styles.local;
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if (tone === "blocked") return styles.blocked;
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return tone === "forwarded" ? styles.forwarded : styles.allowed;
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}
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/**
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* Header priority follows the pipeline order the lookup handler documents
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* (PLAN §6): local records answer first, then the block decision, then
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* forward zones, then plain forwarding to the upstream pool.
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*/
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export function verdictOf(result: LookupResult): Verdict {
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if (result.local_records) {
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return {
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label: "Local answer",
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tone: "local",
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description: "A local record answers this name directly.",
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};
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}
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if (result.blocked) {
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return {
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label: "Blocked",
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tone: "blocked",
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description: "Queries for this name get a blocked response.",
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};
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}
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if (result.forward_zone !== null) {
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return {
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label: "Forwarded",
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tone: "forwarded",
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description: `Queries go to the resolver for zone ${result.forward_zone}.`,
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};
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}
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return {
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label: "Allowed",
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tone: "allowed",
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description: "Queries resolve through the upstream pool.",
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};
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}
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function errorMessage(error: unknown): string {
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if (error instanceof ApiError) {
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if (error.status === 503) {
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return "No filter snapshot is loaded yet — the server is starting or degraded. Try again shortly.";
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}
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if (error.status === 429) {
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return error.retryAfter !== undefined
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? `Rate limited. Try again in ${error.retryAfter}s.`
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: "Rate limited. Try again shortly.";
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}
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return error.message;
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}
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return "Could not reach the server.";
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}
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function DetailRow({ label, children }: { label: string; children: ReactNode }) {
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return (
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<div {...stylex.props(styles.detailRow)}>
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<dt {...stylex.props(styles.detailTerm)}>{label}</dt>
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<dd {...stylex.props(styles.detailValue)}>{children}</dd>
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</div>
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);
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}
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function VerdictCard({ result, groups }: { result: LookupResult; groups: Group[] }) {
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const verdict = verdictOf(result);
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const groupName = groups.find((group) => group.id === result.group_id)?.name ?? `#${result.group_id}`;
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return (
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<div {...stylex.props(styles.card)}>
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<div {...stylex.props(styles.banner, toneStyle(verdict.tone))}>
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<h2 {...stylex.props(styles.verdictLabel)}>{verdict.label}</h2>
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<p {...stylex.props(styles.verdictDescription)}>{verdict.description}</p>
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</div>
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<dl {...stylex.props(styles.details)}>
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<DetailRow label="Domain">
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<span {...stylex.props(shared.mono)}>{result.domain}</span>
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</DetailRow>
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<DetailRow label="Group">{groupName}</DetailRow>
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<DetailRow label="Local record">{result.local_records ? "Yes" : "No"}</DetailRow>
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<DetailRow label="Forward zone">
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{result.forward_zone !== null ? (
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<span {...stylex.props(shared.mono)}>{result.forward_zone}</span>
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) : (
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"—"
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)}
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</DetailRow>
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<DetailRow label="Blocked">{result.blocked ? "Yes" : "No"}</DetailRow>
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<DetailRow label="Reason">
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<span {...stylex.props(shared.mono)}>{result.reason}</span>
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</DetailRow>
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<DetailRow label="Matched pattern">
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{result.matched !== "" ? <span {...stylex.props(shared.mono)}>{result.matched}</span> : "—"}
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</DetailRow>
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<DetailRow label="Blocklist source">
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{result.source_url !== null ? (
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<a
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href={result.source_url}
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target="_blank"
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rel="noreferrer"
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{...stylex.props(styles.sourceLink, shared.focusRing)}
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>
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{result.source_url}
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</a>
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) : (
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"—"
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)}
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</DetailRow>
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<DetailRow label="Safe search rewrite">
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{result.safe_search_rewrite !== null ? (
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<span {...stylex.props(shared.mono)}>{result.safe_search_rewrite}</span>
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) : (
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"—"
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)}
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</DetailRow>
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</dl>
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</div>
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);
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}
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export default function LookupPage() {
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const groups = useSuspenseQuery(groupsQuery()).data;
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const preselectedGroupId = defaultGroupId(groups);
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const [domain, setDomain] = useState("");
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const [groupId, setGroupId] = useState(preselectedGroupId);
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const [submitted, setSubmitted] = useState<Submitted | null>(null);
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const lookup = useQuery({
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...lookupQuery(submitted?.domain ?? "", submitted?.groupId),
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enabled: submitted !== null,
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});
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function onSubmit(event: FormEvent<HTMLFormElement>) {
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event.preventDefault();
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const trimmed = domain.trim();
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if (trimmed === "") return;
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if (submitted !== null && submitted.domain === trimmed && submitted.groupId === groupId) {
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void lookup.refetch();
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return;
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}
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setSubmitted({ domain: trimmed, groupId });
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}
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return (
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<section>
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<h1 {...stylex.props(styles.heading)}>Lookup</h1>
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<p {...stylex.props(styles.intro)}>
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What the pipeline would do with a domain: local records, forward zones, block decision, safe search.
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</p>
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<form onSubmit={onSubmit} {...stylex.props(styles.form)}>
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<div {...stylex.props(styles.domainField)}>
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<label htmlFor="lookup-domain" {...stylex.props(styles.fieldLabel)}>
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Domain
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</label>
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<input
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id="lookup-domain"
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required
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value={domain}
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onChange={(event) => setDomain(event.target.value)}
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placeholder="ads.example.com"
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{...stylex.props(shared.input, shared.focusRing)}
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/>
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</div>
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<div>
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<Select
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label="Group"
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value={String(groupId)}
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onChange={(value) => setGroupId(Number(value))}
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options={groups.map((group) => ({ value: String(group.id), label: group.name }))}
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/>
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</div>
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<button
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type="submit"
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disabled={lookup.isFetching}
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{...stylex.props(shared.largePrimaryButton, shared.focusRing)}
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>
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Look up
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</button>
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</form>
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{lookup.isFetching && <p {...stylex.props(styles.note)}>Looking up…</p>}
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{!lookup.isFetching && lookup.isError && (
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<p role="alert" {...stylex.props(styles.error)}>
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{errorMessage(lookup.error)}
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</p>
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)}
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{!lookup.isFetching && lookup.data !== undefined && !lookup.isError && (
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<VerdictCard result={lookup.data} groups={groups} />
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)}
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</section>
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);
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}
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