feat: age verification with an ID document (Didit), and closed registration (#4)
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## Age verification with Didit

A new provider (`apps/api/src/age/didit.ts`) behind the existing vendor-neutral age interface. A person verifies once with an ID document, a passive liveness check and a face match; after that, all their linked IMVU accounts count as adult. The hub keeps only "over 18": never the document, photo or birth date.

- Webhooks are checked against Didit's signatures (the raw body or V2, with `-Previous` during secret rotation), and old ones are rejected. If the webhook has no decision, the hub fetches it from Didit.
- A later answer replaces an earlier one. An approval that's taken back (say, after a manual review) becomes `revoked`. A check still in review stays pending.
- Limits, for every provider: one unfinished check per person (starting again resumes it), at most 3 checks in 30 days, none once verified, and a monthly cap (`DIDIT_MONTHLY_LIMIT`, default 30: since 2026-11-01, Didit's free plan is $10 of credit a month, and a check costs $0.30).
- People are only ever sent back to the hub's website.
- The Account page gets an Age Verification card.
- Configuration: `AGE_PROVIDERS=imvu,didit`, `DIDIT_API_KEY`, `DIDIT_WORKFLOW_ID`, `DIDIT_WEBHOOK_SECRET`. The webhook is `<API_URL>/api/v1/age/webhook/didit`.

## Closed registration

Registration is open or closed. It's an admin's setting in the console, with its default from `REGISTRATION`.

- When it's closed, new accounts can only sign in until a moderator approves them, or declines them (which deletes the account).
- The website shows people who are waiting a waiting page, and the API treats them as signed out everywhere but `/me`.
- The console gets a Waiting count, a Waiting for approval filter, Approve and Decline on a person's page, and a Registration setting.
- The migration adds `user.approved` (existing accounts stay approved) and `hub_setting`.

## Testing

- New tests cover Didit (with a fake Didit server), the limits, revocation, return addresses and registration.
- `bun run test`: 35 pass. `bun run check-types` passes.
- Checked locally: the account, waiting, sign-up and console pages render.
- Not run against Didit itself yet. The sandbox workflow "T5DE Age Check" is published, and the next step is a real webhook once this is on staging.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

## Age verification with Didit

A new provider (`apps/api/src/age/didit.ts`) behind the existing vendor-neutral age interface. A person verifies once with an ID document, a passive liveness check and a face match; after that, all their linked IMVU accounts count as adult. The hub keeps only "over 18": never the document, photo or birth date.

- Webhooks are checked against Didit's signatures (the raw body or V2, with `-Previous` during secret rotation), and old ones are rejected. If the webhook has no decision, the hub fetches it from Didit.
- A later answer replaces an earlier one. An approval that's taken back (say, after a manual review) becomes `revoked`. A check still in review stays pending.
- Limits, for every provider: one unfinished check per person (starting again resumes it), at most 3 checks in 30 days, none once verified, and a monthly cap (`DIDIT_MONTHLY_LIMIT`, default 30: since 2026-11-01, Didit's free plan is $10 of credit a month, and a check costs $0.30).
- People are only ever sent back to the hub's website.
- The Account page gets an Age Verification card.
- Configuration: `AGE_PROVIDERS=imvu,didit`, `DIDIT_API_KEY`, `DIDIT_WORKFLOW_ID`, `DIDIT_WEBHOOK_SECRET`. The webhook is `<API_URL>/api/v1/age/webhook/didit`.

## Closed registration

Registration is open or closed. It's an admin's setting in the console, with its default from `REGISTRATION`.

- When it's closed, new accounts can only sign in until a moderator approves them, or declines them (which deletes the account).
- The website shows people who are waiting a waiting page, and the API treats them as signed out everywhere but `/me`.
- The console gets a Waiting count, a Waiting for approval filter, Approve and Decline on a person's page, and a Registration setting.
- The migration adds `user.approved` (existing accounts stay approved) and `hub_setting`.

## Testing

- New tests cover Didit (with a fake Didit server), the limits, revocation, return addresses and registration.
- `bun run test`: 35 pass. `bun run check-types` passes.
- Checked locally: the account, waiting, sign-up and console pages render.
- Not run against Didit itself yet. The sandbox workflow "T5DE Age Check" is published, and the next step is a real webhook once this is on staging.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: dhkatz <[email protected]>
This commit was merged in pull request #4.
This commit is contained in:
dhkatz authored and dhkatz committed 2026-11-04 11:37:21 +00:00
1 parent 86ebe976ba
commit d5cd2be5d0
28 files changed
+3260 -89

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+23
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@@ -1,5 +1,6 @@
"use server";
import { revalidatePath } from "next/cache";
import { redirect } from "next/navigation";
import { api, unwrap } from "@/lib/api";
import { attempt, field, type ActionState } from "@/lib/actions";
@@ -52,3 +53,25 @@ export async function decideCatalog(_: ActionState, form: FormData): Promise<Act
revalidatePath("/catalogs");
});
}
/** An account waiting for approval: approve it, or decline it (deleting it). */
export async function decideAccount(_: ActionState, form: FormData): Promise<ActionState> {
const id = field(form, "id");
const decline = field(form, "decision") === "decline";
const state = await attempt(async () => {
if (decline) unwrap(await api.console.people({ id }).decline.post());
else unwrap(await api.console.people({ id }).approve.post());
revalidatePath("/console", "layout");
});
if (decline && !state?.error) redirect("/console/people?waiting=true");
return state;
}
export async function setRegistration(_: ActionState, form: FormData): Promise<ActionState> {
return attempt(async () => {
const registration = field(form, "registration") === "closed" ? "closed" : "open";
unwrap(await api.console.settings.put({ registration }));
revalidatePath("/console");
return registration === "closed" ? "Registration closed: new accounts wait for approval." : "Registration open.";
});
}
+41 -4
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@@ -1,19 +1,24 @@
import type { Metadata } from "next";
import Link from "next/link";
import { ActionForm, SubmitButton } from "@/components/forms";
import { OnlineList } from "@/components/online-list";
import { PageHeader } from "@/components/status";
import { DateTime } from "@/components/time";
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
import { NativeSelect, NativeSelectOption } from "@/components/ui/native-select";
import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table";
import { api, unwrap, type AuditEntry } from "@/lib/api";
import { setRegistration } from "./actions";
import { ConsoleNav, requireModerator } from "./console-nav";
export const metadata: Metadata = { title: "Console" };
export default async function Console() {
await requireModerator("/console");
const data = unwrap(await api.console.get());
const me = await requireModerator("/console");
const [data, settings] = await Promise.all([api.console.get().then(unwrap), api.console.settings.get().then(unwrap)]);
const stats = [
{ label: "People", value: data.counts.people, note: "accounts" },
{ label: "Waiting", value: data.counts.waiting, note: "for approval", href: "/console/people?waiting=true" },
{ label: "IMVU accounts", value: data.counts.links, note: "linked" },
{ label: "Computers", value: data.counts.computers, note: "signed in" },
];
@@ -23,18 +28,50 @@ export default async function Console() {
<PageHeader title="Console">Moderation.</PageHeader>
<ConsoleNav />
<div className="space-y-6">
<div className="grid gap-4 sm:grid-cols-3">
<div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-4">
{stats.map((s) => (
<Card key={s.label}>
<CardHeader>
<CardDescription>{s.label}</CardDescription>
<CardTitle className="text-3xl font-semibold tabular-nums">{s.value}</CardTitle>
</CardHeader>
<CardContent className="text-sm text-muted-foreground">{s.note}</CardContent>
<CardContent className="text-sm text-muted-foreground">
{s.href ? (
<Link href={s.href} className="underline-offset-4 hover:underline">
{s.note}
</Link>
) : (
s.note
)}
</CardContent>
</Card>
))}
</div>
<Card>
<CardHeader>
<CardTitle>Registration</CardTitle>
<CardDescription>
{settings.registration === "closed"
? "Closed: new accounts can sign in, but wait for a moderator's approval."
: "Open: new accounts can use the hub at once."}
</CardDescription>
</CardHeader>
{me.role === "admin" && (
<CardContent>
<ActionForm action={setRegistration}>
<div className="flex gap-2">
<NativeSelect name="registration" defaultValue={settings.registration} aria-label="Registration">
<NativeSelectOption value="open">Open</NativeSelectOption>
<NativeSelectOption value="closed">Closed</NativeSelectOption>
</NativeSelect>
<SubmitButton pendingLabel="Setting…">Set</SubmitButton>
</div>
</ActionForm>
</CardContent>
)}
</Card>
<Card>
<CardHeader>
<CardTitle>Online now</CardTitle>
+31 -1
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@@ -8,7 +8,7 @@ import { Input } from "@/components/ui/input";
import { NativeSelect, NativeSelectOption } from "@/components/ui/native-select";
import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table";
import { api, ApiError, unwrap } from "@/lib/api";
import { ban, setLinkCap, setRole, unban } from "../../actions";
import { ban, decideAccount, setLinkCap, setRole, unban } from "../../actions";
import { ConsoleNav, requireModerator } from "../../console-nav";
export const metadata: Metadata = { title: "Person" };
@@ -35,11 +35,41 @@ export default async function PersonPage({ params }: { params: Promise<{ id: str
joined <DateTime iso={person.createdAt} dateOnly />
</span>
{person.banned && <Tag tone="danger">banned: {person.banReason}</Tag>}
{!person.approved && <Tag tone="strong">waiting for approval</Tag>}
</span>
</PageHeader>
<ConsoleNav />
<div className="space-y-6">
{!person.approved && (
<Card>
<CardHeader>
<CardTitle>Waiting for Approval</CardTitle>
<CardDescription>
{person.email}. Until approved, they can only sign in. Declining deletes the account.
</CardDescription>
</CardHeader>
<CardContent>
<ActionForm action={decideAccount} fields={{ id: person.id }}>
<div className="flex gap-2">
<SubmitButton name="decision" value="approve" pendingLabel="Approving…">
Approve
</SubmitButton>
<SubmitButton
name="decision"
value="decline"
variant="outline"
pendingLabel="Declining…"
confirm={`Decline ${person.username}? Their account is deleted.`}
>
Decline
</SubmitButton>
</div>
</ActionForm>
</CardContent>
</Card>
)}
<Card>
<CardHeader>
<CardTitle>IMVU accounts</CardTitle>
+30 -13
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@@ -11,11 +11,17 @@ import { ConsoleNav, requireModerator } from "../console-nav";
export const metadata: Metadata = { title: "People" };
export default async function People({ searchParams }: { searchParams: Promise<{ q?: string | string[] }> }) {
const raw = (await searchParams).q;
const q = typeof raw === "string" ? raw.slice(0, 64) : "";
await requireModerator(q ? `/console/people?q=${encodeURIComponent(q)}` : "/console/people");
const { people } = unwrap(await api.console.people.get({ query: q ? { q } : {} }));
export default async function People({
searchParams,
}: {
searchParams: Promise<{ q?: string | string[]; waiting?: string | string[] }>;
}) {
const params = await searchParams;
const q = typeof params.q === "string" ? params.q.slice(0, 64) : "";
const waiting = params.waiting === "true";
const query = new URLSearchParams({ ...(q ? { q } : {}), ...(waiting ? { waiting: "true" } : {}) }).toString();
await requireModerator(`/console/people${query ? `?${query}` : ""}`);
const { people } = unwrap(await api.console.people.get({ query: { ...(q ? { q } : {}), ...(waiting ? { waiting: true } : {}) } }));
return (
<>
@@ -23,14 +29,23 @@ export default async function People({ searchParams }: { searchParams: Promise<{
<ConsoleNav />
<Card>
<CardContent className="space-y-6">
<form action="/console/people" className="flex max-w-md gap-2">
<Input type="search" name="q" defaultValue={q} placeholder="T5DE or IMVU username" aria-label="Search" />
<Button type="submit" variant="outline">
Search
</Button>
</form>
<div className="flex flex-wrap items-center gap-4">
<form action="/console/people" className="flex max-w-md flex-1 gap-2">
<Input type="search" name="q" defaultValue={q} placeholder="T5DE or IMVU username" aria-label="Search" />
{waiting && <input type="hidden" name="waiting" value="true" />}
<Button type="submit" variant="outline">
Search
</Button>
</form>
<Link
href={waiting ? "/console/people" : "/console/people?waiting=true"}
className="text-sm text-muted-foreground underline-offset-4 hover:underline"
>
{waiting ? "Show everyone" : "Waiting for approval"}
</Link>
</div>
{people.length === 0 ? (
<p className="text-sm text-muted-foreground">Nobody found.</p>
<p className="text-sm text-muted-foreground">{waiting ? "Nobody is waiting." : "Nobody found."}</p>
) : (
<Table>
<TableHeader>
@@ -55,7 +70,9 @@ export default async function People({ searchParams }: { searchParams: Promise<{
<TableCell className="text-muted-foreground">
<DateTime iso={p.createdAt} dateOnly />
</TableCell>
<TableCell className="text-right">{p.banned && <Tag tone="danger">banned</Tag>}</TableCell>
<TableCell className="text-right">
{p.banned ? <Tag tone="danger">banned</Tag> : !p.approved && <Tag tone="strong">waiting</Tag>}
</TableCell>
</TableRow>
))}
</TableBody>