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chore(app): interpellate: adding token to confirm #485

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48 changes: 48 additions & 0 deletions front/app/(visualiser)/interpeller/error/page.tsx
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Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
import Image from 'next/image';
import Link from 'next/link';

import { Button } from '#components/ui/button';

export default function InterpellateError() {
return (
<section className='global-margin mb-16 mt-16'>
<article className='mx-4 rounded-3xl border border-primary-light pb-12 shadow'>
<div
id='header-article'
className='align-center mb-16 rounded-t-3xl bg-[url(/eclaireur/project_background.webp)] bg-bottom px-8 py-12 md:flex-row md:gap-0'
>
<h2 className='text-center'>Lien invalide ou expiré</h2>
</div>

<Image
src='/eclaireur/error_icon.png'
alt='Erreur'
width={100}
height={100}
className='mx-auto block'
/>
<p className='mb-12 mt-6 px-8 text-center text-lg'>
Ce lien de confirmation n'est plus valide.
<br />
Il a peut-être expiré ou a déjà été utilisé.
</p>

<Button
size='lg'
className='mx-auto block rounded-none rounded-br-lg rounded-tl-lg bg-primary hover:bg-primary/90'
>
<Link href='/interpeller'>
<Image
src='/eclaireur/interpeller.svg'
alt='Interpeller'
width={20}
height={20}
className='mr-2 inline-block'
/>
Retourner à l'interpellation
</Link>
</Button>
</article>
</section>
);
}
32 changes: 20 additions & 12 deletions front/app/api/interpellate/confirm/route.ts
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@@ -1,23 +1,31 @@
import { redirect } from 'next/navigation';

import { ConfirmInterpellateSubject, getCommunityTitle, getFullName } from '#utils/emails/emailRendering';
import {
ConfirmInterpellateSubject,
getCommunityTitle,
getFullName,
} from '#utils/emails/emailRendering';
import { renderEmailTemplate } from '#utils/emails/emailRendering-server';
import { verifyInterpellateToken } from '#utils/emails/interpellateToken';
import { trySendMail } from '#utils/emails/send-email';
import Mail from 'nodemailer/lib/mailer';


export async function GET(request: Request) {
const { searchParams } = new URL(request.url);
const siren = searchParams.get('siren');
const communityType = searchParams.get('communityType') ?? '';
const communityName = searchParams.get('communityName') ?? '';
const firstname = searchParams.get('firstname') ?? '';
const lastname = searchParams.get('lastname') ?? '';
// mail en CC
const email = searchParams.get('email') ?? '';
// Mails à interpeller
const emails = searchParams.get('emails') ?? '';
const isCC = searchParams.get('isCC') === 'true';
const token = searchParams.get('token');

if (!token) {
redirect('/interpeller/error');
}

const payload = verifyInterpellateToken(token);

if (!payload) {
redirect('/interpeller/error');
}

const { siren, communityType, communityName, firstname, lastname, email, emails, isCC } =
payload;

const confirmInterpellateHtml = renderEmailTemplate('interpellate-community', {
communityTitle: getCommunityTitle(communityType),
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27 changes: 13 additions & 14 deletions front/app/api/interpellate/route.ts
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@@ -1,9 +1,8 @@
// TODO: Review and remove unused variables. This file ignores unused vars for now.
/* eslint-disable @typescript-eslint/no-unused-vars */
import { NextResponse } from 'next/server';

import { InterpellateFormSchema } from '#components/Interpellate/types';
import { renderEmailTemplate } from '#utils/emails/emailRendering-server';
import { createInterpellateToken } from '#utils/emails/interpellateToken';
import { trySendMail } from '#utils/emails/send-email';
import Mail from 'nodemailer/lib/mailer';

Expand Down Expand Up @@ -45,20 +44,20 @@ export async function POST(request: Request) {
return NextResponse.json({ errors: zodErrors });
}

const confirmUrl = new URL('api/interpellate/confirm', process.env.NEXT_PUBLIC_BASE_URL);
const params = new URLSearchParams();
params.append('siren', siren ?? '');
params.append('isCC', isCC !== undefined ? isCC.toString() : 'false');
params.append('firstname', firstname ?? '');
params.append('lastname', lastname ?? '');
params.append('email', email ?? '');
params.append('emails', emails ?? '');
params.append('communityType', communityType ?? '');
params.append('communityName', communityName ?? '');
confirmUrl.search = params.toString();
const token = createInterpellateToken({
siren: siren ?? '',
firstname: firstname ?? '',
lastname: lastname ?? '',
email: email ?? '',
emails: emails ?? '',
isCC: isCC ?? false,
communityType: communityType ?? '',
communityName: communityName ?? '',
});
const confirmUrl = `${process.env.NEXT_PUBLIC_BASE_URL}/api/interpellate/confirm?token=${token}`;
const confirmInterpellateHtml = renderEmailTemplate('confirm-interpellate', {
firstname: firstname ?? '',
link: confirmUrl.toString(),
link: confirmUrl,
});

const confirmInterpellateHtmlObject = `${firstname}, Confirmez votre interpellation citoyenne - Éclaireur Public`;
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66 changes: 66 additions & 0 deletions front/utils/emails/interpellateToken.ts
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import crypto from 'crypto';

export interface InterpellateTokenPayload {
siren: string;
firstname: string;
lastname: string;
email: string;
emails: string;
isCC: boolean;
communityType: string;
communityName: string;
exp: number;
}

function getSecret(): string {
const secret = process.env.INTERPELLATE_SECRET;
if (!secret) {
throw new Error('INTERPELLATE_SECRET environment variable is not set');
}
return secret;
}

export function createInterpellateToken(
data: Omit<InterpellateTokenPayload, 'exp'>,
expiresInMinutes: number = 1440
): string {
const payload: InterpellateTokenPayload = {
...data,
exp: Date.now() + expiresInMinutes * 60 * 1000,
};

const encoded = Buffer.from(JSON.stringify(payload)).toString('base64url');
const signature = crypto.createHmac('sha256', getSecret()).update(encoded).digest('base64url');

return `${encoded}.${signature}`;
}

export function verifyInterpellateToken(token: string): InterpellateTokenPayload | null {
const parts = token.split('.');
if (parts.length !== 2) {
return null;
}

const [encoded, signature] = parts;

const expectedSignature = crypto
.createHmac('sha256', getSecret())
.update(encoded)
.digest('base64url');

if (signature !== expectedSignature) {
return null;
}

try {
const payload = JSON.parse(Buffer.from(encoded, 'base64url').toString('utf-8'));

if (payload.exp < Date.now()) {
return null;
}

return payload as InterpellateTokenPayload;
} catch {
return null;
}
}