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import { redirect, type Cookies } from '@sveltejs/kit';
export interface ClientOptions {
id: string;
secret: string;
redirectURI: string;
}
export interface CallbackOptions {
url: URL;
cookies: Cookies;
cookie: string;
authorise: string;
redirect?: string;
client: ClientOptions;
verifier?: string;
}
export const callback = async (options: CallbackOptions) => {
const { url, cookies, cookie, authorise, client } = options;
const formData = new FormData();
formData.append('grant_type', 'authorization_code');
formData.append('client_id', client.id);
formData.append('client_secret', client.secret);
formData.append('redirect_uri', client.redirectURI);
formData.append('code', url.searchParams.get('code') || 'null');
if (options.verifier) formData.append('code_verifier', options.verifier);
cookies.set(
cookie,
JSON.stringify(
await (
await fetch(authorise, {
method: 'POST',
body: formData
})
).json()
),
{
path: '/',
maxAge: 60 * 60 * 24 * 7,
httpOnly: false,
sameSite: 'lax',
secure: false
}
);
throw redirect(303, options.redirect ?? '/');
};
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