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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: 31536000 / 2,
httpOnly: false,
sameSite: "lax",
secure: false,
},
);
redirect(303, options.redirect ?? "/");
};
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