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personal-website/src/lib/server/auth.ts
Stan Runge d0c7b6548b
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beeeeg update
2026-09-23 04:16:50 +00:00

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TypeScript

import { env } from '$env/dynamic/private';
import { building, dev } from '$app/environment';
import { betterAuth } from 'better-auth/minimal';
import { drizzleAdapter } from 'better-auth/adapters/drizzle';
import { genericOAuth } from 'better-auth/plugins';
import { APIError, createAuthMiddleware } from 'better-auth/api';
import { sveltekitCookies } from 'better-auth/svelte-kit';
import { getRequestEvent } from '$app/server';
import { db } from '$lib/server/db';
import * as schema from '$lib/server/db/schema';
import { osuProfile } from './osu-profile';
export { isAdmin, requireAdmin, requireUser } from './authorization';
if (!building && (!env.BETTER_AUTH_SECRET || env.BETTER_AUTH_SECRET.length < 32)) {
throw new Error('Set BETTER_AUTH_SECRET to a random secret of at least 32 characters');
}
if (!building && !dev && !env.BETTER_AUTH_URL && !env.ORIGIN) {
throw new Error('Set BETTER_AUTH_URL to the public site origin');
}
export const authProviders = {
google: !!(env.GOOGLE_CLIENT_ID && env.GOOGLE_CLIENT_SECRET),
osu: !!(env.OSU_CLIENT_ID && env.OSU_CLIENT_SECRET)
};
export const auth = betterAuth({
baseURL: env.BETTER_AUTH_URL || env.ORIGIN || 'http://localhost:5173',
secret: env.BETTER_AUTH_SECRET || 'build-only-placeholder-not-a-runtime-secret',
database: drizzleAdapter(db, { provider: 'pg', schema }),
emailAndPassword: { enabled: true, minPasswordLength: 12, maxPasswordLength: 128 },
user: {
additionalFields: {
role: { type: 'string', required: false, defaultValue: 'user', input: false }
}
},
account: {
accountLinking: {
enabled: true,
disableImplicitLinking: true,
allowDifferentEmails: true,
trustedProviders: ['osu']
}
},
rateLimit: { enabled: true },
socialProviders: authProviders.google
? {
google: { clientId: env.GOOGLE_CLIENT_ID!, clientSecret: env.GOOGLE_CLIENT_SECRET! }
}
: {},
hooks: {
before: createAuthMiddleware(async (ctx) => {
// osu! has no email scope. Reserve its internal identifiers against credential signup.
if (
ctx.path === '/sign-up/email' &&
typeof ctx.body?.email === 'string' &&
ctx.body.email.toLowerCase().endsWith('.invalid')
) {
throw new APIError('BAD_REQUEST', { message: 'Please use a deliverable email address' });
}
})
},
plugins: [
genericOAuth({
config: authProviders.osu
? [
{
providerId: 'osu',
clientId: env.OSU_CLIENT_ID!,
clientSecret: env.OSU_CLIENT_SECRET!,
authorizationUrl: 'https://osu.ppy.sh/oauth/authorize',
tokenUrl: 'https://osu.ppy.sh/oauth/token',
scopes: ['identify'],
getUserInfo: async (tokens) => {
const response = await fetch('https://osu.ppy.sh/api/v2/me', {
headers: {
Authorization: `Bearer ${tokens.accessToken}`,
Accept: 'application/json'
},
signal: AbortSignal.timeout(10000)
});
if (!response.ok) throw new Error('Could not load osu! profile');
return osuProfile(await response.json());
}
}
]
: []
}),
sveltekitCookies(getRequestEvent)
]
});