A beautiful Tangled client with Catppuccin colors. snarled.at
catppuccin atproto tangled
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109import { configureOAuth, createAuthorizationUrl, finalizeAuthorization, getSession, listStoredSessions, OAuthUserAgent, type Session,} from '@atcute/oauth-browser-client'
import type { Handle } from '@atcute/lexicons'
import { getMiniDoc } from '../microcosm'import { OAUTH_METADATA_PATH } from './config'
async function loadOAuthConfiguration() { const response = await fetch(OAUTH_METADATA_PATH) if (!response.ok) { throw new Error('Could not load OAuth client metadata.') }
const metadata: unknown = await response.json() if ( typeof metadata !== 'object' || metadata === null || !('client_id' in metadata) || typeof metadata.client_id !== 'string' || !('redirect_uris' in metadata) || !Array.isArray(metadata.redirect_uris) || typeof metadata.redirect_uris[0] !== 'string' || !('scope' in metadata) || typeof metadata.scope !== 'string' || !metadata.scope.split(' ').includes('atproto') ) { throw new Error('Invalid OAuth client metadata.') }
new URL(metadata.client_id) new URL(metadata.redirect_uris[0])
configureOAuth({ metadata: { client_id: metadata.client_id, redirect_uri: metadata.redirect_uris[0], }, identityResolver: { resolve: getMiniDoc }, })
return { scope: metadata.scope }}
let oauthConfiguration: ReturnType<typeof loadOAuthConfiguration> | undefined
function getOAuthConfiguration() { oauthConfiguration ??= loadOAuthConfiguration().catch((error) => { oauthConfiguration = undefined throw error }) return oauthConfiguration}
export async function signIn(handle: Handle): Promise<void> { const { scope } = await getOAuthConfiguration() const authorizationUrl = await createAuthorizationUrl({ target: { type: 'account', identifier: handle }, scope, })
await new Promise<void>((resolve) => setTimeout(resolve, 200)) window.location.assign(authorizationUrl.href)}
async function completeSignIn() { const params = new URLSearchParams(window.location.hash.slice(1))
window.history.replaceState( window.history.state, '', window.location.pathname + window.location.search, )
await getOAuthConfiguration() const { session } = await finalizeAuthorization(params) return session}
let signInCompletion: ReturnType<typeof completeSignIn> | undefined
export function finishSignIn() { signInCompletion ??= completeSignIn() return signInCompletion}
export async function restoreSession() { await getOAuthConfiguration() const [did] = listStoredSessions()
if (did === undefined) { return null }
return getSession(did)}
export async function signOut(session: Session): Promise<void> { const agent = new OAuthUserAgent(session) await agent.signOut()}