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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129// SPDX-License-Identifier: AGPL-3.0-or-later
import {API_CODE_VERSION} from '@fluxer/constants/src/AppConstants';import {buildDiscoveryResponse, type DiscoveryStaticInput} from '@fluxer/instance_bootstrap/src/BuildDiscovery';import type {InstanceAppPublic} from '@fluxer/instance_bootstrap/src/Types';import {WellKnownFluxerResponse} from '@fluxer/schema/src/domains/instance/InstanceSchemas';import type {Hono} from 'hono';import {Config} from '../Config';import type {GifService} from '../gif/GifService';import type {LimitConfigService} from '../limits/LimitConfigService';import {RateLimitMiddleware} from '../middleware/RateLimitMiddleware';import {OpenAPI} from '../middleware/ResponseTypeMiddleware';import {RateLimitConfigs} from '../RateLimitConfig';import type {HonoEnv} from '../types/HonoEnv';import type {InstanceCaptchaEffectiveConfig, InstanceGifEffectiveConfig} from './InstanceConfigRepository';
function buildDiscoveryStaticInput( gifService: GifService | undefined, appPublic: InstanceAppPublic, runtime: { captcha: InstanceCaptchaEffectiveConfig; emailEnabled: boolean; gif: InstanceGifEffectiveConfig; },): DiscoveryStaticInput { const apiClientEndpoint = Config.endpoints.apiClient; const apiPublicEndpoint = Config.endpoints.apiPublic; const activeGif = gifService?.getByName(runtime.gif.provider); return { apiCodeVersion: API_CODE_VERSION, endpoints: { api: apiClientEndpoint, api_client: apiClientEndpoint, api_public: apiPublicEndpoint, gateway: Config.endpoints.gateway, media: Config.endpoints.media, static_cdn: Config.endpoints.staticCdn, marketing: Config.endpoints.marketing, admin: Config.endpoints.admin, invite: Config.endpoints.invite, gift: Config.endpoints.gift, webapp: Config.endpoints.webApp, }, captcha: { provider: runtime.captcha.provider, hcaptcha_site_key: runtime.captcha.hcaptcha_site_key, turnstile_site_key: runtime.captcha.turnstile_site_key, }, features: { voice_enabled: Config.voice.enabled, stripe_enabled: Config.stripe.enabled, self_hosted: Config.instance.selfHosted, presigned_attachment_uploads: Config.presignedAttachmentUploadsEnabled, emails_enabled: runtime.emailEnabled, }, gif: { provider: runtime.gif.provider, display_name: activeGif?.meta.displayName ?? runtime.gif.provider, attribution_required: activeGif?.meta.attributionRequired ?? false, }, push: { public_vapid_key: Config.push.publicVapidKey ?? null, }, appPublic, };}
export function InstanceController(app: Hono<HonoEnv>) { app.get( '/.well-known/fluxer', RateLimitMiddleware(RateLimitConfigs.INSTANCE_INFO), OpenAPI({ operationId: 'get_well_known_fluxer', summary: 'Get instance discovery document', responseSchema: WellKnownFluxerResponse, statusCode: 200, security: [], tags: ['Instance'], description: 'Returns the instance discovery document including API endpoints, feature flags, and limits. This is the canonical discovery endpoint for all Fluxer clients.', }), async (ctx) => { ctx.header('Access-Control-Allow-Origin', '*'); const gifService = ctx.get('gifService') as GifService | undefined; const limitConfigService = ctx.get('limitConfigService') as LimitConfigService | undefined; const limits = limitConfigService?.getConfigWireFormat(); const sso = await ctx.get('ssoService').getPublicStatus(); const instanceConfigRepository = ctx.get('instanceConfigRepository'); const [registration, community, services, appPublicConfig, captcha, email, gif] = await Promise.all([ instanceConfigRepository.getRegistrationPublicConfig(), instanceConfigRepository.getInstanceCommunityPublicConfig(), instanceConfigRepository.getResolvedServicesConfig(), instanceConfigRepository.getAppPublicConfig(), instanceConfigRepository.getEffectiveCaptchaConfig(), instanceConfigRepository.getEffectiveEmailConfig(), instanceConfigRepository.getEffectiveGifConfig(), ]); if (!limits) { throw new Error('limit_config_service is not bound'); } const response = buildDiscoveryResponse( buildDiscoveryStaticInput( gifService, { ...appPublicConfig, setup: { ...appPublicConfig.setup, admin_url: Config.endpoints.admin || null, }, }, { captcha, emailEnabled: email.enabled, gif, }, ), { sso, registration, community, services, limits, }, ); return ctx.json(response); }, );}