a0f2d008e0
- Remove legacy TTS rate limit environment variables and migrate all related configuration to runtime settings managed via the Admin UI - Add runtime config keys for TTS rate limiting enable/disable and per-user/IP daily quotas - Refactor rate limiter and API routes to use runtime config for thresholds and enablement - Update AdminFeaturesPanel to allow editing TTS rate limiting and quota values in the UI - Add shared-provider-selection utility for consistent provider selection logic - Update documentation to reflect new runtime/admin configuration and remove obsolete env var docs - Add unit tests for rate limit runtime settings and provider selection BREAKING CHANGE: TTS rate limiting is now controlled via Admin → Site features; environment variables for TTS rate limiting are no longer supported and will be ignored.
96 lines
3.1 KiB
TypeScript
96 lines
3.1 KiB
TypeScript
'use client';
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import { createContext, useContext, useMemo, type ReactNode } from 'react';
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/**
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* Site-wide runtime config resolved at SSR time and injected via
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* `window.__RUNTIME_CONFIG__`. Replaces module-scope reads of
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* build-time public env flags so admin edits take effect on the next page
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* load without a redeploy. Read-only from the client; admin writes go
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* through `/api/admin/settings` and trigger a reload.
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*
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* Keep this in sync with `RUNTIME_CONFIG_SCHEMA` on the server.
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*/
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export interface RuntimeConfig {
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defaultTtsProvider: string;
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changelogFeedUrl: string;
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appVersion: string;
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enableUserSignups: boolean;
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restrictUserApiKeys: boolean;
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enableTtsProvidersTab: boolean;
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enableAudiobookExport: boolean;
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enableDocxConversion: boolean;
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enableDestructiveDeleteActions: boolean;
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showAllProviderModels: boolean;
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disableTtsRateLimit: boolean;
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ttsDailyLimitAnonymous: number;
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ttsDailyLimitAuthenticated: number;
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ttsIpDailyLimitAnonymous: number;
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ttsIpDailyLimitAuthenticated: number;
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computeAvailable: boolean;
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}
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const RUNTIME_DEFAULTS: RuntimeConfig = {
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defaultTtsProvider: 'custom-openai',
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changelogFeedUrl: 'https://docs.openreader.richardr.dev/changelog/manifest.json',
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appVersion: '0.0.0',
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enableUserSignups: true,
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restrictUserApiKeys: true,
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enableTtsProvidersTab: true,
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enableAudiobookExport: true,
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enableDocxConversion: true,
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enableDestructiveDeleteActions: true,
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showAllProviderModels: true,
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disableTtsRateLimit: true,
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ttsDailyLimitAnonymous: 50_000,
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ttsDailyLimitAuthenticated: 500_000,
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ttsIpDailyLimitAnonymous: 100_000,
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ttsIpDailyLimitAuthenticated: 1_000_000,
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computeAvailable: true,
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};
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declare global {
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// Injected via SSR in `src/app/layout.tsx`. Always defined in the browser.
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interface Window {
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__RUNTIME_CONFIG__?: Partial<RuntimeConfig>;
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}
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}
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function readInjectedConfig(): RuntimeConfig {
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if (typeof window === 'undefined') return { ...RUNTIME_DEFAULTS };
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const injected = window.__RUNTIME_CONFIG__;
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if (!injected || typeof injected !== 'object') return { ...RUNTIME_DEFAULTS };
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return { ...RUNTIME_DEFAULTS, ...injected };
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}
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const RuntimeConfigContext = createContext<RuntimeConfig>({ ...RUNTIME_DEFAULTS });
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export function RuntimeConfigProvider({
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children,
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value,
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}: {
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children: ReactNode;
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/** Optional override (for tests). When omitted, reads from window. */
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value?: RuntimeConfig;
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}) {
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const resolved = useMemo<RuntimeConfig>(() => value ?? readInjectedConfig(), [value]);
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return <RuntimeConfigContext.Provider value={resolved}>{children}</RuntimeConfigContext.Provider>;
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}
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export function useRuntimeConfig(): RuntimeConfig {
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return useContext(RuntimeConfigContext);
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}
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export function useFeatureFlag<K extends keyof RuntimeConfig>(key: K): RuntimeConfig[K] {
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const cfg = useRuntimeConfig();
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return cfg[key];
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}
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/**
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* Synchronous accessor for modules that are loaded before the React tree
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* mounts (e.g. Dexie initialization, config defaults). Falls back to the
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* built-in defaults during SSR.
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*/
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export function readRuntimeConfigSync(): RuntimeConfig {
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return readInjectedConfig();
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}
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