484 lines
15 KiB
TypeScript
484 lines
15 KiB
TypeScript
/**
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* Typed configuration loader.
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* Secrets come from env vars; gallery structure comes from content/gallery.yaml.
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*/
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import fs from 'fs';
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import path from 'path';
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import yaml from 'js-yaml';
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import { env } from './env';
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// ── Env helpers (now handled by lib/env.ts via Zod) ───────────
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// ── Types ──────────────────────────────────────────────────────
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/** A subpage groups multiple Immich albums under one URL path. */
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export interface SubpageConfig {
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name: string;
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slug: string;
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albumIds: string[];
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/** Optional password — if set, visitors must authenticate to view. */
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password?: string;
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/** Per-subpage grid overrides (merged with global grid config). */
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grid?: Partial<GridConfig>;
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}
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/** Footer configuration for social links. */
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export interface FooterConfig {
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name?: string;
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instagram?: string;
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email?: string;
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website?: string;
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}
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/** Theme configuration — controls the visual identity of the gallery. */
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export interface ThemeConfig {
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preset: string;
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accent: string;
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fonts: { heading: string; body: string; caption: string };
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radius: number;
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photoFrame: 'none' | 'passepartout' | 'shadow';
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grain: boolean;
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headerDot: boolean;
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heroStyle: 'split' | 'fullbleed' | 'minimal' | 'stacked' | 'typographic' | 'mosaic';
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}
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// ── Theme Presets ──────────────────────────────────────────────
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const THEME_PRESETS: Record<string, ThemeConfig> = {
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studio: {
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preset: 'studio',
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accent: '#e60012',
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fonts: { heading: 'Playfair Display', body: 'DM Sans', caption: 'EB Garamond' },
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radius: 0,
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photoFrame: 'passepartout',
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grain: true,
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headerDot: true,
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heroStyle: 'split',
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},
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minimal: {
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preset: 'minimal',
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accent: '#000000',
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fonts: { heading: 'Geist', body: 'Geist', caption: 'IBM Plex Mono' },
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radius: 0,
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photoFrame: 'none',
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grain: false,
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headerDot: false,
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heroStyle: 'fullbleed',
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},
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editorial: {
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preset: 'editorial',
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accent: '#8B2500',
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fonts: { heading: 'Bodoni Moda', body: 'Newsreader', caption: 'Spectral' },
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radius: 0,
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photoFrame: 'shadow',
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grain: false,
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headerDot: false,
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heroStyle: 'split',
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},
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classic: {
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preset: 'classic',
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accent: '#c49a3c',
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fonts: { heading: 'Cinzel', body: 'Crimson Pro', caption: 'Crimson Pro' },
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radius: 12,
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photoFrame: 'passepartout',
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grain: false,
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headerDot: true,
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heroStyle: 'minimal',
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},
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noir: {
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preset: 'noir',
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accent: '#ff6b35',
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fonts: { heading: 'Libre Baskerville', body: 'Source Sans 3', caption: 'Space Mono' },
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radius: 0,
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photoFrame: 'passepartout',
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grain: true,
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headerDot: false,
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heroStyle: 'fullbleed',
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},
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monograph: {
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preset: 'monograph',
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accent: '#333333',
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fonts: { heading: 'Instrument Serif', body: 'Inter', caption: 'IBM Plex Mono' },
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radius: 0,
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photoFrame: 'none',
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grain: false,
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headerDot: false,
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heroStyle: 'typographic',
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},
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botanica: {
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preset: 'botanica',
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accent: '#4a7c59',
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fonts: { heading: 'Cormorant Garamond', body: 'Nunito Sans', caption: 'Inconsolata' },
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radius: 8,
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photoFrame: 'none',
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grain: false,
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headerDot: true,
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heroStyle: 'split',
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},
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};
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/** Raw YAML structure (before validation). */
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interface GalleryYaml {
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hero?: string | string[];
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albums?: string[];
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exifOnHover?: boolean;
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map?: boolean;
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theme?:
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| string
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| {
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preset?: string;
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accent?: string;
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fonts?: { heading?: string; body?: string; caption?: string };
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radius?: number;
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photoFrame?: string;
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grain?: boolean;
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headerDot?: boolean;
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heroStyle?: string;
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};
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grid?: {
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columns?: number;
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gap?: number;
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aspectRatio?: string;
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layout?: string;
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};
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footer?: {
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name?: string;
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instagram?: string;
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email?: string;
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website?: string;
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};
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subpages?:
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| Record<string, string[] | Array<string | Record<string, string>>>
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| Array<{
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name: string;
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albums: Array<string | Record<string, string>>;
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password?: string;
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grid?: {
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columns?: number;
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gap?: number;
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aspectRatio?: string;
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layout?: string;
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};
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}>;
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}
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// ── YAML loading ───────────────────────────────────────────────
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function loadGalleryYaml(): GalleryYaml {
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const yamlPath = path.join(process.cwd(), 'content', 'gallery.yaml');
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if (!fs.existsSync(yamlPath)) {
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throw new Error(
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`Gallery config not found: ${yamlPath}\n` +
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`Copy content/gallery.yaml.example to content/gallery.yaml and add your album IDs.`,
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);
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}
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const raw = fs.readFileSync(yamlPath, 'utf8');
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const data = yaml.load(raw) as GalleryYaml;
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if (!data || typeof data !== 'object') {
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throw new Error('gallery.yaml is empty or invalid');
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}
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return data;
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}
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// ── UUID validation ────────────────────────────────────────────
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const UUID_REGEX = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
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function validateUuid(id: string, context: string): string {
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const trimmed = id.trim();
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if (!UUID_REGEX.test(trimmed)) {
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throw new Error(`Invalid UUID in ${context}: "${trimmed}"`);
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}
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return trimmed;
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}
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// ── Slugify ────────────────────────────────────────────────────
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/**
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* Convert an album name into a URL-friendly slug.
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* "Kloster Chorin" → "kloster-chorin"
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*/
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export function slugify(name: string): string {
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return name
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.toLowerCase()
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.normalize('NFD')
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.replace(/[\u0300-\u036f]/g, '') // strip diacritics (ü→u, é→e)
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.replace(/[^a-z0-9]+/g, '-') // non-alphanumeric → hyphens
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.replace(/^-+|-+$/g, ''); // trim leading/trailing hyphens
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}
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// ── Config type ────────────────────────────────────────────────
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/** Grid layout configuration. */
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export interface GridConfig {
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columns: number;
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gap: number;
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aspectRatio: string;
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layout: 'masonry' | 'uniform' | 'showcase' | 'filmstrip' | 'editorial-flow';
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}
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export interface AppConfig {
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immich: { apiUrl: string; apiKey: string };
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/** Secret used for signing auth cookies and encrypting asset tokens. */
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authSecret: string;
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albums: string[];
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standaloneAlbums: string[];
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subpages: SubpageConfig[];
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siteTitle: string;
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siteSubtitle: string;
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/** One or more hero image asset IDs for the homepage carousel. */
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heroImages: string[];
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/** Show EXIF (camera/lens) on photo grid hover. Default: true. */
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exifOnHover: boolean;
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/** Photo grid layout configuration. */
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grid: GridConfig;
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/** Theme configuration. */
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theme: ThemeConfig;
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/** Footer social links config. */
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footer: FooterConfig | null;
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/** Show the /map page. Default: false. */
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map: boolean;
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/** Explicit album name overrides from gallery.yaml. */
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albumOverrides: Record<string, string>;
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cacheTtl: number;
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rateLimitRpm: number;
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}
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// ── Theme resolution ───────────────────────────────────────────
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const VALID_PHOTO_FRAMES = ['none', 'passepartout', 'shadow'];
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const VALID_HERO_STYLES = ['split', 'fullbleed', 'minimal', 'stacked', 'typographic', 'mosaic'];
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const VALID_LAYOUTS = ['masonry', 'uniform', 'showcase', 'filmstrip', 'editorial-flow'];
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function resolveTheme(raw?: GalleryYaml['theme']): ThemeConfig {
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// No theme key → default preset
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if (!raw) return { ...THEME_PRESETS.studio };
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// String shorthand: `theme: minimal`
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if (typeof raw === 'string') {
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const preset = THEME_PRESETS[raw];
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if (!preset) {
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throw new Error(
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`Unknown theme preset "${raw}". Valid presets: ${Object.keys(THEME_PRESETS).join(', ')}`,
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);
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}
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return { ...preset };
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}
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// Object: merge with base preset
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const baseName = raw.preset ?? 'studio';
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const base = THEME_PRESETS[baseName];
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if (!base) {
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throw new Error(
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`Unknown theme preset "${baseName}". Valid presets: ${Object.keys(THEME_PRESETS).join(', ')}`,
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);
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}
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return {
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preset: baseName,
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accent: raw.accent ?? base.accent,
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fonts: {
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heading: raw.fonts?.heading ?? base.fonts.heading,
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body: raw.fonts?.body ?? base.fonts.body,
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caption: raw.fonts?.caption ?? base.fonts.caption,
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},
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radius: raw.radius ?? base.radius,
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photoFrame: VALID_PHOTO_FRAMES.includes(raw.photoFrame ?? '')
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? (raw.photoFrame as ThemeConfig['photoFrame'])
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: base.photoFrame,
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grain: raw.grain ?? base.grain,
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headerDot: raw.headerDot ?? base.headerDot,
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heroStyle: VALID_HERO_STYLES.includes(raw.heroStyle ?? '')
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? (raw.heroStyle as ThemeConfig['heroStyle'])
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: base.heroStyle,
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};
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}
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/**
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* Build a Google Fonts URL for the theme's fonts.
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* Deduplicates fonts and includes key weights.
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*/
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export function getGoogleFontsUrl(theme: ThemeConfig): string {
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const weights = '300;400;500;600';
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const families = [...new Set([theme.fonts.heading, theme.fonts.body, theme.fonts.caption])];
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const params = families.map((f) => `family=${f.replace(/ /g, '+')}:wght@${weights}`).join('&');
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return `https://fonts.googleapis.com/css2?${params}&display=swap`;
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}
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// ── Config builder ─────────────────────────────────────────────
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let _config: AppConfig | null = null;
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export function getConfig(): AppConfig {
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if (_config) return _config;
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const apiUrl = env.IMMICH_API_URL;
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const apiKey = env.IMMICH_API_KEY;
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const authSecret = env.AUTH_SECRET || apiKey;
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if (!env.AUTH_SECRET && process.env.NODE_ENV === 'production') {
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console.warn(
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'\n⚠️ SECURITY WARNING: AUTH_SECRET is not set. Falling back to IMMICH_API_KEY.\n' +
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' Please set a long random string as AUTH_SECRET in your .env for better security.\n',
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);
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}
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const gallery = loadGalleryYaml();
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// Resolve theme: string shorthand → preset, object → merged with preset base
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const theme = resolveTheme(gallery.theme);
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const albumOverrides: Record<string, string> = {};
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function processAlbumEntry(entry: string | Record<string, string>, context: string): string {
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if (typeof entry === 'string') {
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return validateUuid(entry, context);
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}
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// Map format: { "uuid": "Custom Name" }
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const [uuid, name] = Object.entries(entry)[0];
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const validatedUuid = validateUuid(uuid, context);
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albumOverrides[validatedUuid] = name;
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return validatedUuid;
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}
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// Parse standalone albums
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const standaloneAlbumIds = (gallery.albums ?? []).map((entry) =>
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processAlbumEntry(entry, 'gallery.yaml albums'),
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);
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if (
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standaloneAlbumIds.length === 0 &&
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(!gallery.subpages ||
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(Array.isArray(gallery.subpages)
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? gallery.subpages.length === 0
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: Object.keys(gallery.subpages).length === 0))
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) {
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throw new Error('gallery.yaml must define at least one album or subpage');
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}
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// Parse subpages
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let subpages: SubpageConfig[] = [];
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if (Array.isArray(gallery.subpages)) {
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// Original list format
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subpages = gallery.subpages.map((sp) => {
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if (!sp.name || !sp.albums || sp.albums.length === 0) {
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throw new Error(
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`Subpage "${sp.name || '(unnamed)'}" must have a name and at least one album`,
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);
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}
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return {
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name: sp.name,
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slug: slugify(sp.name),
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albumIds: sp.albums.map((entry) => processAlbumEntry(entry, `subpage "${sp.name}"`)),
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password: sp.password,
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...(sp.grid
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? {
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grid: {
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...(sp.grid.columns != null ? { columns: sp.grid.columns } : {}),
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...(sp.grid.gap != null ? { gap: sp.grid.gap } : {}),
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...(sp.grid.aspectRatio != null ? { aspectRatio: sp.grid.aspectRatio } : {}),
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...(sp.grid.layout != null
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? {
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layout: (VALID_LAYOUTS.includes(sp.grid.layout)
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? sp.grid.layout
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: 'masonry') as GridConfig['layout'],
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}
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: {}),
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},
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}
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: {}),
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};
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});
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} else if (gallery.subpages) {
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// New map format: { "Subpage Name": ["uuid1", { "uuid2": "Name" }] } OR { "Subpage Name": { password: "...", albums: [...] } }
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subpages = Object.entries(gallery.subpages).map(([name, value]) => {
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// If it's an array, it's just albums
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if (Array.isArray(value)) {
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return {
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name,
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slug: slugify(name),
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albumIds: value.map((entry) => processAlbumEntry(entry, `subpage "${name}"`)),
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};
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}
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// If it's an object, it might have password, grid, albums
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const sp = value as any;
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const albumEntries = sp.albums || [];
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return {
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name,
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slug: slugify(name),
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albumIds: albumEntries.map((entry: any) => processAlbumEntry(entry, `subpage "${name}"`)),
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password: sp.password,
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...(sp.grid
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? {
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grid: {
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...(sp.grid.columns != null ? { columns: sp.grid.columns } : {}),
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...(sp.grid.gap != null ? { gap: sp.grid.gap } : {}),
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...(sp.grid.aspectRatio != null ? { aspectRatio: sp.grid.aspectRatio } : {}),
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...(sp.grid.layout != null
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? {
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layout: (VALID_LAYOUTS.includes(sp.grid.layout)
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? sp.grid.layout
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: 'masonry') as GridConfig['layout'],
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}
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: {}),
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},
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}
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: {}),
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};
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});
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}
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// Collect ALL album IDs (standalone + subpage) — deduplicated
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const subpageAlbumIds = new Set(subpages.flatMap((sp) => sp.albumIds));
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const allAlbumIds = [...new Set([...standaloneAlbumIds, ...subpageAlbumIds])];
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_config = {
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immich: {
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apiUrl: `${apiUrl}/api`,
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apiKey,
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},
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authSecret,
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albums: allAlbumIds,
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standaloneAlbums: standaloneAlbumIds.filter((id) => !subpageAlbumIds.has(id)),
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subpages,
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siteTitle: env.SITE_TITLE,
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siteSubtitle: env.SITE_SUBTITLE,
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heroImages: gallery.hero
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? (Array.isArray(gallery.hero) ? gallery.hero : [gallery.hero]).map((id) =>
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validateUuid(id, 'gallery.yaml hero'),
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)
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: [],
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exifOnHover: gallery.exifOnHover !== false,
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grid: {
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columns: gallery.grid?.columns ?? 3,
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gap: gallery.grid?.gap ?? 12,
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aspectRatio: gallery.grid?.aspectRatio ?? '1',
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layout: (VALID_LAYOUTS.includes(gallery.grid?.layout ?? '')
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? gallery.grid!.layout
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: 'masonry') as GridConfig['layout'],
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},
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theme,
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footer: gallery.footer
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? {
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name: gallery.footer.name,
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instagram: gallery.footer.instagram,
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email: gallery.footer.email,
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website: gallery.footer.website,
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}
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: null,
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map: gallery.map === true,
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albumOverrides,
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cacheTtl: env.CACHE_TTL * 1000,
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rateLimitRpm: env.RATE_LIMIT_RPM,
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};
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return _config;
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}
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