94 lines
5.4 KiB
JavaScript
94 lines
5.4 KiB
JavaScript
import path from "path";
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const bool = (value, fallback = false) => {
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if (value == null || value === "") return fallback;
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return ["1", "true", "yes", "on"].includes(String(value).toLowerCase());
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};
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const int = (value, fallback) => {
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const parsed = Number.parseInt(value, 10);
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return Number.isInteger(parsed) ? parsed : fallback;
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};
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const trustProxy = (value, fallback = false) => {
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if (value == null || value === "") return fallback;
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const normalized = String(value).toLowerCase();
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if (["1", "true", "yes", "on"].includes(normalized)) return true;
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if (["0", "false", "no", "off"].includes(normalized)) return false;
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const parsed = Number.parseInt(value, 10);
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return Number.isInteger(parsed) ? parsed : value;
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};
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export function createConfig(overrides = {}) {
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const rootDir = overrides.rootDir || process.cwd();
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const dataDir = overrides.dataDir || path.resolve(rootDir, "data");
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const sessionsDir = overrides.sessionsDir || path.resolve(rootDir, "sessions");
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const testMode = bool(process.env.TEST_MODE, process.env.NODE_ENV === "test");
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const config = {
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rootDir,
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publicDir: path.resolve(rootDir, "public"),
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dataDir,
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uploadDir: process.env.UPLOAD_DIR || (process.env.NODE_ENV === "production" ? "/app/data/uploads" : path.resolve(dataDir, "uploads")),
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uploadMaxSizeMb: Math.max(1, int(process.env.UPLOAD_MAX_SIZE_MB, 10)),
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uploadMaxFiles: Math.max(1, int(process.env.UPLOAD_MAX_FILES, 5)),
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uploadMaxPixels: Math.max(1, int(process.env.UPLOAD_MAX_PIXELS, 30000000)),
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visionModel: process.env.VISION_MODEL || "gemma3:4b",
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sessionsDir,
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port: int(process.env.PORT, 3000),
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dbPath: process.env.DB_PATH || path.resolve(dataDir, "app.db"),
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sessionSecret: process.env.SESSION_SECRET || "change-me-session-secret",
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cookieSecure: bool(process.env.COOKIE_SECURE, false),
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allowInsecureCookies: bool(process.env.ALLOW_INSECURE_COOKIES, false),
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trustProxy: trustProxy(process.env.TRUST_PROXY, false),
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sessionMaxAgeMs: int(process.env.SESSION_MAX_AGE_MS, 7 * 24 * 60 * 60 * 1000),
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registrationInviteCode: process.env.REGISTRATION_INVITE_CODE || "",
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sameOriginProtectionEnabled: bool(process.env.SAME_ORIGIN_PROTECTION_ENABLED, true),
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staticMaxAge: process.env.STATIC_MAX_AGE || (process.env.NODE_ENV === "production" ? "1h" : 0),
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staticEtag: bool(process.env.STATIC_ETAG, true),
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staticFallthrough: bool(process.env.STATIC_FALLTHROUGH, true),
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eventLoopLagMonitorEnabled: bool(process.env.EVENT_LOOP_LAG_MONITOR_ENABLED, !testMode),
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eventLoopLagWarnMs: int(process.env.EVENT_LOOP_LAG_WARN_MS, 50),
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slowRequestLoggingEnabled: bool(process.env.SLOW_REQUEST_LOGGING_ENABLED, !testMode),
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slowRequestWarnMs: int(process.env.SLOW_REQUEST_WARN_MS, 50),
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structuredRequestLoggingEnabled: bool(process.env.STRUCTURED_REQUEST_LOGGING_ENABLED, !testMode),
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chatLimit: int(process.env.CHAT_LIMIT, 10),
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chatHistoryLimit: int(process.env.CHAT_HISTORY_LIMIT, 20),
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chatSummaryUpdateEveryMessages: int(process.env.CHAT_SUMMARY_UPDATE_EVERY_MESSAGES, 8),
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chatSummaryMaxChars: int(process.env.CHAT_SUMMARY_MAX_CHARS, 2200),
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chatMaxRetries: int(process.env.CHAT_MAX_RETRIES, 5),
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modelApiBaseUrl: process.env.MODEL_API_BASE_URL || "https://ai.krishd.ch/api",
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modelRequestYTimeoutMs: int(process.env.MODEL_REQUEST_TIMEOUT_MS, 180000),
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modelConnectTimeoutMs: Math.max(1, int(process.env.MODEL_CONNECT_TIMEOUT_MS, 30000)),
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modelInactivityTimeoutMs: Math.max(1, int(process.env.MODEL_INACTIVITY_TIMEOUT_MS, int(process.env.MODEL_REQUEST_TIMEOUT_MS, 180000))),
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modelMaxGenerationMs: Math.max(1, int(process.env.MODEL_MAX_GENERATION_MS, 600000)),
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ollamaKeepAlive: process.env.OLLAMA_KEEP_ALIVE || "30m",
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searxngUrl: process.env.SEARXNG_URL || "",
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webSearchTimeoutMs: Math.max(1, int(process.env.WEB_SEARCH_TIMEOUT_MS, 8000)),
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modelListTimeoutMs: int(process.env.MODEL_LIST_TIMEOUT_MS, 4000),
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modelUnloadAfterMs: int(process.env.MODEL_UNLOAD_AFTER_MS, 30 * 1000),
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modelsCacheTtlMs: int(process.env.MODELS_CACHE_TTL_MS, 5 * 60 * 1000),
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authRateLimitWindowMs: int(process.env.AUTH_RATE_LIMIT_WINDOW_MS, 15 * 60 * 1000),
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authRateLimitMaxPerIp: int(process.env.AUTH_RATE_LIMIT_MAX_PER_IP, 20),
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authRateLimitMaxPerAccount: int(process.env.AUTH_RATE_LIMIT_MAX_PER_ACCOUNT, 10),
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chatRateLimitWindowMs: int(process.env.CHAT_RATE_LIMIT_WINDOW_MS, 60 * 1000),
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chatRateLimitMaxPerIp: int(process.env.CHAT_RATE_LIMIT_MAX_PER_IP, 60),
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chatRateLimitMaxPerAccount: int(process.env.CHAT_RATE_LIMIT_MAX_PER_ACCOUNT, 30),
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rateLimitCleanupIntervalMs: int(process.env.RATE_LIMIT_CLEANUP_INTERVAL_MS, 60 * 1000),
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testMode,
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dropLegacyChats: bool(process.env.DROP_LEGACY_CHATS, true)
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};
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const resolved = {...config, ...overrides};
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if (process.env.NODE_ENV === "production" && !resolved.testMode) {
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if (resolved.sessionSecret === "change-me-session-secret") {
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throw new Error("SESSION_SECRET must be set in production.");
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}
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if (!resolved.cookieSecure && !resolved.allowInsecureCookies) {
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throw new Error("COOKIE_SECURE must be true in production unless ALLOW_INSECURE_COOKIES=true is set.");
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}
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}
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return resolved;
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}
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