80 lines
2.1 KiB
TypeScript
80 lines
2.1 KiB
TypeScript
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import { randomBytes } from "crypto";
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import { existsSync, readFileSync, writeFileSync } from "fs";
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import { Permission } from "./permission/permission";
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export interface SettingConfig {
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/**
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* if true, server will bind on '127.0.0.1' rather than '0.0.0.0'
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*/
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localmode: boolean;
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/**
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* secure only
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*/
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secure: boolean;
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/**
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* guest permission
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*/
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guest: Permission[];
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/**
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* JWT secret key. if you change its value, all access tokens are invalidated.
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*/
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jwt_secretkey: string;
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/**
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* the port which running server is binding on.
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*/
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port: number;
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mode: "development" | "production";
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/**
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* if true, do not show 'electron' window and show terminal only.
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*/
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cli: boolean;
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/** forbid to login admin from remote client. but, it do not invalidate access token.
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* if you want to invalidate access token, change 'jwt_secretkey'. */
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forbid_remote_admin_login: boolean;
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}
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const default_setting: SettingConfig = {
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localmode: true,
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secure: true,
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guest: [],
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jwt_secretkey: "itsRandom",
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port: 8080,
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mode: "production",
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cli: false,
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forbid_remote_admin_login: true,
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};
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let setting: null | SettingConfig = null;
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const setEmptyToDefault = (target: any, default_table: SettingConfig) => {
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let diff_occur = false;
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for (const key in default_table) {
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if (key === undefined || key in target) {
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continue;
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}
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target[key] = default_table[key as keyof SettingConfig];
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diff_occur = true;
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}
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return diff_occur;
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};
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export const read_setting_from_file = () => {
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let ret = existsSync("settings.json") ? JSON.parse(readFileSync("settings.json", { encoding: "utf8" })) : {};
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const partial_occur = setEmptyToDefault(ret, default_setting);
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if (partial_occur) {
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writeFileSync("settings.json", JSON.stringify(ret));
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}
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return ret as SettingConfig;
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};
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export function get_setting(): SettingConfig {
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if (setting === null) {
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setting = read_setting_from_file();
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const env = process.env.NODE_ENV;
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if (env !== undefined && env != "production" && env != "development") {
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throw new Error('process unknown value in NODE_ENV: must be either "development" or "production"');
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}
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setting.mode = env ?? setting.mode;
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}
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return setting;
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}
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