79 lines
2.3 KiB
TypeScript
79 lines
2.3 KiB
TypeScript
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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