Files
3x-ui/frontend/src/utils/index.ts
T
VAIO73 052b11d2bc feat(i18n): add the Slovak (sk-SK) panel locale (#6889)
Adds a complete Slovak translation of every panel and bot string, registers
sk-SK in the language picker (a browser set to sk now lands on it instead of
English) and loads Ant Design's Slovak locale. The locale count in the READMEs,
docs and contributor guides moves from 13 to 14.
2026-10-24 07:35:28 +02:00

1035 lines
30 KiB
TypeScript

import i18next from 'i18next';
import { httpRequest } from '@/api/http-init';
import type { HttpResponse } from '@/api/http-init';
import { getMessage } from './messageBus';
type RespEnvelope = { success?: unknown; msg?: unknown; obj?: unknown };
export class Msg<T = unknown> {
success: boolean;
msg: string;
obj: T | null;
constructor(success: boolean = false, msg: string = '', obj: T | null = null) {
this.success = success;
this.msg = msg;
this.obj = obj;
}
}
export interface HttpOptions {
headers?: Record<string, string> | Headers;
params?: unknown;
timeout?: number;
signal?: AbortSignal;
silent?: boolean;
silentSuccess?: boolean;
}
export interface HttpModal {
loading: (state: boolean) => void;
close: () => void;
}
export class HttpUtil {
static _handleMsg(msg: unknown, silentSuccess = false): void {
if (!(msg instanceof Msg) || msg.msg === '') {
return;
}
if (msg.success) {
if (!silentSuccess) {
getMessage().success(msg.msg);
}
if (
msg.obj &&
typeof msg.obj === 'object' &&
(msg.obj as { nodePending?: unknown }).nodePending === true
) {
getMessage().warning(i18next.t('pages.inbounds.toasts.savedNodeOfflineWillSync'));
}
return;
}
getMessage().error(msg.msg);
}
static _respToMsg(resp: HttpResponse | undefined): Msg {
if (!resp || !resp.data) {
return new Msg(false, 'No response data');
}
const { data } = resp;
if (data == null) {
return new Msg(true);
}
if (typeof data === 'object' && 'success' in (data as object)) {
const d = data as RespEnvelope;
return new Msg(Boolean(d.success), typeof d.msg === 'string' ? d.msg : '', d.obj ?? null);
}
return typeof data === 'object' ? (data as Msg) : new Msg(false, 'unknown data:', data);
}
static async get<T = unknown>(
url: string,
params?: unknown,
options: HttpOptions = {},
): Promise<Msg<T>> {
const { silent, silentSuccess, ...rest } = options;
try {
const resp = await httpRequest('GET', url, undefined, { ...rest, params });
const msg = this._respToMsg(resp) as Msg<T>;
if (!silent) this._handleMsg(msg, silentSuccess);
return msg;
} catch (error) {
const err = error as {
response?: { data?: { msg?: string; message?: string } };
message?: string;
};
const data = err.response?.data;
const errorMsg = new Msg<T>(
false,
data?.msg || data?.message || err.message || 'Request failed',
);
if (!silent) {
console.error('GET request failed:', error);
this._handleMsg(errorMsg);
}
return errorMsg;
}
}
static async post<T = unknown>(
url: string,
data?: unknown,
options: HttpOptions = {},
): Promise<Msg<T>> {
const { silent, silentSuccess, ...rest } = options;
try {
const resp = await httpRequest('POST', url, data, rest);
const msg = this._respToMsg(resp) as Msg<T>;
if (!silent) this._handleMsg(msg, silentSuccess);
return msg;
} catch (error) {
const err = error as {
response?: { data?: { msg?: string; message?: string } };
message?: string;
};
const data = err.response?.data;
const errorMsg = new Msg<T>(
false,
data?.msg || data?.message || err.message || 'Request failed',
);
if (!silent) {
console.error('POST request failed:', error);
this._handleMsg(errorMsg);
}
return errorMsg;
}
}
static async delete<T = unknown>(url: string, options: HttpOptions = {}): Promise<Msg<T>> {
const { silent, silentSuccess, ...rest } = options;
try {
const resp = await httpRequest('DELETE', url, undefined, rest);
const msg = this._respToMsg(resp) as Msg<T>;
if (!silent) this._handleMsg(msg, silentSuccess);
return msg;
} catch (error) {
console.error('DELETE request failed:', error);
const err = error as {
response?: { data?: { msg?: string; message?: string } };
message?: string;
};
const data = err.response?.data;
const errorMsg = new Msg<T>(
false,
data?.msg || data?.message || err.message || 'Request failed',
);
if (!silent) this._handleMsg(errorMsg);
return errorMsg;
}
}
static async postWithModal<T = unknown>(
url: string,
data?: unknown,
modal?: HttpModal | null,
): Promise<Msg<T>> {
if (modal) {
modal.loading(true);
}
const msg = await this.post<T>(url, data);
if (modal) {
modal.loading(false);
if (msg instanceof Msg && msg.success) {
modal.close();
}
}
return msg;
}
}
export function applyDocumentTitle(): void {
const host = window.location.hostname;
if (!host) return;
const current = document.title.trim();
document.title = current ? `${host} - ${current}` : host;
}
export class PromiseUtil {
static async sleep(timeout: number): Promise<void> {
await new Promise<void>((resolve) => {
setTimeout(resolve, timeout);
});
}
}
export interface RandomSeqOptions {
type?: 'default' | 'hex';
hasNumbers?: boolean;
hasLowercase?: boolean;
hasUppercase?: boolean;
}
export class RandomUtil {
static getSeq({
type = 'default',
hasNumbers = true,
hasLowercase = true,
hasUppercase = true,
}: RandomSeqOptions = {}): string {
let seq = '';
switch (type) {
case 'hex':
seq += '0123456789abcdef';
break;
default:
if (hasNumbers) seq += '0123456789';
if (hasLowercase) seq += 'abcdefghijklmnopqrstuvwxyz';
if (hasUppercase) seq += 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
break;
}
return seq;
}
static randomInteger(min: number, max: number): number {
const range = max - min + 1;
const randomBuffer = new Uint32Array(1);
window.crypto.getRandomValues(randomBuffer);
return Math.floor((randomBuffer[0] / (0xffffffff + 1)) * range) + min;
}
static randomSeq(count: number, options: RandomSeqOptions = {}): string {
const seq = this.getSeq(options);
const seqLength = seq.length;
const randomValues = new Uint32Array(count);
window.crypto.getRandomValues(randomValues);
return Array.from(randomValues, (v) => seq[v % seqLength]).join('');
}
static randomShortIds(): string {
const lengths = [2, 4, 6, 8, 10, 12, 14, 16].sort(() => Math.random() - 0.5);
return lengths.map((len) => this.randomSeq(len, { type: 'hex' })).join(',');
}
static randomLowerAndNum(len: number): string {
return this.randomSeq(len, { hasUppercase: false });
}
static randomUUID(): string {
if (window.location.protocol === 'https:') {
return window.crypto.randomUUID();
}
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
const randomValues = new Uint8Array(1);
window.crypto.getRandomValues(randomValues);
const randomValue = randomValues[0] % 16;
const calculatedValue = c === 'x' ? randomValue : (randomValue & 0x3) | 0x8;
return calculatedValue.toString(16);
});
}
static randomShadowsocksPassword(method: string = '2022-blake3-aes-256-gcm'): string {
const length = method === '2022-blake3-aes-128-gcm' ? 16 : 32;
const array = new Uint8Array(length);
window.crypto.getRandomValues(array);
return Base64.alternativeEncode(String.fromCharCode(...array));
}
static isShadowsocks2022Password(password: string, method: string): boolean {
if (!method || method.substring(0, 4) !== '2022') return true;
const expected = method === '2022-blake3-aes-128-gcm' ? 16 : 32;
try {
return window.atob(password).length === expected;
} catch {
return false;
}
}
static randomBase64(length: number = 16): string {
const array = new Uint8Array(length);
window.crypto.getRandomValues(array);
return Base64.alternativeEncode(String.fromCharCode(...array));
}
static randomBase32String(length: number = 16): string {
const array = new Uint8Array(length);
window.crypto.getRandomValues(array);
const base32Chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567';
let result = '';
let bits = 0;
let buffer = 0;
for (let i = 0; i < array.length; i++) {
buffer = (buffer << 8) | array[i];
bits += 8;
while (bits >= 5) {
bits -= 5;
result += base32Chars[(buffer >>> bits) & 0x1f];
}
}
if (bits > 0) {
result += base32Chars[(buffer << (5 - bits)) & 0x1f];
}
return result;
}
}
type AnyRecord = Record<string, unknown>;
export class ObjectUtil {
static getPropIgnoreCase(obj: AnyRecord, prop: string): unknown {
for (const name in obj) {
if (!Object.prototype.hasOwnProperty.call(obj, name)) continue;
if (name.toLowerCase() === prop.toLowerCase()) {
return obj[name];
}
}
return undefined;
}
static deepSearch(obj: unknown, key: string): boolean {
if (obj instanceof Array) {
for (let i = 0; i < obj.length; ++i) {
if (this.deepSearch(obj[i], key)) return true;
}
} else if (obj instanceof Object) {
const rec = obj as AnyRecord;
for (const name in rec) {
if (!Object.prototype.hasOwnProperty.call(rec, name)) continue;
if (this.deepSearch(rec[name], key)) return true;
}
} else {
return this.isEmpty(obj) ? false : String(obj).toLowerCase().indexOf(key.toLowerCase()) >= 0;
}
return false;
}
static isEmpty(obj: unknown): boolean {
return obj === null || obj === undefined || obj === '';
}
static isArrEmpty(arr: unknown): boolean {
return !Array.isArray(arr) || arr.length === 0;
}
static copyArr<T>(dest: T[], src: T[]): void {
dest.splice(0);
for (const item of src) {
dest.push(item);
}
}
static clone<T>(obj: T): T {
if (obj instanceof Array) {
const newArr: unknown[] = [];
this.copyArr(newArr, obj);
return newArr as unknown as T;
}
if (obj instanceof Object) {
const newObj: AnyRecord = {};
const rec = obj as unknown as AnyRecord;
for (const key of Object.keys(rec)) {
newObj[key] = rec[key];
}
return newObj as unknown as T;
}
return obj;
}
static deepClone<T>(obj: T): T {
if (obj instanceof Array) {
const newArr: unknown[] = [];
for (const item of obj) {
newArr.push(this.deepClone(item));
}
return newArr as unknown as T;
}
if (obj instanceof Object) {
const newObj: AnyRecord = {};
const rec = obj as unknown as AnyRecord;
for (const key of Object.keys(rec)) {
newObj[key] = this.deepClone(rec[key]);
}
return newObj as unknown as T;
}
return obj;
}
static cloneProps(dest: object, src: object, ...ignoreProps: string[]): void {
if (dest == null || src == null) return;
const ignoreEmpty = this.isArrEmpty(ignoreProps);
const d = dest as AnyRecord;
const s = src as AnyRecord;
for (const key of Object.keys(s)) {
if (!Object.prototype.hasOwnProperty.call(s, key)) continue;
if (!Object.prototype.hasOwnProperty.call(d, key)) continue;
if (s[key] === undefined) continue;
if (ignoreEmpty) {
d[key] = s[key];
} else {
let ignore = false;
for (let i = 0; i < ignoreProps.length; ++i) {
if (key === ignoreProps[i]) {
ignore = true;
break;
}
}
if (!ignore) {
d[key] = s[key];
}
}
}
}
static delProps(obj: object, ...props: string[]): void {
const o = obj as AnyRecord;
for (const prop of props) {
if (prop in o) {
delete o[prop];
}
}
}
static execute(func: unknown, ...args: unknown[]): void {
if (!this.isEmpty(func) && typeof func === 'function') {
(func as (...a: unknown[]) => unknown)(...args);
}
}
static orDefault<T>(obj: T | null | undefined, defaultValue: T): T {
if (obj == null) return defaultValue;
return obj;
}
static equals(a: unknown, b: unknown): boolean {
if (a == null || b == null || typeof a !== 'object' || typeof b !== 'object') {
return a === b;
}
const ra = a as AnyRecord;
const rb = b as AnyRecord;
const aKeys = Object.keys(ra);
const bKeys = Object.keys(rb);
if (aKeys.length !== bKeys.length) return false;
for (const key of aKeys) {
if (!Object.prototype.hasOwnProperty.call(rb, key)) return false;
if (ra[key] !== rb[key]) return false;
}
return true;
}
}
export class Wireguard {
static gf(init?: ArrayLike<number>): Float64Array {
const r = new Float64Array(16);
if (init) {
for (let i = 0; i < init.length; ++i) r[i] = init[i];
}
return r;
}
static pack(o: Uint8Array, n: Float64Array): void {
let b: number;
const m = this.gf();
const t = this.gf();
for (let i = 0; i < 16; ++i) t[i] = n[i];
this.carry(t);
this.carry(t);
this.carry(t);
for (let j = 0; j < 2; ++j) {
m[0] = t[0] - 0xffed;
for (let i = 1; i < 15; ++i) {
m[i] = t[i] - 0xffff - ((m[i - 1] >> 16) & 1);
m[i - 1] &= 0xffff;
}
m[15] = t[15] - 0x7fff - ((m[14] >> 16) & 1);
b = (m[15] >> 16) & 1;
m[14] &= 0xffff;
this.cswap(t, m, 1 - b);
}
for (let i = 0; i < 16; ++i) {
o[2 * i] = t[i] & 0xff;
o[2 * i + 1] = t[i] >> 8;
}
}
static carry(o: Float64Array): void {
for (let i = 0; i < 16; ++i) {
o[(i + 1) % 16] += (i < 15 ? 1 : 38) * Math.floor(o[i] / 65536);
o[i] &= 0xffff;
}
}
static cswap(p: Float64Array, q: Float64Array, b: number): void {
const c = ~(b - 1);
let t: number;
for (let i = 0; i < 16; ++i) {
t = c & (p[i] ^ q[i]);
p[i] ^= t;
q[i] ^= t;
}
}
static add(o: Float64Array, a: Float64Array, b: Float64Array): void {
for (let i = 0; i < 16; ++i) o[i] = (a[i] + b[i]) | 0;
}
static subtract(o: Float64Array, a: Float64Array, b: Float64Array): void {
for (let i = 0; i < 16; ++i) o[i] = (a[i] - b[i]) | 0;
}
static multmod(o: Float64Array, a: Float64Array, b: Float64Array): void {
const t = new Float64Array(31);
for (let i = 0; i < 16; ++i) {
for (let j = 0; j < 16; ++j) t[i + j] += a[i] * b[j];
}
for (let i = 0; i < 15; ++i) t[i] += 38 * t[i + 16];
for (let i = 0; i < 16; ++i) o[i] = t[i];
this.carry(o);
this.carry(o);
}
static invert(o: Float64Array, i: Float64Array): void {
const c = this.gf();
for (let a = 0; a < 16; ++a) c[a] = i[a];
for (let a = 253; a >= 0; --a) {
this.multmod(c, c, c);
if (a !== 2 && a !== 4) this.multmod(c, c, i);
}
for (let a = 0; a < 16; ++a) o[a] = c[a];
}
static clamp(z: Uint8Array): void {
z[31] = (z[31] & 127) | 64;
z[0] &= 248;
}
static generatePublicKey(privateKey: Uint8Array): Uint8Array {
let r: number;
const z = new Uint8Array(32);
const a = this.gf([1]);
const b = this.gf([9]);
const c = this.gf();
const d = this.gf([1]);
const e = this.gf();
const f = this.gf();
const _121665 = this.gf([0xdb41, 1]);
const _9 = this.gf([9]);
for (let i = 0; i < 32; ++i) z[i] = privateKey[i];
this.clamp(z);
for (let i = 254; i >= 0; --i) {
r = (z[i >>> 3] >>> (i & 7)) & 1;
this.cswap(a, b, r);
this.cswap(c, d, r);
this.add(e, a, c);
this.subtract(a, a, c);
this.add(c, b, d);
this.subtract(b, b, d);
this.multmod(d, e, e);
this.multmod(f, a, a);
this.multmod(a, c, a);
this.multmod(c, b, e);
this.add(e, a, c);
this.subtract(a, a, c);
this.multmod(b, a, a);
this.subtract(c, d, f);
this.multmod(a, c, _121665);
this.add(a, a, d);
this.multmod(c, c, a);
this.multmod(a, d, f);
this.multmod(d, b, _9);
this.multmod(b, e, e);
this.cswap(a, b, r);
this.cswap(c, d, r);
}
this.invert(c, c);
this.multmod(a, a, c);
this.pack(z, a);
return z;
}
static generatePresharedKey(): Uint8Array {
const privateKey = new Uint8Array(32);
window.crypto.getRandomValues(privateKey);
return privateKey;
}
static generatePrivateKey(): Uint8Array {
const privateKey = this.generatePresharedKey();
this.clamp(privateKey);
return privateKey;
}
static encodeBase64(dest: Uint8Array, src: Uint8Array): void {
const input = Uint8Array.from([
(src[0] >> 2) & 63,
((src[0] << 4) | (src[1] >> 4)) & 63,
((src[1] << 2) | (src[2] >> 6)) & 63,
src[2] & 63,
]);
for (let i = 0; i < 4; ++i) {
dest[i] =
input[i] +
65 +
(((25 - input[i]) >> 8) & 6) -
(((51 - input[i]) >> 8) & 75) -
(((61 - input[i]) >> 8) & 15) +
(((62 - input[i]) >> 8) & 3);
}
}
static keyToBase64(key: Uint8Array): string {
let i: number;
const base64 = new Uint8Array(44);
for (i = 0; i < 32 / 3; ++i) {
this.encodeBase64(base64.subarray(i * 4), key.subarray(i * 3));
}
this.encodeBase64(base64.subarray(i * 4), Uint8Array.from([key[i * 3 + 0], key[i * 3 + 1], 0]));
base64[43] = 61;
return String.fromCharCode.apply(null, Array.from(base64));
}
static keyFromBase64(encoded: string): Uint8Array {
const binaryStr = atob(encoded);
const bytes = new Uint8Array(binaryStr.length);
for (let i = 0; i < binaryStr.length; i++) {
bytes[i] = binaryStr.charCodeAt(i);
}
return bytes;
}
static generateKeypair(secretKey: string = ''): { publicKey: string; privateKey: string } {
const privateKey =
secretKey.length > 0 ? this.keyFromBase64(secretKey) : this.generatePrivateKey();
const publicKey = this.generatePublicKey(privateKey);
return {
publicKey: this.keyToBase64(publicKey),
privateKey: secretKey.length > 0 ? secretKey : this.keyToBase64(privateKey),
};
}
}
export class ClipboardManager {
static async copyText(content: unknown = ''): Promise<boolean> {
const text = String(content ?? '');
if (navigator.clipboard && window.isSecureContext) {
try {
await navigator.clipboard.writeText(text);
return true;
} catch {}
}
return ClipboardManager._legacyCopy(text);
}
static _legacyCopy(text: string): boolean {
const span = document.createElement('span');
span.textContent = text;
span.style.whiteSpace = 'pre';
span.style.position = 'absolute';
span.style.left = '-9999px';
span.style.top = '0';
document.body.appendChild(span);
const selection = window.getSelection();
if (!selection) {
document.body.removeChild(span);
return false;
}
const prevSelection = selection.rangeCount > 0 ? selection.getRangeAt(0) : null;
selection.removeAllRanges();
const range = window.document.createRange();
range.selectNodeContents(span);
selection.addRange(range);
let ok = false;
try {
const exec = (document as unknown as Record<string, unknown>)['execCommand'];
if (typeof exec === 'function') {
ok = (exec as (cmd: string) => boolean).call(document, 'copy');
}
} catch {}
selection.removeAllRanges();
if (prevSelection) {
selection.addRange(prevSelection);
}
document.body.removeChild(span);
return ok;
}
}
export class Base64 {
static encode(content: string = '', safe: boolean = false): string {
if (safe) {
return Base64.encode(content).replace(/\+/g, '-').replace(/=/g, '').replace(/\//g, '_');
}
return window.btoa(String.fromCharCode(...new TextEncoder().encode(content)));
}
static alternativeEncode(content: string): string {
return window.btoa(content);
}
static decode(content: string = ''): string {
const normalized = content.replace(/-/g, '+').replace(/_/g, '/');
const padded = normalized.padEnd(Math.ceil(normalized.length / 4) * 4, '=');
return new TextDecoder().decode(Uint8Array.from(window.atob(padded), (c) => c.charCodeAt(0)));
}
}
export class SizeFormatter {
static readonly ONE_KB = 1024;
static readonly ONE_MB = SizeFormatter.ONE_KB * 1024;
static readonly ONE_GB = SizeFormatter.ONE_MB * 1024;
static readonly ONE_TB = SizeFormatter.ONE_GB * 1024;
static readonly ONE_PB = SizeFormatter.ONE_TB * 1024;
static sizeFormat(size: number | null | undefined): string {
if (size == null || !Number.isFinite(size) || size <= 0) return '0 B';
if (size < SizeFormatter.ONE_KB) return size.toFixed(0) + ' B';
if (size < SizeFormatter.ONE_MB) return (size / SizeFormatter.ONE_KB).toFixed(2) + ' KB';
if (size < SizeFormatter.ONE_GB) return (size / SizeFormatter.ONE_MB).toFixed(2) + ' MB';
if (size < SizeFormatter.ONE_TB) return (size / SizeFormatter.ONE_GB).toFixed(2) + ' GB';
if (size < SizeFormatter.ONE_PB) return (size / SizeFormatter.ONE_TB).toFixed(2) + ' TB';
return (size / SizeFormatter.ONE_PB).toFixed(2) + ' PB';
}
// Same unit ladder as sizeFormat, expressed per-second.
static speedFormat(bps: number | null | undefined): string {
return SizeFormatter.sizeFormat(bps) + '/s';
}
}
export class CPUFormatter {
static cpuSpeedFormat(speed: number): string {
return speed > 1000 ? (speed / 1000).toFixed(2) + ' GHz' : speed.toFixed(2) + ' MHz';
}
static cpuCoreFormat(cores: number): string {
return cores === 1 ? '1 Core' : cores + ' Cores';
}
}
export class TimeFormatter {
static formatClock(unixSec: number): string {
const d = new Date(unixSec * 1000);
const hh = String(d.getHours()).padStart(2, '0');
const mm = String(d.getMinutes()).padStart(2, '0');
const ss = String(d.getSeconds()).padStart(2, '0');
return `${hh}:${mm}:${ss}`;
}
static formatSecond(second: number): string {
if (second < 60) return second.toFixed(0) + 's';
if (second < 3600) return (second / 60).toFixed(0) + 'm';
if (second < 3600 * 24) return (second / 3600).toFixed(0) + 'h';
const day = Math.floor(second / 3600 / 24);
const remain = Number((second / 3600 - day * 24).toFixed(0));
return day + 'd' + (remain > 0 ? ' ' + remain + 'h' : '');
}
}
export class NumberFormatter {
static addZero(num: number): string | number {
return num < 10 ? '0' + num : num;
}
static toFixed(num: number, n: number): number {
const m = Math.pow(10, n);
return Math.floor(num * m) / m;
}
}
export class CookieManager {
static getCookie(cname: string): string {
const name = cname + '=';
const ca = document.cookie.split(';');
for (let c of ca) {
c = c.trim();
if (c.indexOf(name) === 0) {
return decodeURIComponent(c.substring(name.length, c.length));
}
}
return '';
}
static setCookie(cname: string, cvalue: string, exdays?: number): void {
let expires = '';
if (exdays) {
const d = new Date();
d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000);
expires = 'expires=' + d.toUTCString() + ';';
}
document.cookie = cname + '=' + encodeURIComponent(cvalue) + ';' + expires + 'path=/';
}
}
const COLORS = {
success: '#389e0a',
warning: '#faad14',
danger: '#ff4d4f',
purple: '#722ed1',
} as const;
export type UsageColor = 'purple' | 'green' | 'orange' | 'red';
export interface ClientUsageStats {
total: number;
up: number;
down: number;
}
export interface ExpiryClient {
enable: boolean;
expiryTime: number | null;
}
export class ColorUtils {
static usageColor(
data: number | null | undefined,
threshold: number,
total: number | { valueOf(): number } | null | undefined,
): UsageColor {
const t = Number(total ?? 0);
const d = Number(data);
switch (true) {
case data === null || data === undefined:
return 'purple';
case t < 0:
return 'green';
case t == 0:
return 'purple';
case d < t - threshold:
return 'green';
case d < t:
return 'orange';
default:
return 'red';
}
}
static clientUsageColor(
clientStats: ClientUsageStats | null | undefined,
trafficDiff: number,
): string {
switch (true) {
case !clientStats || clientStats.total == 0:
return COLORS.purple;
case clientStats!.up + clientStats!.down < clientStats!.total - trafficDiff:
return COLORS.success;
case clientStats!.up + clientStats!.down < clientStats!.total:
return COLORS.warning;
default:
return COLORS.danger;
}
}
static userExpiryColor(threshold: number, client: ExpiryClient, isDark: boolean = false): string {
if (!client.enable) return isDark ? '#2c3950' : '#bcbcbc';
const now = new Date().getTime();
const expiry = client.expiryTime;
switch (true) {
case expiry === null:
return COLORS.purple;
case (expiry as number) < 0:
return COLORS.success;
case (expiry as number) == 0:
return COLORS.purple;
case now < (expiry as number) - threshold:
return COLORS.success;
case now < (expiry as number):
return COLORS.warning;
default:
return COLORS.danger;
}
}
}
export interface SupportedLanguage {
name: string;
value: string;
icon: string;
}
export type LanguageScope = 'panel' | 'subscription';
const languageCookieNames: Record<LanguageScope, string> = {
panel: 'lang',
subscription: 'subLang',
};
export class LanguageManager {
static readonly supportedLanguages: readonly SupportedLanguage[] = [
{ name: 'العربية', value: 'ar-EG', icon: '🇪🇬' },
{ name: 'English', value: 'en-US', icon: '🇺🇸' },
{ name: 'فارسی', value: 'fa-IR', icon: '🇮🇷' },
{ name: '简体中文', value: 'zh-CN', icon: '🇨🇳' },
{ name: '繁體中文', value: 'zh-TW', icon: '🇹🇼' },
{ name: '日本語', value: 'ja-JP', icon: '🇯🇵' },
{ name: 'Русский', value: 'ru-RU', icon: '🇷🇺' },
{ name: 'Tiếng Việt', value: 'vi-VN', icon: '🇻🇳' },
{ name: 'Español', value: 'es-ES', icon: '🇪🇸' },
{ name: 'Indonesian', value: 'id-ID', icon: '🇮🇩' },
{ name: 'Український', value: 'uk-UA', icon: '🇺🇦' },
{ name: 'Türkçe', value: 'tr-TR', icon: '🇹🇷' },
{ name: 'Português', value: 'pt-BR', icon: '🇧🇷' },
{ name: 'Slovenčina', value: 'sk-SK', icon: '🇸🇰' },
];
static getLanguage(scope: LanguageScope = 'panel'): string {
const cookieName = languageCookieNames[scope];
let lang = CookieManager.getCookie(cookieName);
if (lang) return lang;
if (scope === 'subscription') {
const legacyLang = CookieManager.getCookie(languageCookieNames.panel);
if (LanguageManager.isSupportLanguage(legacyLang)) {
CookieManager.setCookie(cookieName, legacyLang, 365);
return legacyLang;
}
}
if (window.navigator) {
const nav = window.navigator as Navigator & { userLanguage?: string };
lang = nav.language || nav.userLanguage || '';
const simularLangs: [string, string][] = [
['ar', LanguageManager.supportedLanguages[0].value],
['fa', LanguageManager.supportedLanguages[2].value],
['ja', LanguageManager.supportedLanguages[5].value],
['ru', LanguageManager.supportedLanguages[6].value],
['vi', LanguageManager.supportedLanguages[7].value],
['es', LanguageManager.supportedLanguages[8].value],
['id', LanguageManager.supportedLanguages[9].value],
['uk', LanguageManager.supportedLanguages[10].value],
['tr', LanguageManager.supportedLanguages[11].value],
['pt', LanguageManager.supportedLanguages[12].value],
['sk', LanguageManager.supportedLanguages[13].value],
];
simularLangs.forEach((pair) => {
if (lang === pair[0]) {
lang = pair[1];
}
});
if (LanguageManager.isSupportLanguage(lang)) {
CookieManager.setCookie(cookieName, lang, 365);
} else {
CookieManager.setCookie(cookieName, 'en-US', 365);
window.location.reload();
}
} else {
CookieManager.setCookie(cookieName, 'en-US', 365);
window.location.reload();
}
return lang;
}
static setLanguage(language: string, scope: LanguageScope = 'panel'): void {
if (!LanguageManager.isSupportLanguage(language)) {
language = 'en-US';
}
CookieManager.setCookie(languageCookieNames[scope], language, 365);
window.location.reload();
}
static isSupportLanguage(language: string): boolean {
return LanguageManager.supportedLanguages.some((lang) => lang.value === language);
}
}
export class FileManager {
// Typed text/plain, Android's MediaStore saves peer.conf as peer.conf.txt;
// octet-stream carries no extension of its own, so the given name is kept.
static downloadTextFile(
content: BlobPart,
filename: string = 'file.txt',
options: BlobPropertyBag = { type: 'application/octet-stream' },
): void {
const link = window.document.createElement('a');
link.download = filename;
link.style.border = '0';
link.style.padding = '0';
link.style.margin = '0';
link.style.position = 'absolute';
link.style.left = '-9999px';
link.style.top = `${window.pageYOffset || window.document.documentElement.scrollTop}px`;
link.href = URL.createObjectURL(new Blob([content], options));
link.click();
URL.revokeObjectURL(link.href);
link.remove();
}
}
export type CalendarKind = 'gregorian' | 'jalalian';
export class IntlUtil {
static formatDate(
date: string | number | Date | null | undefined,
calendar: CalendarKind = 'gregorian',
language?: string,
): string {
if (date == null) return '';
const d = new Date(date);
if (!isFinite(d.getTime())) return '';
const resolvedLanguage = language ?? LanguageManager.getLanguage();
const locale = calendar === 'jalalian' ? 'fa-IR' : resolvedLanguage;
const intlOptions: Intl.DateTimeFormatOptions = {
year: 'numeric',
month: '2-digit',
day: '2-digit',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
hour12: false,
};
const intl = new Intl.DateTimeFormat(locale, intlOptions);
return intl.format(d);
}
static formatRelativeTime(date: number | null | undefined): string {
if (date == null) return '';
if (!isFinite(date)) return '';
const language = LanguageManager.getLanguage();
const now = new Date();
const diff =
date < 0
? Math.round(date / (1000 * 60 * 60 * 24))
: Math.round((date - now.getTime()) / (1000 * 60 * 60 * 24));
const formatter = new Intl.RelativeTimeFormat(language, { numeric: 'auto' });
return formatter.format(diff, 'day');
}
}