70 lines
2.1 KiB
TypeScript
70 lines
2.1 KiB
TypeScript
import { Platform } from 'react-native';
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type SmsRetrieverModule = {
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requestPhoneNumber: () => Promise<string>;
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startSmsRetriever: () => Promise<boolean>;
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addSmsListener: (callback: (event: { message?: string }) => void) => Promise<boolean>;
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removeSmsListener: () => void;
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};
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function getModule(): SmsRetrieverModule | null {
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if (Platform.OS !== 'android') return null;
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return require('react-native-sms-retriever').default as SmsRetrieverModule;
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}
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export function extractOtpFromMessage(message: string, length: number): string | null {
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const exact = new RegExp(`(?:^|[^\\d])(\\d{${length}})(?:[^\\d]|$)`);
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const m = message.match(exact);
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if (m) return m[1];
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const any = message.match(/(\d{4,8})/);
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if (!any) return null;
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const digits = any[1];
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if (digits.length >= length) return digits.slice(0, length);
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if (digits.length === length) return digits;
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return null;
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}
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/** SMS Retriever：无需 READ_SMS，短信需含 app hash（见 Google 文档） */
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export async function startOtpSmsListener(
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otpLength: number,
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onOtp: (otp: string) => void,
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): Promise<() => void> {
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const mod = getModule();
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if (!mod) return () => {};
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const stop = () => {
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try {
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mod.removeSmsListener();
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} catch {
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/* ignore */
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}
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};
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try {
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const registered = await mod.startSmsRetriever();
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if (!registered) return stop;
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await mod.addSmsListener((event) => {
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const msg = event.message ?? '';
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const otp = extractOtpFromMessage(msg, otpLength);
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if (otp) {
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onOtp(otp);
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stop();
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}
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});
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} catch {
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stop();
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}
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return stop;
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}
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/** 系统号码选择器，一次性授权，无需 READ_SMS */
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export async function requestPhoneNumberHint(): Promise<string> {
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const mod = getModule();
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if (!mod) throw new Error('仅支持 Android');
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return mod.requestPhoneNumber();
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}
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export function normalizeHintPhone(raw: string, mobileLength = 10): string {
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return raw.replace(/\D/g, '').slice(-mobileLength);
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}
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