react-native-biometry/lib/module/biometry.js

React native biometry

import { NativeModules } from 'react-native';
import { UnavailableError } from './unavailableError';
const {
  Biometry: RNBiometry
} = NativeModules;
const defaultPromptOptions = {
  title: 'Authentication required',
  subtitle: '',
  description: '',
  cancelText: 'Cancel'
};
export let SecurityLevel = /*#__PURE__*/function (SecurityLevel) {
  SecurityLevel[SecurityLevel["NONE"] = 0] = "NONE";
  SecurityLevel[SecurityLevel["SECRET"] = 1] = "SECRET";
  SecurityLevel[SecurityLevel["BIOMETRIC"] = 2] = "BIOMETRIC";
  return SecurityLevel;
}({});

/** @public */
export class Biometry {
  static async isAvailable() {
    if (!(RNBiometry !== null && RNBiometry !== void 0 && RNBiometry.isAvailable)) {
      throw new UnavailableError();
    }
    return RNBiometry.isAvailable();
  }
  static async isEnrolled() {
    if (!(RNBiometry !== null && RNBiometry !== void 0 && RNBiometry.isEnrolled)) {
      throw new UnavailableError();
    }
    return RNBiometry.isEnrolled();
  }
  static async getEnrolledLevel() {
    if (!(RNBiometry !== null && RNBiometry !== void 0 && RNBiometry.isEnrolled)) {
      throw new UnavailableError();
    }
    return RNBiometry.getEnrolledLevel();
  }
  static async encryptData(params) {
    if (!(RNBiometry !== null && RNBiometry !== void 0 && RNBiometry.encryptData)) {
      throw new UnavailableError();
    }
    try {
      return await RNBiometry.encryptData(params);
    } catch (e) {
      return {
        data: null,
        success: false
      };
    }
  }
  static async authenticate() {
    let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    if (!(RNBiometry !== null && RNBiometry !== void 0 && RNBiometry.authenticate)) {
      throw new UnavailableError();
    }
    try {
      var _options$encryptedDat, _options$securityKeyN;
      const prompt = {
        ...defaultPromptOptions,
        ...(options.prompt || {})
      };
      return RNBiometry.authenticate({
        prompt,
        encryptedData: (_options$encryptedDat = options.encryptedData) !== null && _options$encryptedDat !== void 0 && _options$encryptedDat.length ? options.encryptedData : null,
        securityKeyName: (_options$securityKeyN = options.securityKeyName) !== null && _options$securityKeyN !== void 0 && _options$securityKeyN.length ? options.securityKeyName : null
      });
    } catch (e) {
      return {
        success: false,
        data: null,
        error: e.message
      };
    }
  }
  static async cancel() {
    if (!(RNBiometry !== null && RNBiometry !== void 0 && RNBiometry.cancel)) {
      throw new UnavailableError();
    }
    return RNBiometry.cancel();
  }
}
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