casdoor-app/ScanQRCode.js

131 lines
4.2 KiB
JavaScript

// Copyright 2023 The Casdoor Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import React, {useEffect, useState} from "react";
import {Text, View} from "react-native";
import {Button, IconButton, Portal} from "react-native-paper";
import {Camera, CameraView, scanFromURLAsync} from "expo-camera";
import * as ImagePicker from "expo-image-picker";
import PropTypes from "prop-types";
import useProtobufDecoder from "./useProtobufDecoder";
const ScanQRCode = ({onClose, showScanner, onAdd}) => {
ScanQRCode.propTypes = {
onClose: PropTypes.func.isRequired,
onAdd: PropTypes.func.isRequired,
showScanner: PropTypes.bool.isRequired,
};
const [hasPermission, setHasPermission] = useState(null);
const decoder = useProtobufDecoder(require("./google/google_auth.proto"));
useEffect(() => {
const getPermissions = async() => {
const {status: cameraStatus} = await Camera.requestCameraPermissionsAsync();
setHasPermission(cameraStatus === "granted");
// const {status: mediaLibraryStatus} = await ImagePicker.requestMediaLibraryPermissionsAsync();
// setHasMediaLibraryPermission(mediaLibraryStatus === "granted");
};
getPermissions();
}, []);
const handleBarCodeScanned = ({type, data}) => {
// console.log(`Bar code with type ${type} and data ${data} has been scanned!`);
const supportedProtocols = ["otpauth", "otpauth-migration"];
const protocolMatch = data.match(new RegExp(`^(${supportedProtocols.join("|")}):`));
if (protocolMatch) {
const protocol = protocolMatch[1];
switch (protocol) {
case "otpauth":
handleOtpAuth(data);
break;
case "otpauth-migration":
handleGoogleMigration(data);
break;
default:
return;
}
onClose();
}
};
const handleOtpAuth = (data) => {
const [, accountName] = data.match(/otpauth:\/\/totp\/([^?]+)/) || [];
const [, secretKey] = data.match(/secret=([^&]+)/) || [];
const [, issuer] = data.match(/issuer=([^&]+)/) || [];
if (accountName && secretKey) {
onAdd({accountName, issuer: issuer || null, secretKey});
}
};
const handleGoogleMigration = (data) => {
const accounts = decoder.decodeExportUri(data);
onAdd(accounts.map(({accountName, issuer, totpSecret}) => ({accountName, issuer, secretKey: totpSecret})));
};
const pickImage = async() => {
const result = await ImagePicker.launchImageLibraryAsync({
mediaTypes: ImagePicker.MediaTypeOptions.Images,
quality: 1,
});
if (!result.canceled && result.assets[0]) {
const scannedData = await scanFromURLAsync(result.assets[0].uri, ["qr", "pdf417"]);
if (scannedData[0]) {
handleBarCodeScanned({type: scannedData[0].type, data: scannedData[0].data});
}
}
};
if (hasPermission === null) {
return <Text style={{margin: "20%"}}>Requesting permissions...</Text>;
}
if (hasPermission === false) {
return <Text style={{margin: "20%"}}>No access to camera or media library</Text>;
}
return (
<View style={{marginTop: "50%", flex: 1}}>
<Portal>
<CameraView
onBarcodeScanned={handleBarCodeScanned}
barcodeScannerSettings={{
barcodeTypes: ["qr", "pdf417"],
}}
style={{flex: 1}}
/>
<IconButton
icon="close"
size={40}
onPress={onClose}
style={{position: "absolute", top: 30, right: 5}}
/>
<Button
icon="image"
mode="contained"
onPress={pickImage}
style={{position: "absolute", bottom: 20, alignSelf: "center"}}
>
Choose Image
</Button>
</Portal>
</View>
);
};
export default ScanQRCode;