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feat: support login using QR code (#26)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // Copyright 2024 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"; | ||
|
|
||
| const QRScanner = ({onScan, onClose}) => { | ||
| const [hasPermission, setHasPermission] = useState(null); | ||
|
|
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| useEffect(() => { | ||
| const getPermissions = async() => { | ||
| const {status: cameraStatus} = await Camera.requestCameraPermissionsAsync(); | ||
| setHasPermission(cameraStatus === "granted"); | ||
| }; | ||
|
|
||
| getPermissions(); | ||
| }, []); | ||
|
|
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| const handleBarCodeScanned = ({type, data}) => { | ||
| onScan(type, data); | ||
| }; | ||
|
|
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| 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> | ||
| ); | ||
| }; | ||
|
|
||
| QRScanner.propTypes = { | ||
| onScan: PropTypes.func.isRequired, | ||
| onClose: PropTypes.func.isRequired, | ||
| }; | ||
|
|
||
| export default QRScanner; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // Copyright 2024 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 from "react"; | ||
| import PropTypes from "prop-types"; | ||
| import QRScanner from "./QRScanner"; | ||
|
|
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| const ScanQRCodeForLogin = ({onClose, showScanner, onLogin}) => { | ||
| const handleScan = (type, data) => { | ||
| if (isValidLoginQR(data)) { | ||
| const loginInfo = parseLoginQR(data); | ||
| onLogin(loginInfo); | ||
| onClose(); | ||
| } | ||
| }; | ||
|
|
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| const isValidLoginQR = (data) => { | ||
| return data.startsWith("casdoor-app://login/into?"); | ||
| }; | ||
|
|
||
| const parseLoginQR = (data) => { | ||
| const url = new URL(data); | ||
| const params = new URLSearchParams(url.search); | ||
|
|
||
| return { | ||
| serverUrl: params.get("serverUrl"), | ||
| clientId: params.get("clientId"), | ||
| appName: params.get("appName"), | ||
| organizationName: params.get("organizationName"), | ||
| }; | ||
| }; | ||
|
|
||
| if (!showScanner) { | ||
| return null; | ||
| } | ||
|
|
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| return <QRScanner onScan={handleScan} onClose={onClose} />; | ||
| }; | ||
|
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| ScanQRCodeForLogin.propTypes = { | ||
| onClose: PropTypes.func.isRequired, | ||
| onLogin: PropTypes.func.isRequired, | ||
| showScanner: PropTypes.bool.isRequired, | ||
| }; | ||
|
|
||
| export default ScanQRCodeForLogin; |
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