如何在 react-native 中获取在 webview 中设置的 cookie?
How can get cookie which is set in webview in react-native?
我正在尝试检索用户输入的邮政编码,该邮政编码已添加到网络视图的 cookie 中。我如何得到它?
我试过 react-native-cookies
得到一个空对象。
import CookieManager from 'react-native-cookies';
componentWillMount() {
CookieManager.get('https://www.example.com')
.then((res) => {
console.log('CookieManager.get from webkit-view =>', res);
});
}
}
<WebView
style={styles.webview}
source={{ uri: 'https://www.example.com' }}
injectedJavaScript={INJECTED_JAVASCRIPT}
mixedContentMode="compatibility"
javaScriptEnabled
domStorageEnabled
thirdPartyCookiesEnabled
sharedCookiesEnabled
originWhitelist={['*']}
useWebKit
/>
我正在 iOS 模拟器中试用。 Android 效果很好。
我看到 https://github.com/react-native-community/react-native-webview/pull/175 已合并,但无法弄清楚如何使用它来获取用户设置的 cookie。
您可以在不使用任何本机模块的情况下尝试以下技巧。只需阅读代码或 URL.
// @flow
import React, { Component } from 'react';
import {
WebView,
} from 'react-native';
class LoginScreen extends Component {
state = {
cookies : {},
webViewUrl : ''
}
onNavigationStateChange = (webViewState: { url: string }) => {
const { url } = webViewState;
// when WebView.onMessage called, there is not-http(s) url
if(url.includes('http')) {
this.setState({ webViewUrl: url })
}
}
_checkNeededCookies = () => {
const { cookies, webViewUrl } = this.state;
if (webViewUrl === 'SUCCESS_URL') {
if (cookies['cookie-name-for-jwt']) {
alert(cookies['cookie-name-for-jwt']);
// do your magic...
}
}
}
_onMessage = (event) => {
const { data } = event.nativeEvent;
const cookies = data.split(';'); // `csrftoken=...; rur=...; mid=...; somethingelse=...`
cookies.forEach((cookie) => {
const c = cookie.trim().split('=');
const new_cookies = this.state.cookies;
new_cookies[c[0]] = c[1];
this.setState({ cookies: new_cookies });
});
this._checkNeededCookies();
}
render() {
const jsCode = "window.postMessage(document.cookie)"
// let jsCode = "window.postMessage(document.cookie= 'login=; expires=Bla bla bla')"; // if you need to write some cookies, not sure if it goes to shared cookies, most probably no :)
return (
<WebView
source={{ uri: 'AUTH_URL' }}
onNavigationStateChange={this.onNavigationStateChange}
onMessage={this._onMessage}
injectedJavaScript={jsCode}
style={{ flex: 1 }}
/>
);
}
}
export default LoginScreen;
https://gist.github.com/kanzitelli/e5d198e96f81b7a8263745043766127c
希望这对你有用。
我正在尝试检索用户输入的邮政编码,该邮政编码已添加到网络视图的 cookie 中。我如何得到它?
我试过 react-native-cookies
得到一个空对象。
import CookieManager from 'react-native-cookies';
componentWillMount() {
CookieManager.get('https://www.example.com')
.then((res) => {
console.log('CookieManager.get from webkit-view =>', res);
});
}
}
<WebView
style={styles.webview}
source={{ uri: 'https://www.example.com' }}
injectedJavaScript={INJECTED_JAVASCRIPT}
mixedContentMode="compatibility"
javaScriptEnabled
domStorageEnabled
thirdPartyCookiesEnabled
sharedCookiesEnabled
originWhitelist={['*']}
useWebKit
/>
我正在 iOS 模拟器中试用。 Android 效果很好。 我看到 https://github.com/react-native-community/react-native-webview/pull/175 已合并,但无法弄清楚如何使用它来获取用户设置的 cookie。
您可以在不使用任何本机模块的情况下尝试以下技巧。只需阅读代码或 URL.
// @flow
import React, { Component } from 'react';
import {
WebView,
} from 'react-native';
class LoginScreen extends Component {
state = {
cookies : {},
webViewUrl : ''
}
onNavigationStateChange = (webViewState: { url: string }) => {
const { url } = webViewState;
// when WebView.onMessage called, there is not-http(s) url
if(url.includes('http')) {
this.setState({ webViewUrl: url })
}
}
_checkNeededCookies = () => {
const { cookies, webViewUrl } = this.state;
if (webViewUrl === 'SUCCESS_URL') {
if (cookies['cookie-name-for-jwt']) {
alert(cookies['cookie-name-for-jwt']);
// do your magic...
}
}
}
_onMessage = (event) => {
const { data } = event.nativeEvent;
const cookies = data.split(';'); // `csrftoken=...; rur=...; mid=...; somethingelse=...`
cookies.forEach((cookie) => {
const c = cookie.trim().split('=');
const new_cookies = this.state.cookies;
new_cookies[c[0]] = c[1];
this.setState({ cookies: new_cookies });
});
this._checkNeededCookies();
}
render() {
const jsCode = "window.postMessage(document.cookie)"
// let jsCode = "window.postMessage(document.cookie= 'login=; expires=Bla bla bla')"; // if you need to write some cookies, not sure if it goes to shared cookies, most probably no :)
return (
<WebView
source={{ uri: 'AUTH_URL' }}
onNavigationStateChange={this.onNavigationStateChange}
onMessage={this._onMessage}
injectedJavaScript={jsCode}
style={{ flex: 1 }}
/>
);
}
}
export default LoginScreen;
https://gist.github.com/kanzitelli/e5d198e96f81b7a8263745043766127c
希望这对你有用。