mirror of
https://github.com/status-im/react-native-webview.git
synced 2026-08-31 19:51:10 +00:00
161 lines
10 KiB
TypeScript
161 lines
10 KiB
TypeScript
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import React, {Component} from 'react';
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import {Text, View, ScrollView} from 'react-native';
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import WebView from 'react-native-webview';
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// const HTML = `
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// <!DOCTYPE html>
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// <html>
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// <head>
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// <meta charset="utf-8">
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// <meta name="viewport" content="width=device-width, initial-scale=1">
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// <title>iframe test</title>
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// </head>
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// <body>
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// <p style="">beforeContentLoaded on the top frame <span id="before_failed" style="display: inline-block;">failed</span><span id="before_succeeded" style="display: none;">succeeded</span>!</p>
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// <p style="">afterContentLoaded on the top frame <span id="after_failed" style="display: inline-block;">failed</span><span id="after_succeeded" style="display: none;">succeeded</span>!</p>
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// <iframe src="https://birchlabs.co.uk/linguabrowse/infopages/obsol/iframe.html?v=1" name="iframe_0" style="width: 100%; height: 25px;"></iframe>
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// <iframe src="https://birchlabs.co.uk/linguabrowse/infopages/obsol/iframe2.html?v=1" name="iframe_1" style="width: 100%; height: 25px;"></iframe>
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// <iframe src="https://www.ebay.co.uk" name="iframe_2" style="width: 100%; height: 25px;"></iframe>
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// </body>
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// </html>
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// `;
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type Props = {};
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type State = {
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backgroundColor: string,
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};
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export default class Injection extends Component<Props, State> {
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state = {
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backgroundColor: '#FF00FF00'
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};
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render() {
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return (
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<ScrollView>
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<View style={{ }}>
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<View style={{ height: 300 }}>
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<WebView
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/**
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* This HTML is a copy of a multi-frame JS injection test that I had lying around.
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* @see https://birchlabs.co.uk/linguabrowse/infopages/obsol/iframeTest.html
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*/
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// source={{ html: HTML }}
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source={{ uri: "https://birchlabs.co.uk/linguabrowse/infopages/obsol/rnw_iframe_test.html" }}
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automaticallyAdjustContentInsets={false}
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style={{backgroundColor:'#00000000'}}
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/* Must be populated in order for `messagingEnabled` to be `true` to activate the
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* JS injection user scripts, consistent with current behaviour. This is undesirable,
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* so needs addressing in a follow-up PR. */
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onMessage={() => {}}
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/* We set this property in each frame */
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injectedJavaScriptBeforeContentLoaded={`
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console.log("executing injectedJavaScriptBeforeContentLoaded...");
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if(typeof window.top.injectedIframesBeforeContentLoaded === "undefined"){
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window.top.injectedIframesBeforeContentLoaded = [];
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}
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window.self.colourToUse = "orange";
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if(window.self === window.top){
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console.log("Was window.top. window.frames.length is:", window.frames.length);
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window.self.numberOfFramesAtBeforeContentLoaded = window.frames.length;
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function declareSuccessOfBeforeContentLoaded(head){
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var style = window.self.document.createElement('style');
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style.type = 'text/css';
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style.innerHTML = "#before_failed { display: none !important; }#before_succeeded { display: inline-block !important; }";
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head.appendChild(style);
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}
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const head = (window.self.document.head || window.self.document.getElementsByTagName('head')[0]);
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if(head){
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declareSuccessOfBeforeContentLoaded(head);
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} else {
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window.self.document.addEventListener("DOMContentLoaded", function (event) {
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const head = (window.self.document.head || window.self.document.getElementsByTagName('head')[0]);
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declareSuccessOfBeforeContentLoaded(head);
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});
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}
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} else {
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window.top.injectedIframesBeforeContentLoaded.push(window.self.name);
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console.log("wasn't window.top.");
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console.log("wasn't window.top. Still going...");
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}
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`}
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injectedJavaScriptForMainFrameOnly={false}
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/* We read the colourToUse property in each frame to recolour each frame */
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injectedJavaScript={`
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console.log("executing injectedJavaScript...");
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if(typeof window.top.injectedIframesAfterContentLoaded === "undefined"){
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window.top.injectedIframesAfterContentLoaded = [];
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}
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if(window.self.colourToUse){
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window.self.document.body.style.backgroundColor = window.self.colourToUse;
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} else {
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window.self.document.body.style.backgroundColor = "cyan";
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}
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if(window.self === window.top){
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function declareSuccessOfAfterContentLoaded(head){
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var style = window.self.document.createElement('style');
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style.type = 'text/css';
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style.innerHTML = "#after_failed { display: none !important; }#after_succeeded { display: inline-block !important; }";
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head.appendChild(style);
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}
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declareSuccessOfAfterContentLoaded(window.self.document.head || window.self.document.getElementsByTagName('head')[0]);
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// var numberOfFramesAtBeforeContentLoadedEle = document.createElement('p');
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// numberOfFramesAtBeforeContentLoadedEle.textContent = "Number of iframes upon the main frame's beforeContentLoaded: " +
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// window.self.numberOfFramesAtBeforeContentLoaded;
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// var numberOfFramesAtAfterContentLoadedEle = document.createElement('p');
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// numberOfFramesAtAfterContentLoadedEle.textContent = "Number of iframes upon the main frame's afterContentLoaded: " + window.frames.length;
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// numberOfFramesAtAfterContentLoadedEle.id = "numberOfFramesAtAfterContentLoadedEle";
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var namedFramesAtBeforeContentLoadedEle = document.createElement('p');
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namedFramesAtBeforeContentLoadedEle.textContent = "Names of iframes that called beforeContentLoaded: " + JSON.stringify(window.top.injectedIframesBeforeContentLoaded);
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namedFramesAtBeforeContentLoadedEle.id = "namedFramesAtBeforeContentLoadedEle";
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var namedFramesAtAfterContentLoadedEle = document.createElement('p');
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namedFramesAtAfterContentLoadedEle.textContent = "Names of iframes that called afterContentLoaded: " + JSON.stringify(window.top.injectedIframesAfterContentLoaded);
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namedFramesAtAfterContentLoadedEle.id = "namedFramesAtAfterContentLoadedEle";
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// document.body.appendChild(numberOfFramesAtBeforeContentLoadedEle);
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// document.body.appendChild(numberOfFramesAtAfterContentLoadedEle);
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document.body.appendChild(namedFramesAtBeforeContentLoadedEle);
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document.body.appendChild(namedFramesAtAfterContentLoadedEle);
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} else {
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window.top.injectedIframesAfterContentLoaded.push(window.self.name);
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window.top.document.getElementById('namedFramesAtAfterContentLoadedEle').textContent = "Names of iframes that called afterContentLoaded: " + JSON.stringify(window.top.injectedIframesAfterContentLoaded);
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}
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`}
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/>
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</View>
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</View>
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<Text>This test presents three iframes: iframe_0 (yellow); iframe_1 (pink); and iframe_2 (transparent, because its 'X-Frame-Options' is set to 'SAMEORIGIN').</Text>
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<Text>Before injection, the main frame's background is the browser's default value (transparent or white) and each frame has its natural colour.</Text>
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{/*<Text>1a) At injection time "beforeContentLoaded", a variable will be set in each frame to set 'orange' as the "colour to be used".</Text>*/}
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{/*<Text>1b) Also upon "beforeContentLoaded", a style element to change the text "beforeContentLoaded failed" -> "beforeContentLoaded succeeded" will be applied as soon as the head has loaded.</Text>*/}
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{/*<Text>2a) At injection time "afterContentLoaded", that variable will be read – if present, the colour orange will be injected into all frames. Otherwise, cyan.</Text>*/}
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{/*<Text>2b) Also upon "afterContentLoaded", a style element to change the text "afterContentLoaded failed" -> "afterContentLoaded succeeded" will be applied as soon as the head has loaded.</Text>*/}
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<Text>✅ If the main frame becomes orange, then top-frame injection both beforeContentLoaded and afterContentLoaded is supported.</Text>
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<Text>✅ If iframe_0, and iframe_1 become orange, then multi-frame injection beforeContentLoaded and afterContentLoaded is supported.</Text>
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<Text>✅ If the two texts say "beforeContentLoaded on the top frame succeeded!" and "afterContentLoaded on the top frame succeeded!", then both injection times are supported at least on the main frame.</Text>
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<Text>⚠️ If either of the two iframes become coloured cyan, then for that given frame, JS injection succeeded after the content loaded, but didn't occur before the content loaded - please note that for iframes, this may not be a test failure, as it is not clear whether we would expect iframes to support an injection time of beforeContentLoaded anyway.</Text>
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<Text>⚠️ If "Names of iframes that called beforeContentLoaded: " is [], then see above.</Text>
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<Text>❌ If "Names of iframes that called afterContentLoaded: " is [], then afterContentLoaded is not supported in iframes.</Text>
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<Text>❌ If the main frame becomes coloured cyan, then JS injection succeeded after the content loaded, but didn't occur before the content loaded.</Text>
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<Text>❌ If the text "beforeContentLoaded on the top frame failed" remains unchanged, then JS injection has failed on the main frame before the content loaded.</Text>
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<Text>❌ If the text "afterContentLoaded on the top frame failed" remains unchanged, then JS injection has failed on the main frame after the content loaded.</Text>
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<Text>❌ If the iframes remain their original colours (yellow and pink), then multi-frame injection is not supported at all.</Text>
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</ScrollView>
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);
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}
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}
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