455 lines
19 KiB
Dart
Executable File
455 lines
19 KiB
Dart
Executable File
import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
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import 'package:flutter_downloader/flutter_downloader.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:flutter/services.dart' show rootBundle;
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class InlineExampleScreen extends StatefulWidget {
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@override
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_InlineExampleScreenState createState() => new _InlineExampleScreenState();
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}
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class Foo {
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String bar;
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String baz;
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Foo({this.bar, this.baz});
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Map<String, dynamic> toJson() {
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return {
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'bar': this.bar,
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'baz': this.baz
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};
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}
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}
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class _InlineExampleScreenState extends State<InlineExampleScreen> {
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InAppWebViewController webView;
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String url = "";
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double progress = 0;
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TextEditingController _textFieldController = TextEditingController();
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@override
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void initState() {
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super.initState();
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}
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@override
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void dispose() {
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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// HttpAuthCredentialDatabase.instance().clearAllAuthCredentials();
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//
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// HttpAuthCredentialDatabase.instance().getHttpAuthCredentials(ProtectionSpace(host: "192.168.1.20", protocol: "http", realm: "Node", port: 8081)).then((credentials) {
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// for (var credential in credentials )
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// print("\n\nCREDENTIAL: ${credential.username} ${credential.password}\n\n");
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// });
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// HttpAuthCredentialDatabase.instance().getAllAuthCredentials().then((result) {
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// for (var r in result) {
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// ProtectionSpace protectionSpace = r["protectionSpace"];
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// print("\n\nProtectionSpace: ${protectionSpace.protocol} ${protectionSpace.host}:");
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// List<HttpAuthCredential> credentials = r["credentials"];
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// for (var credential in credentials)
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// print("\tCREDENTIAL: ${credential.username} ${credential.password}");
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// }
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// });
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// HttpAuthCredentialDatabase.instance().setHttpAuthCredential(ProtectionSpace(host: "192.168.1.20", protocol: "http", realm: "Node", port: 8081), HttpAuthCredential(username: "user 1", password: "password 1"));
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// HttpAuthCredentialDatabase.instance().setHttpAuthCredential(ProtectionSpace(host: "192.168.1.20", protocol: "http", realm: "Node", port: 8081), HttpAuthCredential(username: "user 2", password: "password 2"));
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return Container(
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child: Column(children: <Widget>[
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Container(
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padding: EdgeInsets.all(20.0),
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child: Text(
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"CURRENT URL\n${(url.length > 50) ? url.substring(0, 50) + "..." : url}"),
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),
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Container(
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padding: EdgeInsets.all(10.0),
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child: progress < 1.0 ? LinearProgressIndicator(value: progress) : Container()
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),
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Expanded(
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child: Container(
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margin: const EdgeInsets.all(10.0),
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decoration:
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BoxDecoration(border: Border.all(color: Colors.blueAccent)),
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child: InAppWebView(
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//initialUrl: "https://www.youtube.com/embed/M7lc1UVf-VE?playsinline=1",
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//initialUrl: "https://github.com",
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//initialUrl: "chrome://safe-browsing/match?type=malware",
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//initialUrl: "http://192.168.1.20:8081/",
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//initialUrl: "https://192.168.1.20:4433/",
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initialFile: "assets/index.html",
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initialHeaders: {},
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initialOptions: InAppWebViewWidgetOptions(
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inAppWebViewOptions: InAppWebViewOptions(
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debuggingEnabled: true,
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//clearCache: true,
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useShouldOverrideUrlLoading: true,
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useOnTargetBlank: true,
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useOnLoadResource: true,
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useOnDownloadStart: true,
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useShouldInterceptAjaxRequest: true,
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useShouldInterceptFetchRequest: true,
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//preferredContentMode: InAppWebViewUserPreferredContentMode.DESKTOP,
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resourceCustomSchemes: ["my-special-custom-scheme"],
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contentBlockers: [
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ContentBlocker(
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trigger: ContentBlockerTrigger(
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urlFilter: ".*",
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resourceType: [ContentBlockerTriggerResourceType.IMAGE, ContentBlockerTriggerResourceType.STYLE_SHEET],
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ifTopUrl: ["https://getbootstrap.com/"]),
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action: ContentBlockerAction(type: ContentBlockerActionType.BLOCK)
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)
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]
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),
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androidInAppWebViewOptions: AndroidInAppWebViewOptions(
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databaseEnabled: true,
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domStorageEnabled: true,
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geolocationEnabled: true,
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//safeBrowsingEnabled: true,
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//blockNetworkImage: true,
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),
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),
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onWebViewCreated: (InAppWebViewController controller) {
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webView = controller;
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if (Platform.isAndroid)
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webView.startSafeBrowsing();
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webView.addJavaScriptHandler(handlerName:'handlerFoo', callback: (args) {
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return new Foo(bar: 'bar_value', baz: 'baz_value');
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});
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webView.addJavaScriptHandler(handlerName: 'handlerFooWithArgs', callback: (args) {
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print(args);
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return [args[0] + 5, !args[1], args[2][0], args[3]['foo']];
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});
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},
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onLoadStart: (InAppWebViewController controller, String url) {
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print("started $url");
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setState(() {
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this.url = url;
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});
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},
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onLoadStop: (InAppWebViewController controller, String url) async {
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print("stopped $url");
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if (Platform.isAndroid) {
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controller.clearSslPreferences();
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controller.clearClientCertPreferences();
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}
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//controller.findAllAsync("flutter");
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print(await controller.getFavicons());
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},
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onLoadError: (InAppWebViewController controller, String url, int code, String message) async {
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print("error $url: $code, $message");
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var tRexHtml = await controller.getTRexRunnerHtml();
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var tRexCss = await controller.getTRexRunnerCss();
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controller.loadData(data: """
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0,maximum-scale=1.0, user-scalable=no">
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<style>$tRexCss</style>
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</head>
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<body>
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$tRexHtml
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<p>
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URL $url failed to load.
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</p>
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<p>
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Error: $code, $message
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</p>
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</body>
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</html>
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""");
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},
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onProgressChanged:
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(InAppWebViewController controller, int progress) {
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setState(() {
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this.progress = progress / 100;
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});
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},
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shouldOverrideUrlLoading: (InAppWebViewController controller, String url) {
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print("override $url");
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controller.loadUrl(url: url);
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},
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onLoadResource: (InAppWebViewController controller, LoadedResource response) {
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print("Resource type: '"+response.initiatorType + "' started at: " +
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response.startTime.toString() +
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"ms ---> duration: " +
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response.duration.toString() +
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"ms " +
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response.url);
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},
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onConsoleMessage: (InAppWebViewController controller, ConsoleMessage consoleMessage) {
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print("""
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console output:
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sourceURL: ${consoleMessage.sourceURL}
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lineNumber: ${consoleMessage.lineNumber}
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message: ${consoleMessage.message}
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messageLevel: ${consoleMessage.messageLevel.toValue()}
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""");
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},
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onDownloadStart: (InAppWebViewController controller, String url) async {
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// final taskId = await FlutterDownloader.enqueue(
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// url: url,
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// savedDir: await _findLocalPath(),
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// showNotification: true, // show download progress in status bar (for Android)
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// openFileFromNotification: true, // click on notification to open downloaded file (for Android)
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// );
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},
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onLoadResourceCustomScheme: (InAppWebViewController controller, String scheme, String url) async {
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if (scheme == "my-special-custom-scheme") {
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var bytes = await rootBundle.load("assets/" + url.replaceFirst("my-special-custom-scheme://", "", 0));
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var response = new CustomSchemeResponse(data: bytes.buffer.asUint8List(), contentType: "image/svg+xml", contentEnconding: "utf-8");
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return response;
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}
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return null;
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},
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onTargetBlank: (InAppWebViewController controller, String url) {
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print("target _blank: " + url);
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controller.loadUrl(url: url);
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},
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onGeolocationPermissionsShowPrompt: (InAppWebViewController controller, String origin) async {
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GeolocationPermissionShowPromptResponse response;
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await showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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title: Text("Permission Geolocation API"),
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content: Text("Can we use Geolocation API?"),
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actions: <Widget>[
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FlatButton(
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child: Text("Close"),
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onPressed: () {
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response = new GeolocationPermissionShowPromptResponse(origin: origin, allow: false, retain: false);
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Navigator.of(context).pop();
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},
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),
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FlatButton(
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child: Text("Accept"),
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onPressed: () {
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response = new GeolocationPermissionShowPromptResponse(origin: origin, allow: true, retain: true);
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Navigator.of(context).pop();
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},
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),
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],
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);
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},
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);
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return response;
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},
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onJsAlert: (InAppWebViewController controller, String message) async {
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JsAlertResponseAction action = await createAlertDialog(context, message);
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return new JsAlertResponse(handledByClient: true, action: action);
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},
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onJsConfirm: (InAppWebViewController controller, String message) async {
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JsConfirmResponseAction action = await createConfirmDialog(context, message);
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return new JsConfirmResponse(handledByClient: true, action: action);
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},
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onJsPrompt: (InAppWebViewController controller, String message, String defaultValue) async {
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_textFieldController.text = defaultValue;
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JsPromptResponseAction action = await createPromptDialog(context, message);
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return new JsPromptResponse(handledByClient: true, action: action, value: _textFieldController.text);
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},
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onSafeBrowsingHit: (InAppWebViewController controller, String url, SafeBrowsingThreat threatType) async {
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SafeBrowsingResponseAction action = SafeBrowsingResponseAction.BACK_TO_SAFETY;
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return new SafeBrowsingResponse(report: true, action: action);
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},
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onReceivedHttpAuthRequest: (InAppWebViewController controller, HttpAuthChallenge challenge) async {
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print("HTTP AUTH REQUEST: ${challenge.protectionSpace.host}, realm: ${challenge.protectionSpace.realm}, previous failure count: ${challenge.previousFailureCount.toString()}");
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return new HttpAuthResponse(username: "USERNAME", password: "PASSWORD", action: HttpAuthResponseAction.USE_SAVED_HTTP_AUTH_CREDENTIALS, permanentPersistence: true);
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},
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onReceivedServerTrustAuthRequest: (InAppWebViewController controller, ServerTrustChallenge challenge) async {
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print("SERVER TRUST AUTH REQUEST: ${challenge.protectionSpace.host}, SSL ERROR CODE: ${challenge.error.toString()}, MESSAGE: ${challenge.message}");
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return new ServerTrustAuthResponse(action: ServerTrustAuthResponseAction.PROCEED);
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},
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onReceivedClientCertRequest: (InAppWebViewController controller, ClientCertChallenge challenge) async {
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print("CLIENT CERT REQUEST: ${challenge.protectionSpace.host}");
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return new ClientCertResponse(certificatePath: "assets/certificate.pfx", certificatePassword: "", androidKeyStoreType: "PKCS12", action: ClientCertResponseAction.PROCEED);
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},
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onFindResultReceived: (InAppWebViewController controller, int activeMatchOrdinal, int numberOfMatches, bool isDoneCounting) async {
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print("Current highlighted: $activeMatchOrdinal, Number of matches found: $numberOfMatches, find operation completed: $isDoneCounting");
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},
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shouldInterceptAjaxRequest: (InAppWebViewController controller, AjaxRequest ajaxRequest) async {
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print("AJAX REQUEST: ${ajaxRequest.method} - ${ajaxRequest.url}, DATA: ${ajaxRequest.data}");
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if (ajaxRequest.url == "http://192.168.1.20:8082/test-ajax-post") {
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ajaxRequest.responseType = 'json';
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}
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// ajaxRequest.method = "GET";
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// ajaxRequest.url = "http://192.168.1.20:8082/test-download-file";
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// ajaxRequest.headers = {
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// "Custom-Header": "Custom-Value"
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// };
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// return ajaxRequest;
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return ajaxRequest;
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},
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onAjaxReadyStateChange: (InAppWebViewController controller, AjaxRequest ajaxRequest) async {
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print("AJAX READY STATE CHANGE: ${ajaxRequest.method} - ${ajaxRequest.url}, ${ajaxRequest.status}, ${ajaxRequest.readyState}, ${ajaxRequest.responseType}, ${ajaxRequest.responseText}, ${ajaxRequest.response}, ${ajaxRequest.responseHeaders}");
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return AjaxRequestAction.PROCEED;
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},
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onAjaxProgress: (InAppWebViewController controller, AjaxRequest ajaxRequest) async {
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print("AJAX EVENT: ${ajaxRequest.method} - ${ajaxRequest.url}, ${ajaxRequest.event.type}, LOADED: ${ajaxRequest.event.loaded}, ${ajaxRequest.responseHeaders}");
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return AjaxRequestAction.PROCEED;
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},
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shouldInterceptFetchRequest: (InAppWebViewController controller, FetchRequest fetchRequest) async {
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print("FETCH REQUEST: ${fetchRequest.method} - ${fetchRequest.url}, headers: ${fetchRequest.headers}");
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fetchRequest.action = FetchRequestAction.ABORT;
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print(fetchRequest.body);
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return fetchRequest;
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},
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onNavigationStateChange: (InAppWebViewController controller, String url) async {
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print("NAVIGATION STATE CHANGE: $url");
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setState(() {
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this.url = url;
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});
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},
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),
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),
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),
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ButtonBar(
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alignment: MainAxisAlignment.center,
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children: <Widget>[
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RaisedButton(
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child: Icon(Icons.arrow_back),
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onPressed: () {
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if (webView != null) {
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webView.goBack();
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}
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},
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),
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RaisedButton(
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child: Icon(Icons.arrow_forward),
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onPressed: () {
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if (webView != null) {
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webView.goForward();
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}
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},
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),
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RaisedButton(
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child: Icon(Icons.refresh),
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onPressed: () {
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if (webView != null) {
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webView.reload();
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}
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},
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),
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],
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),
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]));
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}
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Future<JsAlertResponseAction> createAlertDialog(BuildContext context, String message) async {
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JsAlertResponseAction action;
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await showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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content: Text(message),
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actions: <Widget>[
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FlatButton(
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child: Text("Ok"),
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onPressed: () {
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action = JsAlertResponseAction.CONFIRM;
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Navigator.of(context).pop();
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},
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),
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],
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);
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},
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);
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return action;
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}
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Future<JsConfirmResponseAction> createConfirmDialog(BuildContext context, String message) async {
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JsConfirmResponseAction action;
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await showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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content: Text(message),
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actions: <Widget>[
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FlatButton(
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child: Text("Cancel"),
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onPressed: () {
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action = JsConfirmResponseAction.CANCEL;
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Navigator.of(context).pop();
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},
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),
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FlatButton(
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child: Text("Ok"),
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onPressed: () {
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action = JsConfirmResponseAction.CONFIRM;
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Navigator.of(context).pop();
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},
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),
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],
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);
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},
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);
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return action;
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}
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Future<JsPromptResponseAction> createPromptDialog(BuildContext context, String message) async {
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JsPromptResponseAction action;
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await showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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title: Text(message),
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content: TextField(
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controller: _textFieldController,
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),
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actions: <Widget>[
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FlatButton(
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child: Text("Cancel"),
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onPressed: () {
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action = JsPromptResponseAction.CANCEL;
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Navigator.of(context).pop();
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},
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),
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FlatButton(
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child: Text("Ok"),
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onPressed: () {
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action = JsPromptResponseAction.CONFIRM;
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Navigator.of(context).pop();
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},
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),
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],
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);
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},
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);
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return action;
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}
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Future<String> _findLocalPath() async {
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final directory = Platform.isAndroid
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? await getExternalStorageDirectory()
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: await getApplicationDocumentsDirectory();
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return directory.path;
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}
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}
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