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Update MainActivity.java
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@htht2001
htht2001 authored Sep 13, 2024
1 parent b0900cd commit 51d25ff
Showing 1 changed file with 82 additions and 36 deletions.
118 changes: 82 additions & 36 deletions app/src/main/java/com/webview/myapplication/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,6 @@ public class MainActivity extends Activity {
private View mCustomView;
private CustomViewCallback mCustomViewCallback;
private ProgressBar mProgressBar;
private static final String USER_AGENT = "Custom User Agent";

private void requestStoragePermission() {
if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.READ_EXTERNAL_STORAGE)) {
Expand Down Expand Up @@ -181,11 +180,11 @@ protected void onCreate(Bundle savedInstanceState) {
webSettings.setDefaultTextEncodingName("utf-8");
webSettings.setPluginState(PluginState.ON);
webSettings.setAllowFileAccess(false);
webSettings.setUserAgentString(USER_AGENT);
if (BLOCK_MEDIA) {
webSettings.setLoadsImagesAutomatically(false);
}


mWebView.setWebChromeClient(new WebChromeClient() {
@Override
public void onShowCustomView(View view, CustomViewCallback callback) {
Expand Down Expand Up @@ -255,61 +254,108 @@ public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType) {
mWebView.setDownloadListener((url, userAgent, contentDisposition, mimeType, contentLength) -> {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q && ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
requestStoragePermission();
} else {
DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
request.setMimeType(mimeType);
request.addRequestHeader("User-Agent", userAgent);
request.setDescription("Downloading file");
request.setTitle(URLUtil.guessFileName(url, contentDisposition, mimeType));
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, URLUtil.guessFileName(url, contentDisposition, mimeType));
DownloadManager dm = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
dm.enqueue(request);
Toast.makeText(MainActivity.this, "Downloading File", Toast.LENGTH_LONG).show();
}
Uri source = Uri.parse(url);
DownloadManager.Request request = new DownloadManager.Request(source);
String cookies = CookieManager.getInstance().getCookie(url);
request.addRequestHeader("cookie", cookies);
request.addRequestHeader("User-Agent", userAgent);
request.setDescription("Downloading File...");
request.setTitle(URLUtil.guessFileName(url, contentDisposition, mimeType));
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, URLUtil.guessFileName(url, contentDisposition, mimeType));
DownloadManager dm = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
dm.enqueue(request);
Toast.makeText(getApplicationContext(), "Downloading File...", Toast.LENGTH_LONG).show();
});

mWebView.loadUrl(STARTUP_URL);
mWebView.loadUrl(STARTUP_URL.isEmpty() ? "https://" + ALLOWED_DOMAINS[0] : STARTUP_URL);
}

private class HelloWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(final WebView view, final String url) {
String host = Uri.parse(url).getHost();
boolean isAllowed = false;

@Override
public void onBackPressed() {
if (mWebView.canGoBack()) {
mWebView.goBack();
} else {
super.onBackPressed();
if (url.startsWith("tel:")) {
Intent tel = new Intent(Intent.ACTION_DIAL, Uri.parse(url));
startActivity(tel);
return true;
}

if (url.contains("mailto:")){
view.getContext().startActivity(
new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
}

if (host == null) {
isAllowed = true; // mailto: links
}
if (!STARTUP_URL.isEmpty() && url.equals(STARTUP_URL)) {
isAllowed = true;
}
for (String domain : ALLOWED_DOMAINS) {
if (host == null || host.equals(domain) || host.equals("www." + domain) || host.equals("m." + domain)) {
isAllowed = true;
break;
}
}

if (isAllowed) {
mProgressBar.setVisibility(View.VISIBLE);
view.loadUrl(url);
return true;
} else {
Toast.makeText(view.getContext(), "This URL is not allowed (" + host + ")", Toast.LENGTH_SHORT).show();
return true;
}
}
}

private class HelloWebViewClient extends WebViewClient {
@Override
public void onPageStarted(WebView view, String url, android.graphics.Bitmap favicon) {
super.onPageStarted(view, url, favicon);
mProgressBar.setVisibility(View.VISIBLE);
public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
if (BLOCK_ADS && AdBlockerUtil.getInstance().isAd(url)) {
WebResourceResponse emptyResponse = new WebResourceResponse("text/plain", "utf-8", new ByteArrayInputStream("".getBytes()));
return emptyResponse;
} else {
return super.shouldInterceptRequest(view, url);
}
}

@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
mProgressBar.setVisibility(View.GONE);
}

@Override
public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
if (BLOCK_ADS && AdBlockerUtil.getInstance().isAd(url)) {
return new WebResourceResponse("text/plain", "utf-8", new ByteArrayInputStream("Blocked".getBytes()));
if (BLOCK_MEDIA) {
view.loadUrl("javascript: (() => { function handle(node) { if (node.tagName === 'IMG' && node.style.visibility !== 'hidden' && node.width > 32 && node.height > 32) { const blankImageUrl = 'data:image/gif;base64,R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=='; const { width, height } = window.getComputedStyle(node); node.src = blankImageUrl; node.style.visibility = 'hidden'; node.style.background = 'none'; node.style.backgroundImage = `url(${blankImageUrl})`; node.style.width = width; node.style.height = height; } else if (node.tagName === 'VIDEO' || node.tagName === 'IFRAME' || ((!node.type || node.type.includes('video')) && node.tagName === 'SOURCE') || node.tagName === 'OBJECT') { node.remove(); } } document.querySelectorAll('img,video,source,object,embed,iframe,[type^=video]').forEach(handle); const observer = new MutationObserver((mutations) => mutations.forEach((mutation) => mutation.addedNodes.forEach(handle))); observer.observe(document.body, { childList: true, subtree: true }); })();");
}
return super.shouldInterceptRequest(view, url);
}

@Override
public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
if (NO_SSL) {
String issuerName = error.getCertificate().getIssuedBy().getOName();
if (NO_SSL && (Objects.equals(issuerName, "NetFree") || Objects.equals(issuerName, "Netspark"))) {
handler.proceed();
} else {
super.onReceivedSslError(view, handler, error);
handler.cancel();
view.loadData("<html><body><h1 style='color: grey'>SSL Error</h1></body></html>", "text/html; charset=utf-8", "UTF-8");
if (Objects.equals(issuerName, "NetFree")) {
Toast.makeText(view.getContext(), "טיפ: נראה שלא מותקנת תעודת אבטחה של נטפרי", Toast.LENGTH_LONG).show();
} else if (Objects.equals(issuerName, "Netspark")) {
Toast.makeText(view.getContext(), "טיפ: נראה שלא מותקנת תעודת אבטחה של אתרוג/רימון", Toast.LENGTH_LONG).show();
}
}
}
}

@Override
public void onBackPressed() {
if (mCustomView != null) {
mWebView.getWebChromeClient().onHideCustomView();
} else if (mWebView.canGoBack()) {
mWebView.goBack();
} else {
super.onBackPressed();
}
}
}

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