You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
390 lines
16 KiB
390 lines
16 KiB
package org.purplei2p.lightning.view; |
|
|
|
import android.annotation.TargetApi; |
|
import android.app.Activity; |
|
import android.app.Dialog; |
|
import android.content.ActivityNotFoundException; |
|
import android.content.DialogInterface; |
|
import android.content.Intent; |
|
import android.graphics.Bitmap; |
|
import android.net.MailTo; |
|
import android.net.Uri; |
|
import android.net.http.SslCertificate; |
|
import android.net.http.SslError; |
|
import android.os.Build; |
|
import android.os.Message; |
|
import android.support.annotation.NonNull; |
|
import android.support.annotation.Nullable; |
|
import android.support.v4.content.FileProvider; |
|
import android.support.v7.app.AlertDialog; |
|
import android.util.Log; |
|
import android.view.LayoutInflater; |
|
import android.view.View; |
|
import android.webkit.HttpAuthHandler; |
|
import android.webkit.MimeTypeMap; |
|
import android.webkit.SslErrorHandler; |
|
import android.webkit.URLUtil; |
|
import android.webkit.ValueCallback; |
|
import android.webkit.WebResourceRequest; |
|
import android.webkit.WebResourceResponse; |
|
import android.webkit.WebView; |
|
import android.webkit.WebViewClient; |
|
import android.widget.EditText; |
|
import android.widget.TextView; |
|
|
|
import java.io.ByteArrayInputStream; |
|
import java.io.File; |
|
import java.net.URISyntaxException; |
|
import java.util.ArrayList; |
|
import java.util.List; |
|
import java.util.Map; |
|
|
|
import javax.inject.Inject; |
|
|
|
import org.purplei2p.lightning.BuildConfig; |
|
import org.purplei2p.lightning.R; |
|
import org.purplei2p.lightning.BrowserApp; |
|
import org.purplei2p.lightning.constant.Constants; |
|
import org.purplei2p.lightning.controller.UIController; |
|
import org.purplei2p.lightning.dialog.BrowserDialog; |
|
import org.purplei2p.lightning.utils.IntentUtils; |
|
import org.purplei2p.lightning.utils.Preconditions; |
|
import org.purplei2p.lightning.utils.ProxyUtils; |
|
import org.purplei2p.lightning.utils.UrlUtils; |
|
import org.purplei2p.lightning.utils.Utils; |
|
|
|
public class LightningWebClient extends WebViewClient { |
|
|
|
private static final String TAG = "LightningWebClient"; |
|
|
|
@NonNull private final Activity mActivity; |
|
@NonNull private final LightningView mLightningView; |
|
@NonNull private final UIController mUIController; |
|
@NonNull private final IntentUtils mIntentUtils; |
|
|
|
@Inject ProxyUtils mProxyUtils; |
|
|
|
LightningWebClient(@NonNull Activity activity, @NonNull LightningView lightningView) { |
|
BrowserApp.getAppComponent().inject(this); |
|
Preconditions.checkNonNull(activity); |
|
Preconditions.checkNonNull(lightningView); |
|
mActivity = activity; |
|
mUIController = (UIController) activity; |
|
mLightningView = lightningView; |
|
mIntentUtils = new IntentUtils(activity); |
|
} |
|
|
|
@TargetApi(Build.VERSION_CODES.LOLLIPOP) |
|
@Override |
|
public WebResourceResponse shouldInterceptRequest(WebView view, @NonNull WebResourceRequest request) { |
|
return super.shouldInterceptRequest(view, request); |
|
} |
|
|
|
@Nullable |
|
@SuppressWarnings("deprecation") |
|
@TargetApi(Build.VERSION_CODES.KITKAT_WATCH) |
|
@Override |
|
public WebResourceResponse shouldInterceptRequest(WebView view, String url) { |
|
return null; |
|
} |
|
|
|
@TargetApi(Build.VERSION_CODES.KITKAT) |
|
@Override |
|
public void onPageFinished(@NonNull WebView view, String url) { |
|
if (view.isShown()) { |
|
mUIController.updateUrl(url, false); |
|
mUIController.setBackButtonEnabled(view.canGoBack()); |
|
mUIController.setForwardButtonEnabled(view.canGoForward()); |
|
view.postInvalidate(); |
|
} |
|
if (view.getTitle() == null || view.getTitle().isEmpty()) { |
|
mLightningView.getTitleInfo().setTitle(mActivity.getString(R.string.untitled)); |
|
} else { |
|
mLightningView.getTitleInfo().setTitle(view.getTitle()); |
|
} |
|
if (Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT && |
|
mLightningView.getInvertePage()) { |
|
view.evaluateJavascript(Constants.JAVASCRIPT_INVERT_PAGE, null); |
|
} |
|
mUIController.tabChanged(mLightningView); |
|
} |
|
|
|
@Override |
|
public void onPageStarted(WebView view, String url, Bitmap favicon) { |
|
mLightningView.getTitleInfo().setFavicon(null); |
|
if (mLightningView.isShown()) { |
|
mUIController.updateUrl(url, true); |
|
mUIController.showActionBar(); |
|
} |
|
mUIController.tabChanged(mLightningView); |
|
} |
|
|
|
@Override |
|
public void onReceivedHttpAuthRequest(final WebView view, @NonNull final HttpAuthHandler handler, |
|
final String host, final String realm) { |
|
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(mActivity); |
|
|
|
View dialogView = LayoutInflater.from(mActivity).inflate(R.layout.dialog_auth_request, null); |
|
|
|
final TextView realmLabel = dialogView.findViewById(R.id.auth_request_realm_textview); |
|
final EditText name = dialogView.findViewById(R.id.auth_request_username_edittext); |
|
final EditText password = dialogView.findViewById(R.id.auth_request_password_edittext); |
|
|
|
realmLabel.setText(mActivity.getString(R.string.label_realm, realm)); |
|
|
|
builder.setView(dialogView) |
|
.setTitle(R.string.title_sign_in) |
|
.setCancelable(true) |
|
.setPositiveButton(R.string.title_sign_in, |
|
new DialogInterface.OnClickListener() { |
|
@Override |
|
public void onClick(DialogInterface dialog, int id) { |
|
String user = name.getText().toString(); |
|
String pass = password.getText().toString(); |
|
handler.proceed(user.trim(), pass.trim()); |
|
Log.d(TAG, "Attempting HTTP Authentication"); |
|
} |
|
}) |
|
.setNegativeButton(R.string.action_cancel, |
|
new DialogInterface.OnClickListener() { |
|
@Override |
|
public void onClick(DialogInterface dialog, int id) { |
|
handler.cancel(); |
|
} |
|
}); |
|
AlertDialog dialog = builder.create(); |
|
dialog.show(); |
|
BrowserDialog.setDialogSize(mActivity, dialog); |
|
} |
|
|
|
private volatile boolean mIsRunning = false; |
|
private float mZoomScale = 0.0f; |
|
|
|
@TargetApi(Build.VERSION_CODES.KITKAT) |
|
@Override |
|
public void onScaleChanged(@NonNull final WebView view, final float oldScale, final float newScale) { |
|
if (view.isShown() && mLightningView.mPreferences.getTextReflowEnabled() && |
|
Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) { |
|
if (mIsRunning) |
|
return; |
|
float changeInPercent = Math.abs(100 - 100 / mZoomScale * newScale); |
|
if (changeInPercent > 2.5f && !mIsRunning) { |
|
mIsRunning = view.postDelayed(new Runnable() { |
|
@Override |
|
public void run() { |
|
mZoomScale = newScale; |
|
view.evaluateJavascript(Constants.JAVASCRIPT_TEXT_REFLOW, new ValueCallback<String>() { |
|
@Override |
|
public void onReceiveValue(String value) { |
|
mIsRunning = false; |
|
} |
|
}); |
|
} |
|
}, 100); |
|
} |
|
|
|
} |
|
} |
|
|
|
@NonNull |
|
private static List<Integer> getAllSslErrorMessageCodes(@NonNull SslError error) { |
|
List<Integer> errorCodeMessageCodes = new ArrayList<>(1); |
|
|
|
if (error.hasError(SslError.SSL_DATE_INVALID)) { |
|
errorCodeMessageCodes.add(R.string.message_certificate_date_invalid); |
|
} |
|
if (error.hasError(SslError.SSL_EXPIRED)) { |
|
errorCodeMessageCodes.add(R.string.message_certificate_expired); |
|
} |
|
if (error.hasError(SslError.SSL_IDMISMATCH)) { |
|
errorCodeMessageCodes.add(R.string.message_certificate_domain_mismatch); |
|
} |
|
if (error.hasError(SslError.SSL_NOTYETVALID)) { |
|
errorCodeMessageCodes.add(R.string.message_certificate_not_yet_valid); |
|
} |
|
if (error.hasError(SslError.SSL_UNTRUSTED)) { |
|
errorCodeMessageCodes.add(R.string.message_certificate_untrusted); |
|
} |
|
if (error.hasError(SslError.SSL_INVALID)) { |
|
errorCodeMessageCodes.add(R.string.message_certificate_invalid); |
|
} |
|
|
|
return errorCodeMessageCodes; |
|
} |
|
|
|
@Override |
|
public void onReceivedSslError(WebView view, @NonNull final SslErrorHandler handler, @NonNull SslError error) { |
|
if(error.getPrimaryError() == SslError.SSL_IDMISMATCH){ |
|
// Due to strange bug in android when trust anchors used, we must revalidate that hostname in request and in certificate is not matching. |
|
SslCertificate cert = error.getCertificate(); |
|
String TargetURL = error.getUrl(); |
|
String reqHost = Utils.getDomainName(TargetURL, true); |
|
String subjCN = cert.getIssuedTo().getCName(); |
|
if(reqHost.equals(subjCN)){ |
|
handler.proceed(); |
|
return; |
|
} |
|
} |
|
|
|
List<Integer> errorCodeMessageCodes = getAllSslErrorMessageCodes(error); |
|
|
|
StringBuilder stringBuilder = new StringBuilder(); |
|
for (Integer messageCode : errorCodeMessageCodes) { |
|
stringBuilder.append(" - ").append(mActivity.getString(messageCode)).append('\n'); |
|
} |
|
String alertMessage = |
|
mActivity.getString(R.string.message_insecure_connection, stringBuilder.toString()); |
|
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(mActivity); |
|
builder.setTitle(mActivity.getString(R.string.title_warning)); |
|
builder.setMessage(alertMessage) |
|
.setCancelable(true) |
|
.setPositiveButton(mActivity.getString(R.string.action_yes), |
|
new DialogInterface.OnClickListener() { |
|
@Override |
|
public void onClick(DialogInterface dialog, int id) { |
|
handler.proceed(); |
|
} |
|
}) |
|
.setNegativeButton(mActivity.getString(R.string.action_no), |
|
new DialogInterface.OnClickListener() { |
|
@Override |
|
public void onClick(DialogInterface dialog, int id) { |
|
handler.cancel(); |
|
} |
|
}); |
|
Dialog dialog = builder.show(); |
|
BrowserDialog.setDialogSize(mActivity, dialog); |
|
} |
|
|
|
@Override |
|
public void onFormResubmission(WebView view, @NonNull final Message dontResend, @NonNull final Message resend) { |
|
AlertDialog.Builder builder = new AlertDialog.Builder(mActivity); |
|
builder.setTitle(mActivity.getString(R.string.title_form_resubmission)); |
|
builder.setMessage(mActivity.getString(R.string.message_form_resubmission)) |
|
.setCancelable(true) |
|
.setPositiveButton(mActivity.getString(R.string.action_yes), |
|
new DialogInterface.OnClickListener() { |
|
@Override |
|
public void onClick(DialogInterface dialog, int id) { |
|
resend.sendToTarget(); |
|
} |
|
}) |
|
.setNegativeButton(mActivity.getString(R.string.action_no), |
|
new DialogInterface.OnClickListener() { |
|
@Override |
|
public void onClick(DialogInterface dialog, int id) { |
|
dontResend.sendToTarget(); |
|
} |
|
}); |
|
AlertDialog alert = builder.create(); |
|
alert.show(); |
|
BrowserDialog.setDialogSize(mActivity, alert); |
|
} |
|
|
|
@TargetApi(Build.VERSION_CODES.LOLLIPOP) |
|
@Override |
|
public boolean shouldOverrideUrlLoading(@NonNull WebView view, @NonNull WebResourceRequest request) { |
|
return shouldOverrideLoading(view, request.getUrl().toString()) || super.shouldOverrideUrlLoading(view, request); |
|
} |
|
|
|
@SuppressWarnings("deprecation") |
|
@Override |
|
public boolean shouldOverrideUrlLoading(@NonNull WebView view, @NonNull String url) { |
|
return shouldOverrideLoading(view, url) || super.shouldOverrideUrlLoading(view, url); |
|
} |
|
|
|
private boolean shouldOverrideLoading(@NonNull WebView view, @NonNull String url) { |
|
// Check if configured proxy is available |
|
if (!mProxyUtils.isProxyReady(mActivity)) { |
|
// User has been notified |
|
return true; |
|
} |
|
|
|
Map<String, String> headers = mLightningView.getRequestHeaders(); |
|
|
|
if (mLightningView.isIncognito()) { |
|
// If we are in incognito, immediately load, we don't want the url to leave the app |
|
return continueLoadingUrl(view, url, headers); |
|
} |
|
if (URLUtil.isAboutUrl(url)) { |
|
// If this is an about page, immediately load, we don't need to leave the app |
|
return continueLoadingUrl(view, url, headers); |
|
} |
|
|
|
if (isMailOrIntent(url, view) || mIntentUtils.startActivityForUrl(view, url)) { |
|
// If it was a mailto: link, or an intent, or could be launched elsewhere, do that |
|
return true; |
|
} |
|
|
|
// If none of the special conditions was met, continue with loading the url |
|
return continueLoadingUrl(view, url, headers); |
|
} |
|
|
|
private boolean continueLoadingUrl(@NonNull WebView webView, |
|
@NonNull String url, |
|
@NonNull Map<String, String> headers) { |
|
if (headers.isEmpty()) { |
|
return false; |
|
} else if (Utils.doesSupportHeaders()) { |
|
webView.loadUrl(url, headers); |
|
return true; |
|
} else { |
|
return false; |
|
} |
|
} |
|
|
|
private boolean isMailOrIntent(@NonNull String url, @NonNull WebView view) { |
|
if (url.startsWith("mailto:")) { |
|
MailTo mailTo = MailTo.parse(url); |
|
Intent i = Utils.newEmailIntent(mailTo.getTo(), mailTo.getSubject(), |
|
mailTo.getBody(), mailTo.getCc()); |
|
mActivity.startActivity(i); |
|
view.reload(); |
|
return true; |
|
} else if (url.startsWith("intent://")) { |
|
Intent intent; |
|
try { |
|
intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME); |
|
} catch (URISyntaxException ignored) { |
|
intent = null; |
|
} |
|
if (intent != null) { |
|
intent.addCategory(Intent.CATEGORY_BROWSABLE); |
|
intent.setComponent(null); |
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) { |
|
intent.setSelector(null); |
|
} |
|
try { |
|
mActivity.startActivity(intent); |
|
} catch (ActivityNotFoundException e) { |
|
Log.e(TAG, "ActivityNotFoundException"); |
|
} |
|
return true; |
|
} |
|
} else if (URLUtil.isFileUrl(url) && !UrlUtils.isSpecialUrl(url)) { |
|
File file = new File(url.replace(Constants.FILE, "")); |
|
|
|
if (file.exists()) { |
|
String newMimeType = MimeTypeMap.getSingleton() |
|
.getMimeTypeFromExtension(Utils.guessFileExtension(file.toString())); |
|
|
|
Intent intent = new Intent(Intent.ACTION_VIEW); |
|
intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
|
Uri contentUri = FileProvider.getUriForFile(mActivity, BuildConfig.APPLICATION_ID + ".fileprovider", file); |
|
intent.setDataAndType(contentUri, newMimeType); |
|
|
|
try { |
|
mActivity.startActivity(intent); |
|
} catch (Exception e) { |
|
System.out.println("LightningWebClient: cannot open downloaded file"); |
|
} |
|
} else { |
|
Utils.showSnackbar(mActivity, R.string.message_open_download_fail); |
|
} |
|
return true; |
|
} |
|
return false; |
|
} |
|
}
|
|
|