mirror of
https://github.com/etesync/android
synced 2025-05-31 05:08:48 +00:00
10095bd4ee
There was an issue that for the first load it would only check the url after a redirect (if there is one), which meant that for example, the dashboard, would open in app because you'd be redirected to the login page.
217 lines
7.4 KiB
Java
217 lines
7.4 KiB
Java
package com.etesync.syncadapter.ui;
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import android.annotation.SuppressLint;
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import android.annotation.TargetApi;
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import android.content.Context;
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import android.content.Intent;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.support.v7.app.ActionBar;
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import android.support.v7.app.AppCompatActivity;
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import android.support.v7.widget.Toolbar;
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import android.view.KeyEvent;
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import android.view.MenuItem;
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import android.view.View;
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import android.webkit.WebChromeClient;
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import android.webkit.WebResourceError;
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import android.webkit.WebResourceRequest;
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import android.webkit.WebView;
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import android.webkit.WebViewClient;
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import android.widget.ProgressBar;
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import com.etesync.syncadapter.Constants;
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import com.etesync.syncadapter.R;
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public class WebViewActivity extends AppCompatActivity {
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private static final String KEY_URL = "url";
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private static final String QUERY_KEY_EMBEDDED = "embedded";
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private WebView mWebView;
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private ProgressBar mProgressBar;
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private ActionBar mToolbar;
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public static void openUrl(Context context, Uri uri) {
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if (isAllowedUrl(uri)) {
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Intent intent = new Intent(context, WebViewActivity.class);
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intent.putExtra(WebViewActivity.KEY_URL, uri);
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context.startActivity(intent);
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} else {
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context.startActivity(new Intent(Intent.ACTION_VIEW, uri));
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}
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}
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@Override
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@SuppressLint("SetJavaScriptEnabled")
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_webview);
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mToolbar = getSupportActionBar();
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mToolbar.setDisplayHomeAsUpEnabled(true);
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Uri uri = getIntent().getParcelableExtra(KEY_URL);
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uri = addQueryParams(uri);
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mWebView = (WebView) findViewById(R.id.webView);
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mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
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mWebView.getSettings().setJavaScriptEnabled(true);
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mWebView.loadUrl(uri.toString());
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mWebView.setWebViewClient(new WebViewClient() {
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@Override
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public void onPageFinished(WebView view, String url) {
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setTitle(view.getTitle());
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}
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@SuppressWarnings("deprecation")
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@Override
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public boolean shouldOverrideUrlLoading(WebView view, String url) {
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return shouldOverrideUrl(Uri.parse(url));
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}
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@TargetApi(Build.VERSION_CODES.LOLLIPOP)
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@Override
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public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
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return shouldOverrideUrl(request.getUrl());
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}
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@SuppressWarnings("deprecation")
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@Override
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public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
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loadErrorPage(failingUrl);
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}
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@TargetApi(Build.VERSION_CODES.LOLLIPOP)
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@Override
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public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
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loadErrorPage(request.getUrl().toString());
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}
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});
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mWebView.setWebChromeClient(new WebChromeClient() {
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public void onProgressChanged(WebView view, int progress) {
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if (progress == 100) {
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mToolbar.setTitle(view.getTitle());
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mProgressBar.setVisibility(View.INVISIBLE);
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} else {
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mToolbar.setTitle(R.string.loading);
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mProgressBar.setVisibility(View.VISIBLE);
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mProgressBar.setProgress(progress);
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}
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}
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});
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}
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private Uri addQueryParams(Uri uri) {
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return uri.buildUpon().appendQueryParameter(QUERY_KEY_EMBEDDED, "1").build();
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}
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private void loadErrorPage(String failingUrl) {
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String htmlData = "<html><title>" +
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getString(R.string.loading_error_title) +
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"</title>" +
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"<style>" +
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".btn {" +
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" display: inline-block;" +
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" padding: 6px 12px;" +
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" font-size: 20px;" +
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" font-weight: 400;" +
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" line-height: 1.42857143;" +
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" text-align: center;" +
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" white-space: nowrap;" +
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" vertical-align: middle;" +
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" touch-action: manipulation;" +
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" cursor: pointer;" +
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" user-select: none;" +
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" border: 1px solid #ccc;" +
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" border-radius: 4px;" +
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" color: #333;" +
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" text-decoration: none;" +
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" margin-top: 50px;" +
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"}" +
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"</style>" +
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"<body>" +
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"<div align=\"center\">" +
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"<a class=\"btn\" href=\"" + failingUrl + "\">" + getString(R.string.loading_error_content) +
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"</a>" +
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"</form></body></html>";
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mWebView.loadDataWithBaseURL("about:blank", htmlData, "text/html", "UTF-8", null);
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mWebView.invalidate();
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}
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private static boolean uriEqual(Uri uri1, Uri uri2) {
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return uri1.getHost().equals(uri2.getHost()) &&
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uri1.getPath().equals(uri2.getPath());
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}
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private static boolean allowedUris(Uri allowedUris[], Uri uri2) {
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for (Uri uri : allowedUris) {
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if (uriEqual(uri, uri2)) {
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return true;
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}
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}
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return false;
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}
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private static boolean isAllowedUrl(Uri uri) {
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final Uri allowedUris[] = new Uri[]{
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Constants.faqUri,
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Constants.helpUri,
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Constants.registrationUrl,
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Constants.webUri.buildUpon().appendEncodedPath("tos/").build(),
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Constants.webUri.buildUpon().appendEncodedPath("about/").build(),
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};
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final Uri accountsUri = Constants.webUri.buildUpon().appendEncodedPath("accounts/").build();
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return (allowedUris(allowedUris, uri) ||
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(uri.getHost().equals(accountsUri.getHost()) &&
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(uri.getPath().startsWith(accountsUri.getPath())))
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);
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}
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private boolean shouldOverrideUrl(Uri uri) {
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if (isAllowedUrl(uri)) {
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if (uri.getQueryParameter(QUERY_KEY_EMBEDDED) != null) {
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return false;
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} else {
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uri = addQueryParams(uri);
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mWebView.loadUrl(uri.toString());
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return true;
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}
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} else {
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startActivity(new Intent(Intent.ACTION_VIEW, uri));
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return true;
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}
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}
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@Override
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protected void onSaveInstanceState(Bundle outState) {
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mWebView.saveState(outState);
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}
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@Override
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public boolean onKeyDown(int keyCode, KeyEvent event) {
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if (keyCode == KeyEvent.KEYCODE_BACK) {
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if (mWebView.canGoBack()) {
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mWebView.goBack();
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return true;
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}
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}
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return super.onKeyDown(keyCode, event);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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if (item.getItemId() == android.R.id.home) {
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if (!getSupportFragmentManager().popBackStackImmediate()) {
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finish();
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}
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return true;
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}
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return false;
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}
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}
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