com.microsoft.sharepointservices.http.SharepointCookieCredentials.java Source code

Introduction

Here is the source code for com.microsoft.sharepointservices.http.SharepointCookieCredentials.java

Source

/*******************************************************************************
 * Copyright (c) Microsoft Open Technologies, Inc.
 * All Rights Reserved
 * See License.txt in the project root for license information.
 ******************************************************************************/
package com.microsoft.sharepointservices.http;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.util.DisplayMetrics;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.CookieManager;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.EditText;
import android.widget.LinearLayout;

import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;

/**
 * The type Sharepoint cookie credentials.
 */
public class SharepointCookieCredentials extends CookieCredentials {

    /**
     * Request credentials.
     *
     * @param sharepointSiteUrl the sharepoint site url
     * @param activity the activity
     * @return the listenable future
     */
    public static ListenableFuture<CookieCredentials> requestCredentials(String sharepointSiteUrl,
            Activity activity) {
        final SettableFuture<CookieCredentials> future = SettableFuture.create();

        ListenableFuture<String> login = showLoginForCookies(activity, sharepointSiteUrl);

        Futures.addCallback(login, new FutureCallback<String>() {
            @Override
            public void onFailure(Throwable t) {
                future.setException(t);
            }

            @Override
            public void onSuccess(String cookies) {
                future.set(new CookieCredentials(cookies));
            }
        });

        return future;
    }

    /**
     * Show login for cookies.
     *
     * @param activity the activity
     * @param startUrl the start url
     * @return the listenable future
     */
    @SuppressLint("SetJavaScriptEnabled")
    protected static ListenableFuture<String> showLoginForCookies(Activity activity, final String startUrl) {

        final SettableFuture<String> codeFuture = SettableFuture.create();
        if (startUrl == null || startUrl.equals("")) {
            throw new IllegalArgumentException("startUrl can not be null or empty");
        }

        if (activity == null) {
            throw new IllegalArgumentException("activity can not be null");
        }

        final AlertDialog.Builder builder = new AlertDialog.Builder(activity);
        // Create the Web View to show the login page
        final WebView wv = new WebView(activity);
        builder.setOnCancelListener(new DialogInterface.OnCancelListener() {

            @Override
            public void onCancel(DialogInterface dialog) {
                codeFuture.setException(new Exception("User cancelled"));
            }
        });

        wv.getSettings().setJavaScriptEnabled(true);

        wv.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);
        wv.getSettings().setLoadWithOverviewMode(true);
        wv.getSettings().setUseWideViewPort(true);

        DisplayMetrics displaymetrics = new DisplayMetrics();
        activity.getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);
        int webViewHeight = displaymetrics.heightPixels;

        wv.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, webViewHeight));

        wv.requestFocus(View.FOCUS_DOWN);
        wv.setOnTouchListener(new View.OnTouchListener() {

            @Override
            public boolean onTouch(View view, MotionEvent event) {
                int action = event.getAction();
                if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_UP) {
                    if (!view.hasFocus()) {
                        view.requestFocus();
                    }
                }

                return false;
            }
        });

        // Create a LinearLayout and add the WebView to the Layout
        LinearLayout layout = new LinearLayout(activity);
        layout.setOrientation(LinearLayout.VERTICAL);
        layout.addView(wv);

        // Add a dummy EditText to the layout as a workaround for a bug
        // that prevents showing the keyboard for the WebView on some devices
        EditText dummyEditText = new EditText(activity);
        dummyEditText.setVisibility(View.GONE);
        layout.addView(dummyEditText);

        // Add the layout to the dialog
        builder.setView(layout);

        final AlertDialog dialog = builder.create();

        wv.setWebViewClient(new WebViewClient() {

            boolean mResultReturned = false;
            final Object mSync = new Object();

            @Override
            public void onPageStarted(WebView view, String url, Bitmap favicon) {
                synchronized (mSync) {
                    // If the URL of the started page matches with the final URL
                    // format, the login process finished
                    if (cookieWasFound(view) && !mResultReturned) {
                        mResultReturned = true;

                        CookieManager cookieManager = CookieManager.getInstance();
                        String cookie = cookieManager.getCookie(url);
                        dialog.dismiss();
                        codeFuture.set(cookie);
                    }

                    super.onPageStarted(view, url, favicon);
                }
            }

            private boolean cookieWasFound(WebView view) {
                CookieManager cookieManager = CookieManager.getInstance();
                String cookie = cookieManager.getCookie(startUrl);
                return cookie != null && cookie.contains("rtFa");
            }
        });

        wv.loadUrl(startUrl);
        dialog.show();

        return codeFuture;
    }
}