Add back SSL error detection that was removed, fixed static analysis warnings.

app/src/main/java/acr/browser/lightning/activity/BrowserActivity.java

@@ -210,7 +210,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
     private static final FrameLayout.LayoutParams COVER_SCREEN_PARAMS = new FrameLayout.LayoutParams(
             LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
 
-    public abstract boolean isIncognito();
+    protected abstract boolean isIncognito();
 
 //    abstract void initializeTabs();
 

app/src/main/java/acr/browser/lightning/activity/IncognitoActivity.java

@@ -7,7 +7,6 @@ import android.webkit.CookieManager;
 import android.webkit.CookieSyncManager;
 
 import acr.browser.lightning.R;
-import acr.browser.lightning.preference.PreferenceManager;
 
 @SuppressWarnings("deprecation")
 public class IncognitoActivity extends BrowserActivity {

app/src/main/java/acr/browser/lightning/activity/MainActivity.java

@@ -7,7 +7,6 @@ import android.webkit.CookieManager;
 import android.webkit.CookieSyncManager;
 
 import acr.browser.lightning.R;
-import acr.browser.lightning.preference.PreferenceManager;
 
 @SuppressWarnings("deprecation")
 public class MainActivity extends BrowserActivity {

app/src/main/java/acr/browser/lightning/activity/TabsManager.java

@@ -38,7 +38,6 @@ public class TabsManager {
             final String mem = mPreferenceManager.getMemoryUrl();
             mPreferenceManager.setMemoryUrl("");
             String[] array = Utils.getArray(mem);
-            int count = 0;
             for (String urlString : array) {
                 if (!urlString.isEmpty()) {
                     newTab(activity, urlString, darkTheme, incognito);

app/src/main/java/acr/browser/lightning/activity/ThemableSettingsActivity.java

@@ -5,7 +5,6 @@ import android.os.Bundle;
 
 import acr.browser.lightning.R;
 import acr.browser.lightning.app.BrowserApp;
-import acr.browser.lightning.preference.PreferenceManager;
 import acr.browser.lightning.utils.ThemeUtils;
 
 public abstract class ThemableSettingsActivity extends AppCompatPreferenceActivity {

app/src/main/java/acr/browser/lightning/controller/BrowserController.java

@@ -3,13 +3,11 @@
  */
 package acr.browser.lightning.controller;
 
-import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.Message;
 import android.view.View;
 import android.webkit.ValueCallback;
 import android.webkit.WebChromeClient.CustomViewCallback;
-import android.webkit.WebView;
 
 import acr.browser.lightning.view.LightningView;
 

app/src/main/java/acr/browser/lightning/database/HistoryDatabase.java

@@ -16,7 +16,6 @@ import javax.inject.Inject;
 import javax.inject.Singleton;
 
 import acr.browser.lightning.R;
-import acr.browser.lightning.app.BrowserApp;
 
 @Singleton
 public class HistoryDatabase extends SQLiteOpenHelper {
@@ -73,7 +72,7 @@ public class HistoryDatabase extends SQLiteOpenHelper {
         mDatabase = this.getWritableDatabase();
     }
 
-    public boolean isClosed() {
+    private boolean isClosed() {
         return mDatabase == null || !mDatabase.isOpen();
     }
 

app/src/main/java/acr/browser/lightning/dialog/LightningDialogBuilder.java

@@ -6,7 +6,6 @@ import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.net.Uri;
-import android.os.Build;
 import android.support.annotation.NonNull;
 import android.support.v7.app.AlertDialog;
 import android.view.View;

app/src/main/java/acr/browser/lightning/download/FetchUrlMimeType.java

@@ -20,7 +20,6 @@ import java.net.URL;
 import acr.browser.lightning.R;
 import acr.browser.lightning.app.BrowserApp;
 import acr.browser.lightning.bus.BrowserEvents;
-import acr.browser.lightning.utils.Utils;
 
 /**
  * This class is used to pull down the http headers of a given URL so that we

app/src/main/java/acr/browser/lightning/fragment/BookmarkSettingsFragment.java

@@ -5,7 +5,6 @@ package acr.browser.lightning.fragment;
 
 import android.Manifest;
 import android.app.Activity;
-import android.content.Context;
 import android.content.DialogInterface;
 import android.os.AsyncTask;
 import android.os.Build;
@@ -52,7 +51,7 @@ public class BookmarkSettingsFragment extends PreferenceFragment implements Pref
 
     private class ImportBookmarksTask extends AsyncTask<Void, Void, Integer> {
 
-        private WeakReference<Activity> mActivityReference;
+        private final WeakReference<Activity> mActivityReference;
 
         public ImportBookmarksTask(Activity activity) {
             mActivityReference = new WeakReference<>(activity);

app/src/main/java/acr/browser/lightning/fragment/BookmarksFragment.java

@@ -36,7 +36,6 @@ import java.util.List;
 import javax.inject.Inject;
 
 import acr.browser.lightning.R;
-import acr.browser.lightning.activity.BrowserActivity;
 import acr.browser.lightning.activity.ReadingActivity;
 import acr.browser.lightning.activity.TabsManager;
 import acr.browser.lightning.app.BrowserApp;
@@ -95,8 +94,6 @@ public class BookmarksFragment extends Fragment implements View.OnClickListener,
     // Colors
     private int mIconColor, mScrollIndex;
 
-    private boolean mIsIncognito;
-
     // Init asynchronously the bookmark manager
     private final Runnable mInitBookmarkManager = new Runnable() {
         @Override
@@ -114,8 +111,8 @@ public class BookmarksFragment extends Fragment implements View.OnClickListener,
         BrowserApp.getAppComponent().inject(this);
         final Bundle arguments = getArguments();
         final Context context = getContext();
-        mIsIncognito = arguments.getBoolean(INCOGNITO_MODE, false);
-        boolean darkTheme = mPreferenceManager.getUseTheme() != 0 || mIsIncognito;
+        boolean isIncognito = arguments.getBoolean(INCOGNITO_MODE, false);
+        boolean darkTheme = mPreferenceManager.getUseTheme() != 0 || isIncognito;
         mWebpageBitmap = ThemeUtils.getThemedBitmap(context, R.drawable.ic_webpage, darkTheme);
         mFolderBitmap = ThemeUtils.getThemedBitmap(context, R.drawable.ic_folder, darkTheme);
         mIconColor = darkTheme ? ThemeUtils.getIconDarkThemeColor(context) :

app/src/main/java/acr/browser/lightning/fragment/GeneralSettingsFragment.java

@@ -22,7 +22,6 @@ import android.widget.LinearLayout;
 import acr.browser.lightning.R;
 import acr.browser.lightning.constant.Constants;
 import acr.browser.lightning.download.DownloadHandler;
-import acr.browser.lightning.preference.PreferenceManager;
 import acr.browser.lightning.utils.ProxyUtils;
 import acr.browser.lightning.utils.ThemeUtils;
 import acr.browser.lightning.utils.Utils;

app/src/main/java/acr/browser/lightning/fragment/TabsFragment.java

@@ -21,6 +21,7 @@ import android.support.annotation.IdRes;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v4.app.Fragment;
+import android.support.v4.content.ContextCompat;
 import android.support.v4.view.ViewCompat;
 import android.support.v7.graphics.Palette;
 import android.support.v7.widget.LinearLayoutManager;
@@ -249,6 +250,9 @@ public class TabsFragment extends Fragment implements View.OnClickListener, View
             ViewCompat.jumpDrawablesToCurrentState(holder.exitButton);
 
             LightningView web = tabsManager.getTabAtPosition(position);
+            if (web == null) {
+                return;
+            }
             holder.txtTitle.setText(web.getTitle());
 
             final Bitmap favicon = web.getFavicon();
@@ -326,14 +330,7 @@ public class TabsFragment extends Fragment implements View.OnClickListener, View
                 return;
             }
 
-            final int defaultColor;
-            final Resources resources = getResources();
-            final ColorDrawable mBackground = new ColorDrawable();
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-                defaultColor = resources.getColor(R.color.primary_color, null);
-            } else {
-                defaultColor = resources.getColor(R.color.primary_color);
-            }
+            final int defaultColor = ContextCompat.getColor(getContext(), R.color.primary_color);
             if (mCurrentUiColor == Color.BLACK) {
                 mCurrentUiColor = defaultColor;
             }

app/src/main/java/acr/browser/lightning/preference/PreferenceManager.java

@@ -6,7 +6,6 @@ import android.content.SharedPreferences;
 import javax.inject.Inject;
 import javax.inject.Singleton;
 
-import acr.browser.lightning.app.BrowserApp;
 import acr.browser.lightning.constant.Constants;
 import acr.browser.lightning.download.DownloadHandler;
 

app/src/main/java/acr/browser/lightning/reading/ArticleTextExtractor.java

@@ -491,8 +491,7 @@ public class ArticleTextExtractor {
             Element el = elems.get(0);
             if (el.hasAttr("content")) {
                 dateStr = el.attr("content");
-                Date parsedDate = parseDate(dateStr);
-                return parsedDate;
+                return parseDate(dateStr);
             }
         }
 

app/src/main/java/acr/browser/lightning/reading/HtmlFetcher.java

@@ -33,6 +33,8 @@ import java.util.zip.GZIPInputStream;
 import java.util.zip.Inflater;
 import java.util.zip.InflaterInputStream;
 
+import acr.browser.lightning.utils.Utils;
+
 /**
  * Class to fetch articles. This class is thread safe.
  *
@@ -49,7 +51,11 @@ public class HtmlFetcher {
     }
 
     public static void main(String[] args) throws Exception {
-        BufferedReader reader = new BufferedReader(new FileReader("urls.txt"));
+        BufferedReader reader = null;
+        BufferedWriter writer = null;
+        try {
+
+            reader = new BufferedReader(new FileReader("urls.txt"));
             String line;
             Set<String> existing = new LinkedHashSet<>();
             while ((line = reader.readLine()) != null) {
@@ -66,11 +72,13 @@ public class HtmlFetcher {
 
                 String html = new HtmlFetcher().fetchAsString(url, 2000);
                 String outFile = domainStr + counterStr + ".html";
-            BufferedWriter writer = new BufferedWriter(new FileWriter(outFile));
+                writer = new BufferedWriter(new FileWriter(outFile));
                 writer.write(html);
-            writer.close();
             }
-        reader.close();
+        } finally {
+            Utils.close(reader);
+            Utils.close(writer);
+        }
     }
 
     private String referrer = "http://jetsli.de/crawler";

app/src/main/java/acr/browser/lightning/utils/AdBlock.java

@@ -15,7 +15,6 @@ import java.util.Set;
 
 import acr.browser.lightning.app.BrowserApp;
 import acr.browser.lightning.constant.Constants;
-import acr.browser.lightning.preference.PreferenceManager;
 
 public class AdBlock {
 

app/src/main/java/acr/browser/lightning/utils/IntentUtils.java

@@ -2,7 +2,6 @@ package acr.browser.lightning.utils;
 
 import android.app.Activity;
 import android.content.ActivityNotFoundException;
-import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;

app/src/main/java/acr/browser/lightning/utils/WebUtils.java

@@ -11,7 +11,6 @@ import android.webkit.WebView;
 import android.webkit.WebViewDatabase;
 
 import acr.browser.lightning.app.BrowserApp;
-import acr.browser.lightning.database.HistoryDatabase;
 
 /**
  * Copyright 8/4/2015 Anthony Restaino

app/src/main/java/acr/browser/lightning/view/LightningChromeClient.java

@@ -231,8 +231,8 @@ class LightningChromeClient extends WebChromeClient {
         super.onShowCustomView(view, callback);
     }
 
+    @SuppressWarnings("deprecation")
     @Override
-    @Deprecated
     public void onShowCustomView(View view, int requestedOrientation,
                                  CustomViewCallback callback) {
         // While these lines might look like they work, in practice,

app/src/main/java/acr/browser/lightning/view/LightningView.java

@@ -4,7 +4,6 @@
 
 package acr.browser.lightning.view;
 
-import android.Manifest;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.graphics.Bitmap;
@@ -36,13 +35,9 @@ import com.squareup.otto.Bus;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
-import java.io.IOException;
 
 import javax.inject.Inject;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import acr.browser.lightning.R;
 import acr.browser.lightning.activity.BrowserActivity;
 import acr.browser.lightning.app.BrowserApp;
@@ -53,7 +48,6 @@ import acr.browser.lightning.constant.StartPage;
 import acr.browser.lightning.dialog.LightningDialogBuilder;
 import acr.browser.lightning.download.LightningDownloadListener;
 import acr.browser.lightning.preference.PreferenceManager;
-import acr.browser.lightning.utils.PermissionsManager;
 import acr.browser.lightning.utils.ProxyUtils;
 import acr.browser.lightning.utils.ThemeUtils;
 import acr.browser.lightning.utils.Utils;
@@ -80,18 +74,16 @@ public class LightningView {
             0, 0, -1.0f, 0, 255, // blue
             0, 0, 0, 1.0f, 0 // alpha
     };
-    private final PermissionsManager mPermissionsManager;
-    private static final String[] PERMISSIONS = new String[]{Manifest.permission.ACCESS_FINE_LOCATION};
-    private final WebViewHandler webViewHandler = new WebViewHandler();
+    private final WebViewHandler mWebViewHandler = new WebViewHandler();
 
     @Inject
-    Bus eventBus;
+    Bus mEventBus;
 
     @Inject
     PreferenceManager mPreferences;
 
     @Inject
-    LightningDialogBuilder bookmarksDialogBuilder;
+    LightningDialogBuilder mBookmarksDialogBuilder;
 
     @SuppressLint("NewApi")
     public LightningView(BrowserActivity activity, String url, boolean darkTheme, boolean isIncognito) {
@@ -100,7 +92,6 @@ public class LightningView {
         mWebView = new WebView(activity);
         mIsIncognitoTab = isIncognito;
         mTitle = new LightningViewTitle(activity, darkTheme);
-        mPermissionsManager = PermissionsManager.getInstance();
 
         mMaxFling = ViewConfiguration.get(activity).getScaledMaximumFlingVelocity();
 
@@ -410,7 +401,7 @@ public class LightningView {
 
     public void setForegroundTab(boolean isForeground) {
         isForegroundTab = isForeground;
-        eventBus.post(new BrowserEvents.TabsChanged());
+        mEventBus.post(new BrowserEvents.TabsChanged());
     }
 
     public boolean isForegroundTab() {
@@ -568,7 +559,7 @@ public class LightningView {
         }
     }
 
-    public String getUserAgent() {
+    private String getUserAgent() {
         if (mWebView != null) {
             return mWebView.getSettings().getUserAgentString();
         } else {
@@ -620,36 +611,36 @@ public class LightningView {
         if (currentUrl != null && currentUrl.startsWith(Constants.FILE)) {
             if (currentUrl.endsWith(HistoryPage.FILENAME)) {
                 if (url != null) {
-                    bookmarksDialogBuilder.showLongPressedHistoryLinkDialog(mActivity, url);
+                    mBookmarksDialogBuilder.showLongPressedHistoryLinkDialog(mActivity, url);
                 } else if (result != null && result.getExtra() != null) {
                     final String newUrl = result.getExtra();
-                    bookmarksDialogBuilder.showLongPressedHistoryLinkDialog(mActivity, newUrl);
+                    mBookmarksDialogBuilder.showLongPressedHistoryLinkDialog(mActivity, newUrl);
                 }
             } else if (currentUrl.endsWith(Constants.BOOKMARKS_FILENAME)) {
                 if (url != null) {
-                    bookmarksDialogBuilder.showLongPressedDialogForBookmarkUrl(mActivity, url);
+                    mBookmarksDialogBuilder.showLongPressedDialogForBookmarkUrl(mActivity, url);
                 } else if (result != null && result.getExtra() != null) {
                     final String newUrl = result.getExtra();
-                    bookmarksDialogBuilder.showLongPressedDialogForBookmarkUrl(mActivity, newUrl);
+                    mBookmarksDialogBuilder.showLongPressedDialogForBookmarkUrl(mActivity, newUrl);
                 }
             }
         } else {
             if (url != null) {
                 if (result != null) {
                     if (result.getType() == WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE || result.getType() == WebView.HitTestResult.IMAGE_TYPE) {
-                        bookmarksDialogBuilder.showLongPressImageDialog(mActivity, url, getUserAgent());
+                        mBookmarksDialogBuilder.showLongPressImageDialog(mActivity, url, getUserAgent());
                     } else {
-                        bookmarksDialogBuilder.showLongPressLinkDialog(mActivity, url);
+                        mBookmarksDialogBuilder.showLongPressLinkDialog(mActivity, url);
                     }
                 } else {
-                    bookmarksDialogBuilder.showLongPressLinkDialog(mActivity, url);
+                    mBookmarksDialogBuilder.showLongPressLinkDialog(mActivity, url);
                 }
             } else if (result != null && result.getExtra() != null) {
                 final String newUrl = result.getExtra();
                 if (result.getType() == WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE || result.getType() == WebView.HitTestResult.IMAGE_TYPE) {
-                    bookmarksDialogBuilder.showLongPressImageDialog(mActivity, newUrl, getUserAgent());
+                    mBookmarksDialogBuilder.showLongPressImageDialog(mActivity, newUrl, getUserAgent());
                 } else {
-                    bookmarksDialogBuilder.showLongPressLinkDialog(mActivity, newUrl);
+                    mBookmarksDialogBuilder.showLongPressLinkDialog(mActivity, newUrl);
                 }
             }
         }
@@ -754,9 +745,9 @@ public class LightningView {
         @Override
         public void onLongPress(MotionEvent e) {
             if (mCanTriggerLongPress) {
-                Message msg = webViewHandler.obtainMessage();
+                Message msg = mWebViewHandler.obtainMessage();
                 if (msg != null) {
-                    msg.setTarget(webViewHandler);
+                    msg.setTarget(mWebViewHandler);
                     mWebView.requestFocusNodeHref(msg);
                 }
             }

app/src/main/java/acr/browser/lightning/view/LightningViewTitle.java

@@ -60,7 +60,7 @@ class LightningViewTitle {
         return mFavicon;
     }
 
-    public Bitmap getDefaultIcon() {
+    public static Bitmap getDefaultIcon() {
         return DEFAULT_ICON;
     }
 }

app/src/main/java/acr/browser/lightning/view/LightningWebClient.java

@@ -27,6 +27,8 @@ import com.squareup.otto.Bus;
 
 import java.io.ByteArrayInputStream;
 import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.List;
 
 import acr.browser.lightning.R;
 import acr.browser.lightning.activity.BrowserActivity;
@@ -42,7 +44,7 @@ import acr.browser.lightning.utils.Utils;
  * @author Stefano Pacifici based on Anthony C. Restaino's code
  * @date 2015/09/22
  */
-public class LightningWebClient extends WebViewClient {
+class LightningWebClient extends WebViewClient {
 
     private final BrowserActivity mActivity;
     private final LightningView mLightningView;
@@ -70,6 +72,7 @@ public class LightningWebClient extends WebViewClient {
         return super.shouldInterceptRequest(view, request);
     }
 
+    @SuppressWarnings("deprecation")
     @Override
     public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
         if (mAdBlock.isAd(url)) {
@@ -180,11 +183,45 @@ public class LightningWebClient extends WebViewClient {
         }
     }
 
+    private static List<Integer> getAllSslErrorMessageCodes(SslError error) {
+        List<Integer> errorCodeMessageCodes = new ArrayList<>();
+
+        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, SslError error) {
+        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(mActivity.getString(R.string.message_untrusted_certificate))
+        builder.setMessage(alertMessage)
                 .setCancelable(true)
                 .setPositiveButton(mActivity.getString(R.string.action_yes),
                         new DialogInterface.OnClickListener() {
@@ -200,13 +237,7 @@ public class LightningWebClient extends WebViewClient {
                                 handler.cancel();
                             }
                         });
-        AlertDialog alert = builder.create();
-        if (error.getPrimaryError() == SslError.SSL_UNTRUSTED) {
-            alert.show();
-        } else {
-            handler.proceed();
-        }
-
+        builder.create().show();
     }
 
     @Override
@@ -219,7 +250,6 @@ public class LightningWebClient extends WebViewClient {
                         new DialogInterface.OnClickListener() {
                             @Override
                             public void onClick(DialogInterface dialog, int id) {
-
                                 resend.sendToTarget();
                             }
                         })
@@ -227,7 +257,6 @@ public class LightningWebClient extends WebViewClient {
                         new DialogInterface.OnClickListener() {
                             @Override
                             public void onClick(DialogInterface dialog, int id) {
-
                                 dontResend.sendToTarget();
                             }
                         });