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Commit c16a34e1 authored by Treehugger Robot's avatar Treehugger Robot Committed by Android (Google) Code Review
Browse files

Merge "Verify that the caller has permissions for the icons it provided." into tm-dev

parents 43b48fcb e73bb60f

core/java/com/android/internal/app/ChooserActivity.java

+49 −1
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 


package com.android.internal.app;



import static android.content.ContentProvider.getUriWithoutUserId;

import static android.content.ContentProvider.getUserIdFromUri;



import static com.android.internal.util.LatencyTracker.ACTION_LOAD_SHARE_SHEET;
@@ -32,7 +33,9 @@ import android.annotation.NonNull; 
import android.annotation.Nullable;

import android.app.Activity;

import android.app.ActivityManager;

import android.app.IUriGrantsManager;

import android.app.SharedElementCallback;

import android.app.UriGrantsManager;

import android.app.prediction.AppPredictionContext;

import android.app.prediction.AppPredictionManager;

import android.app.prediction.AppPredictor;
@@ -68,6 +71,7 @@ import android.graphics.Paint; 
import android.graphics.Path;

import android.graphics.drawable.AnimatedVectorDrawable;

import android.graphics.drawable.Drawable;

import android.graphics.drawable.Icon;

import android.metrics.LogMaker;

import android.net.Uri;

import android.os.AsyncTask;
@@ -77,6 +81,7 @@ import android.os.Handler; 
import android.os.Message;

import android.os.Parcelable;

import android.os.PatternMatcher;

import android.os.RemoteException;

import android.os.ResultReceiver;

import android.os.UserHandle;

import android.os.UserManager;
@@ -663,7 +668,11 @@ public class ChooserActivity extends ResolverActivity implements 
                    targets = null;

                    break;

                }

                targets[i] = (ChooserTarget) pa[i];

                ChooserTarget chooserTarget = (ChooserTarget) pa[i];

                if (!hasValidIcon(chooserTarget)) {

                    chooserTarget = removeIcon(chooserTarget);

                }

                targets[i] = chooserTarget;

            }

            mCallerChooserTargets = targets;

        }
@@ -4038,4 +4047,43 @@ public class ChooserActivity extends ResolverActivity implements 
    private boolean shouldNearbyShareBeIncludedAsActionButton() {

        return !shouldNearbyShareBeFirstInRankedRow();

    }



    private boolean hasValidIcon(ChooserTarget target) {

        Icon icon = target.getIcon();

        if (icon == null) {

            return true;

        }

        if (icon.getType() == Icon.TYPE_URI || icon.getType() == Icon.TYPE_URI_ADAPTIVE_BITMAP) {

            Uri uri = icon.getUri();

            try {

                getUriGrantsManager().checkGrantUriPermission_ignoreNonSystem(

                        getLaunchedFromUid(),

                        getPackageName(),

                        getUriWithoutUserId(uri),

                        Intent.FLAG_GRANT_READ_URI_PERMISSION,

                        getUserIdFromUri(uri)

                );

            } catch (SecurityException | RemoteException e) {

                Log.e(TAG, "Failed to get URI permission for: " + uri, e);

                return false;

            }

        }

        return true;

    }



    private IUriGrantsManager getUriGrantsManager() {

        return UriGrantsManager.getService();

    }



    private static ChooserTarget removeIcon(ChooserTarget target) {

        if (target == null) {

            return null;

        }

        return new ChooserTarget(

                target.getTitle(),

                null,

                target.getScore(),

                target.getComponentName(),

                target.getIntentExtras());

    }

}