Merge "Add logging for activity starts to be blocked as part of...

import com.android.internal.app.HeavyWeightSwitcherActivity;

import com.android.internal.app.IVoiceInteractor;

import com.android.internal.protolog.common.ProtoLog;

import com.android.internal.util.FrameworkStatsLog;

import com.android.server.am.PendingIntentRecord;

import com.android.server.pm.InstantAppResolver;

import com.android.server.power.ShutdownCheckPoints;

            }

        }

        // Log activity starts which violate one of the following rules of the

        // activity security model (ASM):

        // 1. Only the top activity on a task can start activities on that task

        // 2. Only the top activity on the top task can create new (top) tasks

        // We don't currently block, but these checks may later become blocks

        // TODO(b/236234252): Shift to BackgroundActivityStartController once

        // class is ready

        if (mSourceRecord != null) {

            int callerUid = mSourceRecord.getUid();

            ActivityRecord targetTopActivity =

                    targetTask != null ? targetTask.getTopNonFinishingActivity() : null;

            boolean passesAsmChecks = newTask

                    ? mService.mVisibleActivityProcessTracker.hasResumedActivity(callerUid)

                    : targetTopActivity != null && targetTopActivity.getUid() == callerUid;

            if (!passesAsmChecks) {

                Slog.i(TAG, "Launching r: " + r

                        + " from background: " + mSourceRecord

                        + ". New task: " + newTask);

                boolean newOrEmptyTask = newTask || (targetTopActivity == null);

                FrameworkStatsLog.write(FrameworkStatsLog.ACTIVITY_ACTION_BLOCKED,

                        /* caller_uid */

                        callerUid,

                        /* caller_activity_class_name */

                        mSourceRecord.info.name,

                        /* target_task_top_activity_uid */

                        newOrEmptyTask ? -1 : targetTopActivity.getUid(),

                        /* target_task_top_activity_class_name */

                        newOrEmptyTask ? null : targetTopActivity.info.name,

                        /* target_task_is_different */

                        newTask || !mSourceRecord.getTask().equals(targetTask),

                        /* target_activity_uid */

                        r.getUid(),

                        /* target_activity_class_name */

                        r.info.name,

                        /* target_intent_action */

                        r.intent.getAction(),

                        /* target_intent_flags */

                        r.intent.getFlags()

                );

            }

        }

        return START_SUCCESS;

    }