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Commit 5fec29bb authored by Jing Ji's avatar Jing Ji Committed by Android (Google) Code Review
Browse files

Merge "Log the clipboard retrieval event into statsd" into main

parents 3a5acfec f8bbe8c6

services/core/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -263,6 +263,7 @@ java_library_static { 
        "profiling_flags_lib",

        "android.adpf.sessionmanager_aidl-java",

        "uprobestats_flags_java_lib",

        "clipboard_flags_lib",

    ],

    javac_shard_size: 50,

    javacflags: [

services/core/java/com/android/server/clipboard/Android.bp

0 → 100644
+18 −0
Original line number Diff line number Diff line 
aconfig_declarations {

    name: "clipboard_flags",

    package: "com.android.server.clipboard",

    container: "system",

    srcs: ["*.aconfig"],

}



java_aconfig_library {

    name: "clipboard_flags_lib",

    aconfig_declarations: "clipboard_flags",

}



java_aconfig_library {

    name: "clipboard_flags_host_lib",

    host_supported: true,

    libs: ["fake_device_config"],

    aconfig_declarations: "clipboard_flags",

}

services/core/java/com/android/server/clipboard/ClipboardService.java

+87 −0
Original line number Diff line number Diff line
@@ -19,9 +19,27 @@ package com.android.server.clipboard; 
import static android.app.ActivityManagerInternal.ALLOW_FULL_ONLY;

import static android.companion.virtual.VirtualDeviceParams.DEVICE_POLICY_CUSTOM;

import static android.companion.virtual.VirtualDeviceParams.POLICY_TYPE_CLIPBOARD;

import static android.content.ClipDescription.MIMETYPE_UNKNOWN;

import static android.content.ClipDescription.MIMETYPE_TEXT_PLAIN;

import static android.content.ClipDescription.MIMETYPE_TEXT_HTML;

import static android.content.ClipDescription.MIMETYPE_TEXT_URILIST;

import static android.content.ClipDescription.MIMETYPE_TEXT_INTENT;

import static android.content.ClipDescription.MIMETYPE_APPLICATION_ACTIVITY;

import static android.content.ClipDescription.MIMETYPE_APPLICATION_SHORTCUT;

import static android.content.ClipDescription.MIMETYPE_APPLICATION_TASK;

import static android.content.Context.DEVICE_ID_DEFAULT;

import static android.content.Context.DEVICE_ID_INVALID;



import static com.android.internal.util.FrameworkStatsLog.CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_UNKNOWN;

import static com.android.internal.util.FrameworkStatsLog.CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_TEXT_PLAIN;

import static com.android.internal.util.FrameworkStatsLog.CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_TEXT_HTML;

import static com.android.internal.util.FrameworkStatsLog.CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_TEXT_URILIST;

import static com.android.internal.util.FrameworkStatsLog.CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_TEXT_INTENT;

import static com.android.internal.util.FrameworkStatsLog.CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_APPLICATION_ACTIVITY;

import static com.android.internal.util.FrameworkStatsLog.CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_APPLICATION_SHORTCUT;

import static com.android.internal.util.FrameworkStatsLog.CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_APPLICATION_TASK;

import static com.android.server.clipboard.Flags.clipboardGetEventLogging;



import android.Manifest;

import android.annotation.NonNull;

import android.annotation.Nullable;
@@ -70,6 +88,7 @@ import android.provider.Settings; 
import android.text.TextUtils;

import android.util.ArrayMap;

import android.util.ArraySet;

import android.util.IntArray;

import android.util.Pair;

import android.util.SafetyProtectionUtils;

import android.util.Slog;
@@ -98,6 +117,7 @@ import com.android.server.wm.WindowManagerInternal; 


import java.util.HashSet;

import java.util.List;

import java.util.concurrent.TimeUnit;

import java.util.function.Consumer;



/**
@@ -132,6 +152,10 @@ public class ClipboardService extends SystemService { 
    private static final String PROPERTY_MAX_CLASSIFICATION_LENGTH = "max_classification_length";

    private static final int DEFAULT_MAX_CLASSIFICATION_LENGTH = 400;



    private static final int[] CLIP_DATA_TYPES_UNKNOWN = {

            CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_UNKNOWN

    };



    private final ActivityManagerInternal mAmInternal;

    private final IUriGrantsManager mUgm;

    private final UriGrantsManagerInternal mUgmInternal;
@@ -657,6 +681,8 @@ public class ClipboardService extends SystemService { 
                        pkg, intendingUid, intendingUserId, clipboard, deviceId);

                notifyTextClassifierLocked(clipboard, pkg, intendingUid);

                if (clipboard.primaryClip != null) {

                    scheduleWriteClipDataStats(clipboard.primaryClip,

                            clipboard.primaryClipUid, intendingUid);

                    scheduleAutoClear(userId, intendingUid, intendingDeviceId);

                }

                return clipboard.primaryClip;
@@ -1600,4 +1626,65 @@ public class ClipboardService extends SystemService { 
        Context context = getContext().createContextAsUser(UserHandle.of(userId), /* flags= */ 0);

        return context.getSystemService(TextClassificationManager.class);

    }



    private static int mimeTypeToClipDataType(@NonNull String mimeType) {

        switch (mimeType) {

            case MIMETYPE_TEXT_PLAIN:

                return CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_TEXT_PLAIN;

            case MIMETYPE_TEXT_HTML:

                return CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_TEXT_HTML;

            case MIMETYPE_TEXT_URILIST:

                return CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_TEXT_URILIST;

            case MIMETYPE_TEXT_INTENT:

                return CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_TEXT_INTENT;

            case MIMETYPE_APPLICATION_ACTIVITY:

                return CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_APPLICATION_ACTIVITY;

            case MIMETYPE_APPLICATION_SHORTCUT:

                return CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_APPLICATION_SHORTCUT;

            case MIMETYPE_APPLICATION_TASK:

                return CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_APPLICATION_TASK;

            case MIMETYPE_UNKNOWN:

                // fallthrough

            default:

                return CLIPBOARD_GET_EVENT_REPORTED__CLIP_DATA_TYPE__MIMETYPE_UNKNOWN;

        }

    }



    private void scheduleWriteClipDataStats(@NonNull ClipData clipData,

            int sourceUid, int intendingUid) {

        if (!clipboardGetEventLogging()) {

            return;

        }

        final ClipDescription description = clipData.getDescription();

        if (description != null) {

            final IntArray mimeTypes = new IntArray();

            final int secondsSinceSet = (int) TimeUnit.MILLISECONDS.toSeconds(

                    System.currentTimeMillis() - description.getTimestamp());

            for (int i = description.getMimeTypeCount() - 1; i >= 0; i--) {

                final String mimeType = description.getMimeType(i);

                if (mimeType != null) {

                    final int clipDataType = mimeTypeToClipDataType(mimeType);

                    if (!mimeTypes.contains(clipDataType)) {

                        mimeTypes.add(clipDataType);

                    }

                }

            }

            // The getUidProcessState() will hit AMS lock which might be slow, while getting the

            // clip data might be on the critical UI path. So post to the work thread.

            // There could be race conditions where the UID state might have been changed

            // between now and the work thread execution time, but this should be acceptable.

            mWorkerHandler.post(() -> FrameworkStatsLog.write(

                    FrameworkStatsLog.CLIPBOARD_GET_EVENT_REPORTED,

                    sourceUid, intendingUid,

                    mAmInternal.getUidProcessState(intendingUid),

                    mimeTypes.toArray(),

                    secondsSinceSet));

        } else {

            mWorkerHandler.post(() -> FrameworkStatsLog.write(

                    FrameworkStatsLog.CLIPBOARD_GET_EVENT_REPORTED,

                    sourceUid, intendingUid,

                    mAmInternal.getUidProcessState(intendingUid),

                    CLIP_DATA_TYPES_UNKNOWN, 0));

        }

    }

}

services/core/java/com/android/server/clipboard/flags.aconfig

0 → 100644
+9 −0
Original line number Diff line number Diff line 
package: "com.android.server.clipboard"

container: "system"



flag {

    name: "clipboard_get_event_logging"

    namespace: "backstage_power"

    description: "Log the clipboard retrieval event in statsd"

    bug: "402542624"

}