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Commit 6eb527cd authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
Browse files

Merge "Hide all AppsFilter tracing behind flag" into sc-dev am: 77b42962 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14628451

Change-Id: I6ee5f0b9ef05b540b9723ddb3490792c6f749060
parents 85337e28 77b42962

services/core/java/com/android/server/pm/AppsFilter.java

+91 −30
Original line number Diff line number Diff line
@@ -84,6 +84,7 @@ public class AppsFilter implements Watchable, Snappable { 
    // Logs all filtering instead of enforcing

    private static final boolean DEBUG_ALLOW_ALL = false;

    private static final boolean DEBUG_LOGGING = false;

    private static final boolean DEBUG_TRACING = false;



    /**

     * This contains a list of app UIDs that are implicitly queryable because another app explicitly
@@ -363,23 +364,31 @@ public class AppsFilter implements Watchable, Snappable { 


        @Override

        public boolean isGloballyEnabled() {

            if (DEBUG_TRACING) {

                Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "isGloballyEnabled");

            }

            try {

                return mFeatureEnabled;

            } finally {

                if (DEBUG_TRACING) {

                    Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

                }

            }

        }



        @Override

        public boolean packageIsEnabled(AndroidPackage pkg) {

            if (DEBUG_TRACING) {

                Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "packageIsEnabled");

            }

            try {

                return !mDisabledPackages.contains(pkg.getPackageName());

            } finally {

                if (DEBUG_TRACING) {

                    Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

                }

            }

        }



        @Override

        public boolean isLoggingEnabled(int uid) {
@@ -656,7 +665,9 @@ public class AppsFilter implements Watchable, Snappable { 
     * @param isReplace if the package is being replaced and may need extra cleanup.

     */

    public void addPackage(PackageSetting newPkgSetting, boolean isReplace) {

        if (DEBUG_TRACING) {

            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "filter.addPackage");

        }

        try {

            if (isReplace) {

                // let's first remove any prior rules for this package
@@ -689,9 +700,11 @@ public class AppsFilter implements Watchable, Snappable { 
            });

        } finally {

            onChanged();

            if (DEBUG_TRACING) {

                Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

            }

        }

    }



    /**

     * @return Additional packages that may have had their viewing visibility changed and may need
@@ -1173,7 +1186,9 @@ public class AppsFilter implements Watchable, Snappable { 
     */

    public boolean shouldFilterApplication(int callingUid, @Nullable SettingBase callingSetting,

            PackageSetting targetPkgSetting, int userId) {

        if (DEBUG_TRACING) {

            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "shouldFilterApplication");

        }

        try {

            int callingAppId = UserHandle.getAppId(callingUid);

            if (callingAppId < Process.FIRST_APPLICATION_UID
@@ -1211,13 +1226,17 @@ public class AppsFilter implements Watchable, Snappable { 
            }

            return !DEBUG_ALLOW_ALL;

        } finally {

            if (DEBUG_TRACING) {

                Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

            }

        }

    }



    private boolean shouldFilterApplicationInternal(int callingUid, SettingBase callingSetting,

            PackageSetting targetPkgSetting, int targetUserId) {

        if (DEBUG_TRACING) {

            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "shouldFilterApplicationInternal");

        }

        try {

            final boolean featureEnabled = mFeatureConfig.isGloballyEnabled();

            if (!featureEnabled) {
@@ -1232,7 +1251,9 @@ public class AppsFilter implements Watchable, Snappable { 
            }

            final PackageSetting callingPkgSetting;

            final ArraySet<PackageSetting> callingSharedPkgSettings;

            if (DEBUG_TRACING) {

                Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "callingSetting instanceof");

            }

            if (callingSetting instanceof PackageSetting) {

                if (((PackageSetting) callingSetting).sharedUser == null) {

                    callingPkgSetting = (PackageSetting) callingSetting;
@@ -1246,7 +1267,9 @@ public class AppsFilter implements Watchable, Snappable { 
                callingPkgSetting = null;

                callingSharedPkgSettings = ((SharedUserSetting) callingSetting).packages;

            }

            if (DEBUG_TRACING) {

                Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

            }



            if (callingPkgSetting != null) {

                if (callingPkgSetting.pkg != null
@@ -1282,7 +1305,9 @@ public class AppsFilter implements Watchable, Snappable { 
                return false;

            }

            final String targetName = targetPkg.getPackageName();

            if (DEBUG_TRACING) {

                Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "getAppId");

            }

            final int callingAppId;

            if (callingPkgSetting != null) {

                callingAppId = callingPkgSetting.appId;
@@ -1290,7 +1315,9 @@ public class AppsFilter implements Watchable, Snappable { 
                callingAppId = callingSharedPkgSettings.valueAt(0).appId; // all should be the same

            }

            final int targetAppId = targetPkgSetting.appId;

            if (DEBUG_TRACING) {

                Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

            }

            if (callingAppId == targetAppId) {

                if (DEBUG_LOGGING) {

                    log(callingSetting, targetPkgSetting, "same app id");
@@ -1299,7 +1326,9 @@ public class AppsFilter implements Watchable, Snappable { 
            }



            try {

                if (DEBUG_TRACING) {

                    Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "requestsQueryAllPackages");

                }

                if (callingPkgSetting != null) {

                        if (callingPkgSetting.pkg != null

                                && requestsQueryAllPackages(callingPkgSetting.pkg)) {
@@ -1314,10 +1343,14 @@ public class AppsFilter implements Watchable, Snappable { 
                    }

                }

            } finally {

                if (DEBUG_TRACING) {

                    Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

                }

            }

            try {

                if (DEBUG_TRACING) {

                    Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "mForceQueryable");

                }

                if (mForceQueryable.contains(targetAppId)) {

                    if (DEBUG_LOGGING) {

                        log(callingSetting, targetPkgSetting, "force queryable");
@@ -1325,10 +1358,14 @@ public class AppsFilter implements Watchable, Snappable { 
                    return false;

                }

            } finally {

                if (DEBUG_TRACING) {

                    Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

                }

            }

            try {

                if (DEBUG_TRACING) {

                    Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "mQueriesViaPackage");

                }

                if (mQueriesViaPackage.contains(callingAppId, targetAppId)) {

                    if (DEBUG_LOGGING) {

                        log(callingSetting, targetPkgSetting, "queries package");
@@ -1336,10 +1373,14 @@ public class AppsFilter implements Watchable, Snappable { 
                    return false;

                }

            } finally {

                if (DEBUG_TRACING) {

                    Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

                }

            }

            try {

                if (DEBUG_TRACING) {

                    Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "mQueriesViaComponent");

                }

                if (mQueriesViaComponentRequireRecompute) {

                    mStateProvider.runWithState((settings, users) -> {

                        recomputeComponentVisibility(settings);
@@ -1352,11 +1393,15 @@ public class AppsFilter implements Watchable, Snappable { 
                    return false;

                }

            } finally {

                if (DEBUG_TRACING) {

                    Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

                }

            }



            try {

                if (DEBUG_TRACING) {

                    Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "mImplicitlyQueryable");

                }

                final int targetUid = UserHandle.getUid(targetUserId, targetAppId);

                if (mImplicitlyQueryable.contains(callingUid, targetUid)) {

                    if (DEBUG_LOGGING) {
@@ -1365,11 +1410,15 @@ public class AppsFilter implements Watchable, Snappable { 
                    return false;

                }

            } finally {

                if (DEBUG_TRACING) {

                    Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

                }

            }



            try {

                if (DEBUG_TRACING) {

                    Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "mOverlayReferenceMapper");

                }

                if (callingSharedPkgSettings != null) {

                    int size = callingSharedPkgSettings.size();

                    for (int index = 0; index < size; index++) {
@@ -1392,11 +1441,15 @@ public class AppsFilter implements Watchable, Snappable { 
                    }

                }

            } finally {

                if (DEBUG_TRACING) {

                    Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

                }

            }



            try {

                if (DEBUG_TRACING) {

                    Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "mQueryableViaUsesLibrary");

                }

                if (mQueryableViaUsesLibrary.contains(callingAppId, targetAppId)) {

                    if (DEBUG_LOGGING) {

                        log(callingSetting, targetPkgSetting, "queryable for library users");
@@ -1404,14 +1457,18 @@ public class AppsFilter implements Watchable, Snappable { 
                    return false;

                }

            } finally {

                if (DEBUG_TRACING) {

                    Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

                }

            }



            return true;

        } finally {

            if (DEBUG_TRACING) {

                Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

            }

        }

    }





    private static boolean requestsQueryAllPackages(@NonNull AndroidPackage pkg) {
@@ -1425,7 +1482,9 @@ public class AppsFilter implements Watchable, Snappable { 
    private static boolean pkgInstruments(

            @NonNull AndroidPackage source, @NonNull AndroidPackage target) {

        try {

            if (DEBUG_TRACING) {

                Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "pkgInstruments");

            }

            final String packageName = target.getPackageName();

            final List<ParsedInstrumentation> inst = source.getInstrumentations();

            for (int i = ArrayUtils.size(inst) - 1; i >= 0; i--) {
@@ -1435,9 +1494,11 @@ public class AppsFilter implements Watchable, Snappable { 
            }

            return false;

        } finally {

            if (DEBUG_TRACING) {

                Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

            }

        }

    }



    private static void log(SettingBase callingSetting, PackageSetting targetPkgSetting,

            String description) {