Usb launch preference denial able to be remembered (d9f045eb) · Commits · e / os / android_frameworks_base

core/java/android/hardware/usb/IUsbManager.aidl

+12 −0

Original line number	Diff line number	Diff line
		@@ -55,6 +55,18 @@ interface IUsbManager
		*/
		void setAccessoryPackage(in UsbAccessory accessory, String packageName, int userId);

		/* Adds packages to the set of "denied and don't ask again" launch preferences for a device */
		void addDevicePackagesToPreferenceDenied(in UsbDevice device, in String[] packageNames, in UserHandle user);

		/* Adds packages to the set of "denied and don't ask again" launch preferences for an accessory */
		void addAccessoryPackagesToPreferenceDenied(in UsbAccessory accessory, in String[] packageNames, in UserHandle user);

		/* Removes packages from the set of "denied and don't ask again" launch preferences for a device */
		void removeDevicePackagesFromPreferenceDenied(in UsbDevice device, in String[] packageNames, in UserHandle user);

		/* Removes packages from the set of "denied and don't ask again" launch preferences for an accessory */
		void removeAccessoryPackagesFromPreferenceDenied(in UsbAccessory device, in String[] packageNames, in UserHandle user);

		/* Sets the persistent permission granted state for USB device
		*/
		void setDevicePersistentPermission(in UsbDevice device, int uid, in UserHandle user, boolean shouldBeGranted);

services/usb/java/com/android/server/usb/UsbProfileGroupSettingsManager.java

+311 −4

Original line number	Diff line number	Diff line
		@@ -46,6 +46,8 @@ import android.service.usb.UsbProfileGroupSettingsManagerProto;
		import android.service.usb.UsbSettingsAccessoryPreferenceProto;
		import android.service.usb.UsbSettingsDevicePreferenceProto;
		import android.service.usb.UserPackageProto;
		import android.util.ArrayMap;
		import android.util.ArraySet;
		import android.util.AtomicFile;
		import android.util.Log;
		import android.util.Slog;
		@@ -70,6 +72,7 @@ import java.io.FileInputStream;
		import java.io.FileNotFoundException;
		import java.io.FileOutputStream;
		import java.io.IOException;
		import java.net.ProtocolException;
		import java.nio.charset.StandardCharsets;
		import java.util.ArrayList;
		import java.util.HashMap;
		@@ -102,10 +105,20 @@ class UsbProfileGroupSettingsManager {
		@GuardedBy("mLock")
		private final HashMap<DeviceFilter, UserPackage> mDevicePreferenceMap = new HashMap<>();

		/** Maps DeviceFilter to set of UserPackages not to ask for launch preference anymore */
		@GuardedBy("mLock")
		private final ArrayMap<DeviceFilter, ArraySet<UserPackage>> mDevicePreferenceDeniedMap =
		new ArrayMap<>();

		/** Maps AccessoryFilter to user preferred application package */
		@GuardedBy("mLock")
		private final HashMap<AccessoryFilter, UserPackage> mAccessoryPreferenceMap = new HashMap<>();

		/** Maps AccessoryFilter to set of UserPackages not to ask for launch preference anymore */
		@GuardedBy("mLock")
		private final ArrayMap<AccessoryFilter, ArraySet<UserPackage>> mAccessoryPreferenceDeniedMap =
		new ArrayMap<>();

		private final Object mLock = new Object();

		/**
		@@ -248,11 +261,11 @@ class UsbProfileGroupSettingsManager {
		}

		/**
		* Remove all defaults for a user.
		* Remove all defaults and denied packages for a user.
		*
		* @param userToRemove The user the defaults belong to.
		* @param userToRemove The user
		*/
		void removeAllDefaultsForUser(@NonNull UserHandle userToRemove) {
		void removeUser(@NonNull UserHandle userToRemove) {
		synchronized (mLock) {
		boolean needToPersist = false;
		Iterator<Map.Entry<DeviceFilter, UserPackage>> devicePreferenceIt = mDevicePreferenceMap
		@@ -277,6 +290,28 @@ class UsbProfileGroupSettingsManager {
		}
		}

		int numEntries = mDevicePreferenceDeniedMap.size();
		for (int i = 0; i < numEntries; i++) {
		ArraySet<UserPackage> userPackages = mDevicePreferenceDeniedMap.valueAt(i);
		for (int j = userPackages.size() - 1; j >= 0; j--) {
		if (userPackages.valueAt(j).user.equals(userToRemove)) {
		userPackages.removeAt(j);
		needToPersist = true;
		}
		}
		}

		numEntries = mAccessoryPreferenceDeniedMap.size();
		for (int i = 0; i < numEntries; i++) {
		ArraySet<UserPackage> userPackages = mAccessoryPreferenceDeniedMap.valueAt(i);
		for (int j = userPackages.size() - 1; j >= 0; j--) {
		if (userPackages.valueAt(j).user.equals(userToRemove)) {
		userPackages.removeAt(j);
		needToPersist = true;
		}
		}
		}

		if (needToPersist) {
		scheduleWriteSettingsLocked();
		}
		@@ -284,7 +319,7 @@ class UsbProfileGroupSettingsManager {
		}

		private void readPreference(XmlPullParser parser)
		throws XmlPullParserException, IOException {
		throws IOException, XmlPullParserException {
		String packageName = null;

		// If not set, assume it to be the parent profile
		@@ -317,6 +352,67 @@ class UsbProfileGroupSettingsManager {
		XmlUtils.nextElement(parser);
		}

		private void readPreferenceDeniedList(@NonNull XmlPullParser parser)
		throws IOException, XmlPullParserException {
		int outerDepth = parser.getDepth();
		if (!XmlUtils.nextElementWithin(parser, outerDepth)) {
		return;
		}

		if ("usb-device".equals(parser.getName())) {
		DeviceFilter filter = DeviceFilter.read(parser);
		while (XmlUtils.nextElementWithin(parser, outerDepth)) {
		if ("user-package".equals(parser.getName())) {
		try {
		int userId = XmlUtils.readIntAttribute(parser, "user");

		String packageName = XmlUtils.readStringAttribute(parser, "package");
		if (packageName == null) {
		Slog.e(TAG, "Unable to parse package name");
		}

		ArraySet<UserPackage> set = mDevicePreferenceDeniedMap.get(filter);
		if (set == null) {
		set = new ArraySet<>();
		mDevicePreferenceDeniedMap.put(filter, set);
		}
		set.add(new UserPackage(packageName, UserHandle.of(userId)));
		} catch (ProtocolException e) {
		Slog.e(TAG, "Unable to parse user id", e);
		}
		}
		}
		} else if ("usb-accessory".equals(parser.getName())) {
		AccessoryFilter filter = AccessoryFilter.read(parser);

		while (XmlUtils.nextElementWithin(parser, outerDepth)) {
		if ("user-package".equals(parser.getName())) {
		try {
		int userId = XmlUtils.readIntAttribute(parser, "user");

		String packageName = XmlUtils.readStringAttribute(parser, "package");
		if (packageName == null) {
		Slog.e(TAG, "Unable to parse package name");
		}

		ArraySet<UserPackage> set = mAccessoryPreferenceDeniedMap.get(filter);
		if (set == null) {
		set = new ArraySet<>();
		mAccessoryPreferenceDeniedMap.put(filter, set);
		}
		set.add(new UserPackage(packageName, UserHandle.of(userId)));
		} catch (ProtocolException e) {
		Slog.e(TAG, "Unable to parse user id", e);
		}
		}
		}
		}

		while (parser.getDepth() > outerDepth) {
		parser.nextTag(); // ignore unknown tags
		}
		}

		/**
		* Upgrade any single-user settings from {@link #sSingleUserSettingsFile}.
		* Should only be called by owner.
		@@ -373,6 +469,8 @@ class UsbProfileGroupSettingsManager {
		String tagName = parser.getName();
		if ("preference".equals(tagName)) {
		readPreference(parser);
		} else if ("preference-denied-list".equals(tagName)) {
		readPreferenceDeniedList(parser);
		} else {
		XmlUtils.nextElement(parser);
		}
		@@ -436,6 +534,46 @@ class UsbProfileGroupSettingsManager {
		serializer.endTag(null, "preference");
		}

		int numEntries = mDevicePreferenceDeniedMap.size();
		for (int i = 0; i < numEntries; i++) {
		DeviceFilter filter = mDevicePreferenceDeniedMap.keyAt(i);
		ArraySet<UserPackage> userPackageSet = mDevicePreferenceDeniedMap
		.valueAt(i);
		serializer.startTag(null, "preference-denied-list");
		filter.write(serializer);

		int numUserPackages = userPackageSet.size();
		for (int j = 0; j < numUserPackages; j++) {
		UserPackage userPackage = userPackageSet.valueAt(j);
		serializer.startTag(null, "user-package");
		serializer.attribute(null, "user",
		String.valueOf(getSerial(userPackage.user)));
		serializer.attribute(null, "package", userPackage.packageName);
		serializer.endTag(null, "user-package");
		}
		serializer.endTag(null, "preference-denied-list");
		}

		numEntries = mAccessoryPreferenceDeniedMap.size();
		for (int i = 0; i < numEntries; i++) {
		AccessoryFilter filter = mAccessoryPreferenceDeniedMap.keyAt(i);
		ArraySet<UserPackage> userPackageSet =
		mAccessoryPreferenceDeniedMap.valueAt(i);
		serializer.startTag(null, "preference-denied-list");
		filter.write(serializer);

		int numUserPackages = userPackageSet.size();
		for (int j = 0; j < numUserPackages; j++) {
		UserPackage userPackage = userPackageSet.valueAt(j);
		serializer.startTag(null, "user-package");
		serializer.attribute(null, "user",
		String.valueOf(getSerial(userPackage.user)));
		serializer.attribute(null, "package", userPackage.packageName);
		serializer.endTag(null, "user-package");
		}
		serializer.endTag(null, "preference-denied-list");
		}

		serializer.endTag(null, "settings");
		serializer.endDocument();

		@@ -834,6 +972,25 @@ class UsbProfileGroupSettingsManager {
		private void resolveActivity(@NonNull Intent intent, @NonNull ArrayList<ResolveInfo> matches,
		@Nullable ActivityInfo defaultActivity, @Nullable UsbDevice device,
		@Nullable UsbAccessory accessory) {
		// Remove all matches which are on the denied list
		ArraySet deniedPackages = null;
		if (device != null) {
		deniedPackages = mDevicePreferenceDeniedMap.get(new DeviceFilter(device));
		} else if (accessory != null) {
		deniedPackages = mAccessoryPreferenceDeniedMap.get(new AccessoryFilter(accessory));
		}
		if (deniedPackages != null) {
		for (int i = matches.size() - 1; i >= 0; i--) {
		ResolveInfo match = matches.get(i);
		String packageName = match.activityInfo.packageName;
		UserHandle user = UserHandle
		.getUserHandleForUid(match.activityInfo.applicationInfo.uid);
		if (deniedPackages.contains(new UserPackage(packageName, user))) {
		matches.remove(i);
		}
		}
		}

		// don't show the resolver activity if there are no choices available
		if (matches.size() == 0) {
		if (accessory != null) {
		@@ -1075,6 +1232,156 @@ class UsbProfileGroupSettingsManager {
		}
		}

		/**
		* Add package to the denied for handling a device
		*
		* @param device the device to add to the denied
		* @param packageNames the packages to not become handler
		* @param user the user
		*/
		void addDevicePackagesToDenied(@NonNull UsbDevice device, @NonNull String[] packageNames,
		@NonNull UserHandle user) {
		if (packageNames.length == 0) {
		return;
		}
		DeviceFilter filter = new DeviceFilter(device);

		synchronized (mLock) {
		ArraySet<UserPackage> userPackages;
		if (mDevicePreferenceDeniedMap.containsKey(filter)) {
		userPackages = mDevicePreferenceDeniedMap.get(filter);
		} else {
		userPackages = new ArraySet<>();
		mDevicePreferenceDeniedMap.put(filter, userPackages);
		}

		boolean shouldWrite = false;
		for (String packageName : packageNames) {
		UserPackage userPackage = new UserPackage(packageName, user);
		if (!userPackages.contains(userPackage)) {
		userPackages.add(userPackage);
		shouldWrite = true;
		}
		}

		if (shouldWrite) {
		scheduleWriteSettingsLocked();
		}
		}
		}

		/**
		* Add package to the denied for handling a accessory
		*
		* @param accessory the accessory to add to the denied
		* @param packageNames the packages to not become handler
		* @param user the user
		*/
		void addAccessoryPackagesToDenied(@NonNull UsbAccessory accessory,
		@NonNull String[] packageNames, @NonNull UserHandle user) {
		if (packageNames.length == 0) {
		return;
		}
		AccessoryFilter filter = new AccessoryFilter(accessory);

		synchronized (mLock) {
		ArraySet<UserPackage> userPackages;
		if (mAccessoryPreferenceDeniedMap.containsKey(filter)) {
		userPackages = mAccessoryPreferenceDeniedMap.get(filter);
		} else {
		userPackages = new ArraySet<>();
		mAccessoryPreferenceDeniedMap.put(filter, userPackages);
		}

		boolean shouldWrite = false;
		for (String packageName : packageNames) {
		UserPackage userPackage = new UserPackage(packageName, user);
		if (!userPackages.contains(userPackage)) {
		userPackages.add(userPackage);
		shouldWrite = true;
		}
		}

		if (shouldWrite) {
		scheduleWriteSettingsLocked();
		}
		}
		}

		/**
		* Remove UserPackage from the denied for handling a device
		*
		* @param device the device to remove denied packages from
		* @param packageName the packages to remove
		* @param user the user
		*/
		void removeDevicePackagesFromDenied(@NonNull UsbDevice device, @NonNull String[] packageNames,
		@NonNull UserHandle user) {
		DeviceFilter filter = new DeviceFilter(device);

		synchronized (mLock) {
		ArraySet<UserPackage> userPackages = mDevicePreferenceDeniedMap.get(filter);

		if (userPackages != null) {
		boolean shouldWrite = false;
		for (String packageName : packageNames) {
		UserPackage userPackage = new UserPackage(packageName, user);

		if (userPackages.contains(userPackage)) {
		userPackages.remove(userPackage);
		shouldWrite = true;

		if (userPackages.size() == 0) {
		mDevicePreferenceDeniedMap.remove(filter);
		break;
		}
		}
		}

		if (shouldWrite) {
		scheduleWriteSettingsLocked();
		}
		}
		}
		}

		/**
		* Remove UserPackage from the denied for handling a accessory
		*
		* @param accessory the accessory to remove denied packages from
		* @param packageName the packages to remove
		* @param user the user
		*/
		void removeAccessoryPackagesFromDenied(@NonNull UsbAccessory accessory,
		@NonNull String[] packageNames, @NonNull UserHandle user) {
		AccessoryFilter filter = new AccessoryFilter(accessory);

		synchronized (mLock) {
		ArraySet<UserPackage> userPackages = mAccessoryPreferenceDeniedMap.get(filter);

		if (userPackages != null) {
		boolean shouldWrite = false;
		for (String packageName : packageNames) {
		UserPackage userPackage = new UserPackage(packageName, user);

		if (userPackages.contains(userPackage)) {
		userPackages.remove(userPackage);
		shouldWrite = true;

		if (userPackages.size() == 0) {
		mAccessoryPreferenceDeniedMap.remove(filter);
		break;
		}
		}
		}

		if (shouldWrite) {
		scheduleWriteSettingsLocked();
		}
		}
		}
		}

		/**
		* Set a package as default handler for a accessory.
		*

services/usb/java/com/android/server/usb/UsbService.java

+72 −0

Original line number	Diff line number	Diff line
		@@ -360,6 +360,78 @@ public class UsbService extends IUsbManager.Stub {
		}
		}

		@Override
		public void addDevicePackagesToPreferenceDenied(UsbDevice device, String[] packageNames,
		UserHandle user) {
		device = Preconditions.checkNotNull(device);
		packageNames = Preconditions.checkArrayElementsNotNull(packageNames, "packageNames");
		user = Preconditions.checkNotNull(user);

		mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);

		final long token = Binder.clearCallingIdentity();
		try {
		mSettingsManager.getSettingsForProfileGroup(user)
		.addDevicePackagesToDenied(device, packageNames, user);
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		}

		@Override
		public void addAccessoryPackagesToPreferenceDenied(UsbAccessory accessory,
		String[] packageNames, UserHandle user) {
		accessory = Preconditions.checkNotNull(accessory);
		packageNames = Preconditions.checkArrayElementsNotNull(packageNames, "packageNames");
		user = Preconditions.checkNotNull(user);

		mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);

		final long token = Binder.clearCallingIdentity();
		try {
		mSettingsManager.getSettingsForProfileGroup(user)
		.addAccessoryPackagesToDenied(accessory, packageNames, user);
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		}

		@Override
		public void removeDevicePackagesFromPreferenceDenied(UsbDevice device, String[] packageNames,
		UserHandle user) {
		device = Preconditions.checkNotNull(device);
		packageNames = Preconditions.checkArrayElementsNotNull(packageNames, "packageNames");
		user = Preconditions.checkNotNull(user);

		mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);

		final long token = Binder.clearCallingIdentity();
		try {
		mSettingsManager.getSettingsForProfileGroup(user)
		.removeDevicePackagesFromDenied(device, packageNames, user);
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		}

		@Override
		public void removeAccessoryPackagesFromPreferenceDenied(UsbAccessory accessory,
		String[] packageNames, UserHandle user) {
		accessory = Preconditions.checkNotNull(accessory);
		packageNames = Preconditions.checkArrayElementsNotNull(packageNames, "packageNames");
		user = Preconditions.checkNotNull(user);

		mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);

		final long token = Binder.clearCallingIdentity();
		try {
		mSettingsManager.getSettingsForProfileGroup(user)
		.removeAccessoryPackagesFromDenied(accessory, packageNames, user);
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		}

		@Override
		public void setDevicePersistentPermission(UsbDevice device, int uid, UserHandle user,
		boolean shouldBeGranted) {

services/usb/java/com/android/server/usb/UsbSettingsManager.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -130,7 +130,7 @@ class UsbSettingsManager {
		// it from all profile groups.
		int numProfileGroups = mSettingsByProfileGroup.size();
		for (int i = 0; i < numProfileGroups; i++) {
		mSettingsByProfileGroup.valueAt(i).removeAllDefaultsForUser(userToRemove);
		mSettingsByProfileGroup.valueAt(i).removeUser(userToRemove);
		}
		}
		}