Teach print manager services about user profiles. (04533dd3) · Commits · e / os / android_frameworks_base

services/print/java/com/android/server/print/PrintManagerService.java

+116 −9

Original line number	Original line	Diff line number	Diff line
	@@ -28,6 +28,7 @@ import android.content.IntentFilter;
	import android.content.pm.PackageManager;		import android.content.pm.PackageManager;
	import android.content.pm.ResolveInfo;		import android.content.pm.ResolveInfo;
	import android.content.pm.ServiceInfo;		import android.content.pm.ServiceInfo;
			import android.content.pm.UserInfo;
	import android.database.ContentObserver;		import android.database.ContentObserver;
	import android.net.Uri;		import android.net.Uri;
	import android.os.Binder;		import android.os.Binder;
	@@ -35,6 +36,7 @@ import android.os.Bundle;
	import android.os.Process;		import android.os.Process;
	import android.os.RemoteException;		import android.os.RemoteException;
	import android.os.UserHandle;		import android.os.UserHandle;
			import android.os.UserManager;
	import android.print.IPrintDocumentAdapter;		import android.print.IPrintDocumentAdapter;
	import android.print.IPrintJobStateChangeListener;		import android.print.IPrintJobStateChangeListener;
	import android.print.IPrintManager;		import android.print.IPrintManager;
	@@ -91,18 +93,23 @@ public final class PrintManagerService extends SystemService {
	private static final String EXTRA_PRINT_SERVICE_COMPONENT_NAME =		private static final String EXTRA_PRINT_SERVICE_COMPONENT_NAME =
	"EXTRA_PRINT_SERVICE_COMPONENT_NAME";		"EXTRA_PRINT_SERVICE_COMPONENT_NAME";

			private static final int BACKGROUND_USER_ID = -10;

	private final Object mLock = new Object();		private final Object mLock = new Object();

	private final Context mContext;		private final Context mContext;

			private final UserManager mUserManager;

	private final SparseArray<UserState> mUserStates = new SparseArray<UserState>();		private final SparseArray<UserState> mUserStates = new SparseArray<UserState>();

	private int mCurrentUserId = UserHandle.USER_OWNER;		private int mCurrentUserId = UserHandle.USER_OWNER;

	PrintManagerImpl(Context context) {		PrintManagerImpl(Context context) {
	mContext = context;		mContext = context;
			mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
	registerContentObservers();		registerContentObservers();
	registerBoradcastReceivers();		registerBroadcastReceivers();
	}		}

	public void systemRunning() {		public void systemRunning() {
	@@ -125,11 +132,17 @@ public final class PrintManagerService extends SystemService {
	@Override		@Override
	public Bundle print(String printJobName, IPrintDocumentAdapter adapter,		public Bundle print(String printJobName, IPrintDocumentAdapter adapter,
	PrintAttributes attributes, String packageName, int appId, int userId) {		PrintAttributes attributes, String packageName, int appId, int userId) {
	final int resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	String resolvedPackageName = resolveCallingPackageNameEnforcingSecurity(packageName);		final int resolvedAppId;
	final UserState userState;		final UserState userState;
			final String resolvedPackageName;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can start new print jobs.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return null;
			}
			resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
			resolvedPackageName = resolveCallingPackageNameEnforcingSecurity(packageName);
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -143,10 +156,15 @@ public final class PrintManagerService extends SystemService {

	@Override		@Override
	public List<PrintJobInfo> getPrintJobInfos(int appId, int userId) {		public List<PrintJobInfo> getPrintJobInfos(int appId, int userId) {
	final int resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
			final int resolvedAppId;
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can query for state of print jobs.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return null;
			}
			resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -159,10 +177,15 @@ public final class PrintManagerService extends SystemService {

	@Override		@Override
	public PrintJobInfo getPrintJobInfo(PrintJobId printJobId, int appId, int userId) {		public PrintJobInfo getPrintJobInfo(PrintJobId printJobId, int appId, int userId) {
	final int resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
			final int resolvedAppId;
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can query for state of a print job.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return null;
			}
			resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -175,10 +198,15 @@ public final class PrintManagerService extends SystemService {

	@Override		@Override
	public void cancelPrintJob(PrintJobId printJobId, int appId, int userId) {		public void cancelPrintJob(PrintJobId printJobId, int appId, int userId) {
	final int resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
			final int resolvedAppId;
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can cancel a print job.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
			resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -191,10 +219,15 @@ public final class PrintManagerService extends SystemService {

	@Override		@Override
	public void restartPrintJob(PrintJobId printJobId, int appId, int userId) {		public void restartPrintJob(PrintJobId printJobId, int appId, int userId) {
	final int resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
			final int resolvedAppId;
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can restart a print job.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
			resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -210,6 +243,10 @@ public final class PrintManagerService extends SystemService {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can get enabled services.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return null;
			}
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -225,6 +262,10 @@ public final class PrintManagerService extends SystemService {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can get installed services.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return null;
			}
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -241,6 +282,10 @@ public final class PrintManagerService extends SystemService {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can create a discovery session.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -257,6 +302,10 @@ public final class PrintManagerService extends SystemService {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can destroy a discovery session.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -273,6 +322,10 @@ public final class PrintManagerService extends SystemService {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can start discovery.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -288,6 +341,10 @@ public final class PrintManagerService extends SystemService {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can stop discovery.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -303,6 +360,10 @@ public final class PrintManagerService extends SystemService {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can validate printers.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -318,6 +379,10 @@ public final class PrintManagerService extends SystemService {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can start printer tracking.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -333,6 +398,10 @@ public final class PrintManagerService extends SystemService {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can stop printer tracking.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -347,9 +416,14 @@ public final class PrintManagerService extends SystemService {
	public void addPrintJobStateChangeListener(IPrintJobStateChangeListener listener,		public void addPrintJobStateChangeListener(IPrintJobStateChangeListener listener,
	int appId, int userId) throws RemoteException {		int appId, int userId) throws RemoteException {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final int resolvedAppId = resolveCallingAppEnforcingPermissions(appId);		final int resolvedAppId;
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can add a print job listener.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
			resolvedAppId = resolveCallingAppEnforcingPermissions(appId);
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -366,6 +440,10 @@ public final class PrintManagerService extends SystemService {
	final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);		final int resolvedUserId = resolveCallingUserEnforcingPermissions(userId);
	final UserState userState;		final UserState userState;
	synchronized (mLock) {		synchronized (mLock) {
			// Only the current group members can remove a print job listener.
			if (resolveCallingProfileParentLocked(resolvedUserId) != mCurrentUserId) {
			return;
			}
	userState = getOrCreateUserStateLocked(resolvedUserId);		userState = getOrCreateUserStateLocked(resolvedUserId);
	}		}
	final long identity = Binder.clearCallingIdentity();		final long identity = Binder.clearCallingIdentity();
	@@ -421,11 +499,14 @@ public final class PrintManagerService extends SystemService {
	false, observer, UserHandle.USER_ALL);		false, observer, UserHandle.USER_ALL);
	}		}

	private void registerBoradcastReceivers() {		private void registerBroadcastReceivers() {
	PackageMonitor monitor = new PackageMonitor() {		PackageMonitor monitor = new PackageMonitor() {
	@Override		@Override
	public void onPackageModified(String packageName) {		public void onPackageModified(String packageName) {
	synchronized (mLock) {		synchronized (mLock) {
			// A background user/profile's print jobs are running but there is
			// no UI shown. Hence, if the packages of such a user change we need
			// to handle it as the change may affect ongoing print jobs.
	boolean servicesChanged = false;		boolean servicesChanged = false;
	UserState userState = getOrCreateUserStateLocked(getChangingUserId());		UserState userState = getOrCreateUserStateLocked(getChangingUserId());
	Iterator<ComponentName> iterator = userState.getEnabledServices().iterator();		Iterator<ComponentName> iterator = userState.getEnabledServices().iterator();
	@@ -444,6 +525,9 @@ public final class PrintManagerService extends SystemService {
	@Override		@Override
	public void onPackageRemoved(String packageName, int uid) {		public void onPackageRemoved(String packageName, int uid) {
	synchronized (mLock) {		synchronized (mLock) {
			// A background user/profile's print jobs are running but there is
			// no UI shown. Hence, if the packages of such a user change we need
			// to handle it as the change may affect ongoing print jobs.
	boolean servicesRemoved = false;		boolean servicesRemoved = false;
	UserState userState = getOrCreateUserStateLocked(getChangingUserId());		UserState userState = getOrCreateUserStateLocked(getChangingUserId());
	Iterator<ComponentName> iterator = userState.getEnabledServices().iterator();		Iterator<ComponentName> iterator = userState.getEnabledServices().iterator();
	@@ -467,6 +551,9 @@ public final class PrintManagerService extends SystemService {
	public boolean onHandleForceStop(Intent intent, String[] stoppedPackages,		public boolean onHandleForceStop(Intent intent, String[] stoppedPackages,
	int uid, boolean doit) {		int uid, boolean doit) {
	synchronized (mLock) {		synchronized (mLock) {
			// A background user/profile's print jobs are running but there is
			// no UI shown. Hence, if the packages of such a user change we need
			// to handle it as the change may affect ongoing print jobs.
	UserState userState = getOrCreateUserStateLocked(getChangingUserId());		UserState userState = getOrCreateUserStateLocked(getChangingUserId());
	boolean stoppedSomePackages = false;		boolean stoppedSomePackages = false;
	Iterator<ComponentName> iterator = userState.getEnabledServices()		Iterator<ComponentName> iterator = userState.getEnabledServices()
	@@ -493,6 +580,9 @@ public final class PrintManagerService extends SystemService {

	@Override		@Override
	public void onPackageAdded(String packageName, int uid) {		public void onPackageAdded(String packageName, int uid) {
			// A background user/profile's print jobs are running but there is
			// no UI shown. Hence, if the packages of such a user change we need
			// to handle it as the change may affect ongoing print jobs.
	Intent intent = new Intent(android.printservice.PrintService.SERVICE_INTERFACE);		Intent intent = new Intent(android.printservice.PrintService.SERVICE_INTERFACE);
	intent.setPackage(packageName);		intent.setPackage(packageName);

	@@ -596,6 +686,23 @@ public final class PrintManagerService extends SystemService {
	}		}
	}		}

			private int resolveCallingProfileParentLocked(int userId) {
			if (userId != mCurrentUserId) {
			final long identity = Binder.clearCallingIdentity();
			try {
			UserInfo parent = mUserManager.getProfileParent(userId);
			if (parent != null) {
			return parent.getUserHandle().getIdentifier();
			} else {
			return BACKGROUND_USER_ID;
			}
			} finally {
			Binder.restoreCallingIdentity(identity);
			}
			}
			return userId;
			}

	private int resolveCallingAppEnforcingPermissions(int appId) {		private int resolveCallingAppEnforcingPermissions(int appId) {
	final int callingUid = Binder.getCallingUid();		final int callingUid = Binder.getCallingUid();
	if (callingUid == 0 \|\| callingUid == Process.SYSTEM_UID		if (callingUid == 0 \|\| callingUid == Process.SYSTEM_UID