Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a3abca90 authored by Dianne Hackborn's avatar Dianne Hackborn Committed by Android (Google) Code Review
Browse files

Merge "Issue #10461551: KLP API Review: AppOpsManager" into klp-dev

parents f9b70ab8 9bb0ee91
Loading
Loading
Loading
Loading
+15 −19
Original line number Diff line number Diff line
@@ -3167,31 +3167,27 @@ package android.app {
  }
  public class AppOpsManager {
    method public int checkOp(int, int, java.lang.String);
    method public int checkOpNoThrow(int, int, java.lang.String);
    method public int checkOp(java.lang.String, int, java.lang.String);
    method public int checkOpNoThrow(java.lang.String, int, java.lang.String);
    method public void checkPackage(int, java.lang.String);
    method public void finishOp(int, int, java.lang.String);
    method public void finishOp(int);
    method public int noteOp(int, int, java.lang.String);
    method public int noteOpNoThrow(int, int, java.lang.String);
    method public static java.lang.String opToName(int);
    method public int startOp(int, int, java.lang.String);
    method public int startOpNoThrow(int, int, java.lang.String);
    method public void startWatchingMode(int, java.lang.String, android.app.AppOpsManager.Callback);
    method public void stopWatchingMode(android.app.AppOpsManager.Callback);
    method public void finishOp(java.lang.String, int, java.lang.String);
    method public int noteOp(java.lang.String, int, java.lang.String);
    method public int noteOpNoThrow(java.lang.String, int, java.lang.String);
    method public int startOp(java.lang.String, int, java.lang.String);
    method public int startOpNoThrow(java.lang.String, int, java.lang.String);
    method public void startWatchingMode(int, java.lang.String, android.app.AppOpsManager.OnOpChangedListener);
    method public void stopWatchingMode(android.app.AppOpsManager.OnOpChangedListener);
    field public static final int MODE_ALLOWED = 0; // 0x0
    field public static final int MODE_ERRORED = 2; // 0x2
    field public static final int MODE_IGNORED = 1; // 0x1
    field public static final int OP_COARSE_LOCATION = 0; // 0x0
    field public static final int OP_FINE_LOCATION = 1; // 0x1
    field public static final int OP_GPS = 2; // 0x2
    field public static final int OP_MONITOR_HIGH_POWER_LOCATION = 42; // 0x2a
    field public static final int OP_MONITOR_LOCATION = 41; // 0x29
    field public static final int OP_NONE = -1; // 0xffffffff
    field public static final java.lang.String OPSTR_COARSE_LOCATION = "android:coarse_location";
    field public static final java.lang.String OPSTR_FINE_LOCATION = "android:fine_location";
    field public static final java.lang.String OPSTR_MONITOR_HIGH_POWER_LOCATION = "android:monitor_location_high_power";
    field public static final java.lang.String OPSTR_MONITOR_LOCATION = "android:monitor_location";
  }
  public static abstract interface AppOpsManager.Callback {
    method public abstract void opChanged(int, java.lang.String);
  public static abstract interface AppOpsManager.OnOpChangedListener {
    method public abstract void onOpChanged(java.lang.String, java.lang.String);
  }
  public class Application extends android.content.ContextWrapper implements android.content.ComponentCallbacks2 {
+275 −31
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ import com.android.internal.app.IAppOpsService;
import com.android.internal.app.IAppOpsCallback;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.content.Context;
@@ -32,50 +33,76 @@ import android.os.Process;
import android.os.RemoteException;

/**
 * API for interacting with "application operation" tracking.  Allows you to:
 * API for interacting with "application operation" tracking.
 *
 * <p>This API is not generally intended for third party application developers; most
 * features are only available to system applicatins.  Obtain an instance of it through
 * {@link Context#getSystemService(String) Context.getSystemService} with
 * {@link Context#APP_OPS_SERVICE Context.APP_OPS_SERVICE}.</p>
 */
public class AppOpsManager {
    /**
     * <p>App ops allows callers to:</p>
     *
     * <ul>
     * <li> Note when operations are happening, and find out if they are allowed for the current
     * caller.</li>
     * <li> Disallow specific apps from doing specific operations.</li>
 * <li> Collect all of the current information about operations that have been executed or are not
 * being allowed.</li>
     * <li> Collect all of the current information about operations that have been executed or
     * are not being allowed.</li>
     * <li> Monitor for changes in whether an operation is allowed.</li>
     * </ul>
     *
     * <p>Each operation is identified by a single integer; these integers are a fixed set of
     * operations, enumerated by the OP_* constants.
     *
 * <p></p>When checking operations, the result is a "mode" integer indicating the current setting
 * for the operation under that caller: MODE_ALLOWED, MODE_IGNORED (don't execute the operation but
 * fake its behavior enough so that the caller doesn't crash), MODE_ERRORED (through a
 * SecurityException back to the caller; the normal operation calls will do this for you).
     * <p></p>When checking operations, the result is a "mode" integer indicating the current
     * setting for the operation under that caller: MODE_ALLOWED, MODE_IGNORED (don't execute
     * the operation but fake its behavior enough so that the caller doesn't crash),
     * MODE_ERRORED (throw a SecurityException back to the caller; the normal operation calls
     * will do this for you).
     */
public class AppOpsManager {

    final Context mContext;
    final IAppOpsService mService;
    final ArrayMap<Callback, IAppOpsCallback> mModeWatchers
            = new ArrayMap<Callback, IAppOpsCallback>();
    final ArrayMap<OnOpChangedListener, IAppOpsCallback> mModeWatchers
            = new ArrayMap<OnOpChangedListener, IAppOpsCallback>();

    static IBinder sToken;

    /**
     * Result from {@link #checkOp}, {@link #noteOp}, {@link #startOp}: the given caller is
     * allowed to perform the given operation.
     */
    public static final int MODE_ALLOWED = 0;

    /**
     * Result from {@link #checkOp}, {@link #noteOp}, {@link #startOp}: the given caller is
     * not allowed to perform the given operation, and this attempt should
     * <em>silently fail</em> (it should not cause the app to crash).
     */
    public static final int MODE_IGNORED = 1;

    /**
     * Result from {@link #checkOpNoThrow}, {@link #noteOpNoThrow}, {@link #startOpNoThrow}: the
     * given caller is not allowed to perform the given operation, and this attempt should
     * cause it to have a fatal error, typically a {@link SecurityException}.
     */
    public static final int MODE_ERRORED = 2;

    // when adding one of these:
    //  - increment _NUM_OP
    //  - add rows to sOpToSwitch, sOpNames, sOpPerms, sOpDefaultMode
    //  - add rows to sOpToSwitch, sOpToString, sOpNames, sOpPerms, sOpDefaultMode
    //  - add descriptive strings to Settings/res/values/arrays.xml
    //  - add the op to the appropriate template in AppOpsState.OpsTemplate (settings app)

    /** No operation specified. */
    /** @hide No operation specified. */
    public static final int OP_NONE = -1;
    /** Access to coarse location information. */
    /** @hide Access to coarse location information. */
    public static final int OP_COARSE_LOCATION = 0;
    /** Access to fine location information. */
    /** @hide Access to fine location information. */
    public static final int OP_FINE_LOCATION = 1;
    /** Causing GPS to run. */
    /** @hide Causing GPS to run. */
    public static final int OP_GPS = 2;
    /** @hide */
    public static final int OP_VIBRATE = 3;
@@ -153,13 +180,26 @@ public class AppOpsManager {
    public static final int OP_AUDIO_BLUETOOTH_VOLUME = 39;
    /** @hide */
    public static final int OP_WAKE_LOCK = 40;
    /** Continually monitoring location data. */
    /** @hide Continually monitoring location data. */
    public static final int OP_MONITOR_LOCATION = 41;
    /** Continually monitoring location data with a relatively high power request. */
    /** @hide Continually monitoring location data with a relatively high power request. */
    public static final int OP_MONITOR_HIGH_POWER_LOCATION = 42;
    /** @hide */
    public static final int _NUM_OP = 43;

    /** Access to coarse location information. */
    public static final String OPSTR_COARSE_LOCATION =
            "android:coarse_location";
    /** Access to fine location information. */
    public static final String OPSTR_FINE_LOCATION =
            "android:fine_location";
    /** Continually monitoring location data. */
    public static final String OPSTR_MONITOR_LOCATION
            = "android:monitor_location";
    /** Continually monitoring location data with a relatively high power request. */
    public static final String OPSTR_MONITOR_HIGH_POWER_LOCATION
            = "android:monitor_location_high_power";

    /**
     * This maps each operation to the operation that serves as the
     * switch to determine whether it is allowed.  Generally this is
@@ -214,6 +254,56 @@ public class AppOpsManager {
            OP_COARSE_LOCATION,
    };

    /**
     * This maps each operation to the public string constant for it.
     * If it doesn't have a public string constant, it maps to null.
     */
    private static String[] sOpToString = new String[] {
            OPSTR_COARSE_LOCATION,
            OPSTR_FINE_LOCATION,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            OPSTR_MONITOR_LOCATION,
            OPSTR_MONITOR_HIGH_POWER_LOCATION,
    };

    /**
     * This provides a simple name for each operation to be used
     * in debug output.
@@ -363,6 +453,36 @@ public class AppOpsManager {
            AppOpsManager.MODE_ALLOWED,
    };

    private static HashMap<String, Integer> sOpStrToOp = new HashMap<String, Integer>();

    static {
        if (sOpToSwitch.length != _NUM_OP) {
            throw new IllegalStateException("sOpStringLength " + sOpToSwitch.length
                    + " should be " + _NUM_OP);
        }
        if (sOpToString.length != _NUM_OP) {
            throw new IllegalStateException("sOpStringLength " + sOpToString.length
                    + " should be " + _NUM_OP);
        }
        if (sOpNames.length != _NUM_OP) {
            throw new IllegalStateException("sOpStringLength " + sOpNames.length
                    + " should be " + _NUM_OP);
        }
        if (sOpPerms.length != _NUM_OP) {
            throw new IllegalStateException("sOpStringLength " + sOpPerms.length
                    + " should be " + _NUM_OP);
        }
        if (sOpDefaultMode.length != _NUM_OP) {
            throw new IllegalStateException("sOpStringLength " + sOpDefaultMode.length
                    + " should be " + _NUM_OP);
        }
        for (int i=0; i<_NUM_OP; i++) {
            if (sOpToString[i] != null) {
                sOpStrToOp.put(sOpToString[i], i);
            }
        }
    }

    /**
     * Retrieve the op switch that controls the given operation.
     * @hide
@@ -373,6 +493,7 @@ public class AppOpsManager {

    /**
     * Retrieve a non-localized name for the operation, for debugging output.
     * @hide
     */
    public static String opToName(int op) {
        if (op == OP_NONE) return "NONE";
@@ -537,8 +658,18 @@ public class AppOpsManager {
    /**
     * Callback for notification of changes to operation state.
     */
    public interface Callback {
        public void opChanged(int op, String packageName);
    public interface OnOpChangedListener {
        public void onOpChanged(String op, String packageName);
    }

    /**
     * Callback for notification of changes to operation state.
     * This allows you to see the raw op codes instead of strings.
     * @hide
     */
    public static class OnOpChangedInternalListener implements OnOpChangedListener {
        public void onOpChanged(String op, String packageName) { }
        public void onOpChanged(int op, String packageName) { }
    }

    AppOpsManager(Context context, IAppOpsService service) {
@@ -598,13 +729,18 @@ public class AppOpsManager {
     * @param packageName The name of the application to monitor.
     * @param callback Where to report changes.
     */
    public void startWatchingMode(int op, String packageName, final Callback callback) {
    public void startWatchingMode(int op, String packageName, final OnOpChangedListener callback) {
        synchronized (mModeWatchers) {
            IAppOpsCallback cb = mModeWatchers.get(callback);
            if (cb == null) {
                cb = new IAppOpsCallback.Stub() {
                    public void opChanged(int op, String packageName) {
                        callback.opChanged(op, packageName);
                        if (callback instanceof OnOpChangedInternalListener) {
                            ((OnOpChangedInternalListener)callback).onOpChanged(op, packageName);
                        }
                        if (sOpToString[op] != null) {
                            callback.onOpChanged(sOpToString[op], packageName);
                        }
                    }
                };
                mModeWatchers.put(callback, cb);
@@ -620,7 +756,7 @@ public class AppOpsManager {
     * Stop monitoring that was previously started with {@link #startWatchingMode}.  All
     * monitoring associated with this callback will be removed.
     */
    public void stopWatchingMode(Callback callback) {
    public void stopWatchingMode(OnOpChangedListener callback) {
        synchronized (mModeWatchers) {
            IAppOpsCallback cb = mModeWatchers.get(callback);
            if (cb != null) {
@@ -636,6 +772,106 @@ public class AppOpsManager {
        return packageName + " from uid " + uid + " not allowed to perform " + sOpNames[op];
    }

    private int strOpToOp(String op) {
        Integer val = sOpStrToOp.get(op);
        if (val == null) {
            throw new IllegalArgumentException("Unknown operation string: " + op);
        }
        return val;
    }

    /**
     * Do a quick check for whether an application might be able to perform an operation.
     * This is <em>not</em> a security check; you must use {@link #noteOp(String, int, String)}
     * or {@link #startOp(String, int, String)} for your actual security checks, which also
     * ensure that the given uid and package name are consistent.  This function can just be
     * used for a quick check to see if an operation has been disabled for the application,
     * as an early reject of some work.  This does not modify the time stamp or other data
     * about the operation.
     * @param op The operation to check.  One of the OPSTR_* constants.
     * @param uid The user id of the application attempting to perform the operation.
     * @param packageName The name of the application attempting to perform the operation.
     * @return Returns {@link #MODE_ALLOWED} if the operation is allowed, or
     * {@link #MODE_IGNORED} if it is not allowed and should be silently ignored (without
     * causing the app to crash).
     * @throws SecurityException If the app has been configured to crash on this op.
     */
    public int checkOp(String op, int uid, String packageName) {
        return checkOp(strOpToOp(op), uid, packageName);
    }

    /**
     * Like {@link #checkOp but instead of throwing a {@link SecurityException} it
     * returns {@link #MODE_ERRORED}.
     */
    public int checkOpNoThrow(String op, int uid, String packageName) {
        return checkOpNoThrow(strOpToOp(op), uid, packageName);
    }

    /**
     * Make note of an application performing an operation.  Note that you must pass
     * in both the uid and name of the application to be checked; this function will verify
     * that these two match, and if not, return {@link #MODE_IGNORED}.  If this call
     * succeeds, the last execution time of the operation for this app will be updated to
     * the current time.
     * @param op The operation to note.  One of the OPSTR_* constants.
     * @param uid The user id of the application attempting to perform the operation.
     * @param packageName The name of the application attempting to perform the operation.
     * @return Returns {@link #MODE_ALLOWED} if the operation is allowed, or
     * {@link #MODE_IGNORED} if it is not allowed and should be silently ignored (without
     * causing the app to crash).
     * @throws SecurityException If the app has been configured to crash on this op.
     */
    public int noteOp(String op, int uid, String packageName) {
        return noteOp(strOpToOp(op), uid, packageName);
    }

    /**
     * Like {@link #noteOp} but instead of throwing a {@link SecurityException} it
     * returns {@link #MODE_ERRORED}.
     */
    public int noteOpNoThrow(String op, int uid, String packageName) {
        return noteOpNoThrow(strOpToOp(op), uid, packageName);
    }

    /**
     * Report that an application has started executing a long-running operation.  Note that you
     * must pass in both the uid and name of the application to be checked; this function will
     * verify that these two match, and if not, return {@link #MODE_IGNORED}.  If this call
     * succeeds, the last execution time of the operation for this app will be updated to
     * the current time and the operation will be marked as "running".  In this case you must
     * later call {@link #finishOp(String, int, String)} to report when the application is no
     * longer performing the operation.
     * @param op The operation to start.  One of the OPSTR_* constants.
     * @param uid The user id of the application attempting to perform the operation.
     * @param packageName The name of the application attempting to perform the operation.
     * @return Returns {@link #MODE_ALLOWED} if the operation is allowed, or
     * {@link #MODE_IGNORED} if it is not allowed and should be silently ignored (without
     * causing the app to crash).
     * @throws SecurityException If the app has been configured to crash on this op.
     */
    public int startOp(String op, int uid, String packageName) {
        return startOp(strOpToOp(op), uid, packageName);
    }

    /**
     * Like {@link #startOp} but instead of throwing a {@link SecurityException} it
     * returns {@link #MODE_ERRORED}.
     */
    public int startOpNoThrow(String op, int uid, String packageName) {
        return startOpNoThrow(strOpToOp(op), uid, packageName);
    }

    /**
     * Report that an application is no longer performing an operation that had previously
     * been started with {@link #startOp(String, int, String)}.  There is no validation of input
     * or result; the parameters supplied here must be the exact same ones previously passed
     * in when starting the operation.
     */
    public void finishOp(String op, int uid, String packageName) {
        finishOp(strOpToOp(op), uid, packageName);
    }

    /**
     * Do a quick check for whether an application might be able to perform an operation.
     * This is <em>not</em> a security check; you must use {@link #noteOp(int, int, String)}
@@ -651,6 +887,7 @@ public class AppOpsManager {
     * {@link #MODE_IGNORED} if it is not allowed and should be silently ignored (without
     * causing the app to crash).
     * @throws SecurityException If the app has been configured to crash on this op.
     * @hide
     */
    public int checkOp(int op, int uid, String packageName) {
        try {
@@ -667,6 +904,7 @@ public class AppOpsManager {
    /**
     * Like {@link #checkOp} but instead of throwing a {@link SecurityException} it
     * returns {@link #MODE_ERRORED}.
     * @hide
     */
    public int checkOpNoThrow(int op, int uid, String packageName) {
        try {
@@ -706,6 +944,7 @@ public class AppOpsManager {
     * {@link #MODE_IGNORED} if it is not allowed and should be silently ignored (without
     * causing the app to crash).
     * @throws SecurityException If the app has been configured to crash on this op.
     * @hide
     */
    public int noteOp(int op, int uid, String packageName) {
        try {
@@ -722,6 +961,7 @@ public class AppOpsManager {
    /**
     * Like {@link #noteOp} but instead of throwing a {@link SecurityException} it
     * returns {@link #MODE_ERRORED}.
     * @hide
     */
    public int noteOpNoThrow(int op, int uid, String packageName) {
        try {
@@ -766,6 +1006,7 @@ public class AppOpsManager {
     * {@link #MODE_IGNORED} if it is not allowed and should be silently ignored (without
     * causing the app to crash).
     * @throws SecurityException If the app has been configured to crash on this op.
     * @hide
     */
    public int startOp(int op, int uid, String packageName) {
        try {
@@ -782,6 +1023,7 @@ public class AppOpsManager {
    /**
     * Like {@link #startOp} but instead of throwing a {@link SecurityException} it
     * returns {@link #MODE_ERRORED}.
     * @hide
     */
    public int startOpNoThrow(int op, int uid, String packageName) {
        try {
@@ -801,6 +1043,7 @@ public class AppOpsManager {
     * been started with {@link #startOp(int, int, String)}.  There is no validation of input
     * or result; the parameters supplied here must be the exact same ones previously passed
     * in when starting the operation.
     * @hide
     */
    public void finishOp(int op, int uid, String packageName) {
        try {
@@ -809,6 +1052,7 @@ public class AppOpsManager {
        }
    }

    /** @hide */
    public void finishOp(int op) {
        finishOp(op, Process.myUid(), mContext.getOpPackageName());
    }
+3 −2
Original line number Diff line number Diff line
@@ -223,8 +223,9 @@ public class LocationManagerService extends ILocationManager.Stub {
            mGeofenceManager = new GeofenceManager(mContext, mBlacklist);

            // Monitor for app ops mode changes.
            AppOpsManager.Callback callback = new AppOpsManager.Callback() {
                public void opChanged(int op, String packageName) {
            AppOpsManager.OnOpChangedListener callback
                    = new AppOpsManager.OnOpChangedInternalListener() {
                public void onOpChanged(int op, String packageName) {
                    synchronized (mLock) {
                        for (Receiver receiver : mReceivers.values()) {
                            receiver.updateMonitoring(true);
+2 −2
Original line number Diff line number Diff line
@@ -754,9 +754,9 @@ public class WindowManagerService extends IWindowManager.Stub
        mBatteryStats = BatteryStatsService.getService();
        mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
        mAppOps.startWatchingMode(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, null,
                new AppOpsManager.Callback() {
                new AppOpsManager.OnOpChangedInternalListener() {
                    @Override
                    public void opChanged(int op, String packageName) {
                    public void onOpChanged(int op, String packageName) {
                        updateAppOpsState();
                    }
                }