LineageOS/android_packages_modules_Connectivity
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Merge "ConnectivityManager: improve argument validation"

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This commit is contained in:
Treehugger Robot
2017-05-23 03:14:29 +00:00
committed by Gerrit Code Review
parent 37c09c96b9 bc1104b465
commit 3ca6c89b37
1 changed files with 25 additions and 27 deletions
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52
core/java/android/net/ConnectivityManager.java
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@@ -1466,9 +1466,7 @@ public class ConnectivityManager {
// Map from type to transports.
final int NOT_FOUND = -1;
final int transport = sLegacyTypeToTransport.get(type, NOT_FOUND);
if (transport == NOT_FOUND) {
throw new IllegalArgumentException("unknown legacy type: " + type);
}
Preconditions.checkArgument(transport != NOT_FOUND, "unknown legacy type: " + type);
nc.addTransportType(transport);
// Map from type to capabilities.
@@ -1814,9 +1812,7 @@ public class ConnectivityManager {
*/
public void removeDefaultNetworkActiveListener(OnNetworkActiveListener l) {
INetworkActivityListener rl = mNetworkActivityListeners.get(l);
if (rl == null) {
throw new IllegalArgumentException("Listener not registered: " + l);
}
Preconditions.checkArgument(rl != null, "Listener was not registered.");
try {
getNetworkManagementService().unregisterNetworkActivityListener(rl);
} catch (RemoteException e) {
@@ -1873,9 +1869,8 @@ public class ConnectivityManager {
/** {@hide} */
public static final void enforceTetherChangePermission(Context context, String callingPkg) {
if (null == context || null == callingPkg) {
throw new IllegalArgumentException("arguments should not be null");
}
Preconditions.checkNotNull(context, "Context cannot be null");
Preconditions.checkNotNull(callingPkg, "callingPkg cannot be null");
if (context.getResources().getStringArray(
com.android.internal.R.array.config_mobile_hotspot_provision_app).length == 2) {
@@ -2773,7 +2768,7 @@ public class ConnectivityManager {
}
CallbackHandler(Handler handler) {
this(handler.getLooper());
this(Preconditions.checkNotNull(handler, "Handler cannot be null.").getLooper());
}
@Override
@@ -2890,7 +2885,7 @@ public class ConnectivityManager {
private NetworkRequest sendRequestForNetwork(NetworkCapabilities need, NetworkCallback callback,
int timeoutMs, int action, int legacyType, CallbackHandler handler) {
Preconditions.checkArgument(callback != null, "null NetworkCallback");
checkCallbackNotNull(callback);
Preconditions.checkArgument(action == REQUEST || need != null, "null NetworkCapabilities");
final NetworkRequest request;
try {
@@ -3042,14 +3037,11 @@ public class ConnectivityManager {
*/
public void requestNetwork(NetworkRequest request, NetworkCallback networkCallback,
int timeoutMs) {
if (timeoutMs <= 0) {
throw new IllegalArgumentException("Non-positive timeoutMs: " + timeoutMs);
}
checkTimeout(timeoutMs);
int legacyType = inferLegacyTypeForNetworkCapabilities(request.networkCapabilities);
requestNetwork(request, networkCallback, timeoutMs, legacyType, getDefaultHandler());
}
/**
* Request a network to satisfy a set of {@link android.net.NetworkCapabilities}, limited
* by a timeout.
@@ -3079,9 +3071,7 @@ public class ConnectivityManager {
*/
public void requestNetwork(NetworkRequest request, NetworkCallback networkCallback,
Handler handler, int timeoutMs) {
if (timeoutMs <= 0) {
throw new IllegalArgumentException("Non-positive timeoutMs");
}
checkTimeout(timeoutMs);
int legacyType = inferLegacyTypeForNetworkCapabilities(request.networkCapabilities);
CallbackHandler cbHandler = new CallbackHandler(handler);
requestNetwork(request, networkCallback, timeoutMs, legacyType, cbHandler);
@@ -3153,7 +3143,7 @@ public class ConnectivityManager {
* {@link NetworkCapabilities#NET_CAPABILITY_CAPTIVE_PORTAL}.
*/
public void requestNetwork(NetworkRequest request, PendingIntent operation) {
checkPendingIntent(operation);
checkPendingIntentNotNull(operation);
try {
mService.pendingRequestForNetwork(request.networkCapabilities, operation);
} catch (RemoteException e) {
@@ -3176,7 +3166,7 @@ public class ConnectivityManager {
* corresponding NetworkRequest you'd like to remove. Cannot be null.
*/
public void releaseNetworkRequest(PendingIntent operation) {
checkPendingIntent(operation);
checkPendingIntentNotNull(operation);
try {
mService.releasePendingNetworkRequest(operation);
} catch (RemoteException e) {
@@ -3184,10 +3174,16 @@ public class ConnectivityManager {
}
}
private void checkPendingIntent(PendingIntent intent) {
if (intent == null) {
throw new IllegalArgumentException("PendingIntent cannot be null.");
}
private static void checkPendingIntentNotNull(PendingIntent intent) {
Preconditions.checkNotNull(intent, "PendingIntent cannot be null.");
}
private static void checkCallbackNotNull(NetworkCallback callback) {
Preconditions.checkNotNull(callback, "null NetworkCallback");
}
private static void checkTimeout(int timeoutMs) {
Preconditions.checkArgumentPositive(timeoutMs, "timeoutMs must be strictly positive.");
}
/**
@@ -3257,7 +3253,7 @@ public class ConnectivityManager {
* comes from {@link PendingIntent#getBroadcast}. Cannot be null.
*/
public void registerNetworkCallback(NetworkRequest request, PendingIntent operation) {
checkPendingIntent(operation);
checkPendingIntentNotNull(operation);
try {
mService.pendingListenForNetwork(request.networkCapabilities, operation);
} catch (RemoteException e) {
@@ -3301,8 +3297,9 @@ public class ConnectivityManager {
// capabilities, this request is guaranteed, at all times, to be
// satisfied by the same network, if any, that satisfies the default
// request, i.e., the system default network.
NetworkCapabilities nullCapabilities = null;
CallbackHandler cbHandler = new CallbackHandler(handler);
sendRequestForNetwork(null, networkCallback, 0, REQUEST, TYPE_NONE, cbHandler);
sendRequestForNetwork(nullCapabilities, networkCallback, 0, REQUEST, TYPE_NONE, cbHandler);
}
/**
@@ -3339,7 +3336,7 @@ public class ConnectivityManager {
* @param networkCallback The {@link NetworkCallback} used when making the request.
*/
public void unregisterNetworkCallback(NetworkCallback networkCallback) {
Preconditions.checkArgument(networkCallback != null, "null NetworkCallback");
checkCallbackNotNull(networkCallback);
final List<NetworkRequest> reqs = new ArrayList<>();
// Find all requests associated to this callback and stop callback triggers immediately.
// Callback is reusable immediately. http://b/20701525, http://b/35921499.
@@ -3375,6 +3372,7 @@ public class ConnectivityManager {
* Cannot be null.
*/
public void unregisterNetworkCallback(PendingIntent operation) {
checkPendingIntentNotNull(operation);
releaseNetworkRequest(operation);
}