Snap for 8417597 from abcc8d0708ae2c020012a7b5ce47a1b8087faae9 to sc-qpr3-release
Change-Id: Ic4a0cf15cdb7c53c3394ffff1f38f73118b62213
diff --git a/src/com/android/server/telecom/PhoneAccountRegistrar.java b/src/com/android/server/telecom/PhoneAccountRegistrar.java
index 5ef3dd5..ff7c031 100644
--- a/src/com/android/server/telecom/PhoneAccountRegistrar.java
+++ b/src/com/android/server/telecom/PhoneAccountRegistrar.java
@@ -134,6 +134,7 @@
public static final String FILE_NAME = "phone-account-registrar-state.xml";
@VisibleForTesting
public static final int EXPECTED_STATE_VERSION = 9;
+ public static final int MAX_PHONE_ACCOUNT_REGISTRATIONS = 10;
/** Keep in sync with the same in SipSettings.java */
private static final String SIP_SHARED_PREFERENCES = "SIP_PREFERENCES";
@@ -766,8 +767,13 @@
return account.isSelfManaged();
}
- // TODO: Should we implement an artificial limit for # of accounts associated with a single
- // ComponentName?
+ /**
+ * Performs checks before calling addOrReplacePhoneAccount(PhoneAccount)
+ *
+ * @param account The {@code PhoneAccount} to add or replace.
+ * @throws SecurityException if package does not have BIND_TELECOM_CONNECTION_SERVICE permission
+ * @throws IllegalArgumentException if MAX_PHONE_ACCOUNT_REGISTRATIONS are reached
+ */
public void registerPhoneAccount(PhoneAccount account) {
// Enforce the requirement that a connection service for a phone account has the correct
// permission.
@@ -778,6 +784,19 @@
throw new SecurityException("PhoneAccount connection service requires "
+ "BIND_TELECOM_CONNECTION_SERVICE permission.");
}
+ //Enforce an upper bound on the number of PhoneAccount's a package can register.
+ // Most apps should only require 1-2.
+ if (getPhoneAccountsForPackage(
+ account.getAccountHandle().getComponentName().getPackageName(),
+ account.getAccountHandle().getUserHandle()).size()
+ >= MAX_PHONE_ACCOUNT_REGISTRATIONS) {
+ Log.w(this, "Phone account %s reached max registration limit for package",
+ account.getAccountHandle());
+ throw new IllegalArgumentException(
+ "Error, cannot register phone account " + account.getAccountHandle()
+ + " because the limit, " + MAX_PHONE_ACCOUNT_REGISTRATIONS
+ + ", has been reached");
+ }
addOrReplacePhoneAccount(account);
}