Prevent apps from spamming addAccountExplicitly.

See comment here for the discussion on solution
https://b.corp.google.com/issues/169762606#comment14

Change-Id: If212df3a3b7be1de0fb26b8e88b2fcbb8077c253

Bug: 169762606
(cherry picked from commit 11053c17b397db67b20e96ce769508766cef7db9)

Change-Id: Ic65162df3415275514f6277891a9412865e2315b
Merged-In: If212df3a3b7be1de0fb26b8e88b2fcbb8077c253

1 files changed, 7 insertions, 0 deletions

diff --git a/core/java/android/accounts/Account.java b/core/java/android/accounts/Account.java
index 9a18880a353b..965b6e0a02cd 100644
--- a/core/java/android/accounts/Account.java
+++ b/core/java/android/accounts/Account.java
@@ -30,6 +30,7 @@ import android.util.Log;
 
 import com.android.internal.annotations.GuardedBy;
 
+import java.util.Objects;
 import java.util.Set;
 
 /**
@@ -85,6 +86,12 @@ public class Account implements Parcelable {
         if (TextUtils.isEmpty(type)) {
             throw new IllegalArgumentException("the type must not be empty: " + type);
         }
+        if (name.length() > 200) {
+            throw new IllegalArgumentException("account name is longer than 200 characters");
+        }
+        if (type.length() > 200) {
+            throw new IllegalArgumentException("account type is longer than 200 characters");
+        }
         this.name = name;
         this.type = type;
         this.accessId = accessId;