X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fcore%2FCore.java;h=5a91f79d7817aa27ba00339ff787295e25397a85;hb=c1bbf1ea049cda1eafec49958dc00c49b4690b33;hp=e0373e9280797242189bcf8d8471d4797a32c424;hpb=401a320e6952b63d31f73cff2f9400835a5af2d4;p=Sone.git

diff --git a/src/main/java/net/pterodactylus/sone/core/Core.java b/src/main/java/net/pterodactylus/sone/core/Core.java
index e0373e9..5a91f79 100644
--- a/src/main/java/net/pterodactylus/sone/core/Core.java
+++ b/src/main/java/net/pterodactylus/sone/core/Core.java
@@ -525,7 +525,8 @@ public class Core implements IdentityListener, UpdateListener {
 	 * @return {@code true} if the target Sone is trusted by the origin Sone
 	 */
 	public boolean isSoneTrusted(Sone origin, Sone target) {
-		return trustedIdentities.containsKey(origin) && trustedIdentities.get(origin.getIdentity()).contains(target);
+		Validation.begin().isNotNull("Origin", origin).isNotNull("Target", target).check().isInstanceOf("Origin’s OwnIdentity", origin.getIdentity(), OwnIdentity.class).check();
+		return trustedIdentities.containsKey(origin.getIdentity()) && trustedIdentities.get(origin.getIdentity()).contains(target.getIdentity());
 	}
 
 	/**