🚧 Try to only allow identities that have no or positive trust
authorDavid ‘Bombe’ Roden <bombe@pterodactylus.net>
Sat, 18 Apr 2020 14:14:41 +0000 (16:14 +0200)
committerDavid ‘Bombe’ Roden <bombe@pterodactylus.net>
Sat, 18 Apr 2020 14:14:41 +0000 (16:14 +0200)
src/main/java/net/pterodactylus/sone/freenet/wot/Identity.java
src/main/kotlin/net/pterodactylus/sone/freenet/wot/DefaultIdentity.kt
src/main/kotlin/net/pterodactylus/sone/freenet/wot/IdentityManagerImpl.kt

index 63bceb1..e6f4f62 100644 (file)
@@ -131,6 +131,8 @@ public interface Identity {
         */
        public Identity removeProperty(String name);
 
+       Map<OwnIdentity, Trust> getTrust();
+
        /**
         * Retrieves the trust that this identity receives from the given own
         * identity. If this identity is not in the own identity’s trust tree, a
index 6097916..88527b3 100644 (file)
@@ -17,7 +17,9 @@
 
 package net.pterodactylus.sone.freenet.wot
 
-import java.util.Collections.*
+import java.util.Collections.synchronizedMap
+import java.util.Collections.synchronizedSet
+import kotlin.collections.set
 
 /**
  * A Web of Trust identity.
@@ -77,6 +79,10 @@ open class DefaultIdentity(private val id: String, private val nickname: String?
                }
        }
 
+       override fun getTrust(): Map<OwnIdentity, Trust> = synchronized(trustCache) {
+               trustCache.toMap()
+       }
+
        override fun getTrust(ownIdentity: OwnIdentity) = synchronized(trustCache) {
                trustCache[ownIdentity]
        }
index f0e08d4..676278d 100644 (file)
@@ -58,9 +58,20 @@ class IdentityManagerImpl @Inject constructor(
                        try {
                                val currentIdentities = identityLoader.loadIdentities()
 
-                               val onlyTrustedByAll = currentIdentities.mapValues { (ownIdentity, trustedIdentities) ->
+                               val identitiesWithTrust = currentIdentities.values.flatten()
+                                               .groupBy { it.id }
+                                               .mapValues { (_, identities) ->
+                                                       identities.reduce { accIdentity, identity ->
+                                                               identity.trust.forEach { (ownIdentity: OwnIdentity?, trust: Trust?) ->
+                                                                       accIdentity.setTrust(ownIdentity, trust)
+                                                               }
+                                                               accIdentity
+                                                       }
+                                               }
+
+                               val onlyTrustedByAll = currentIdentities.mapValues { (_, trustedIdentities) ->
                                        trustedIdentities.filter { trustedIdentity ->
-                                               currentIdentities.filterValues { it.isNotEmpty() }.all { trustedIdentity in it.value }
+                                               identitiesWithTrust[trustedIdentity.id]!!.trust.all { it.value.hasZeroOrPositiveTrust() }
                                        }
                                }
                                logger.log(Level.FINE, "Reduced (${currentIdentities.size},(${currentIdentities.values.joinToString { it.size.toString() }})) identities to (${onlyTrustedByAll.size},(${onlyTrustedByAll.values.joinToString { it.size.toString() }})).")
@@ -96,3 +107,10 @@ private fun notThrowing(action: () -> Unit): Boolean =
                } catch (e: Exception) {
                        false
                }
+
+private fun Trust.hasZeroOrPositiveTrust() =
+               if (explicit == null) {
+                       implicit == null || implicit >= 0
+               } else {
+                       explicit >= 0
+               }