start work on sharing of trust lists

core/src/main/groovy/com/muwire/core/MuWireSettings.groovy

@@ -12,6 +12,8 @@ class MuWireSettings {
     final boolean isLeaf
     boolean allowUntrusted
     boolean allowTrustLists
+    int trustListInterval
+    Set<Persona> trustSubscriptions
     int downloadRetryInterval
     int updateCheckInterval
     boolean autoDownloadUpdate
@@ -33,8 +35,9 @@ class MuWireSettings {
 	
 	MuWireSettings(Properties props) {
 		isLeaf = Boolean.valueOf(props.get("leaf","false"))
-		allowUntrusted = Boolean.valueOf(props.get("allowUntrusted","true"))
+		allowUntrusted = Boolean.valueOf(props.getProperty("allowUntrusted","true"))
-        allowTrustLists = Boolean.valueOf(props.get("allowTrustLists","true"))
+        allowTrustLists = Boolean.valueOf(props.getProperty("allowTrustLists","true"))
+        trustListInterval = Integer.valueOf(props.getProperty("trustListInterval","1"))
 		crawlerResponse = CrawlerResponse.valueOf(props.get("crawlerResponse","REGISTERED"))
         nickname = props.getProperty("nickname","MuWireUser")
         downloadLocation = new File((String)props.getProperty("downloadLocation", 
@@ -57,6 +60,12 @@ class MuWireSettings {
             encoded.each { watchedDirectories << DataUtil.readi18nString(Base64.decode(it)) }
         }
         
+        trustSubscriptions = new HashSet<>()
+        if (props.containsKey("trustSubscriptions")) {
+            props.getProperty("trustSubscriptions").split(",").each { 
+                trustSubscriptions.add(new Persona(new ByteArrayInputStream(Base64.decode(it))))
+            }
+        }
 	}
     
     void write(OutputStream out) throws IOException {
@@ -64,6 +73,7 @@ class MuWireSettings {
         props.setProperty("leaf", isLeaf.toString())
         props.setProperty("allowUntrusted", allowUntrusted.toString())
         props.setProperty("allowTrustLists", String.valueOf(allowTrustLists))
+        props.setProperty("trustListInterval", String.valueOf(trustListInterval))
         props.setProperty("crawlerResponse", crawlerResponse.toString())
         props.setProperty("nickname", nickname)
         props.setProperty("downloadLocation", downloadLocation.getAbsolutePath())
@@ -86,6 +96,13 @@ class MuWireSettings {
             props.setProperty("watchedDirectories", encoded)
         }
         
+        if (!trustSubscriptions.isEmpty()) {
+            String encoded = trustSubscriptions.stream().
+                map(it.toBase64()).
+                collect(Collectors.joining(","))
+            props.setProperty("trustSubscriptions", encoded)
+        }
+        
         props.store(out, "")
     }
 

core/src/main/groovy/com/muwire/core/trust/TrustSubscriber.groovy

@@ -0,0 +1,18 @@
+package com.muwire.core.trust
+
+import java.util.concurrent.ConcurrentHashMap
+
+import com.muwire.core.EventBus
+import com.muwire.core.MuWireSettings
+import com.muwire.core.connection.I2PConnector
+
+import net.i2p.data.Destination
+
+class TrustSubscriber {
+    private final EventBus eventBus
+    private final I2PConnector i2pConnector
+    private final MuWireSettings settings
+    
+    private final Map<Destination, Long> lastRequestTime = new ConcurrentHashMap<>()
+    
+}

core/src/main/groovy/com/muwire/core/trust/TrustSubscriptionEvent.groovy

@@ -0,0 +1,9 @@
+package com.muwire.core.trust
+
+import com.muwire.core.Event
+import com.muwire.core.Persona
+
+class TrustSubscriptionEvent extends Event {
+    Persona persona
+    boolean subscribe
+}