remove local credential on download of config files from remote systems

(blacklists, language, skins) to reduce risk to expose md5-pwd.
- remove NoSuchElementException in loop

htroot/BlacklistImpExp_p.java

@@ -72,12 +72,10 @@ public class BlacklistImpExp_p {
                     if (seed != null) hostList.put(seed.get(Seed.NAME, "nameless"),seed.hash);
                 }
 
-                String peername;
+                for (String peername : hostList.keySet()) {
-                while ((peername = hostList.firstKey()) != null) {
                     final String Hash = hostList.get(peername);
                     prop.putHTML(DISABLED + "otherHosts_" + peerCount + "_hash", Hash);
                     prop.putXML(DISABLED + "otherHosts_" + peerCount + "_name", peername);
-                    hostList.remove(peername);
                     peerCount++;
                 }
             } catch (final Exception e) {

htroot/ConfigAppearance_p.java

@@ -102,7 +102,7 @@ public class ConfigAppearance_p {
                 final Iterator<String> it;
                 try {
                     final DigestURL u = new DigestURL(url);
-                    it = FileUtils.strings(u.get(ClientIdentification.yacyInternetCrawlerAgent, sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_USER_NAME, "admin"), sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_B64MD5, "")));
+                    it = FileUtils.strings(u.get(ClientIdentification.yacyInternetCrawlerAgent, null, null));
                 } catch (final IOException e) {
                     prop.put("status", "1");// unable to get URL
                     prop.put("status_url", url);

htroot/ConfigLanguage_p.java

@@ -46,7 +46,6 @@ import net.yacy.data.Translator;
 import net.yacy.data.WorkTables;
 import net.yacy.kelondro.util.FileUtils;
 import net.yacy.search.Switchboard;
-import net.yacy.search.SwitchboardConstants;
 import net.yacy.server.serverObjects;
 import net.yacy.server.serverSwitch;
 
@@ -102,7 +101,7 @@ public class ConfigLanguage_p {
                 Iterator<String> it;
                 try {
                     final DigestURL u = new DigestURL(url);
-                    it = FileUtils.strings(u.get(ClientIdentification.yacyInternetCrawlerAgent, sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_USER_NAME, "admin"), sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_B64MD5, "")));
+                    it = FileUtils.strings(u.get(ClientIdentification.yacyInternetCrawlerAgent, null, null));
                 } catch(final IOException e) {
                     prop.put("status", "1");//unable to get url
                     prop.put("status_url", url);

htroot/sharedBlacklist_p.java

@@ -51,7 +51,6 @@ import net.yacy.peers.Seed;
 import net.yacy.repository.Blacklist;
 import net.yacy.repository.Blacklist.BlacklistType;
 import net.yacy.search.Switchboard;
-import net.yacy.search.SwitchboardConstants;
 import net.yacy.search.query.SearchEventCache;
 import net.yacy.server.serverObjects;
 import net.yacy.server.serverSwitch;
@@ -140,7 +139,7 @@ public class sharedBlacklist_p {
                         // get List
                         final DigestURL u = new DigestURL(downloadURLOld);
 
-                        otherBlacklist = FileUtils.strings(u.get(agent, sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_USER_NAME, "admin"), sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_B64MD5, "")));
+                        otherBlacklist = FileUtils.strings(u.get(agent, null, null));
                     } catch (final Exception e) {
                         prop.put("status", STATUS_PEER_UNKNOWN);
                         prop.putHTML("status_name", hash);
@@ -157,7 +156,7 @@ public class sharedBlacklist_p {
 
                 try {
                     final DigestURL u = new DigestURL(downloadURL);
-                    otherBlacklist = FileUtils.strings(u.get(agent, sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_USER_NAME, "admin"), sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_B64MD5, "")));
+                    otherBlacklist = FileUtils.strings(u.get(agent, null, null));
                 } catch (final Exception e) {
                     prop.put("status", STATUS_URL_PROBLEM);
                     prop.putHTML("status_address",downloadURL);