re-added list interface (blacklist imports need them)

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4480 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/yacy/list.html

@@ -0,0 +1 @@
+#[list]#

htroot/yacy/list.java

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+// list.java 
+// -----------------------
+// (C) 2004 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
+// first published 2004 on http://yacy.net
+//
+// This File is contributed by Alexander Schier
+//
+// $LastChangedDate: 2008-02-02 23:53:39 +0000 (Sa, 02 Feb 2008) $
+// $LastChangedRevision: 4430 $
+// $LastChangedBy: orbiter $
+//
+// LICENSE
+// 
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+
+import java.io.File;
+
+import de.anomic.data.listManager;
+import de.anomic.http.httpHeader;
+import de.anomic.plasma.plasmaSwitchboard;
+import de.anomic.server.serverCore;
+import de.anomic.server.serverObjects;
+import de.anomic.server.serverSwitch;
+import de.anomic.yacy.yacyCore;
+import de.anomic.yacy.yacyNetwork;
+import de.anomic.yacy.yacySeed;
+
+
+public final class list {
+
+    public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
+        if (post == null || env == null) throw new NullPointerException("post: " + post + ", sb: " + env);
+        plasmaSwitchboard sb = (plasmaSwitchboard) env;
+
+        // return variable that accumulates replacements
+        final serverObjects prop = new serverObjects();
+        if ((post == null) || (env == null)) return prop;
+        if (!yacyNetwork.authentifyRequest(post, env)) return prop;
+
+        final String col = post.get("col", "");
+        final File listsPath = env.getConfigPath(plasmaSwitchboard.LISTS_PATH, plasmaSwitchboard.LISTS_PATH_DEFAULT);
+
+        String otherPeerName = null;
+        if (post.containsKey("iam")) {
+            yacySeed bla = yacyCore.seedDB.get(post.get("iam", ""));
+            if (bla != null) otherPeerName = bla.getName();
+        }
+        if (otherPeerName == null) otherPeerName = (String)header.get(httpHeader.CONNECTION_PROP_CLIENTIP);
+
+        if ((sb.isRobinsonMode()) && (!sb.isInMyCluster(otherPeerName))) {
+            // if we are a robinson cluster, answer only if this client is known by our network definition
+            return null;
+        }
+
+        if (col.equals("black")) {
+            final StringBuffer out = new StringBuffer();
+
+            final String filenames=env.getConfig("BlackLists.Shared", "");
+            final String[] filenamesarray = filenames.split(",");
+
+            if (filenamesarray.length > 0){
+                for (int i = 0;i < filenamesarray.length; i++) {
+                    String filename = filenamesarray[i];
+                    File fileObj = new File(listsPath,filename);
+                    out.append(listManager.getListString(fileObj, false)).append(serverCore.CRLF_STRING);
+                }
+            }
+
+            prop.put("list",out.toString());
+        } else {
+            prop.put("list","");
+        }
+
+        return prop;
+    }
+}