/* This code is part of Freenet. It is distributed under the GNU General
* Public License, version 2 (or at your option any later version). See
* http://www.gnu.org/ for further details of the GPL. */
package freenet.clients.fcp;
import freenet.node.DarknetPeerNode;
import freenet.node.FSParseException;
import freenet.node.Node;
import freenet.node.PeerNode;
import freenet.support.Base64;
import freenet.support.IllegalBase64Exception;
import freenet.support.Logger;
import freenet.support.SimpleFieldSet;
public class ModifyPeerNote extends FCPMessage {
static final String NAME = "ModifyPeerNote";
final SimpleFieldSet fs;
final String identifier;
public ModifyPeerNote(SimpleFieldSet fs) {
this.fs = fs;
identifier = fs.get("Identifier");
fs.removeValue("Identifier");
}
@Override
public SimpleFieldSet getFieldSet() {
return new SimpleFieldSet(true);
}
@Override
public String getName() {
return NAME;
}
@Override
public void run(FCPConnectionHandler handler, Node node) throws MessageInvalidException {
if(!handler.hasFullAccess()) {
throw new MessageInvalidException(ProtocolErrorMessage.ACCESS_DENIED, "ModifyPeerNote requires full access", identifier, false);
}
String nodeIdentifier = fs.get("NodeIdentifier");
if( nodeIdentifier == null ) {
throw new MessageInvalidException(ProtocolErrorMessage.MISSING_FIELD, "Error: NodeIdentifier field missing", identifier, false);
}
PeerNode pn = node.getPeerNode(nodeIdentifier);
if(pn == null) {
FCPMessage msg = new UnknownNodeIdentifierMessage(nodeIdentifier, identifier);
handler.outputHandler.queue(msg);
return;
}
if(!(pn instanceof DarknetPeerNode)) {
throw new MessageInvalidException(ProtocolErrorMessage.DARKNET_ONLY, "ModifyPeerNote only available for darknet peers", identifier, false);
}
DarknetPeerNode dpn = (DarknetPeerNode) pn;
int peerNoteType;
try {
peerNoteType = fs.getInt("PeerNoteType");
} catch (FSParseException e) {
throw new MessageInvalidException(ProtocolErrorMessage.INVALID_FIELD, "Error parsing PeerNoteType field: "+e.getMessage(), identifier, false);
}
String encodedNoteText = fs.get("NoteText");
if( encodedNoteText == null ) {
throw new MessageInvalidException(ProtocolErrorMessage.MISSING_FIELD, "Error: NoteText field missing", identifier, false);
}
String noteText;
// **FIXME** this should be generalized for multiple peer notes per peer, after PeerNode is similarly generalized
try {
noteText = Base64.decodeUTF8(encodedNoteText);
} catch (IllegalBase64Exception e) {
Logger.error(this, "Bad Base64 encoding when decoding a FCP-received private darknet comment SimpleFieldSet", e);
return;
}
if(peerNoteType == Node.PEER_NOTE_TYPE_PRIVATE_DARKNET_COMMENT) {
dpn.setPrivateDarknetCommentNote(noteText);
} else {
FCPMessage msg = new UnknownPeerNoteTypeMessage(peerNoteType, identifier);
handler.outputHandler.queue(msg);
return;
}
handler.outputHandler.queue(new PeerNote(nodeIdentifier, noteText, peerNoteType, identifier));
}
}