Change all copyright headers to include 2012.
[Sone.git] / src / main / java / net / pterodactylus / sone / fcp / FcpInterface.java
index 8854347..128d46a 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Sone - FcpInterface.java - Copyright © 2011 David Roden
+ * Sone - FcpInterface.java - Copyright © 2011–2012 David Roden
  *
  * 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
@@ -24,12 +24,12 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import net.pterodactylus.sone.core.Core;
-import net.pterodactylus.sone.freenet.fcp.Command;
 import net.pterodactylus.sone.freenet.fcp.Command.AccessType;
 import net.pterodactylus.sone.freenet.fcp.Command.ErrorResponse;
 import net.pterodactylus.sone.freenet.fcp.Command.Response;
 import net.pterodactylus.sone.freenet.fcp.FcpException;
 import net.pterodactylus.util.logging.Logging;
+import net.pterodactylus.util.validation.Validation;
 import freenet.pluginmanager.FredPluginFCP;
 import freenet.pluginmanager.PluginNotFoundException;
 import freenet.pluginmanager.PluginReplySender;
@@ -44,11 +44,35 @@ import freenet.support.api.Bucket;
  */
 public class FcpInterface {
 
+       /**
+        * The action level that full access for the FCP connection is required.
+        *
+        * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+        */
+       public enum FullAccessRequired {
+
+               /** No action requires full access. */
+               NO,
+
+               /** All writing actions require full access. */
+               WRITING,
+
+               /** All actions require full access. */
+               ALWAYS,
+
+       }
+
        /** The logger. */
        private static final Logger logger = Logging.getLogger(FcpInterface.class);
 
+       /** Whether the FCP interface is currently active. */
+       private volatile boolean active;
+
+       /** What function full access is required for. */
+       private volatile FullAccessRequired fullAccessRequired = FullAccessRequired.ALWAYS;
+
        /** All available FCP commands. */
-       private final Map<String, Command> commands = Collections.synchronizedMap(new HashMap<String, Command>());
+       private final Map<String, AbstractSoneCommand> commands = Collections.synchronizedMap(new HashMap<String, AbstractSoneCommand>());
 
        /**
         * Creates a new FCP interface.
@@ -57,12 +81,52 @@ public class FcpInterface {
         *            The core
         */
        public FcpInterface(Core core) {
-               commands.put("Version", new VersionCommand());
+               commands.put("Version", new VersionCommand(core));
                commands.put("GetLocalSones", new GetLocalSonesCommand(core));
+               commands.put("GetSones", new GetSonesCommand(core));
+               commands.put("GetSone", new GetSoneCommand(core));
+               commands.put("GetPost", new GetPostCommand(core));
                commands.put("GetPosts", new GetPostsCommand(core));
                commands.put("GetPostFeed", new GetPostFeedCommand(core));
+               commands.put("LikePost", new LikePostCommand(core));
+               commands.put("LikeReply", new LikeReplyCommand(core));
+               commands.put("CreatePost", new CreatePostCommand(core));
+               commands.put("CreateReply", new CreateReplyCommand(core));
+               commands.put("DeletePost", new DeletePostCommand(core));
+               commands.put("DeleteReply", new DeleteReplyCommand(core));
        }
 
+       //
+       // ACCESSORS
+       //
+
+       /**
+        * Sets whether the FCP interface should handle requests. If {@code active}
+        * is {@code false}, all requests are answered with an error.
+        *
+        * @param active
+        *            {@code true} to activate the FCP interface, {@code false} to
+        *            deactivate the FCP interface
+        */
+       public void setActive(boolean active) {
+               this.active = active;
+       }
+
+       /**
+        * Sets the action level for which full FCP access is required.
+        *
+        * @param fullAccessRequired
+        *            The action level for which full FCP access is required
+        */
+       public void setFullAccessRequired(FullAccessRequired fullAccessRequired) {
+               Validation.begin().isNotNull("FullAccessRequired", fullAccessRequired).check();
+               this.fullAccessRequired = fullAccessRequired;
+       }
+
+       //
+       // ACTIONS
+       //
+
        /**
         * Handles a plugin FCP request.
         *
@@ -78,7 +142,23 @@ public class FcpInterface {
         *            {@link FredPluginFCP#ACCESS_FCP_RESTRICTED}
         */
        public void handle(PluginReplySender pluginReplySender, SimpleFieldSet parameters, Bucket data, int accessType) {
-               Command command = commands.get(parameters.get("Message"));
+               if (!active) {
+                       try {
+                               sendReply(pluginReplySender, null, new ErrorResponse(400, "FCP Interface deactivated"));
+                       } catch (PluginNotFoundException pnfe1) {
+                               logger.log(Level.FINE, "Could not set error to plugin.", pnfe1);
+                       }
+                       return;
+               }
+               AbstractSoneCommand command = commands.get(parameters.get("Message"));
+               if ((accessType == FredPluginFCP.ACCESS_FCP_RESTRICTED) && (((fullAccessRequired == FullAccessRequired.WRITING) && command.requiresWriteAccess()) || (fullAccessRequired == FullAccessRequired.ALWAYS))) {
+                       try {
+                               sendReply(pluginReplySender, null, new ErrorResponse(401, "Not authorized"));
+                       } catch (PluginNotFoundException pnfe1) {
+                               logger.log(Level.FINE, "Could not set error to plugin.", pnfe1);
+                       }
+                       return;
+               }
                try {
                        if (command == null) {
                                sendReply(pluginReplySender, null, new ErrorResponse("Unrecognized Message: " + parameters.get("Message")));
@@ -93,6 +173,7 @@ public class FcpInterface {
                                Response response = command.execute(parameters, data, AccessType.values()[accessType]);
                                sendReply(pluginReplySender, identifier, response);
                        } catch (FcpException fe1) {
+                               logger.log(Level.WARNING, "Could not process FCP command “%s”.", command);
                                sendReply(pluginReplySender, identifier, new ErrorResponse("Error executing command: " + fe1.getMessage()));
                        }
                } catch (PluginNotFoundException pnfe1) {