implement rooms navigation

config/example.json

@@ -11,7 +11,11 @@
         },
         "wallet":
         {
-            "namespace":"",
+            "namespace":
+            {
+                "whitelist":[],
+                "blacklist":[]
+            },
             "account":null
         },
         "event":
@@ -60,7 +64,7 @@
                 "debug":
                 {
                     "enabled":true,
-                    "template":"[{time}] [init] listen on {host}:{port} balance: {keva}"
+                    "template":"[{time}] [init] listen on {host}:{port} balance: {keva} allowed: {room}"
                 }
             },
             "open":
@@ -84,13 +88,26 @@
                     {
                         "success":
                         [
-                            "\u001b[34mWell, enter your message (dot to commit)\u001b[0m"
+                            "\u001b[34mWell, select room number\u001b[0m",
+                            "\u001b[35m{room:list}\u001b[0m"
                         ],
                         "failure":
                         [
                             "\u001b[31mIncorrect captcha code, try again later!\u001b[0m"
                         ]
                     },
+                    "room":
+                    {
+                        "success":
+                        [
+                            "\u001b[34mRoom changed to \u001b[35m{room}\u001b[0m",
+                            "\u001b[34mEnter your message (dot to commit)\u001b[0m"
+                        ],
+                        "failure":
+                        [
+                            "\u001b[31mRequested room number not found, try again!\u001b[0m"
+                        ]
+                    },
                     "submit":
                     {
                         "success":

src/Server/Ratchet.php

@@ -10,6 +10,8 @@ class Ratchet implements MessageComponentInterface
 
     private object $_config;
 
+    private array $_namespaces;
+
     public function __construct(
         object $config
     ) {
@@ -31,6 +33,50 @@ class Ratchet implements MessageComponentInterface
             throw new \Exception(); // @TODO
         }
 
+        // Init allowed chat rooms registry
+        if ($namespaces = $this->_kevacoin->kevaListNamespaces())
+        {
+            $i = 1; foreach ((array) $namespaces as $namespace)
+            {
+                // Skip system namespaces
+                if (str_starts_with($namespace['displayName'], '_'))
+                {
+                    continue;
+                }
+
+                // Skip blacklist
+                if (in_array($namespace['namespaceId'], $this->_config->kevacoin->wallet->namespace->blacklist))
+                {
+                    continue;
+                }
+
+                // Check whitelist on contain records
+                if (count($this->_config->kevacoin->wallet->namespace->whitelist) &&
+                   !in_array($namespace['namespaceId'], $this->_config->kevacoin->wallet->namespace->whitelist))
+                {
+                    continue;
+                }
+
+                // Append room to the namespace registry
+                $this->_namespaces[$i++] = [
+                    'hash' => $namespace['namespaceId'],
+                    'name' => $namespace['displayName']
+                ];
+            }
+
+            // Sort rooms by name ASC
+            array_multisort(
+                array_column(
+                    $this->_namespaces,
+                    'name'
+                ),
+                SORT_ASC,
+                SORT_STRING | SORT_NATURAL | SORT_FLAG_CASE
+            );
+        }
+
+        else throw new \Exception(); // @TODO
+
         // Dump event on enabled
         if ($this->_config->nps->event->init->debug->enabled)
         {
@@ -40,7 +86,8 @@ class Ratchet implements MessageComponentInterface
                         '{time}',
                         '{host}',
                         '{port}',
-                        '{keva}'
+                        '{keva}',
+                        '{room}'
                     ],
                     [
                         (string) date('c'),
@@ -48,6 +95,10 @@ class Ratchet implements MessageComponentInterface
                         (string) $this->_config->nps->server->port,
                         (float) $this->_kevacoin->getBalance(
                             $this->_config->kevacoin->wallet->account
+                        ),
+                        (string) print_r(
+                            $this->_namespaces,
+                            true
                         )
                     ],
                     $this->_config->nps->event->init->debug->template
@@ -104,6 +155,9 @@ class Ratchet implements MessageComponentInterface
         // Init connection confirmed
         $connection->confirmed = false;
 
+        // Init connection room
+        $connection->namespace = null;
+
         // Init connection counter
         $connection->count = 0;
 
@@ -179,6 +233,9 @@ class Ratchet implements MessageComponentInterface
 
         // Connection confirmed
         if ($connection->confirmed)
+        {
+            // Room selected, begin message compose
+            if ($connection->namespace)
             {
                 // Check message commit by dot
                 if ($request == '.')
@@ -198,7 +255,7 @@ class Ratchet implements MessageComponentInterface
                     else
                     {
                         // Save massage to KevaCoin blockchain
-                    if ($txid = $this->_kevacoin->kevaPut($this->_config->kevacoin->wallet->namespace, time(), $connection->message))
+                        if ($txid = $this->_kevacoin->kevaPut($connection->namespace, time(), $connection->message))
                         {
                             // Return success response
                             $connection->send(
@@ -208,7 +265,7 @@ class Ratchet implements MessageComponentInterface
                                         '{txid}'
                                     ],
                                     [
-                                    (string) $this->_config->kevacoin->wallet->namespace,
+                                        (string) $connection->namespace,
                                         (string) $txid
                                     ],
                                     implode(
@@ -235,7 +292,7 @@ class Ratchet implements MessageComponentInterface
                                             (string) date('c'),
                                             (string) $connection->remoteAddress,
                                             (string) $connection->resourceId,
-                                        (string) $this->_config->kevacoin->wallet->namespace,
+                                            (string) $connection->namespace,
                                             (string) $txid,
                                             (string) $this->_kevacoin->getBalance(
                                                 $this->_config->kevacoin->wallet->account
@@ -293,27 +350,99 @@ class Ratchet implements MessageComponentInterface
                 }
             }
 
-        // Captcha request
+            // Room not selected yet and number given match registry
+            else if (isset($this->_namespaces[$request]))
+            {
+                // Update connection namespace
+                $connection->namespace = $this->_namespaces[$request]['hash'];
+
+                // Send room selection request
+                $connection->send(
+                    str_ireplace(
+                        [
+                            '{room}'
+                        ],
+                        [
+                            str_replace( // filter possible meta mask in the room names
+                                '%',
+                                '%%',
+                                $this->_namespaces[$request]['name']
+                            )
+                        ],
+                        implode(
+                            PHP_EOL,
+                            $config->response->room->success
+                        ) . PHP_EOL
+                    )
+                );
+            }
+
+            // Room number not found in registry
+            else
+            {
+                // Reset connection room anyway
+                $connection->namespace = null;
+
+                // Send fail response
+                $connection->send(
+                    implode(
+                        PHP_EOL,
+                        $config->response->room->failure
+                    ) . PHP_EOL
+                );
+
+                // Keep connection alive for new attempt..
+            }
+        }
+
+        // Captcha confirmation code expected
         else
         {
             // Request match captcha
             if ($request == $connection->captcha)
             {
+                // Set connection confirmed
                 $connection->confirmed = true;
 
+                // Build room list
+                $rooms = [];
+
+                foreach ($this->_namespaces as $number => $namespace)
+                {
+                    $rooms[] = sprintf(
+                        '[%d] %s',
+                        $number,
+                        $namespace['name']
+                    );
+                }
+
+                // Send room selection request
                 $connection->send(
+                    str_ireplace(
+                        [
+                            '{room:list}'
+                        ],
+                        [
+                            implode(
+                                PHP_EOL,
+                                $rooms
+                            )
+                        ],
                         implode(
                             PHP_EOL,
                             $config->response->captcha->success
                         ) . PHP_EOL
+                    )
                 );
             }
 
             // Captcha request invalid
             else
             {
+                // Reset confirmed status
                 $connection->confirmed = false;
 
+                // Send fail response
                 $connection->send(
                     implode(
                         PHP_EOL,
@@ -321,6 +450,7 @@ class Ratchet implements MessageComponentInterface
                     ) . PHP_EOL
                 );
 
+                // Drop connection to prevent brute force
                 $connection->close();
             }
         }