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old/wp-includes/IXR/class-IXR-introspectionserver.php

@@ -0,0 +1,174 @@
+<?php
+
+/**
+ * IXR_IntrospectionServer
+ *
+ * @package IXR
+ * @since 1.5.0
+ */
+class IXR_IntrospectionServer extends IXR_Server
+{
+    var $signatures;
+    var $help;
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct()
+    {
+        $this->setCallbacks();
+        $this->setCapabilities();
+        $this->capabilities['introspection'] = array(
+            'specUrl' => 'http://xmlrpc.usefulinc.com/doc/reserved.html',
+            'specVersion' => 1
+        );
+        $this->addCallback(
+            'system.methodSignature',
+            'this:methodSignature',
+            array('array', 'string'),
+            'Returns an array describing the return type and required parameters of a method'
+        );
+        $this->addCallback(
+            'system.getCapabilities',
+            'this:getCapabilities',
+            array('struct'),
+            'Returns a struct describing the XML-RPC specifications supported by this server'
+        );
+        $this->addCallback(
+            'system.listMethods',
+            'this:listMethods',
+            array('array'),
+            'Returns an array of available methods on this server'
+        );
+        $this->addCallback(
+            'system.methodHelp',
+            'this:methodHelp',
+            array('string', 'string'),
+            'Returns a documentation string for the specified method'
+        );
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_IntrospectionServer() {
+		self::__construct();
+	}
+
+    function addCallback($method, $callback, $args, $help)
+    {
+        $this->callbacks[$method] = $callback;
+        $this->signatures[$method] = $args;
+        $this->help[$method] = $help;
+    }
+
+    function call($methodname, $args)
+    {
+        // Make sure it's in an array
+        if ($args && !is_array($args)) {
+            $args = array($args);
+        }
+
+        // Over-rides default call method, adds signature check
+        if (!$this->hasMethod($methodname)) {
+            return new IXR_Error(-32601, 'server error. requested method "'.$this->message->methodName.'" not specified.');
+        }
+        $method = $this->callbacks[$methodname];
+        $signature = $this->signatures[$methodname];
+        $returnType = array_shift($signature);
+
+        // Check the number of arguments
+        if (count($args) != count($signature)) {
+            return new IXR_Error(-32602, 'server error. wrong number of method parameters');
+        }
+
+        // Check the argument types
+        $ok = true;
+        $argsbackup = $args;
+        for ($i = 0, $j = count($args); $i < $j; $i++) {
+            $arg = array_shift($args);
+            $type = array_shift($signature);
+            switch ($type) {
+                case 'int':
+                case 'i4':
+                    if (is_array($arg) || !is_int($arg)) {
+                        $ok = false;
+                    }
+                    break;
+                case 'base64':
+                case 'string':
+                    if (!is_string($arg)) {
+                        $ok = false;
+                    }
+                    break;
+                case 'boolean':
+                    if ($arg !== false && $arg !== true) {
+                        $ok = false;
+                    }
+                    break;
+                case 'float':
+                case 'double':
+                    if (!is_float($arg)) {
+                        $ok = false;
+                    }
+                    break;
+                case 'date':
+                case 'dateTime.iso8601':
+                    if (!is_a($arg, 'IXR_Date')) {
+                        $ok = false;
+                    }
+                    break;
+            }
+            if (!$ok) {
+                return new IXR_Error(-32602, 'server error. invalid method parameters');
+            }
+        }
+        // It passed the test - run the "real" method call
+        return parent::call($methodname, $argsbackup);
+    }
+
+    function methodSignature($method)
+    {
+        if (!$this->hasMethod($method)) {
+            return new IXR_Error(-32601, 'server error. requested method "'.$method.'" not specified.');
+        }
+        // We should be returning an array of types
+        $types = $this->signatures[$method];
+        $return = array();
+        foreach ($types as $type) {
+            switch ($type) {
+                case 'string':
+                    $return[] = 'string';
+                    break;
+                case 'int':
+                case 'i4':
+                    $return[] = 42;
+                    break;
+                case 'double':
+                    $return[] = 3.1415;
+                    break;
+                case 'dateTime.iso8601':
+                    $return[] = new IXR_Date(time());
+                    break;
+                case 'boolean':
+                    $return[] = true;
+                    break;
+                case 'base64':
+                    $return[] = new IXR_Base64('base64');
+                    break;
+                case 'array':
+                    $return[] = array('array');
+                    break;
+                case 'struct':
+                    $return[] = array('struct' => 'struct');
+                    break;
+            }
+        }
+        return $return;
+    }
+
+    function methodHelp($method)
+    {
+        return $this->help[$method];
+    }
+}