primer commit

server/identificarUsuario.php

@@ -0,0 +1,28 @@
+<?php 
+
+if(isset($_GET['alias']) && isset($_GET['pass']) && isset($_GET['callback'])) {
+	//Bibliotecas
+	require 'DB.class.php';
+	
+	//Variables
+	$sAlias = $_GET['alias'];
+	$sPass = $_GET['pass'];
+	$sSQL = 'SELECT id, count(id) AS numero FROM usuarios WHERE alias 
+	= \'' . $sAlias . '\' AND password = \'' . $sPass . '\'';
+	$miDB = new DB();
+	$aFinal;
+
+	//Obtener resultados
+	$aRes = $miDB->obtenerResultado($sSQL);
+	if($aRes[0]['numero'] > 0) {
+		$aFinal = array('usuario' => $aRes[0]['id']);
+	} else {
+		$aFinal = array('usuario' => '0');
+	}
+
+	//Devuelve JSON
+	header('Content-Type: application/json');
+    echo $_GET['callback'] .'(' . json_encode($aFinal) . ')';
+}
+
+?>