From 25ddb17f35ae06ba0ff09cf48aa0c524aeab3e93 Mon Sep 17 00:00:00 2001
From: Juan Ferrer Toribio <juan.ferrer.toribio@gmail.com>
Date: Thu, 25 Aug 2016 12:47:09 +0200
Subject: [PATCH] Alpha version

---
 forms/cms/contact/contact.js               |  2 +-
 hedera.php                                 |  3 +-
 index.php                                  |  3 +-
 js/hedera/tpv.js                           |  2 +-
 js/htk/field/image.js                      |  2 +-
 js/htk/image-editor.js                     | 32 ++++++++++------------
 js/htk/image-editor.xml                    |  9 ++----
 js/vn/json-request.js                      |  9 ++++++
 json.php                                   |  3 +-
 pages/main/main.js                         |  4 +--
 rest.php                                   |  3 +-
 rest/core/captcha.php                      |  4 +--
 rest/core/log.php                          |  6 ++--
 rest/core/login.php                        |  2 +-
 rest/core/query.php                        |  4 +--
 rest/dms/invoice.php                       |  4 +--
 rest/image/image.php                       |  6 ++--
 rest/image/resize.php                      |  9 +++---
 rest/image/sync.php                        | 17 ++++++++----
 rest/image/thumb.php                       | 11 ++++----
 rest/image/upload.php                      | 14 +++++-----
 rest/image/{image-request.php => util.php} | 14 +++++-----
 rest/misc/visits-sync.php                  | 16 +++++------
 rest/tpv/confirm-soap.php                  |  4 +--
 rest/tpv/tpv.php                           |  4 +--
 rest/tpv/transaction.php                   | 12 +++-----
 vn/hedera/hedera.php                       |  9 ------
 vn/web/http-request.php                    | 12 --------
 vn/web/json-app.php                        |  1 +
 vn/web/json-request.php                    |  3 +-
 vn/web/rest-app.php                        |  1 +
 vn/web/rest-request.php                    | 32 ++++++++++++++++++++++
 32 files changed, 134 insertions(+), 123 deletions(-)
 rename rest/image/{image-request.php => util.php} (79%)
 delete mode 100755 vn/hedera/hedera.php
 delete mode 100644 vn/web/http-request.php
 create mode 100644 vn/web/rest-request.php

diff --git a/forms/cms/contact/contact.js b/forms/cms/contact/contact.js
index 2b631fcd..a52f06df 100644
--- a/forms/cms/contact/contact.js
+++ b/forms/cms/contact/contact.js
@@ -6,7 +6,7 @@ Vn.Contact = new Class
 	,activate: function ()
 	{
 		var self = this;
-		var form = this.$('contact-form').onsubmit = function ()
+		this.$('contact-form').onsubmit = function ()
 			{ self.onSubmit (); return false; };
 
 		this.refreshCaptcha ();
diff --git a/hedera.php b/hedera.php
index 65d89264..6fa654af 100755
--- a/hedera.php
+++ b/hedera.php
@@ -1,9 +1,8 @@
 <?php
 
-require_once ('vn/hedera/hedera.php');
 require_once ('vn/lib/cli-app.php');
 
-$cliApp = new Vn\Lib\CliApp (Vn\Hedera\APP_NAME, 'rest');
+$cliApp = new Vn\Lib\CliApp ('hedera-web', 'rest');
 $cliApp->run ();
 
 ?>
diff --git a/index.php b/index.php
index 7615150d..0bb41cf7 100755
--- a/index.php
+++ b/index.php
@@ -1,9 +1,8 @@
 <?php
 
-require_once ('vn/hedera/hedera.php');
 require_once ('vn/web/html-app.php');
 
-$htmlApp = new Vn\Web\HtmlApp (Vn\Hedera\APP_NAME, 'pages');
+$htmlApp = new Vn\Web\HtmlApp ('hedera-web', 'pages');
 $htmlApp->run ();
 
 ?>
diff --git a/js/hedera/tpv.js b/js/hedera/tpv.js
index 33714bb6..d9ed1af1 100644
--- a/js/hedera/tpv.js
+++ b/js/hedera/tpv.js
@@ -41,7 +41,7 @@ Vn.Tpv = new Class
 				,'company': company
 			};
 		
-			var request = new Vn.JsonRequest ('tpv');
+			var request = new Vn.JsonRequest ('tpv/transaction');
 			request.send (params,
 				this._onTransactionStart.bind (this));
 		}
diff --git a/js/htk/field/image.js b/js/htk/field/image.js
index f9c142f2..aa52bd4e 100644
--- a/js/htk/field/image.js
+++ b/js/htk/field/image.js
@@ -198,7 +198,7 @@ Htk.Image = new Class
 	,_onFileUpload: function (cell, editor)
 	{
 		this._stamp = new Date ().getTime ();
-		this.setSrc (cell);
+		this._refreshSrc (cell);
 		this.popup.hide ();
 	}
 
diff --git a/js/htk/image-editor.js b/js/htk/image-editor.js
index 0884e975..0d5dcae9 100644
--- a/js/htk/image-editor.js
+++ b/js/htk/image-editor.js
@@ -14,9 +14,9 @@ Htk.ImageEditor = new Class
 	{
 		this.builderInit (this.constructor.Xml);
 
-		this.$('max-size').value = 10 /* MB */ * 1048576;
-		this.$('form').action =
-			'//'+ Vn.Config['image_host'] +'/rest.php?action=image';
+		var self = this;
+		this.$('form').onsubmit = function ()
+			{ self.onSubmit (); return false; };
 
 		this.parent (props);
 	}
@@ -31,30 +31,28 @@ Htk.ImageEditor = new Class
 		this.signalEmit ('name-changed', newValue);
 	}
 	
-	,onFormSubmit: function ()
+	,onSubmit: function ()
 	{
 		this.$('submit').disabled = true;
 		this.$('spinner').start ();
+
+		var request = new Vn.JsonRequest ();
+		request.sendFormMultipart (this.$('form'),
+			this.onResponse.bind (this));
 	}
 	
-	,onIframeLoad: function ()
+	,onResponse: function (request, json, error)
 	{
 		this.$('submit').disabled = false;
 		this.$('spinner').stop ();
 
-		try {
-			var responseText = this.$('iframe').contentDocument.body.textContent;
-			var response = eval ('('+ responseText +')');
-
-			if (response.data)
-			{
-				this.signalEmit ('file-uploaded', this.$('name').value);
-				Htk.Toast.showMessage (_('ImageAdded'));
-			}
-			else
-				Htk.Toast.showError (response.error.message +' ('+ response.error.code +')');
+		if (json)
+		{
+			Htk.Toast.showMessage (_('ImageAdded'));
+			this.signalEmit ('file-uploaded', this.$('name').value);
 		}
-		catch (e) {}
+		else
+			Htk.Toast.showError (error.message);
 	}
 	
 	,setData: function (image, directory)
diff --git a/js/htk/image-editor.xml b/js/htk/image-editor.xml
index ade7773c..5f508659 100644
--- a/js/htk/image-editor.xml
+++ b/js/htk/image-editor.xml
@@ -3,9 +3,8 @@
 	<form
 		id="form"
 		method="post"
-		target="image-editor"
-		enctype="multipart/form-data"
-		on-submit="onFormSubmit">
+		action="json.php?method=image/upload"
+		enctype="multipart/form-data">
 		<div class="form-group">
 			<label for="name"><t>FileName</t></label>
 			<input id="name" type="text" name="name" on-change="onNameChange"/>
@@ -22,9 +21,5 @@
 		<input id="schema" type="hidden" name="schema"/>
 		<input id="max-size" type="hidden" name="MAX_FILE_SIZE"/>
 	</form>
-	<iframe
-		id="iframe"
-		name="image-editor"
-		on-load="onIframeLoad"/>
 </div>
 </vn>
diff --git a/js/vn/json-request.js b/js/vn/json-request.js
index dd031656..68706139 100644
--- a/js/vn/json-request.js
+++ b/js/vn/json-request.js
@@ -75,5 +75,14 @@ Vn.JsonRequest = new Class
 
 		this.sendWithUrl (params, callback, form.method, form.action);
 	}
+	
+	,sendFormMultipart: function (form, callback)
+	{
+		var request = new XMLHttpRequest ();
+		request.open (form.method, form.action, true);
+		request.onreadystatechange =
+			this._onStateChange.bind (this, request, callback);
+		request.send (new FormData (form));
+	}
 });
 
diff --git a/json.php b/json.php
index 3b38f063..9131590e 100755
--- a/json.php
+++ b/json.php
@@ -1,9 +1,8 @@
 <?php
 
-require_once ('vn/hedera/hedera.php');
 require_once ('vn/web/json-app.php');
 
-$restApp = new Vn\Web\JsonApp (Vn\Hedera\APP_NAME, 'rest');
+$restApp = new Vn\Web\JsonApp ('hedera-web', 'rest');
 $restApp->run ();
 
 ?>
diff --git a/pages/main/main.js b/pages/main/main.js
index 227168e7..8e909ad4 100644
--- a/pages/main/main.js
+++ b/pages/main/main.js
@@ -11,6 +11,6 @@ Vn.include ('js/hedera/main');
 
 Vn.main (function ()
 {
-	app = new Vn.App ();
-	app.run ();
+	hederaWeb = new Vn.App ();
+	hederaWeb.run ();
 });
diff --git a/rest.php b/rest.php
index 8b611131..7905fd5f 100755
--- a/rest.php
+++ b/rest.php
@@ -1,9 +1,8 @@
 <?php
 
-require_once ('vn/hedera/hedera.php');
 require_once ('vn/web/rest-app.php');
 
-$restApp = new Vn\Web\RestApp (Vn\Hedera\APP_NAME, 'rest');
+$restApp = new Vn\Web\RestApp ('hedera-web', 'rest');
 $restApp->run ();
 
 ?>
diff --git a/rest/core/captcha.php b/rest/core/captcha.php
index 565de556..32296d21 100755
--- a/rest/core/captcha.php
+++ b/rest/core/captcha.php
@@ -1,10 +1,10 @@
 <?php
 
-require_once ('vn/web/http-request.php');
+require_once ('vn/web/rest-request.php');
 require_once ('PEAR.php');
 require_once ('Text/CAPTCHA.php');
 
-class Captcha extends Vn\Web\HttpRequest
+class Captcha extends Vn\Web\RestRequest
 {
 	function run ()
 	{
diff --git a/rest/core/log.php b/rest/core/log.php
index 2d5e45f6..0ee55b8d 100755
--- a/rest/core/log.php
+++ b/rest/core/log.php
@@ -20,8 +20,10 @@ class Log extends Vn\Web\JsonRequest
 		
 		if (!$this->checkParams ($_REQUEST, $params))
 			return FALSE;
-
-		error_log (sprintf ('Browser: %s(%d): %s. Stack: %s'
+			
+		$user = isset ($_SESSION['user']) ? $_SESSION['user'] : 'guest';
+		error_log (sprintf ("Javascript: User: %s: %s(%d): %s.\n%s"
+			,$user
 			,$_REQUEST['file']
 			,$_REQUEST['line']
 			,$_REQUEST['message']
diff --git a/rest/core/login.php b/rest/core/login.php
index c6bf1710..bdd4862f 100755
--- a/rest/core/login.php
+++ b/rest/core/login.php
@@ -47,7 +47,7 @@ class Login extends Vn\Web\JsonRequest
 	}
 	
 	/**
-	 * Escapes the double cuotes from an string.
+	 * Escapes the double quotes from an string.
 	 **/
 	function escape ($str)
 	{
diff --git a/rest/core/query.php b/rest/core/query.php
index 71267576..31cd7bee 100755
--- a/rest/core/query.php
+++ b/rest/core/query.php
@@ -128,7 +128,7 @@ class Query extends Vn\Web\JsonRequest
 				{
 					if ($row['Code'] == 1265
 					&& ($warning = $db->getRow ($sql)))
-						$this->app->addWarning ($warning['description'], $warning['code']);
+						trigger_error ("${warning['code']}: ${warning['description']}", E_USER_WARNING);
 					else
 						trigger_error ("${row['Code']}: ${row['Message']}", E_USER_WARNING);
 				}
@@ -166,7 +166,7 @@ class Query extends Vn\Web\JsonRequest
 			}
 
 			if ($row)
-				throw new Lib\Exception ($row['description'], $row['code']);
+				throw new Lib\UserException ($row['description'], $row['code']);
 			else
 				throw $e;
 		}
diff --git a/rest/dms/invoice.php b/rest/dms/invoice.php
index 7c4e1123..65a726fc 100644
--- a/rest/dms/invoice.php
+++ b/rest/dms/invoice.php
@@ -1,9 +1,9 @@
 <?php
 
-require_once ('vn/web/json-request.php');
+require_once ('vn/web/rest-request.php');
 require_once ('vn/web/util.php');
 
-class Invoice extends Vn\Web\JsonRequest
+class Invoice extends Vn\Web\RestRequest
 {
 	function run ()
 	{
diff --git a/rest/image/image.php b/rest/image/image.php
index 474a2684..8fbd145d 100755
--- a/rest/image/image.php
+++ b/rest/image/image.php
@@ -1,8 +1,6 @@
 <?php
 
-namespace Vn\Hedera;
-
-static class Image
+class Image
 {	
 	/**
 	 * Creates an image resource from a valid image file.
@@ -140,7 +138,7 @@ static class Image
 		}
 		
 		if (!$saved)
-			throw new Exception (sprintf (s('File save error: %s'), $dstFile), 'saveError', ));
+			throw new Exception (sprintf (s('File save error: %s'), $dstFile), 'saveError');
 	}
 }
 
diff --git a/rest/image/resize.php b/rest/image/resize.php
index 865b885d..985c798c 100644
--- a/rest/image/resize.php
+++ b/rest/image/resize.php
@@ -1,8 +1,7 @@
 <?php
 
-require_once (__DIR__.'/image-method.php');
-
-use Vn\Hedera\Image;
+require_once ('vn/lib/method.php');
+require_once (__DIR__.'/lib.php');
 
 /**
  * Resizes all images allocated in a directory.
@@ -13,7 +12,7 @@ use Vn\Hedera\Image;
  * @param integer $maxWidth The maximum width of resized image in pixels
  * @param boolean $rewrite Wether to rewrite the destination file if it exits
  **/
-class Resize extends ImageMethod
+class Resize extends Vn\Lib\Method
 {
 	function run ()
 	{
@@ -65,7 +64,7 @@ class Resize extends ImageMethod
 			catch (\Exception $e) {}
 		}
 		
-		return $count;
+		echo "$count files resized";
 	}
 }
 
diff --git a/rest/image/sync.php b/rest/image/sync.php
index 396e8c3b..78c525d7 100644
--- a/rest/image/sync.php
+++ b/rest/image/sync.php
@@ -1,16 +1,23 @@
 <?php
 
-require_once (__DIR__.'/image-request.php');
-
-use Vn\Hedera\Image;
+require_once ('vn/lib/method.php');
+require_once (__DIR__.'/util.php');
 
 /**
  * Syncronizes the data directory with the database, this may take
  * some time.
  **/
-class Sync extends ImageRequest
+class Sync extends Vn\Lib\Method
 {
 	private $trashSubdir;
+	private $util;
+
+	function __construct ($app)
+	{
+		parent::__construct ($app);
+		$this->util = new Util ($app);
+		$this->dataDir = $this->util->dataDir;
+	}
 
 	function run ()
 	{
@@ -79,7 +86,7 @@ class Sync extends ImageRequest
 				$this->cleanImages ($schema, $size, $map);
 		}
 
-		return TRUE;
+		echo "Syncronization finished";
 	}
 	
 	function cleanImages ($schema, $size, &$map)
diff --git a/rest/image/thumb.php b/rest/image/thumb.php
index f5a7fdbe..72f1b8b0 100644
--- a/rest/image/thumb.php
+++ b/rest/image/thumb.php
@@ -1,8 +1,7 @@
 <?php
 
-require_once (__DIR__.'/image-request.php');
-
-use Vn\Hedera\Image;
+require_once ('vn/web/rest-request.php');
+require_once (__DIR__.'/util.php');
 
 /**
  * Creates a thumb from an existing full image.
@@ -12,7 +11,7 @@ use Vn\Hedera\Image;
  * @param integer $width The width of the thumb
  * @param integer $height The height of the thumb
  **/
-class Thumb extends ImageRequest
+class Thumb extends Vn\Web\RestRequest
 {
 	function run ()
 	{
@@ -67,7 +66,9 @@ class Thumb extends ImageRequest
 
 		// Creates the thumb.
 
-		$baseDir = "{$this->dataDir}/$schema";
+		
+		$util = new Util ($this->app);
+		$baseDir = "{$util->dataDir}/$schema";
 		$srcFile = "$baseDir/full/$file";
 		$dstFile = "$baseDir/{$width}x{$height}/$file";
 		$symbolicSrc = "../full/$file";
diff --git a/rest/image/upload.php b/rest/image/upload.php
index d08c831a..28c03e20 100755
--- a/rest/image/upload.php
+++ b/rest/image/upload.php
@@ -1,18 +1,19 @@
 <?php
 
-require_once (__DIR__.'/image-request.php');
+require_once ('vn/web/json-request.php');
+require_once (__DIR__.'/util.php');
 
 use Vn\Lib;
-use Vn\Hedera\Image;
 
 /**
  * Uploads a file creating its corresponding sizes.
  **/
-class Upload extends ImageRequest
+class Upload extends Vn\Web\JsonRequest
 {
-	static function run ()
+	function run ()
 	{
 		$db = $this->login ();
+		$util = new Util ($this->app);
 
 		// Checks schema.
 		
@@ -22,7 +23,7 @@ class Upload extends ImageRequest
 			throw new Lib\UserException (s('BadSchemaName'), 'badSchemaName');
 
 		$schema = $_REQUEST['schema'];
-		$info = $this->loadInfo ($schema);
+		$info = $util->loadInfo ($schema);
 		
 		if (!$info)
 			throw new Lib\UserException (s('SchemaNotExists'), 'schemaNotExists');
@@ -126,12 +127,11 @@ class Upload extends ImageRequest
 		// Resizes and saves the image.
 
 		$fileName = "{$_REQUEST['name']}.png";
-		$schemaPath = "{$this->dataDir}/$schema";
+		$schemaPath = "{$util->dataDir}/$schema";
 		$fullFile = "$schemaPath/full/$fileName";
 		$symbolicSrc = "../full/$fileName";
 	
 		$image = Image::create ($_FILES['image']['tmp_name']);
-
 		Image::resizeSave ($image, $fullFile, $info['max_height'], $info['max_width']);
 
 		foreach ($info['sizes'] as $size => $i)
diff --git a/rest/image/image-request.php b/rest/image/util.php
similarity index 79%
rename from rest/image/image-request.php
rename to rest/image/util.php
index 2cd261ab..fcb1bd92 100755
--- a/rest/image/image-request.php
+++ b/rest/image/util.php
@@ -1,18 +1,18 @@
 <?php
 
-require_once ('vn/web/json-request.php');
 require_once (__DIR__.'/image.php');
 
 /**
  * Base class for image methods.
  **/
-abstract class ImageRequest extends Vn\Web\JsonRequest
+class Util
 {
-	protected $dataDir;
+	var $app;
+	var $dataDir;
 
 	function __construct ($app)
 	{
-		parent::__construct ($app);
+		$this->app = $app;
 		$this->dataDir = _DATA_DIR .'/'. $app->getName () .'/image';
 	}
 
@@ -23,9 +23,9 @@ abstract class ImageRequest extends Vn\Web\JsonRequest
 	 **/
 	function loadInfo ($schema)
 	{
-		$db = $this->getSysConn ();
+		$db = $this->app->getSysConn ();
 	
-		$info = $conn->getRow (
+		$info = $db->getRow (
 			'SELECT id, max_width, max_height, `schema`, `table`, `column` 
 				FROM image_schema WHERE name = #schema'
 			,['schema' => $schema]
@@ -34,7 +34,7 @@ abstract class ImageRequest extends Vn\Web\JsonRequest
 		if (!$info)
 			return NULL;
 
-		$res = $conn->query (
+		$res = $db->query (
 			'SELECT width, height, crop
 				FROM image_schema_size WHERE image_schema_id = #id'
 			,['id' => $info['id']]
diff --git a/rest/misc/visits-sync.php b/rest/misc/visits-sync.php
index 12dfbf33..44fa7251 100644
--- a/rest/misc/visits-sync.php
+++ b/rest/misc/visits-sync.php
@@ -1,13 +1,11 @@
 <?php
 
-require_once ('vn/web/json-request.php');
+require_once ('vn/lib/method.php');
 
-class VisitsSync extends Vn\Web\JsonRequest
+class VisitsSync extends Vn\Lib\Method
 {
 	function run ()
 	{
-		$this->login ();
-
 		$db = $this->getSysConn ();
 		$result = $db->query ("SELECT id, agent FROM visit_agent
 			WHERE version = '0.0' OR platform = 'unknown' OR cookies IS NULL ORDER BY id DESC");
@@ -29,6 +27,8 @@ class VisitsSync extends Vn\Web\JsonRequest
 			);
 
 			// Update the visit info using browscap
+			
+			$count = 0;
 
 			while ($row = $result->fetch_assoc ())
 			{
@@ -40,19 +40,17 @@ class VisitsSync extends Vn\Web\JsonRequest
 				$cookies    = $info->cookies;
 				$id         = $row['id'];
 				$stmt->execute ();
+				
+				$count++;
 			}
 			
-			$result = TRUE;
+			echo "$count records updated";
 		}
-		else
-			$result = FALSE;	
 
 		if ($stmt)
 			$stmt->close ();
 		if ($result)
 			$result->free ();
-			
-		return $result;
 	}
 }
 
diff --git a/rest/tpv/confirm-soap.php b/rest/tpv/confirm-soap.php
index e3183f75..6bfac450 100644
--- a/rest/tpv/confirm-soap.php
+++ b/rest/tpv/confirm-soap.php
@@ -1,13 +1,13 @@
 <?php
 
-require_once ('vn/web/http-request.php');
+require_once ('vn/web/rest-request.php');
 require_once ('vn/web/util.php');
 require_once (__DIR__.'/tpv.php');
 
 /**
  * Gets transaction confirmation from SOAP service.
  **/
-class ConfirmSoap extends Vn\Web\HttpRequest
+class ConfirmSoap extends Vn\Web\RestRequest
 {
 	function run ()
 	{
diff --git a/rest/tpv/tpv.php b/rest/tpv/tpv.php
index 7018fa76..cd79e732 100755
--- a/rest/tpv/tpv.php
+++ b/rest/tpv/tpv.php
@@ -1,8 +1,6 @@
 <?php
 
-namespace Vn\Tpv;
-
-static class Tpv
+class Tpv
 {
 	/**
 	 * Tryes to confirm a transaction with the given params.
diff --git a/rest/tpv/transaction.php b/rest/tpv/transaction.php
index d9b7deac..2e835b67 100755
--- a/rest/tpv/transaction.php
+++ b/rest/tpv/transaction.php
@@ -1,9 +1,6 @@
 <?php
 
 require_once ('vn/web/json-request.php');
-require_once ('vn/tpv/tpv.php');
-
-use Vn\Lib;
 
 /**
  * Starts a new TPV transaction and returns the params.
@@ -12,15 +9,14 @@ class Transaction extends Vn\Web\JsonRequest
 {
 	function run ()
 	{
-		$this->login ();
+		$db = $this->login ();
 
 		if (empty ($_REQUEST['amount']))
 			throw new Exception  ('Amount parameter not defined');
 
 		$amount = (int) $_REQUEST['amount'];
 		$companyId = empty ($_REQUEST['company']) ? NULL : $_REQUEST['company'];
-
-		$db = $this->getSysConn ();
+			
 		$row = $db->getRow ('CALL transaction_start_sha256 (#, #)',
 			[$amount, $companyId]);
 		
@@ -55,11 +51,11 @@ class Transaction extends Vn\Web\JsonRequest
 		$signature = base64_encode (hash_hmac ('sha256', $encodedParams, $key, TRUE));
 		$url = $row['url'];
 
-		$this->json ([
+		return [
 			 'url'       => $url
 			,'params'    => $encodedParams
 			,'signature' => $signature
-		]);
+		];
 	}
 }
 
diff --git a/vn/hedera/hedera.php b/vn/hedera/hedera.php
deleted file mode 100755
index 1b537f79..00000000
--- a/vn/hedera/hedera.php
+++ /dev/null
@@ -1,9 +0,0 @@
-<?php
-
-namespace Vn\Hedera;
-
-require_once ('vn/web/app.php');
-
-const APP_NAME = 'hedera-web';
-
-?>
diff --git a/vn/web/http-request.php b/vn/web/http-request.php
deleted file mode 100644
index 576bf644..00000000
--- a/vn/web/http-request.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-
-namespace Vn\Web;
-
-require_once (__DIR__.'/rest-app.php');
-
-/**
- * Base class for REST services.
- **/
-abstract class HttpRequest extends \Vn\Lib\Method {}
-
-?>
diff --git a/vn/web/json-app.php b/vn/web/json-app.php
index 413c7d53..771c90e2 100644
--- a/vn/web/json-app.php
+++ b/vn/web/json-app.php
@@ -3,6 +3,7 @@
 namespace Vn\Web;
 
 require_once (__DIR__.'/rest-app.php');
+require_once (__DIR__.'/json-request.php');
 require_once (__DIR__.'/json-reply.php');
 
 use Vn\Lib;
diff --git a/vn/web/json-request.php b/vn/web/json-request.php
index bde39840..be9a945b 100644
--- a/vn/web/json-request.php
+++ b/vn/web/json-request.php
@@ -3,10 +3,11 @@
 namespace Vn\Web;
 
 require_once (__DIR__.'/json-app.php');
+require_once (__DIR__.'/rest-request.php');
 
 /**
  * Base class for JSON services.
  **/
-abstract class JsonRequest extends \Vn\Lib\Method {}
+abstract class JsonRequest extends RestRequest {}
 
 ?>
diff --git a/vn/web/rest-app.php b/vn/web/rest-app.php
index dcf6025c..da7c9f67 100644
--- a/vn/web/rest-app.php
+++ b/vn/web/rest-app.php
@@ -3,6 +3,7 @@
 namespace Vn\Web;
 
 require_once (__DIR__.'/app.php');
+require_once (__DIR__.'/rest-request.php');
 
 use Vn\Lib;
 
diff --git a/vn/web/rest-request.php b/vn/web/rest-request.php
new file mode 100644
index 00000000..397efddc
--- /dev/null
+++ b/vn/web/rest-request.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace Vn\Web;
+
+require_once (__DIR__.'/rest-app.php');
+
+/**
+ * Base class for REST services.
+ **/
+abstract class RestRequest extends \Vn\Lib\Method
+{
+	/**
+	 * Authenticates the user agaisnt database and returns its associated
+	 * database connection.
+	 *
+	 * return Db\Conn The database connection
+	 **/
+	function login ()
+	{
+		return $this->app->login ();
+	}
+	
+	/**
+	 * Logouts the current user.
+	 **/
+	function logout ()
+	{
+		$this->app->logout ();
+	}
+}
+
+?>