Merge branch 'Rest_API_fetch_ImageDetails' into 'master'

Fixes #1278 record image details are fetched

See merge request !604

include/Webservices/FileRetrieve.php

+<?php
+/*+***********************************************************************************
+ * The contents of this file are subject to the vtiger CRM Public License Version 1.0
+ * ("License"); You may not use this file except in compliance with the License
+ * The Original Code is:  vtiger CRM Open Source
+ * The Initial Developer of the Original Code is vtiger.
+ * Portions created by vtiger are Copyright (C) vtiger.
+ * All Rights Reserved.
+ *************************************************************************************/
+
+function vtws_file_retrieve($file_id, $user) {
+
+    global $log, $adb;
+
+    $idComponents = vtws_getIdComponents($file_id);
+    $attachmentId = $idComponents[1];
+    
+    $id = vtws_getAttachmentRecordId($attachmentId);
+    if(!$id || !$attachmentId) {
+        throw new WebServiceException(WebServiceErrorCode::$RECORDNOTFOUND, "Record you are trying to access is not found");
+    } else {
+        $id = vtws_getId($idComponents[0], $id);
+    }
+    
+    $webserviceObject = VtigerWebserviceObject::fromId($adb, $id);
+    $handlerPath = $webserviceObject->getHandlerPath();
+    $handlerClass = $webserviceObject->getHandlerClass();
+    
+    require_once $handlerPath;
+    $handler = new $handlerClass($webserviceObject, $user, $adb, $log);
+
+    // If setype of the record is not equal to webservice entity
+    $meta = $handler->getMeta();
+    $elementType = $meta->getObjectEntityName($id);
+    if ($elementType !== $webserviceObject->getEntityName()) {
+        throw new WebServiceException(WebServiceErrorCode::$INVALIDID, "Id specified is incorrect");
+    }
+
+    // If User don't have access to the module (OR) View is not allowed
+    $types = vtws_listtypes(null, $user);
+    $viewPermission = Users_Privileges_Model::isPermitted($elementType, 'DetailView', $recordId);
+    if (!$viewPermission || !in_array($elementType, $types['types'])) {
+        throw new WebServiceException(WebServiceErrorCode::$ACCESSDENIED, "Permission to perform the operation is denied");
+    }
+
+    $response = $handler->file_retrieve($id, $elementType, $attachmentId);
+    VTWS_PreserveGlobal::flush();
+
+    return $response;
+}
+
+?>