Files
iTop/webservices/rest.php

508 lines
12 KiB
PHP

<?php
// Copyright (C) 2010-2013 Combodo SARL
//
// This file is part of iTop.
//
// iTop is free software; you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// iTop is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with iTop. If not, see <http://www.gnu.org/licenses/>
/**
* Entry point for all the REST services
*
* --------------------------------------------------
* Create an object
* --------------------------------------------------
* POST itop/webservices/rest.php
* {
* operation: 'object_create',
* comment: 'Synchronization from blah...',
* class: 'UserRequest',
* results: 'id, friendlyname',
* fields:
* {
* org_id: 'SELECT Organization WHERE name = "Demo"',
* caller_id:
* {
* name: 'monet',
* first_name: 'claude',
* }
* title: 'Houston, got a problem!',
* description: 'The fridge is empty'
* contacts_list:
* [
* {
* role: 'pizza delivery',
* contact_id:
* {
* finalclass: 'Person',
* name: 'monet',
* first_name: 'claude'
* }
* }
* ]
* }
* }
*
*
* @copyright Copyright (C) 2010-2013 Combodo SARL
* @license http://opensource.org/licenses/AGPL-3.0
*/
if (!defined('__DIR__')) define('__DIR__', dirname(__FILE__));
require_once(__DIR__.'/../approot.inc.php');
require_once(APPROOT.'/application/application.inc.php');
require_once(APPROOT.'/application/clipage.class.inc.php');
require_once(APPROOT.'/application/startup.inc.php');
class RestServices
{
public function InitTrackingComment($oData)
{
$sComment = $this->GetMandatoryParam($oData, 'comment');
CMDBObject::SetTrackInfo($sComment);
}
public function GetMandatoryParam($oData, $sParamName)
{
if (isset($oData->$sParamName))
{
return $oData->$sParamName;
}
else
{
throw new Exception("Missing parameter '$sParamName'");
}
}
public function GetOptionalParam($oData, $sParamName, $default)
{
if (isset($oData->$sParamName))
{
return $oData->$sParamName;
}
else
{
return $default;
}
}
public function GetClass($oData, $sParamName)
{
$sClass = $this->GetMandatoryParam($oData, $sParamName);
if (!MetaModel::IsValidClass($sClass))
{
throw new Exception("$sParamName: '$sClass' is not a valid class'");
}
return $sClass;
}
public function GetFieldList($sClass, $oData, $sParamName)
{
$sFields = $this->GetOptionalParam($oData, $sParamName, '*');
$aShowFields = array();
if ($sFields == '*')
{
foreach (MetaModel::ListAttributeDefs($sClass) as $sAttCode => $oAttDef)
{
$aShowFields[] = $sAttCode;
}
}
else
{
foreach(explode(',', $sFields) as $sAttCode)
{
$sAttCode = trim($sAttCode);
if (($sAttCode != 'id') && (!MetaModel::IsValidAttCode($sClass, $sAttCode)))
{
throw new Exception("$sParamName: invalid attribute code '$sAttCode'");
}
$aShowFields[] = $sAttCode;
}
}
return $aShowFields;
}
protected function FindObjectFromCriteria($sClass, $oCriteria)
{
$aCriteriaReport = array();
if (isset($oCriteria->finalclass))
{
$sClass = $oCriteria->finalclass;
if (!MetaModel::IsValidClass($sClass))
{
throw new Exception("finalclass: Unknown class '$sClass'");
}
}
$oSearch = new DBObjectSearch($sClass);
foreach ($oCriteria as $sAttCode => $value)
{
$realValue = $this->MakeValue($sClass, $sAttCode, $value);
$oSearch->AddCondition($sAttCode, $realValue);
$aCriteriaReport[] = "$sAttCode: $value ($realValue)";
}
$oSet = new DBObjectSet($oSearch);
$iCount = $oSet->Count();
if ($iCount == 0)
{
throw new Exception("No item found for criteria: ".implode(', ', $aCriteriaReport));
}
elseif ($iCount > 1)
{
throw new Exception("Several items found ($iCount) for criteria: ".implode(', ', $aCriteriaReport));
}
$res = $oSet->Fetch();
return $res;
}
public function FindObjectFromKey($sClass, $key)
{
if (is_object($key))
{
$res = $this->FindObjectFromCriteria($sClass, $key);
}
elseif (is_numeric($key))
{
$res = MetaModel::GetObject($sClass, $key);
}
elseif (is_string($key))
{
// OQL
$oSearch = DBObjectSearch::FromOQL($key);
$oSet = new DBObjectSet($oSearch);
$iCount = $oSet->Count();
if ($iCount == 0)
{
throw new Exception("No item found for query: $key");
}
elseif ($iCount > 1)
{
throw new Exception("Several items found ($iCount) for query: $key");
}
$res = $oSet->Fetch();
}
else
{
throw new Exception("Wrong format for key");
}
return $res;
}
public function GetObjectSetFromKey($sClass, $key)
{
if (is_object($key))
{
if (isset($oCriteria->finalclass))
{
$sClass = $oCriteria->finalclass;
if (!MetaModel::IsValidClass($sClass))
{
throw new Exception("finalclass: Unknown class '$sClass'");
}
}
$oSearch = new DBObjectSearch($sClass);
foreach ($key as $sAttCode => $value)
{
$realValue = $this->MakeValue($sClass, $sAttCode, $value);
$oSearch->AddCondition($sAttCode, $realValue);
}
}
elseif (is_numeric($key))
{
$oSearch = new DBObjectSearch($sClass);
$oSearch->AddCondition('id', $key);
}
elseif (is_string($key))
{
// OQL
$oSearch = DBObjectSearch::FromOQL($key);
$oObjectSet = new DBObjectSet($oSearch);
}
else
{
throw new Exception("Wrong format for key");
}
$oObjectSet = new DBObjectSet($oSearch);
return $oObjectSet;
}
protected function MakeValue($sClass, $sAttCode, $value)
{
try
{
if (!MetaModel::IsValidAttCode($sClass, $sAttCode))
{
throw new Exception("Unknown attribute");
}
$oAttDef = MetaModel::GetAttributeDef($sClass, $sAttCode);
if ($oAttDef instanceof AttributeExternalKey)
{
$oExtKeyObject = $this->FindObjectFromKey($oAttDef->GetTargetClass(), $value);
$value = $oExtKeyObject->GetKey();
}
elseif ($oAttDef instanceof AttributeLinkedSet)
{
if (!is_array($value))
{
throw new Exception("A link set must be defined by an array of objects");
}
$sLnkClass = $oAttDef->GetLinkedClass();
$aLinks = array();
foreach($value as $oValues)
{
$oLnk = $this->MakeObjectFromFields($sLnkClass, $oValues);
$aLinks[] = $oLnk;
}
$value = DBObjectSet::FromArray($sLnkClass, $aLinks);
}
}
catch (Exception $e)
{
throw new Exception("$sAttCode: ".$e->getMessage());
}
return $value;
}
public function MakeObjectFromFields($sClass, $aFields)
{
$oObject = MetaModel::NewObject($sClass);
foreach ($aFields as $sAttCode => $value)
{
$realValue = $this->MakeValue($sClass, $sAttCode, $value);
$oObject->Set($sAttCode, $realValue);
}
return $oObject;
}
public function UpdateObjectFromFields($oObject, $aFields)
{
$sClass = get_class($oObject);
foreach ($aFields as $sAttCode => $value)
{
$realValue = $this->MakeValue($sClass, $sAttCode, $value);
$oObject->Set($sAttCode, $realValue);
}
return $oObject;
}
}
class FieldResult
{
protected $value;
public function __construct()
{
}
public function GetValue()
{
}
}
class ObjectResult
{
public $code;
public $message;
public $fields;
public function __construct()
{
$this->code = 0;
$this->message = '';
$this->fields = array();
}
protected function MakeResultValue($oObject, $sAttCode)
{
if ($sAttCode == 'id')
{
$value = $oObject->GetKey();
}
else
{
$sClass = get_class($oObject);
$oAttDef = MetaModel::GetAttributeDef($sClass, $sAttCode);
if ($oAttDef instanceof AttributeLinkedSet)
{
$value = array();
// Make the list of required attributes
// - Skip attributes pointing to the current object (redundant data)
// - Skip link sets refering to the current data (infinite recursion!)
$aRelevantAttributes = array();
$sLnkClass = $oAttDef->GetLinkedClass();
foreach (MetaModel::ListAttributeDefs($sLnkClass) as $sLnkAttCode => $oLnkAttDef)
{
// Skip any attribute of the link that points to the current object
//
if ($sLnkAttCode == $oAttDef->GetExtKeyToMe()) continue;
if (method_exists($oLnkAttDef, 'GetKeyAttCode'))
{
if ($oLnkAttDef->GetKeyAttCode() ==$oAttDef->GetExtKeyToMe()) continue;
}
$aRelevantAttributes[] = $sLnkAttCode;
}
// Iterate on the set and build an array of array of attcode=>value
$oSet = $oObject->Get($sAttCode);
while ($oLnk = $oSet->Fetch())
{
$aLnkValues = array();
foreach ($aRelevantAttributes as $sLnkAttCode)
{
$aLnkValues[$sLnkAttCode] = $this->MakeResultValue($oLnk, $sLnkAttCode);
}
$value[] = $aLnkValues;
}
}
else
{
$value = $oObject->GetEditValue($sAttCode);
}
}
return $value;
}
public function AddField($oObject, $sAttCode)
{
$this->fields[$sAttCode] = $this->MakeResultValue($oObject, $sAttCode);
}
}
class RestResult
{
public function __construct()
{
}
public $code;
public $message;
public $objects;
public function AddObject($iCode, $sMessage, $oObject = null, $aFields = null)
{
$oObjRes = new ObjectResult();
$oObjRes->code = $iCode;
$oObjRes->message = $sMessage;
if ($oObject)
{
foreach ($aFields as $sAttCode)
{
$oObjRes->AddField($oObject, $sAttCode);
}
}
$this->objects[] = $oObjRes;
}
}
////////////////////////////////////////////////////////////////////////////////
//
// Main
//
$oP = new CLIPage("iTop - REST");
$oResult = new RestResult();
try
{
utils::UseParamFile();
$sAuthUser = utils::ReadPostedParam('auth_user', null, 'raw_data');
$sAuthPwd = utils::ReadPostedParam('auth_pwd', null, 'raw_data');
if (UserRights::CheckCredentials($sAuthUser, $sAuthPwd))
{
UserRights::Login($sAuthUser); // Login & set the user's language
}
else
{
throw new Exception("Invalid login '$sAuthUser'");
}
$aJsonData = json_decode(utils::ReadPostedParam('json_data', null, 'raw_data'));
if ($aJsonData == null)
{
throw new Exception('Parameter json_data is not a valid JSON structure');
}
$oRS = new RestServices();
$sOperation = $oRS->GetMandatoryParam($aJsonData, 'operation');
switch ($sOperation)
{
case 'object_create':
$oRS->InitTrackingComment($aJsonData);
$sClass = $oRS->GetClass($aJsonData, 'class');
$aFields = $oRS->GetMandatoryParam($aJsonData, 'fields');
$aShowFields = $oRS->GetFieldList($sClass, $aJsonData, 'results');
$oObject = $oRS->MakeObjectFromFields($sClass, $aFields);
$oObject->DBInsert();
$oResult->AddObject(0, 'created', $oObject, $aShowFields);
break;
case 'object_update':
$oRS->InitTrackingComment($aJsonData);
$sClass = $oRS->GetClass($aJsonData, 'class');
$key = $oRS->GetMandatoryParam($aJsonData, 'key');
$aFields = $oRS->GetMandatoryParam($aJsonData, 'fields');
$aShowFields = $oRS->GetFieldList($sClass, $aJsonData, 'results');
$oObject = $oRS->FindObjectFromKey($sClass, $key);
$oRS->UpdateObjectFromFields($oObject, $aFields);
$oObject->DBUpdate();
$oResult->AddObject(0, 'updated', $oObject, $aShowFields);
break;
case 'object_get':
$sClass = $oRS->GetClass($aJsonData, 'class');
$key = $oRS->GetMandatoryParam($aJsonData, 'key');
$aShowFields = $oRS->GetFieldList($sClass, $aJsonData, 'results');
$oObjectSet = $oRS->GetObjectSetFromKey($sClass, $key);
while ($oObject = $oObjectSet->Fetch())
{
$oResult->AddObject(0, '', $oObject, $aShowFields);
}
$oResult->message = "Found: ".$oObjectSet->Count();
break;
default:
throw new Exception("Uknown operation '$sOperation'");
}
}
catch(Exception $e)
{
$oResult->code = 1234;
$oResult->message = "Error: ".$e->GetMessage();
}
$oP->add(json_encode($oResult));
$oP->Output();
?>