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<?php
/**
* ---------------------------------------------------------------------
*
* GLPI - Gestionnaire Libre de Parc Informatique
*
* http://glpi-project.org
*
* @copyright 2015-2023 Teclib' and contributors.
* @copyright 2003-2014 by the INDEPNET Development Team.
* @licence https://www.gnu.org/licenses/gpl-3.0.html
*
* ---------------------------------------------------------------------
*
* LICENSE
*
* This file is part of GLPI.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* ---------------------------------------------------------------------
*/
namespace Glpi\Inventory;
use Glpi\Agent\Communication\AbstractRequest;
use Glpi\Agent\Communication\Headers\Common;
use Glpi\Plugin\Hooks;
use Plugin;
use Unmanaged;
/**
* Handle inventory request
* Both XML (legacy) and JSON inventory formats are supported.
*
* @see https://github.com/glpi-project/inventory_format/blob/master/inventory.schema.json
*/
class Request extends AbstractRequest
{
/** @var Inventory */
private $inventory;
/** @var bool */
private bool $is_discovery = false;
/** @var string */
private string $network_inventory_mode;
protected function initHeaders(): Common
{
return new Common();
}
/**
* Handle Query
*
* @param string $query Query mode (one of self::*_QUERY or self::*_ACTION)
* @param mixed $content Contents, optional
*
* @return boolean
*/
protected function handleAction($query, $content = null): bool
{
$this->query = $query;
switch ($query) {
case self::GET_PARAMS:
$this->getParams($content);
break;
case self::CONTACT_ACTION:
$this->contact($content);
break;
case self::PROLOG_QUERY:
$this->prolog($content);
break;
case self::INVENT_QUERY:
case self::INVENT_ACTION:
$this->inventory($content);
break;
case self::NETDISCOVERY_ACTION:
$this->networkDiscovery($content);
break;
case self::SNMP_QUERY:
case self::OLD_SNMP_QUERY:
case self::NETINV_ACTION:
$this->networkInventory($content);
break;
case self::REGISTER_ACTION:
case self::CONFIG_ACTION:
case self::ESX_ACTION:
case self::COLLECT_ACTION:
case self::DEPLOY_ACTION:
case self::WOL_ACTION:
default:
$this->addError("Query '$query' is not supported.", 501);
return false;
}
return true;
}
/**
* Handle Task
*
* @param string $task Task (one of self::*_TASK)
*
* @return array
*/
protected function handleTask($task): array
{
$params = [
'options' => [
'response' => []
],
'item' => $this->inventory->getAgent(),
];
switch ($task) {
case self::INVENT_TASK:
return $this->handleInventoryTask($params);
case self::NETDISCOVERY_TASK:
return $this->handleNetDiscoveryTask($params);
case self::NETINV_TASK:
return $this->handleNetInventoryTask($params);
case self::ESX_TASK:
return $this->handleESXTask($params);
case self::COLLECT_TASK:
return $this->handleCollectTask($params);
case self::DEPLOY_TASK:
return $this->handleDeployTask($params);
case self::WOL_TASK:
return $this->handleWakeOnLanTask($params);
case self::REMOTEINV_TASK:
return $this->handleRemoteInventoryTask($params);
default:
$this->addError("Task '$task' is not supported.", 400);
return [];
}
}
/**
* Handle agent GETPARAMS request
*
* @param mixed $data Inventory input following specs
*
* @return void
*/
public function getParams($data)
{
global $CFG_GLPI;
$this->inventory = new Inventory();
$this->inventory->contact($data);
$response = [
'expiration' => $CFG_GLPI['inventory_frequency'] ?? self::DEFAULT_FREQUENCY,
'status' => 'ok'
];
$params = [
'options' => [
'content' => $data,
'response' => $response
],
'item' => $this->inventory->getAgent()
];
$params = Plugin::doHookFunction(Hooks::INVENTORY_GET_PARAMS, $params);
$this->addToResponse($params['options']['response']);
}
/**
* Handle agent prolog request
*
* @param mixed $data Inventory input following specs
*
* @return void
*/
public function prolog($data)
{
global $CFG_GLPI;
if ($this->headers->hasHeader('GLPI-Agent-ID')) {
$this->setMode(self::JSON_MODE);
$response = [
'expiration' => $CFG_GLPI['inventory_frequency'] ?? self::DEFAULT_FREQUENCY,
'status' => 'ok'
];
} else {
$response = [
'PROLOG_FREQ' => $CFG_GLPI['inventory_frequency'] ?? self::DEFAULT_FREQUENCY,
'RESPONSE' => 'SEND'
];
}
$hook_params = [
'mode' => $this->getMode(),
'deviceid' => $this->getDeviceID(),
'response' => $response
];
$hook_response = Plugin::doHookFunction(
Hooks::PROLOG_RESPONSE,
$hook_params
);
$response = $hook_response['response'];
$this->addToResponse($response);
}
/**
* Handle agent network discovery request
*
* @param mixed $data Inventory input following specs
*
* @return void
*/
public function networkDiscovery($data)
{
$this->network_inventory_mode = Hooks::NETWORK_DISCOVERY;
$this->is_discovery = true;
$this->network($data);
}
/**
* Handle agent network inventory request
*
* @param mixed $data Inventory input following specs
*
* @return void
*/
public function networkInventory($data)
{
$this->network_inventory_mode = Hooks::NETWORK_INVENTORY;
$this->network($data);
}
/**
* Handle agent network inventory request
*
* @param mixed $data Inventory input following specs
*
* @return void
*/
public function network($data)
{
$this->inventory = new Inventory();
$this->inventory
->setDiscovery($this->isDiscovery())
->setData($data, $this->getMode());
$response = [];
$hook_params = [
'mode' => $this->getMode(),
'inventory' => $this->inventory,
'deviceid' => $this->getDeviceID(),
'response' => $response,
'query' => $this->query
];
$hook_response = Plugin::doHookFunction(
$this->network_inventory_mode,
$hook_params
);
if ($hook_response == $hook_params) {
//no hook, use native capabilities
$this->inventory($data);
} else {
//try to use hook response
if (isset($hook_response['response']) && count($hook_response['response'])) {
$this->addToResponse($response);
} else if (isset($hook_response['errors']) && count($hook_response['errors'])) {
$this->addError($hook_response['errors'], 400);
} else {
//nothing expected happens; this is an error
$this->addError("Query '" . $this->query . "' is not supported.", 400);
}
}
}
/**
* Handle agent CONTACT request
*
* @param mixed $data Inventory input following specs
*
* @return void
*/
public function contact($data)
{
global $CFG_GLPI;
$this->inventory = new Inventory();
$this->inventory->contact($data);
$response = [
'expiration' => $CFG_GLPI['inventory_frequency'] ?? self::DEFAULT_FREQUENCY,
'status' => 'ok'
];
//For the moment it's the Agent who informs us about the active tasks
$raw_data = $this->inventory->getRawData();
if ($raw_data !== null && property_exists($raw_data, 'enabled-tasks')) {
foreach ($raw_data->{'enabled-tasks'} as $task) {
$handle = $this->handleTask($task);
if (is_array($handle) && count($handle)) {
// Insert related task information under tasks list property
$response['tasks'][$task] = $handle;
} else {
// Task is not supported, disable it and add unsupported message in response
$this->addToResponse([
"message" => "$task task not supported",
"disabled" => $task
]);
}
}
}
$this->addToResponse($response);
}
/**
* Handle agent inventory request
*
* @param mixed $data Inventory input following specs
*
* @return void
*/
public function inventory($data)
{
global $CFG_GLPI;
if ($this->isDiscovery()) {
//force "partial" mode on network discoveries.
$data->partial = true;
}
$this->inventory = new Inventory();
$this->inventory
->setDiscovery($this->isDiscovery())
->setRequestQuery($this->query)
->setData($data, $this->getMode());
if (!$this->inventory->inError()) {
$this->inventory->doInventory($this->test_rules);
}
if ($this->inventory->inError()) {
foreach ($this->inventory->getErrors() as $error) {
$error_code = 500;
if (str_contains($error, "JSON does not validate")) {
$error_code = 400;
}
$this->addError($error, $error_code);
}
} else {
if ($this->headers->hasHeader('GLPI-Agent-ID')) {
$response = [
'expiration' => $CFG_GLPI['inventory_frequency'] ?? self::DEFAULT_FREQUENCY,
'status' => 'ok'
];
} else {
$response = ['RESPONSE' => 'SEND'];
}
$this->addToResponse($response);
}
}
/**
* Handle agent enabled inventory task support on contact request
*
* @param array $params Required hooks params
*
* @return array
*/
public function handleInventoryTask(array $params): array
{
// Preset response as GLPI supports native inventory by default
$params['options']['response'][self::INVENT_TASK] = [
'server' => 'glpi',
'version' => GLPI_VERSION
];
$params = Plugin::doHookFunction(Hooks::HANDLE_INVENTORY_TASK, $params);
// Return inventory task support
return $params['options']['response'][self::INVENT_TASK] ?? [];
}
/**
* Handle agent enabled netdiscovery task support on contact request
*
* @param array $params Required hooks params
*
* @return array
*/
public function handleNetDiscoveryTask(array $params): array
{
$params = Plugin::doHookFunction(Hooks::HANDLE_NETDISCOVERY_TASK, $params);
return $params['options']['response'][self::NETDISCOVERY_TASK] ?? [];
}
/**
* Handle agent enabled netinventory task support on contact request
*
* @param array $params Required hooks params
*
* @return array
*/
public function handleNetInventoryTask(array $params): array
{
$params = Plugin::doHookFunction(Hooks::HANDLE_NETINVENTORY_TASK, $params);
return $params['options']['response'][self::NETINV_TASK] ?? [];
}
/**
* Handle agent enabled ESX task support on contact request
*
* @param array $params Required hooks params
*
* @return array
*/
public function handleESXTask(array $params): array
{
$params = Plugin::doHookFunction(Hooks::HANDLE_ESX_TASK, $params);
return $params['options']['response'][self::ESX_TASK] ?? [];
}
/**
* Handle agent enabled collect task support on contact request
*
* @param array $params Required hooks params
*
* @return array
*/
public function handleCollectTask(array $params): array
{
$params = Plugin::doHookFunction(Hooks::HANDLE_COLLECT_TASK, $params);
return $params['options']['response'][self::COLLECT_TASK] ?? [];
}
/**
* Handle agent enabled deploy task support on contact request
*
* @param array $params Required hooks params
*
* @return array
*/
public function handleDeployTask(array $params): array
{
$params = Plugin::doHookFunction(Hooks::HANDLE_DEPLOY_TASK, $params);
return $params['options']['response'][self::DEPLOY_TASK] ?? [];
}
/**
* Handle agent enabled wakeonlan task support on contact request
*
* @param array $params Required hooks params
*
* @return array
*/
public function handleWakeOnLanTask(array $params): array
{
$params = Plugin::doHookFunction(Hooks::HANDLE_WAKEONLAN_TASK, $params);
return $params['options']['response'][self::WOL_TASK] ?? [];
}
/**
* Handle agent enabled remoteinventory task support on contact request
*
* @param array $params Required hooks params
*
* @return array
*/
public function handleRemoteInventoryTask(array $params): array
{
$params = Plugin::doHookFunction(Hooks::HANDLE_REMOTEINV_TASK, $params);
return $params['options']['response'][self::REMOTEINV_TASK] ?? [];
}
/**
* Get inventory request status
*
* @return array
*/
public function getInventoryStatus(): array
{
$items = $this->inventory->getItems();
$status = [
'metadata' => $this->inventory->getMetadata(),
'items' => $items
];
if (count($items) == 1) {
$item = $items[0];
$status += [
'itemtype' => $item->getType(),
'items_id' => $item->fields['id']
];
} else if (count($items)) {
// Defines 'itemtype' only if all items has same type
$itemtype = null;
foreach ($items as $item) {
if ($itemtype === null && $item->getType() != Unmanaged::class) {
$itemtype = $item->getType();
} else if ($itemtype !== $item->getType()) {
$itemtype = false;
break;
}
}
if ($itemtype) {
$status['itemtype'] = $itemtype;
}
}
return $status;
}
public function getInventory(): Inventory
{
return $this->inventory;
}
public function isDiscovery(): bool
{
return $this->is_discovery;
}
}