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<?php
/**
* ---------------------------------------------------------------------
*
* GLPI - Gestionnaire Libre de Parc Informatique
*
* http://glpi-project.org
*
* @copyright 2015-2022 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\Features;
use Agent;
use CommonDBTM;
use Computer;
use Computer_Item;
use DatabaseInstance;
use Glpi\Inventory\Conf;
use Glpi\Plugin\Hooks;
use Html;
use Plugin;
use RefusedEquipment;
trait Inventoriable
{
/** @var CommonDBTM|null */
protected ?CommonDBTM $agent = null;
public function pre_purgeInventory()
{
$file_name = $this->getInventoryFileName();
if ($file_name === null) {
//file does not exists
return true;
}
return unlink($file_name);
}
/**
* Get inventory file name.
*
* @param bool $prepend_dir_path Indicated wether the GLPI_INVENTORY_DIR have to be prepend to returned value.
*
* @return void|string
*/
public function getInventoryFileName(bool $prepend_dir_path = true): ?string
{
if ($this->isField('autoupdatesystems_id')) {
$source = new \AutoUpdateSystem();
$source->getFromDBByCrit(['name' => 'GLPI Native Inventory']);
if (
!$this->isDynamic()
|| !isset($source->fields['id'])
|| $this->fields['autoupdatesystems_id'] != $source->fields['id']
) {
return null;
}
}
$inventory_dir_path = GLPI_INVENTORY_DIR . '/';
$itemtype = $this->agent->fields['itemtype'] ?? $this->getType();
$items_id = $this->agent->fields['items_id'] ?? $this->fields['id'];
$conf = new Conf();
//most files will be XML for now
$filename = $conf->buildInventoryFileName($itemtype, $items_id, 'xml');
if (!file_exists($inventory_dir_path . $filename)) {
$filename = $conf->buildInventoryFileName($itemtype, $items_id, 'json');
if (!file_exists($inventory_dir_path . $filename)) {
return null;
}
}
return ($prepend_dir_path ? $inventory_dir_path : '') . $filename;
}
/**
* Display information on inventory
*
* @return void
*/
protected function showInventoryInfo()
{
global $CFG_GLPI, $DB;
if (!$this->isDynamic()) {
return;
}
echo '<tr>';
echo '<th colspan="4">' . __('Inventory information');
$agent = $this->getInventoryAgent();
$download_file = $this->getInventoryFileName(false);
if ($download_file !== null) {
$href = sprintf(
"%s/front/document.send.php?file=_inventory/%s",
$CFG_GLPI["root_doc"],
$download_file
);
$title = sprintf(
//TRANS: parameter is the name of the asset
__('Download "%1$s" inventory file'),
$this->getName()
);
echo sprintf(
"<a href='%s' style='float: right;' target='_blank'><i class='fas fa-download' title='%s'></i></a>",
$href,
$title
);
if (static::class == RefusedEquipment::class) {
echo sprintf(
"<a href='%s' target='_blank' style='float: right;margin-right: .5em;'><i class='fas fa-redo' title='%s'></i></a>",
$CFG_GLPI['root_doc'] . '/front/inventory.php?refused=' . $this->fields['id'],
__('Try a reimport from stored inventory file')
);
}
} else {
echo sprintf(
"<span style='float: right;'><i class='fas fa-ban'></i> <span class='sr-only'>%s</span></span>",
__('Inventory file missing')
);
}
echo '</th>';
echo '</tr>';
if ($agent === null) {
echo '<tr class="tab_bg_1">';
echo '<td colspan="4">' . __('No agent has been linked.') . '</td>';
echo "</tr>";
} else {
$this->displayAgentInformation();
}
// Display auto inventory information
if (
!empty($this->fields['id'])
&& $this->maybeDynamic() && $this->fields["is_dynamic"]
) {
echo "<tr class='tab_bg_1'><td colspan='4'>";
Plugin::doHook(Hooks::AUTOINVENTORY_INFORMATION, $this);
echo "</td></tr>";
}
}
/**
* Display agent information
*/
protected function displayAgentInformation()
{
global $CFG_GLPI;
echo '<tr class="tab_bg_1">';
echo '<td>' . Agent::getTypeName(1) . '</td>';
echo '<td>' . $this->agent->getLink() . '</td>';
echo '<td>' . __('Useragent') . '</td>';
echo '<td>' . $this->agent->fields['useragent'] . '</td>';
echo '</tr>';
echo '<tr class="tab_bg_1">';
echo '<td>' . __('Inventory tag') . '</td>';
echo '<td>' . $this->agent->fields['tag'] . '</td>';
echo '<td>' . __('Last inventory') . '</td>';
echo '<td>' . Html::convDateTime($this->agent->fields['last_contact']) . '</td>';
echo '</tr>';
echo '<tr class="tab_bg_1">';
echo '<td>' . __('Agent status');
echo "<i id='update-status' class='fas fa-sync' style='float: right;cursor: pointer;' title='" . __s('Ask agent about its current status') . "'></i>";
echo '</td>';
echo '<td id="agent_status">' . __('Unknown') . '</td>';
echo '<td>' . __('Request inventory');
echo "<i id='update-inventory' class='fas fa-sync' style='float: right;cursor: pointer;' title='" . __s('Request agent to proceed an new inventory') . "'></i>";
echo '</td>';
echo '<td id="inventory_status">' . __('None') . '</td>';
echo '</tr>';
$status = Agent::ACTION_STATUS;
$inventory = Agent::ACTION_INVENTORY;
$js = <<<JAVASCRIPT
$(function() {
$('#update-status').on('click', function() {
$.post({
url: '{$CFG_GLPI['root_doc']}/ajax/agent.php',
timeout: 3000, //3 seconds timeout
data: {'action': '{$status}', 'id': '{$this->agent->fields['id']}'},
success: function(json) {
$('#agent_status').html(json.answer);
}
});
});
$('#update-inventory').on('click', function() {
$.post({
url: '{$CFG_GLPI['root_doc']}/ajax/agent.php',
timeout: 3000, //3 seconds timeout
data: {'action': '{$inventory}', 'id': '{$this->agent->fields['id']}'},
success: function(json) {
$('#inventory_status').html(json.answer);
}
});
});
});
JAVASCRIPT;
echo Html::scriptBlock($js);
}
public function getInventoryAgent(): ?Agent
{
global $DB;
$agent = new Agent();
$iterator = $DB->request([
'SELECT' => ['id'],
'FROM' => Agent::getTable(),
'WHERE' => [
'itemtype' => $this->getType(),
'items_id' => $this->fields['id']
],
'ORDERBY' => ['last_contact DESC'],
'LIMIT' => 1
]);
$has_agent = false;
if (count($iterator)) {
$has_agent = true;
$agent->getFromDB($iterator->current()['id']);
}
//if no agent has been found, check if there is a linked item for databases
if (!$has_agent && $this instanceof DatabaseInstance) {
if (!empty($this->fields['itemtype'] && !empty($this->fields['items_id']))) {
$has_agent = $agent->getFromDBByCrit([
'itemtype' => $this->fields['itemtype'],
'items_id' => $this->fields['items_id']
]);
}
}
//if no agent has been found, check if there is a linked item, and find its agent
if (!$has_agent && $this instanceof Computer) {
$citem = new Computer_Item();
$has_relation = $citem->getFromDBByCrit([
'itemtype' => $this->getType(),
'items_id' => $this->fields['id']
]);
if ($has_relation) {
$has_agent = $agent->getFromDBByCrit([
'itemtype' => Computer::getType(),
'items_id' => $citem->fields['computers_id']
]);
}
}
if ($has_agent) {
$this->agent = $agent;
}
return $this->agent;
}
}