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servers_admin.php
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servers_admin.php
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<?php
require_once __DIR__ . "/common.php";
require_once __DIR__ . "/tools.php";
require_once __DIR__ . "/html_table.php";
require_once __DIR__ . "/lmtools.php";
require_once __DIR__ . "/servers_admin_db.php";
switch(true) {
case isset($_POST['submit_id']):
$msg = db_process();
main_form($msg);
break;
case isset($_POST['edit_id']):
edit_form();
break;
case isset($_POST['delete_id']):
$msg = db_delete_server();
main_form($msg);
break;
case isset($_POST['export_servers']) && $_POST['export_servers'] === "1":
$json = db_get_servers_json();
ajax_send_data($json, "application/json"); // q.v. common.php
break;
case isset($_FILES['server_import']):
$json = validate_uploaded_json();
if ($json === false) {
$msg = array('msg' => "Invalid server JSON.", 'lvl' => "failure");
} else {
$msg = db_import_servers_json($json);
}
main_form($msg);
break;
case isset($_POST['cancel']):
default:
main_form();
}
exit;
/**
* Display server list and controls to add or edit a server.
*
* @param string $response Print any error/success messages from a add or edit.
*/
function main_form($alert=null) {
db_connect($db);
$server_list = db_get_servers($db, array(), array(), "label", false);
$db->close();
$table = new html_table(array('class' => "table alt-rows-bgcolor"));
$headers = array("Name", "Label", "Licensing", "Active", "LM Default Usage Reporting", "Status", "Server Version", "Last Updated");
$table->add_row($headers, array(), "th");
// Don't display "no servers polled" notice when there are no servers in DB.
// Otherwise, assume all servers aren't polled until shown otherwise.
$display_notice = count($server_list) > 0 ? true : false;
foreach($server_list as $i => $server) {
$row = array(
$server['name'],
$server['label'],
ucwords($server['license_manager']),
$server['is_active'] === "1" ? "True" : "False",
$server['lm_default_usage_reporting'] === "1" ? "True" : "False",
$server['status'],
$server['version'],
date_format(date_create($server['last_updated']), "m/d/Y h:ia"),
"<button type='submit' form='server_list' name='edit_id' class='btn btn-link' value='{$server['id']}' aria-label='edit {$server['name']}'>EDIT</button>"
);
$table->add_row($row);
$last_row = $table->get_rows_count() - 1;
$table->update_cell($last_row, 0, null, null, "th");
switch($server['status']) {
case null:
$table->update_cell($last_row, 5, array('class'=>"info"), "Not Polled");
break;
case SERVER_UP:
// No table cell update.
$display_notice = false;
break;
case SERVER_VENDOR_DOWN:
$table->update_cell($last_row, 5, array('class'=>"warning"));
break;
case SERVER_DOWN:
default:
$table->update_cell($last_row, 5, array('class'=>"danger"));
break;
}
}
// Get alert HTML based on message/properties.
switch(true) {
case is_string($alert):
$alert_html = get_alert_html($alert);
break;
case isset($alert['msg']) && isset($alert['lvl']):
$alert_html = get_alert_html($alert['msg'], $alert['lvl']);
break;
case is_null($alert):
default:
$alert_html = "";
break;
}
if ($display_notice) {
$alert_html .= get_not_polled_notice();
}
// Control Panel
$control_panel_html = <<<HTML
<div id='control_panel'>
<button type='submit' form='server_list' name='edit_id' class='btn servers-control-panel' value='new'>New Server</button>
<button type='button' id='export' class='btn servers-control-panel'>Export Servers</button>
<button type='button' id='import' class='btn servers-control-panel'>Import Servers</button>
<form method="post" action="" enctype="multipart/form-data" id='upload-form' class='inline-block'>
<input type='file' accept='application/json' id='upload' name='server_import' class='servers-control-panel'>
</form>
</div>
HTML;
// Print view.
print_header();
print <<<HTML
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="servers_admin_jquery.js"></script>
<h1>Server Administration</h1>
<p>You may edit an existing server's name, label, active status, or add a new server to the database.<br>
Server names must be unique and in the form of <code>[email protected]</code>, <code>port@hostname</code>, or <code>port@ipv4</code>. Port is optional, but must be unprivileged.
{$alert_html}
{$control_panel_html}
<form id='server_list' action='servers_admin.php' method='POST'>
{$table->get_html()}
</form>
HTML;
print_footer();
} // END function main_form()
/** Add/Edit server form. No DB operations. */
function edit_form() {
$id = $_POST['edit_id'];
// Validate adding a new server or editing an existing server.
// Skip back to the main_form() if something is wrong.
$err_msg = array('msg' => "Validation failed when requesting form to edit an existing server.", 'lvl' => "failure");
switch(true) {
case ctype_digit($id):
$server_details = db_server_details_by_getid($id);
$delete_button = "<button type='button' class='btn edit-form' id='delete-button'>Remove</button>";
if ($server_details === false) {
main_form($err_msg);
return null;
}
break;
case $id === "new":
$server_details = array('name'=>"", 'label'=>"", 'is_active'=>"1");
$delete_button = "";
break;
default:
main_form($err_msg);
return null;
}
// get supported license managers
$lmtools = new lmtools();
$lm_supported = $lmtools->list_all_available();
// print view
$is_active_checked = $server_details['is_active'] === "1" ? " CHECKED" : "";
$count_reserved_checked = $server_details['lm_default_usage_reporting'] === "1" ? " CHECKED" : "";
$server_select_box = build_select_box($lm_supported, array('name' => "license_manager", 'id' => "license_manager"),
array_key_exists('license_manager', $server_details) ? $server_details['license_manager'] : "");
print_header();
print <<<HTML
<h1>Server Details</h1>
<form action='servers_admin.php' method='post' class='edit-form'>
<div class='edit-form block'>
<input type='hidden' id='server_id' value='{$id}'>
<input type='hidden' id='server_name' value='{$server_details['name']}'>
<input type='hidden' id='server_label' value='{$server_details['label']}'>
</div><div class='edit-form block'>
<label for='name'>Name (format: <code>port@domain</code>, <code>port@host</code>, <code>port@ipv4</code>, port optional.)</label><br>
<input type='text' name='name' id='name' class='edit-form' value='{$server_details['name']}'>
</div><div class='edit-form block'>
<label for='label'>Label</label><br>
<input type='text' name='label' id='label' class='edit-form' value='{$server_details['label']}'>
</div><div class='edit-form block'>
<label for='license_manager'>Server Type:</label>
{$server_select_box}
</div><div class='edit-form block'>
<input type='checkbox' name='count_reserved' id='count_reserved' class='edit-form'{$count_reserved_checked}>
<label for='count_reserved' id='count_reserved_label'>Default license manager usage reporting (flexlm only)</label>
</div><div class='edit-form inline-block'>
<input type='checkbox' name='is_active' id='is_active' class='edit-form'{$is_active_checked}>
<label for='is_active'>Server is active</label>
</div><div class='edit-form inline-block float-right'>
<input type='hidden' id='delete-server'>
<button type='submit' class='btn btn-cancel edit-form' name='cancel' value='1'>Cancel</button>
<button type='submit' class='btn btn-primary edit-form' name='submit_id' value='{$id}'>Submit</button>
{$delete_button}
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="servers_edit_jquery.js"></script>
</form>
HTML;
print_footer();
} // END function edit_form()
function validate_uploaded_json() {
$tmp_name = $_FILES['server_import']['tmp_name'];
$type = $_FILES['server_import']['type'];
$error = $_FILES['server_import']['error'];
switch(false) {
case isset($tmp_name) && is_uploaded_file($tmp_name):
case isset($type) && $type === "application/json":
case isset($error) && $error === 0:
return false;
}
$file = file_get_contents($tmp_name);
if ($file === false) {
return false;
}
$json = json_decode($file, true);
if (is_null($json)) {
return false;
}
foreach ($json as $row) {
// validate_server_name() is defined in servers_admin_db.php
switch (false) {
case is_array($row):
case array_key_exists('license_manager', $row):
case array_key_exists('name', $row) && validate_server_name($row['name']):
case array_key_exists('label', $row):
case array_key_exists('is_active', $row) && preg_match("/^[01]$/", $row['is_active']) === 1:
return false;
}
}
return $json;
} // END Function validate_uploaded_file()
?>