Subversion Repositories ALCASAR

<?php

// written by Alexandre BOUIJOUX (mainly) & Rexy

/*******************

 * READ CONF FILES *

 ******************/

define('CONF_FILE', '/usr/local/etc/alcasar.conf');

$conf_files = [CONF_FILE];

// Files reading test

foreach ($conf_files as $file) {

	if (!file_exists($file)) {

		exit("Requested file $file isn't present");

	}

	if (!is_readable($file)) {

		exit("Can't read the file $file");

	}

}

// Read ALCASAR CONF_FILE

$file_conf = fopen(CONF_FILE, 'r');

if (!$file_conf) {

	exit('Error opening the file '.CONF_FILE);

}

while (!feof($file_conf)) {

	$buffer = fgets($file_conf, 4096);

	if ((strpos($buffer, '=') !== false) && (substr($buffer, 0, 1) !== '#')) {

		$tmp = explode('=', $buffer, 2);

		$conf[trim($tmp[0])] = trim($tmp[1]);

	}

}

// Handle error messages

// Move errors messages from cookies to array.

$errors_msg = [];

$cookies_keys = [ "add_replica_error", "change_replicas_state_error", "add_ssh_key_error", "delete_ssh_key_error" ];

foreach ($cookies_keys as $key) {

	// Ignore if error didn't happened

	if (!array_key_exists($key, $_COOKIE)) {

		continue;

	}

	// Store message in errors messages array

	$errors_msg[$key] = $_COOKIE[$key];

	// Delete the cookie

	unset($_COOKIE[$key]);

	setcookie($key, false, 1);

}

// Choice of language

$Language = 'en';

if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {

	$Langue	  = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);

	$Language = strtolower(substr(chop($Langue[0]), 0, 2));

}

if ($Language === 'fr') {

	$l_action		= "Action";

	$l_add_to_list		= "Ajouter";

	$l_algorithm		= "Algorithme";

	$l_apply		= "Appliquer les changements";

	$l_bind_port		= "Port de liaison";

	$l_cant_read_pubkey	= "Impossible de lire la clé publique de 'root'.";

	$l_confirm_uninstall	= "Êtes-vous certain de vouloir désinstaller la fédération ?";

	$l_db_pwd		= "Mot de passe d'accès à la base de données";

	$l_db_user		= "Utilisateur de la base de données";

	$l_delete		= "Supprimer";

	$l_error_details	= "Détails des erreurs";

	$l_field		= "Champ";

	$l_go_network_conf_page	= "Allez sur la page de configuration réseau.";

	$l_host_name		= "Nom d'hôte";

	$l_hosts_settings	= "Paramètres de réplication des hôtes distants";

	$l_import_ssh_key	= "Si cet ALCASAR est primaire, importez ici les clés publiques des secondaires";

	$l_install_repl		= "Installer la fédération";

	$l_remote_hosts		= "Hôtes distants";

	$l_ip_address		= "Adresse IP";

	$l_no_host_connected = "Aucun hote connecté";

	$l_no_ssh_key		= "Aucune clé SSH importée.";

	$l_not_connected	= "Non connecté";

	$l_pubkey_to_deploy	= "Si cet ALCASAR est secondaire, copiez la clé publique ci-dessous pour l'importez dans le primaire.";

	$l_remote_access_mgmt	= "Gestion des accès distants";

	$l_remote_role		= "Rôle de l'hôte distant";

	$l_repl_io_running	= "État de la réplication";

	$l_started		= "Démarré";

	$l_stopped		= "Arrêté";

	$l_in_progress		= "En cours ...";

	$l_replication_install	= "Installer la Fédération";

	$l_replication_title	= "Fédération";

	$l_role			= "Rôle";

	$l_role_primary		= "Primaire";

	$l_role_secondary	= "Secondaire";

	$l_ssh_keys_for_primary	= "Liste des secondaires autorisées à se connecter";

	$l_ssh_port		= "Port SSH";

	$l_ssh_user		= "Utilisateur SSH";

	$l_ssh_wan_enabled	= "Le service SSH sur le WAN est activé.";

	$l_ssh_wan_must_be_on	= "Le service SSH sur le WAN doit être activé.";

	$l_start		= "Démarrer";

	$l_stop			= "Arrêter";

	$l_uninstall_repl	= "Désinstaller la fédération";

	$l_value		= "Valeur";

	$l_want_server_as_prim	= "Voulez-vous que le serveur soit primaire ?";

} else if ($Language === 'es') {

	$l_action		= "Acción";

	$l_add_to_list		= "Añadir";

	$l_algorithm		= "Algoritmo";

	$l_apply		= "Aplicar los cambios";

	$l_bind_port		= "Puerto de conexión";

	$l_cant_read_pubkey	= "No se puede leer la clave pública de «root».";

	$l_confirm_uninstall	= "¿Estás seguro de que quieres desinstalar la federación?";

	$l_db_pwd		= "Contraseña de acceso a la base de datos";

	$l_db_user		= "Usuario de la base de datos";

	$l_delete		= "Eliminar";

	$l_error_details	= "Detalles de los errores";

	$l_field		= "campo";

	$l_go_network_conf_page	= "Vaya a la página de configuración de red";

	$l_host_name		= "Nombre de host";

	$l_hosts_settings	= "Configuración de replicación de hosts remotos";

	$l_import_ssh_key	= "Importar una clave SSH";

	$l_install_repl		= "Creación de la federación";

	$l_remote_hosts		= "Hosts remotos";

	$l_ip_address		= "dirección IP";

	$l_no_host_connected = "No hay ningún host conectado.";

	$l_no_ssh_key		= "No se ha importado ninguna clave SSH.";

	$l_not_connected	= "No conectado";

	$l_pubkey_to_deploy	= "La clave debe implementarse en los servidores primarios.";

	$l_remote_access_mgmt	= "Gestión de accesos remotos";

	$l_remote_role		= "Función del host remoto";

	$l_repl_io_running	= "estado de replicación";

	$l_started		= "Iniciado";

	$l_stopped		= "Decreto";

	$l_in_progress		= "En curso ...";

	$l_replication_install	= "Creación de la federación";

	$l_replication_title	= "Federación";

	$l_role			= "Papel";

	$l_role_primary		= "Primaria";

	$l_role_secondary	= "Secundaria";

	$l_ssh_keys_for_primary	= "Lista de claves autorizadas para conectarse al usuario local «replication».";

	$l_ssh_port		= "Puerto SSH";

	$l_ssh_user		= "Usuario SSH";

	$l_ssh_wan_enabled	= "El servicio SSH en la WAN está activado.";

	$l_ssh_wan_must_be_on	= "El servicio SSH en la WAN debe estar activado.";

	$l_start		= "Iniciar";

	$l_stop			= "Detener";

	$l_uninstall_repl	= "Desinstalar la federación";

	$l_value		= "Valor";

	$l_want_server_as_prim	= "¿Quiere que el servidor sea primario?";

} else {

	$l_action		= "Action";

	$l_add_to_list		= "Add";

	$l_algorithm		= "Algorithm";

	$l_apply		= "Apply changes";

	$l_bind_port		= "Bind port";

	$l_cant_read_pubkey	= "Can't read root's public key.";

	$l_confirm_uninstall	= "Are you sure you want to uninstall the federation?";

	$l_db_pwd		= "Database access password";

	$l_db_user		= "Database user";

	$l_delete		= "Delete";

	$l_error_details	= "Error details";

	$l_field		= "Field";

	$l_go_network_conf_page	= "Go to network config page.";

	$l_host_name		= "Host name";

	$l_hosts_settings	= "Remote replicated hosts settings";

	$l_import_ssh_key	= "Import a SSH key";

	$l_install_repl		= "Setting up the federation";

	$l_remote_hosts		= "Remote hosts";

	$l_ip_address		= "IP address";

	$l_no_host_connected = "No host connected";

	$l_no_ssh_key		= "No SSH key imported.";

	$l_not_connected	= "Not connected";

	$l_pubkey_to_deploy	= "The following public key has to be deployed on remote primary servers.";

	$l_remote_access_mgmt	= "Remote access management";

	$l_remote_role		= "Remote role";

	$l_repl_io_running	= "Replication state";

	$l_started		= "Started";

	$l_stopped		= "Stopped";

	$l_in_progress		= "In progress...";

	$l_replication_install	= "Setting up the federation";

	$l_replication_title	= "Federation";

	$l_role			= "Role";

	$l_role_primary		= "Primary";

	$l_role_secondary	= "Secondary";

	$l_ssh_keys_for_primary	= "List of keys allowed to connect to local 'replication' user.";

	$l_ssh_port		= "SSH port";

	$l_ssh_user		= "SSH user";

	$l_ssh_wan_enabled	= "SSH service on WAN is enabled.";

	$l_ssh_wan_must_be_on	= "SSH service on WAN must be enabled.";

	$l_start		= "Start";

	$l_stop			= "Stop";

	$l_uninstall_repl	= "Uninstall the federation";

	$l_value		= "Value";

	$l_want_server_as_prim	= "Want server to be a primary?";

}

$reg_ip      = '^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$';

$reg_ip_port = '^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\:([1-9]|[1-9][0-9]|[1-9][0-9]{2}|[1-9][0-9]{3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5]))$';

$reg_host    = '^[a-zA-Z0-9-_]+$';

$reg_ssh_key = "^(ssh-dss AAAAB3NzaC1kc3|ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNT|sk-ecdsa-sha2-nistp256@openssh.com AAAAInNrLWVjZHNhLXNoYTItbmlzdHAyNTZAb3BlbnNzaC5jb2|ssh-ed25519 AAAAC3NzaC1lZDI1NTE5|sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29t|ssh-rsa AAAAB3NzaC1yc2)[0-9A-Za-z+/]+[=]{0,3}(\s.*)?$";

$reg_linux_user = "[a-z_][a-z0-9_-]*[$]?";

$reg_mariadb_user = "^[a-z]{1,32}$";

// Allow new SSH file size of 128kB;

$max_ssh_file_size = 131072;

$choice = $_POST['choice'] ?? "";

switch ($choice) {

	case 'install_replication':

		if (isset($conf['REPLICATION']) && $conf['REPLICATION'] == "on") {

			exit("Replication already installed.");}

		$stdout = [];

		exec('sudo /usr/local/bin/alcasar-replication-install.sh 2>&1', $stdout);

		header('Location: '.$_SERVER['PHP_SELF']);

		break;

	case 'uninstall_replication':

		if (!isset($conf['REPLICATION']) || $conf['REPLICATION'] == "off") {

			exit("Replication not installed.");}

		$stdout = [];

		exec('sudo /usr/local/bin/alcasar-replication-uninstall.sh 2>&1', $stdout);

		header('Location: '.$_SERVER['PHP_SELF']);

		break;

	case 'add_replica':

		$role = trim($_POST['role'] ?? "");

		$name = trim($_POST['name'] ?? "");

		$ip = trim($_POST['ip'] ?? "");

		$port = trim($_POST['port'] ?? "");

		// we fix ssh_user, db_user to simplify ACC

		// $user = trim($_POST['user'] ?? "");

		// $db_user = trim($_POST['db_user'] ?? "");

		$user = "replication" ;

		$db_user = "db_replication";

		// we retrieve db_pwd via SSH to simplify ACC

		//$db_pwd = trim($_POST['db_pwd'] ?? "");

		$db_pwd = "no more used : set via ssh";

		$bind_port = trim($_POST['bind_port'] ?? "");

		$stdout = [];

		$return = 0;

		switch ($role) {

			case 'primary':

				exec("sudo /usr/local/bin/alcasar-replication-add.sh --to-primary"." --name=".escapeshellarg($name)." --address=".escapeshellarg($ip)." --port=".escapeshellarg($port)." --user=". escapeshellarg($user)." --db-user=".escapeshellarg($db_user)." --db-password=".escapeshellarg($db_pwd)." 2>&1", $stdout, $return);

				break;

			case 'secondary':

				exec("sudo /usr/local/bin/alcasar-replication-add.sh --to-secondary"." --name=".escapeshellarg($name)." --bind-port=".escapeshellarg($bind_port)." --db-user=".escapeshellarg($db_user)." --db-password=".escapeshellarg($db_pwd)." 2>&1", $stdout, $return);

				break;

			default:

				// Error

				exit();}

		// If script went wrong

		if ($return) {

			$key = $choice . "_error";

			// Concatenate stdout lines

			$value = implode(PHP_EOL, $stdout);

			// Save error message in cookies

			setcookie($key, $value);

		}

		header('Location: '.$_SERVER['PHP_SELF']);

		break;

	case 'change_replicas_state':

		$stdout = [];

		$return = 0;

		$key_prefix = "action_primary_";

		// Search for action_primary_<hostname> key

		foreach ($_POST as $key => $value) {

			if (!str_starts_with($key, $key_prefix)) {

				continue;}

			// Get the remote name

			$name = explode($key_prefix, $key)[1];

			switch ($value) {

				case 'start':

					exec("sudo /usr/local/bin/alcasar-replication-start.sh --name=".escapeshellarg($name)." 2>&1", $stdout, $return);

					break;

				case 'stop':

					exec("sudo /usr/local/bin/alcasar-replication-stop.sh --name=".escapeshellarg($name)." 2>&1", $stdout, $return);

					break;

				case 'delete':

					exec("sudo /usr/local/bin/alcasar-replication-delete.sh --name=".escapeshellarg($name)." 2>&1", $stdout, $return);

					break;

				default:

					break;

			}

		}

		// If script went wrong

		if ($return) {

			$key = $choice . "_error";

			// Concatenate stdout lines

			$value = implode(PHP_EOL, $stdout);

			// Save error message in cookies

			setcookie($key, $value);

		}

		header('Location: '.$_SERVER['PHP_SELF']);

		break;

	case 'add_ssh_key':

		$file = $_FILES['new_ssh_key_input'] ?? "";

		$stdout = [];

		$return = 0;

		// Stop if file doesn't exist

		if (empty($file)) {

			break;}

		// Check file size

		if ($file['size'] > $max_ssh_file_size) {

			break;}

		// Add new key(s) to authorized keys list

		$tmp_file = $file['tmp_name'];

		exec("sudo /usr/local/bin/alcasar-replication-ssh-keys-management.sh --add --file=$tmp_file 2>&1", $stdout, $return);

		// If script went wrong

		if ($return) {

			$key = $choice . "_error";

			// Concatenate stdout lines

			$value = implode(PHP_EOL, $stdout);

			// Save error message in cookies

			setcookie($key, $value);

		}

		header('Location: '.$_SERVER['PHP_SELF']);

		break;

	case 'delete_ssh_key':

		$stdout = [];

		$return = 0;

		$key_prefix = "action_ssh_key_";

		foreach ($_POST as $key => $value) {

			if (!str_starts_with($key, $key_prefix)) {

				continue;}

			$decoded_value = htmlspecialchars_decode($value);

			// Delete key

			exec("sudo /usr/local/bin/alcasar-replication-ssh-keys-management.sh --delete --regex=$decoded_value 2>&1", $stdout, $return);

			// If script went wrong

			if ($return) {

				$key = $choice . "_error";

				// Concatenate stdout lines

				$value = implode(PHP_EOL, $stdout);

				// Save error message in cookies

				setcookie($key, $value);

			}

		}

		header('Location: '.$_SERVER['PHP_SELF']);

		break;

	default:

		break;

}

?>

<!DOCTYPE HTML>

<html>

<head>

	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

	<title><?= $l_replication_title ?></title>

	<link rel="stylesheet" href="/css/acc.css" type="text/css">

	<script src="/js/jquery.min.js"></script>

	<script src="/js/jquery.connections.js"></script>

	<script type="text/javascript">

		// listener to enable submitbutton only when forms are completed

		document.addEventListener('DOMContentLoaded', function() {

			const rolePrimaryRadio = document.getElementById('role_primary');

			const roleSecondaryRadio = document.getElementById('role_secondary');

			const nameInput = document.getElementById('input_name');

			const ipInput = document.getElementById('input_ip');

			const bindPortInput = document.getElementById('input_bind_port');

			const portInput = document.getElementById('input_port');

			const submitButton = document.getElementById('apply_add_remote');

			// madatory fields in relation to role

			function checkRequiredFields() {

				let allFilled = false;

				if (rolePrimaryRadio.checked) {

			// primary : name, ip, port

				allFilled = nameInput.value.trim() !== '' &&

					ipInput.value.trim() !== '' &&

					portInput.value.trim() !== '';

				} else if (roleSecondaryRadio.checked) {

			// secondary : name, bind_port

				allFilled = nameInput.value.trim() !== '' &&

				bindPortInput.value.trim() !== '';

				}

			submitButton.disabled = !allFilled;

			}

			// Events listening

			nameInput.addEventListener('input', checkRequiredFields);

			ipInput.addEventListener('input', checkRequiredFields);

			bindPortInput.addEventListener('input', checkRequiredFields);

			portInput.addEventListener('input', checkRequiredFields);

			// disable on load

			submitButton.disabled = true;

		});

		window.onload = main;

		function main() {

			show_fields_for_new_primary();

			set_required_on_common_fields();

			enable_apply_btn_if_selected_remote_action();

			enable_apply_btn_if_selected_ssh_key_action();

		}

		// Set 'required' attribute on fields needed by both primary and secondary

		function set_required_on_common_fields() {

			document.querySelectorAll(".role_primary.role_secondary").forEach((input) => {

				input.setAttribute("required", "");

			});

		}

		// Only enable fields needed for new primary remote

		function show_fields_for_new_primary() {

			// Toggle 'disabled' and 'required' attributes

			document.querySelectorAll("input[class='role_primary']").forEach((input) => {

				input.removeAttribute("disabled");

				input.setAttribute("required", "");

			});

			document.querySelectorAll("input[class='role_secondary']").forEach((input) => {

				input.setAttribute("disabled", "");

				input.removeAttribute("required");

			});

		}

		function show_fields_for_new_secondary() {

			// Toggle 'disabled' and 'required' attributes

			document.querySelectorAll("input[class='role_primary']").forEach((input) => {

				input.removeAttribute("required");

				input.setAttribute("disabled", "");

			});

			document.querySelectorAll("input[class='role_secondary']").forEach((input) => {

				input.setAttribute("required", "");

				input.removeAttribute("disabled");

			});

		}

		// Enable the remote's list Apply button if there are any pending actions

		function enable_apply_btn_if_selected_remote_action() {

			let btn = document.querySelector("#apply_changes_remote_btn");

			if (!btn) {

				return;}

			let change_to_apply = false;

			// Check for any pending change

			document.querySelectorAll(".primary_action_select").forEach((element) => {

				if (element.value != "") {

					btn.removeAttribute("disabled");

					change_to_apply = true;

				}

			});

			// Disable button if there are no pending changes

			if (!change_to_apply) {

				btn.setAttribute("disabled", "");

			}

		}

		// Enable the SSH keys's list Apply button if there are any pending actions

		function enable_apply_btn_if_selected_ssh_key_action() {

			let btn = document.querySelector("#apply_changes_ssh_key_btn");

			if (!btn) {

				return;

			}

			let change_to_apply = false;

			// Check for any pending change

			document.querySelectorAll(".ssh_key_action_input").forEach((element) => {

				if (element.checked) {

					btn.removeAttribute("disabled");

					change_to_apply = true;

				}

			});

			// Disable button if there are no pending changes

			if (!change_to_apply) {

				btn.setAttribute("disabled", "");

			}

		}

	</script>

</head>

<body>

<div id="ldoverlay" class="overlay">

	<div class="lds-spinner" id="spinner"><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div>

</div>

<?php if ($conf['REPLICATION'] == "on") { ?>

<div class="panel">

	<div class="panel-header"><?= $l_hosts_settings ?></div>

</div>

<div>

<table width="100%" cellspacing="0" cellpadding="5" border="1">

	<tr>

		<td width="50%" align="center">

			<?php $section = "change_replicas_state" ?>

			<form action="<?= htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="POST">

			<input type="hidden" name="choice" value="<?= $section ?>">

			<center><?= $l_remote_hosts ?></center>

			<table cellspacing="2" cellpadding="3" border="1" style="table-layout: auto; min-width: 10em;">

				<tr>

					<th><?= $l_ip_address ?></th>

					<th><?= $l_host_name ?></th>

					<th><?= $l_role ?></th>

					<th><?= $l_repl_io_running ?></th>

					<th><?= $l_bind_port ?></th>

					<th><?= $l_action ?></th>

				</tr>

				<?php

				$stdout = [];

				$return = 0;

				exec("sudo /usr/local/bin/alcasar-replication-list.sh --all 2>&1", $stdout, $return);

				// If script went wrong

				if ($return) {

					// Print error message

					$errors_msg[$section."_error"] = implode(PHP_EOL, $stdout);

				// Successfully fetched remotes stats

				} else {

					$connected_prims = [];

					$current_prim = "";

					// Parse stdout in keys-array

					foreach ($stdout as $row) {

						// Skip useless delimiter

						if (str_starts_with($row, '*')) {

							continue;

						}

						// Split key: value

						$exploded = explode(": ", $row);

						$key = $exploded[0];

						$value = $exploded[1] ?? "";

						// Create subarray when starting to display a new remote

						if (!strcmp($key, "Connection_name")) {

							$current_prim = $value;

							$connected_prims[$current_prim] = [];

						}

						// Put value in prim's subarray

						($connected_prims[$current_prim])[$key] = $value;

					}

					// Skip resetted replicas,

					// they will stay displayed still the next database restart.

					foreach ($connected_prims as $prim) {

						if (empty($prim["Relay_Log_File"])) {

							unset($connected_prims[$prim["Connection_name"]]);

						}

					}

					// List each connection

					foreach ($connected_prims as $prim) {

						?>

						<tr>

							<td><?php

								$master_host = $prim["Master_Host"];

								if ($master_host != "127.0.0.1") {

									echo "$master_host";

								} else {

									echo "$l_not_connected";

								}

							?></td>

							<td><?= $prim["Connection_name"] ?></td>

							<td><?php

								if ($conf['REPLICATION_TO'] == "") { echo "$l_role_secondary"; }

									else { echo "$l_role_primary"; }

								?></td>

							<td>

							<? if ($prim["Slave_IO_Running"] == "Yes") { echo "$l_started"; }

							   if ($prim["Slave_IO_Running"] == "No") { echo "$l_stopped"; }

							   if ($prim["Slave_IO_Running"] == "Connecting") { echo "$l_in_progress"; }

							?>

							</td>

							<td><?= $prim["Master_Port"] ?></td>

							<td>

								<select name="action_primary_<?= $prim["Connection_name"] ?>" class="primary_action_select" onchange="enable_apply_btn_if_selected_remote_action()">

									<option value=""></option>

									<?php

										// Actions available on all remotes

										$options = array(

											"start" => "$l_start",

											"stop" => "$l_stop",

											"delete" => "$l_delete"

										);

										// Remove some options depending on the current remote state

										switch ($prim["Slave_IO_Running"]) {

										case 'Yes':

										case 'Connecting':

											unset($options["start"]);

											unset($options["delete"]);

											break;

										case 'No':

											unset($options["stop"]);

											break;

										default:

											break;

										}

										// Print options

										foreach ($options as $key => $value) { ?>

											<option value="<?= $key ?>"><?= $value ?></option>

										<?php }

									 ?>

								</select>

							</td>

						</tr>

					<?php }

					// Show submit button if there are primary servers connected

					echo "<tr><td colspan=6 valign='middle' align='center'>";

					if (sizeof($connected_prims)) { ?>

						<input type="submit" id="apply_changes_remote_btn" value="<?= $l_apply ?>" onClick="document.getElementById('ldoverlay').style.display='block';">

					<?php } else { ?>

						<p><?= $l_no_host_connected ?></p>

					<?php }

					echo "</td></tr>";

				} ?>

			</table>

			</form>

			<?php if (isset($errors_msg[$section."_error"])) { ?>

				<details open>

					<summary><?= $l_error_details ?></summary>

					<textarea readonly cols=50 rows=10><?= $errors_msg[$section."_error"] ?></textarea>

				</details>

			<?php } ?>

		</td>

		<td width="50%" valign="middle" align="center">

			<?php $section = "add_replica" ?>

			<form id="form_add_remote" action="<?= htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="POST">

			<input type="hidden" name="choice" value="<?= $section ?>">

				<table cellspacing="2" cellpadding="3" border="1">

					<tr>

						<th><?= $l_field ?></th>

						<th><?= $l_value ?></th>

					</tr>

					<tr>

						<td><?= $l_remote_role ?></td>

						<td>

							<fieldset>

								<div>

									<input type="radio" id="role_primary" name="role" value="primary" checked onClick="show_fields_for_new_primary()"/>

									<label for="role_primary"><?= $l_role_primary ?></label>

									<input type="radio" id="role_secondary" name="role" value="secondary" onClick="show_fields_for_new_secondary()"/>

									<label for="role_secondary"><?= $l_role_secondary ?></label>

								</div>

							</fieldset>

						</td>

					</tr>

					<tr>

						<td><label for="input_name"><?= $l_host_name ?></label></td>

						<td><input type="text" id="input_name" name="name" class="role_primary role_secondary" pattern="<?= $reg_host ?>"></td>

					</tr>

					<tr>

						<td><label for="input_ip"><?= $l_ip_address ?></label></td>

						<td><input type="text" id="input_ip" name="ip" class="role_primary" pattern="<?= $reg_ip ?>"></td>

					</tr>

					<tr>

						<td><label for="input_bind_port"><?= $l_bind_port ?></label></td>

						<td><input type="number" id="input_bind_port" name="bind_port" min="0" max="65535" class="role_secondary" pattern="<?= $reg_ip_port ?>"></td>

					</tr>

					<tr>

						<td><label for="input_port"><?= $l_ssh_port ?></label></td>

						<td><input type="number" id="input_port" name="port" min="0" max="65535" class="role_primary" pattern="<?= $reg_ip_port ?>"></td>

					</tr>

<!--					<tr>

						<td><label for="input_db_user"><?= $l_db_user ?></label></td>

						<td><input type="text" id="input_db_user" name="db_user" class="role_primary role_secondary" pattern="<?= $reg_mariadb_user ?>"></td>

					</tr>

					<tr>

					<td><label for="input_db_pwd"><?= $l_db_pwd ?></label></td>

						<td><input type="password" id="input_db_pwd" name="db_pwd" class="role_primary role_secondary"></td>

					</tr> -->

					<tr>

						<td colspan=2 valign="middle" align="center">

							<input type="submit" id="apply_add_remote" class="button" value="<?= $l_add_to_list ?>" onClick="document.getElementById('ldoverlay').style.display='block';">

						</td>

					</tr>

				</table>

			</form>

			<?php if (isset($errors_msg[$section."_error"])) { ?>

				<details open>

					<summary><?= $l_error_details ?></summary>

					<textarea readonly cols=50 rows=10><?= htmlspecialchars($errors_msg[$section."_error"]) ?></textarea>

				</details>

			<?php } ?>

		</td>

	</tr>

</table>

</div>

<br>

<div class="panel">

	<div class="panel-header"><?= $l_remote_access_mgmt ?></div>

</div>

<div>

<table width="100%" cellspacing="0" cellpadding="5" border="1">

	<tr>

		<td width="50%" align="center">

			<p><?= $l_ssh_keys_for_primary ?></p>

			<?php $section = "delete_ssh_key" ?>

			<form action="<?= htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="POST">

			<input type="hidden" name="choice" value="<?= $section ?>">

			<table cellspacing="2" cellpadding="3" border="1" style="table-layout: auto; min-width: 10em;">

				<tr>

					<th><?= $l_host_name ?></th>

					<th><?= $l_algorithm ?></th>

					<th><?= $l_delete ?></th>

				</tr>

				<?php

				$stdout = [];

				$return = 0;

				exec("sudo /usr/local/bin/alcasar-replication-ssh-keys-management.sh --list 2>&1", $stdout, $return);

				// If script went wrong

				if ($return) {

					// Print error message

					$errors_msg[$section."_error"] = implode(PHP_EOL, $stdout);

				// Successfully fetched remotes stats

				} else {

					// List each key

					foreach ($stdout as $line) {

						// Skip empty lines

						if (str_starts_with($line, ' ')) {

							continue;

						}

						// Split args

						$exploded = explode(' ', $line);

						$algo = $exploded[0] ?? "";

						$full_hostname = explode('@', $exploded[2] ?? "");

						$hostname = $full_hostname[1];

						?>

						<tr>

							<td><?= $hostname ?></td>

							<td><?= $algo ?></td>

							<td>

								<input type="checkbox" name="action_ssh_key_<?= htmlspecialchars($hostname) ?>" value="<?= htmlspecialchars($hostname) ?>" class="ssh_key_action_input" onchange="enable_apply_btn_if_selected_ssh_key_action()">

							</td>

						</tr>

					<?php }

					// Show submit button if there are primary servers connected

					echo "<tr><td colspan=3 valign='middle' align='center'>";

					if (sizeof($stdout)) { ?>

						<input type="submit" id="apply_changes_ssh_key_btn" value="<?= $l_apply ?>" onClick="document.getElementById('ldoverlay').style.display='block';">

					<?php } else { ?>

						<p><?= $l_no_ssh_key ?></p>

					<?php }

					echo "</td></tr>";

				} ?>

			</table>

			</form>

			<?php if (isset($errors_msg[$section."_error"])) { ?>

				<details open>

					<summary><?= $l_error_details ?></summary>

					<textarea readonly cols=50 rows=10><?= $errors_msg[$section."_error"] ?></textarea>

				</details>

			<?php } ?>

		</td>

		<td width="25%" valign="middle" align="center">

			<?php $section = "add_ssh_key" ?>

			<form action="<?= htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="POST" enctype="multipart/form-data">

			<input type="hidden" name="choice" value="<?= $section ?>">

				<input type="hidden" name="MAX_FILE_SIZE" value="<?= $max_ssh_file_size ?>" />

				<label for="new_ssh_key_input"><?= $l_import_ssh_key ?><br></label>

				<br>

				<input type="file" name="new_ssh_key_input" id="new_ssh_key_input" accept=".pub">

				<br>

				<input type="submit" class="button" value="<?= $l_add_to_list ?>" onClick="document.getElementById('ldoverlay').style.display='block';">

			</form>

			<?php if (isset($errors_msg[$section."_error"])) { ?>

				<details open>

					<summary><?= $l_error_details ?></summary>

					<textarea readonly cols=50 rows=10><?= $errors_msg[$section."_error"] ?></textarea>

				</details>

			<?php } ?>

		</td>

		<td width="25%" valign="middle" align="center">

				<label for="pubkey_stdout"><?= $l_pubkey_to_deploy ?><br></label>

				<br>

				<?php

				$stdout = [];

				$return = 0;

				exec("sudo /usr/local/bin/alcasar-replication-ssh-keys-management.sh --show-pubkey 2>&1", $stdout, $return);

				// If script went wrong

				if ($return != 0) {

					echo "<p>$l_cant_read_pubkey</p>";

				} else { ?>

					<input type="text" id="pubkey_stdout" readonly value="<?= implode(PHP_EOL, $stdout) ?>">

				<?php } ?>

		</td>

	</tr>

</table>

</div>

<br>

<?php } ?>

<div class="panel">

	<div class="panel-header"><?= $l_replication_title ?></div>

</div>

<table width="100%" cellspacing="0" cellpadding="5" border="1">

	<tr>

		<td width="50%" valign="middle" align="center">

			<?php if ($conf['REPLICATION'] == "on") { ?>

				<form action="<?= htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="POST" onsubmit="return confirm('<?= $l_confirm_uninstall ?>');">

					<input type="hidden" name="choice" value="uninstall_replication">

					<input type="submit" value="<?= $l_uninstall_repl ?>" onClick="document.getElementById('ldoverlay').style.display='block';">

				</form>

			<?php } else { ?>

				<form action="<?= htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="POST">

					<input type="hidden" name="choice" value="install_replication">

					<input type="submit" value="<?= $l_install_repl ?>" onClick="document.getElementById('ldoverlay').style.display='block';">

				</form>

			<?php } ?>

		</td>

		<?php if ($conf['REPLICATION'] == "on") { ?>

			<td width="50%" valign="middle" align="center">

				<?php if ($conf['SSH_WAN'] !== '0') { ?>

					<input type="checkbox" id="togglessh" checked disabled>

					<label for="togglessh"><?= $l_ssh_wan_enabled ?></label>

				<?php } else { ?>

				<p><?= $l_want_server_as_prim ?></p>

					<input type="checkbox" id="togglessh" disabled>

					<label for="togglessh"><b><?= $l_ssh_wan_must_be_on ?></b> <a href="/acc/admin/network.php"><?= $l_go_network_conf_page ?></a></label>

				<?php } ?>

			</td>

		<?php } ?>

	</tr>

</table>

</body>

</html>