<?php
/**
 * Stash Live Page
 *
 * @package BackupBuddy
 */

is_admin() || die( 'Access denied' );

// Check if running PHP 5.3+.
$php_minimum = '5.3';
if ( version_compare( PHP_VERSION, $php_minimum, '<' ) ) { // Server's PHP is insufficient.
	echo '<br>';
	pb_backupbuddy::alert( '<h3>' . __( 'We have a problem...', 'it-l10n-backupbuddy' ) . '</h3><br>' . __( '<span style="font-size:1.5em;font-weight:bold;">Uh oh!</span><br />BackupBuddy Stash Live requires PHP version 5.3 or newer to run. Please upgrade your PHP version or contact your host for details on upgrading.', 'it-l10n-backupbuddy' ) . ' ' . __( 'Current PHP version', 'it-l10n-backupbuddy' ) . ': ' . PHP_VERSION );
	return;
}

// Check for curl.
if ( ! function_exists( 'curl_version' ) ) {
	echo '<br>';
	pb_backupbuddy::alert( '<h3>' . __( 'We have a problem...', 'it-l10n-backupbuddy' ) . '</h3><br>' . __( 'BackupBuddy Stash Live requires the PHP "curl" extension to run. Please install or contact your host to install curl. This is a standard extension and should be available on all hosts.', 'it-l10n-backupbuddy' ) );
	return;
}

// Check if Godaddy Managed WordPress hosting.
if ( defined( 'GD_SYSTEM_PLUGIN_DIR' ) || class_exists( '\\WPaaS\\Plugin' ) ) {
	echo '<br>';
	pb_backupbuddy::disalert( 'godaddy_managed_wp_detected', __( '<span style="font-size:1.5em;font-weight:bold;">GoDaddy Managed WordPress Hosting Detected</span><br><br>GoDaddy\'s Managed WordPress Hosting recently experienced problems resulting in the WordPress cron not working properly resulting in WordPress\' built-in scheduling and automation functionality malfunctioning. <b>GoDaddy has addressed this issue for US-based customers and we believe it to be resolved for those hosted in the USA. Non-US customers should contact GoDaddy support.</b><br><br>However, if you still experience issues and require a partial workaround go to BackupBuddy -> "Settings" page -> "Advanced Settings / Troubleshooting" tab -> Check the box "Force internal cron" -> Scroll down and "Save" the settings.  This may help you be able to make a manual traditional backup though it may be slow and is not guaranteed.', 'it-l10n-backupbuddy' ) );
}

$admin_url = is_network_admin() ? network_admin_url( 'admin.php' ) : admin_url( 'admin.php' );

// No PHP runtime calculated yet. Try to see if test is finished.
if ( 0 == pb_backupbuddy::$options['tested_php_runtime'] ) {
	backupbuddy_core::php_runtime_test_results();
}

$live_destination_id = false;
foreach ( pb_backupbuddy::$options['remote_destinations'] as $destination_id => $destination ) {
	if ( 'live' == $destination['type'] ) {
		$live_destination_id = $destination_id;
		break;
	}
}

// Handle disconnect.
if ( 'disconnect' == pb_backupbuddy::_GET( 'live_action' ) && false !== $live_destination_id ) { // If disconnecting and not already disconnected.
	$disconnected = false;
	require_once pb_backupbuddy::plugin_path() . '/destinations/live/live_periodic.php';
	require_once pb_backupbuddy::plugin_path() . '/destinations/stash2/class.itx_helper2.php';
	$destination_settings = backupbuddy_live_periodic::get_destination_settings();

	if ( 'yes' == pb_backupbuddy::_POST( 'disconnect' ) ) {
		pb_backupbuddy::verify_nonce();

		// Check for active Stash Destinations so that we don't break them disconnecting from Live.
		$stash_active = false;
		foreach ( pb_backupbuddy::$options['remote_destinations'] as $active_destination ) {
			if ( ! empty( $active_destination['type'] ) && 'stash' == substr( $active_destination['type'], 0, 5 ) ) {
				$stash_active = true;
				continue;
			}
		}

		// Only check username/password if we're gonna kill the itxapi token (no stash destinations).
		if ( empty( $stash_active ) ) {
			// Pass itxapi_password to disconnect.
			global $wp_version;

			require_once pb_backupbuddy::plugin_path() . '/lib/stash/stash-api.php';

			$password_hash = iThemes_Credentials::get_password_hash( $destination_settings['itxapi_username'], pb_backupbuddy::_POST( 'password' ) );
			$access_token  = ITXAPI_Helper2::get_access_token( $destination_settings['itxapi_username'], $password_hash, site_url(), $wp_version );

			$response = BackupBuddy_Stash_API::disconnect( $destination_settings['itxapi_username'], $destination_settings['itxapi_token'], $access_token );

			if ( ! is_array( $response ) ) {
				pb_backupbuddy::alert( 'Error Disconnecting: ' . $response );
			} elseif ( ! isset( $response['success'] ) || '1' != $response['success'] ) {
				pb_backupbuddy::alert( 'Error #483948944. Unexpected response disconnecting: `' . print_r( $response, true ) . '`.' );
			} else {
				$disconnected = true;
			}
		} else {
			// We have other Stash destinations so disable live w/o actually disconnecting.
			$disconnected = true;
		}

		// If we've determined it's okay to disconnect, continue Stash Live file purge and remove destination.
		if ( ! empty( $disconnected ) ) {
			// Clear destination settings.
			unset( pb_backupbuddy::$options['remote_destinations'][ $live_destination_id ] );
			pb_backupbuddy::save();

			// Clear cached Live credentials.
			require_once pb_backupbuddy::plugin_path() . '/destinations/live/init.php';
			delete_transient( pb_backupbuddy_destination_live::LIVE_ACTION_TRANSIENT_NAME );

			// Delete everything related to current Live backup process.
			$live_serial = pb_backupbuddy::$options['log_serial'];
			if ( ! empty( $live_serial ) ) {
				backupbuddy_core::clearLiveLogs( $live_serial );
			}

			pb_backupbuddy::disalert( '', 'You have disconnected from Stash Live.' );
			$live_destination_id = false;
		}
	}

	// Show authentication form.
	if ( false === $disconnected ) {
		$admin_url = is_multisite() ? network_admin_url( 'admin.php' ) : admin_url( 'admin.php' );
		?>
		<h1 style="zoom: 1.05;">
			<span class="backupbuddy-stash-live-icon"></span>
			<?php esc_html_e( 'Disconnect from Stash Live', 'it-l10n-backupbuddy' ); ?>
		</h1>
		<?php esc_html_e( 'To disconnect you must verify you have access to this account. Please authenticate with your iThemes Member Login to validate your access and disconnect this site from Stash Live.', 'it-l10n-backupbuddy' ); ?><br><br>
		<form method="post" action="<?php echo pb_backupbuddy::nonce_url( $admin_url . '?page=pb_backupbuddy_live&live_action=disconnect' ); ?>">
			<input type="hidden" name="disconnect" value="yes">
			<table>
				<tr>
					<td>iThemes Username:</td>
					<td><input type="text" name="username" value="<?php echo esc_attr( $destination_settings['itxapi_username'] ); ?>" readonly="true" style="width: 100%;"></td>
				</tr>
				<tr>
					<td>iThemes Password:</td>
					<td><input type="password" name="password" style="width: 100%;"></td>
				</tr>
				<tr><td colspan="2">&nbsp;</td></tr>
				<tr>
					<td>&nbsp;</td>
					<td>
						<input type="submit" name="submit" value="Disconnect Stash Live" class="button-primary">
						<a href="<?php echo esc_attr( $admin_url . '?page=pb_backupbuddy_live' ); ?>" class="button button-secondary"><?php esc_html_e( 'Cancel', 'it-l10n-backupbuddy' ); ?></a>
					</td>
				</tr>
			</table>
		</form>
		<?php
		return;
	}
}

// Show setup screen if not yet set up.
if ( false === $live_destination_id ) {
	require_once pb_backupbuddy::plugin_path() . '/destinations/live/_live_setup.php';
	return;
}

// Load normal manage page.
pb_backupbuddy::$ui->title( esc_html__( 'Stash Live', 'it-l10n-backupbuddy' ), true, false, 'backupbuddy-stash-live-icon' );
?>
<br>

<script>
	jQuery(function() {

		jQuery('#screen-meta-links').append(
			'<div class="backupbuddy-meta-link-wrap hide-if-no-js screen-meta-toggle">' +
				'<a href="<?php echo pb_backupbuddy::nonce_url( $admin_url . '?page=pb_backupbuddy_live&live_action=troubleshooting' ); ?>" class="add-new-h2 show-settings no-dropdown"><?php esc_html_e( 'Troubleshooting Scan', 'it-l10n-backupbuddy' ); ?></a>' +
			'</div>'
		);

		jQuery('#screen-meta-links').append(
			'<div class="backupbuddy-meta-link-wrap hide-if-no-js screen-meta-toggle">' +
				'<a href="<?php echo pb_backupbuddy::ajax_url( 'live_settings' ); ?>&#038;TB_iframe=1&#038;width=640&#038;height=600" class="add-new-h2 thickbox show-settings no-dropdown"><?php esc_html_e( 'Live Settings', 'it-l10n-backupbuddy' ); ?></a>' +
			'</div>'
		);

	});
	</script>

<?php
$destination    = pb_backupbuddy::$options['remote_destinations'][ $live_destination_id ];
$destination_id = $live_destination_id;
require_once pb_backupbuddy::plugin_path() . '/destinations/live/_manage.php'; // Expects incoming vars: $destination, $destination_id.
