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backup.php
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backup.php
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<?php
/*
Plugin Name: Backup
Version: 2.2
Plugin URI: http://hel.io/wordpress/backup/
Description: Back up your WordPress website to Google Drive.
Author: Sorin Iclanzan
Author URI: http://hel.io/
License: GPL3
Text Domain: backup
Domain Path: /languages
*/
/*
Copyright 2012 Sorin Iclanzan (email : [email protected])
This file is part of Backup.
Backup 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.
Backup 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 Backup. If not, see http://www.gnu.org/licenses/gpl.html.
*/
// Only load the plugin if needed.
if ( is_admin() || defined( 'DOING_CRON' ) || isset( $_GET['doing_wp_cron'] ) || isset( $_GET['backup'] ) ) {
// Load required classes.
if ( ! class_exists( 'GOAuth' ) )
require_once( 'class-goauth.php' );
if ( ! class_exists( 'GDocs' ) )
require_once( 'class-gdocs.php' );
// Load helper functions
require_once( 'functions.php' );
/**
* Backup for WordPress class.
*
* Implements backup functionality in WordPress. Currently supports
* backing up on the local filesystem and on Google Drive.
*
* @uses WP_Error for storing error messages.
* @uses GOAuth for Google OAuth2 authorization.
* @uses GData to upload backups to Google Drive (Docs).
*/
class Backup {
/**
* Stores the plugin version.
*
* @var string
* @access private
*/
private $version;
/**
* Stores the plugin base filesystem directory
*
* @var string
* @access private
*/
private $plugin_dir;
/**
* Stores the unique text domain used for I18n
*
* @var string
* @access private
*/
private $text_domain;
/**
* Stores plugin options.
*
* Options are automatically updated in the database when the destructor is called.
*
* @var array
* @access private
*/
private $options;
/**
* Stores custom schedule intervals to use with WP_Cron.
*
* @var array
* @access private
*/
private $schedules;
/**
* Stores the redirect URI needed by GOAuth.
*
* @var string
* @access private
*/
private $redirect_uri;
/**
* Stores an instance of GDocs.
*
* @var GDocs
* @access private
*/
private $gdocs;
/**
* Stores an instance of GOAuth.
*
* @var GOAuth
* @access private
*/
private $goauth;
/**
* Stores messages that need to be displayed on the option page.
*
* @var array
* @access private
*/
private $messages = array();
/**
* Stores the absolute path to the directory this plugin will use to store files.
*
* @var string
* @access private
*/
private $local_folder;
/**
* Stores the absolute path and file name where database dumps are saved.
*
* @var string
* @access private
*/
private $dump_file;
/**
* Stores the absolute path to the log file.
*
* @var string
* @access private
*/
private $log_file;
/**
* Stores a list of paths to directories and files that are available for backup.
*
* @var array
* @access private
*/
private $sources;
/**
* Stores paths that are to be excluded when backing up.
*
* @var array
* @access private
*/
private $exclude = array();
/**
* Stores a list of URIs representing the scope required by GOAuth.
*
* @var array
* @access private
*/
private $scope;
/**
* Stores the timestamp at the time of the execution.
*
* @var integer
* @access private
*/
private $time;
/**
* Stores the identifier of the plugin options page.
*
* @var string
* @access private
*/
private $pagehook;
/**
* Stores the ID of the current user
*
* @var integer
* @access private
*/
private $user_id;
/**
* Stores the list of HTTP transports supported by WordPress
*
* @var array
* @access private
*/
private $http_transports;
/**
* Constructor
*
* This loads most of what's needed to run the plugin and sets actions and filters.
*
* @global float $timestart Seconds from when script started
*/
function __construct() {
global $timestart;
$this->version = '2.2';
$this->time = intval( $timestart );
$this->plugin_dir = dirname( plugin_basename( __FILE__ ) );
$this->text_domain = 'backup';
// Enable internationalization
load_plugin_textdomain( $this->text_domain, false, $this->plugin_dir . '/languages' );
$this->scope = array(
'https://www.googleapis.com/auth/drive.file',
'https://www.googleapis.com/auth/userinfo.profile',
'https://www.googleapis.com/auth/userinfo.email',
'https://docs.google.com/feeds/',
'https://docs.googleusercontent.com/',
'https://spreadsheets.google.com/feeds/'
);
$this->http_transports = array( 'curl', 'streams', 'fsockopen' );
$this->schedules = array(
'weekly' => array(
'interval' => 604800,
'display' => __( 'Weekly', $this->text_domain )
),
'monthly' => array(
'interval' => 2592000,
'display' => __( 'Monthly', $this->text_domain )
)
);
$this->redirect_uri = admin_url( 'options-general.php?page=backup&action=auth' );
// Get options if they exist, else set defaults
if ( ! $this->options = get_option( 'backup_options' ) ) {
$this->options = array(
'plugin_version' => $this->version,
'backup_token' => '',
'refresh_token' => '',
'backup_title' => get_bloginfo( 'name' ),
'local_folder' => '',
'drive_folder' => '',
'backup_frequency' => 'never',
'source_list' => array( 'database', 'content', 'uploads', 'plugins' ),
'exclude_list' => array( '.svn', '.git', '.DS_Store' ),
'include_list' => array(),
'backup_list' => array(),
'client_id' => '',
'client_secret' => '',
'local_number' => 1,
'drive_number' => 10,
'quota_total' => '',
'quota_used' => '',
'chunk_size' => 1, // MB
'time_limit' => 600, // seconds
'backup_attempts' => 3,
'request_timeout' => 60, // seconds
'enabled_transports' => $this->http_transports,
'ssl_verify' => true,
'email_notify' => false,
'user_info' => array()
);
}
else
if (
!isset( $this->options['plugin_version'] ) ||
version_compare( $this->version, $this->options['plugin_version'], '>' )
)
add_action( 'init', array( &$this, 'upgrade' ), 1 );
// Allow some options to be overwritten from the config file.
if ( defined( 'BACKUP_REFRESH_TOKEN' ) ) $this->options['refresh_token'] = BACKUP_REFRESH_TOKEN;
if ( defined( 'BACKUP_DRIVE_FOLDER' ) ) $this->options['drive_folder'] = BACKUP_DRIVE_FOLDER;
if ( defined( 'BACKUP_CLIENT_ID' ) ) $this->options['client_id'] = BACKUP_CLIENT_ID;
if ( defined( 'BACKUP_CLIENT_SECRET' ) ) $this->options['client_secret'] = BACKUP_CLIENT_SECRET;
if ( defined( 'BACKUP_LOCAL_FOLDER' ) ) $this->options['local_folder'] = BACKUP_LOCAL_FOLDER;
$this->local_folder = absolute_path( $this->options['local_folder'], ABSPATH );
if ( defined( 'BACKUP_LOCAL_FOLDER' ) )
$this->create_dir( $this->local_folder );
$this->dump_file = $this->local_folder . '/dump.sql';
$upload_dir = wp_upload_dir();
$this->sources = array(
'database' => array( 'title' => __( 'Database', $this->text_domain ), 'path' => $this->dump_file ),
'content' => array( 'title' => __( 'Content', $this->text_domain ), 'path' => WP_CONTENT_DIR ),
'uploads' => array( 'title' => __( 'Uploads', $this->text_domain ), 'path' => $upload_dir['basedir'] ),
'plugins' => array( 'title' => __( 'Plugins', $this->text_domain ), 'path' => WP_PLUGIN_DIR ),
'wordpress' => array( 'title' => __( 'WordPress', $this->text_domain ), 'path' => ABSPATH )
);
$this->exclude[] = $this->local_folder;
register_activation_hook( __FILE__, array( &$this, 'activate' ) );
// Add custom cron intervals
add_filter( 'cron_schedules', array( &$this, 'cron_add_intervals' ) );
// Link to the settings page from the plugins page
add_filter( 'plugin_action_links', array( &$this, 'action_links' ), 10, 2 );
// Disable unwanted HTTP transports.
if ( isset( $this->options['enabled_transports'] ) )
foreach ( $this->http_transports as $t )
if ( !in_array( $t, $this->options['enabled_transports'] ) )
add_filter( 'use_' . $t . '_transport', '__return_false' );
// Add 'Backup' to the Settings admin menu; save default metabox layout in the database.
add_action( 'admin_menu', array( &$this, 'backup_menu' ) );
// Handle Google OAuth2.
if ( $this->is_auth() )
add_action( 'init', array( &$this, 'auth' ) );
// Display persistent error notifications if we have any.
if ( isset( $this->options['messages']['error'] ) )
add_action( 'admin_notices', array( &$this, 'error_notice' ), 3 );
// Print admin notices.
add_action( 'admin_notices', array( &$this, 'print_notices' ), 2 );
// Do backup on schedule.
add_action( 'backup_schedule', array( &$this, 'do_backup' ) );
// Retry to backup after a failed attempt.
add_action( 'backup_retry', array( &$this, 'retry_backup' ) );
// Do stuff just before the end of script execution.
add_action( 'shutdown', array( &$this, 'shutdown' ) );
// Prepare GOAuth object.
$this->goauth = new GOAuth( array(
'client_id' => $this->options['client_id'],
'client_secret' => $this->options['client_secret'],
'redirect_uri' => $this->redirect_uri,
'refresh_token' => $this->options['refresh_token'],
'request_timeout' => $this->options['request_timeout'],
'ssl_verify' => $this->options['ssl_verify']
) );
// If we're doing backup work set the environment accordingly.
if ( $this->doing_backup() ) {
if ( get_transient( 'backup_lock' ) )
exit; // Exit if another backup process is running.
set_transient( 'backup_lock', $this->time, 60 * 60 * 24 );
add_action( 'shutdown', array( &$this, 'unlock' ) );
// Enable manual backup URI.
add_action( 'template_redirect', array( &$this, 'manual_backup' ) );
@ini_set( 'safe_mode', 0 ); // Try to disable safe mode.
set_time_limit( $this->options['time_limit'] ); // Set the time limit.
// We might need a lot of memory for backing up.
@ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) );
ignore_user_abort( true ); // Allow the script to run after the user closes the window.
// All this is needed in order that every echo gets sent to the browser.
@ini_set( 'zlib.output_compression', 0 );
@ini_set( 'implicit_flush', 1 );
wp_ob_end_flush_all();
ob_implicit_flush();
}
}
/**
* This is run when you activate the plugin, checking for compatibility, adding the default options to the database.
*
* @global string $wp_version Used to check against the required WordPress version.
*/
public function activate() {
global $wp_version;
// Check for compatibility
try {
// check OpenSSL
if ( !function_exists( 'openssl_open' ) ) {
throw new Exception(
__( 'Please enable OpenSSL in PHP. Backup needs it to communicate with Google Drive.', $this->text_domain )
);
}
// check SimpleXMLElement
if ( !class_exists( 'SimpleXMLElement' ) ) {
throw new Exception(
__( 'Please enable SimpleXMLElement in PHP. Backup could not be activated.', $this->text_domain )
);
}
// check WordPress version
if ( version_compare( $wp_version, '3.4', '<' ) ) {
throw new Exception( __( 'Backup requires WordPress 3.4 or higher!', $this->text_domain ) );
}
}
catch ( Exception $e ) {
deactivate_plugins( $this->plugin_dir . '/backup.php', true );
echo '<div id="message" class="error">' . $e->getMessage() . '</div>';
trigger_error( 'Could not activate Backup.', E_USER_ERROR );
return;
}
// Set the backup token here, because in the constructor 'wp_generate_password()' is not defined.
$this->options['backup_token'] = wp_generate_password( 12, false );
if ( empty( $this->options['local_folder'] ) ) {
$this->local_folder = WP_CONTENT_DIR . '/backup-' . $this->options['backup_token'];
$this->options['local_folder'] = relative_path( ABSPATH, $this->local_folder );
}
if ( $this->goauth->is_authorized() )
$this->set_user_info();
// Add the default options to the database, without letting WP autoload them
add_option( 'backup_options', $this->options, '', 'no' );
$this->pagehook = get_plugin_page_hookname( 'backup', 'options-general.php' );
if ( ! $this->user_id )
$this->user_id = get_current_user_id();
// Set the default order of the metaboxes.
if ( ! get_user_meta( $this->user_id, "meta-box-order_".$this->pagehook, true ) ) {
$meta_value = array(
'side' => 'metabox-authorization,metabox-status',
'normal' => 'metabox-advanced',
'advanced' => 'metabox-logfile',
);
update_user_meta( $this->user_id, "meta-box-order_".$this->pagehook, $meta_value );
}
// Set the default closed metaboxes.
if ( ! get_user_meta( $this->user_id, "closedpostboxes_".$this->pagehook, true ) ) {
$meta_value = array( 'metabox-advanced' );
update_user_meta( $this->user_id, "closedpostboxes_".$this->pagehook, $meta_value );
}
// Set the default hidden metaboxes.
if ( ! get_user_meta( $this->user_id, "metaboxhidden_".$this->pagehook, true ) ) {
$meta_value = array( 'metabox-logfile' );
update_user_meta( $this->user_id, "metaboxhidden_".$this->pagehook, $meta_value );
}
// try to create the default backup folder files
$this->create_dir( $this->local_folder );
}
/**
* This function handles upgrading the plugin to a new version.
* It gets triggered when the plugin version is different than the one stored in the database.
*/
function upgrade() {
if (
!isset( $this->options['plugin_version'] ) ||
version_compare( $this->options['plugin_version'], '2.1', '<' )
) {
$this->options['backup_token'] = wp_generate_password( 12, false );
$this->options['backup_title'] = get_bloginfo( 'name' );
$this->options['include_list'] = array();
$this->options['request_timeout'] = 60;
$this->options['backup_attempts'] = 3;
$this->options['enabled_transports'] = $this->http_transports;
$this->options['ssl_verify'] = true;
$this->options['email_notify'] = false;
$this->options['user_info'] = array();
$this->options['backup_list'] = array();
if ( $this->goauth->is_authorized() )
$this->set_user_info();
// Delete the old backup folder if it's the default
if ( WP_CONTENT_DIR . '/backup' == $this->local_folder ) {
delete_path( $this->local_folder );
$this->options['local_files'] = array();
// and create a new one based on the random token.
$this->local_folder = WP_CONTENT_DIR . '/backup-' . $this->options['backup_token'];
$this->options['local_folder'] = relative_path( ABSPATH, $this->local_folder );
if ( wp_mkdir_p( $this->local_folder ) ) {
if ( !@is_file( $this->local_folder . "/.htaccess" ) )
file_put_contents( $this->local_folder . "/.htaccess", "Order allow,deny\nDeny from all" );
}
}
else {
file_put_contents( $this->local_folder . "/.htaccess", "Order allow,deny\nDeny from all" );
delete_path( $this->local_folder . '/backup.log' );
}
// Use the new backup_list array to store backup data.
if ( isset( $this->options['backup_list'] ) )
return;
$local_list = array_reverse( $this->options['local_files'] );
$drive_list = array_reverse( $this->options['drive_files'] );
$count = count( $drive_list );
if ( count( $local_list ) > $count )
$count = count( $local_list );
for ( $i = 0; $i < $count; $i++ ) {
$element = array();
$element['status'] = 1;
if ( isset( $local_list[$i] ) )
$element['file_path'] = $local_list[$i];
if ( isset( $drive_list[$i] ) )
$element['drive_id'] = $drive_list[$i];
if ( 0 == $i )
$element['timestamp'] = $this->options['last_backup'];
$this->options['backup_list'] = array_merge( array( (string) $i => $element ), $this->options['backup_list'] );
}
unset(
$this->options['local_files'],
$this->options['drive_files'],
$this->options['last_backup'],
$this->options['resume_attempts']
);
}
// Save the new plugin version
$this->options['plugin_version'] = $this->version;
}
/**
* Filter - Add custom schedule intervals.
*
* @param array $schedules The array of defined intervals.
* @return array Returns the array of defined intervals after adding the custom ones.
*/
function cron_add_intervals( $schedules ) {
return array_merge( $schedules, $this->schedules );
}
/**
* Filter - Adds a 'Settings' action link on the plugins page.
*
* @param array $links The list of links.
* @param string $file The plugin file to check.
* @return array Returns the list of links with the custom link added.
*/
function action_links( $links, $file ) {
if ( $file != plugin_basename( __FILE__ ) )
return $links;
$settings_link = sprintf( '<a href="options-general.php?page=backup">%s</a>',
__( 'Settings', $this->text_domain )
);
array_unshift( $links, $settings_link );
return $links;
}
/**
* Action - Adds options page in the admin menu.
*/
function backup_menu() {
$this->pagehook = add_options_page(
__( 'Backup Settings', $this->text_domain ),
__( 'Backup', $this->text_domain ),
'manage_options', 'backup',
array( &$this, 'options_page' )
);
// Hook to update options
add_action( 'load-'.$this->pagehook, array( &$this, 'options_update' ) );
// Hook to add metaboxes, context help and screen options
add_action( 'load-'.$this->pagehook, array( &$this, 'on_load_options_page' ) );
}
/**
* Action - Adds meta boxes and checks if the local folder is writable.
*/
function on_load_options_page() {
// These scripts are needed for metaboxes to function
wp_enqueue_script( 'common' );
wp_enqueue_script( 'wp-lists' );
wp_enqueue_script( 'postbox' );
add_action( 'admin_print_footer_scripts', array( &$this, 'print_footer_scripts' ) );
add_action( 'admin_print_styles', array( &$this, 'print_styles' ) );
// Add the metaboxes
add_meta_box( 'metabox-authorization',
__( 'Authorization', $this->text_domain ),
array( &$this, 'metabox_authorization_content' ),
$this->pagehook, 'side', 'core'
);
add_meta_box( 'metabox-status',
__( 'Status', $this->text_domain ),
array( &$this, 'metabox_status_content' ),
$this->pagehook, 'side', 'core'
);
add_meta_box( 'metabox-advanced',
__( 'Advanced', $this->text_domain ),
array( &$this, 'metabox_advanced_content' ),
$this->pagehook, 'normal', 'core'
);
add_meta_box( 'metabox-logfile',
__( 'Log File', $this->text_domain ),
array( &$this, 'metabox_logfile_content' ),
$this->pagehook, 'advanced', 'core'
);
// Add help tabs and help sidebar
include( 'context-help.php' );
add_screen_option( 'layout_columns', array( 'max' => 2, 'default' => 2 ) );
// Check if the local folder is writable
if ( ( !@is_dir( $this->local_folder ) && !$this->create_dir( $this->local_folder ) ) ||
!@is_writable( $this->local_folder ) )
$this->messages['error'][] = sprintf(
__( "The local path %s is not writable. Please change the permissions or choose another directory.",
$this->text_domain
), '<kbd>' . esc_html( $this->local_folder ) . '</kbd>'
);
}
/**
* Display the options page.
*
* @global integer $screen_layout_columns The number of of columns of the current screen
* @global object $wp_locale
*/
function options_page() {
global $screen_layout_columns, $wp_locale;
require_once( 'page-options.php' );
}
function print_styles() {
?><style>
#metabox-status > .inside {
padding: 0;
}
td > .feature-filter > .feature-group > li {
width: 120px;
}
</style><?php
}
function print_footer_scripts() {
?><script type="text/javascript">
//<![CDATA[
jQuery(document).ready( function($) {
$('.if-js-closed').removeClass('if-js-closed').addClass('closed');
postboxes.add_postbox_toggles('<?php echo $this->pagehook; ?>');
var val = "";
$('#backup_frequency').change(function(){
val = $("#backup_frequency option:selected").val();
switch(val) {
case "never":
$("#start_wrap").addClass("hide-if-js");
break;
default:
$("#start_wrap").removeClass("hide-if-js");
}
});
$('#need-help-link').click(function(e){e.preventDefault();$('#contextual-help-link').trigger('click')});
$('.show-para').click(function(e){e.preventDefault();$(this).hide();$(this).parent().siblings('.para').slideDown("fast");});
$('.click-select').click(function(){(this).select()});
});
//]]>
</script><?php
}
/**
* Render Authorization meta box.
*/
function metabox_authorization_content( $data ) {
if ( !$this->goauth->is_authorized() ) { ?>
<form action="<?php echo $this->redirect_uri; ?>" method="post">
<p><?php _e('Before backups can be uploaded to Google Drive, you need to authorize the plugin and give it permission to make changes on your behalf.', $this->text_domain ); ?></p>
<p>
<label for="client_id"><?php _e( 'Client ID', $this->text_domain ); ?></label>
<input id="client_id" name="client_id" type='text' <?php __checked_selected_helper( defined( 'BACKUP_CLIENT_ID' ), true, true, 'readonly' ); ?> class="large-text" value='<?php echo esc_html( $this->options['client_id'] ); ?>' />
</p>
<p>
<label for="client_secret"><?php _e( 'Client secret', $this->text_domain ); ?>
<input id="client_secret" name='client_secret' type='text' <?php __checked_selected_helper( defined( 'BACKUP_CLIENT_SECRET' ), true, true, 'readonly' ); ?> class="large-text" value='<?php echo esc_html( $this->options['client_secret'] ); ?>' />
</p>
<p class="para hide-if-js">
<label for="refresh_token"><?php _e( 'Refresh token', $this->text_domain ); ?>
<input id="refresh_token" name='refresh_token' type='text' <?php __checked_selected_helper( defined( 'BACKUP_REFRESH_TOKEN' ), true, true, 'readonly' ); ?> class="large-text" value='<?php echo esc_html( $this->options['refresh_token'] ); ?>' />
</p>
<p>
<input name="authorize" type="submit" class="button-secondary" value="<?php _e( 'Authorize', $this->text_domain ) ?>" /> <a href="#refresh_token" class="show-para hide-if-no-js"><?php _e( 'More', $this->text_domain ); ?></a>
</p>
</form>
<?php } else { ?>
<?php if ( !empty( $this->options['user_info'] ) ) { ?>
<div id="dashboard_right_now" class="column-username">
<?php if ( $this->options['user_info']['picture'] ) { ?>
<img src="<?php echo $this->options['user_info']['picture']; ?>" width="50" heigth="50" />
<?php } else {
$default = get_option( 'avatar_default' );
if ( empty( $default ) )
$default = 'mystery';
echo get_avatar( $this->options['user_info']['email'], 50, $default );
}?>
<strong><?php echo $this->options['user_info']['name']; ?></strong><br />
<?php echo $this->options['user_info']['email']; ?><br />
<span class="approved"><?php _e( "Authorized", $this->text_domain ); ?></span>
</div>
<?php }
?>
<p><?php _e( 'Authorization to use Google Drive has been granted.', $this->text_domain ); ?></p>
<p class="para hide-if-js"><input type="text" readonly="readonly" class="click-select large-text" value="<?php echo esc_html( $this->options['refresh_token'] ); ?>" /></p>
<p><?php
if ( defined( 'BACKUP_REFRESH_TOKEN' ) ) {
?><a class="button disabled"><?php
} else {
?><a href="<?php echo $this->redirect_uri; ?>&state=revoke" class="button-secondary"><?php
}
?><?php _e( 'Revoke access', $this->text_domain ); ?></a> <a href="#token-select" class="show-para hide-if-no-js"><?php _e( 'Show token', $this->text_domain ); ?></a></p><?php
}
}
/**
* Render Status meta box.
*/
function metabox_status_content( $data ) {
$datetime_format = get_option( 'date_format' ) . " " . get_option( 'time_format' );
echo '<div class="misc-pub-section">' . __( 'Current date and time:', $this->text_domain ) . '<br/><strong>' .
date_i18n( $datetime_format, $this->time ) .
'</strong></div>' .
'<div class="misc-pub-section">' . __( 'Most recent backup:', $this->text_domain ) . '<br/><strong>';
if ( $backup = $this->get_last_backup( true ) )
echo date_i18n( $datetime_format, $backup['timestamp'] );
else
_e( 'never', $this->text_domain );
echo '</strong></div>' .
'<div class="misc-pub-section">' . __( 'Next scheduled backup:', $this->text_domain ) . '<br/><strong>';
if ( $next = wp_next_scheduled( 'backup_schedule' ) )
echo date_i18n( $datetime_format, $next );
else
_e( 'never', $this->text_domain );
echo '</strong></div>';
if ( $this->options['quota_used'] ) {
echo '<div class="misc-pub-section">' . __( 'Google Drive quota:', $this->text_domain ) . '<br/><strong>';
printf( __( '%s of %s used', $this->text_domain ),
size_format( $this->options['quota_used'], 2 ),
size_format( $this->options['quota_total'], 2 )
);
echo '</strong></div>';
}
?>
<div class="misc-pub-section misc-pub-section-last"><?php _e( 'Manual backup:', $this->text_domain ) ?>
<p class="para hide-if-js">
<input type="text" readonly="readonly" class="click-select large-text" value="<?php echo home_url( '?backup=' . $this->options['backup_token'] ); ?>" />
</p>
<div id="waiting">
<a href="<?php echo home_url( '?backup=' . $this->options['backup_token'] ); ?>" class="button-secondary" target="_blank">
<?php _e( 'Back up now', $this->text_domain ) ?></a>
<a href="#waiting" class="show-para hide-if-no-js">
<?php _e( 'Show URI', $this->text_domain ) ?>
</a>
</div>
</div><?php
}
/**
* Render Advanced meta box.
*/
function metabox_advanced_content( $data ) {
$names = array_keys( $this->sources );
echo '<div id="the-comment-list">' .
'<div class="comment-item">' .
'<h4>' . __( 'Backup options', $this->text_domain ) . '</h4>' .
'<table class="form-table">' .
'<tbody>' .
'<tr valign="top">' .
'<th scope="row"><label for="exclude">' . __( 'Exclude list', $this->text_domain ) . '</label></th>' .
'<td><input id="exclude" name="exclude" type="text" class="regular-text code" placeholder="' .
__( 'Comma separated paths to exclude.', $this->text_domain ) . '" value="' .
esc_html( implode( ', ', $this->options['exclude_list'] ) ) . '" /></td>' .
'</tr>' .
'<tr valign="top">' .
'<th scope="row"><label for="include">' . __( 'Include list', $this->text_domain ) . '</label></th>' .
'<td><input id="include" name="include" type="text" class="regular-text code" placeholder="' .
__( 'Comma separated paths to include.', $this->text_domain ) . '" value="' .
esc_html( implode( ', ', $this->options['include_list'] ) ) . '" /></td>' .
'</tr>' .
'</tbody>' .
'</table>' .
'</div>' .
'<div class="comment-item">' .
'<h4>' . __( 'Notification options', $this->text_domain ) . '</h4>' .
'<table class="form-table">' .
'<tbody>' .
'<tr valign="top">' .
'<th scope="row">' . __( 'When Backup fails', $this->text_domain ) . '</th>' .
'<td><label for="email_notify"><input id="email_notify" name="email_notify" type="checkbox" value="" ' .
checked( true, $this->options['email_notify'], false ) . ' /> ' .
__( 'send me an email notification.', $this->text_domain ) . '</label></td>' .
'</tr>' .
'</tbody>' .
'</table>' .
'</div>' .
'<div class="comment-item">' .
'<h4>' . __( 'Upload options', $this->text_domain ) . '</h4>' .
'<table class="form-table">' .
'<tbody>' .
'<tr valign="top">' .
'<th scope="row"><label for="chunk_size">' . __( 'Chunk size', $this->text_domain ) . '</label></th>' .
'<td><input id="chunk_size" name="chunk_size" class="small-text" type="number" min="0.5" step="0.5" value="' .
floatval( $this->options['chunk_size'] ) . '" /> <span>' .
__( 'MB', $this->text_domain ) . '</span></td>' .
'</tr>' .
'<tr valign="top">' .
'<th scope="row"><label for="time_limit">' . __( 'Time limit', $this->text_domain ) . '</label></th>' .
'<td><input id="time_limit" name="time_limit" class="small-text" type="number" min="0" step="1" value="' .
intval( $this->options['time_limit'] ) . '" /> <span>' .
__( 'seconds', $this->text_domain ) . '</span></td>' .
'</tr>' .
'<tr valign="top">' .
'<th scope="row"><label for="backup_attempts">' .
__( 'Retry failed backups', $this->text_domain ) . '</label></th>' .
'<td><input id="backup_attempts" name="backup_attempts" class="small-text" type="number" min="0" step="1" value="' .
intval( $this->options['backup_attempts'] ) . '" /> <span>' .
__( 'times', $this->text_domain ) . '</span></td>' .
'</tr>' .
'</tbody>' .
'</table>' .
'</div>' .
'<div class="comment-item">' .
'<h4>' . __( 'HTTP options', $this->text_domain ) . '</h4>' .
'<table class="form-table">' .
'<tbody>' .
'<tr valign="top">' .
'<th scope="row"><label for="request_timeout">' .
__( 'Request timeout', $this->text_domain ) . '</label></th>' .
'<td><input id="request_timeout" name="request_timeout" class="small-text" type="number" min="0" step="1" value="' .
intval( $this->options['request_timeout'] ) . '" /> <span>' .
__( 'seconds', $this->text_domain ) . '</span></td>' .
'</tr>' .
'<tr valign="top">' .
'<th scope="row">' . __( 'SSL verification', $this->text_domain ) . '</th>' .
'<td><label for="ssl_verify"><input id="ssl_verify" name="ssl_verify" type="checkbox" value="" ' .
checked( true, $this->options['ssl_verify'], false ) . ' /> ' .
__( 'Enable SSL verification.', $this->text_domain ) . '</label></td>' .
'</tr>' .
'<tr valign="top">' .
'<th scope="row">' . __( 'Enabled transports', $this->text_domain ) . '</th>' .
'<td>' .
'<div class="feature-filter">' .
'<ol class="feature-group">';
foreach ( $this->http_transports as $transport )
echo '<li><label for="transport_' . $transport . '"><input id="transport_' .
$transport . '" name="transports[]" type="checkbox" value="' . $transport . '" ' .
checked( true, in_array( $transport, $this->options['enabled_transports'] ), false ) . ' /> ' .
$transport . '</label></li>';
echo '</ol>' .
'<div class="clear">' .
'</div>' .
'</td>' .
'</tr>' .
'</tbody>' .
'</table>' .
'</div>' .
'</div>';
}
/**
* Render Log file meta box.
*/
function metabox_logfile_content( $data ) {
$last_backup = $this->get_last_backup();
$lines = @file( $last_backup['log'], FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES );
if ( !empty( $lines ) ) {
$header = array_shift( $lines );
$header = substr( $header, 9 );
$header = explode( "\t", $header );
foreach ( $lines as $i => $l ) {
$lines[$i] = explode( "\t", $l );
}
echo '<h4 class="column-posts">' . __( 'Log entries for the most recent backup attempt', $this->text_domain ) .
'</h4><table class="widefat fixed"><thead><tr>';
foreach ( $header as $i => $h )
echo '<th ' . ( ( 3 == $i )? '' : 'class="column-rel"' ) . '>' . esc_html( ucfirst( $h ) ) . '</th>';
echo '</tr></thead><tbody>';
foreach ( $lines as $line ) {
echo '<tr>';
foreach ( $line as $l )
echo '<td class="code">' . esc_html( $l ) . '</td>';
echo '</tr>';
}
echo '</tbody></table>';
}
else
echo '<p>' . __( 'There is no log file to display.', $this->text_domain ) . '</p>';
}
/**
* Validates and sanitizes user submitted options and saves them.
*/
function options_update() {
if ( isset( $_GET['action'] ) && 'update' == $_GET['action'] ) {
check_admin_referer( 'backup_options' );
// Validate and save chunk size.
$chunk_size = floatval( $_POST['chunk_size'] );
if ( 0 < $chunk_size && 0 == ($chunk_size * 10) % 5 )
$this->options['chunk_size'] = $chunk_size;
else
$this->messages['error'][] = __( 'The chunk size must be a multiple of 0.5 MB.', $this->text_domain );
// Save time limit.
$this->options['time_limit'] = absint( $_POST['time_limit'] );
// Save max resume attempts.
$this->options['backup_attempts'] = absint( $_POST['backup_attempts'] );
// Validate and save local and drive numbers.
$local_number = absint( $_POST['local_number'] );
if ( isset( $_POST['drive_number'] ) ) {
$drive_number = absint( $_POST['drive_number'] );
if ( 0 == $local_number && 0 == $drive_number )
$this->messages['error'][] = __(
'You need to store at least one local or Drive backup.', $this->text_domain
);
else {
$this->options['drive_number'] = $drive_number;
$this->options['local_number'] = $local_number;
}
}
else
if ( 0 >= $local_number )
$this->messages['error'][] = __( 'You need to store at least one local backup.', $this->text_domain );
else
$this->options['local_number'] = $local_number;
// Handle local folder change.
if (
!defined( 'BACKUP_LOCAL_FOLDER' ) && isset( $_POST['local_folder'] ) &&
$_POST['local_folder'] != $this->options['local_folder']
) {
$path = absolute_path( $_POST['local_folder'], ABSPATH );
if ( ! @file_exists( $path ) || @is_file( path_join( $path, '.backup' ) ) ) {
if ( !$this->create_dir( $path ) )
$this->messages['error'][] = sprintf(
__( "Could not create directory %s. You might want to create it manually and set the right permissions.",
$this->text_domain ), '<kbd>' . esc_html( $path ) . '</kbd>'
);
else {
$this->options['local_folder'] = $_POST['local_folder'];
$this->local_folder = $path;
}
}
else
$this->messages['error'][] = sprintf(
__( "The directory %s already exists.", $this->text_domain ), '<kbd>' . esc_html( $path ) . '</kbd>'
);
}
// Handle transports.
if ( !isset( $_POST['transports'] ) )
$this->messages['error'][] = __( 'You cannot have all HTTP transports disabled.', $this->text_domain );
else
$this->options['enabled_transports'] = $_POST['transports'];
// Handle sources and include list.
if ( !isset( $_POST['sources'] ) && empty( $_POST['include'] ) )
$this->messages['error'][] = __( 'Please make sure you select something to back up.', $this->text_domain );
else {
if ( isset( $_POST['sources'] ) )
$this->options['source_list'] = $_POST['sources'];
else
$this->options['source_list'] = array();
if ( !empty( $_POST['include'] ) ) {
$this->options['include_list'] = explode( ',', $_POST['include'] );
foreach ( $this->options['include_list'] as $i => $v )
$this->options['include_list'][$i] = trim( $v );
}
else
$this->options['include_list'] = array();
}
// Handle exlclude list.
if ( ! empty( $_POST['exclude'] ) ) {
$this->options['exclude_list'] = explode( ',', $_POST['exclude'] );
foreach ( $this->options['exclude_list'] as $i => $v )
$this->options['exclude_list'][$i] = trim( $v );
}
else
$this->options['exclude_list'] = array();
// Save Drive folder.