/**
 * Copyright (C) 2014-2025 ServMask Inc.
 *
 * 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 <http://www.gnu.org/licenses/>.
 *
 * Attribution: This code is part of the All-in-One WP Migration plugin, developed by
 *
 * ███████╗███████╗██████╗ ██╗   ██╗███╗   ███╗ █████╗ ███████╗██╗  ██╗
 * ██╔════╝██╔════╝██╔══██╗██║   ██║████╗ ████║██╔══██╗██╔════╝██║ ██╔╝
 * ███████╗█████╗  ██████╔╝██║   ██║██╔████╔██║███████║███████╗█████╔╝
 * ╚════██║██╔══╝  ██╔══██╗╚██╗ ██╔╝██║╚██╔╝██║██╔══██║╚════██║██╔═██╗
 * ███████║███████╗██║  ██║ ╚████╔╝ ██║ ╚═╝ ██║██║  ██║███████║██║  ██╗
 * ╚══════╝╚══════╝╚═╝  ╚═╝  ╚═══╝  ╚═╝     ╚═╝╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝
 */

if ( ! defined( 'ABSPATH' ) ) {
	die( 'Kangaroos cannot jump here' );
}

/**
 * Get storage absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_storage_path( $params ) {
	if ( empty( $params['storage'] ) ) {
		throw new Ai1wm_Storage_Exception( __( 'Could not locate the storage path. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-storage-path/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ) );
	}

	// Validate storage path
	if ( ai1wm_validate_file( $params['storage'] ) !== 0 ) {
		throw new Ai1wm_Storage_Exception( __( 'Your storage directory name contains invalid characters: < > : " | ? * \0. It must not include these characters. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-storage-name/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ) );
	}

	// Get storage path
	$storage = AI1WM_STORAGE_PATH . DIRECTORY_SEPARATOR . basename( $params['storage'] );
	if ( ! is_dir( $storage ) ) {
		mkdir( $storage, 0777, true );
	}

	return $storage;
}

/**
 * Get backup absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_backup_path( $params ) {
	if ( empty( $params['archive'] ) ) {
		throw new Ai1wm_Archive_Exception( __( 'Could not locate the archive path. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-archive-path/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ) );
	}

	// Validate archive path
	if ( ai1wm_validate_file( $params['archive'] ) !== 0 ) {
		throw new Ai1wm_Archive_Exception( __( 'Your archive file name contains invalid characters: < > : " | ? * \0. It must not include these characters. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-archive-name/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ) );
	}

	// Validate file extension
	if ( ! ai1wm_is_filename_supported( $params['archive'] ) ) {
		throw new Ai1wm_Archive_Exception( __( 'Invalid archive file type. Only .wpress files are allowed. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-file-type/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ) );
	}

	return AI1WM_BACKUPS_PATH . DIRECTORY_SEPARATOR . $params['archive'];
}

/**
 * Validates a file name and path against an allowed set of rules
 *
 * @param  string  $file          File path
 * @param  array   $allowed_files Array of allowed files
 * @return integer
 */
function ai1wm_validate_file( $file, $allowed_files = array() ) {
	$file = str_replace( '\\', '/', $file );

	// Validates special characters that are illegal in filenames on certain
	// operating systems and special characters requiring special escaping
	// to manipulate at the command line
	$invalid_chars = array( '<', '>', ':', '"', '|', '?', '*', chr( 0 ) );
	foreach ( $invalid_chars as $char ) {
		if ( strpos( $file, $char ) !== false ) {
			return 1;
		}
	}

	return validate_file( $file, $allowed_files );
}

/**
 * Get archive absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_archive_path( $params ) {
	if ( empty( $params['archive'] ) ) {
		throw new Ai1wm_Archive_Exception( __( 'Could not locate the archive path. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-archive-path/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ) );
	}

	// Validate archive path
	if ( ai1wm_validate_file( $params['archive'] ) !== 0 ) {
		throw new Ai1wm_Archive_Exception( __( 'Your archive file name contains invalid characters: < > : " | ? * \0. It must not include these characters. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-archive-name/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ) );
	}

	// Validate file extension
	if ( ! ai1wm_is_filename_supported( $params['archive'] ) ) {
		throw new Ai1wm_Archive_Exception( __( 'Invalid archive file type. Only .wpress files are allowed. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-file-type/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ) );
	}

	// Get archive path
	if ( empty( $params['ai1wm_manual_restore'] ) ) {
		return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . $params['archive'];
	}

	return ai1wm_backup_path( $params );
}

/**
 * Get multipart.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_multipart_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_MULTIPART_NAME;
}

/**
 * Get content.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_content_list_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_CONTENT_LIST_NAME;
}

/**
 * Get media.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_media_list_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_MEDIA_LIST_NAME;
}

/**
 * Get plugins.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_plugins_list_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_PLUGINS_LIST_NAME;
}

/**
 * Get themes.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_themes_list_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_THEMES_LIST_NAME;
}

/**
 * Get tables.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_tables_list_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_TABLES_LIST_NAME;
}

/**
 * Get incremental.content.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_incremental_content_list_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_INCREMENTAL_CONTENT_LIST_NAME;
}

/**
 * Get incremental.media.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_incremental_media_list_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_INCREMENTAL_MEDIA_LIST_NAME;
}

/**
 * Get incremental.plugins.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_incremental_plugins_list_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_INCREMENTAL_PLUGINS_LIST_NAME;
}

/**
 * Get incremental.themes.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_incremental_themes_list_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_INCREMENTAL_THEMES_LIST_NAME;
}

/**
 * Get incremental.backups.list absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_incremental_backups_list_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_INCREMENTAL_BACKUPS_LIST_NAME;
}

/**
 * Get package.json absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_package_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_PACKAGE_NAME;
}

/**
 * Get multisite.json absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_multisite_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_MULTISITE_NAME;
}

/**
 * Get blogs.json absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_blogs_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_BLOGS_NAME;
}

/**
 * Get settings.json absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_settings_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_SETTINGS_NAME;
}

/**
 * Get database.sql absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_database_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_DATABASE_NAME;
}

/**
 * Get cookies.txt absolute path
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_cookies_path( $params ) {
	return ai1wm_storage_path( $params ) . DIRECTORY_SEPARATOR . AI1WM_COOKIES_NAME;
}

/**
 * Get error log absolute path
 *
 * @param  string $nonce Log nonce
 * @return string
 */
function ai1wm_error_path( $nonce ) {
	return AI1WM_STORAGE_PATH . DIRECTORY_SEPARATOR . sprintf( AI1WM_ERROR_NAME, $nonce );
}

/**
 * Get archive name
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_archive_name( $params ) {
	return basename( $params['archive'] );
}

/**
 * Get backup URL address
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_backup_url( $params ) {
	static $backups_base_url = '';
	if ( empty( $backups_base_url ) ) {
		if ( Ai1wm_Backups::are_in_wp_content_folder() ) {
			$backups_base_url = str_replace( untrailingslashit( WP_CONTENT_DIR ), '', AI1WM_BACKUPS_PATH );
			$backups_base_url = content_url(
				ai1wm_replace_directory_separator_with_forward_slash( $backups_base_url )
			);
		} else {
			$backups_base_url = str_replace( untrailingslashit( ABSPATH ), '', AI1WM_BACKUPS_PATH );
			$backups_base_url = site_url(
				ai1wm_replace_directory_separator_with_forward_slash( $backups_base_url )
			);
		}
	}

	return $backups_base_url . '/' . ai1wm_replace_directory_separator_with_forward_slash( $params['archive'] );
}

/**
 * Get archive size in bytes
 *
 * @param  array   $params Request parameters
 * @return integer
 */
function ai1wm_archive_bytes( $params ) {
	return filesize( ai1wm_archive_path( $params ) );
}

/**
 * Get archive modified time in seconds
 *
 * @param  array   $params Request parameters
 * @return integer
 */
function ai1wm_archive_mtime( $params ) {
	return filemtime( ai1wm_archive_path( $params ) );
}

/**
 * Get backup size in bytes
 *
 * @param  array   $params Request parameters
 * @return integer
 */
function ai1wm_backup_bytes( $params ) {
	return filesize( ai1wm_backup_path( $params ) );
}

/**
 * Get database size in bytes
 *
 * @param  array   $params Request parameters
 * @return integer
 */
function ai1wm_database_bytes( $params ) {
	return filesize( ai1wm_database_path( $params ) );
}

/**
 * Get package size in bytes
 *
 * @param  array   $params Request parameters
 * @return integer
 */
function ai1wm_package_bytes( $params ) {
	return filesize( ai1wm_package_path( $params ) );
}

/**
 * Get multisite size in bytes
 *
 * @param  array   $params Request parameters
 * @return integer
 */
function ai1wm_multisite_bytes( $params ) {
	return filesize( ai1wm_multisite_path( $params ) );
}

/**
 * Get archive size as text
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_archive_size( $params ) {
	return ai1wm_size_format( filesize( ai1wm_archive_path( $params ) ) );
}

/**
 * Get backup size as text
 *
 * @param  array  $params Request parameters
 * @return string
 */
function ai1wm_backup_size( $params ) {
	return ai1wm_size_format( filesize( ai1wm_backup_path( $params ) ) );
}

/**
 * Parse file size
 *
 * @param  string $size    File size
 * @param  string $default Default size
 * @return string
 */
function ai1wm_parse_size( $size, $default = null ) {
	$suffixes = array(
		''  => 1,
		'k' => 1000,
		'm' => 1000000,
		'g' => 1000000000,
	);

	// Parse size format
	if ( preg_match( '/([0-9]+)\s*(k|m|g)?(b?(ytes?)?)/i', $size, $matches ) ) {
		return $matches[1] * $suffixes[ strtolower( $matches[2] ) ];
	}

	return $default;
}

/**
 * Format file size into human-readable string
 *
 * Fixes the WP size_format bug: size_format( '0' ) => false
 *
 * @param  int|string   $bytes            Number of bytes. Note max integer size for integers.
 * @param  int          $decimals         Optional. Precision of number of decimal places. Default 0.
 * @return string|false False on failure. Number string on success.
 */
function ai1wm_size_format( $bytes, $decimals = 0 ) {
	if ( strval( $bytes ) === '0' ) {
		return size_format( 0, $decimals );
	}

	return size_format( $bytes, $decimals );
}

/**
 * Get current site name
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_site_name( $blog_id = null ) {
	return parse_url( get_site_url( $blog_id ), PHP_URL_HOST );
}

/**
 * Get archive file name
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_archive_file( $blog_id = null ) {
	$name = array();

	// Add domain
	if ( defined( 'AI1WM_KEEP_DOMAIN_NAME' ) ) {
		$name[] = parse_url( get_site_url( $blog_id ), PHP_URL_HOST );
	} elseif ( ( $domain = explode( '.', parse_url( get_site_url( $blog_id ), PHP_URL_HOST ) ) ) ) {
		foreach ( $domain as $subdomain ) {
			if ( ( $subdomain = strtolower( $subdomain ) ) ) {
				$name[] = $subdomain;
			}
		}
	}

	// Add path
	if ( ( $path = parse_url( get_site_url( $blog_id ), PHP_URL_PATH ) ) ) {
		foreach ( explode( '/', $path ) as $directory ) {
			if ( ( $directory = strtolower( preg_replace( '/[^A-Za-z0-9\-]/', '', $directory ) ) ) ) {
				$name[] = $directory;
			}
		}
	}

	// Add year, month and day
	$name[] = date_i18n( 'Ymd' );

	// Add hours, minutes and seconds
	$name[] = date_i18n( 'His' );

	// Add unique identifier
	$name[] = ai1wm_generate_random_string( 12, false );

	return sprintf( '%s.wpress', strtolower( implode( '-', $name ) ) );
}

/**
 * Get archive folder name
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_archive_folder( $blog_id = null ) {
	$name = array();

	// Add domain
	if ( defined( 'AI1WM_KEEP_DOMAIN_NAME' ) ) {
		$name[] = parse_url( get_site_url( $blog_id ), PHP_URL_HOST );
	} elseif ( ( $domain = explode( '.', parse_url( get_site_url( $blog_id ), PHP_URL_HOST ) ) ) ) {
		foreach ( $domain as $subdomain ) {
			if ( ( $subdomain = strtolower( $subdomain ) ) ) {
				$name[] = $subdomain;
			}
		}
	}

	// Add path
	if ( ( $path = parse_url( get_site_url( $blog_id ), PHP_URL_PATH ) ) ) {
		foreach ( explode( '/', $path ) as $directory ) {
			if ( ( $directory = strtolower( preg_replace( '/[^A-Za-z0-9\-]/', '', $directory ) ) ) ) {
				$name[] = $directory;
			}
		}
	}

	return strtolower( implode( '-', $name ) );
}

/**
 * Get archive bucket name
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_archive_bucket( $blog_id = null ) {
	$name = array();

	// Add domain
	if ( ( $domain = explode( '.', parse_url( get_site_url( $blog_id ), PHP_URL_HOST ) ) ) ) {
		foreach ( $domain as $subdomain ) {
			if ( ( $subdomain = strtolower( $subdomain ) ) ) {
				$name[] = $subdomain;
			}
		}
	}

	// Add path
	if ( ( $path = parse_url( get_site_url( $blog_id ), PHP_URL_PATH ) ) ) {
		foreach ( explode( '/', $path ) as $directory ) {
			if ( ( $directory = strtolower( preg_replace( '/[^A-Za-z0-9\-]/', '', $directory ) ) ) ) {
				$name[] = $directory;
			}
		}
	}

	return strtolower( implode( '-', $name ) );
}

/**
 * Get archive vault name
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_archive_vault( $blog_id = null ) {
	$name = array();

	// Add domain
	if ( ( $domain = explode( '.', parse_url( get_site_url( $blog_id ), PHP_URL_HOST ) ) ) ) {
		foreach ( $domain as $subdomain ) {
			if ( ( $subdomain = strtolower( $subdomain ) ) ) {
				$name[] = $subdomain;
			}
		}
	}

	// Add path
	if ( ( $path = parse_url( get_site_url( $blog_id ), PHP_URL_PATH ) ) ) {
		foreach ( explode( '/', $path ) as $directory ) {
			if ( ( $directory = strtolower( preg_replace( '/[^A-Za-z0-9\-]/', '', $directory ) ) ) ) {
				$name[] = $directory;
			}
		}
	}

	return strtolower( implode( '-', $name ) );
}

/**
 * Get archive project name
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_archive_project( $blog_id = null ) {
	$name = array();

	// Add domain
	if ( ( $domain = explode( '.', parse_url( get_site_url( $blog_id ), PHP_URL_HOST ) ) ) ) {
		foreach ( $domain as $subdomain ) {
			if ( ( $subdomain = strtolower( $subdomain ) ) ) {
				$name[] = $subdomain;
			}
		}
	}

	// Add path
	if ( ( $path = parse_url( get_site_url( $blog_id ), PHP_URL_PATH ) ) ) {
		foreach ( explode( '/', $path ) as $directory ) {
			if ( ( $directory = strtolower( preg_replace( '/[^A-Za-z0-9\-]/', '', $directory ) ) ) ) {
				$name[] = $directory;
			}
		}
	}

	return strtolower( implode( '-', $name ) );
}

/**
 * Get archive share name
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_archive_share( $blog_id = null ) {
	$name = array();

	// Add domain
	if ( ( $domain = explode( '.', parse_url( get_site_url( $blog_id ), PHP_URL_HOST ) ) ) ) {
		foreach ( $domain as $subdomain ) {
			if ( ( $subdomain = strtolower( $subdomain ) ) ) {
				$name[] = $subdomain;
			}
		}
	}

	// Add path
	if ( ( $path = parse_url( get_site_url( $blog_id ), PHP_URL_PATH ) ) ) {
		foreach ( explode( '/', $path ) as $directory ) {
			if ( ( $directory = strtolower( preg_replace( '/[^A-Za-z0-9\-]/', '', $directory ) ) ) ) {
				$name[] = $directory;
			}
		}
	}

	return strtolower( implode( '-', $name ) );
}

/**
 * Generate random string
 *
 * @param  integer $length              String length
 * @param  boolean $mixed_chars         Whether to include mixed characters
 * @param  boolean $special_chars       Whether to include special characters
 * @param  boolean $extra_special_chars Whether to include extra special characters
 * @return string
 */
function ai1wm_generate_random_string( $length = 12, $mixed_chars = true, $special_chars = false, $extra_special_chars = false ) {
	$chars = 'abcdefghijklmnopqrstuvwxyz0123456789';
	if ( $mixed_chars ) {
		$chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
	}

	if ( $special_chars ) {
		$chars .= '!@#$%^&*()';
	}

	if ( $extra_special_chars ) {
		$chars .= '-_ []{}<>~`+=,.;:/?|';
	}

	$str = '';
	for ( $i = 0; $i < $length; $i++ ) {
		$str .= substr( $chars, wp_rand( 0, strlen( $chars ) - 1 ), 1 );
	}

	return $str;
}

/**
 * Get storage folder name
 *
 * @return string
 */
function ai1wm_storage_folder() {
	return uniqid();
}

/**
 * Check whether blog ID is main site
 *
 * @param  integer $blog_id Blog ID
 * @return boolean
 */
function ai1wm_is_mainsite( $blog_id = null ) {
	return $blog_id === null || $blog_id === 0 || $blog_id === 1;
}

/**
 * Get files absolute path by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_blog_files_abspath( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return ai1wm_get_uploads_dir();
	}

	return WP_CONTENT_DIR . DIRECTORY_SEPARATOR . 'blogs.dir' . DIRECTORY_SEPARATOR . $blog_id . DIRECTORY_SEPARATOR . 'files';
}

/**
 * Get blogs.dir absolute path by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_blog_blogsdir_abspath( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return ai1wm_get_uploads_dir();
	}

	return WP_CONTENT_DIR . DIRECTORY_SEPARATOR . 'blogs.dir' . DIRECTORY_SEPARATOR . $blog_id;
}

/**
 * Get sites absolute path by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_blog_sites_abspath( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return ai1wm_get_uploads_dir();
	}

	return ai1wm_get_uploads_dir() . DIRECTORY_SEPARATOR . 'sites' . DIRECTORY_SEPARATOR . $blog_id;
}

/**
 * Get files relative path by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_blog_files_relpath( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return 'uploads';
	}

	return 'blogs.dir' . DIRECTORY_SEPARATOR . $blog_id . DIRECTORY_SEPARATOR . 'files';
}

/**
 * Get blogs.dir relative path by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_blog_blogsdir_relpath( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return 'uploads';
	}

	return 'blogs.dir' . DIRECTORY_SEPARATOR . $blog_id;
}

/**
 * Get sites relative path by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_blog_sites_relpath( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return 'uploads';
	}

	return 'uploads' . DIRECTORY_SEPARATOR . 'sites' . DIRECTORY_SEPARATOR . $blog_id;
}

/**
 * Get files URL by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_blog_files_url( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return '/wp-content/uploads/';
	}

	return sprintf( '/wp-content/blogs.dir/%d/files/', $blog_id );
}

/**
 * Get blogs.dir URL by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_blog_blogsdir_url( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return '/wp-content/uploads/';
	}

	return sprintf( '/wp-content/blogs.dir/%d/', $blog_id );
}

/**
 * Get sites URL by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_blog_sites_url( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return '/wp-content/uploads/';
	}

	return sprintf( '/wp-content/uploads/sites/%d/', $blog_id );
}

/**
 * Get uploads URL by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_blog_uploads_url( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return sprintf( '/%s/', ai1wm_get_uploads_path() );
	}

	return sprintf( '/%s/sites/%d/', ai1wm_get_uploads_path(), $blog_id );
}

/**
 * Get ServMask table prefix by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_servmask_prefix( $blog_id = null ) {
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return AI1WM_TABLE_PREFIX;
	}

	return AI1WM_TABLE_PREFIX . $blog_id . '_';
}

/**
 * Get WordPress table prefix by blog ID
 *
 * @param  integer $blog_id Blog ID
 * @return string
 */
function ai1wm_table_prefix( $blog_id = null ) {
	global $wpdb;

	// Set base table prefix
	if ( ai1wm_is_mainsite( $blog_id ) ) {
		return $wpdb->base_prefix;
	}

	return $wpdb->base_prefix . $blog_id . '_';
}

/**
 * Get default content filters
 *
 * @param  array $filters List of files and directories
 * @return array
 */
function ai1wm_content_filters( $filters = array() ) {
	return array_merge(
		$filters,
		array(
			AI1WM_BACKUPS_PATH,
			AI1WM_BACKUPS_NAME,
			AI1WM_PACKAGE_NAME,
			AI1WM_MULTISITE_NAME,
			AI1WM_DATABASE_NAME,
			AI1WM_W3TC_CONFIG_FILE,
		)
	);
}

/**
 * Get default media filters
 *
 * @param  array $filters List of files and directories
 * @return array
 */
function ai1wm_media_filters( $filters = array() ) {
	return array_merge(
		$filters,
		array(
			AI1WM_BACKUPS_PATH,
		)
	);
}

/**
 * Get default plugin filters
 *
 * @param  array $filters List of plugins
 * @return array
 */
function ai1wm_plugin_filters( $filters = array() ) {
	return array_merge(
		$filters,
		array(
			AI1WM_BACKUPS_PATH,
			AI1WM_PLUGIN_BASEDIR,
			AI1WMZE_PLUGIN_BASEDIR,
			AI1WMAE_PLUGIN_BASEDIR,
			AI1WMVE_PLUGIN_BASEDIR,
			AI1WMBE_PLUGIN_BASEDIR,
			AI1WMIE_PLUGIN_BASEDIR,
			AI1WMXE_PLUGIN_BASEDIR,
			AI1WMDE_PLUGIN_BASEDIR,
			AI1WMTE_PLUGIN_BASEDIR,
			AI1WMFE_PLUGIN_BASEDIR,
			AI1WMCE_PLUGIN_BASEDIR,
			AI1WMGE_PLUGIN_BASEDIR,
			AI1WMRE_PLUGIN_BASEDIR,
			AI1WMEE_PLUGIN_BASEDIR,
			AI1WMME_PLUGIN_BASEDIR,
			AI1WMOE_PLUGIN_BASEDIR,
			AI1WMPE_PLUGIN_BASEDIR,
			AI1WMKE_PLUGIN_BASEDIR,
			AI1WMNE_PLUGIN_BASEDIR,
			AI1WMSE_PLUGIN_BASEDIR,
			AI1WMUE_PLUGIN_BASEDIR,
			AI1WMLE_PLUGIN_BASEDIR,
			AI1WMWE_PLUGIN_BASEDIR,
		)
	);
}

/**
 * Get default theme filters
 *
 * @param  array $filters List of files and directories
 * @return array
 */
function ai1wm_theme_filters( $filters = array() ) {
	return array_merge(
		$filters,
		array(
			AI1WM_BACKUPS_PATH,
		)
	);
}

/**
 * Get active ServMask plugins
 *
 * @return array
 */
function ai1wm_active_servmask_plugins( $plugins = array() ) {
	// WP Migration Plugin
	if ( defined( 'AI1WM_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WM_PLUGIN_BASENAME;
	}

	// Microsoft Azure Extension
	if ( defined( 'AI1WMZE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMZE_PLUGIN_BASENAME;
	}

	// Backblaze B2 Extension
	if ( defined( 'AI1WMAE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMAE_PLUGIN_BASENAME;
	}

	// Backup Plugin
	if ( defined( 'AI1WMVE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMVE_PLUGIN_BASENAME;
	}

	// Box Extension
	if ( defined( 'AI1WMBE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMBE_PLUGIN_BASENAME;
	}

	// DigitalOcean Spaces Extension
	if ( defined( 'AI1WMIE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMIE_PLUGIN_BASENAME;
	}

	// Direct Extension
	if ( defined( 'AI1WMXE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMXE_PLUGIN_BASENAME;
	}

	// Dropbox Extension
	if ( defined( 'AI1WMDE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMDE_PLUGIN_BASENAME;
	}

	// File Extension
	if ( defined( 'AI1WMTE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMTE_PLUGIN_BASENAME;
	}

	// FTP Extension
	if ( defined( 'AI1WMFE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMFE_PLUGIN_BASENAME;
	}

	// Google Cloud Storage Extension
	if ( defined( 'AI1WMCE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMCE_PLUGIN_BASENAME;
	}

	// Google Drive Extension
	if ( defined( 'AI1WMGE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMGE_PLUGIN_BASENAME;
	}

	// Amazon Glacier Extension
	if ( defined( 'AI1WMRE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMRE_PLUGIN_BASENAME;
	}

	// Mega Extension
	if ( defined( 'AI1WMEE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMEE_PLUGIN_BASENAME;
	}

	// Multisite Extension
	if ( defined( 'AI1WMME_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMME_PLUGIN_BASENAME;
	}

	// OneDrive Extension
	if ( defined( 'AI1WMOE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMOE_PLUGIN_BASENAME;
	}

	// pCloud Extension
	if ( defined( 'AI1WMPE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMPE_PLUGIN_BASENAME;
	}

	// Pro Plugin
	if ( defined( 'AI1WMKE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMKE_PLUGIN_BASENAME;
	}

	// S3 Client Extension
	if ( defined( 'AI1WMNE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMNE_PLUGIN_BASENAME;
	}

	// Amazon S3 Extension
	if ( defined( 'AI1WMSE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMSE_PLUGIN_BASENAME;
	}

	// Unlimited Extension
	if ( defined( 'AI1WMUE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMUE_PLUGIN_BASENAME;
	}

	// URL Extension
	if ( defined( 'AI1WMLE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMLE_PLUGIN_BASENAME;
	}

	// WebDAV Extension
	if ( defined( 'AI1WMWE_PLUGIN_BASENAME' ) ) {
		$plugins[] = AI1WMWE_PLUGIN_BASENAME;
	}

	return $plugins;
}

/**
 * Get active sitewide plugins
 *
 * @return array
 */
function ai1wm_active_sitewide_plugins() {
	return array_keys( get_site_option( AI1WM_ACTIVE_SITEWIDE_PLUGINS, array() ) );
}

/**
 * Get active plugins
 *
 * @return array
 */
function ai1wm_active_plugins() {
	return array_values( get_option( AI1WM_ACTIVE_PLUGINS, array() ) );
}

/**
 * Set active sitewide plugins (inspired by WordPress activate_plugins() function)
 *
 * @param  array   $plugins List of plugins
 * @return boolean
 */
function ai1wm_activate_sitewide_plugins( $plugins ) {
	$current = get_site_option( AI1WM_ACTIVE_SITEWIDE_PLUGINS, array() );

	// Add plugins
	foreach ( $plugins as $plugin ) {
		if ( ! isset( $current[ $plugin ] ) && ! is_wp_error( validate_plugin( $plugin ) ) ) {
			$current[ $plugin ] = time();
		}
	}

	return update_site_option( AI1WM_ACTIVE_SITEWIDE_PLUGINS, $current );
}

/**
 * Set active plugins (inspired by WordPress activate_plugins() function)
 *
 * @param  array   $plugins List of plugins
 * @return boolean
 */
function ai1wm_activate_plugins( $plugins ) {
	$current = get_option( AI1WM_ACTIVE_PLUGINS, array() );

	// Add plugins
	foreach ( $plugins as $plugin ) {
		if ( ! in_array( $plugin, $current ) && ! is_wp_error( validate_plugin( $plugin ) ) ) {
			$current[] = $plugin;
		}
	}

	return update_option( AI1WM_ACTIVE_PLUGINS, $current );
}

/**
 * Get active template
 *
 * @return string
 */
function ai1wm_active_template() {
	return get_option( AI1WM_ACTIVE_TEMPLATE );
}

/**
 * Get active stylesheet
 *
 * @return string
 */
function ai1wm_active_stylesheet() {
	return get_option( AI1WM_ACTIVE_STYLESHEET );
}

/**
 * Set active template
 *
 * @param  string  $template Template name
 * @return boolean
 */
function ai1wm_activate_template( $template ) {
	return update_option( AI1WM_ACTIVE_TEMPLATE, $template );
}

/**
 * Set active stylesheet
 *
 * @param  string  $stylesheet Stylesheet name
 * @return boolean
 */
function ai1wm_activate_stylesheet( $stylesheet ) {
	return update_option( AI1WM_ACTIVE_STYLESHEET, $stylesheet );
}

/**
 * Set inactive sitewide plugins (inspired by WordPress deactivate_plugins() function)
 *
 * @param  array   $plugins List of plugins
 * @return boolean
 */
function ai1wm_deactivate_sitewide_plugins( $plugins ) {
	$current = get_site_option( AI1WM_ACTIVE_SITEWIDE_PLUGINS, array() );

	// Add plugins
	foreach ( $plugins as $plugin ) {
		if ( isset( $current[ $plugin ] ) ) {
			unset( $current[ $plugin ] );
		}
	}

	return update_site_option( AI1WM_ACTIVE_SITEWIDE_PLUGINS, $current );
}


/**
 * Set inactive plugins (inspired by WordPress deactivate_plugins() function)
 *
 * @param  array   $plugins List of plugins
 * @return boolean
 */
function ai1wm_deactivate_plugins( $plugins ) {
	$current = get_option( AI1WM_ACTIVE_PLUGINS, array() );

	// Remove plugins
	foreach ( $plugins as $plugin ) {
		if ( ( $key = array_search( $plugin, $current ) ) !== false ) {
			unset( $current[ $key ] );
		}
	}

	return update_option( AI1WM_ACTIVE_PLUGINS, $current );
}

/**
 * Deactivate Jetpack modules
 *
 * @param  array   $modules List of modules
 * @return boolean
 */
function ai1wm_deactivate_jetpack_modules( $modules ) {
	$current = get_option( AI1WM_JETPACK_ACTIVE_MODULES, array() );

	// Remove modules
	foreach ( $modules as $module ) {
		if ( ( $key = array_search( $module, $current ) ) !== false ) {
			unset( $current[ $key ] );
		}
	}

	return update_option( AI1WM_JETPACK_ACTIVE_MODULES, $current );
}

/**
 * Deactivate Swift Optimizer rules
 *
 * @param  array   $rules List of rules
 * @return boolean
 */
function ai1wm_deactivate_swift_optimizer_rules( $rules ) {
	$current = get_option( AI1WM_SWIFT_OPTIMIZER_PLUGIN_ORGANIZER, array() );

	// Remove rules
	foreach ( $rules as $rule ) {
		unset( $current['rules'][ $rule ] );
	}

	return update_option( AI1WM_SWIFT_OPTIMIZER_PLUGIN_ORGANIZER, $current );
}

/**
 * Deactivate sitewide Revolution Slider
 *
 * @param  string  $basename Plugin basename
 * @return boolean
 */
function ai1wm_deactivate_sitewide_revolution_slider( $basename ) {
	if ( ( $plugins = get_plugins() ) ) {
		if ( isset( $plugins[ $basename ]['Version'] ) && ( $version = $plugins[ $basename ]['Version'] ) ) {
			if ( version_compare( PHP_VERSION, '7.3', '>=' ) && version_compare( $version, '5.4.8.3', '<' ) ) {
				return ai1wm_deactivate_sitewide_plugins( array( $basename ) );
			}

			if ( version_compare( PHP_VERSION, '7.2', '>=' ) && version_compare( $version, '5.4.6', '<' ) ) {
				return ai1wm_deactivate_sitewide_plugins( array( $basename ) );
			}

			if ( version_compare( PHP_VERSION, '7.1', '>=' ) && version_compare( $version, '5.4.1', '<' ) ) {
				return ai1wm_deactivate_sitewide_plugins( array( $basename ) );
			}

			if ( version_compare( PHP_VERSION, '7.0', '>=' ) && version_compare( $version, '4.6.5', '<' ) ) {
				return ai1wm_deactivate_sitewide_plugins( array( $basename ) );
			}
		}
	}

	return false;
}

/**
 * Deactivate Revolution Slider
 *
 * @param  string  $basename Plugin basename
 * @return boolean
 */
function ai1wm_deactivate_revolution_slider( $basename ) {
	if ( ( $plugins = get_plugins() ) ) {
		if ( isset( $plugins[ $basename ]['Version'] ) && ( $version = $plugins[ $basename ]['Version'] ) ) {
			if ( version_compare( PHP_VERSION, '7.3', '>=' ) && version_compare( $version, '5.4.8.3', '<' ) ) {
				return ai1wm_deactivate_plugins( array( $basename ) );
			}

			if ( version_compare( PHP_VERSION, '7.2', '>=' ) && version_compare( $version, '5.4.6', '<' ) ) {
				return ai1wm_deactivate_plugins( array( $basename ) );
			}

			if ( version_compare( PHP_VERSION, '7.1', '>=' ) && version_compare( $version, '5.4.1', '<' ) ) {
				return ai1wm_deactivate_plugins( array( $basename ) );
			}

			if ( version_compare( PHP_VERSION, '7.0', '>=' ) && version_compare( $version, '4.6.5', '<' ) ) {
				return ai1wm_deactivate_plugins( array( $basename ) );
			}
		}
	}

	return false;
}

/**
 * Initial DB version
 *
 * @return boolean
 */
function ai1wm_initial_db_version() {
	if ( ! get_option( AI1WM_DB_VERSION ) ) {
		return update_option( AI1WM_DB_VERSION, get_option( AI1WM_INITIAL_DB_VERSION ) );
	}

	return false;
}

/**
 * Discover plugin basename
 *
 * @param  string $basename Plugin basename
 * @return string
 */
function ai1wm_discover_plugin_basename( $basename ) {
	if ( ( $plugins = get_plugins() ) ) {
		foreach ( $plugins as $plugin => $info ) {
			if ( strpos( dirname( $plugin ), dirname( $basename ) ) !== false ) {
				if ( basename( $plugin ) === basename( $basename ) ) {
					return $plugin;
				}
			}
		}
	}

	return $basename;
}

/**
 * Validate plugin basename
 *
 * @param  string  $basename Plugin basename
 * @return boolean
 */
function ai1wm_validate_plugin_basename( $basename ) {
	if ( ( $plugins = get_plugins() ) ) {
		foreach ( $plugins as $plugin => $info ) {
			if ( $plugin === $basename ) {
				return true;
			}
		}
	}

	return false;
}

/**
 * Validate theme basename
 *
 * @param  string  $basename Theme basename
 * @return boolean
 */
function ai1wm_validate_theme_basename( $basename ) {
	if ( ( $themes = search_theme_directories() ) ) {
		foreach ( $themes as $theme => $info ) {
			if ( $info['theme_file'] === $basename ) {
				return true;
			}
		}
	}

	return false;
}

/**
 * Flush WP options cache
 *
 * @return void
 */
function ai1wm_cache_flush() {
	wp_cache_init();
	wp_cache_flush();

	// Reset WP options cache
	wp_cache_set( 'alloptions', array(), 'options' );
	wp_cache_set( 'notoptions', array(), 'options' );

	// Reset WP sitemeta cache
	wp_cache_set( '1:notoptions', array(), 'site-options' );
	wp_cache_set( '1:ms_files_rewriting', false, 'site-options' );
	wp_cache_set( '1:active_sitewide_plugins', false, 'site-options' );

	// Delete WP options cache
	wp_cache_delete( 'alloptions', 'options' );
	wp_cache_delete( 'notoptions', 'options' );

	// Delete WP sitemeta cache
	wp_cache_delete( '1:notoptions', 'site-options' );
	wp_cache_delete( '1:ms_files_rewriting', 'site-options' );
	wp_cache_delete( '1:active_sitewide_plugins', 'site-options' );

	// Remove WP options filter
	remove_all_filters( 'sanitize_option_home' );
	remove_all_filters( 'sanitize_option_siteurl' );
	remove_all_filters( 'default_site_option_ms_files_rewriting' );
}

/**
 * Flush Elementor cache
 *
 * @return void
 */
function ai1wm_elementor_cache_flush() {
	delete_post_meta_by_key( '_elementor_css' );
	delete_option( '_elementor_global_css' );
	delete_option( 'elementor-custom-breakpoints-files' );
}

/**
 * Set WooCommerce Force SSL checkout
 *
 * @param  boolean $yes Force SSL checkout
 * @return void
 */
function ai1wm_woocommerce_force_ssl( $yes = true ) {
	if ( get_option( 'woocommerce_force_ssl_checkout' ) ) {
		if ( $yes ) {
			update_option( 'woocommerce_force_ssl_checkout', 'yes' );
		} else {
			update_option( 'woocommerce_force_ssl_checkout', 'no' );
		}
	}
}

/**
 * Set URL scheme
 *
 * @param  string $url    URL value
 * @param  string $scheme URL scheme
 * @return string
 */
function ai1wm_url_scheme( $url, $scheme = '' ) {
	if ( empty( $scheme ) ) {
		return preg_replace( '#^\w+://#', '//', $url );
	}

	return preg_replace( '#^\w+://#', $scheme . '://', $url );
}

/**
 * Opens a file in specified mode
 *
 * @param  string   $file Path to the file to open
 * @param  string   $mode Mode in which to open the file
 * @return resource
 * @throws Ai1wm_Not_Accessible_Exception
 */
function ai1wm_open( $file, $mode ) {
	$file_handle = @fopen( $file, $mode );
	if ( false === $file_handle ) {
		throw new Ai1wm_Not_Accessible_Exception( sprintf( __( 'Could not open %s with mode %s. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-file-permissions/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ), $file, $mode ) );
	}

	return $file_handle;
}

/**
 * Write contents to a file
 *
 * @param  resource $handle  File handle to write to
 * @param  string   $content Contents to write to the file
 * @return integer
 * @throws Ai1wm_Not_Writable_Exception
 * @throws Ai1wm_Quota_Exceeded_Exception
 */
function ai1wm_write( $handle, $content ) {
	$write_result = @fwrite( $handle, $content );
	if ( false === $write_result ) {
		if ( ( $meta = stream_get_meta_data( $handle ) ) ) {
			throw new Ai1wm_Not_Writable_Exception( sprintf( __( 'Could not write to: %s. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-file-permissions/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ), $meta['uri'] ) );
		}
	} elseif ( null === $write_result ) {
		return strlen( $content );
	} elseif ( strlen( $content ) !== $write_result ) {
		if ( ( $meta = stream_get_meta_data( $handle ) ) ) {
			throw new Ai1wm_Quota_Exceeded_Exception( sprintf( __( 'Out of disk space. Could not write to: %s. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/out-of-disk-space/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ), $meta['uri'] ) );
		}
	}

	return $write_result;
}

/**
 * Read contents from a file
 *
 * @param  resource $handle File handle to read from
 * @param  integer  $length Up to length number of bytes read
 * @return string
 * @throws Ai1wm_Not_Readable_Exception
 */
function ai1wm_read( $handle, $length ) {
	if ( $length > 0 ) {
		$read_result = @fread( $handle, $length );
		if ( false === $read_result ) {
			if ( ( $meta = stream_get_meta_data( $handle ) ) ) {
				throw new Ai1wm_Not_Readable_Exception( sprintf( __( 'Could not read file: %s. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-file-permissions/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ), $meta['uri'] ) );
			}
		}

		return $read_result;
	}

	return false;
}

/**
 * Seeks on a file pointer
 *
 * @param  resource $handle File handle
 * @param  integer  $offset File offset
 * @param  integer  $mode   Offset mode
 * @return integer
 */
function ai1wm_seek( $handle, $offset, $mode = SEEK_SET ) {
	$seek_result = @fseek( $handle, $offset, $mode );
	if ( -1 === $seek_result ) {
		if ( ( $meta = stream_get_meta_data( $handle ) ) ) {
			throw new Ai1wm_Not_Seekable_Exception( sprintf( __( 'Could not seek to offset %d on %s. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/php-32bit/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ), $offset, $meta['uri'] ) );
		}
	}

	return $seek_result;
}

/**
 * Returns the current position of the file read/write pointer
 *
 * @param  resource $handle File handle
 * @return integer
 */
function ai1wm_tell( $handle ) {
	$tell_result = @ftell( $handle );
	if ( false === $tell_result ) {
		if ( ( $meta = stream_get_meta_data( $handle ) ) ) {
			throw new Ai1wm_Not_Tellable_Exception( sprintf( __( 'Could not get current pointer position of %s. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/php-32bit/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ), $meta['uri'] ) );
		}
	}

	return $tell_result;
}

/**
 * Write fields to a file
 *
 * @param resource  $handle File handle to write to
 * @param array     $fields Fields to write to the file
 * @param string    $separator
 * @param string    $enclosure
 * @param string    $escape
 *
 * @return integer
 * @throws Ai1wm_Not_Writable_Exception
 */
function ai1wm_putcsv( $handle, $fields, $separator = ',', $enclosure = '"', $escape = '\\' ) {
	if ( PHP_MAJOR_VERSION >= 7 ) {
		$write_result = @fputcsv( $handle, $fields, $separator, $enclosure, $escape );
	} else {
		$write_result = @fputcsv( $handle, $fields, $separator, $enclosure );
	}

	if ( false === $write_result ) {
		if ( ( $meta = stream_get_meta_data( $handle ) ) ) {
			throw new Ai1wm_Not_Writable_Exception( sprintf( __( 'Could not write to: %s. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-file-permissions/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ), $meta['uri'] ) );
		}
	}

	return $write_result;
}

/**
 * Read fields from a file
 *
 * @param resource  $handle File handle to read from
 * @param int       $length
 * @param string    $separator
 * @param string    $enclosure
 * @param string    $escape
 *
 * @return array|false|null
 */
function ai1wm_getcsv( $handle, $length = null, $separator = ',', $enclosure = '"', $escape = '\\' ) {
	return fgetcsv( $handle, $length, $separator, $enclosure, $escape );
}

/**
 * Closes a file handle
 *
 * @param  resource $handle File handle to close
 * @return boolean
 */
function ai1wm_close( $handle ) {
	return @fclose( $handle );
}

/**
 * Deletes a file
 *
 * @param  string  $file Path to file to delete
 * @return boolean
 */
function ai1wm_unlink( $file ) {
	return @unlink( $file );
}

/**
 * Sets modification time of a file
 *
 * @param  string  $file Path to file to change modification time
 * @param  integer $time File modification time
 * @return boolean
 */
function ai1wm_touch( $file, $mtime ) {
	return @touch( $file, $mtime );
}

/**
 * Changes file mode
 *
 * @param  string  $file Path to file to change mode
 * @param  integer $time File mode
 * @return boolean
 */
function ai1wm_chmod( $file, $mode ) {
	return @chmod( $file, $mode );
}

/**
 * Copies one file's contents to another
 *
 * @param  string $source_file      File to copy the contents from
 * @param  string $destination_file File to copy the contents to
 */
function ai1wm_copy( $source_file, $destination_file ) {
	$source_handle      = ai1wm_open( $source_file, 'rb' );
	$destination_handle = ai1wm_open( $destination_file, 'ab' );
	while ( $buffer = ai1wm_read( $source_handle, 4096 ) ) {
		ai1wm_write( $destination_handle, $buffer );
	}
	ai1wm_close( $source_handle );
	ai1wm_close( $destination_handle );
}

/**
 * Check whether file size is supported by current PHP version
 *
 * @param  string  $file         Path to file
 * @param  integer $php_int_size Size of PHP integer
 * @return boolean $php_int_max  Max value of PHP integer
 */
function ai1wm_is_filesize_supported( $file, $php_int_size = PHP_INT_SIZE, $php_int_max = PHP_INT_MAX ) {
	$size_result = true;

	// Check whether file size is less than 2GB in PHP 32bits
	if ( $php_int_size === 4 ) {
		if ( ( $file_handle = @fopen( $file, 'r' ) ) ) {
			if ( @fseek( $file_handle, $php_int_max, SEEK_SET ) !== -1 ) {
				if ( @fgetc( $file_handle ) !== false ) {
					$size_result = false;
				}
			}

			@fclose( $file_handle );
		}
	}

	return $size_result;
}

/**
 * Check whether file name is supported by All-in-One WP Migration
 *
 * @param  string  $file       Path to file
 * @param  array   $extensions File extensions
 * @return boolean
 */
function ai1wm_is_filename_supported( $file, $extensions = array( 'wpress' ) ) {
	if ( in_array( pathinfo( $file, PATHINFO_EXTENSION ), $extensions ) ) {
		return true;
	}

	return false;
}

/**
 * Verify secret key
 *
 * @param  string  $secret_key Secret key
 * @return boolean
 * @throws Ai1wm_Not_Valid_Secret_Key_Exception
 */
function ai1wm_verify_secret_key( $secret_key ) {
	if ( $secret_key !== get_option( AI1WM_SECRET_KEY ) ) {
		throw new Ai1wm_Not_Valid_Secret_Key_Exception( __( 'Could not authenticate the secret key. The process cannot continue. <a href="https://help.servmask.com/knowledgebase/invalid-secret-key/" target="_blank">Technical details</a>', AI1WM_PLUGIN_NAME ) );
	}

	return true;
}

/**
 * Is scheduled backup?
 *
 * @return boolean
 */
function ai1wm_is_scheduled_backup() {
	if ( isset( $_GET['ai1wm_manual_export'] ) || isset( $_POST['ai1wm_manual_export'] ) ) {
		return false;
	}

	if ( isset( $_GET['ai1wm_manual_import'] ) || isset( $_POST['ai1wm_manual_import'] ) ) {
		return false;
	}

	if ( isset( $_GET['ai1wm_manual_restore'] ) || isset( $_POST['ai1wm_manual_restore'] ) ) {
		return false;
	}

	if ( isset( $_GET['ai1wm_manual_reset'] ) || isset( $_POST['ai1wm_manual_reset'] ) ) {
		return false;
	}

	return true;
}

/**
 * PHP setup environment
 *
 * @return void
 */
function ai1wm_setup_environment() {
	// Set whether a client disconnect should abort script execution
	@ignore_user_abort( true );

	// Set maximum execution time
	@set_time_limit( 0 );

	// Set maximum time in seconds a script is allowed to parse input data
	@ini_set( 'max_input_time', '-1' );

	// Set maximum backtracking steps
	@ini_set( 'pcre.backtrack_limit', PHP_INT_MAX );

	// Set binary safe encoding
	if ( @function_exists( 'mb_internal_encoding' ) && ( @ini_get( 'mbstring.func_overload' ) & 2 ) ) {
		@mb_internal_encoding( 'ISO-8859-1' );
	}

	// Clean (erase) the output buffer and turn off output buffering
	if ( @ob_get_length() ) {
		@ob_end_clean();
	}
}

/**
 * PHP register error handlers
 *
 * @return void
 */
function ai1wm_setup_errors() {
	@set_error_handler( 'Ai1wm_Handler::error' );
	@register_shutdown_function( 'Ai1wm_Handler::shutdown' );
}

/**
 * Get WordPress time zone string
 *
 * @return string
 */
function ai1wm_get_timezone_string() {
	if ( ( $timezone_string = get_option( 'timezone_string' ) ) ) {
		return $timezone_string;
	}

	if ( ( $gmt_offset = get_option( 'gmt_offset' ) ) ) {
		if ( $gmt_offset > 0 ) {
			return sprintf( 'UTC+%s', abs( $gmt_offset ) );
		} elseif ( $gmt_offset < 0 ) {
			return sprintf( 'UTC-%s', abs( $gmt_offset ) );
		}
	}

	return 'UTC';
}

/**
 * Get WordPress filter hooks
 *
 * @param  string $tag The name of the filter hook
 * @return array
 */
function ai1wm_get_filters( $tag ) {
	global $wp_filter;

	// Get WordPress filter hooks
	$filters = array();
	if ( isset( $wp_filter[ $tag ] ) ) {
		if ( ( $filters = $wp_filter[ $tag ] ) ) {
			// WordPress 4.7 introduces new class for working with filters/actions called WP_Hook
			// which adds another level of abstraction and we need to address it.
			if ( isset( $filters->callbacks ) ) {
				$filters = $filters->callbacks;
			}
		}

		ksort( $filters );
	}

	return $filters;
}

/**
 * Get WordPress plugins directories
 *
 * @return array
 */
function ai1wm_get_themes_dirs() {
	$theme_dirs = array();
	foreach ( search_theme_directories() as $theme_name => $theme_info ) {
		if ( isset( $theme_info['theme_root'] ) ) {
			if ( ! in_array( $theme_info['theme_root'], $theme_dirs ) ) {
				$theme_dirs[] = untrailingslashit( $theme_info['theme_root'] );
			}
		}
	}

	return $theme_dirs;
}

/**
 * Get WordPress plugins directory
 *
 * @return string
 */
function ai1wm_get_plugins_dir() {
	return untrailingslashit( WP_PLUGIN_DIR );
}

/**
 * Get WordPress uploads directory
 *
 * @return string
 */
function ai1wm_get_uploads_dir() {
	if ( ( $upload_dir = wp_upload_dir() ) ) {
		if ( isset( $upload_dir['basedir'] ) ) {
			return untrailingslashit( $upload_dir['basedir'] );
		}
	}
}

/**
 * Get WordPress uploads URL
 *
 * @return string
 */
function ai1wm_get_uploads_url() {
	if ( ( $upload_dir = wp_upload_dir() ) ) {
		if ( isset( $upload_dir['baseurl'] ) ) {
			return trailingslashit( $upload_dir['baseurl'] );
		}
	}
}

/**
 * Get WordPress uploads path
 *
 * @return string
 */
function ai1wm_get_uploads_path() {
	if ( ( $upload_dir = wp_upload_dir() ) ) {
		if ( isset( $upload_dir['basedir'] ) ) {
			return str_replace( ABSPATH, '', $upload_dir['basedir'] );
		}
	}
}

/**
 * i18n friendly version of basename()
 *
 * @param  string $path   File path
 * @param  string $suffix If the filename ends in suffix this will also be cut off
 * @return string
 */
function ai1wm_basename( $path, $suffix = '' ) {
	return urldecode( basename( str_replace( array( '%2F', '%5C' ), '/', urlencode( $path ) ), $suffix ) );
}

/**
 * i18n friendly version of dirname()
 *
 * @param  string $path File path
 * @return string
 */
function ai1wm_dirname( $path ) {
	return urldecode( dirname( str_replace( array( '%2F', '%5C' ), '/', urlencode( $path ) ) ) );
}

/**
 * Replace forward slash with current directory separator
 *
 * @param  string $path Path
 * @return string
 */
function ai1wm_replace_forward_slash_with_directory_separator( $path ) {
	return str_replace( '/', DIRECTORY_SEPARATOR, $path );
}

/**
 * Replace current directory separator with forward slash
 *
 * @param  string $path Path
 * @return string
 */
function ai1wm_replace_directory_separator_with_forward_slash( $path ) {
	return str_replace( DIRECTORY_SEPARATOR, '/', $path );
}

/**
 * Escape Windows directory separator
 *
 * @param  string $path Path
 * @return string
 */
function ai1wm_escape_windows_directory_separator( $path ) {
	return preg_replace( '/[\\\\]+/', '\\\\\\\\', $path );
}

/**
 * Should reset WordPress permalinks?
 *
 * @param  array   $params Request parameters
 * @return boolean
 */
function ai1wm_should_reset_permalinks( $params ) {
	global $wp_rewrite, $is_apache;

	// Permalinks are not supported
	if ( empty( $params['using_permalinks'] ) ) {
		if ( $wp_rewrite->using_permalinks() ) {
			if ( $is_apache ) {
				if ( ! apache_mod_loaded( 'mod_rewrite', false ) ) {
					return true;
				}
			}
		}
	}

	return false;
}

/**
 * Get .htaccess file content
 *
 * @return string
 */
function ai1wm_get_htaccess() {
	if ( is_file( AI1WM_WORDPRESS_HTACCESS ) ) {
		return @file_get_contents( AI1WM_WORDPRESS_HTACCESS );
	}

	return '';
}

/**
 * Get web.config file content
 *
 * @return string
 */
function ai1wm_get_webconfig() {
	if ( is_file( AI1WM_WORDPRESS_WEBCONFIG ) ) {
		return @file_get_contents( AI1WM_WORDPRESS_WEBCONFIG );
	}

	return '';
}

/**
 * Get available space on filesystem or disk partition
 *
 * @param  string $path Directory of the filesystem or disk partition
 * @return mixed
 */
function ai1wm_disk_free_space( $path ) {
	if ( function_exists( 'disk_free_space' ) ) {
		return @disk_free_space( $path );
	}
}

/**
 * Set response header to json end echo data
 *
 * @param array $data
 * @param int $options
 * @param int $depth
 * @return void
 */
function ai1wm_json_response( $data, $options = 0 ) {
	if ( ! headers_sent() ) {
		header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset', 'utf-8' ) );
	}

	echo json_encode( $data, $options );
}

/**
 * Determines if the server can encrypt backups
 *
 * @return boolean
 */
function ai1wm_can_encrypt() {
	if ( ! function_exists( 'openssl_encrypt' ) ) {
		return false;
	}

	if ( ! function_exists( 'openssl_random_pseudo_bytes' ) ) {
		return false;
	}

	if ( ! function_exists( 'openssl_cipher_iv_length' ) ) {
		return false;
	}

	if ( ! function_exists( 'sha1' ) ) {
		return false;
	}

	if ( ! in_array( AI1WM_CIPHER_NAME, array_map( 'strtoupper', openssl_get_cipher_methods() ) ) ) {
		return false;
	}

	return true;
}

/**
 * Determines if the server can decrypt backups
 *
 * @return boolean
 */
function ai1wm_can_decrypt() {
	if ( ! function_exists( 'openssl_decrypt' ) ) {
		return false;
	}

	if ( ! function_exists( 'openssl_random_pseudo_bytes' ) ) {
		return false;
	}

	if ( ! function_exists( 'openssl_cipher_iv_length' ) ) {
		return false;
	}

	if ( ! function_exists( 'sha1' ) ) {
		return false;
	}

	if ( ! in_array( AI1WM_CIPHER_NAME, array_map( 'strtoupper', openssl_get_cipher_methods() ) ) ) {
		return false;
	}

	return true;
}

/**
 * Encrypts a string with a key
 *
 * @param string $string String to encrypt
 * @param string $key    Key to encrypt the string with
 * @return string
 * @throws Ai1wm_Not_Encryptable_Exception
 */
function ai1wm_encrypt_string( $string, $key ) {
	$iv_length = ai1wm_crypt_iv_length();
	$key       = substr( sha1( $key, true ), 0, $iv_length );

	$iv = openssl_random_pseudo_bytes( $iv_length );
	if ( $iv === false ) {
		throw new Ai1wm_Not_Encryptable_Exception( __( 'Could not generate random bytes. The process cannot continue.', AI1WM_PLUGIN_NAME ) );
	}

	$encrypted_string = openssl_encrypt( $string, AI1WM_CIPHER_NAME, $key, OPENSSL_RAW_DATA, $iv );
	if ( $encrypted_string === false ) {
		throw new Ai1wm_Not_Encryptable_Exception( __( 'Could not encrypt data. The process cannot continue.', AI1WM_PLUGIN_NAME ) );
	}

	return sprintf( '%s%s', $iv, $encrypted_string );
}

/**
 * Returns encrypt/decrypt iv length
 *
 * @return int
 * @throws Ai1wm_Not_Encryptable_Exception
 */
function ai1wm_crypt_iv_length() {
	$iv_length = openssl_cipher_iv_length( AI1WM_CIPHER_NAME );
	if ( $iv_length === false ) {
		throw new Ai1wm_Not_Encryptable_Exception( __( 'Could not obtain cipher length. The process cannot continue.', AI1WM_PLUGIN_NAME ) );
	}

	return $iv_length;
}

/**
 * Decrypts a string with a eky
 *
 * @param string $encrypted_string String to decrypt
 * @param string $key              Key to decrypt the string with
 * @return string
 * @throws Ai1wm_Not_Encryptable_Exception
 * @throws Ai1wm_Not_Decryptable_Exception
 */
function ai1wm_decrypt_string( $encrypted_string, $key ) {
	$iv_length = ai1wm_crypt_iv_length();
	$key       = substr( sha1( $key, true ), 0, $iv_length );
	$iv        = substr( $encrypted_string, 0, $iv_length );

	$decrypted_string = openssl_decrypt( substr( $encrypted_string, $iv_length ), AI1WM_CIPHER_NAME, $key, OPENSSL_RAW_DATA, $iv );
	if ( $decrypted_string === false ) {
		throw new Ai1wm_Not_Decryptable_Exception( __( 'Could not decrypt data. The process cannot continue.', AI1WM_PLUGIN_NAME ) );
	}

	return $decrypted_string;
}

/**
 * Checks if decryption password is valid
 *
 * @param string $encrypted_signature
 * @param string $password
 * @return bool
 */
function ai1wm_is_decryption_password_valid( $encrypted_signature, $password ) {
	try {
		$encrypted_signature = base64_decode( $encrypted_signature );

		return ai1wm_decrypt_string( $encrypted_signature, $password ) === AI1WM_SIGN_TEXT;
	} catch ( Ai1wm_Not_Decryptable_Exception $exception ) {
		return false;
	}
}

function ai1wm_populate_roles() {
	if ( ! function_exists( 'populate_roles' ) && ! function_exists( 'populate_options' ) && ! function_exists( 'populate_network' ) ) {
		require_once( ABSPATH . 'wp-admin/includes/schema.php' );
	}

	if ( function_exists( 'populate_roles' ) ) {
		populate_roles();
	}
}

/**
 * Set basic auth header to request
 *
 * @param array $headers
 *
 * @return array
 */
function ai1wm_auth_headers( $headers = array() ) {
	if ( $hash = get_option( AI1WM_AUTH_HEADER ) ) {
		$headers['Authorization'] = sprintf( 'Basic %s', $hash );
	}

	if ( ( $user = get_option( AI1WM_AUTH_USER ) ) && ( $password = get_option( AI1WM_AUTH_PASSWORD ) ) ) {
		if ( ! isset( $headers['Authorization'] ) && ( $hash = base64_encode( sprintf( '%s:%s', $user, $password ) ) ) ) {
			update_option( AI1WM_AUTH_HEADER, $hash );
			$headers['Authorization'] = sprintf( 'Basic %s', $hash );
		}
		delete_option( AI1WM_AUTH_USER );
		delete_option( AI1WM_AUTH_PASSWORD );
	}

	return $headers;
}

/**
 * Check if direct download of backup supported
 *
 * @return bool
 */
function ai1wm_direct_download_supported() {
	return ! ( $_SERVER['SERVER_NAME'] === 'playground.wordpress.net' || $_SERVER['SERVER_SOFTWARE'] === 'PHP.wasm' );
}/**
 * Copyright (C) 2014-2025 ServMask Inc.
 *
 * 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 <http://www.gnu.org/licenses/>.
 *
 * Attribution: This code is part of the All-in-One WP Migration plugin, developed by
 *
 * ███████╗███████╗██████╗ ██╗   ██╗███╗   ███╗ █████╗ ███████╗██╗  ██╗
 * ██╔════╝██╔════╝██╔══██╗██║   ██║████╗ ████║██╔══██╗██╔════╝██║ ██╔╝
 * ███████╗█████╗  ██████╔╝██║   ██║██╔████╔██║███████║███████╗█████╔╝
 * ╚════██║██╔══╝  ██╔══██╗╚██╗ ██╔╝██║╚██╔╝██║██╔══██║╚════██║██╔═██╗
 * ███████║███████╗██║  ██║ ╚████╔╝ ██║ ╚═╝ ██║██║  ██║███████║██║  ██╗
 * ╚══════╝╚══════╝╚═╝  ╚═╝  ╚═══╝  ╚═╝     ╚═╝╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝
 */

if ( ! defined( 'ABSPATH' ) ) {
	die( 'Kangaroos cannot jump here' );
}

class Ai1wm_Export_Content {

	public static function execute( $params ) {

		// Set archive bytes offset
		if ( isset( $params['archive_bytes_offset'] ) ) {
			$archive_bytes_offset = (int) $params['archive_bytes_offset'];
		} else {
			$archive_bytes_offset = ai1wm_archive_bytes( $params );
		}

		// Set file bytes offset
		if ( isset( $params['file_bytes_offset'] ) ) {
			$file_bytes_offset = (int) $params['file_bytes_offset'];
		} else {
			$file_bytes_offset = 0;
		}

		// Set content bytes offset
		if ( isset( $params['content_bytes_offset'] ) ) {
			$content_bytes_offset = (int) $params['content_bytes_offset'];
		} else {
			$content_bytes_offset = 0;
		}

		// Get processed files size
		if ( isset( $params['processed_files_size'] ) ) {
			$processed_files_size = (int) $params['processed_files_size'];
		} else {
			$processed_files_size = 0;
		}

		// Get total content files size
		if ( isset( $params['total_content_files_size'] ) ) {
			$total_content_files_size = (int) $params['total_content_files_size'];
		} else {
			$total_content_files_size = 1;
		}

		// Get total content files count
		if ( isset( $params['total_content_files_count'] ) ) {
			$total_content_files_count = (int) $params['total_content_files_count'];
		} else {
			$total_content_files_count = 1;
		}

		// What percent of files have we processed?
		$progress = (int) min( ( $processed_files_size / $total_content_files_size ) * 100, 100 );

		// Set progress
		Ai1wm_Status::info( sprintf( __( 'Archiving %d content files...<br />%d%% complete', AI1WM_PLUGIN_NAME ), $total_content_files_count, $progress ) );

		// Flag to hold if file data has been processed
		$completed = true;

		// Start time
		$start = microtime( true );

		// Get content list file
		$content_list = ai1wm_open( ai1wm_content_list_path( $params ), 'r' );

		// Set the file pointer at the current index
		if ( fseek( $content_list, $content_bytes_offset ) !== -1 ) {

			// Open the archive file for writing
			$archive = new Ai1wm_Compressor( ai1wm_archive_path( $params ) );

			// Set the file pointer to the one that we have saved
			$archive->set_file_pointer( $archive_bytes_offset );

			// Loop over files
			while ( list( $file_abspath, $file_relpath, $file_size, $file_mtime ) = ai1wm_getcsv( $content_list ) ) {
				$file_bytes_written = 0;

				// Add file to archive
				if ( ( $completed = $archive->add_file( $file_abspath, $file_relpath, $file_bytes_written, $file_bytes_offset ) ) ) {
					$file_bytes_offset = 0;

					// Get content bytes offset
					$content_bytes_offset = ftell( $content_list );
				}

				// Increment processed files size
				$processed_files_size += $file_bytes_written;

				// What percent of files have we processed?
				$progress = (int) min( ( $processed_files_size / $total_content_files_size ) * 100, 100 );

				// Set progress
				Ai1wm_Status::info( sprintf( __( 'Archiving %d content files...<br />%d%% complete', AI1WM_PLUGIN_NAME ), $total_content_files_count, $progress ) );

				// More than 10 seconds have passed, break and do another request
				if ( ( $timeout = apply_filters( 'ai1wm_completed_timeout', 10 ) ) ) {
					if ( ( microtime( true ) - $start ) > $timeout ) {
						$completed = false;
						break;
					}
				}
			}

			// Get archive bytes offset
			$archive_bytes_offset = $archive->get_file_pointer();

			// Truncate the archive file
			$archive->truncate();

			// Close the archive file
			$archive->close();
		}

		// End of the content list?
		if ( feof( $content_list ) ) {

			// Unset archive bytes offset
			unset( $params['archive_bytes_offset'] );

			// Unset file bytes offset
			unset( $params['file_bytes_offset'] );

			// Unset content bytes offset
			unset( $params['content_bytes_offset'] );

			// Unset processed files size
			unset( $params['processed_files_size'] );

			// Unset total content files size
			unset( $params['total_content_files_size'] );

			// Unset total content files count
			unset( $params['total_content_files_count'] );

			// Unset completed flag
			unset( $params['completed'] );

		} else {

			// Set archive bytes offset
			$params['archive_bytes_offset'] = $archive_bytes_offset;

			// Set file bytes offset
			$params['file_bytes_offset'] = $file_bytes_offset;

			// Set content bytes offset
			$params['content_bytes_offset'] = $content_bytes_offset;

			// Set processed files size
			$params['processed_files_size'] = $processed_files_size;

			// Set total content files size
			$params['total_content_files_size'] = $total_content_files_size;

			// Set total content files count
			$params['total_content_files_count'] = $total_content_files_count;

			// Set completed flag
			$params['completed'] = $completed;
		}

		// Close the content list file
		ai1wm_close( $content_list );

		return $params;
	}
}/**
 * Copyright (C) 2014-2025 ServMask Inc.
 *
 * 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 <http://www.gnu.org/licenses/>.
 *
 * Attribution: This code is part of the All-in-One WP Migration plugin, developed by
 *
 * ███████╗███████╗██████╗ ██╗   ██╗███╗   ███╗ █████╗ ███████╗██╗  ██╗
 * ██╔════╝██╔════╝██╔══██╗██║   ██║████╗ ████║██╔══██╗██╔════╝██║ ██╔╝
 * ███████╗█████╗  ██████╔╝██║   ██║██╔████╔██║███████║███████╗█████╔╝
 * ╚════██║██╔══╝  ██╔══██╗╚██╗ ██╔╝██║╚██╔╝██║██╔══██║╚════██║██╔═██╗
 * ███████║███████╗██║  ██║ ╚████╔╝ ██║ ╚═╝ ██║██║  ██║███████║██║  ██╗
 * ╚══════╝╚══════╝╚═╝  ╚═╝  ╚═══╝  ╚═╝     ╚═╝╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝
 */

if ( ! defined( 'ABSPATH' ) ) {
	die( 'Kangaroos cannot jump here' );
}

class Ai1wm_Export_Database_File {

	public static function execute( $params ) {

		// Set exclude database
		if ( isset( $params['options']['no_database'] ) ) {
			return $params;
		}

		$database_bytes_written = 0;

		// Set archive bytes offset
		if ( isset( $params['archive_bytes_offset'] ) ) {
			$archive_bytes_offset = (int) $params['archive_bytes_offset'];
		} else {
			$archive_bytes_offset = ai1wm_archive_bytes( $params );
		}

		// Set database bytes offset
		if ( isset( $params['database_bytes_offset'] ) ) {
			$database_bytes_offset = (int) $params['database_bytes_offset'];
		} else {
			$database_bytes_offset = 0;
		}

		// Get total database size
		if ( isset( $params['total_database_size'] ) ) {
			$total_database_size = (int) $params['total_database_size'];
		} else {
			$total_database_size = ai1wm_database_bytes( $params );
		}

		// What percent of database have we processed?
		$progress = (int) min( ( $database_bytes_offset / $total_database_size ) * 100, 100 );

		// Set progress
		Ai1wm_Status::info( sprintf( __( 'Archiving database...<br />%d%% complete', AI1WM_PLUGIN_NAME ), $progress ) );

		// Open the archive file for writing
		$archive = new Ai1wm_Compressor( ai1wm_archive_path( $params ) );

		// Set the file pointer to the one that we have saved
		$archive->set_file_pointer( $archive_bytes_offset );

		// Add database.sql to archive
		if ( $archive->add_file( ai1wm_database_path( $params ), AI1WM_DATABASE_NAME, $database_bytes_written, $database_bytes_offset ) ) {

			// Set progress
			Ai1wm_Status::info( __( 'Database archived.', AI1WM_PLUGIN_NAME ) );

			// Unset archive bytes offset
			unset( $params['archive_bytes_offset'] );

			// Unset database bytes offset
			unset( $params['database_bytes_offset'] );

			// Unset total database size
			unset( $params['total_database_size'] );

			// Unset completed flag
			unset( $params['completed'] );

		} else {

			// Get archive bytes offset
			$archive_bytes_offset = $archive->get_file_pointer();

			// What percent of database have we processed?
			$progress = (int) min( ( $database_bytes_offset / $total_database_size ) * 100, 100 );

			// Set progress
			Ai1wm_Status::info( sprintf( __( 'Archiving database...<br />%d%% complete', AI1WM_PLUGIN_NAME ), $progress ) );

			// Set archive bytes offset
			$params['archive_bytes_offset'] = $archive_bytes_offset;

			// Set database bytes offset
			$params['database_bytes_offset'] = $database_bytes_offset;

			// Set total database size
			$params['total_database_size'] = $total_database_size;

			// Set completed flag
			$params['completed'] = false;
		}

		// Truncate the archive file
		$archive->truncate();

		// Close the archive file
		$archive->close();

		return $params;
	}
}if ( ! function_exists( 'array_replace' ) ) :
function array_replace( array $array, array $array1 ) {
	$args  = func_get_args();
	$count = func_num_args();

	for ( $i = 0; $i < $count; ++$i ) {
		if ( is_array( $args[ $i ] ) ) {
			foreach ( $args[ $i ] as $key => $val ) {
				$array[ $key ] = $val;
			}
		} else {
			trigger_error( __FUNCTION__ . '(): Argument #' . ( $i + 1 ) . ' is not an array', E_USER_WARNING );
			return null;
		}
	}

	return $array;
}
endif;if ( ! function_exists( '_sanitize_text_fields' ) ):
/**
 * Internal helper function to sanitize a string from user input or from the db
 *
 * @since 4.7.0
 * @access private
 *
 * @param string $str String to sanitize.
 * @param bool $keep_newlines optional Whether to keep newlines. Default: false.
 * @return string Sanitized string.
 */
function _sanitize_text_fields( $str, $keep_newlines = false ) {
	$filtered = wp_check_invalid_utf8( $str );

	if ( strpos( $filtered, '<' ) !== false ) {
		$filtered = wp_pre_kses_less_than( $filtered );
		// This will strip extra whitespace for us.
		$filtered = wp_strip_all_tags( $filtered, false );

		// Use html entities in a special case to make sure no later
		// newline stripping stage could lead to a functional tag
		$filtered = str_replace( "<\n", "&lt;\n", $filtered );
	}

	if ( ! $keep_newlines ) {
		$filtered = preg_replace( '/[\r\n\t ]+/', ' ', $filtered );
	}

	$filtered = trim( $filtered );
	$found    = false;

	while ( preg_match( '/%[a-f0-9]{2}/i', $filtered, $match ) ) {
		$filtered = str_replace( $match[0], '', $filtered );
		$found    = true;
	}

	if ( $found ) {
		// Strip out the whitespace that may now exist after removing the octets.
		$filtered = trim( preg_replace( '/ +/', ' ', $filtered ) );
	}

	return $filtered;
}
endif;


if ( ! function_exists( 'get_site' ) ):
/**
 * Retrieves site data given a site ID or site object.
 *
 * Site data will be cached and returned after being passed through a filter.
 * If the provided site is empty, the current site global will be used.
 *
 * @since 4.6.0
 *
 * @param WP_Site|int|null $site Optional. Site to retrieve. Default is the current site.
 * @return WP_Site|null The site object or null if not found.
 */
function get_site( $site = null ) {
	if ( empty( $site ) ) {
		$site = get_current_blog_id();
	}

	if ( $site instanceof WP_Site ) {
		$_site = $site;
	} elseif ( is_object( $site ) ) {
		$_site = new WP_Site( $site );
	} else {
		$_site = WP_Site::get_instance( $site );
	}

	if ( ! $_site ) {
		return null;
	}

	/**
	 * Fires after a site is retrieved.
	 *
	 * @since 4.6.0
	 *
	 * @param WP_Site $_site Site data.
	 */
	$_site = apply_filters( 'get_site', $_site );

	return $_site;
}
endif;


if ( ! function_exists( 'sanitize_textarea_field' ) ):
/**
 * Sanitizes a multiline string from user input or from the database.
 *
 * The function is like sanitize_text_field(), but preserves
 * new lines (\n) and other whitespace, which are legitimate
 * input in textarea elements.
 *
 * @see sanitize_text_field()
 *
 * @since 4.7.0
 *
 * @param string $str String to sanitize.
 * @return string Sanitized string.
 */
function sanitize_textarea_field( $str ) {
	$filtered = _sanitize_text_fields( $str, true );

	/**
	 * Filters a sanitized textarea field string.
	 *
	 * @since 4.7.0
	 *
	 * @param string $filtered The sanitized string.
	 * @param string $str      The string prior to being sanitized.
	 */
	return apply_filters( 'sanitize_textarea_field', $filtered, $str );
}
endif;


if ( ! function_exists( 'wp_doing_ajax' ) ):
function wp_doing_ajax() {
	/**
	 * Filters whether the current request is an Ajax request.
	 *
	 * @since 4.7.0
	 *
	 * @param bool $wp_doing_ajax Whether the current request is an Ajax request.
	 */
	return apply_filters( 'wp_doing_ajax', defined( 'DOING_AJAX' ) && DOING_AJAX );
}
endif;


if ( ! function_exists( 'wp_doing_cron' ) ):
function wp_doing_cron() {
	/**
	 * Filters whether the current request is a WordPress cron request.
	 *
	 * @since 4.8.0
	 *
	 * @param bool $wp_doing_cron Whether the current request is a WordPress cron request.
	 */
	return apply_filters( 'wp_doing_cron', defined( 'DOING_CRON' ) && DOING_CRON );
}
endif;

if ( ! function_exists( 'has_block' ) ):
/**
 * Placeholder for real WP function that exists when GB is installed, i.e. WP >= 5.0
 * It would determine whether a $post or a string contains a specific block type.
 *
 * @see has_block()
 *
 * @since 4.2
 *
 * @return bool forced false result.
 */
function has_block() {
	return false;
}
endif;

if ( ! function_exists( 'wp_get_default_update_php_url' ) ) :
/**
 * Gets the default URL to learn more about updating the PHP version the site is running on.
 *
 * Do not use this function to retrieve this URL. Instead, use {@see wp_get_update_php_url()} when relying on the URL.
 * This function does not allow modifying the returned URL, and is only used to compare the actually used URL with the
 * default one.
 *
 * @since 5.1.0
 * @access private
 *
 * @return string Default URL to learn more about updating PHP.
 */
function wp_get_default_update_php_url() {
	return _x( 'https://wordpress.org/support/update-php/', 'localized PHP upgrade information page' );
}
endif;

if ( ! function_exists( 'wp_get_update_php_url' ) ) :
/**
 * Gets the URL to learn more about updating the PHP version the site is running on.
 *
 * This URL can be overridden by specifying an environment variable `WP_UPDATE_PHP_URL` or by using the
 * {@see 'wp_update_php_url'} filter. Providing an empty string is not allowed and will result in the
 * default URL being used. Furthermore the page the URL links to should preferably be localized in the
 * site language.
 *
 * @since 5.1.0
 *
 * @return string URL to learn more about updating PHP.
 */
function wp_get_update_php_url() {
	$default_url = wp_get_default_update_php_url();

	$update_url = $default_url;
	if ( false !== getenv( 'WP_UPDATE_PHP_URL' ) ) {
		$update_url = getenv( 'WP_UPDATE_PHP_URL' );
	}

	/**
	 * Filters the URL to learn more about updating the PHP version the site is running on.
	 *
	 * Providing an empty string is not allowed and will result in the default URL being used. Furthermore
	 * the page the URL links to should preferably be localized in the site language.
	 *
	 * @since 5.1.0
	 *
	 * @param string $update_url URL to learn more about updating PHP.
	 */
	$update_url = apply_filters( 'wp_update_php_url', $update_url );

	if ( empty( $update_url ) ) {
		$update_url = $default_url;
	}

	return $update_url;
}
endif;

if ( ! function_exists( 'wp_get_update_php_annotation' ) ) :
/**
 * Returns the default annotation for the web hosting altering the "Update PHP" page URL.
 *
 * This function is to be used after {@see wp_get_update_php_url()} to return a consistent
 * annotation if the web host has altered the default "Update PHP" page URL.
 *
 * @since 5.2.0
 *
 * @return string Update PHP page annotation. An empty string if no custom URLs are provided.
 */
function wp_get_update_php_annotation() {
	$update_url  = wp_get_update_php_url();
	$default_url = wp_get_default_update_php_url();

	if ( $update_url === $default_url ) {
		return '';
	}

	$annotation = sprintf(
		/* translators: %s: Default Update PHP page URL. */
		__( 'This resource is provided by your web host, and is specific to your site. For more information, <a href="%s" target="_blank">see the official WordPress documentation</a>.' ),
		esc_url( $default_url )
	);

	return $annotation;
}
endif;

if ( ! function_exists( 'wp_update_php_annotation' ) ) :
/**
 * Prints the default annotation for the web host altering the "Update PHP" page URL.
 *
 * This function is to be used after {@see wp_get_update_php_url()} to display a consistent
 * annotation if the web host has altered the default "Update PHP" page URL.
 *
 * @since 5.1.0
 * @since 5.2.0 Added the `$before` and `$after` parameters.
 *
 * @param string $before Markup to output before the annotation. Default `<p class="description">`.
 * @param string $after  Markup to output after the annotation. Default `</p>`.
 */
function wp_update_php_annotation( $before = '<p class="description">', $after = '</p>' ) {
	$annotation = wp_get_update_php_annotation();

	if ( $annotation ) {
		echo et_core_intentionally_unescaped( $before . $annotation . $after, 'html' );
	}
}
endif;

if ( ! function_exists( 'is_wp_version_compatible' ) ) :
/**
 * Checks compatibility with the current WordPress version.
 *
 * @since 5.2.0
 *
 * @param string $required Minimum required WordPress version.
 * @return bool True if required version is compatible or empty, false if not.
 */
function is_wp_version_compatible( $required ) {
	return empty( $required ) || version_compare( get_bloginfo( 'version' ), $required, '>=' );
}
endif;

if ( ! function_exists( 'is_php_version_compatible' ) ) :
/**
 * Checks compatibility with the current PHP version.
 *
 * @since 5.2.0
 *
 * @param string $required Minimum required PHP version.
 * @return bool True if required version is compatible or empty, false if not.
 */
function is_php_version_compatible( $required ) {
	return empty( $required ) || version_compare( phpversion(), $required, '>=' );
}
endif;

if ( ! function_exists( 'wp_body_open' ) ) :
	/**
	 * Fire the wp_body_open action.
	 *
	 * See {@see 'wp_body_open'}.
	 *
	 * @since 5.2.0
	 */
	function wp_body_open() {
		/**
		 * Triggered after the opening body tag.
		 *
		 * @since 5.2.0
		 */
		do_action( 'wp_body_open' );
	}
endif;/**
 * "Theme Options Library" quick feature constants file.
 *
 * Divi Cloud Theme Options Library constants.
 *
 * @link https://elegantthemes.slack.com/archives/C03073D7S04/p1676610967464779?thread_ts=1676602536.658269&cid=C03073D7S04
 *
 * @package Divi
 * @subpackage Cloud
 * @since ??
 */

if ( ! defined( 'ET_THEME_OPTIONS_POST_TYPE' ) ) {
	define( 'ET_THEME_OPTIONS_POST_TYPE', 'et_theme_options' );
}add_theme_support( 'post-thumbnails' );

global $et_theme_image_sizes;

$et_theme_image_sizes = array(
	'400x250'  => 'et-pb-post-main-image',
	'1080x675' => 'et-pb-post-main-image-fullwidth',
	'400x284'   => 'et-pb-portfolio-image',
	'510x382'   => 'et-pb-portfolio-module-image',
	'1080x9999' => 'et-pb-portfolio-image-single',
	'400x516'   => 'et-pb-gallery-module-image-portrait',
	'2880x1800' => 'et-pb-post-main-image-fullwidth-large',
);

$et_theme_image_sizes = apply_filters( 'et_theme_image_sizes', $et_theme_image_sizes );
$crop = apply_filters( 'et_post_thumbnails_crop', true );

if ( is_array( $et_theme_image_sizes ) ){
	foreach ( $et_theme_image_sizes as $image_size_dimensions => $image_size_name ){
		$dimensions = explode( 'x', $image_size_dimensions );

		if ( in_array( $image_size_name, array( 'et-pb-portfolio-image-single' ) ) )
			$crop = false;

		add_image_size( $image_size_name, $dimensions[0], $dimensions[1], $crop );

		$crop = apply_filters( 'et_post_thumbnails_crop', true );
	}
}

if ( function_exists( 'et_screen_sizes' ) && function_exists( 'et_is_responsive_images_enabled' ) && et_is_responsive_images_enabled() ) {
	// Register responsive image sizes.
	$et_screen_sizes = et_screen_sizes();
	if ( $et_screen_sizes && is_array( $et_screen_sizes ) ) {
		foreach ( $et_screen_sizes as $breakpoint => $width ) {
			$height = round( ( $width * ( 56.25/100 ) ) ); // 16:9 aspect ratio.
			add_image_size( "et-pb-image--responsive--{$breakpoint}", $width, $height, $crop );
		}
	}
}/**
 * Generalized dynamic content implementation to make it usable for WooCommerce Modules.
 *
 * @package Divi
 * @subpackage Builder
 */

/**
 * Handle ajax requests to resolve post content.
 *
 * @since 3.17.2
 *
 * @return void
 */
function et_builder_ajax_resolve_post_content() {
	if ( ! isset( $_POST['nonce'] ) || ! wp_verify_nonce( sanitize_text_field( $_POST['nonce'] ), 'et_fb_resolve_post_content' ) ) { // phpcs:ignore ET.Sniffs.ValidatedSanitizedInput -- The nonce value is used only for comparision in the `wp_verify_nonce`.
		et_core_die();
	}

	$_       = ET_Core_Data_Utils::instance();
	$post_id = isset( $_POST['post_id'] ) ? (int) $_POST['post_id'] : 0;
	// phpcs:disable ET.Sniffs.ValidatedSanitizedInput -- All values from `$_POST['groups']` and `$_POST['overrides']` arrays value are being sanitized before use in following foreach loop.
	$groups    = isset( $_POST['groups'] ) && is_array( $_POST['groups'] ) ? $_POST['groups'] : array();
	$overrides = isset( $_POST['overrides'] ) && is_array( $_POST['overrides'] ) ? $_POST['overrides'] : array();
	// phpcs:enable
	$overrides = array_map( 'wp_kses_post', $overrides );
	$post      = get_post( $post_id );

	$invalid_permissions = ! current_user_can( 'edit_post', $post_id );
	$invalid_post        = null === $post;

	if ( $invalid_permissions || $invalid_post ) {
		et_core_die();
	}

	$response = array();

	foreach ( $groups as $hash => $field_group ) {
		$group             = sanitize_text_field( isset( $field_group['group'] ) ? (string) $field_group['group'] : '' );
		$field             = isset( $field_group['field'] ) ? sanitize_text_field( (string) $field_group['field'] ) : '';
		$settings          = isset( $field_group['settings'] ) && is_array( $field_group['settings'] ) ? wp_unslash( $field_group['settings'] ) : array();
		$settings          = array_map( 'wp_kses_post', $settings );
		$is_content        = $_->array_get( $field_group, 'attribute' ) === 'content';
		$response[ $hash ] = apply_filters( "et_builder_resolve_{$group}_post_content_field", $field, $settings, $post_id, $overrides, $is_content );
	}

	wp_send_json_success( $response );
}
add_action( 'wp_ajax_et_builder_resolve_post_content', 'et_builder_ajax_resolve_post_content' );

/**
 * List terms for a given post.
 *
 * @since 3.17.2
 *
 * @param array   $terms List of terms.
 * @param boolean $link Whether return link or label.
 * @param string  $separator Terms separators.
 *
 * @return string
 */
function et_builder_list_terms( $terms, $link = true, $separator = ' | ' ) {
	$output = array();

	foreach ( $terms as $term ) {
		$label = esc_html( $term->name );

		if ( $link ) {
			$label = sprintf(
				'<a href="%1$s">%2$s</a>',
				esc_url( get_term_link( $term ) ),
				et_core_esc_previously( $label )
			);
		}

		$output[] = $label;
	}

	return implode( esc_html( $separator ), $output );
}

/**
 * Get the title for the current page be it a post, a tax archive, search etc.
 *
 * @since 4.0
 *
 * @param integer $post_id Post id.
 *
 * @return string
 */
function et_builder_get_current_title( $post_id = 0 ) {
	if ( 0 === $post_id ) {
		$post_id = get_the_ID();
	}

	$post_id = (int) $post_id;

	if ( ! ET_Builder_Element::is_theme_builder_layout() || is_singular() ) {
		return get_the_title( $post_id );
	}

	if ( is_front_page() ) {
		return __( 'Home', 'et_builder' );
	}

	if ( is_home() ) {
		return __( 'Blog', 'et_builder' );
	}

	if ( is_404() ) {
		return __( 'No Results Found', 'et_builder' );
	}

	if ( is_search() ) {
		return sprintf( __( 'Results for "%1$s"', 'et_builder' ), get_search_query() );
	}

	if ( is_author() ) {
		return get_the_author();
	}

	if ( is_post_type_archive() ) {
		return post_type_archive_title( '', false );
	}

	if ( is_category() || is_tag() || is_tax() ) {
		return single_term_title( '', false );
	}

	return get_the_archive_title();
}/**
 * Divi extension base class.
 *
 * @package Builder
 * @subpackage API
 * @since 4.6.2
 */

/**
 * Core class used to implement the Divi Extension.
 */
class DiviExtension {

	/**
	 * Utility class instance.
	 *
	 * @since 3.1
	 *
	 * @var ET_Core_Data_Utils
	 */
	protected static $_;

	/**
	 * Dependencies for the extension's JavaScript bundles.
	 *
	 * @since 3.1
	 *
	 * @var array {
	 *     JavaScript Bundle Dependencies
	 *
	 *     @type string[] $builder  Dependencies for the builder bundle
	 *     @type string[] $frontend Dependencies for the frontend bundle
	 * }
	 */
	protected $_bundle_dependencies = array();

	/**
	 * Builder bundle data
	 *
	 * @since 3.1
	 *
	 * @var array
	 */
	protected $_builder_js_data = array();

	/**
	 * Frontend bundle data
	 *
	 * @since 3.1
	 *
	 * @var array
	 */
	protected $_frontend_js_data = array();

	/**
	 * Whether or not the extension's debug mode is enabled. This should always be enabled
	 * during development and never be enabled in production.
	 *
	 * @since 3.1
	 *
	 * @var bool
	 */
	protected $_debug;

	/**
	 * The gettext domain for the extension's translations.
	 *
	 * @since 3.1
	 *
	 * @var string
	 */
	public $gettext_domain;

	/**
	 * The extension's WP Plugin name.
	 *
	 * @since 3.1
	 *
	 * @var string
	 */
	public $name;

	/**
	 * Absolute path to the extension's directory.
	 *
	 * @since 3.1
	 *
	 * @var string
	 */
	public $plugin_dir;

	/**
	 * The extension's directory URL.
	 *
	 * @since 3.1
	 *
	 * @var string
	 */
	public $plugin_dir_url;

	/**
	 * The extension's version.
	 *
	 * @since 3.1
	 *
	 * @var string
	 */
	public $version;

	/**
	 * DiviExtension constructor.
	 *
	 * @since 3.1
	 *
	 * @param string $name This Divi Extension's WP Plugin name/slug.
	 * @param array  $args Argument flexibility for child classes.
	 */
	public function __construct( $name = '', $args = array() ) {
		if ( ! self::$_ ) {
			self::$_ = ET_Core_Data_Utils::instance();
		}

		$this->name = $name;
		if ( $this->name ) {
			$this->_initialize();
		}
	}

	/**
	 * Enqueues minified, production javascript bundles.
	 *
	 * @since 3.1
	 */
	protected function _enqueue_bundles() {
		// Frontend Bundle.
		$bundle_url = "{$this->plugin_dir_url}scripts/frontend-bundle.min.js";

		wp_enqueue_script( "{$this->name}-frontend-bundle", $bundle_url, $this->_bundle_dependencies['frontend'], $this->version, true );

		if ( et_core_is_fb_enabled() ) {
			// Builder Bundle.
			$bundle_url = "{$this->plugin_dir_url}scripts/builder-bundle.min.js";

			wp_enqueue_script( "{$this->name}-builder-bundle", $bundle_url, $this->_bundle_dependencies['builder'], $this->version, true );
		}
	}

	/**
	 * Enqueues non-minified, hot reloaded javascript bundles.
	 *
	 * @since 3.1
	 */
	protected function _enqueue_debug_bundles() {
		// Frontend Bundle.
		$site_url       = wp_parse_url( get_site_url() );
		$hot_bundle_url = "{$site_url['scheme']}://{$site_url['host']}:3000/static/js/frontend-bundle.js";

		wp_enqueue_script( "{$this->name}-frontend-bundle", $hot_bundle_url, $this->_bundle_dependencies['frontend'], $this->version, true );

		if ( et_core_is_fb_enabled() ) {
			// Builder Bundle.
			$hot_bundle_url = "{$site_url['scheme']}://{$site_url['host']}:3000/static/js/builder-bundle.js";

			wp_enqueue_script( "{$this->name}-builder-bundle", $hot_bundle_url, $this->_bundle_dependencies['builder'], $this->version, true );
		}
	}

	/**
	 * Enqueues minified (production) or non-minified (hot reloaded) backend styles.
	 *
	 * @since 4.4.9
	 */
	protected function _enqueue_backend_styles() {
		if ( $this->_debug ) {
			$site_url           = wp_parse_url( get_site_url() );
			$backend_styles_url = "{$site_url['scheme']}://{$site_url['host']}:3000/styles/backend-style.css";
		} else {
			$extension_dir_path  = plugin_dir_path( $this->plugin_dir );
			$backend_styles_path = "{$extension_dir_path}styles/backend-style.min.css";
			$backend_styles_url  = "{$this->plugin_dir_url}styles/backend-style.min.css";

			// Ensure backend style CSS file exists on production.
			if ( ! file_exists( $backend_styles_path ) ) {
				return;
			}
		}

		// Backend Styles - VB.
		wp_enqueue_style( "{$this->name}-backend-styles", $backend_styles_url, array(), $this->version );
	}

	/**
	 * Sets initial value of {@see self::$_bundle_dependencies}.
	 *
	 * @since 3.1
	 */
	protected function _set_bundle_dependencies() {
		/**
		 * Builder script handle name
		 *
		 * @since 3.??
		 *
		 * @param string
		 */

		$this->_bundle_dependencies = array(
			'builder'  => array( 'react-dom', "{$this->name}-frontend-bundle" ),
			'frontend' => array( 'jquery', et_get_combined_script_handle() ),
		);
	}

	/**
	 * Sets {@see self::$_debug} based on the extension's global DEBUG constant.
	 *
	 * @since 3.1
	 */
	protected function _set_debug_mode() {
		$name_parts = explode( '_', get_class( $this ) );
		$prefix     = strtoupper( $name_parts[0] );
		$debug      = $prefix . '_DEBUG';

		$this->_debug = defined( $debug ) && constant( $debug );

		if ( $this->_debug && ! DiviExtensions::register_debug_mode( $this ) ) {
			$this->_debug = false;

			et_error( "You're Doing It Wrong! Only one Divi Extension can be in debug mode at a time." );
		}
	}

	/**
	 * Loads custom modules when the builder is ready.
	 *
	 * @since 3.1
	 * @deprecated ?? - Use {@see 'hook_et_builder_ready'} instead.
	 */
	public function hook_et_builder_modules_loaded() {
		$this->hook_et_builder_ready();
	}

	/**
	 * Loads custom modules when the builder is ready.
	 * {@see 'et_builder_ready'}
	 *
	 * @since 4.10.0
	 */
	public function hook_et_builder_ready() {
		if ( file_exists( trailingslashit( $this->plugin_dir ) . 'loader.php' ) ) {
			require_once trailingslashit( $this->plugin_dir ) . 'loader.php';
		}
	}

	/**
	 * Performs initialization tasks.
	 *
	 * @since 3.1
	 */
	protected function _initialize() {
		DiviExtensions::add( $this );

		$this->_set_debug_mode();
		$this->_set_bundle_dependencies();

		// Setup translations.
		load_plugin_textdomain( $this->gettext_domain, false, basename( $this->plugin_dir ) . '/languages' );

		// Register callbacks.
		register_activation_hook( trailingslashit( $this->plugin_dir ) . $this->name . '.php', array( $this, 'wp_hook_activate' ) );
		register_deactivation_hook( trailingslashit( $this->plugin_dir ) . $this->name . '.php', array( $this, 'wp_hook_deactivate' ) );

		add_action( 'et_builder_ready', array( $this, 'hook_et_builder_ready' ), 9 );
		add_action( 'wp_enqueue_scripts', array( $this, 'wp_hook_enqueue_scripts' ) );
		add_action( 'admin_enqueue_scripts', array( $this, 'admin_hook_enqueue_scripts' ) );
	}

	/**
	 * Performs tasks when the plugin is activated.
	 * {@see 'activate_$PLUGINNAME'}
	 *
	 * @since 3.1
	 */
	public function wp_hook_activate() {
		// Force the legacy backend builder to reload its template cache.
		// This ensures that custom modules are available for use right away.
		et_pb_force_regenerate_templates();
	}

	/**
	 * Performs tasks when the plugin is deactivated.
	 * {@see 'deactivate_$PLUGINNAME'}
	 *
	 * @since 3.1
	 */
	public function wp_hook_deactivate() {}

	/**
	 * Enqueues the extension's scripts and styles.
	 * {@see 'wp_enqueue_scripts'}
	 *
	 * @since 3.1
	 * @since 4.4.9 Added backend styles for handling custom builder styles.
	 */
	public function wp_hook_enqueue_scripts() {
		if ( $this->_debug ) {
			$this->_enqueue_debug_bundles();
		} else {
			$styles     = et_is_builder_plugin_active() ? 'style-dbp' : 'style';
			$styles_url = "{$this->plugin_dir_url}styles/{$styles}.min.css";

			wp_enqueue_style( "{$this->name}-styles", $styles_url, array(), $this->version );

			$this->_enqueue_bundles();
		}

		if ( et_core_is_fb_enabled() && ! et_builder_bfb_enabled() ) {
			$this->_enqueue_backend_styles();
		}

		// Normalize the extension name to get actual script name. For example from 'divi-custom-modules' to `DiviCustomModules`.
		$extension_name = str_replace( ' ', '', ucwords( str_replace( '-', ' ', $this->name ) ) );

		// Enqueue frontend bundle's data.
		if ( ! empty( $this->_frontend_js_data ) ) {
			wp_localize_script( "{$this->name}-frontend-bundle", "{$extension_name}FrontendData", $this->_frontend_js_data );
		}

		// Enqueue builder bundle's data.
		if ( et_core_is_fb_enabled() && ! empty( $this->_builder_js_data ) ) {
			wp_localize_script( "{$this->name}-builder-bundle", "{$extension_name}BuilderData", $this->_builder_js_data );
		}
	}

	/**
	 * Enqueues the extension's scripts and styles for admin area.
	 *
	 * @since 4.4.9
	 */
	public function admin_hook_enqueue_scripts() {
		if ( et_builder_bfb_enabled() || et_builder_is_tb_admin_screen() ) {
			$this->_enqueue_backend_styles();
		}
	}
}


new DiviExtension();