Initial commit: WordPress wp-content (themes, plugins, languages)

- Theme: momentry (custom theme with REST API routes)
- Plugins: code-snippets (contains all API proxies)
- Languages: zh_TW translations
- Excludes: cache, backups, uploads, logs

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-archive-crc.php

@@ -0,0 +1,141 @@
+<?php
+/**
+ * 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_Archive_Crc {
+
+	public static function execute( $params ) {
+		$archive_bytes_read = 0;
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Calculating archive checksum...', 'all-in-one-wp-migration' ) );
+
+		// Set archive bytes remaining
+		if ( isset( $params['archive_bytes_remaining'] ) ) {
+			$archive_bytes_remaining = (int) $params['archive_bytes_remaining'];
+		} else {
+			$archive_bytes_remaining = ai1wm_archive_bytes( $params );
+		}
+
+		// Set archive bytes offset
+		if ( isset( $params['archive_bytes_offset'] ) ) {
+			$archive_bytes_offset = (int) $params['archive_bytes_offset'];
+		} else {
+			$archive_bytes_offset = 0;
+		}
+
+		// Set archive CRC value
+		$archive_crc_value = null;
+		if ( isset( $params['archive_crc_value'] ) ) {
+			$archive_crc_value = $params['archive_crc_value'];
+		}
+
+		// Flag to hold if file data has been processed
+		$completed = true;
+
+		// Start time
+		$start = microtime( true );
+
+		// Initialize CRC context for this chunk
+		$hash_ctx = Ai1wm_Crc::init_crc32();
+
+		// Open archive for reading
+		if ( ( $file_handle = ai1wm_open( ai1wm_archive_path( $params ), 'rb' ) ) ) {
+			if ( fseek( $file_handle, $archive_bytes_offset, SEEK_SET ) !== -1 ) {
+
+				// Process file in chunks
+				while ( $archive_bytes_remaining > 0 ) {
+					if ( ( $file_content = ai1wm_read( $file_handle, min( Ai1wm_Archiver::READ_CHUNK_SIZE, $archive_bytes_remaining ) ) ) !== false ) {
+
+						// Empty read indicates EOF
+						if ( strlen( $file_content ) === 0 ) {
+							break;
+						}
+
+						// Add the amount of bytes we read
+						$archive_bytes_read += strlen( $file_content );
+
+						// Subtract the amount of bytes we read
+						$archive_bytes_remaining -= strlen( $file_content );
+
+						// Update CRC with original content
+						Ai1wm_Crc::update_crc32( $hash_ctx, $file_content );
+					}
+
+					// Time elapsed
+					if ( ( $timeout = apply_filters( 'ai1wm_completed_timeout', 10 ) ) ) {
+						if ( ( microtime( true ) - $start ) > $timeout ) {
+							$completed = false;
+							break;
+						}
+					}
+				}
+
+				// Get archive bytes offset
+				$archive_bytes_offset += $archive_bytes_read;
+			}
+
+			ai1wm_close( $file_handle );
+		}
+
+		// Combine and finalize CRC
+		if ( empty( $archive_crc_value ) ) {
+			$params['archive_crc_value'] = Ai1wm_Crc::finalize_crc32( $hash_ctx );
+		} else {
+			$params['archive_crc_value'] = Ai1wm_Crc::combine_crc32( $archive_crc_value, Ai1wm_Crc::finalize_crc32( $hash_ctx ), $archive_bytes_read );
+		}
+
+		// End of the archive file?
+		if ( $completed ) {
+
+			// St archive bytes remaining
+			unset( $params['archive_bytes_remaining'] );
+
+			// Unset archive offset
+			unset( $params['archive_bytes_offset'] );
+
+			// Unset completed flag
+			unset( $params['completed'] );
+
+		} else {
+
+			// St archive bytes remaining
+			$params['archive_bytes_remaining'] = $archive_bytes_remaining;
+
+			// Set archive offset
+			$params['archive_bytes_offset'] = $archive_bytes_offset;
+
+			// Set completed flag
+			$params['completed'] = $completed;
+		}
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-archive.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * 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_Archive {
+
+	public static function execute( $params ) {
+
+		do_action( 'ai1wm_status_export_start', $params );
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Creating export file...', 'all-in-one-wp-migration' ) );
+
+		// Create empty archive file
+		$archive = new Ai1wm_Compressor( ai1wm_archive_path( $params ) );
+		$archive->close();
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Export file created.', 'all-in-one-wp-migration' ) );
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-clean.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * 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_Clean {
+
+	public static function execute( $params ) {
+
+		// Delete storage files
+		Ai1wm_Directory::delete( ai1wm_storage_path( $params ) );
+
+		if ( isset( $params['ai1wm_export_cancel'] ) ) {
+			do_action( 'ai1wm_status_export_canceled', $params );
+		}
+
+		// Exit in console
+		if ( defined( 'WP_CLI' ) ) {
+			return $params;
+		}
+
+		exit;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-compatibility.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * 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_Compatibility {
+
+	public static function execute( $params ) {
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Checking for compatibility...', 'all-in-one-wp-migration' ) );
+
+		// Get messages
+		$messages = Ai1wm_Compatibility::get( $params );
+
+		// Set messages
+		if ( empty( $messages ) ) {
+			return $params;
+		}
+
+		// Error message
+		throw new Ai1wm_Compatibility_Exception( wp_kses( implode( $messages ), ai1wm_allowed_html_tags() ) );
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-config-file.php

@@ -0,0 +1,56 @@
+<?php
+/**
+ * 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_Config_File {
+
+	public static function execute( $params ) {
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Archiving configuration...', 'all-in-one-wp-migration' ) );
+
+		// Open the archive file for writing
+		$archive = new Ai1wm_Compressor( ai1wm_archive_path( $params ) );
+
+		// Add package.json to archive
+		$archive->add_file( ai1wm_package_path( $params ), AI1WM_PACKAGE_NAME );
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Configuration archived.', 'all-in-one-wp-migration' ) );
+
+		// Truncate the archive file
+		$archive->truncate();
+
+		// Close the archive file
+		$archive->close();
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-config.php

@@ -0,0 +1,203 @@
+<?php
+/**
+ * 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_Config {
+
+	public static function execute( $params ) {
+		global $table_prefix, $wp_version;
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Preparing configuration...', 'all-in-one-wp-migration' ) );
+
+		// Get options
+		$options = wp_load_alloptions();
+
+		// Get database client
+		$db_client = Ai1wm_Database_Utility::get_client();
+
+		$config = array();
+
+		// Set site URL
+		$config['SiteURL'] = site_url();
+
+		// Set home URL
+		$config['HomeURL'] = home_url();
+
+		// Set internal site URL
+		if ( isset( $options['siteurl'] ) ) {
+			$config['InternalSiteURL'] = $options['siteurl'];
+		}
+
+		// Set internal home URL
+		if ( isset( $options['home'] ) ) {
+			$config['InternalHomeURL'] = $options['home'];
+		}
+
+		// Set replace old and new values
+		if ( isset( $params['options']['replace'] ) && ( $replace = $params['options']['replace'] ) ) {
+			for ( $i = 0; $i < count( $replace['old_value'] ); $i++ ) {
+				if ( ! empty( $replace['old_value'][ $i ] ) && ! empty( $replace['new_value'][ $i ] ) ) {
+					$config['Replace']['OldValues'][] = $replace['old_value'][ $i ];
+					$config['Replace']['NewValues'][] = $replace['new_value'][ $i ];
+				}
+			}
+		}
+
+		// Set no spam comments
+		if ( isset( $params['options']['no_spam_comments'] ) ) {
+			$config['NoSpamComments'] = true;
+		}
+
+		// Set no post revisions
+		if ( isset( $params['options']['no_post_revisions'] ) ) {
+			$config['NoPostRevisions'] = true;
+		}
+
+		// Set no media
+		if ( isset( $params['options']['no_media'] ) ) {
+			$config['NoMedia'] = true;
+		}
+
+		// Set no themes
+		if ( isset( $params['options']['no_themes'] ) ) {
+			$config['NoThemes'] = true;
+		}
+
+		// Set no inactive themes
+		if ( isset( $params['options']['no_inactive_themes'] ) ) {
+			$config['NoInactiveThemes'] = true;
+		}
+
+		// Set no must-use plugins
+		if ( isset( $params['options']['no_muplugins'] ) ) {
+			$config['NoMustUsePlugins'] = true;
+		}
+
+		// Set no plugins
+		if ( isset( $params['options']['no_plugins'] ) ) {
+			$config['NoPlugins'] = true;
+		}
+
+		// Set no inactive plugins
+		if ( isset( $params['options']['no_inactive_plugins'] ) ) {
+			$config['NoInactivePlugins'] = true;
+		}
+
+		// Set no cache
+		if ( isset( $params['options']['no_cache'] ) ) {
+			$config['NoCache'] = true;
+		}
+
+		// Set no database
+		if ( isset( $params['options']['no_database'] ) ) {
+			$config['NoDatabase'] = true;
+		}
+
+		// Set no email replace
+		if ( isset( $params['options']['no_email_replace'] ) ) {
+			$config['NoEmailReplace'] = true;
+		}
+
+		// Set plugin version
+		$config['Plugin'] = array( 'Version' => AI1WM_VERSION );
+
+		// Set WordPress version and content
+		$config['WordPress'] = array( 'Version' => $wp_version, 'Absolute' => ABSPATH, 'Content' => WP_CONTENT_DIR, 'Plugins' => ai1wm_get_plugins_dir(), 'Themes' => ai1wm_get_themes_dirs(), 'Uploads' => ai1wm_get_uploads_dir(), 'UploadsURL' => ai1wm_get_uploads_url() );
+
+		// Set database version
+		$config['Database'] = array(
+			'Version' => $db_client->server_info(),
+			'Charset' => defined( 'DB_CHARSET' ) ? DB_CHARSET : 'undefined',
+			'Collate' => defined( 'DB_COLLATE' ) ? DB_COLLATE : 'undefined',
+			'Prefix'  => $table_prefix,
+		);
+
+		// Exclude selected db tables
+		if ( isset( $params['options']['exclude_db_tables'], $params['excluded_db_tables'] ) ) {
+			if ( ( $excluded_db_tables = explode( ',', $params['excluded_db_tables'] ) ) ) {
+				$config['Database']['ExcludedTables'] = $excluded_db_tables;
+			}
+		}
+
+		// Include selected db tables
+		if ( isset( $params['options']['include_db_tables'], $params['included_db_tables'] ) ) {
+			if ( ( $included_db_tables = explode( ',', $params['included_db_tables'] ) ) ) {
+				$config['Database']['IncludedTables'] = $included_db_tables;
+			}
+		}
+
+		// Set PHP version
+		$config['PHP'] = array( 'Version' => PHP_VERSION, 'System' => PHP_OS, 'Integer' => PHP_INT_SIZE );
+
+		// Set active plugins
+		$config['Plugins'] = array_values( array_diff( ai1wm_active_plugins(), ai1wm_active_servmask_plugins() ) );
+
+		// Set active template
+		$config['Template'] = ai1wm_active_template();
+
+		// Set active stylesheet
+		$config['Stylesheet'] = ai1wm_active_stylesheet();
+
+		// Set upload path
+		$config['Uploads'] = get_option( 'upload_path' );
+
+		// Set upload URL path
+		$config['UploadsURL'] = get_option( 'upload_url_path' );
+
+		// Set server info
+		$config['Server'] = array( '.htaccess' => base64_encode( ai1wm_get_htaccess() ), 'web.config' => base64_encode( ai1wm_get_webconfig() ) );
+
+		// Set encrypt backups
+		if ( isset( $params['options']['encrypt_backups'] ) ) {
+			$config['Encrypted'] = true;
+		}
+
+		// Set encrypt password
+		if ( isset( $params['options']['encrypt_password'] ) ) {
+			$config['EncryptedSignature'] = base64_encode( ai1wm_encrypt_string( AI1WM_SIGN_TEXT, $params['options']['encrypt_password'] ) );
+		}
+
+		// Set compression type
+		if ( ! empty( $params['options']['compression_type'] ) ) {
+			$config['Compression'] = array( 'Enabled' => true, 'Type' => $params['options']['compression_type'] );
+		}
+
+		// Save package.json file
+		$handle = ai1wm_open( ai1wm_package_path( $params ), 'w' );
+		ai1wm_write( $handle, json_encode( $config ) );
+		ai1wm_close( $handle );
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Configuration prepared.', 'all-in-one-wp-migration' ) );
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-content.php

@@ -0,0 +1,239 @@
+<?php
+/**
+ * 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 encrypt password
+		$encrypt_password = null;
+		if ( isset( $params['options']['encrypt_backups'], $params['options']['encrypt_password'] ) ) {
+			$encrypt_password = $params['options']['encrypt_password'];
+		}
+
+		// Set compression type
+		$compression_type = null;
+		if ( isset( $params['options']['compression_type'] ) ) {
+			$compression_type = $params['options']['compression_type'];
+		}
+
+		// 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 file bytes written
+		if ( isset( $params['file_bytes_written'] ) ) {
+			$file_bytes_written = (int) $params['file_bytes_written'];
+		} else {
+			$file_bytes_written = 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;
+		}
+
+		// Set file CRC
+		if ( isset( $params['file_crc'] ) ) {
+			$file_crc = $params['file_crc'];
+		} else {
+			$file_crc = null;
+		}
+
+		// What percent of files have we processed?
+		$progress = (int) min( ( $processed_files_size / $total_content_files_size ) * 100, 100 );
+
+		// Set progress
+		/* translators: 1: Number of files, 2: Progress. */
+		Ai1wm_Status::info( sprintf( __( 'Archiving %1$d content files...<br />%2$d%% complete', 'all-in-one-wp-migration' ), $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 ), $encrypt_password, $compression_type );
+
+			// Set the file pointer to the one that we have saved
+			$archive->set_file_pointer( $archive_bytes_offset );
+
+			// Loop over files
+			while ( ( $row = ai1wm_getcsv( $content_list ) ) !== false ) {
+				list( $file_abspath, $file_relpath, $file_size, $file_mtime ) = $row;
+				$file_bytes_read = 0;
+
+				// Add file to archive
+				if ( ( $completed = $archive->add_file( $file_abspath, $file_relpath, $file_bytes_read, $file_bytes_offset, $file_bytes_written, $file_crc ) ) ) {
+					$file_crc = null;
+
+					// Reset file bytes
+					$file_bytes_offset = $file_bytes_written = 0;
+
+					// Get content bytes offset
+					$content_bytes_offset = ftell( $content_list );
+				}
+
+				// Increment processed files size
+				$processed_files_size += $file_bytes_read;
+
+				// What percent of files have we processed?
+				$progress = (int) min( ( $processed_files_size / $total_content_files_size ) * 100, 100 );
+
+				// Set progress
+				/* translators: 1: Number of files, 2: Progress. */
+				Ai1wm_Status::info( sprintf( __( 'Archiving %1$d content files...<br />%2$d%% complete', 'all-in-one-wp-migration' ), $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 file bytes written
+			unset( $params['file_bytes_written'] );
+
+			// 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 file CRC
+			unset( $params['file_crc'] );
+
+			// 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 file bytes written
+			$params['file_bytes_written'] = $file_bytes_written;
+
+			// 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 file CRC
+			$params['file_crc'] = $file_crc;
+
+			// Set completed flag
+			$params['completed'] = $completed;
+		}
+
+		// Close the content list file
+		ai1wm_close( $content_list );
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-database-file.php

@@ -0,0 +1,166 @@
+<?php
+/**
+ * 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_read = 0;
+
+		// Set encrypt password
+		$encrypt_password = null;
+		if ( isset( $params['options']['encrypt_backups'], $params['options']['encrypt_password'] ) ) {
+			$encrypt_password = $params['options']['encrypt_password'];
+		}
+
+		// Set compression type
+		$compression_type = null;
+		if ( isset( $params['options']['compression_type'] ) ) {
+			$compression_type = $params['options']['compression_type'];
+		}
+
+		// 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;
+		}
+
+		// Set database bytes written
+		if ( isset( $params['database_bytes_written'] ) ) {
+			$database_bytes_written = (int) $params['database_bytes_written'];
+		} else {
+			$database_bytes_written = 0;
+		}
+
+		// Set database CRC
+		if ( isset( $params['database_crc'] ) ) {
+			$database_crc = $params['database_crc'];
+		} else {
+			$database_crc = null;
+		}
+
+		// 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
+		/* translators: Progress. */
+		Ai1wm_Status::info( sprintf( __( 'Archiving database...<br />%d%% complete', 'all-in-one-wp-migration' ), $progress ) );
+
+		// Open the archive file for writing
+		$archive = new Ai1wm_Compressor( ai1wm_archive_path( $params ), $encrypt_password, $compression_type );
+
+		// 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_read, $database_bytes_offset, $database_bytes_written, $database_crc ) ) {
+
+			// Set progress
+			Ai1wm_Status::info( __( 'Database archived.', 'all-in-one-wp-migration' ) );
+
+			// Unset archive bytes offset
+			unset( $params['archive_bytes_offset'] );
+
+			// Unset database bytes offset
+			unset( $params['database_bytes_offset'] );
+
+			// Unset database bytes written
+			unset( $params['database_bytes_written'] );
+
+			// Unset database CRC
+			unset( $params['database_crc'] );
+
+			// 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
+			/* translators: Progress. */
+			Ai1wm_Status::info( sprintf( __( 'Archiving database...<br />%d%% complete', 'all-in-one-wp-migration' ), $progress ) );
+
+			// Set archive bytes offset
+			$params['archive_bytes_offset'] = $archive_bytes_offset;
+
+			// Set database bytes offset
+			$params['database_bytes_offset'] = $database_bytes_offset;
+
+			// Set database bytes written
+			$params['database_bytes_written'] = $database_bytes_written;
+
+			// Set database CRC
+			$params['database_crc'] = $database_crc;
+
+			// 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;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-database.php

@@ -0,0 +1,215 @@
+<?php
+/**
+ * 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 {
+
+	public static function execute( $params ) {
+
+		// Set exclude database
+		if ( isset( $params['options']['no_database'] ) ) {
+			return $params;
+		}
+
+		// Set query offset
+		if ( isset( $params['query_offset'] ) ) {
+			$query_offset = (int) $params['query_offset'];
+		} else {
+			$query_offset = 0;
+		}
+
+		// Set table index
+		if ( isset( $params['table_index'] ) ) {
+			$table_index = (int) $params['table_index'];
+		} else {
+			$table_index = 0;
+		}
+
+		// Set table offset
+		if ( isset( $params['table_offset'] ) ) {
+			$table_offset = (int) $params['table_offset'];
+		} else {
+			$table_offset = 0;
+		}
+
+		// Set table rows
+		if ( isset( $params['table_rows'] ) ) {
+			$table_rows = (int) $params['table_rows'];
+		} else {
+			$table_rows = 0;
+		}
+
+		// Set total tables count
+		if ( isset( $params['total_tables_count'] ) ) {
+			$total_tables_count = (int) $params['total_tables_count'];
+		} else {
+			$total_tables_count = 1;
+		}
+
+		// What percent of tables have we processed?
+		$progress = (int) ( ( $table_index / $total_tables_count ) * 100 );
+
+		// Set progress
+		/* translators: 1: Progress, 2: Number of records. */
+		Ai1wm_Status::info( sprintf( __( 'Exporting database...<br />%1$d%% complete<br />%2$s records saved', 'all-in-one-wp-migration' ), $progress, number_format_i18n( $table_rows ) ) );
+
+		// Get tables list file
+		$tables_list = ai1wm_open( ai1wm_tables_list_path( $params ), 'r' );
+
+		// Loop over tables
+		$tables = array();
+		while ( ( $row = ai1wm_getcsv( $tables_list ) ) !== false ) {
+			list( $table_name ) = $row;
+			$tables[] = $table_name; // phpcs:ignore Generic.Formatting.MultipleStatementAlignment.NotSameWarning
+		}
+
+		// Close the tables list file
+		ai1wm_close( $tables_list );
+
+		// Get database client
+		$db_client = Ai1wm_Database_Utility::get_client();
+
+		// Exclude spam comments
+		if ( isset( $params['options']['no_spam_comments'] ) ) {
+			$db_client->set_table_where_query( ai1wm_table_prefix() . 'comments', "`comment_approved` != 'spam'" )
+				->set_table_where_query( ai1wm_table_prefix() . 'commentmeta', sprintf( "`comment_ID` IN ( SELECT `comment_ID` FROM `%s` WHERE `comment_approved` != 'spam' )", ai1wm_table_prefix() . 'comments' ) );
+		}
+
+		// Exclude post revisions
+		if ( isset( $params['options']['no_post_revisions'] ) ) {
+			$db_client->set_table_where_query( ai1wm_table_prefix() . 'posts', "`post_type` != 'revision'" )
+				->set_table_where_query( ai1wm_table_prefix() . 'postmeta', sprintf( "`post_id` IN ( SELECT `ID` FROM `%s` WHERE `post_type` != 'revision' )", ai1wm_table_prefix() . 'posts' ) );
+		}
+
+		$old_table_prefixes = $old_column_prefixes = array();
+		$new_table_prefixes = $new_column_prefixes = array();
+
+		// Set table prefixes
+		if ( ai1wm_table_prefix() ) {
+			$old_table_prefixes[] = ai1wm_table_prefix();
+			$new_table_prefixes[] = ai1wm_servmask_prefix();
+		} else {
+			foreach ( $tables as $table_name ) {
+				$old_table_prefixes[] = $table_name;
+				$new_table_prefixes[] = ai1wm_servmask_prefix() . $table_name;
+			}
+		}
+
+		// Set column prefixes
+		if ( strlen( ai1wm_table_prefix() ) > 1 ) {
+			$old_column_prefixes[] = ai1wm_table_prefix();
+			$new_column_prefixes[] = ai1wm_servmask_prefix();
+		} else {
+			foreach ( array( 'user_roles', 'capabilities', 'user_level', 'dashboard_quick_press_last_post_id', 'user-settings', 'user-settings-time' ) as $column_prefix ) {
+				$old_column_prefixes[] = ai1wm_table_prefix() . $column_prefix;
+				$new_column_prefixes[] = ai1wm_servmask_prefix() . $column_prefix;
+			}
+		}
+
+		$db_client->set_tables( $tables )
+			->set_old_table_prefixes( $old_table_prefixes )
+			->set_new_table_prefixes( $new_table_prefixes )
+			->set_old_column_prefixes( $old_column_prefixes )
+			->set_new_column_prefixes( $new_column_prefixes );
+
+		// Exclude column prefixes
+		$db_client->set_reserved_column_prefixes( array( 'wp_force_deactivated_plugins', 'wp_page_for_privacy_policy', 'wp_rocket_settings', 'wp_rocket_dismiss_imagify_notice', 'wp_rocket_no_licence', 'wp_rocket_rocketcdn_old_url', 'wp_rocket_hide_deactivation_form' ) );
+
+		// Exclude site options
+		$db_client->set_table_where_query( ai1wm_table_prefix() . 'options', sprintf( "`option_name` NOT IN ('%s', '%s', '%s', '%s', '%s', '%s', '%s')", AI1WM_STATUS, AI1WM_SECRET_KEY, AI1WM_AUTH_USER, AI1WM_AUTH_PASSWORD, AI1WM_AUTH_HEADER, AI1WM_BACKUPS_LABELS, AI1WM_SITES_LINKS ) );
+
+		// Set table select columns
+		if ( ( $column_names = $db_client->get_column_names( ai1wm_table_prefix() . 'options' ) ) ) {
+			if ( isset( $column_names['option_name'], $column_names['option_value'] ) ) {
+				$column_names['option_value'] = sprintf( "(CASE WHEN option_name = '%s' THEN 'a:0:{}' WHEN (option_name = '%s' OR option_name = '%s') THEN '' ELSE option_value END) AS option_value", AI1WM_ACTIVE_PLUGINS, AI1WM_ACTIVE_TEMPLATE, AI1WM_ACTIVE_STYLESHEET );
+			}
+
+			$db_client->set_table_select_columns( ai1wm_table_prefix() . 'options', $column_names );
+		}
+
+		// Set table prefix columns
+		$db_client->set_table_prefix_columns( ai1wm_table_prefix() . 'options', array( 'option_name' ) )
+			->set_table_prefix_columns( ai1wm_table_prefix() . 'usermeta', array( 'meta_key' ) );
+
+		// Export database
+		if ( $db_client->export( ai1wm_database_path( $params ), $query_offset, $table_index, $table_offset, $table_rows ) ) {
+
+			// Set progress
+			Ai1wm_Status::info( __( 'Database exported.', 'all-in-one-wp-migration' ) );
+
+			// Unset query offset
+			unset( $params['query_offset'] );
+
+			// Unset table index
+			unset( $params['table_index'] );
+
+			// Unset table offset
+			unset( $params['table_offset'] );
+
+			// Unset table rows
+			unset( $params['table_rows'] );
+
+			// Unset total tables count
+			unset( $params['total_tables_count'] );
+
+			// Unset completed flag
+			unset( $params['completed'] );
+
+		} else {
+
+			// What percent of tables have we processed?
+			$progress = (int) ( ( $table_index / $total_tables_count ) * 100 );
+
+			// Set progress
+			/* translators: 1: Progress, 2: Number of records. */
+			Ai1wm_Status::info( sprintf( __( 'Exporting database...<br />%1$d%% complete<br />%2$s records saved', 'all-in-one-wp-migration' ), $progress, number_format_i18n( $table_rows ) ) );
+
+			// Set query offset
+			$params['query_offset'] = $query_offset;
+
+			// Set table index
+			$params['table_index'] = $table_index;
+
+			// Set table offset
+			$params['table_offset'] = $table_offset;
+
+			// Set table rows
+			$params['table_rows'] = $table_rows;
+
+			// Set total tables count
+			$params['total_tables_count'] = $total_tables_count;
+
+			// Set completed flag
+			$params['completed'] = false;
+		}
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-download.php

@@ -0,0 +1,115 @@
+<?php
+/**
+ * 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_Download {
+
+	public static function execute( $params ) {
+
+		// Get archive CRC value
+		$archive_crc_value = null;
+		if ( isset( $params['archive_crc_value'] ) ) {
+			$archive_crc_value = $params['archive_crc_value'];
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Renaming export file...', 'all-in-one-wp-migration' ) );
+
+		// Open the archive file for writing
+		$archive = new Ai1wm_Compressor( ai1wm_archive_path( $params ) );
+
+		// Append EOF block
+		$archive->close( true, $archive_crc_value );
+
+		// Rename archive file
+		if ( rename( ai1wm_archive_path( $params ), ai1wm_backup_path( $params ) ) ) {
+			$blog_id = null;
+
+			// Get subsite Blog ID
+			if ( isset( $params['options']['sites'] ) && ( $sites = $params['options']['sites'] ) ) {
+				if ( count( $sites ) === 1 ) {
+					$blog_id = array_shift( $sites );
+				}
+			}
+
+			// Set archive details
+			$file = ai1wm_archive_name( $params );
+			$link = ai1wm_backup_url( $params );
+			$size = ai1wm_backup_size( $params );
+			$name = ai1wm_site_name( $blog_id );
+
+			// Set progress
+			if ( ai1wm_direct_download_supported() ) {
+				Ai1wm_Status::download(
+					sprintf(
+						/* translators: 1: Link to archive, 2: Archive title, 3: File name, 4: Archive title, 5: File size. */
+						__(
+							'<a href="%1$s" class="ai1wm-button-green ai1wm-emphasize ai1wm-button-download" title="%2$s" download="%3$s">
+							<span>Download %2$s</span>
+							<em>Size: %4$s</em>
+							</a>',
+							'all-in-one-wp-migration'
+						),
+						$link,
+						$name,
+						$file,
+						$size
+					)
+				);
+			} else {
+				Ai1wm_Status::download(
+					sprintf(
+						/* translators: 1: Archive title, 2: File name, 3: Archive title, 4: File size. */
+						__(
+							'<a href="#" class="ai1wm-button-green ai1wm-emphasize ai1wm-direct-download" title="%1$s" download="%2$s">
+							<span>Download %3$s</span>
+							<em>Size: %4$s</em>
+							</a>',
+							'all-in-one-wp-migration'
+						),
+						$name,
+						$file,
+						$name,
+						$size
+					)
+				);
+			}
+		}
+
+		do_action( 'ai1wm_status_export_done', $params );
+
+		// Run manual on backup created hook
+		if ( isset( $params['ai1wm_manual_backup'] ) ) {
+			do_action( 'ai1wm_status_backup_created', $params );
+		}
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-enumerate-content.php

@@ -0,0 +1,126 @@
+<?php
+/**
+ * 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_Enumerate_Content {
+
+	public static function execute( $params ) {
+
+		$exclude_filters = array_merge( array( ai1wm_get_uploads_dir(), ai1wm_get_plugins_dir() ), ai1wm_get_themes_dirs() );
+
+		// 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;
+		}
+
+		// 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;
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Gathering content files...', 'all-in-one-wp-migration' ) );
+
+		// Exclude cache
+		if ( isset( $params['options']['no_cache'] ) ) {
+			$exclude_filters[] = 'cache';
+		}
+
+		// Exclude must-use plugins
+		if ( isset( $params['options']['no_muplugins'] ) ) {
+			$exclude_filters[] = 'mu-plugins';
+		}
+
+		// Exclude media
+		if ( isset( $params['options']['no_media'] ) ) {
+			$exclude_filters[] = 'blogs.dir';
+		}
+
+		// Exclude SQLite file
+		if ( defined( 'FQDB' ) ) {
+			$exclude_filters[] = FQDB;
+		}
+
+		// Exclude selected files
+		if ( isset( $params['options']['exclude_files'], $params['excluded_files'] ) ) {
+			if ( ( $excluded_files = explode( ',', $params['excluded_files'] ) ) ) {
+				foreach ( $excluded_files as $excluded_path ) {
+					$exclude_filters[] = WP_CONTENT_DIR . DIRECTORY_SEPARATOR . untrailingslashit( $excluded_path );
+				}
+			}
+		}
+
+		// Create content list file
+		$content_list = ai1wm_open( ai1wm_content_list_path( $params ), 'w' );
+
+		// Enumerate over content directory
+		if ( isset( $params['options']['no_themes'], $params['options']['no_muplugins'], $params['options']['no_plugins'] ) === false ) {
+
+			// Iterate over content directory
+			$iterator = new Ai1wm_Recursive_Directory_Iterator( WP_CONTENT_DIR );
+
+			// Exclude content files
+			$iterator = new Ai1wm_Recursive_Exclude_Filter( $iterator, apply_filters( 'ai1wm_exclude_content_from_export', ai1wm_content_filters( $exclude_filters ) ) );
+
+			// Recursively iterate over content directory
+			$iterator = new Ai1wm_Recursive_Iterator_Iterator( $iterator, RecursiveIteratorIterator::LEAVES_ONLY, RecursiveIteratorIterator::CATCH_GET_CHILD );
+
+			// Write path line
+			foreach ( $iterator as $item ) {
+				if ( $item->isFile() ) {
+					if ( ai1wm_putcsv( $content_list, array( $iterator->getPathname(), $iterator->getSubPathname(), $iterator->getSize(), $iterator->getMTime() ) ) ) {
+						$total_content_files_count++;
+
+						// Add current file size
+						$total_content_files_size += $iterator->getSize();
+					}
+				}
+			}
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Content files gathered.', 'all-in-one-wp-migration' ) );
+
+		// Set total content files count
+		$params['total_content_files_count'] = $total_content_files_count;
+
+		// Set total content files size
+		$params['total_content_files_size'] = $total_content_files_size;
+
+		// Close the content list file
+		ai1wm_close( $content_list );
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-enumerate-media.php

@@ -0,0 +1,108 @@
+<?php
+/**
+ * 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_Enumerate_Media {
+
+	public static function execute( $params ) {
+
+		$exclude_filters = array();
+
+		// Get total media files count
+		if ( isset( $params['total_media_files_count'] ) ) {
+			$total_media_files_count = (int) $params['total_media_files_count'];
+		} else {
+			$total_media_files_count = 1;
+		}
+
+		// Get total media files size
+		if ( isset( $params['total_media_files_size'] ) ) {
+			$total_media_files_size = (int) $params['total_media_files_size'];
+		} else {
+			$total_media_files_size = 1;
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Gathering media files...', 'all-in-one-wp-migration' ) );
+
+		// Exclude selected files
+		if ( isset( $params['options']['exclude_files'], $params['excluded_files'] ) ) {
+			if ( ( $excluded_files = explode( ',', $params['excluded_files'] ) ) ) {
+				foreach ( $excluded_files as $excluded_path ) {
+					$exclude_filters[] = WP_CONTENT_DIR . DIRECTORY_SEPARATOR . untrailingslashit( $excluded_path );
+				}
+			}
+		}
+
+		// Create media list file
+		$media_list = ai1wm_open( ai1wm_media_list_path( $params ), 'w' );
+
+		// Enumerate over media directory
+		if ( isset( $params['options']['no_media'] ) === false ) {
+			if ( is_dir( ai1wm_get_uploads_dir() ) ) {
+
+				// Iterate over media directory
+				$iterator = new Ai1wm_Recursive_Directory_Iterator( ai1wm_get_uploads_dir() );
+
+				// Exclude media files
+				$iterator = new Ai1wm_Recursive_Exclude_Filter( $iterator, apply_filters( 'ai1wm_exclude_media_from_export', ai1wm_media_filters( $exclude_filters ) ) );
+
+				// Recursively iterate over content directory
+				$iterator = new Ai1wm_Recursive_Iterator_Iterator( $iterator, RecursiveIteratorIterator::LEAVES_ONLY, RecursiveIteratorIterator::CATCH_GET_CHILD );
+
+				// Write path line
+				foreach ( $iterator as $item ) {
+					if ( $item->isFile() ) {
+						if ( ai1wm_putcsv( $media_list, array( $iterator->getPathname(), $iterator->getSubPathname(), $iterator->getSize(), $iterator->getMTime() ) ) ) {
+							$total_media_files_count++;
+
+							// Add current file size
+							$total_media_files_size += $iterator->getSize();
+						}
+					}
+				}
+			}
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Media files gathered.', 'all-in-one-wp-migration' ) );
+
+		// Set total media files count
+		$params['total_media_files_count'] = $total_media_files_count;
+
+		// Set total media files size
+		$params['total_media_files_size'] = $total_media_files_size;
+
+		// Close the media list file
+		ai1wm_close( $media_list );
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-enumerate-plugins.php

@@ -0,0 +1,115 @@
+<?php
+/**
+ * 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_Enumerate_Plugins {
+
+	public static function execute( $params ) {
+
+		$exclude_filters = array( AI1WM_SQLITE_DATABASE_INTEGRATION_NAME );
+
+		// Get total plugins files count
+		if ( isset( $params['total_plugins_files_count'] ) ) {
+			$total_plugins_files_count = (int) $params['total_plugins_files_count'];
+		} else {
+			$total_plugins_files_count = 1;
+		}
+
+		// Get total plugins files size
+		if ( isset( $params['total_plugins_files_size'] ) ) {
+			$total_plugins_files_size = (int) $params['total_plugins_files_size'];
+		} else {
+			$total_plugins_files_size = 1;
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Gathering plugin files...', 'all-in-one-wp-migration' ) );
+
+		// Exclude inactive plugins
+		if ( isset( $params['options']['no_inactive_plugins'] ) ) {
+			foreach ( get_plugins() as $plugin_name => $plugin_info ) {
+				if ( is_plugin_inactive( $plugin_name ) ) {
+					$exclude_filters[] = ( dirname( $plugin_name ) === '.' ? basename( $plugin_name ) : dirname( $plugin_name ) );
+				}
+			}
+		}
+
+		// Exclude selected files
+		if ( isset( $params['options']['exclude_files'], $params['excluded_files'] ) ) {
+			if ( ( $excluded_files = explode( ',', $params['excluded_files'] ) ) ) {
+				foreach ( $excluded_files as $excluded_path ) {
+					$exclude_filters[] = WP_CONTENT_DIR . DIRECTORY_SEPARATOR . untrailingslashit( $excluded_path );
+				}
+			}
+		}
+
+		// Create plugins list file
+		$plugins_list = ai1wm_open( ai1wm_plugins_list_path( $params ), 'w' );
+
+		// Enumerate over plugins directory
+		if ( isset( $params['options']['no_plugins'] ) === false ) {
+
+			// Iterate over plugins directory
+			$iterator = new Ai1wm_Recursive_Directory_Iterator( ai1wm_get_plugins_dir() );
+
+			// Exclude plugins files
+			$iterator = new Ai1wm_Recursive_Exclude_Filter( $iterator, apply_filters( 'ai1wm_exclude_plugins_from_export', ai1wm_plugin_filters( $exclude_filters ) ) );
+
+			// Recursively iterate over plugins directory
+			$iterator = new Ai1wm_Recursive_Iterator_Iterator( $iterator, RecursiveIteratorIterator::LEAVES_ONLY, RecursiveIteratorIterator::CATCH_GET_CHILD );
+
+			// Write path line
+			foreach ( $iterator as $item ) {
+				if ( $item->isFile() ) {
+					if ( ai1wm_putcsv( $plugins_list, array( $iterator->getPathname(), $iterator->getSubPathname(), $iterator->getSize(), $iterator->getMTime() ) ) ) {
+						$total_plugins_files_count++;
+
+						// Add current file size
+						$total_plugins_files_size += $iterator->getSize();
+					}
+				}
+			}
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Plugin files gathered.', 'all-in-one-wp-migration' ) );
+
+		// Set total plugins files count
+		$params['total_plugins_files_count'] = $total_plugins_files_count;
+
+		// Set total plugins files size
+		$params['total_plugins_files_size'] = $total_plugins_files_size;
+
+		// Close the plugins list file
+		ai1wm_close( $plugins_list );
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-enumerate-tables.php

@@ -0,0 +1,99 @@
+<?php
+/**
+ * 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_Enumerate_Tables {
+
+	public static function execute( $params ) {
+		// Set exclude database
+		if ( isset( $params['options']['no_database'] ) ) {
+			return $params;
+		}
+
+		// Get total tables count
+		if ( isset( $params['total_tables_count'] ) ) {
+			$total_tables_count = (int) $params['total_tables_count'];
+		} else {
+			$total_tables_count = 1;
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Gathering database tables...', 'all-in-one-wp-migration' ) );
+
+		// Get database client
+		$db_client = Ai1wm_Database_Utility::get_client();
+
+		// Include table prefixes
+		if ( ai1wm_table_prefix() ) {
+			$db_client->add_table_prefix_filter( ai1wm_table_prefix() );
+
+			// Include table prefixes (Webba Booking and CiviCRM)
+			foreach ( array( 'wbk_', 'civicrm_' ) as $table_name ) {
+				$db_client->add_table_prefix_filter( $table_name );
+			}
+		}
+
+		// Create tables list file
+		$tables_list = ai1wm_open( ai1wm_tables_list_path( $params ), 'w' );
+
+		// Exclude selected db tables
+		$excluded_db_tables = array();
+		if ( isset( $params['options']['exclude_db_tables'], $params['excluded_db_tables'] ) ) {
+			$excluded_db_tables = explode( ',', $params['excluded_db_tables'] );
+		}
+
+		// Write table line
+		foreach ( $db_client->get_tables() as $table_name ) {
+			if ( ! in_array( $table_name, $excluded_db_tables ) && ai1wm_putcsv( $tables_list, array( $table_name ) ) ) {
+				$total_tables_count++;
+			}
+		}
+
+		// Include selected db tables
+		if ( isset( $params['options']['include_db_tables'] ) && ! empty( $params['included_db_tables'] ) ) {
+			foreach ( explode( ',', $params['included_db_tables'] )  as $table_name ) {
+				if ( ai1wm_putcsv( $tables_list, array( $table_name ) ) ) {
+					$total_tables_count++;
+				}
+			}
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Database tables gathered.', 'all-in-one-wp-migration' ) );
+
+		// Set total tables count
+		$params['total_tables_count'] = $total_tables_count;
+
+		// Close the tables list file
+		ai1wm_close( $tables_list );
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-enumerate-themes.php

@@ -0,0 +1,121 @@
+<?php
+/**
+ * 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_Enumerate_Themes {
+
+	public static function execute( $params ) {
+
+		$exclude_filters = array();
+
+		// Get total themes files count
+		if ( isset( $params['total_themes_files_count'] ) ) {
+			$total_themes_files_count = (int) $params['total_themes_files_count'];
+		} else {
+			$total_themes_files_count = 1;
+		}
+
+		// Get total themes files size
+		if ( isset( $params['total_themes_files_size'] ) ) {
+			$total_themes_files_size = (int) $params['total_themes_files_size'];
+		} else {
+			$total_themes_files_size = 1;
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Gathering theme files...', 'all-in-one-wp-migration' ) );
+
+		// Exclude inactive themes
+		if ( isset( $params['options']['no_inactive_themes'] ) ) {
+			foreach ( search_theme_directories() as $theme_name => $theme_info ) {
+				if ( ! in_array( $theme_name, array( get_template(), get_stylesheet() ) ) ) {
+					if ( isset( $theme_info['theme_root'] ) ) {
+						$exclude_filters[] = $theme_info['theme_root'] . DIRECTORY_SEPARATOR . $theme_name;
+					}
+				}
+			}
+		}
+
+		// Exclude selected files
+		if ( isset( $params['options']['exclude_files'], $params['excluded_files'] ) ) {
+			if ( ( $excluded_files = explode( ',', $params['excluded_files'] ) ) ) {
+				foreach ( $excluded_files as $excluded_path ) {
+					$exclude_filters[] = WP_CONTENT_DIR . DIRECTORY_SEPARATOR . untrailingslashit( $excluded_path );
+				}
+			}
+		}
+
+		// Create themes list file
+		$themes_list = ai1wm_open( ai1wm_themes_list_path( $params ), 'w' );
+
+		// Enumerate over themes directory
+		if ( isset( $params['options']['no_themes'] ) === false ) {
+			foreach ( ai1wm_get_themes_dirs() as $theme_dir ) {
+				if ( is_dir( $theme_dir ) ) {
+
+					// Iterate over themes directory
+					$iterator = new Ai1wm_Recursive_Directory_Iterator( $theme_dir );
+
+					// Exclude themes files
+					$iterator = new Ai1wm_Recursive_Exclude_Filter( $iterator, apply_filters( 'ai1wm_exclude_themes_from_export', ai1wm_theme_filters( $exclude_filters ) ) );
+
+					// Recursively iterate over themes directory
+					$iterator = new Ai1wm_Recursive_Iterator_Iterator( $iterator, RecursiveIteratorIterator::LEAVES_ONLY, RecursiveIteratorIterator::CATCH_GET_CHILD );
+
+					// Write path line
+					foreach ( $iterator as $item ) {
+						if ( $item->isFile() ) {
+							if ( ai1wm_putcsv( $themes_list, array( $iterator->getPathname(), $iterator->getSubPathname(), $iterator->getSize(), $iterator->getMTime() ) ) ) {
+								$total_themes_files_count++;
+
+								// Add current file size
+								$total_themes_files_size += $iterator->getSize();
+							}
+						}
+					}
+				}
+			}
+		}
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Theme files gathered.', 'all-in-one-wp-migration' ) );
+
+		// Set total themes files count
+		$params['total_themes_files_count'] = $total_themes_files_count;
+
+		// Set total themes files size
+		$params['total_themes_files_size'] = $total_themes_files_size;
+
+		// Close the themes list file
+		ai1wm_close( $themes_list );
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-init.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ * 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_Init {
+
+	public static function execute( $params ) {
+		$blog_id = null;
+
+		// Get subsite Blog ID
+		if ( isset( $params['options']['sites'] ) && ( $sites = $params['options']['sites'] ) ) {
+			if ( count( $sites ) === 1 ) {
+				$blog_id = array_shift( $sites );
+			}
+		}
+
+		do_action( 'ai1wm_status_export_init', $params );
+
+		// Set progress
+		Ai1wm_Status::info( __( 'Preparing to export...', 'all-in-one-wp-migration' ) );
+
+		// Set archive
+		if ( empty( $params['archive'] ) ) {
+			$params['archive'] = ai1wm_archive_file( $blog_id );
+		}
+
+		// Set storage
+		if ( empty( $params['storage'] ) ) {
+			$params['storage'] = ai1wm_storage_folder();
+		}
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-media.php

@@ -0,0 +1,239 @@
+<?php
+/**
+ * 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_Media {
+
+	public static function execute( $params ) {
+
+		// Set encrypt password
+		$encrypt_password = null;
+		if ( isset( $params['options']['encrypt_backups'], $params['options']['encrypt_password'] ) ) {
+			$encrypt_password = $params['options']['encrypt_password'];
+		}
+
+		// Set compression type
+		$compression_type = null;
+		if ( isset( $params['options']['compression_type'] ) ) {
+			$compression_type = $params['options']['compression_type'];
+		}
+
+		// 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 file bytes written
+		if ( isset( $params['file_bytes_written'] ) ) {
+			$file_bytes_written = (int) $params['file_bytes_written'];
+		} else {
+			$file_bytes_written = 0;
+		}
+
+		// Set media bytes offset
+		if ( isset( $params['media_bytes_offset'] ) ) {
+			$media_bytes_offset = (int) $params['media_bytes_offset'];
+		} else {
+			$media_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 media files size
+		if ( isset( $params['total_media_files_size'] ) ) {
+			$total_media_files_size = (int) $params['total_media_files_size'];
+		} else {
+			$total_media_files_size = 1;
+		}
+
+		// Get total media files count
+		if ( isset( $params['total_media_files_count'] ) ) {
+			$total_media_files_count = (int) $params['total_media_files_count'];
+		} else {
+			$total_media_files_count = 1;
+		}
+
+		// Set file CRC
+		if ( isset( $params['file_crc'] ) ) {
+			$file_crc = $params['file_crc'];
+		} else {
+			$file_crc = null;
+		}
+
+		// What percent of files have we processed?
+		$progress = (int) min( ( $processed_files_size / $total_media_files_size ) * 100, 100 );
+
+		// Set progress
+		/* translators: 1: Number of files, 2: Progress. */
+		Ai1wm_Status::info( sprintf( __( 'Archiving %1$d media files...<br />%2$d%% complete', 'all-in-one-wp-migration' ), $total_media_files_count, $progress ) );
+
+		// Flag to hold if file data has been processed
+		$completed = true;
+
+		// Start time
+		$start = microtime( true );
+
+		// Get media list file
+		$media_list = ai1wm_open( ai1wm_media_list_path( $params ), 'r' );
+
+		// Set the file pointer at the current index
+		if ( fseek( $media_list, $media_bytes_offset ) !== -1 ) {
+
+			// Open the archive file for writing
+			$archive = new Ai1wm_Compressor( ai1wm_archive_path( $params ), $encrypt_password, $compression_type );
+
+			// Set the file pointer to the one that we have saved
+			$archive->set_file_pointer( $archive_bytes_offset );
+
+			// Loop over files
+			while ( ( $row = ai1wm_getcsv( $media_list ) ) !== false ) {
+				list( $file_abspath, $file_relpath, $file_size, $file_mtime ) = $row;
+				$file_bytes_read = 0;
+
+				// Add file to archive
+				if ( ( $completed = $archive->add_file( $file_abspath, 'uploads' . DIRECTORY_SEPARATOR . $file_relpath, $file_bytes_read, $file_bytes_offset, $file_bytes_written, $file_crc ) ) ) {
+					$file_crc = null;
+
+					// Reset file bytes
+					$file_bytes_offset = $file_bytes_written = 0;
+
+					// Get media bytes offset
+					$media_bytes_offset = ftell( $media_list );
+				}
+
+				// Increment processed files size
+				$processed_files_size += $file_bytes_read;
+
+				// What percent of files have we processed?
+				$progress = (int) min( ( $processed_files_size / $total_media_files_size ) * 100, 100 );
+
+				// Set progress
+				/* translators: 1: Number of files, 2: Progress. */
+				Ai1wm_Status::info( sprintf( __( 'Archiving %1$d media files...<br />%2$d%% complete', 'all-in-one-wp-migration' ), $total_media_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 media list?
+		if ( feof( $media_list ) ) {
+
+			// Unset archive bytes offset
+			unset( $params['archive_bytes_offset'] );
+
+			// Unset file bytes offset
+			unset( $params['file_bytes_offset'] );
+
+			// Unset file bytes written
+			unset( $params['file_bytes_written'] );
+
+			// Unset media bytes offset
+			unset( $params['media_bytes_offset'] );
+
+			// Unset processed files size
+			unset( $params['processed_files_size'] );
+
+			// Unset total media files size
+			unset( $params['total_media_files_size'] );
+
+			// Unset total media files count
+			unset( $params['total_media_files_count'] );
+
+			// Unset file CRC
+			unset( $params['file_crc'] );
+
+			// 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 file bytes written
+			$params['file_bytes_written'] = $file_bytes_written;
+
+			// Set media bytes offset
+			$params['media_bytes_offset'] = $media_bytes_offset;
+
+			// Set processed files size
+			$params['processed_files_size'] = $processed_files_size;
+
+			// Set total media files size
+			$params['total_media_files_size'] = $total_media_files_size;
+
+			// Set total media files count
+			$params['total_media_files_count'] = $total_media_files_count;
+
+			// Set file CRC
+			$params['file_crc'] = $file_crc;
+
+			// Set completed flag
+			$params['completed'] = $completed;
+		}
+
+		// Close the media list file
+		ai1wm_close( $media_list );
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-plugins.php

@@ -0,0 +1,239 @@
+<?php
+/**
+ * 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_Plugins {
+
+	public static function execute( $params ) {
+
+		// Set encrypt password
+		$encrypt_password = null;
+		if ( isset( $params['options']['encrypt_backups'], $params['options']['encrypt_password'] ) ) {
+			$encrypt_password = $params['options']['encrypt_password'];
+		}
+
+		// Set compression type
+		$compression_type = null;
+		if ( isset( $params['options']['compression_type'] ) ) {
+			$compression_type = $params['options']['compression_type'];
+		}
+
+		// 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 file bytes written
+		if ( isset( $params['file_bytes_written'] ) ) {
+			$file_bytes_written = (int) $params['file_bytes_written'];
+		} else {
+			$file_bytes_written = 0;
+		}
+
+		// Set plugins bytes offset
+		if ( isset( $params['plugins_bytes_offset'] ) ) {
+			$plugins_bytes_offset = (int) $params['plugins_bytes_offset'];
+		} else {
+			$plugins_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 plugins files size
+		if ( isset( $params['total_plugins_files_size'] ) ) {
+			$total_plugins_files_size = (int) $params['total_plugins_files_size'];
+		} else {
+			$total_plugins_files_size = 1;
+		}
+
+		// Get total plugins files count
+		if ( isset( $params['total_plugins_files_count'] ) ) {
+			$total_plugins_files_count = (int) $params['total_plugins_files_count'];
+		} else {
+			$total_plugins_files_count = 1;
+		}
+
+		// Set file CRC
+		if ( isset( $params['file_crc'] ) ) {
+			$file_crc = $params['file_crc'];
+		} else {
+			$file_crc = null;
+		}
+
+		// What percent of files have we processed?
+		$progress = (int) min( ( $processed_files_size / $total_plugins_files_size ) * 100, 100 );
+
+		// Set progress
+		/* translators: 1: Number of files, 2: Progress. */
+		Ai1wm_Status::info( sprintf( __( 'Archiving %1$d plugin files...<br />%2$d%% complete', 'all-in-one-wp-migration' ), $total_plugins_files_count, $progress ) );
+
+		// Flag to hold if file data has been processed
+		$completed = true;
+
+		// Start time
+		$start = microtime( true );
+
+		// Get plugins list file
+		$plugins_list = ai1wm_open( ai1wm_plugins_list_path( $params ), 'r' );
+
+		// Set the file pointer at the current index
+		if ( fseek( $plugins_list, $plugins_bytes_offset ) !== -1 ) {
+
+			// Open the archive file for writing
+			$archive = new Ai1wm_Compressor( ai1wm_archive_path( $params ), $encrypt_password, $compression_type );
+
+			// Set the file pointer to the one that we have saved
+			$archive->set_file_pointer( $archive_bytes_offset );
+
+			// Loop over files
+			while ( ( $row = ai1wm_getcsv( $plugins_list ) ) !== false ) {
+				list( $file_abspath, $file_relpath, $file_size, $file_mtime ) = $row;
+				$file_bytes_read = 0;
+
+				// Add file to archive
+				if ( ( $completed = $archive->add_file( $file_abspath, 'plugins' . DIRECTORY_SEPARATOR . $file_relpath, $file_bytes_read, $file_bytes_offset, $file_bytes_written, $file_crc ) ) ) {
+					$file_crc = null;
+
+					// Reset file bytes
+					$file_bytes_offset = $file_bytes_written = 0;
+
+					// Get plugins bytes offset
+					$plugins_bytes_offset = ftell( $plugins_list );
+				}
+
+				// Increment processed files size
+				$processed_files_size += $file_bytes_read;
+
+				// What percent of files have we processed?
+				$progress = (int) min( ( $processed_files_size / $total_plugins_files_size ) * 100, 100 );
+
+				// Set progress
+				/* translators: 1: Number of files, 2: Progress. */
+				Ai1wm_Status::info( sprintf( __( 'Archiving %1$d plugin files...<br />%2$d%% complete', 'all-in-one-wp-migration' ), $total_plugins_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 plugins list?
+		if ( feof( $plugins_list ) ) {
+
+			// Unset archive bytes offset
+			unset( $params['archive_bytes_offset'] );
+
+			// Unset file bytes offset
+			unset( $params['file_bytes_offset'] );
+
+			// Unset file bytes written
+			unset( $params['file_bytes_written'] );
+
+			// Unset plugins bytes offset
+			unset( $params['plugins_bytes_offset'] );
+
+			// Unset processed files size
+			unset( $params['processed_files_size'] );
+
+			// Unset total plugins files size
+			unset( $params['total_plugins_files_size'] );
+
+			// Unset total plugins files count
+			unset( $params['total_plugins_files_count'] );
+
+			// Unset file CRC
+			unset( $params['file_crc'] );
+
+			// 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 file bytes written
+			$params['file_bytes_written'] = $file_bytes_written;
+
+			// Set plugins bytes offset
+			$params['plugins_bytes_offset'] = $plugins_bytes_offset;
+
+			// Set processed files size
+			$params['processed_files_size'] = $processed_files_size;
+
+			// Set total plugins files size
+			$params['total_plugins_files_size'] = $total_plugins_files_size;
+
+			// Set total plugins files count
+			$params['total_plugins_files_count'] = $total_plugins_files_count;
+
+			// Set file CRC
+			$params['file_crc'] = $file_crc;
+
+			// Set completed flag
+			$params['completed'] = $completed;
+		}
+
+		// Close the plugins list file
+		ai1wm_close( $plugins_list );
+
+		return $params;
+	}
+}

plugins/all-in-one-wp-migration/lib/model/export/class-ai1wm-export-themes.php

@@ -0,0 +1,239 @@
+<?php
+/**
+ * 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_Themes {
+
+	public static function execute( $params ) {
+
+		// Set encrypt password
+		$encrypt_password = null;
+		if ( isset( $params['options']['encrypt_backups'], $params['options']['encrypt_password'] ) ) {
+			$encrypt_password = $params['options']['encrypt_password'];
+		}
+
+		// Set compression type
+		$compression_type = null;
+		if ( isset( $params['options']['compression_type'] ) ) {
+			$compression_type = $params['options']['compression_type'];
+		}
+
+		// 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 file bytes written
+		if ( isset( $params['file_bytes_written'] ) ) {
+			$file_bytes_written = (int) $params['file_bytes_written'];
+		} else {
+			$file_bytes_written = 0;
+		}
+
+		// Set themes bytes offset
+		if ( isset( $params['themes_bytes_offset'] ) ) {
+			$themes_bytes_offset = (int) $params['themes_bytes_offset'];
+		} else {
+			$themes_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 themes files size
+		if ( isset( $params['total_themes_files_size'] ) ) {
+			$total_themes_files_size = (int) $params['total_themes_files_size'];
+		} else {
+			$total_themes_files_size = 1;
+		}
+
+		// Get total themes files count
+		if ( isset( $params['total_themes_files_count'] ) ) {
+			$total_themes_files_count = (int) $params['total_themes_files_count'];
+		} else {
+			$total_themes_files_count = 1;
+		}
+
+		// Set file CRC
+		if ( isset( $params['file_crc'] ) ) {
+			$file_crc = $params['file_crc'];
+		} else {
+			$file_crc = null;
+		}
+
+		// What percent of files have we processed?
+		$progress = (int) min( ( $processed_files_size / $total_themes_files_size ) * 100, 100 );
+
+		// Set progress
+		/* translators: 1: Number of files, 2: Progress. */
+		Ai1wm_Status::info( sprintf( __( 'Archiving %1$d theme files...<br />%2$d%% complete', 'all-in-one-wp-migration' ), $total_themes_files_count, $progress ) );
+
+		// Flag to hold if file data has been processed
+		$completed = true;
+
+		// Start time
+		$start = microtime( true );
+
+		// Get themes list file
+		$themes_list = ai1wm_open( ai1wm_themes_list_path( $params ), 'r' );
+
+		// Set the file pointer at the current index
+		if ( fseek( $themes_list, $themes_bytes_offset ) !== -1 ) {
+
+			// Open the archive file for writing
+			$archive = new Ai1wm_Compressor( ai1wm_archive_path( $params ), $encrypt_password, $compression_type );
+
+			// Set the file pointer to the one that we have saved
+			$archive->set_file_pointer( $archive_bytes_offset );
+
+			// Loop over files
+			while ( ( $row = ai1wm_getcsv( $themes_list ) ) !== false ) {
+				list( $file_abspath, $file_relpath, $file_size, $file_mtime ) = $row;
+				$file_bytes_read = 0;
+
+				// Add file to archive
+				if ( ( $completed = $archive->add_file( $file_abspath, 'themes' . DIRECTORY_SEPARATOR . $file_relpath, $file_bytes_read, $file_bytes_offset, $file_bytes_written, $file_crc ) ) ) {
+					$file_crc = null;
+
+					// Reset file bytes
+					$file_bytes_offset = $file_bytes_written = 0;
+
+					// Get themes bytes offset
+					$themes_bytes_offset = ftell( $themes_list );
+				}
+
+				// Increment processed files size
+				$processed_files_size += $file_bytes_read;
+
+				// What percent of files have we processed?
+				$progress = (int) min( ( $processed_files_size / $total_themes_files_size ) * 100, 100 );
+
+				// Set progress
+				/* translators: 1: Number of files, 2: Progress. */
+				Ai1wm_Status::info( sprintf( __( 'Archiving %1$d theme files...<br />%2$d%% complete', 'all-in-one-wp-migration' ), $total_themes_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 themes list?
+		if ( feof( $themes_list ) ) {
+
+			// Unset archive bytes offset
+			unset( $params['archive_bytes_offset'] );
+
+			// Unset file bytes offset
+			unset( $params['file_bytes_offset'] );
+
+			// Unset file bytes written
+			unset( $params['file_bytes_written'] );
+
+			// Unset themes bytes offset
+			unset( $params['themes_bytes_offset'] );
+
+			// Unset processed files size
+			unset( $params['processed_files_size'] );
+
+			// Unset total themes files size
+			unset( $params['total_themes_files_size'] );
+
+			// Unset total themes files count
+			unset( $params['total_themes_files_count'] );
+
+			// Unset file CRC
+			unset( $params['file_crc'] );
+
+			// 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 file bytes written
+			$params['file_bytes_written'] = $file_bytes_written;
+
+			// Set themes bytes offset
+			$params['themes_bytes_offset'] = $themes_bytes_offset;
+
+			// Set processed files size
+			$params['processed_files_size'] = $processed_files_size;
+
+			// Set total themes files size
+			$params['total_themes_files_size'] = $total_themes_files_size;
+
+			// Set total themes files count
+			$params['total_themes_files_count'] = $total_themes_files_count;
+
+			// Set file CRC
+			$params['file_crc'] = $file_crc;
+
+			// Set completed flag
+			$params['completed'] = $completed;
+		}
+
+		// Close the themes list file
+		ai1wm_close( $themes_list );
+
+		return $params;
+	}
+}