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home/infrafs/www/wp-content/plugins/ns-cloner-site-copier/ns-utils.php��0000644��00000044364�15132721003�0022144 0��ustar�00��<?php /** * Cloner utility functions. * * @package NS_Cloner / if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } /* * Organize a sequence of search/replace values. * * This orders values and adds new corrective search/replace pairs to avoid compounding replacement issues. * Note search and replace params are BY REFERENCE. * * @param array $search Strings of search text to sort/process. * @param array $replace Strings of replacement text to sort/process (keeping same order as $search of course so no mix ups). * @param bool $case_sensitive Whether search/replace will be case sensitive. * @return void / function ns_set_search_replace_sequence( &$search, &$replace, $case_sensitive = false ) { / * Sort string replacements by order longest to shortest to prevent a situation like * Source Site w/ url="neversettle.it",upload_dir="/neversettle.it/wp-content/uploads" and * Target Site w/url="blog.neversettle.it",upload_dir="/neversettle.it/wp-content/uploads/sites/2". * This could result in target upload_dir being "/blog.neversettle.it/wp-content/uploads" * id the url replacement is applied before upload_dir replacement. / $search_replace = array_combine( $search, $replace ); uksort( $search_replace, function( $a, $b ) { return strlen( $b ) - strlen( $a ); } ); $search = array_keys( $search_replace ); $new_search = $search; $replace = array_values( $search_replace ); $new_replace = $replace; / * If any search terms are found in replace terms which have already been inserted (ie came earlier in the find/replace sequence), remove this search term plus * its accompanying replacement from the string-based search/replace and a correction to change that replacement back again so replacements won't be compounded. * This prevents a situation like Source Site w/ title="Brown",url="brown.com" and Target Site w/ title="Brown Subsite",url="subsite.brown.com" * resulting in target urls like "subsite.Brown Subsite.com" when title replacement is applied after url replacement. / $fix_insertion_index = 1; foreach ( $search as $index => $search_text ) { // Figure out what the desired replace text is from other array in case we need it. $replace_text = $replace[ $index ]; // Get replacements earlier in array (which could've already been inserted into text so we need to watch out for them). $past_replacements = array_slice( $replace, 0, $index ); // Identify any of those replacements which the search text and save as array of conflicts. $conflicting_replacements = array_filter( $past_replacements, function ( $past_replace_text ) use ( $search_text, $case_sensitive ) { $search_func = $case_sensitive ? 'strpos' : 'stripos'; return false !== $search_func( $past_replace_text, $search_text ); } ); if ( ! empty( $conflicting_replacements ) ) { ns_cloner()->log->log( "Conflicting replacement found: search text '$search_text' appears in one or more previous replacement(s): '" . join( "','", $conflicting_replacements ) . "'" ); foreach ( $conflicting_replacements as $conflicting_replacement ) { // If it's an exact match, assume it's supposed to happen and skip fixing it. if ( $conflicting_replacement === $search_text ) { ns_cloner()->log->log( "Replacement is same as search for: '$search_text'. Taking no action." ); continue; } // Insert into the search/replace arrays right after the current item which will produce the bad replacement. $replace_func = $case_sensitive ? 'str_replace' : 'str_ireplace'; $conflicting_search = $replace_func( $search_text, $replace_text, $conflicting_replacement ); array_splice( $new_search, $fix_insertion_index, 0, $conflicting_search ); array_splice( $new_replace, $fix_insertion_index, 0, $conflicting_replacement ); $fix_insertion_index ++; } } $fix_insertion_index ++; } // Update variables by reference - no return needed. $search = $new_search; $replace = $new_replace; } /* * Recursively search and replace * * @param mixed $data String or array which to do search/replace on - passed by reference. * @param array $search Strings to look for. * @param array $replace Replacements for $search values. * @param bool $case_sensitive Whether string search should be case sensitive. * * @return int number of replacements made / function ns_recursive_search_replace( &$data, $search, $replace, $case_sensitive = false ) { $was_serialized = is_serialized( $data ); $data = maybe_unserialize( $data ); $replacement_count = 0; // Run through replacements for different data types. if ( is_array( $data ) ) { foreach ( $data as $key => $value ) { $replacement_count += ns_recursive_search_replace( $data[ $key ], $search, $replace, $case_sensitive ); } } elseif ( is_object( $data ) ) { foreach ( $data as $key => $value ) { $replacement_count += ns_recursive_search_replace( $data->$key, $search, $replace, $case_sensitive ); } } elseif ( is_string( $data ) ) { $replace_func = $case_sensitive ? 'str_replace' : 'str_ireplace'; $data = $replace_func( $search, $replace, $data, $replacement_count ); } // Reserialize if it was serialized originally. if ( $was_serialized ) { $data = serialize( $data ); } // Return number of replacements made for informational/reporting purposes. return $replacement_count; } /* * Copy directories and files recursively by queueing them in a background process * * Skip directories called 'sites' to avoid copying all sites storage in WP > 3.5 * * @param string $src Source directory path. * @param string $dst Destination directory path (Relative). * @param WP_Background_Process $process Background process to use for queueing files. * @param int $num File number in queue. * @return int Number of files found / function ns_recursive_dir_copy_by_process( $src, $dst, $process, $num = 0 ) { if ( is_dir( $src ) ) { $files = scandir( $src ); // Specify items to ignore when copying. $ignore = apply_filters( 'ns_cloner_dir_copy_ignore', [ 'sites', '.', '..' ] ); // Recursively copy files that aren't in the ignore array. foreach ( $files as $file ) { if ( ! in_array( $file, $ignore, true ) ) { $num += ns_recursive_dir_copy_by_process( "$src/$file", "$dst/$file", $process, $num ); } } } elseif ( file_exists( $src ) ) { $file = [ 'number' => ++ $num, 'source' => $src, 'destination' => $dst, ]; $process->push_to_queue( $file ); } return $num; } /* * Validate a potential new site and return an array of error messages. * * We used to use wpmu_validate_blog_signup here, but that caused too many issues due to the extra * validation place on front-end signups vs. admin creations (cloning should have the same rules * that apply to an admin in Sites > Add New, not front end registration). * * This is now a custom combination of logic from site-new.php and wpmu_validate_blog_signup(). * * @param string $site_name Domain/subdirectory of new site. * @param string $site_title Title of new site. * @return array / function ns_wp_validate_site( $site_name, $site_title ) { global $domain; $errors = []; // Preempt any spaces and uppercase chars. $site_name = strtolower( trim( $site_name ) ); // Require some name. if ( empty( $site_name ) ) { $errors[] = __( 'Site URL is required.', 'ns-cloner-site-copier' ); } elseif ( ! preg_match( '\|^([a-z0-9-])+$\|', $site_name ) ) { $errors[] = __( 'Site URLs can only contain letters (a-z), numbers and hyphens.', 'ns-cloner-site-copier' ); } if ( is_multisite() ) { // Check if the domain/path has been used already. $current_network = get_network(); $base = $current_network->path; if ( is_subdomain_install() ) { $mydomain = $site_name . '.' . preg_replace( '\|^www\.\|', '', $domain ); $path = $base; } else { $mydomain = "$site_name"; $path = $base . $site_name . '/'; } if ( domain_exists( $mydomain, $path, get_network()->id ) ) { $errors[] = __('Sorry, that site already exists!', 'ns-cloner-site-copier'); } // Validate against WP illegal / reserved names. $illegal_names = get_site_option( 'illegal_names', [] ); $illegal_dirs = get_subdirectory_reserved_names(); $illegal_values = is_subdomain_install() ? $illegal_names : array_merge ( $illegal_names, $illegal_dirs ); if ( in_array ( $site_name, $illegal_values ) ) { $errors[] = __('That URL is reserved by WordPress.', 'ns-cloner-site-copier'); } } // Require some title. if ( empty( $site_title ) ) { $errors[] = __( 'A site title is required', 'ns-cloner-site-copier' ); } return apply_filters( 'ns_cloner_validate_site_errors', $errors, $site_name, $site_title ); } /* * Get a list of sites with formatted labels for select element * * @return array / function ns_wp_get_sites_list() { $list = []; if ( function_exists( 'get_sites' ) ) { // Get sites for WP 4.6 and later. $sites = get_sites( [ 'number' => 9999 ] ); } elseif ( function_exists( 'wp_get_sites' ) ) { // Get sites for WP 4.5 and earlier, and map results to objects instead of arrays. $sites = wp_get_sites( [ 'limit' => 9999 ] ); foreach ( $sites as $index => $site ) { $sites[ $index ] = (object) $site; } } else { // Not multisite, or really ancient. $sites = []; } // Loop through sites and prepare labels. if ( count( $sites ) > 500 ) { // For networks with more than 500 sites, show fewer details to avoid extra queries. foreach ( $sites as $site ) { $list[ $site->blog_id ] = ( is_subdomain_install() ? $site->domain : $site->path ) . ' - ID:' . $site->blog_id; } } else { // For smaller networks, show more detailed results. foreach ( $sites as $site ) { $details = get_blog_details( $site->blog_id ); $name = substr( $details->blogname, 0, 30 ); $list[ $site->blog_id ] = $name . ' - ' . ns_short_url( $details->siteurl ) . ' - ID:' . $site->blog_id; } } return apply_filters( 'ns_cloner_sites_list', $list ); } /* * Get allowed HTML elements and attributes to use with wp_kses * * @return array / function ns_wp_kses_allowed() { return [ 'a' => [ 'href' => [], 'target' => [], 'class' => [], ], 'em' => [], 'code' => [], ]; } /* * Remove protocol and trailing slash from URL for display * * @param string $url URL to shorten. * @return string / function ns_short_url( $url ) { return untrailingslashit( str_replace( [ 'https://', 'http://', '//' ], '', $url ) ); } /* * Get the link for a specific site/blog, with blogname as the anchor text * * @param mixed $site_id ID of blog/site, or array of IDs. * @param bool $html Whether to return an HTML link, or just the url. * @return string / function ns_site_link( $site_id = null, $html = true ) { // Force html off for CLI report messages. if ( defined( 'WP_CLI' ) && WP_CLI ) { $html = false; } if ( is_multisite() && ( is_numeric( $site_id ) \|\| is_array( $site_id ) ) ) { // Multisite. $links = []; $site_ids = is_array( $site_id ) ? $site_id : [ $site_id ]; foreach ( $site_ids as $id ) { $details = get_blog_details( $id ); $links[] = $html ? "<a href='{$details->siteurl}' target='_blank'>{$details->blogname}</a>" : $details->siteurl; } return join( ', ', $links ); } else { // Single site. return $html ? '<a href="' . site_url() . '" target="_blank">' . get_bloginfo( 'name' ) . '</a>' : site_url(); } } /* * Generate a create statement for a table that's going to be cloned * * This removes any constraints / foreign keys from the query to prevent conflicts, * and then adds them back at the end with alter table statements. The prefixes have * to be provided separately, because we could have a temp target table name, but * still want to name the constraint properly with the final target prefix. * * @param string $source_table Name of table to use for defining the structure. * @param string $target_table Name of new table to create. * @param string $source_prefix DB prefix for source site. * @param string $target_prefix DB prefix for target site. * @return string / function ns_sql_create_table_query( $source_table, $target_table, $source_prefix, $target_prefix ) { // Create cloned table structure. $query = ns_cloner()->db->get_var( "SHOW CREATE TABLE `$source_table`", 1 ); $newline = '(?:\r\|\n\|\r\n)'; $view = '/^CREATE (.) VIEW/'; $constraint = "/,$newline+\s((?:CONSTRAINT\|FOREIGN\s+KEY).+?)(?=,?$newline)/"; $raw_target_prefix = $target_prefix; $target_prefix = apply_filters( 'ns_cloner_target_table', $target_prefix ); // Handle views, by creating at end after real tables are copied, and returning blank query for now. if ( preg_match( $view, $query ) ) { ns_cloner()->log->log( "DETECTING that table $source_table* is a view. Skipping." ); // Replace prefix for other table names that view refers to. if ( ! apply_filters( 'ns_cloner_skip_views', false ) ) { $view_query = str_replace ("`$source_prefix", "`$target_prefix", $query ); ns_cloner()->process_manager->add_finish_query( $view_query, 200 ); } return ''; } // Match all constraints / foreign keys in create table query. preg_match_all( $constraint, $query, $constraint_matches ); // Save constraints to be applied later in alter table queries. if ( ! apply_filters( 'ns_cloner_skip_constraints', false ) ) { foreach ( $constraint_matches[1] as $constraint_def ) { // Redefine final target table name based on source, instead of using $target_table, // because for teleport and clone over, $target_table will have a temp prefix that shouldn't be in alter query. $constraint_table = preg_replace("\|^$source_prefix\|", $raw_target_prefix, $source_table); // Rename prefixes in constraint. Can't look for a backquote before the prefix (assume prefix is at beginning), // because some plugins like Woo add extra prefixes like fk_{wpdb_prefix}_something, etc. $constraint_def = str_replace($source_prefix, $raw_target_prefix, $constraint_def); // Store alter query in site_options. Use high priority to make sure it executes after all table renames. ns_cloner()->process_manager->add_finish_query( "ALTER TABLE `$constraint_table` ADD $constraint_def;", 100 ); } } // Now remove constraint statements from the create table query. $query = preg_replace( $constraint, '', $query ); // And rename it to create the new target table. $query = str_replace( "$source_table", "$target_table", $query ); ns_cloner()->log->log( [ "GENERATING create table query for $target_table:", $query ] ); return $query; } /** * Add backquotes to tables and db names in SQL queries from phpMyAdmin. * * @param mixed $value Data to wrap in backquotes. * @return mixed / function ns_sql_backquote( $value ) { if ( ! empty( $value ) && '' !== $value ) { if ( is_array( $value ) ) { return array_map( 'ns_sql_backquote', $value ); } elseif ( 0 !== strpos( $value, '`' ) ) { return '`' . $value . '`'; } } return $value; } /** * Quote/format value(s) correctly for being used in an insert query * * @param mixed $value Data to wrap in quotes. * @return mixed / function ns_sql_quote( $value ) { if ( is_array( $value ) ) { return array_map( 'ns_sql_quote', $value ); } else { if ( is_null( $value ) ) { return 'NULL'; } else { return "'" . esc_sql( $value ) . "'"; } } } /* * Get a MySQL variable. [Originally from the Diagnosis plugin by Gary Jones] * * @param string $variable MySQL variable name to get. * @param mixed $default Default if variable isn't found. * @return string / function ns_get_sql_variable( $variable, $default = '' ) { $result = ns_cloner()->db->get_row( "SHOW VARIABLES LIKE '$variable';", ARRAY_A ); return isset( $result['Value'] ) && $result['Value'] ? $result['Value'] : $default; } /* * Auto-insert the proper multisite-compatible table and column values into an option query * * @param string $query SQL options/sitemeta query to make replacements on. * @param array $args Arguments to pass to wpdb::prepare. * @return string\|array / function ns_prepare_option_query( $query, $args = [] ) { $details = [ '{table}' => is_multisite() ? ns_cloner()->db->sitemeta : ns_cloner()->db->options, '{id}' => is_multisite() ? 'meta_id' : 'option_id', '{key}' => is_multisite() ? 'meta_key' : 'option_name', '{value}' => is_multisite() ? 'meta_value' : 'option_value', ]; // Replace table/column references with actual values based on whether this is multisite or no. $query = str_replace( array_keys( $details ), array_values( $details ), $query ); // Run normal db query prep. $query = ns_cloner()->db->prepare( $query, $args ); return $query; } /* * Take a row of data and return the correct placeholders for a prepared statement. * * Use WPDB defined format for default wp table columns, or default to string. * * @param array $row Data to get placeholders for. * @param string $table Table name. * @return array / function ns_prepare_row_formats( &$row, $table ) { $formats = []; foreach ( $row as $field => $value ) { if ( is_null( $value ) ) { $formats[] = 'NULL'; unset( $row[$field] ); } else { $formats[] = apply_filters( 'ns_cloner_row_format', '%s', $field, $table ); } } return $formats; } /* * Organize a list of tables in execution order. * * Right now that just means putting sitemeta or options first, so that its row count * can get counted accurately before the Cloner starts adding temp batch data to it. * * @param string[] $tables List of table names. * @return string[] */ function ns_reorder_tables( $tables ) { $options_index = null; foreach ( $tables as $i => $table ) { if ( preg_match( '/(options\|sitemeta)$/', $table ) ) { $options_index = $i; } } if ( null !== $options_index ) { $value = $tables[ $options_index ]; unset( $tables[ $options_index ] ); array_unshift( $tables, $value ); } return $tables; }��

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