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search-replace.php
214 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Modifications by: Mikołaj `iClyde` Chodorowski |
| 5 | * Modified by e-mail contact: kontakt@iclyde.pl |
| 6 | * Package: Safe Search and Replace on Database with Serialized Data v2.0.1 |
| 7 | * |
| 8 | * Please contact above e-mail if you see any credits problem. |
| 9 | */ |
| 10 | |
| 11 | // Namespace |
| 12 | namespace BMI\Plugin\Database; |
| 13 | |
| 14 | // Use |
| 15 | use BMI\Plugin\BMI_Logger AS Logger; |
| 16 | use BMI\Plugin\Backup_Migration_Plugin as BMP; |
| 17 | use BMI\Plugin\Progress\BMI_ZipProgress AS Progress; |
| 18 | |
| 19 | // Exit on direct access |
| 20 | if (!defined('ABSPATH')) exit; |
| 21 | |
| 22 | /** |
| 23 | * Database Search and Replace for Enginge v3 |
| 24 | */ |
| 25 | class BMI_Search_Replace_Engine { |
| 26 | |
| 27 | function __construct($tables, $currentPage = 0, $totalPages = 0, $isStaging = false) { |
| 28 | |
| 29 | $this->totalPages = $totalPages; |
| 30 | $this->currentPage = $currentPage; |
| 31 | $this->all_tables = $tables; |
| 32 | $this->isStaging = $isStaging; |
| 33 | |
| 34 | } |
| 35 | |
| 36 | public function perform($search, $replace, $limitColumns = false) { |
| 37 | |
| 38 | return $this->search_replace($search, $replace, $this->all_tables, $limitColumns); |
| 39 | |
| 40 | } |
| 41 | |
| 42 | private function recursive_unserialize_replace($from = '', $to = '', $data = '', $serialised = false) { |
| 43 | |
| 44 | try { |
| 45 | |
| 46 | if (is_string($data) && is_serialized($data) && ($unserialized = @maybe_unserialize($data)) !== false) { |
| 47 | |
| 48 | $data = $this->recursive_unserialize_replace($from, $to, $unserialized, true); |
| 49 | |
| 50 | } else if (is_array($data)) { |
| 51 | |
| 52 | $_tmp = []; |
| 53 | foreach ($data as $key => $value) { |
| 54 | $_tmp[$key] = $this->recursive_unserialize_replace($from, $to, $value, false); |
| 55 | } |
| 56 | |
| 57 | $data = $_tmp; |
| 58 | unset($_tmp); |
| 59 | |
| 60 | } else if (is_string($data)) $data = str_replace($from, $to, $data); |
| 61 | |
| 62 | if ($serialised) return serialize($data); |
| 63 | |
| 64 | } |
| 65 | catch (\Exception $error) {} |
| 66 | catch (\Throwable $error) {} |
| 67 | |
| 68 | return $data; |
| 69 | |
| 70 | } |
| 71 | |
| 72 | private function search_replace($search = '', $replace = '', $tables = [], $limitColumns = false) { |
| 73 | |
| 74 | global $wpdb; |
| 75 | |
| 76 | $excluded_columns = ['id', 'ID']; |
| 77 | $report = ['tables' => 0, 'rows' => 0, 'change' => 0, 'updates' => 0, 'currentPage' => 0, 'totalPages' => 0]; |
| 78 | |
| 79 | if ($this->currentPage !== 0 && is_numeric($this->currentPage)) { |
| 80 | $report['currentPage'] = $this->currentPage; |
| 81 | } |
| 82 | |
| 83 | if ($this->totalPages !== 0 && is_numeric($this->totalPages)) { |
| 84 | $report['totalPages'] = $this->totalPages; |
| 85 | } |
| 86 | |
| 87 | if (is_array($tables) && !empty($tables)) { |
| 88 | |
| 89 | $wpdb->show_errors(); |
| 90 | |
| 91 | foreach($tables as $table) { |
| 92 | |
| 93 | $report['tables']++; |
| 94 | $columns = []; |
| 95 | |
| 96 | $fields = $wpdb->get_results('DESCRIBE ' . $table); |
| 97 | foreach ($fields as $index => $object) { |
| 98 | $columns[$object->Field] = $object->Key == 'PRI' ? true : false; |
| 99 | } |
| 100 | |
| 101 | $fieldsForWhereStmt = []; |
| 102 | |
| 103 | foreach ($fields as $index => $columnInfo) { |
| 104 | $type = strtolower($columnInfo->Type); |
| 105 | if (strpos($type, 'char') !== false || strpos($type, 'text') !== false) { |
| 106 | $column = mysqli_real_escape_string($wpdb->dbh, $columnInfo->Field); |
| 107 | if (!in_array($column, $fieldsForWhereStmt)) { |
| 108 | $fieldsForWhereStmt[] = $column; |
| 109 | } |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | $whereStmt = ''; |
| 114 | $totalColumns = sizeof($fieldsForWhereStmt); |
| 115 | for ($i = 0; $i < $totalColumns; ++$i) { |
| 116 | $column = $fieldsForWhereStmt[$i]; |
| 117 | if ($i == 0) $whereStmt .= ' WHERE '; |
| 118 | // if ($this->isStaging) { |
| 119 | $whereStmt .= '(`' . $column . '`' . ' LIKE ' . '"%' . mysqli_real_escape_string($wpdb->dbh, $search) . '%"'; |
| 120 | $whereStmt .= ' AND `' . $column . '`' . ' NOT LIKE ' . '"%' . mysqli_real_escape_string($wpdb->dbh, $replace) . '%")'; |
| 121 | // } else { |
| 122 | // $whereStmt .= '`' . $column . '`' . ' LIKE ' . '"%' . mysqli_real_escape_string($wpdb->dbh, $search) . '%"'; |
| 123 | // } |
| 124 | if ($i != $totalColumns - 1) $whereStmt .= ' OR '; |
| 125 | } |
| 126 | |
| 127 | if ($whereStmt === '') continue; |
| 128 | $row_count = $wpdb->get_results('SELECT COUNT(*) AS num FROM `' . $table . '`' . $whereStmt); |
| 129 | $row_count = $row_count[0]->num; |
| 130 | if ($row_count == 0) { |
| 131 | $report['currentPage'] = $report['currentPage'] + 1; |
| 132 | continue; |
| 133 | } |
| 134 | |
| 135 | $page_size = BMI_MAX_SEARCH_REPLACE_PAGE; |
| 136 | $pages = ceil($row_count / $page_size); |
| 137 | $page = 0; |
| 138 | |
| 139 | if ($report['totalPages'] === 0) { |
| 140 | $report['totalPages'] = $pages; |
| 141 | } |
| 142 | |
| 143 | for ($page; $page < $pages; $page++) { |
| 144 | |
| 145 | $report['currentPage'] = $report['currentPage'] + 1; |
| 146 | |
| 147 | $current_row = 0; |
| 148 | $start = $page * $page_size; |
| 149 | $end = $start + $page_size; |
| 150 | |
| 151 | $data = $wpdb->get_results(sprintf('SELECT * FROM %s%s LIMIT %d, %d', $table, $whereStmt, $start, $end)); |
| 152 | for ($i = 0; $i < sizeof($data); ++$i) { |
| 153 | |
| 154 | $row = $data[$i]; |
| 155 | $report['rows']++; |
| 156 | $current_row++; |
| 157 | |
| 158 | $update_sql = []; |
| 159 | $where_sql = []; |
| 160 | $upd = false; |
| 161 | |
| 162 | foreach ($columns as $column => $primary_key) { |
| 163 | |
| 164 | if ($limitColumns != false) { |
| 165 | if (!in_array($column, $limitColumns)) continue; |
| 166 | } |
| 167 | if (in_array($column, $excluded_columns)) continue; |
| 168 | if (!in_array($column, $fieldsForWhereStmt)) continue; |
| 169 | |
| 170 | $edited_data = $data_to_fix = $row->$column; |
| 171 | $edited_data = $this->recursive_unserialize_replace($search, $replace, $data_to_fix); |
| 172 | |
| 173 | if ($edited_data != $data_to_fix) { |
| 174 | $report['change']++; |
| 175 | $update_sql[] = '`' . $column . '`' . ' = "' . mysqli_real_escape_string($wpdb->dbh, $edited_data) . '"'; |
| 176 | $upd = true; |
| 177 | $where_sql[] = '`' . $column . '`' . ' = "' . mysqli_real_escape_string($wpdb->dbh, $data_to_fix) . '"'; |
| 178 | } |
| 179 | |
| 180 | } |
| 181 | |
| 182 | if ($upd && !empty($where_sql)) { |
| 183 | $sql = 'UPDATE ' . $table . ' SET ' . implode(', ', $update_sql) . ' WHERE ' . implode(' AND ', array_filter($where_sql)); |
| 184 | $results = $wpdb->get_results($sql); |
| 185 | |
| 186 | unset($sql); |
| 187 | |
| 188 | $report['updates']++; |
| 189 | |
| 190 | if ($wpdb->last_error !== '') { |
| 191 | // error_log(strval($wpdb->last_query)); |
| 192 | // error_log(strval($wpdb->last_result)); |
| 193 | // error_log(strval($wpdb->last_error)); |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | unset($row); |
| 198 | |
| 199 | } |
| 200 | |
| 201 | unset($data); |
| 202 | return $report; |
| 203 | |
| 204 | } |
| 205 | |
| 206 | } |
| 207 | |
| 208 | } |
| 209 | |
| 210 | return $report; |
| 211 | } |
| 212 | |
| 213 | } |
| 214 |