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PHP Cross Reference of MyBB 1.8.38 |
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1 <?php 2 /** 3 * MyBB 1.8 4 * Copyright 2014 MyBB Group, All Rights Reserved 5 * 6 * Website: http://www.mybb.com 7 * License: http://www.mybb.com/about/license 8 * 9 */ 10 11 // Disallow direct access to this file for security reasons 12 if(!defined("IN_MYBB")) 13 { 14 die("Direct initialization of this file is not allowed.<br /><br />Please make sure IN_MYBB is defined."); 15 } 16 17 /** 18 * Allows us to refresh cache to prevent over flowing 19 * 20 * @param resource $fp 21 * @param string $contents 22 */ 23 function clear_overflow($fp, &$contents) 24 { 25 global $mybb; 26 27 if($mybb->input['method'] == 'disk') 28 { 29 if($mybb->input['filetype'] == 'gzip') 30 { 31 gzwrite($fp, $contents); 32 } 33 else 34 { 35 fwrite($fp, $contents); 36 } 37 } 38 else 39 { 40 if($mybb->input['filetype'] == "gzip") 41 { 42 echo gzencode($contents); 43 } 44 else 45 { 46 echo $contents; 47 } 48 } 49 50 $contents = ''; 51 } 52 53 $page->add_breadcrumb_item($lang->database_backups, "index.php?module=tools-backupdb"); 54 55 $plugins->run_hooks("admin_tools_backupdb_begin"); 56 57 if($mybb->input['action'] == "dlbackup") 58 { 59 if(empty($mybb->input['file'])) 60 { 61 flash_message($lang->error_file_not_specified, 'error'); 62 admin_redirect("index.php?module=tools-backupdb"); 63 } 64 65 $plugins->run_hooks("admin_tools_backupdb_dlbackup"); 66 67 $file = basename($mybb->input['file']); 68 $ext = get_extension($file); 69 70 if(file_exists(MYBB_ADMIN_DIR.'backups/'.$file) && filetype(MYBB_ADMIN_DIR.'backups/'.$file) == 'file' && ($ext == 'gz' || $ext == 'sql')) 71 { 72 $plugins->run_hooks("admin_tools_backupdb_dlbackup_commit"); 73 74 // Log admin action 75 log_admin_action($file); 76 77 header('Content-disposition: attachment; filename='.$file); 78 header("Content-type: ".$ext); 79 header("Content-length: ".filesize(MYBB_ADMIN_DIR.'backups/'.$file)); 80 81 $handle = fopen(MYBB_ADMIN_DIR.'backups/'.$file, 'rb'); 82 while(!feof($handle)) 83 { 84 echo fread($handle, 8192); 85 } 86 fclose($handle); 87 } 88 else 89 { 90 flash_message($lang->error_invalid_backup, 'error'); 91 admin_redirect("index.php?module=tools-backupdb"); 92 } 93 } 94 95 if($mybb->input['action'] == "delete") 96 { 97 if($mybb->get_input('no')) 98 { 99 admin_redirect("index.php?module=tools-backupdb"); 100 } 101 102 $file = basename($mybb->input['file']); 103 $ext = get_extension($file); 104 105 if(!trim($mybb->input['file']) || !file_exists(MYBB_ADMIN_DIR.'backups/'.$file) || filetype(MYBB_ADMIN_DIR.'backups/'.$file) != 'file' || ($ext != 'gz' && $ext != 'sql')) 106 { 107 flash_message($lang->error_backup_doesnt_exist, 'error'); 108 admin_redirect("index.php?module=tools-backupdb"); 109 } 110 111 $plugins->run_hooks("admin_tools_backupdb_delete"); 112 113 if($mybb->request_method == "post") 114 { 115 $delete = @unlink(MYBB_ADMIN_DIR.'backups/'.$file); 116 117 if($delete) 118 { 119 $plugins->run_hooks("admin_tools_backupdb_delete_commit"); 120 121 // Log admin action 122 log_admin_action($file); 123 124 flash_message($lang->success_backup_deleted, 'success'); 125 admin_redirect("index.php?module=tools-backupdb"); 126 } 127 else 128 { 129 flash_message($lang->error_backup_not_deleted, 'error'); 130 admin_redirect("index.php?module=tools-backupdb"); 131 } 132 } 133 else 134 { 135 $page->output_confirm_action("index.php?module=tools-backupdb&action=delete&file={$mybb->input['file']}", $lang->confirm_backup_deletion); 136 } 137 } 138 139 if($mybb->input['action'] == "backup") 140 { 141 $plugins->run_hooks("admin_tools_backupdb_backup"); 142 143 if($mybb->request_method == "post") 144 { 145 if(empty($mybb->input['tables']) || !is_array($mybb->input['tables'])) 146 { 147 flash_message($lang->error_tables_not_selected, 'error'); 148 admin_redirect("index.php?module=tools-backupdb&action=backup"); 149 } 150 151 @set_time_limit(0); 152 153 // create an array with table prefix appended for checks, as full table names are accepted 154 $binary_fields_prefixed = array(); 155 foreach($mybb->binary_fields as $table => $fields) 156 { 157 $binary_fields_prefixed[TABLE_PREFIX.$table] = $fields; 158 } 159 160 if($mybb->input['method'] == 'disk') 161 { 162 $file = MYBB_ADMIN_DIR.'backups/backup_'.date("_Ymd_His_").random_str(16); 163 164 if($mybb->input['filetype'] == 'gzip') 165 { 166 if(!function_exists('gzopen')) // check zlib-ness 167 { 168 flash_message($lang->error_no_zlib, 'error'); 169 admin_redirect("index.php?module=tools-backupdb&action=backup"); 170 } 171 172 $fp = gzopen($file.'.incomplete.sql.gz', 'w9'); 173 } 174 else 175 { 176 $fp = fopen($file.'.incomplete.sql', 'w'); 177 } 178 } 179 else 180 { 181 $file = 'backup_'.substr(md5($mybb->user['uid'].TIME_NOW), 0, 10).random_str(54); 182 if($mybb->input['filetype'] == 'gzip') 183 { 184 if(!function_exists('gzopen')) // check zlib-ness 185 { 186 flash_message($lang->error_no_zlib, 'error'); 187 admin_redirect("index.php?module=tools-backupdb&action=backup"); 188 } 189 190 // Send headers for gzip file 191 header('Content-Type: application/x-gzip'); 192 header('Content-Disposition: attachment; filename="'.$file.'.sql.gz"'); 193 } 194 else 195 { 196 // Send standard headers for .sql 197 header('Content-Type: text/x-sql'); 198 header('Content-Disposition: attachment; filename="'.$file.'.sql"'); 199 } 200 } 201 $db->set_table_prefix(''); 202 203 $time = date('dS F Y \a\t H:i', TIME_NOW); 204 $header = "-- MyBB Database Backup\n-- Generated: {$time}\n-- -------------------------------------\n\n"; 205 $contents = $header; 206 foreach($mybb->input['tables'] as $table) 207 { 208 if(!$db->table_exists($db->escape_string($table))) 209 { 210 continue; 211 } 212 if($mybb->input['analyzeoptimize'] == 1) 213 { 214 $db->optimize_table($table); 215 $db->analyze_table($table); 216 } 217 218 $field_list = array(); 219 $fields_array = $db->show_fields_from($table); 220 foreach($fields_array as $field) 221 { 222 $field_list[] = $field['Field']; 223 } 224 225 $fields = "`".implode("`,`", $field_list)."`"; 226 if($mybb->input['contents'] != 'data') 227 { 228 $structure = $db->show_create_table($table).";\n"; 229 $contents .= $structure; 230 231 if(isset($fp)) 232 { 233 clear_overflow($fp, $contents); 234 } 235 } 236 237 if($mybb->input['contents'] != 'structure') 238 { 239 if($db->engine == 'mysqli') 240 { 241 $query = mysqli_query($db->read_link, "SELECT * FROM {$db->table_prefix}{$table}", MYSQLI_USE_RESULT); 242 } 243 else 244 { 245 $query = $db->simple_select($table); 246 } 247 248 while($row = $db->fetch_array($query)) 249 { 250 $insert = "INSERT INTO {$table} ($fields) VALUES ("; 251 $comma = ''; 252 foreach($field_list as $field) 253 { 254 if(!isset($row[$field]) || is_null($row[$field])) 255 { 256 $insert .= $comma."NULL"; 257 } 258 else 259 { 260 if($db->engine == 'mysqli') 261 { 262 if(!empty($binary_fields_prefixed[$table][$field])) 263 { 264 $insert .= $comma."X'".mysqli_real_escape_string($db->read_link, bin2hex($row[$field]))."'"; 265 } 266 else 267 { 268 $insert .= $comma."'".mysqli_real_escape_string($db->read_link, $row[$field])."'"; 269 } 270 } 271 else 272 { 273 if(!empty($binary_fields_prefixed[$table][$field])) 274 { 275 $insert .= $comma.$db->escape_binary($db->unescape_binary($row[$field])); 276 } 277 else 278 { 279 $insert .= $comma."'".$db->escape_string($row[$field])."'"; 280 } 281 } 282 } 283 $comma = ','; 284 } 285 $insert .= ");\n"; 286 $contents .= $insert; 287 288 if(isset($fp)) 289 { 290 clear_overflow($fp, $contents); 291 } 292 } 293 $db->free_result($query); 294 } 295 } 296 297 $db->set_table_prefix(TABLE_PREFIX); 298 299 if($mybb->input['method'] == 'disk') 300 { 301 if($mybb->input['filetype'] == 'gzip') 302 { 303 gzwrite($fp, $contents); 304 gzclose($fp); 305 rename($file.'.incomplete.sql.gz', $file.'.sql.gz'); 306 } 307 else 308 { 309 fwrite($fp, $contents); 310 fclose($fp); 311 rename($file.'.incomplete.sql', $file.'.sql'); 312 } 313 314 if($mybb->input['filetype'] == 'gzip') 315 { 316 $ext = '.sql.gz'; 317 } 318 else 319 { 320 $ext = '.sql'; 321 } 322 323 $plugins->run_hooks("admin_tools_backupdb_backup_disk_commit"); 324 325 // Log admin action 326 log_admin_action("disk", $file.$ext); 327 328 $file_from_admindir = 'index.php?module=tools-backupdb&action=dlbackup&file='.basename($file).$ext; 329 flash_message("<span><em>{$lang->success_backup_created}</em></span><p>{$lang->backup_saved_to}<br />{$file}{$ext} (<a href=\"{$file_from_admindir}\">{$lang->download}</a>)</p>", 'success'); 330 admin_redirect("index.php?module=tools-backupdb"); 331 } 332 else 333 { 334 $plugins->run_hooks("admin_tools_backupdb_backup_download_commit"); 335 336 // Log admin action 337 log_admin_action("download"); 338 339 if($mybb->input['filetype'] == 'gzip') 340 { 341 echo gzencode($contents); 342 } 343 else 344 { 345 echo $contents; 346 } 347 } 348 349 exit; 350 } 351 352 $page->extra_header = " <script type=\"text/javascript\"> 353 function changeSelection(action, prefix) 354 { 355 var select_box = document.getElementById('table_select'); 356 357 for(var i = 0; i < select_box.length; i++) 358 { 359 if(action == 'select') 360 { 361 select_box[i].selected = true; 362 } 363 else if(action == 'deselect') 364 { 365 select_box[i].selected = false; 366 } 367 else if(action == 'forum' && prefix != 0) 368 { 369 select_box[i].selected = false; 370 var row = select_box[i].value; 371 var subString = row.substring(prefix.length, 0); 372 if(subString == prefix) 373 { 374 select_box[i].selected = true; 375 } 376 } 377 } 378 } 379 </script>\n"; 380 381 $page->add_breadcrumb_item($lang->new_database_backup); 382 $page->output_header($lang->new_database_backup); 383 384 $sub_tabs['database_backup'] = array( 385 'title' => $lang->database_backups, 386 'link' => "index.php?module=tools-backupdb" 387 ); 388 389 $sub_tabs['new_backup'] = array( 390 'title' => $lang->new_backup, 391 'link' => "index.php?module=tools-backupdb&action=backup", 392 'description' => $lang->new_backup_desc 393 ); 394 395 $page->output_nav_tabs($sub_tabs, 'new_backup'); 396 397 // Check if file is writable, before allowing submission 398 if(!is_writable(MYBB_ADMIN_DIR."/backups")) 399 { 400 $lang->update_button = ''; 401 $page->output_alert($lang->alert_not_writable); 402 $cannot_write = true; 403 } 404 405 $table = new Table; 406 $table->construct_header($lang->table_selection); 407 $table->construct_header($lang->backup_options); 408 409 $table_selects = array(); 410 $table_list = $db->list_tables($config['database']['database']); 411 foreach($table_list as $id => $table_name) 412 { 413 $table_selects[$table_name] = $table_name; 414 } 415 416 $form = new Form("index.php?module=tools-backupdb&action=backup", "post", "table_selection", 0, "table_selection"); 417 418 $table->construct_cell("{$lang->table_select_desc}\n<br /><br />\n<a href=\"javascript:changeSelection('select', 0);\">{$lang->select_all}</a><br />\n<a href=\"javascript:changeSelection('deselect', 0);\">{$lang->deselect_all}</a><br />\n<a href=\"javascript:changeSelection('forum', '".TABLE_PREFIX."');\">{$lang->select_forum_tables}</a>\n<br /><br />\n<div class=\"form_row\">".$form->generate_select_box("tables[]", $table_selects, false, array('multiple' => true, 'id' => 'table_select', 'size' => 20))."</div>", array('rowspan' => 5, 'width' => '50%', 'style' => 'border-bottom: 0px')); 419 $table->construct_row(); 420 421 $table->construct_cell("<strong>{$lang->file_type}</strong><br />\n{$lang->file_type_desc}<br />\n<div class=\"form_row\">".$form->generate_radio_button("filetype", "gzip", $lang->gzip_compressed, array('checked' => 1))."<br />\n".$form->generate_radio_button("filetype", "plain", $lang->plain_text)."</div>", array('width' => '50%')); 422 $table->construct_row(); 423 $table->construct_cell("<strong>{$lang->save_method}</strong><br />\n{$lang->save_method_desc}<br /><div class=\"form_row\">".$form->generate_radio_button("method", "disk", $lang->backup_directory)."<br />\n".$form->generate_radio_button("method", "download", $lang->download, array('checked' => 1))."</div>", array('width' => '50%')); 424 $table->construct_row(); 425 $table->construct_cell("<strong>{$lang->backup_contents}</strong><br />\n{$lang->backup_contents_desc}<br /><div class=\"form_row\">".$form->generate_radio_button("contents", "both", $lang->structure_and_data, array('checked' => 1))."<br />\n".$form->generate_radio_button("contents", "structure", $lang->structure_only)."<br />\n".$form->generate_radio_button("contents", "data", $lang->data_only)."</div>", array('width' => '50%')); 426 $table->construct_row(); 427 $table->construct_cell("<strong>{$lang->analyze_and_optimize}</strong><br />\n{$lang->analyze_and_optimize_desc}<br /><div class=\"form_row\">".$form->generate_yes_no_radio("analyzeoptimize")."</div>", array('width' => '50%')); 428 $table->construct_row(); 429 430 $table->output($lang->new_database_backup); 431 432 $buttons[] = $form->generate_submit_button($lang->perform_backup); 433 $form->output_submit_wrapper($buttons); 434 435 $form->end(); 436 437 $page->output_footer(); 438 } 439 440 if(!$mybb->input['action']) 441 { 442 $page->add_breadcrumb_item($lang->backups); 443 $page->output_header($lang->database_backups); 444 445 $sub_tabs['database_backup'] = array( 446 'title' => $lang->database_backups, 447 'link' => "index.php?module=tools-backupdb", 448 'description' => $lang->database_backups_desc 449 ); 450 451 $sub_tabs['new_backup'] = array( 452 'title' => $lang->new_backup, 453 'link' => "index.php?module=tools-backupdb&action=backup", 454 ); 455 456 $plugins->run_hooks("admin_tools_backupdb_start"); 457 458 $page->output_nav_tabs($sub_tabs, 'database_backup'); 459 460 $backups = array(); 461 $dir = MYBB_ADMIN_DIR.'backups/'; 462 $handle = opendir($dir); 463 464 if($handle !== false) 465 { 466 while(($file = readdir($handle)) !== false) 467 { 468 if(filetype(MYBB_ADMIN_DIR.'backups/'.$file) == 'file') 469 { 470 $ext = get_extension($file); 471 if($ext == 'gz' || $ext == 'sql') 472 { 473 $backups[@filemtime(MYBB_ADMIN_DIR.'backups/'.$file)] = array( 474 "file" => $file, 475 "time" => @filemtime(MYBB_ADMIN_DIR.'backups/'.$file), 476 "type" => $ext 477 ); 478 } 479 } 480 } 481 closedir($handle); 482 } 483 484 $count = count($backups); 485 krsort($backups); 486 487 $table = new Table; 488 $table->construct_header($lang->backup_filename); 489 $table->construct_header($lang->file_size, array("class" => "align_center")); 490 $table->construct_header($lang->creation_date); 491 $table->construct_header($lang->controls, array("class" => "align_center")); 492 493 foreach($backups as $backup) 494 { 495 $time = "-"; 496 if($backup['time']) 497 { 498 $time = my_date('relative', $backup['time']); 499 } 500 501 $table->construct_cell("<a href=\"index.php?module=tools-backupdb&action=dlbackup&file={$backup['file']}\">{$backup['file']}</a>"); 502 $table->construct_cell(get_friendly_size(filesize(MYBB_ADMIN_DIR.'backups/'.$backup['file'])), array("class" => "align_center")); 503 $table->construct_cell($time); 504 $table->construct_cell("<a href=\"index.php?module=tools-backupdb&action=backup&action=delete&file={$backup['file']}&my_post_key={$mybb->post_code}\" onclick=\"return AdminCP.deleteConfirmation(this, '{$lang->confirm_backup_deletion}')\">{$lang->delete}</a>", array("class" => "align_center")); 505 $table->construct_row(); 506 } 507 508 if($count == 0) 509 { 510 $table->construct_cell($lang->no_backups, array('colspan' => 4)); 511 $table->construct_row(); 512 } 513 514 $table->output($lang->existing_database_backups); 515 $page->output_footer(); 516 }
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