ISGArchiveDelegate.php
3 years ago
SGBGArchive.php
3 years ago
SGBGArchiveCdr.php
3 years ago
SGBGArchiveHelper.php
3 years ago
SGBGCache.php
3 years ago
SGBGCacheableFile.php
3 years ago
SGBGDirectoryTreeFile.php
3 years ago
SGBGFile.php
3 years ago
SGBGFileHelper.php
3 years ago
SGBGJsonFile.php
3 years ago
SGBGLog.php
3 years ago
SGBGReloader.php
3 years ago
SGBGStateFile.php
3 years ago
SGBGTask.php
3 years ago
SGBGArchive.php
840 lines
| 1 | <?php |
| 2 | |
| 3 | require_once(__DIR__ . '/ISGArchiveDelegate.php'); |
| 4 | require_once(__DIR__ . '/SGBGArchiveHelper.php'); |
| 5 | require_once(__DIR__ . '/SGBGArchiveCdr.php'); |
| 6 | require_once(__DIR__ . '/SGBGCacheableFile.php'); |
| 7 | require_once(__DIR__ . '/SGBGTask.php'); |
| 8 | require_once(__DIR__ . '/SGBGLog.php'); |
| 9 | |
| 10 | class SGBGArchive extends SGBGCacheableFile |
| 11 | { |
| 12 | const VERSION = 5; |
| 13 | const CHUNK_SIZE = 4 * 1024 * 1024; //4mb |
| 14 | private $currentFileOffset = 0; |
| 15 | private $cdrFile = null; |
| 16 | private $delegate = null; |
| 17 | private $task = null; |
| 18 | private $logFile = null; |
| 19 | private $logEnabled = false; |
| 20 | private $_excludePaths = array(); |
| 21 | private $_warningsFound = false; |
| 22 | private $_options = array(); |
| 23 | private $_cdrOffset = 0; |
| 24 | private $_cdrSize = 0; |
| 25 | |
| 26 | public function __construct($path) |
| 27 | { |
| 28 | parent::__construct($path); |
| 29 | } |
| 30 | |
| 31 | public function setLogFile($logFile) |
| 32 | { |
| 33 | $this->logFile = $logFile; |
| 34 | } |
| 35 | |
| 36 | public function getLogFile() |
| 37 | { |
| 38 | return $this->logFile; |
| 39 | } |
| 40 | |
| 41 | public function setLogEnabled($logEnabled) |
| 42 | { |
| 43 | $this->logEnabled = $logEnabled; |
| 44 | } |
| 45 | |
| 46 | public function getLogEnabled() |
| 47 | { |
| 48 | return $this->logEnabled; |
| 49 | } |
| 50 | |
| 51 | public function setExcludePaths($paths) |
| 52 | { |
| 53 | $this->_excludePaths = $paths; |
| 54 | } |
| 55 | |
| 56 | public function getExcludePaths() |
| 57 | { |
| 58 | return $this->_excludePaths; |
| 59 | } |
| 60 | |
| 61 | public function setOptions($options) |
| 62 | { |
| 63 | $this->_options = $options; |
| 64 | } |
| 65 | |
| 66 | public function getOptions() |
| 67 | { |
| 68 | return $this->_options; |
| 69 | } |
| 70 | |
| 71 | public function log($logData, $forceWrite = false) |
| 72 | { |
| 73 | if ($this->getLogEnabled() || $forceWrite) { |
| 74 | $this->getLogFile()->save($logData); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | public function open($mode) |
| 79 | { |
| 80 | //only write (w) and read (r) modes supported |
| 81 | //convert all modes to binary |
| 82 | if (strpos($mode, 'w') === 0) { |
| 83 | $mode = 'ab'; |
| 84 | } else if (strpos($mode, 'r') === 0) { |
| 85 | $mode = 'rb'; |
| 86 | } else { |
| 87 | throw new Exception('Archive open mode not supported'); |
| 88 | } |
| 89 | |
| 90 | $this->log('Open archive (mode: ' . $mode . ')'); |
| 91 | |
| 92 | parent::open($mode); |
| 93 | |
| 94 | if ($mode == 'ab') { |
| 95 | $this->openCdrFile($this->getPath() . '.cdr'); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | public function close() |
| 100 | { |
| 101 | if ($this->cdrFile) { |
| 102 | $this->log('Close CDR file'); |
| 103 | |
| 104 | $this->cdrFile->close(); |
| 105 | } |
| 106 | |
| 107 | $this->log('Close archive'); |
| 108 | |
| 109 | parent::close(); |
| 110 | } |
| 111 | |
| 112 | private function openCdrFile($cdrPath) |
| 113 | { |
| 114 | $this->log('Open CDR file'); |
| 115 | |
| 116 | $file = new SGBGArchiveCdr($cdrPath); |
| 117 | $file->getCache()->setCacheMode(SGBGCache::CACHE_MODE_TIMEOUT | SGBGCache::CACHE_MODE_SIZE); |
| 118 | $file->getCache()->setCacheTimeout(5); |
| 119 | $file->getCache()->setCacheSize(4000000); |
| 120 | $file->open('ab'); |
| 121 | |
| 122 | //load cdr size from state |
| 123 | $cdrSize = (int) $this->task->getStateFile()->getData('cdr_size'); |
| 124 | $file->setCount($cdrSize); |
| 125 | |
| 126 | $this->cdrFile = $file; |
| 127 | } |
| 128 | |
| 129 | public function setDelegate($delegate) |
| 130 | { |
| 131 | $this->delegate = $delegate; |
| 132 | if ($delegate instanceof ISGArchiveDelegate) { |
| 133 | |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | public function setTask($task) |
| 138 | { |
| 139 | if ($task instanceof SGBGTask) { |
| 140 | $this->task = $task; |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | private function willAddFile($filename, $path) |
| 145 | { |
| 146 | if ($this->delegate) { |
| 147 | $this->delegate->willAddFile($filename); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | private function willAddFileChunk($filename, $path) |
| 152 | { |
| 153 | if ($this->delegate) { |
| 154 | $this->delegate->willAddFileChunk($filename); |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | private function didAddFileChunk($filename, $path, $chunk) |
| 159 | { |
| 160 | if ($this->delegate) { |
| 161 | $this->delegate->didAddFileChunk($filename, $chunk); |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | private function didAddFile($filename, $path) |
| 166 | { |
| 167 | if ($this->delegate) { |
| 168 | $this->delegate->didAddFile($filename); |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | public function didFindWarnings() |
| 173 | { |
| 174 | return $this->_warningsFound; |
| 175 | } |
| 176 | |
| 177 | public function addFileFromPath($filename, $path) |
| 178 | { |
| 179 | if ($path != '') { |
| 180 | $this->log(''); |
| 181 | $this->log('Start add file ' . $filename, true); |
| 182 | |
| 183 | $this->willAddFile($filename, $path); |
| 184 | |
| 185 | $fp = @fopen($path, 'rb'); |
| 186 | if ($fp === false) { |
| 187 | $this->warn('Failed to open file: ' . $path); |
| 188 | return; |
| 189 | } |
| 190 | |
| 191 | $fileSize = SGBGArchiveHelper::realFilesize($path); |
| 192 | $stateFile = $this->task->getStateFile(); |
| 193 | |
| 194 | $fileChunks = (array) $stateFile->getData('chunks'); |
| 195 | $chunkOffset = (int) $stateFile->getData('chunk_offset'); |
| 196 | $srcFileOffset = (int) $stateFile->getData('src_file_offset'); |
| 197 | $this->currentFileOffset = (int) $stateFile->getData('file_offset'); |
| 198 | |
| 199 | $this->log('File size: ' . $fileSize); |
| 200 | $this->log('File offset in archive: ' . $this->currentFileOffset); |
| 201 | |
| 202 | if ($srcFileOffset) { |
| 203 | fseek($fp, $srcFileOffset); |
| 204 | $this->log('Seek src file: ' . $srcFileOffset); |
| 205 | } else { |
| 206 | $this->addFileHeader(); |
| 207 | } |
| 208 | |
| 209 | //read file by chunks |
| 210 | while (!feof($fp)) { |
| 211 | $this->log('Start add file chunk'); |
| 212 | $this->willAddFileChunk($filename, $path); |
| 213 | |
| 214 | $data = @fread($fp, self::CHUNK_SIZE); |
| 215 | if ($data === false) { |
| 216 | $this->warn('Failed to read file: ' . basename($filename)); |
| 217 | } else if (empty($data)) { |
| 218 | break; |
| 219 | } |
| 220 | |
| 221 | $chunk = $this->addFileChunk($data, $chunkOffset); |
| 222 | $fileChunks[] = $chunk; |
| 223 | $chunkOffset += $chunk['size']; |
| 224 | |
| 225 | $this->didAddFileChunk($filename, $path, $chunk); |
| 226 | |
| 227 | $this->log('End add file chunk: Start(' . $chunk['start'] . ') - Size(' . $chunk['size'] . ')'); |
| 228 | $this->log('Next chunk offset: ' . $chunkOffset); |
| 229 | |
| 230 | $this->task->continueTask(function () use ($fileChunks, $chunkOffset, &$stateFile, &$fp) { |
| 231 | $this->log('Exit task (to resume later)', true); |
| 232 | |
| 233 | //flush cache before exit |
| 234 | $this->getCache()->flush(); |
| 235 | $this->cdrFile->getCache()->flush(); |
| 236 | $this->close(); |
| 237 | |
| 238 | $stateFile->setData('chunks', $fileChunks); |
| 239 | $stateFile->setData('chunk_offset', $chunkOffset); |
| 240 | $srcFileOffset = ftell($fp); |
| 241 | $stateFile->setData('src_file_offset', $srcFileOffset); |
| 242 | |
| 243 | $this->log('Src file offset: ' . $srcFileOffset); |
| 244 | $this->getLogFile()->getCache()->flush(); |
| 245 | $this->getLogFile()->close(); |
| 246 | $this->updateProgress(); |
| 247 | |
| 248 | @fclose($fp); |
| 249 | }); |
| 250 | } |
| 251 | |
| 252 | @fclose($fp); |
| 253 | |
| 254 | $fp = @fopen($path, 'rb'); |
| 255 | $firstBytes = fread($fp, 100); |
| 256 | fseek($fp, -100, SEEK_END); |
| 257 | $lastBytes = fread($fp, 100); |
| 258 | |
| 259 | @fclose($fp); |
| 260 | $crcData = $firstBytes . $lastBytes; |
| 261 | |
| 262 | |
| 263 | $this->cdrFile->addFile( |
| 264 | $filename, |
| 265 | $this->currentFileOffset, |
| 266 | $chunkOffset, //total compressed length |
| 267 | $fileSize, |
| 268 | $fileChunks, |
| 269 | array($this, 'log'), |
| 270 | $crcData |
| 271 | ); |
| 272 | |
| 273 | $fileHeaderSize = 4; |
| 274 | $this->currentFileOffset += $fileHeaderSize + $chunkOffset; |
| 275 | $this->log('Next file offset in archive will be: ' . $this->currentFileOffset); |
| 276 | |
| 277 | $stateFile->setData('file_offset', $this->currentFileOffset); |
| 278 | $stateFile->setData('cdr_size', $this->cdrFile->getCount()); |
| 279 | |
| 280 | //reset state file data |
| 281 | $stateFile->setData('chunks', array()); |
| 282 | $stateFile->setData('chunk_offset', 0); |
| 283 | $stateFile->setData('src_file_offset', 0); |
| 284 | $stateFile->save(false); |
| 285 | |
| 286 | $this->didAddFile($filename, $path); |
| 287 | |
| 288 | $this->log('End add file ' . $filename, true); |
| 289 | } |
| 290 | |
| 291 | } |
| 292 | |
| 293 | public function addEmptyDirectory($filename) |
| 294 | { |
| 295 | //IMPORTANT: empty directory names must end with a slash |
| 296 | $filename = rtrim($filename, '/') . '/'; |
| 297 | |
| 298 | if ($this->delegate) { |
| 299 | $this->delegate->willAddFile($filename); |
| 300 | } |
| 301 | |
| 302 | $stateFile = $this->task->getStateFile(); |
| 303 | |
| 304 | $fileHeaderSize = $this->addFileHeader(); |
| 305 | |
| 306 | |
| 307 | $this->cdrFile->addFile( |
| 308 | $filename, |
| 309 | $this->currentFileOffset, |
| 310 | 0, |
| 311 | 0, |
| 312 | array(), |
| 313 | array($this, 'log'), |
| 314 | "" |
| 315 | ); |
| 316 | |
| 317 | $this->currentFileOffset += $fileHeaderSize; |
| 318 | $this->log('Next file offset in archive will be: ' . $this->currentFileOffset); |
| 319 | |
| 320 | $stateFile->setData('file_offset', $this->currentFileOffset); |
| 321 | $stateFile->setData('cdr_size', $this->cdrFile->getCount()); |
| 322 | |
| 323 | //reset state file data |
| 324 | $stateFile->setData('chunks', array()); |
| 325 | $stateFile->setData('chunk_offset', 0); |
| 326 | $stateFile->setData('src_file_offset', 0); |
| 327 | $stateFile->save(false); |
| 328 | |
| 329 | |
| 330 | if ($this->delegate) { |
| 331 | $this->delegate->didAddFile($filename); |
| 332 | } |
| 333 | |
| 334 | $this->log('End add Empty Directory'); |
| 335 | } |
| 336 | |
| 337 | private function addFileChunk($data, $chunkOffset) |
| 338 | { |
| 339 | $this->log('Read: ' . strlen($data) . ' bytes'); |
| 340 | |
| 341 | $data = gzdeflate($data); |
| 342 | |
| 343 | $this->log('Compressed: ' . strlen($data) . ' bytes'); |
| 344 | |
| 345 | $result = $this->write($data); |
| 346 | |
| 347 | $this->log('Written: ' . $result . ' bytes'); |
| 348 | |
| 349 | return array( |
| 350 | 'start' => $chunkOffset, |
| 351 | 'size' => strlen($data) |
| 352 | ); |
| 353 | } |
| 354 | |
| 355 | private function addFileHeader() |
| 356 | { |
| 357 | $this->log('Start add header'); |
| 358 | |
| 359 | $extra = ''; |
| 360 | |
| 361 | $extraLengthInBytes = 4; |
| 362 | $this->write(SGBGArchiveHelper::packToLittleEndian(strlen($extra), $extraLengthInBytes) . $extra); |
| 363 | |
| 364 | $headerSize = ($extraLengthInBytes + strlen($extra)); |
| 365 | |
| 366 | $this->log('End add header: ' . $headerSize . ' bytes'); |
| 367 | |
| 368 | return $headerSize; |
| 369 | } |
| 370 | |
| 371 | private function addFooter() |
| 372 | { |
| 373 | $footer = ''; |
| 374 | |
| 375 | //save version |
| 376 | $footer .= SGBGArchiveHelper::packToLittleEndian(self::VERSION, 1); |
| 377 | |
| 378 | $extra = ''; |
| 379 | |
| 380 | if ($this->delegate) { |
| 381 | $extra = $this->delegate->getArchiveExtraData(); |
| 382 | } |
| 383 | |
| 384 | //extra size |
| 385 | $footer .= SGBGArchiveHelper::packToLittleEndian(strlen($extra), 4) . $extra; |
| 386 | |
| 387 | //save cdr size |
| 388 | $cdrSize = (int) $this->task->getStateFile()->getData('cdr_size'); |
| 389 | $footer .= SGBGArchiveHelper::packToLittleEndian($cdrSize, 4); |
| 390 | |
| 391 | $this->write($footer); |
| 392 | |
| 393 | //save cdr |
| 394 | $cdrLen = $this->writeCdr(); |
| 395 | |
| 396 | //save offset to the start of footer |
| 397 | $len = $cdrLen + strlen($extra) + 13; |
| 398 | $this->write(SGBGArchiveHelper::packToLittleEndian($len, 4)); |
| 399 | } |
| 400 | |
| 401 | private function writeCdr() |
| 402 | { |
| 403 | $this->cdrFile->getCache()->flush(); |
| 404 | $this->cdrFile->close(); |
| 405 | |
| 406 | $cdrLen = 0; |
| 407 | $this->cdrFile->open('rb'); |
| 408 | |
| 409 | while (!$this->cdrFile->eof()) { |
| 410 | $data = $this->cdrFile->read(self::CHUNK_SIZE); |
| 411 | $cdrLen += strlen($data); |
| 412 | $this->write($data); |
| 413 | } |
| 414 | |
| 415 | //@fclose($fp); |
| 416 | $this->cdrFile->close(); |
| 417 | $this->cdrFile->remove(); |
| 418 | |
| 419 | return $cdrLen; |
| 420 | } |
| 421 | |
| 422 | public function finalize() |
| 423 | { |
| 424 | $this->addFooter(); |
| 425 | $this->getCache()->flush(); |
| 426 | |
| 427 | $this->log('Finalized'); |
| 428 | |
| 429 | $this->getLogFile()->getCache()->flush(); |
| 430 | $this->updateProgress(); |
| 431 | $this->close(); |
| 432 | |
| 433 | } |
| 434 | |
| 435 | public function getHeaders() |
| 436 | { |
| 437 | return $this->extractHeaders(); |
| 438 | } |
| 439 | |
| 440 | private function extractHeaders() |
| 441 | { |
| 442 | $this->log('Start extract headers'); |
| 443 | |
| 444 | //read offset |
| 445 | $this->seek(-4, SEEK_END); |
| 446 | $offset = hexdec(SGBGArchiveHelper::unpackLittleEndian($this->read(4), 4)); |
| 447 | |
| 448 | $this->log('Footer offset: ' . $offset); |
| 449 | |
| 450 | //read version |
| 451 | $this->seek(-$offset, SEEK_END); |
| 452 | $version = hexdec(SGBGArchiveHelper::unpackLittleEndian($this->read(1), 1)); |
| 453 | |
| 454 | $this->log('Version: ' . $version); |
| 455 | |
| 456 | if ($version < self::VERSION) { |
| 457 | throw new Exception('Invalid SGArchive file version.'); |
| 458 | } |
| 459 | |
| 460 | //read extra size |
| 461 | $extraSize = hexdec(SGBGArchiveHelper::unpackLittleEndian($this->read(4), 4)); |
| 462 | |
| 463 | $this->log('Extra size: ' . $extraSize); |
| 464 | |
| 465 | //read extra |
| 466 | $extra = ''; |
| 467 | if ($extraSize > 0) { |
| 468 | $extra = $this->read($extraSize); |
| 469 | } |
| 470 | |
| 471 | $this->log('Extra read: ' . strlen($extra) . ' bytes'); |
| 472 | |
| 473 | if(is_string($extra)) { |
| 474 | $extra = json_decode($extra, true); |
| 475 | if(is_string($extra['tables'])) { |
| 476 | $extra['tables'] = json_decode($extra['tables'], true); |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | if ($this->delegate) { |
| 481 | $this->delegate->didExtractArchiveHeaders($version, $extra); |
| 482 | } |
| 483 | |
| 484 | if (is_array($extra)) { |
| 485 | $extra['versions'] = $version; |
| 486 | } |
| 487 | |
| 488 | $this->log('End extract headers'); |
| 489 | |
| 490 | return $extra; |
| 491 | } |
| 492 | |
| 493 | public function getFilesList() |
| 494 | { |
| 495 | $this->extractHeaders(); |
| 496 | |
| 497 | $list = array(); |
| 498 | $cdrSize = hexdec(SGBGArchiveHelper::unpackLittleEndian($this->read(4), 4)); |
| 499 | |
| 500 | for ($i = 0; $i < $cdrSize; $i++) { |
| 501 | $list[] = $this->getNextCdrItem(); |
| 502 | } |
| 503 | |
| 504 | return $list; |
| 505 | } |
| 506 | |
| 507 | private function getNextCdrItem() |
| 508 | { |
| 509 | $this->log('Start read CDR item'); |
| 510 | |
| 511 | //read crc (not used in this version) |
| 512 | $crc = $this->read(4); |
| 513 | |
| 514 | //$this->log('CRC: Not supported'); |
| 515 | |
| 516 | //read filename |
| 517 | $filenameLen = SGBGArchiveHelper::unpackLittleEndian($this->read(2), 2); |
| 518 | $filenameLen = hexdec($filenameLen); |
| 519 | |
| 520 | $this->log('Filename length: '.$filenameLen); |
| 521 | |
| 522 | if ($filenameLen > 0) { |
| 523 | $filename = $this->read($filenameLen); |
| 524 | |
| 525 | |
| 526 | if ($this->delegate) { |
| 527 | $filename = $this->delegate->getCorrectCdrFilename($filename); |
| 528 | } |
| 529 | |
| 530 | $this->log('Filename: ' . $filename); |
| 531 | |
| 532 | //read file offset |
| 533 | $fileOffsetInArchive = SGBGArchiveHelper::unpackLittleEndian($this->read(8), 8); |
| 534 | $fileOffsetInArchive = hexdec($fileOffsetInArchive); |
| 535 | |
| 536 | $this->log('File offset: ' . $fileOffsetInArchive); |
| 537 | |
| 538 | //read compressed length |
| 539 | $compressedLength = SGBGArchiveHelper::unpackLittleEndian($this->read(8), 8); |
| 540 | $compressedLength = hexdec($compressedLength); |
| 541 | |
| 542 | $this->log('Compressed length: ' . $compressedLength); |
| 543 | |
| 544 | //read uncompressed length |
| 545 | $uncompressedLength = SGBGArchiveHelper::unpackLittleEndian($this->read(8), 8); |
| 546 | $uncompressedLength = hexdec($uncompressedLength); |
| 547 | |
| 548 | $this->log('Uncompressed length: ' . $uncompressedLength); |
| 549 | |
| 550 | //read number of chunks |
| 551 | $chunksCount = hexdec(SGBGArchiveHelper::unpackLittleEndian($this->read(4), 4)); |
| 552 | |
| 553 | $this->log('Number of chunks: ' . $chunksCount); |
| 554 | |
| 555 | $chunks = array(); |
| 556 | for ($i = 0; $i < $chunksCount; $i++) { |
| 557 | $start = SGBGArchiveHelper::unpackLittleEndian($this->read(8), 8); |
| 558 | $start = hexdec($start); |
| 559 | |
| 560 | $size = SGBGArchiveHelper::unpackLittleEndian($this->read(8), 8); |
| 561 | $size = hexdec($size); |
| 562 | |
| 563 | $this->log('Chunk ' . ($i + 1) . ': Start(' . $start . ') - Size(' . $size . ')'); |
| 564 | |
| 565 | $chunks[] = array( |
| 566 | 'start' => $start, |
| 567 | 'size' => $size |
| 568 | ); |
| 569 | } |
| 570 | |
| 571 | $this->log('End read CDR item'); |
| 572 | |
| 573 | return array( |
| 574 | 'filename' => $filename, |
| 575 | 'offset' => $fileOffsetInArchive, |
| 576 | 'compressedLength' => $compressedLength, |
| 577 | 'uncompressedLength' => $uncompressedLength, |
| 578 | 'chunks' => $chunks, |
| 579 | 'crc' => $crc |
| 580 | ); |
| 581 | } else { |
| 582 | return []; |
| 583 | } |
| 584 | } |
| 585 | |
| 586 | public function extractTo($destinationPath) |
| 587 | { |
| 588 | $resumingRestore = $this->task->getStateFile()->getStatus() != SGBGStateFile::STATUS_READY; |
| 589 | |
| 590 | $this->log('Start extract', !$resumingRestore); |
| 591 | |
| 592 | $this->extractHeaders(); |
| 593 | |
| 594 | //read cdr size |
| 595 | $cdrSize = hexdec(SGBGArchiveHelper::unpackLittleEndian($this->read(4), 4)); |
| 596 | |
| 597 | $this->log('CDR size: ' . $cdrSize, false); |
| 598 | |
| 599 | $this->task->start($cdrSize); |
| 600 | |
| 601 | if ($this->delegate) { |
| 602 | $this->delegate->didCountFilesInsideArchive($cdrSize); |
| 603 | } |
| 604 | |
| 605 | $this->extractFiles($destinationPath, $cdrSize, $resumingRestore); |
| 606 | } |
| 607 | |
| 608 | private function extractFiles($destinationPath, $cdrSize, $resumingRestore) |
| 609 | { |
| 610 | $stateFile = $this->task->getStateFile(); |
| 611 | |
| 612 | $this->log('Start extract files', !$resumingRestore); |
| 613 | |
| 614 | $cdrOffset = $stateFile->getData('cdrOffset'); |
| 615 | if ($resumingRestore) { |
| 616 | $this->_cdrSize = (int) $stateFile->getData('cdrSize'); |
| 617 | $this->_cdrOffset = (int) $cdrOffset; |
| 618 | $this->seek($this->_cdrOffset); |
| 619 | } else { |
| 620 | $this->_cdrSize = $cdrSize; |
| 621 | } |
| 622 | |
| 623 | while ($this->_cdrSize) { |
| 624 | $cdrItem = $this->getNextCdrItem(); |
| 625 | |
| 626 | if ($cdrItem) { |
| 627 | //we remember where we left the cdr, to come back to that point |
| 628 | $this->_cdrOffset = $this->tell(); |
| 629 | |
| 630 | $this->extractFile($cdrItem, $destinationPath); |
| 631 | |
| 632 | //coming back to the cdr |
| 633 | $this->seek($this->_cdrOffset); |
| 634 | |
| 635 | $this->_cdrSize--; |
| 636 | |
| 637 | $stateFile->setData('cdrOffset', $this->_cdrOffset); |
| 638 | $stateFile->setData('cdrSize', $this->_cdrSize); |
| 639 | $stateFile->save(false); |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | $this->log('End extract files', true); |
| 644 | } |
| 645 | |
| 646 | private function createTmpFile($path) |
| 647 | { |
| 648 | $file = new SGBGCacheableFile($path); |
| 649 | $file->getCache()->setCacheMode(SGBGCache::CACHE_MODE_TIMEOUT | SGBGCache::CACHE_MODE_SIZE); |
| 650 | $file->getCache()->setCacheTimeout(10); |
| 651 | $file->getCache()->setCacheSize(8000000); |
| 652 | $file->open('ab'); |
| 653 | return $file; |
| 654 | } |
| 655 | |
| 656 | private function extractFile($cdrItem, $destinationPath) |
| 657 | { |
| 658 | $this->log('Start extract file: ' . $cdrItem['filename'], true); |
| 659 | |
| 660 | //$this->seek($cdrItem['offset']); |
| 661 | |
| 662 | $this->log('Start read file header'); |
| 663 | |
| 664 | //read extra (not used in this version) |
| 665 | //$this->read(4); |
| 666 | |
| 667 | $this->log('Extra: Not supported'); |
| 668 | $this->log('End read file header'); |
| 669 | |
| 670 | $path = $destinationPath . $cdrItem['filename']; |
| 671 | $path = str_replace('\\', '/', $path); |
| 672 | |
| 673 | $isEmptyDirectory = false; |
| 674 | $destPath = $path; |
| 675 | if (substr($path, -1) != '/') { //it's not an empty directory |
| 676 | $destPath = dirname($path); |
| 677 | } else { |
| 678 | $isEmptyDirectory = true; |
| 679 | } |
| 680 | |
| 681 | $this->log('Destination path: ' . $path); |
| 682 | $this->log('Is empty directory: ' . ($isEmptyDirectory ? 'Yes' : 'No')); |
| 683 | |
| 684 | if ($this->delegate) { |
| 685 | if ($this->delegate->shouldExtractFile($path)) { |
| 686 | $this->delegate->willExtractFile($path); |
| 687 | } else { |
| 688 | $this->log('Skip file extract', true); |
| 689 | return true; |
| 690 | } |
| 691 | } |
| 692 | |
| 693 | $this->log('Prepare destination path (create folders recursively)'); |
| 694 | |
| 695 | if (!SGBGArchiveHelper::createPath($destPath)) { |
| 696 | if ($this->delegate) { |
| 697 | $this->delegate->didFindExtractError('Could not create directory for: ' . $destPath); |
| 698 | } |
| 699 | return false; |
| 700 | } |
| 701 | |
| 702 | if ($isEmptyDirectory) { |
| 703 | $this->log('End extract file', true); |
| 704 | return true; |
| 705 | } |
| 706 | |
| 707 | $tmpPath = $path . '.sgbpTmpFile'; |
| 708 | $tmpFile = $this->createTmpFile($tmpPath); |
| 709 | |
| 710 | $this->log('Create tmp file: ' . $tmpPath); |
| 711 | |
| 712 | $errorFound = false; |
| 713 | |
| 714 | $stateFile = $this->task->getStateFile(); |
| 715 | $chunkNumber = (int) $stateFile->getData('chunkNumber'); |
| 716 | |
| 717 | $chunks = array_slice($cdrItem['chunks'], $chunkNumber); |
| 718 | //$this->log(print_r($chunks, true), true); |
| 719 | |
| 720 | foreach ($chunks as $i => $chunk) { |
| 721 | $this->seek($cdrItem['offset'] + 4 + $chunk['start']); |
| 722 | |
| 723 | $this->task->continueTask(function () use ($stateFile, $tmpFile, $chunkNumber, $i) { |
| 724 | $this->log('Extract Exit task (to resume later)', true); |
| 725 | $this->log('###_Extract_OffSet_###', true); |
| 726 | |
| 727 | $tmpFile->getCache()->flush(); |
| 728 | $tmpFile->close(); |
| 729 | |
| 730 | $this->close(); |
| 731 | |
| 732 | $stateFile->setData('chunkNumber', $chunkNumber + $i); |
| 733 | $stateFile->setStatus(SGBGStateFile::STATUS_RESUME); |
| 734 | $stateFile->save(true); |
| 735 | |
| 736 | $this->getLogFile()->getCache()->flush(); |
| 737 | $this->getLogFile()->close(); |
| 738 | $this->updateProgress(); |
| 739 | }); |
| 740 | |
| 741 | if (!$this->extractFileChunk($chunk, $tmpFile)) { |
| 742 | $errorFound = true; |
| 743 | break; |
| 744 | } |
| 745 | } |
| 746 | |
| 747 | $tmpFile->getCache()->flush(); |
| 748 | $tmpFile->close(); |
| 749 | |
| 750 | $this->task->endChunk(); |
| 751 | |
| 752 | $stateFile->setData('chunkNumber', 0); |
| 753 | $stateFile->save(true); |
| 754 | |
| 755 | //CRC check here |
| 756 | /*$ff = fopen($tmpPath, 'r'); |
| 757 | $firstBytes = fread($ff, 100); |
| 758 | fseek($ff, -100, SEEK_END); |
| 759 | $lastBytes = fread($ff, 100); |
| 760 | |
| 761 | if (abs(crc32($firstBytes . $lastBytes)) != hexdec(SGBGArchiveHelper::unpackLittleEndian($cdrItem['crc'], 4))) { |
| 762 | $this->log("invalid CRC Header in file " . $cdrItem['filename']); |
| 763 | $this->log(abs(crc32($firstBytes . $lastBytes)) . '!='); |
| 764 | $this->log(hexdec(SGBGArchiveHelper::unpackLittleEndian($cdrItem['crc'], 4))); |
| 765 | } else { |
| 766 | $this->log("CRC Check Complete"); |
| 767 | }*/ |
| 768 | |
| 769 | if (!$errorFound) { |
| 770 | $errorFound = !@rename($tmpPath, $path); |
| 771 | } |
| 772 | |
| 773 | if ($errorFound) { |
| 774 | $tmpFile->remove(); |
| 775 | $this->log('Failed to extract file: ' . $path, true); |
| 776 | |
| 777 | if ($this->delegate) { |
| 778 | $this->delegate->didFindExtractError('Failed to extract path: ' . $path); |
| 779 | } |
| 780 | } else if ($this->delegate) { |
| 781 | $this->delegate->didExtractFile($path); |
| 782 | } |
| 783 | |
| 784 | $this->log('End extract file: ' . $cdrItem['filename'], true); |
| 785 | |
| 786 | return !$errorFound; |
| 787 | } |
| 788 | |
| 789 | private function extractFileChunk($chunk, $tmpFile) |
| 790 | { |
| 791 | $start = $chunk['start']; |
| 792 | $size = $chunk['size']; |
| 793 | |
| 794 | $this->log('Start extract chunk: Start(' . $start . ') - Size(' . $size . ')'); |
| 795 | |
| 796 | $data = $this->read($size); |
| 797 | $this->log('Read: ' . strlen($data) . ' bytes'); |
| 798 | $data = gzinflate($data); |
| 799 | |
| 800 | //if gzinflate() failed to uncompress, skip the current file and continue extraction |
| 801 | if (!$data) { |
| 802 | $this->log('Failed to uncompress'); |
| 803 | return false; |
| 804 | } |
| 805 | |
| 806 | $this->log('Uncompressed: ' . strlen($data) . ' bytes'); |
| 807 | |
| 808 | $result = $tmpFile->write($data); |
| 809 | |
| 810 | $this->log('Written: ' . $result . ' bytes'); |
| 811 | $this->log('End extract chunk'); |
| 812 | |
| 813 | return ($result !== false); |
| 814 | } |
| 815 | |
| 816 | private function updateProgress() |
| 817 | { |
| 818 | if ($this->task->getStateFile()->getCount() && $this->task->getStateFile()->getCount() > 0) { |
| 819 | $progress = round($this->task->getStateFile()->getOffset() * 100.0 / $this->task->getStateFile()->getCount()); |
| 820 | |
| 821 | if ($this->delegate) { |
| 822 | $this->delegate->didUpdateProgress($progress); |
| 823 | } |
| 824 | } |
| 825 | |
| 826 | return true; |
| 827 | } |
| 828 | |
| 829 | private function pathWithoutRootDirectory($path) |
| 830 | { |
| 831 | return substr($path, strlen(rtrim(SGConfig::get('SG_APP_ROOT_DIRECTORY'), '/') . '/')); |
| 832 | } |
| 833 | |
| 834 | public function warn($message) |
| 835 | { |
| 836 | $this->_warningsFound = true; |
| 837 | $this->log('Warning: ' . $message, true); |
| 838 | } |
| 839 | } |
| 840 |