wapmorgan /
UnifiedArchive
| Total Complexity | 117 |
| Total Lines | 672 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like UnifiedArchive often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use UnifiedArchive, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 10 | class UnifiedArchive implements AbstractArchive |
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| 11 | { |
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| 12 | const VERSION = '0.1.1'; |
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| 13 | |||
| 14 | const ZIP = 'zip'; |
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| 15 | const SEVEN_ZIP = '7zip'; |
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| 16 | const RAR = 'rar'; |
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| 17 | const GZIP = 'gzip'; |
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| 18 | const BZIP = 'bzip2'; |
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| 19 | const LZMA = 'lzma2'; |
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| 20 | const ISO = 'iso'; |
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| 21 | const CAB = 'cab'; |
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| 22 | const TAR = 'tar'; |
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| 23 | const TAR_GZIP = 'tgz'; |
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| 24 | const TAR_BZIP = 'tbz2'; |
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| 25 | const TAR_LZMA = 'txz'; |
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| 26 | const TAR_LZW = 'tar.z'; |
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| 27 | |||
| 28 | /** @var array List of archive format handlers */ |
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| 29 | protected static $formatHandlers = [ |
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| 30 | self::ZIP => 'Zip', |
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| 31 | self::SEVEN_ZIP => 'SevenZip', |
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| 32 | self::RAR => 'Rar', |
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| 33 | self::GZIP => 'Gzip', |
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| 34 | self::BZIP => 'Bzip', |
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| 35 | self::LZMA => 'Lzma', |
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| 36 | self::ISO => 'Iso', |
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| 37 | self::CAB => 'Cab', |
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| 38 | self::TAR => 'Tar', |
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| 39 | self::TAR_GZIP => 'Tar', |
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| 40 | self::TAR_BZIP => 'Tar', |
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| 41 | self::TAR_LZMA => 'Tar', |
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| 42 | self::TAR_LZW => 'Tar', |
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| 43 | ]; |
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| 44 | |||
| 45 | /** @var array List of archive formats with support state */ |
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| 46 | static protected $enabledTypes = []; |
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| 47 | |||
| 48 | /** @var string Type of current archive */ |
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| 49 | protected $type; |
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| 50 | |||
| 51 | /** @var BasicFormat Adapter for current archive */ |
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| 52 | protected $archive; |
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| 53 | |||
| 54 | /** @var array List of files in current archive */ |
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| 55 | protected $files; |
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| 56 | |||
| 57 | /** @var int Number of files */ |
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| 58 | protected $filesQuantity; |
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| 59 | |||
| 60 | /** @var int Size of uncompressed files */ |
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| 61 | protected $uncompressedFilesSize; |
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| 62 | |||
| 63 | /** @var int Size of compressed files */ |
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| 64 | protected $compressedFilesSize; |
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| 65 | |||
| 66 | /** @var int Size of archive */ |
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| 67 | protected $archiveSize; |
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| 68 | |||
| 69 | /** |
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| 70 | * Creates instance with right type. |
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| 71 | * @param string $fileName Filename |
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| 72 | * @return UnifiedArchive|null Returns UnifiedArchive in case of successful reading of the file |
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| 73 | * @throws \Exception |
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| 74 | */ |
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| 75 | public static function open($fileName) |
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| 76 | { |
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| 77 | self::checkRequirements(); |
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| 78 | |||
| 79 | if (!file_exists($fileName) || !is_readable($fileName)) |
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| 80 | throw new Exception('Could not open file: '.$fileName); |
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| 81 | |||
| 82 | $type = self::detectArchiveType($fileName); |
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| 83 | if (!self::canOpenType($type)) { |
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| 84 | return null; |
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| 85 | } |
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| 86 | |||
| 87 | return new self($fileName, $type); |
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|
Bug
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by
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| 88 | } |
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| 89 | |||
| 90 | /** |
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| 91 | * Checks whether archive can be opened with current system configuration |
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| 92 | * @param string $fileName |
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| 93 | * @return boolean |
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| 94 | */ |
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| 95 | public static function canOpenArchive($fileName) |
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| 96 | { |
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| 97 | self::checkRequirements(); |
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| 98 | |||
| 99 | $type = self::detectArchiveType($fileName); |
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| 100 | if ($type !== false && self::canOpenType($type)) { |
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| 101 | return true; |
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| 102 | } |
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| 103 | |||
| 104 | return false; |
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| 105 | } |
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| 106 | |||
| 107 | /** |
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| 108 | * Checks whether specific archive type can be opened with current system configuration |
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| 109 | * |
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| 110 | * @param $type |
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| 111 | * |
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| 112 | * @param bool $onOwn |
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| 113 | * @return boolean |
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| 114 | */ |
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| 115 | public static function canOpenType($type) |
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| 116 | { |
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| 117 | self::checkRequirements(); |
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| 118 | |||
| 119 | return (isset(self::$enabledTypes[$type])) |
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| 120 | ? self::$enabledTypes[$type] |
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| 121 | : false; |
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| 122 | } |
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| 123 | |||
| 124 | /** |
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| 125 | * Detect archive type by its filename or content. |
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| 126 | * |
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| 127 | * @param string $fileName |
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| 128 | * @param bool $contentCheck |
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| 129 | * @return string|boolean One of UnifiedArchive type constants OR false if type is not detected |
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| 130 | */ |
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| 131 | public static function detectArchiveType($fileName, $contentCheck = true) |
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| 207 | } |
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| 208 | |||
| 209 | /** |
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| 210 | * Opens the file as one of supported formats. |
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| 211 | * |
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| 212 | * @param string $fileName Filename |
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| 213 | * @param string $type Archive type. |
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| 214 | * @throws Exception If archive can not be opened |
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| 215 | */ |
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| 216 | public function __construct($fileName, $type) |
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| 217 | { |
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| 218 | self::checkRequirements(); |
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| 219 | |||
| 220 | $this->type = $type; |
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| 221 | $this->archiveSize = filesize($fileName); |
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| 222 | |||
| 223 | if (!isset(static::$formatHandlers[$type])) |
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| 224 | throw new Exception('Unsupported archive type: '.$type.' of archive '.$fileName); |
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| 225 | |||
| 226 | $handler_class = __NAMESPACE__.'\\Formats\\'.static::$formatHandlers[$type]; |
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| 227 | |||
| 228 | $this->archive = new $handler_class($fileName); |
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| 229 | $this->scanArchive(); |
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| 230 | } |
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| 231 | |||
| 232 | /** |
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| 233 | * Rescans array after modification |
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| 234 | */ |
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| 235 | protected function scanArchive() |
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| 242 | } |
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| 243 | |||
| 244 | /** |
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| 245 | * Closes archive. |
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| 246 | */ |
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| 247 | public function __destruct() |
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| 250 | } |
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| 251 | |||
| 252 | /** |
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| 253 | * Returns an instance of class implementing PclZipOriginalInterface |
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| 254 | * interface. |
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| 255 | * |
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| 256 | * @return \wapmorgan\UnifiedArchive\PclzipZipInterface Returns an instance of a class |
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| 257 | * implementing PclZipOriginalInterface |
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| 258 | * @throws Exception |
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| 259 | */ |
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| 260 | public function getPclZipInterface() |
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| 261 | { |
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| 262 | if ($this->type !== self::ZIP) |
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| 263 | throw new UnsupportedOperationException(); |
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| 264 | |||
| 265 | return new $this->archive->getPclZip(); |
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| 266 | } |
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| 267 | |||
| 268 | /** |
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| 269 | * Counts number of files |
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| 270 | * @return int |
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| 271 | */ |
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| 272 | public function countFiles() |
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| 273 | { |
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| 274 | return $this->filesQuantity; |
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| 275 | } |
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| 276 | |||
| 277 | /** |
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| 278 | * Counts size of all uncompressed data (bytes) |
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| 279 | * @return int |
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| 280 | */ |
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| 281 | public function countUncompressedFilesSize() |
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| 282 | { |
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| 283 | return $this->uncompressedFilesSize; |
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| 284 | } |
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| 285 | |||
| 286 | /** |
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| 287 | * Returns size of archive |
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| 288 | * @return int |
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| 289 | */ |
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| 290 | public function getArchiveSize() |
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| 291 | { |
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| 292 | return $this->archiveSize; |
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| 293 | } |
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| 294 | |||
| 295 | /** |
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| 296 | * Returns type of archive |
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| 297 | * @return string |
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| 298 | */ |
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| 299 | public function getArchiveType() |
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| 300 | { |
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| 301 | return $this->type; |
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| 302 | } |
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| 303 | |||
| 304 | /** |
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| 305 | * Counts size of all compressed data (in bytes) |
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| 306 | * @return int |
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| 307 | */ |
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| 308 | public function countCompressedFilesSize() |
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| 309 | { |
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| 310 | return $this->compressedFilesSize; |
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| 311 | } |
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| 312 | |||
| 313 | /** |
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| 314 | * Returns list of files |
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| 315 | * @return array List of files |
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| 316 | */ |
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| 317 | public function getFileNames() |
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| 318 | { |
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| 319 | return array_values($this->files); |
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| 320 | } |
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| 321 | |||
| 322 | /** |
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| 323 | * Checks that file exists in archive |
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| 324 | * @param string $fileName |
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| 325 | * @return bool |
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| 326 | */ |
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| 327 | public function isFileExists($fileName) |
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| 328 | { |
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| 329 | return in_array($fileName, $this->files, true); |
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| 330 | } |
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| 331 | |||
| 332 | /** |
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| 333 | * Returns file metadata |
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| 334 | * @param string $fileName |
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| 335 | * @return ArchiveEntry|bool |
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| 336 | */ |
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| 337 | public function getFileData($fileName) |
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| 338 | { |
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| 339 | if (!in_array($fileName, $this->files, true)) |
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| 340 | return false; |
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| 341 | |||
| 342 | return $this->archive->getFileData($fileName); |
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| 343 | } |
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| 344 | |||
| 345 | /** |
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| 346 | * Returns file content |
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| 347 | * |
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| 348 | * @param $fileName |
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| 349 | * |
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| 350 | * @return bool|string |
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| 351 | * @throws \Exception |
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| 352 | */ |
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| 353 | public function getFileContent($fileName) |
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| 354 | { |
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| 355 | if (!in_array($fileName, $this->files, true)) |
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| 356 | return false; |
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| 357 | |||
| 358 | return $this->archive->getFileContent($fileName); |
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| 359 | } |
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| 360 | |||
| 361 | /** |
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| 362 | * Returns a resource for reading file from archive |
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| 363 | * @param string $fileName |
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| 364 | * @return bool|resource|string |
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| 365 | */ |
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| 366 | public function getFileResource($fileName) |
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| 367 | { |
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| 368 | if (!in_array($fileName, $this->files, true)) |
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| 369 | return false; |
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| 370 | |||
| 371 | return $this->archive->getFileResource($fileName); |
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| 372 | } |
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| 373 | |||
| 374 | /** |
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| 375 | * Unpacks files to disk. |
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| 376 | * @param string $outputFolder Extraction output dir. |
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| 377 | * @param string|array|null $files One files or list of files or null to extract all content. |
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| 378 | * @param bool $expandFilesList Should be expanded paths like 'src/' to all files inside 'src/' dir or not. |
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| 379 | * @return false|int |
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| 380 | * @throws Exception If files can not be extracted |
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| 381 | */ |
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| 382 | public function extractFiles($outputFolder, $files = null, $expandFilesList = false) |
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| 383 | { |
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| 384 | if ($files !== null) { |
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| 385 | if (is_string($files)) $files = [$files]; |
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| 386 | |||
| 387 | if ($expandFilesList) |
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| 388 | $files = self::expandFileList($this->files, $files); |
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| 389 | |||
| 390 | return $this->archive->extractFiles($outputFolder, $files); |
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| 391 | } else { |
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| 392 | return $this->archive->extractArchive($outputFolder); |
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| 393 | } |
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| 394 | } |
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| 395 | |||
| 396 | /** |
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| 397 | * Updates existing archive by removing files from it. |
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| 398 | * Only 7zip and zip types support deletion. |
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| 399 | * @param string|string[] $fileOrFiles |
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| 400 | * @param bool $expandFilesList |
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| 401 | * |
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| 402 | * @return bool|int |
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| 403 | * @throws Exception |
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| 404 | */ |
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| 405 | public function deleteFiles($fileOrFiles, $expandFilesList = false) |
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| 415 | } |
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| 416 | |||
| 417 | /** |
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| 418 | * Updates existing archive by adding new files |
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| 419 | * @param string[] $fileOrFiles See [[archiveFiles]] method for file list format. |
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| 420 | * @return int|bool False if failed, number of added files if success |
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| 421 | * @throws Exception |
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| 422 | */ |
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| 423 | public function addFiles($fileOrFiles) |
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| 424 | { |
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| 425 | $files_list = self::createFilesList($fileOrFiles); |
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| 426 | $result = $this->archive->addFiles($files_list); |
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| 427 | $this->scanArchive(); |
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| 428 | return $result; |
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| 429 | } |
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| 430 | |||
| 431 | /** |
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| 432 | * Adds file into archive |
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| 433 | * @param string $file |
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| 434 | * @param string|null $inArchiveName If not passed, full path will be preserved. |
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| 435 | * @return bool |
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| 436 | * @throws Exception |
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| 437 | */ |
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| 438 | public function addFile($file, $inArchiveName = null) |
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| 439 | { |
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| 440 | if (!is_file($file)) |
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| 441 | throw new \InvalidArgumentException($file.' is not a valid file to add in archive'); |
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| 442 | |||
| 443 | return ($inArchiveName !== null |
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| 444 | ? $this->addFiles([$file => $inArchiveName]) |
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| 445 | : $this->addFiles([$file])) === 1; |
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| 446 | } |
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| 447 | |||
| 448 | /** |
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| 449 | * Adds directory contents to archive. |
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| 450 | * @param string $directory |
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| 451 | * @param string|null $inArchivePath If not passed, full paths will be preserved. |
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| 452 | * @return bool |
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| 453 | * @throws Exception |
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| 454 | */ |
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| 455 | public function addDirectory($directory, $inArchivePath = null) |
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| 456 | { |
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| 457 | if (!is_dir($directory) || !is_readable($directory)) |
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| 458 | throw new \InvalidArgumentException($directory.' is not a valid directory to add in archive'); |
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| 459 | |||
| 460 | return ($inArchivePath !== null |
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| 461 | ? $this->addFiles([$directory => $inArchivePath]) |
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| 462 | : $this->addFiles([$inArchivePath])) > 0; |
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| 463 | } |
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| 464 | |||
| 465 | /** |
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| 466 | * Creates an archive with passed files list |
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| 467 | * |
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| 468 | * @param string|string[]|array<string,string> $fileOrFiles List of files. Can be one of three formats: |
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| 469 | * 1. A string containing path to file or directory. |
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| 470 | * File will have it's basename. |
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| 471 | * `UnifiedArchive::archiveFiles(['/etc/php.ini'], 'archive.zip)` will store |
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| 472 | * file with 'php.ini' name. |
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| 473 | * Directory contents will be stored in archive root. |
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| 474 | * `UnifiedArchive::archiveFiles(['/var/log/'], 'archive.zip')` will store all |
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| 475 | * directory contents in archive root. |
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| 476 | * 2. An array with strings containing pats to files or directories. |
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| 477 | * Files and directories will be stored with full paths. |
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| 478 | * `UnifiedArchive::archiveFiles(['/etc/php.ini', '/var/log/'], 'archive.zip)` |
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| 479 | * will preserve full paths. |
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| 480 | * 3. An array with strings where keys are strings. |
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| 481 | * Files will have name from key. |
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| 482 | * Directories contents will have prefix from key. |
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| 483 | * `UnifiedArchive::archiveFiles(['doc.txt' => 'very_long_name_of_document.txt', |
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| 484 | * 'static' => '/var/www/html/static/'], 'archive.zip')` |
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| 485 | * |
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| 486 | * @param string $archiveName File name of archive. Type of archive will be determined via it's name. |
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| 487 | * @param bool $emulate If true, emulation mode is performed instead of real archiving. |
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| 488 | * |
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| 489 | * @return array|bool|int |
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| 490 | * @throws Exception |
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| 491 | */ |
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| 492 | public static function archiveFiles($fileOrFiles, $archiveName, $emulate = false) |
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| 493 | { |
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| 494 | if (file_exists($archiveName)) |
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| 495 | throw new Exception('Archive '.$archiveName.' already exists!'); |
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| 496 | |||
| 497 | self::checkRequirements(); |
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| 498 | |||
| 499 | $archiveType = self::detectArchiveType($archiveName, false); |
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| 500 | // if (in_array($archiveType, [TarArchive::TAR, TarArchive::TAR_GZIP, TarArchive::TAR_BZIP, TarArchive::TAR_LZMA, TarArchive::TAR_LZW], true)) |
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| 501 | // return TarArchive::archiveFiles($fileOrFiles, $archiveName, $emulate); |
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| 502 | if ($archiveType === false) |
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| 503 | return false; |
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| 504 | |||
| 505 | $files_list = self::createFilesList($fileOrFiles); |
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| 506 | |||
| 507 | // fake creation: return archive data |
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| 508 | if ($emulate) { |
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| 509 | $totalSize = 0; |
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| 510 | foreach ($files_list as $fn) $totalSize += filesize($fn); |
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| 511 | |||
| 512 | return array( |
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| 513 | 'totalSize' => $totalSize, |
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| 514 | 'numberOfFiles' => count($files_list), |
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| 515 | 'files' => $files_list, |
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| 516 | 'type' => $archiveType, |
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| 517 | ); |
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| 518 | } |
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| 519 | |||
| 520 | if (!isset(static::$formatHandlers[$archiveType])) |
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| 521 | throw new Exception('Unsupported archive type: '.$archiveType.' of archive '.$archiveName); |
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| 522 | |||
| 523 | $handler_class = __NAMESPACE__.'\\Formats\\'.static::$formatHandlers[$archiveType]; |
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| 524 | |||
| 525 | return $handler_class::createArchive($files_list, $archiveName); |
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| 526 | } |
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| 527 | |||
| 528 | /** |
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| 529 | * Creates an archive with one file |
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| 530 | * @param string $file |
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| 531 | * @param string $archiveName |
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| 532 | * @return bool |
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| 533 | * @throws \Exception |
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| 534 | */ |
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| 535 | public static function archiveFile($file, $archiveName) |
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| 536 | { |
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| 537 | if (!is_file($file)) |
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| 538 | throw new \InvalidArgumentException($file.' is not a valid file to archive'); |
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| 539 | |||
| 540 | return static::archiveFiles($file, $archiveName) === 1; |
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| 541 | } |
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| 542 | |||
| 543 | /** |
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| 544 | * Creates an archive with full directory contents |
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| 545 | * @param string $directory |
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| 546 | * @param string $archiveName |
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| 547 | * @return bool |
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| 548 | * @throws Exception |
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| 549 | */ |
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| 550 | public static function archiveDirectory($directory, $archiveName) |
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| 551 | { |
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| 552 | if (!is_dir($directory) || !is_readable($directory)) |
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| 553 | throw new \InvalidArgumentException($directory.' is not a valid directory to archive'); |
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| 554 | |||
| 555 | return static::archiveFiles($directory, $archiveName) > 0; |
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| 556 | } |
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| 557 | |||
| 558 | /** |
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| 559 | * Tests system configuration |
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| 560 | */ |
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| 561 | protected static function checkRequirements() |
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| 562 | { |
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| 563 | if (empty(self::$enabledTypes)) { |
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| 564 | self::$enabledTypes[self::ZIP] = extension_loaded('zip'); |
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| 565 | self::$enabledTypes[self::SEVEN_ZIP] = class_exists('\Archive7z\Archive7z'); |
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| 566 | self::$enabledTypes[self::RAR] = extension_loaded('rar'); |
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| 567 | self::$enabledTypes[self::GZIP] = extension_loaded('zlib'); |
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| 568 | self::$enabledTypes[self::BZIP] = extension_loaded('bz2'); |
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| 569 | self::$enabledTypes[self::LZMA] = extension_loaded('xz'); |
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| 570 | self::$enabledTypes[self::ISO] = class_exists('\CISOFile'); |
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| 571 | self::$enabledTypes[self::CAB] = class_exists('\CabArchive'); |
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| 572 | self::$enabledTypes[self::TAR] = class_exists('\Archive_Tar') || class_exists('\PharData'); |
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| 573 | self::$enabledTypes[self::TAR_GZIP] = (class_exists('\Archive_Tar') || class_exists('\PharData')) && extension_loaded('zlib'); |
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| 574 | self::$enabledTypes[self::TAR_BZIP] = (class_exists('\Archive_Tar') || class_exists('\PharData')) && extension_loaded('bz2'); |
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| 575 | self::$enabledTypes[self::TAR_LZMA] = class_exists('\Archive_Tar') && extension_loaded('lzma2'); |
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| 576 | self::$enabledTypes[self::TAR_LZMA] = class_exists('\Archive_Tar') && LzwStreamWrapper::isBinaryAvailable(); |
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| 577 | } |
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| 578 | } |
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| 579 | |||
| 580 | /** |
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| 581 | * Deprecated method for extracting files |
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| 582 | * @param $outputFolder |
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| 583 | * @param string|array|null $files |
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| 584 | * @deprecated 0.1.0 |
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| 585 | * @see extractFiles() |
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| 586 | * @return bool|int |
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| 587 | * @throws Exception |
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| 588 | */ |
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| 589 | public function extractNode($outputFolder, $files = null) |
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| 590 | { |
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| 591 | return $this->extractFiles($outputFolder, $files); |
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| 592 | } |
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| 593 | |||
| 594 | /** |
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| 595 | * Deprecated method for archiving files |
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| 596 | * @param $filesOrFiles |
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| 597 | * @param $archiveName |
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| 598 | * @deprecated 0.1.0 |
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| 599 | * @see archiveFiles() |
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| 600 | * @return mixed |
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| 601 | * @throws Exception |
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| 602 | */ |
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| 603 | public static function archiveNodes($filesOrFiles, $archiveName) |
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| 606 | } |
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| 607 | |||
| 608 | /** |
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| 609 | * Expands files list |
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| 610 | * @param $archiveFiles |
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| 611 | * @param $files |
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| 612 | * @return array |
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| 613 | */ |
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| 614 | protected static function expandFileList($archiveFiles, $files) |
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| 615 | { |
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| 616 | $newFiles = []; |
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| 617 | foreach ($files as $file) { |
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| 618 | foreach ($archiveFiles as $archiveFile) { |
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| 619 | if (fnmatch($file.'*', $archiveFile)) |
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| 620 | $newFiles[] = $archiveFile; |
||
| 621 | } |
||
| 622 | } |
||
| 623 | return $newFiles; |
||
| 624 | } |
||
| 625 | |||
| 626 | /** |
||
| 627 | * @param string|array $nodes |
||
| 628 | * @return array|bool |
||
| 629 | */ |
||
| 630 | protected static function createFilesList($nodes) |
||
| 631 | { |
||
| 632 | $files = array(); |
||
| 633 | |||
| 634 | // passed an extended list |
||
| 635 | if (is_array($nodes)) { |
||
| 636 | foreach ($nodes as $source => $destination) { |
||
| 637 | if (is_numeric($source)) |
||
| 638 | $source = $destination; |
||
| 639 | |||
| 640 | $destination = rtrim($destination, '/\\*'); |
||
| 641 | |||
| 642 | // if is directory |
||
| 643 | if (is_dir($source)) |
||
| 644 | self::importFilesFromDir(rtrim($source, '/\\*').'/*', |
||
| 645 | !empty($destination) ? $destination.'/' : null, true, $files); |
||
| 646 | else if (is_file($source)) |
||
| 647 | $files[$destination] = $source; |
||
| 648 | } |
||
| 649 | |||
| 650 | } else if (is_string($nodes)) { // passed one file or directory |
||
| 651 | // if is directory |
||
| 652 | if (is_dir($nodes)) |
||
| 653 | self::importFilesFromDir(rtrim($nodes, '/\\*').'/*', null, true, |
||
| 654 | $files); |
||
| 655 | else if (is_file($nodes)) |
||
| 656 | $files[basename($nodes)] = $nodes; |
||
| 657 | } |
||
| 658 | |||
| 659 | return $files; |
||
| 660 | } |
||
| 661 | |||
| 662 | /** |
||
| 663 | * @param string $source |
||
| 664 | * @param string|null $destination |
||
| 665 | * @param bool $recursive |
||
| 666 | * @param array $map |
||
| 667 | */ |
||
| 668 | protected static function importFilesFromDir($source, $destination, $recursive, &$map) |
||
| 682 | } |
||
| 683 | } |
||
| 684 | } |
||
| 685 | } |
||
| 686 |
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