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<?php |
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namespace PhpOffice\PhpSpreadsheet\Shared; |
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use InvalidArgumentException; |
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use PhpOffice\PhpSpreadsheet\Exception; |
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use ZipArchive; |
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class File |
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{ |
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/** |
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* Use Temp or File Upload Temp for temporary files. |
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* |
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* @var bool |
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*/ |
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protected static $useUploadTempDirectory = false; |
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/** |
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* Set the flag indicating whether the File Upload Temp directory should be used for temporary files. |
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* |
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* @param bool $useUploadTempDir Use File Upload Temporary directory (true or false) |
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*/ |
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public static function setUseUploadTempDirectory($useUploadTempDir): void |
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{ |
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self::$useUploadTempDirectory = (bool) $useUploadTempDir; |
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} |
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/** |
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* Get the flag indicating whether the File Upload Temp directory should be used for temporary files. |
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* |
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* @return bool Use File Upload Temporary directory (true or false) |
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*/ |
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public static function getUseUploadTempDirectory() |
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{ |
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return self::$useUploadTempDirectory; |
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} |
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/** |
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* Verify if a file exists. |
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* |
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* @param string $pFilename Filename |
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* |
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* @return bool |
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*/ |
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public static function fileExists($pFilename) |
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{ |
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// Sick construction, but it seems that |
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// file_exists returns strange values when |
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// doing the original file_exists on ZIP archives... |
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if (strtolower(substr($pFilename, 0, 3)) == 'zip') { |
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// Open ZIP file and verify if the file exists |
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$zipFile = substr($pFilename, 6, strpos($pFilename, '#') - 6); |
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$archiveFile = substr($pFilename, strpos($pFilename, '#') + 1); |
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$zip = new ZipArchive(); |
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if ($zip->open($zipFile) === true) { |
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$returnValue = ($zip->getFromName($archiveFile) !== false); |
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$zip->close(); |
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return $returnValue; |
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} |
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return false; |
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} |
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return file_exists($pFilename); |
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} |
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/** |
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* Returns canonicalized absolute pathname, also for ZIP archives. |
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* |
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* @param string $pFilename |
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* |
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* @return string |
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*/ |
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public static function realpath($pFilename) |
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{ |
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// Returnvalue |
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$returnValue = ''; |
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// Try using realpath() |
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if (file_exists($pFilename)) { |
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$returnValue = realpath($pFilename); |
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} |
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// Found something? |
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if ($returnValue == '' || ($returnValue === null)) { |
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$pathArray = explode('/', $pFilename); |
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while (in_array('..', $pathArray) && $pathArray[0] != '..') { |
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$iMax = count($pathArray); |
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for ($i = 0; $i < $iMax; ++$i) { |
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if ($pathArray[$i] == '..' && $i > 0) { |
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unset($pathArray[$i], $pathArray[$i - 1]); |
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break; |
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} |
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} |
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} |
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$returnValue = implode('/', $pathArray); |
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} |
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// Return |
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return $returnValue; |
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} |
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/** |
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* Get the systems temporary directory. |
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* |
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* @return string |
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*/ |
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public static function sysGetTempDir() |
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{ |
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if (self::$useUploadTempDirectory) { |
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// use upload-directory when defined to allow running on environments having very restricted |
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// open_basedir configs |
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if (ini_get('upload_tmp_dir') !== false) { |
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if ($temp = ini_get('upload_tmp_dir')) { |
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if (file_exists($temp)) { |
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return realpath($temp); |
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} |
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} |
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} |
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} |
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return realpath(sys_get_temp_dir()); |
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} |
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public static function temporaryFilename(): string |
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{ |
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$filename = tempnam(self::sysGetTempDir(), 'phpspreadsheet'); |
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if ($filename === false) { |
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throw new Exception('Could not create temporary file'); |
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} |
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return $filename; |
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} |
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/** |
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139
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* Assert that given path is an existing file and is readable, otherwise throw exception. |
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140
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* |
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141
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* @param string $filename |
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142
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*/ |
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143
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483 |
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public static function assertFile($filename): void |
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{ |
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483 |
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if (!is_file($filename)) { |
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6 |
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throw new InvalidArgumentException('File "' . $filename . '" does not exist.'); |
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} |
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477 |
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if (!is_readable($filename)) { |
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throw new InvalidArgumentException('Could not open "' . $filename . '" for reading.'); |
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} |
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152
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477 |
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} |
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153
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} |
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PHPOffice /
PhpSpreadsheet
