PHP finfo类代码示例

 function execute($temp_name, $allow_existing_file = false)
 {
     if ($this->_autoRename) {
         $this->_cleanFilename();
         $this->_path_target = $this->_findSafeFilename();
     }
     if (!isset($this->_whitelist[$this->_file_extension])) {
         die('File extension is not permitted.');
     }
     $finfo = new finfo(FILEINFO_MIME);
     $mime_type = $finfo->file($temp_name);
     $mime_type = explode(';', $mime_type);
     $mime_type = $mime_type[0];
     if ($mime_type != $this->_whitelist[$this->_file_extension]) {
         die('File type/extension combination not permitted for security reasons.');
     }
     if (is_uploaded_file($temp_name)) {
         if (!move_uploaded_file($temp_name, $this->_path_target)) {
             return false;
         }
     } elseif ($allow_existing_file) {
         if (!rename($temp_name, $this->_path_target)) {
             return false;
         }
     } else {
         return false;
     }
     chmod($this->_path_target, 0755);
     AMP_s3_save($this->_path_target);
     AMP_lookup_clear_cached('downloads');
     return true;
 }

 /**
  * Defined by Zend_Validate_Interface
  *
  * Returns true if the mimetype of the file does not matche the given ones. Also parts
  * of mimetypes can be checked. If you give for example "image" all image
  * mime types will not be accepted like "image/gif", "image/jpeg" and so on.
  *
  * @param  string $value Real file to check for mimetype
  * @param  array  $file  File data from Zend_File_Transfer
  * @return boolean
  */
 public function isValid($value, $file = null)
 {
     // Is file readable ?
     require_once 'Zend/Loader.php';
     if (!Zend_Loader::isReadable($value)) {
         return $this->_throw($file, self::NOT_READABLE);
     }
     if ($file !== null) {
         if (class_exists('finfo', false) && defined('MAGIC')) {
             $mime = new finfo(FILEINFO_MIME);
             $this->_type = $mime->file($value);
             unset($mime);
         } elseif (function_exists('mime_content_type') && ini_get('mime_magic.magicfile')) {
             $this->_type = mime_content_type($value);
         } else {
             $this->_type = $file['type'];
         }
     }
     if (empty($this->_type)) {
         return $this->_throw($file, self::NOT_DETECTED);
     }
     $mimetype = $this->getMimeType(true);
     if (in_array($this->_type, $mimetype)) {
         return $this->_throw($file, self::FALSE_TYPE);
     }
     $types = explode('/', $this->_type);
     $types = array_merge($types, explode('-', $this->_type));
     foreach ($mimetype as $mime) {
         if (in_array($mime, $types)) {
             return $this->_throw($file, self::FALSE_TYPE);
         }
     }
     return true;
 }

 /**
  * Attachment constructor.
  *
  * @param string $filePath
  * @param string|null $type
  * @throws MessageException
  */
 public function __construct(string $filePath, string $type = null)
 {
     // Check if file exists and is readable
     if (!@is_readable($filePath)) {
         throw MessageException::attachmentUnreadable(__METHOD__, $filePath);
     }
     $this->path = $filePath;
     // Save file path
     $this->type = $type;
     // Content type (if specified)
     $this->name = basename($this->path);
     $this->id = null;
     $this->disposition = "attachment";
     // Check if content type is not explicit
     if (!$this->type) {
         // Check if "fileinfo" extension is loaded
         if (extension_loaded("fileinfo")) {
             $fileInfo = new \finfo(FILEINFO_MIME_TYPE);
             $this->type = $fileInfo->file($this->path);
         }
         if (!$this->type) {
             $this->type = self::fileType($this->name);
         }
     }
 }

 /**
  * Attempt to get the mime type from a file. This method is horribly
  * unreliable, due to PHP being horribly unreliable when it comes to
  * determining the mime type of a file.
  *
  *     $mime = File::mime($file);
  *
  * @param   string $filename file name or path
  *
  * @return  string  mime type on success
  * @return  FALSE   on failure
  */
 public static function mime($filename)
 {
     // Get the complete path to the file
     $filename = realpath($filename);
     // Get the extension from the filename
     $extension = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
     if (preg_match('/^(?:jpe?g|png|[gt]if|bmp|swf)$/', $extension)) {
         // Use getimagesize() to find the mime type on images
         try {
             $file = getimagesize($filename);
         } catch (\Exception $e) {
         }
         if (isset($file['mime'])) {
             return $file['mime'];
         }
     }
     if (class_exists('finfo', false)) {
         if ($info = new \finfo(defined('FILEINFO_MIME_TYPE') ? FILEINFO_MIME_TYPE : FILEINFO_MIME)) {
             return $info->file($filename);
         }
     }
     if (ini_get('mime_magic.magicfile') and function_exists('mime_content_type')) {
         // The mime_content_type function is only useful with a magic file
         return mime_content_type($filename);
     }
     if (!empty($extension)) {
         return self::mime_by_ext($extension);
     }
     // Unable to find the mime-type
     return false;
 }

 /**
  * Try download file
  */
 public function download()
 {
     if ($this->fileInfo instanceof \SplFileInfo) {
         if ($this->fileInfo->isFile()) {
             if (is_array($this->validatorExtension)) {
                 if (!in_array($this->fileInfo->getExtension(), $this->validatorExtension)) {
                     throw new \Exception("Extensão invalida!");
                 }
             }
             if (!$this->fileInfo->isReadable()) {
                 throw new \Exception("O Arquivo não pode ser lido!");
             }
             if (is_null($this->newName)) {
                 $this->setNewName($this->fileInfo->getBasename());
             }
             $finfo = new \finfo();
             header("Content-Type: {$finfo->file($this->fileInfo->getRealPath(), FILEINFO_MIME)}");
             header("Content-Length: {$this->fileInfo->getSize()}");
             header("Content-Disposition: attachment; filename={$this->newName}");
             readfile($this->fileInfo->getRealPath());
         } else {
             throw new \Exception("Por favor, adicione um arquivo valido!");
         }
     } else {
         throw new \Exception("Por favor, adicione o arquivo primeiro!");
     }
 }

 /**
  * Tries to determine the file type magically
  * @param string $data
  * @returns a string,   the mime type, or null if none was found.
  */
 public static function magicMimeType($data)
 {
     if (self::$finfo == null) {
         if (!class_exists('finfo')) {
             I2CE::raiseError('Magic file utilties not enabled.  Please run \'pecl install Fileinfo\' or some such thing.');
             return null;
         }
         $config = I2CE::getConfig();
         $magic_file = null;
         if ($config->setIfIsSet($magic_file, "/modules/MimeTypes/magic_file")) {
             $magic_file = I2CE::getFileSearch()->search('MIME', $magic_file);
             if (!$magic_file) {
                 $magic_file == null;
             }
         }
         //I2CE::raiseError("Using $magic_file");
         //@self::$finfo = new finfo(FILEINFO_MIME, $magic_file);
         @(self::$finfo = new finfo(FILEINFO_MIME));
         if (!self::$finfo) {
             I2CE::raiseError('Unable to load magic file database ' . $magic_file, E_USER_NOTICE);
             return null;
         }
     }
     if (!($mime_type = self::$finfo->buffer($data))) {
         I2CE::raiseError('Unable to determine mime type magically', E_USER_NOTICE);
         //some error occured
         return null;
     }
     return $mime_type;
 }

 /**
  * Returns the suggested MIME type for an actual file.  Using file-based heuristics
  * (data points in the ACTUAL file), it will utilize either the PECL FileInfo extension
  * OR the Magic MIME extension (if either are available) to determine the MIME type.  If all
  * else fails, it will fall back to the basic GetMimeTypeForFilename() method.
  *
  * @param string $strFilePath the absolute file path of the ACTUAL file
  * @return string
  */
 public static function GetMimeTypeForFile($strFilePath)
 {
     // Clean up the File Path and pull out the filename
     $strRealPath = realpath($strFilePath);
     if (!is_file($strRealPath)) {
         throw new QCallerException('File Not Found: ' . $strFilePath);
     }
     $strFilename = basename($strRealPath);
     $strToReturn = null;
     // First attempt using the PECL FileInfo extension
     if (class_exists('finfo')) {
         if (QMimeType::$MagicDatabaseFilePath) {
             $objFileInfo = new finfo(FILEINFO_MIME, QMimeType::$MagicDatabaseFilePath);
         } else {
             $objFileInfo = new finfo(FILEINFO_MIME);
         }
         $strToReturn = $objFileInfo->file($strRealPath);
     }
     // Next, attempt using the legacy MIME Magic extension
     if (!$strToReturn && function_exists('mime_content_type')) {
         $strToReturn = mime_content_type($strRealPath);
     }
     // Finally, use Qcodo's owns method for determining MIME type
     if (!$strToReturn) {
         $strToReturn = QMimeType::GetMimeTypeForFilename($strFilename);
     }
     if ($strToReturn) {
         return $strToReturn;
     } else {
         return QMimeType::_Default;
     }
 }

 public function fileSave($data, \Uppu3\Entity\User $user)
 {
     $fileResource = new File();
     //$fileResource->saveFile($data['load']);
     $fileResource->setName($data['load']['name']);
     $fileResource->setSize($data['load']['size']);
     $finfo = new \finfo(FILEINFO_MIME_TYPE);
     $fileResource->setExtension($finfo->file($data['load']['tmp_name']));
     //$fileResource->setMediainfo($data['load']['tmp_name']);
     $fileResource->setComment($_POST['comment']);
     $mediainfo = \Uppu3\Entity\MediaInfo::getMediaInfo($data['load']['tmp_name']);
     //$mediainfo = json_encode($mediainfo);
     $fileResource->setMediainfo($mediainfo);
     $fileResource->setUploaded();
     $fileResource->setUploadedBy($user);
     $this->em->persist($fileResource);
     $this->em->flush();
     $id = $fileResource->getId();
     $tmpFile = $data['load']['tmp_name'];
     $newFile = \Uppu3\Helper\FormatHelper::formatUploadLink($id, $data['load']['name']);
     $result = move_uploaded_file($tmpFile, $newFile);
     if (in_array($fileResource->getExtension(), $this->pictures)) {
         $path = \Uppu3\Helper\FormatHelper::formatUploadResizeLink($id, $data['load']['name']);
         $resize = new \Uppu3\Helper\Resize();
         $resize->resizeFile($newFile, $path);
     }
     return $fileResource;
 }

 /**
  * @return string
  *
  * @throws Backend\SourceFileException
  */
 public function getSource()
 {
     if ($this->src !== NULL) {
         return $this->src;
     }
     $source = file_get_contents($this->getPathname());
     if ($source == '') {
         $this->src = '';
         return '';
     }
     if ($this->encoding == 'auto') {
         $info = new \finfo();
         $this->encoding = $info->file((string) $this, FILEINFO_MIME_ENCODING);
     }
     try {
         $source = iconv($this->encoding, 'UTF-8//TRANSLIT', $source);
     } catch (\ErrorException $e) {
         throw new SourceFileException('Encoding error - conversion to UTF-8 failed', SourceFileException::BadEncoding, $e);
     }
     // Replace xml relevant control characters by surrogates
     $this->src = preg_replace_callback('/(?![\\x{000d}\\x{000a}\\x{0009}])\\p{C}/u', function (array $matches) {
         $unicodeChar = '\\u' . (2400 + ord($matches[0]));
         return json_decode('"' . $unicodeChar . '"');
     }, $source);
     return $this->src;
 }

  public function __construct($file, $validate)
  {
    parent::__construct();

    if (!is_string($file) || (!is_readable($file)))
    {
      throw new DocBlox_Reflection_Exception('The given file should be a string, should exist on the filesystem and should be readable');
    }

    if ($validate)
    {
      exec('php -l '.escapeshellarg($file), $output, $result);
      if ($result != 0)
      {
        throw new DocBlox_Reflection_Exception('The given file could not be interpreted as it contains errors: '.implode(PHP_EOL, $output));
      }
    }

    $this->filename = $file;
    $this->name = $this->filename;
    $contents = file_get_contents($file);

    // detect encoding and transform to UTF-8
    $info = new finfo();
    $mime = $info->file($file, FILEINFO_MIME);
    $mime_info = explode('=', $mime);
    if (strtolower($mime_info[1]) != 'utf-8')
    {
        $contents = iconv($mime_info[1], 'UTF-8', $contents);
    }

    $this->contents = $contents;
    $this->setHash(filemtime($file));
  }

 public static function upload($data, $file)
 {
     if (isset($file)) {
         $tmpFile = $_FILES["file"]["tmp_name"];
         $idArticle = $data['idArticle'];
         $finfo = new \finfo(FILEINFO_MIME_TYPE);
         $mime = $finfo->file($file['tmp_name']);
         switch ($mime) {
             case 'image/jpeg':
                 $extension = ".jpg";
                 $destination = IMAGES_PATH;
                 break;
             case 'image/png':
                 $extension = ".png";
                 $destination = IMAGES_PATH;
                 break;
             case 'image/gif':
                 $extension = ".gif";
                 $destination = IMAGES_PATH;
                 break;
             case 'application/pdf':
                 $extension = ".pdf";
                 $destination = DOCS_PATH;
                 break;
             default:
                 throw new UploadException("Ce n'est pas le bon type de fichier");
                 break;
         }
         $fileName = !empty($nameOfFile) ? uniqid('articleFile_' . $idArticle . '_') : '';
         $chemin = $destination . $fileName . $extension;
         list($width, $height) = getimagesize($tmpFile);
     }
 }

 public function addFile($field_name, $absolute_filename_path)
 {
     $file_info = new \finfo(FILEINFO_MIME);
     $mime_type = $file_info->buffer(file_get_contents($absolute_filename_path));
     $mime = explode(';', $mime_type);
     $this->files[$field_name] = curl_file_create($absolute_filename_path, reset($mime), basename($absolute_filename_path));
 }

 /**
  * checks mime type of file
  * @param string $file
  * @return bool
  * @access private
  */
 public static function getMime($file)
 {
     $mime = null;
     if (class_exists("finfo")) {
         $finfo = new finfo(FILEINFO_MIME);
         $mime = $finfo->file($file);
     }
     if (function_exists("finfo_open")) {
         $finfo = finfo_open(FILEINFO_MIME);
         $mime = finfo_file($finfo, $file);
         finfo_close($finfo);
     } else {
         $fp = fopen($file, 'r');
         $str = fread($fp, 4);
         fclose($fp);
         switch ($str) {
             case "ÿØÿà":
                 $mime = 'image/jpeg';
                 break;
             case "‰PNG":
                 $mime = 'image/png';
                 break;
             case 'GIF8':
                 $mime = 'image/gif';
                 break;
             default:
                 trigger_error("Tell the guy behind the levers of i² to see {$str} as a valid file. Thank you //Sincerely, i ", E_USER_ERROR);
                 $mime = $str;
         }
     }
     if (preg_match("/[a-zA-Z]+\\/[a-zA-Z]+.+/", $mime)) {
         $mime = preg_replace("/([a-zA-Z]+\\/[a-zA-Z]+)(.+)/", "\$1", $mime);
     }
     return $mime;
 }

 /**
  *
  * @param string $filepath
  */
 public function __construct($filepath)
 {
     $this->filepath = $filepath;
     $this->basename = basename($filepath);
     $finfo = new \finfo(FILEINFO_MIME);
     list($this->mime, $this->charset) = explode('; ', $finfo->file($filepath));
 }

 private function file_check()
 {
     try {
         if (!isset($_FILES['upfile']['error']) || !is_int($_FILES['upfile']['error'])) {
             throw new RuntimeException("不正なパラメータです。管理人にお問い合わせください。");
         }
         switch ($_FILES["upfile"]["error"]) {
             case UPLOAD_ERR_OK:
                 break;
             case UPLOAD_ERR_NO_FILE:
                 throw new RuntimeException("ファイルが選択されていません。");
                 break;
             case UPLOAD_ERR_INI_SIZE:
             case UPLOAD_ERR_FORM_SIZE:
                 throw new RuntimeException("ファイルサイズが許容値を超えています。");
                 break;
             default:
                 throw new RuntimeException("不明なエラーが発生しました。");
         }
         $finfo = new finfo(FILEINFO_MIME_TYPE);
         if (!array_search($finfo->file($_FILES["upfile"]["tmp_name"]), array("oud" => 'text/plain'), true) || pathinfo($_FILES["upfile"]["name"])["extension"] !== "oud") {
             throw new RuntimeException("oudファイルではありません。");
         }
         $fp = fopen($_FILES["upfile"]["tmp_name"], "r");
         if (!preg_match("/FileType=OuDia/", fgets($fp))) {
             throw new RuntimeException("oudファイルですが、書式が正しくありません。");
         }
         fclose($fp);
     } catch (Exception $e) {
         echo "エラーが発生しました：" . $e->getMessage();
         exit;
     }
 }