PHP finfo::file方法代码示例

 /**
  * @param FileJudgementBuilder $fileJudgementBuilder
  * @return FileJudgementBuilder
  */
 protected function applyFileProperties(FileJudgementBuilder $fileJudgementBuilder)
 {
     $this->actualFileSize = filesize($this->filepath);
     $finfo = new \finfo(FILEINFO_MIME_TYPE);
     $this->actualMediaType = explode("/", $finfo->file($this->filepath))[0];
     $this->actualMediaTypeSubtype = explode("/", $finfo->file($this->filepath))[1];
     $fileJudgementBuilder->setFileSize($this->actualFileSize);
     $fileJudgementBuilder->setMediaType($this->actualMediaType);
     $fileJudgementBuilder->setMediaTypeSubtype($this->actualMediaTypeSubtype);
     return $fileJudgementBuilder;
 }

 /**
  * Set the content for this file from the given filename.
  * Calls file_get_contents with the given filename
  *
  * @param string $filename name of the file which contents should be used
  */
 public function setFileContentFromFilesystem($filename)
 {
     $this->getContent();
     $stream = fopen($filename, 'rb');
     if (!$stream) {
         throw new \RuntimeException("File '{$filename}' not found");
     }
     $this->content->setData($stream);
     $this->content->setLastModified(new \DateTime('@' . filemtime($filename)));
     $finfo = new \finfo();
     $this->content->setEncoding($finfo->file($filename, FILEINFO_MIME_ENCODING));
     $this->content->setMimeType($finfo->file($filename, FILEINFO_MIME_TYPE));
     $this->updateDimensionsFromContent();
 }

 /**
  * 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
         $file = getimagesize($filename);
         if (!empty($file['mime'])) {
             return $file['mime'];
         }
     }
     if (function_exists('finfo_open')) {
         $info = new finfo(FILEINFO_MIME_TYPE);
         return $info->file($filename);
     }
     if (ini_get('mime_magic.magicfile') && function_exists('mime_content_type')) {
         // mime_content_type is deprecated since PHP 5.3.0
         return mime_content_type($filename);
     }
     if ($extension) {
         return static::mimeForExtension($extension);
     }
     // Unable to find the mime-type
     return false;
 }

 /**
  * 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);
         }
     }
 }

 /**
  * 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;
 }

 /**
  * 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!");
     }
 }

 /**
  * @param $filepath
  * @param string|null $type set mime type
  * @return mixed
  */
 public function send($filepath, $type = null)
 {
     if (empty($type)) {
         $finfo = new \finfo(FILEINFO_MIME_TYPE);
         $type = $finfo->file($filepath);
     }
     $getData = array();
     $url = 'upload/';
     $postData = array('|file[]' => '@' . $filepath . ";type=" . trim($type, ';') . ";");
     $addToken = true;
     if (!is_string($filepath)) {
         throw new Exception('$file_url doit être une chaîne de caractères.');
     }
     $this->getClient()->buildURL($url, $getData, $postData, $addToken);
     $ch = curl_init();
     curl_setopt_array($ch, array(CURLOPT_URL => $url, CURLOPT_RETURNTRANSFER => true, CURLINFO_HEADER_OUT => true, CURLOPT_HEADER => true, CURLOPT_POST => true, CURLOPT_POSTFIELDS => $postData));
     $res = explode("\r\n\r\n", curl_exec($ch));
     $info = curl_getinfo($ch);
     $info = array('request' => array('url' => $info['url'], 'header' => curl_getinfo($ch, CURLINFO_HEADER_OUT), 'post_data' => json_encode($postData), 'content_type' => $info['content_type']), 'response' => array('header' => $res[0], 'http_code' => $info['http_code'], 'data' => json_decode($res[1], true)));
     $this->getClient()->setLastRequest($info['request']);
     $this->getClient()->setLastResponse($info['response']);
     if ($info['response']['http_code'] != '200') {
         $this->getClient()->getLogger()->critical('CURL Request failed');
         if ($this->getClient()->isDebugMode()) {
             throw new Exception('CURL Request failed.');
         }
     }
     curl_close($ch);
     $jsonData = json_decode($res[2], true);
     return isset($jsonData['data'][0]) ? $jsonData['data'][0] : null;
 }

 public function checkForImages($arrFiles)
 {
     global $GLOBALS;
     if (isset($GLOBALS['TL_CONFIG']['krakenIo_enable']) && $GLOBALS['TL_CONFIG']['krakenIo_enable'] == true) {
         if (isset($GLOBALS['TL_CONFIG']['krakenIo_apiKey']) && isset($GLOBALS['TL_CONFIG']['krakenIo_apiSecret'])) {
             $getMimeType = new \finfo(FILEINFO_MIME_TYPE);
             $allowedTypes = array('image/jpeg', 'image/png');
             $krakenIoApi = new KrakenIoApi($GLOBALS['TL_CONFIG']['krakenIo_apiKey'], $GLOBALS['TL_CONFIG']['krakenIo_apiSecret']);
             foreach ($arrFiles as $file) {
                 if (in_array($getMimeType->file(TL_ROOT . '/' . $file), $allowedTypes)) {
                     if (!strpos('assets', $file)) {
                         $params = array('file' => TL_ROOT . '/' . $file, 'wait' => true);
                         if (isset($GLOBALS['TL_CONFIG']['krakenIo_enable']) && $GLOBALS['TL_CONFIG']['krakenIo_enable'] == true) {
                             $params['lossy'] = true;
                         }
                         $krakenIoApiResponse = $krakenIoApi->upload($params);
                         $this->parseKrakenIoResponse($krakenIoApiResponse, $file);
                     }
                 }
             }
         } else {
             \System::log($GLOBALS['TL_LANG']['ERR']['krakenIo_404'], 'krakenIoInterface parseKrakenIoResponse()', TL_ERROR);
         }
     }
 }

 /**
  * @param \SplFileInfo $file
  * @return string
  */
 public function mime(\SplFileInfo $file)
 {
     if (empty($this->_fInfo)) {
         $this->_fInfo = new \finfo(FILEINFO_MIME_TYPE);
     }
     return $this->_fInfo->file($file->getRealPath());
 }

 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 __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));
  }

 /**
  * 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));
 }

 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;
 }

function uploadFile($uploadUrl, $filePath, $blockSize = 1024)
{
    $filePath = realpath($filePath);
    /* determing file mime-type */
    $finfo = new finfo(FILEINFO_MIME_TYPE);
    $contentType = $finfo->file($filePath);
    $fileSize = filesize($filePath);
    $fp = fopen($filePath, "rb");
    /* Perform chunked file uploading */
    for ($i = 0; $i * $blockSize < $fileSize; $i++) {
        if (($i + 1) * $blockSize > $fileSize) {
            $size = $fileSize - $i * $blockSize;
        } else {
            $size = $blockSize;
        }
        $data = fread($fp, $size);
        $opts = array('http' => array('method' => 'PUT', 'header' => array('Content-type: ' . $contentType, "X-File-Chunk: {$i}"), 'content' => $data));
        $context = stream_context_create($opts);
        $uploadResponse = json_decode(file_get_contents($uploadUrl, false, $context));
        if (!$uploadResponse->ok) {
            return (object) array("ok" => FALSE, "errorMessage" => $uploadResponse->errorMessage);
        }
    }
    return (object) array("ok" => TRUE, "numberOfChunks" => $fileSize / $blockSize + 1);
}