function mime_content_type($filename)
{
if (function_exists('finfo_open')) {
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mime = finfo_file($finfo, $filename);
finfo_close($finfo);
return $mime;
}
// define based on file extension
$mime = mime_type_by_extension($filename);
if ($mime) {
return $mime;
} else {
return 'application/octet-stream';
}
}
/**
* Overridden to add stream context while uploading files with actual ContentType
* @inheritdoc
*/
protected function handle_file_upload($uploaded_file, $name, $size, $type, $error, $index = null, $content_range = null)
{
$file = new \stdClass();
$file->name = $this->get_file_name($uploaded_file, $name, $size, $type, $error, $index, $content_range);
$file->size = strval($size);
$file->type = $type;
if ($this->validate($uploaded_file, $file, $error, $index)) {
$this->handle_form_data($file, $index);
$upload_dir = $this->get_upload_path();
if (!is_dir($upload_dir)) {
mkdir($upload_dir, $this->options['mkdir_mode'], true);
}
$file_path = $this->get_upload_path($file->name);
$append_file = $content_range && is_file($file_path) && $file->size > $this->get_file_size($file_path);
if ($uploaded_file && is_uploaded_file($uploaded_file)) {
// multipart/formdata uploads (POST method uploads)
file_put_contents($file_path, fopen($uploaded_file, 'r'), $append_file ? FILE_APPEND : 0, stream_context_create(array('s3' => array('ContentType' => mime_type_by_extension($name)))));
} else {
// Non-multipart uploads (PUT method support)
file_put_contents($file_path, fopen($this->options['input_stream'], 'r'), $append_file ? FILE_APPEND : 0, stream_context_create(array('s3' => array('ContentType' => mime_content_type($uploaded_file)))));
}
$file_size = $this->get_file_size($file_path, $append_file);
if ($file_size === $file->size) {
$file->url = $this->get_download_url($file->name);
if ($this->is_valid_image_file($file_path)) {
$this->handle_image_file($file_path, $file);
}
} else {
$file->size = $file_size;
if (!$content_range && $this->options['discard_aborted_uploads']) {
unlink($file_path);
$file->error = $this->get_error_message('abort');
}
}
$this->set_additional_file_properties($file);
}
return $file;
}
/**
* Retrieve mime type of S3 object
* @param string $fullPath
* @return string
*/
public function getMimeType($fullPath)
{
$dynamicPath = $this->getDynamicPath($fullPath, false);
$meta = $this->metadata($dynamicPath);
$mime_type = $meta['content-type'];
// try to define mime type based on file extension if default "octet-stream" is obtained
if (end(explode('/', $mime_type)) === 'octet-stream') {
$mime_type = mime_type_by_extension($this->get['path']);
}
return $mime_type;
}
