diff options
| -rw-r--r-- | engine/classes/ElggFile.php | 41 | ||||
| -rw-r--r-- | mod/file/actions/file/upload.php | 7 |
2 files changed, 45 insertions, 3 deletions
diff --git a/engine/classes/ElggFile.php b/engine/classes/ElggFile.php index fe25491a8..f21621ffd 100644 --- a/engine/classes/ElggFile.php +++ b/engine/classes/ElggFile.php @@ -121,6 +121,47 @@ class ElggFile extends ElggObject { } /** + * Detects mime types based on filename or actual file. + * + * @param mixed $file The full path of the file to check. For uploaded files, use tmp_name. + * @param mixed $default A default. Useful to pass what the browser thinks it is. + * @since 1.7.12 + * + * @return mixed Detected type on success, false on failure. + */ + static function detectMimeType($file = null, $default = null) { + if (!$file) { + if (isset($this) && $this->filename) { + $file = $this->filename; + } else { + return false; + } + } + + $mime = false; + + // for PHP5 folks. + if (function_exists('finfo_file') && defined('FILEINFO_MIME_TYPE')) { + $resource = finfo_open(FILEINFO_MIME_TYPE); + if ($resource) { + $mime = finfo_file($resource, $file); + } + } + + // for everyone else. + if (!$mime && function_exists('mime_content_type')) { + $mime = mime_content_type($file); + } + + // default + if (!$mime) { + return $default; + } + + return $mime; + } + + /** * Set the optional file description. * * @param string $description The description. diff --git a/mod/file/actions/file/upload.php b/mod/file/actions/file/upload.php index 88a01745d..ee2889b4c 100644 --- a/mod/file/actions/file/upload.php +++ b/mod/file/actions/file/upload.php @@ -90,10 +90,11 @@ if (isset($_FILES['upload']['name']) && !empty($_FILES['upload']['name'])) { $filestorename = elgg_strtolower(time().$_FILES['upload']['name']); } - $file->setFilename($prefix.$filestorename); - $file->setMimeType($_FILES['upload']['type']); + $mime_type = $file->detectMimeType($_FILES['upload']['tmp_name'], $_FILES['upload']['type']); + $file->setFilename($prefix . $filestorename); + $file->setMimeType($mime_type); $file->originalfilename = $_FILES['upload']['name']; - $file->simpletype = file_get_simple_type($_FILES['upload']['type']); + $file->simpletype = file_get_simple_type($mime_type); // Open the file to guarantee the directory exists $file->open("write"); |