diff options
| -rw-r--r-- | system/libraries/Upload.php | 36 | ||||
| -rw-r--r-- | user_guide_src/source/changelog.rst | 1 |
2 files changed, 24 insertions, 13 deletions
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php index 23fd02ead..778ed6892 100644 --- a/system/libraries/Upload.php +++ b/system/libraries/Upload.php @@ -1218,21 +1218,31 @@ class CI_Upload { // We'll need this to validate the MIME info string (e.g. text/plain; charset=us-ascii) $regexp = '/^([a-z\-]+\/[a-z0-9\-\.\+]+)(;\s.+)?$/'; - // Fileinfo extension - most reliable method - $finfo = @finfo_open(FILEINFO_MIME); - if (is_resource($finfo)) // It is possible that a FALSE value is returned, if there is no magic MIME database file found on the system + /** + * Fileinfo extension - most reliable method + * + * Apparently XAMPP, CentOS, cPanel and who knows what + * other PHP distribution channels EXPLICITLY DISABLE + * ext/fileinfo, which is otherwise enabled by default + * since PHP 5.3 ... + */ + if (function_exists('finfo_file')) { - $mime = @finfo_file($finfo, $file['tmp_name']); - finfo_close($finfo); - - /* According to the comments section of the PHP manual page, - * it is possible that this function returns an empty string - * for some files (e.g. if they don't exist in the magic MIME database) - */ - if (is_string($mime) && preg_match($regexp, $mime, $matches)) + $finfo = @finfo_open(FILEINFO_MIME); + if (is_resource($finfo)) // It is possible that a FALSE value is returned, if there is no magic MIME database file found on the system { - $this->file_type = $matches[1]; - return; + $mime = @finfo_file($finfo, $file['tmp_name']); + finfo_close($finfo); + + /* According to the comments section of the PHP manual page, + * it is possible that this function returns an empty string + * for some files (e.g. if they don't exist in the magic MIME database) + */ + if (is_string($mime) && preg_match($regexp, $mime, $matches)) + { + $this->file_type = $matches[1]; + return; + } } } diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index 4a1ce3461..ffa0597b7 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -12,6 +12,7 @@ Bug fixes for 3.1.3 - Fixed a bug (#4886) - :doc:`Database Library <database/inded>` didn't differentiate bind markers inside double-quoted strings in queries. - Fixed a bug (#4890) - :doc:`XML-RPC Library <libraries/xmlrpc>` didn't work on PHP 7. +- Fixed a regression (#4887) - :doc:`File Uploading Library <libraries/file_uploading>` triggered fatal errors due to numerous PHP distribution channels (XAMPP and cPanel confirmed) explicitly disabling ext/fileinfo by default. Version 3.1.2 ============= |