| @@ -1,14 +1,12 @@ | ||
| 1 | 1 | <?php |
| 2 | 2 | |
| 3 | 3 | /** |
| 4 | - * E2pdf Filter Helper | |
| 5 | - * | |
| 6 | - * @copyright Copyright 2017 https://e2pdf.com | |
| 7 | - * @license GPL v2 | |
| 8 | - * @version 1 | |
| 9 | - * @link https://e2pdf.com | |
| 10 | - * @since 1.07.09 | |
| 4 | + * File: /helper/e2pdf-filter.php | |
| 5 | + * | |
| 6 | + * @package E2Pdf | |
| 7 | + * @license GPLv3 | |
| 8 | + * @link https://e2pdf.com | |
| 11 | 9 | */ |
| 12 | 10 | if (!defined('ABSPATH')) { |
| 13 | 11 | die('Access denied.'); |
| 14 | 12 | } |
| @@ -14,12 +12,13 @@ | ||
| 14 | 12 | } |
| 15 | 13 | |
| 16 | 14 | class Helper_E2pdf_Filter { |
| 17 | 15 | |
| 16 | + // is stream | |
| 18 | 17 | public function is_stream($file_path) { |
| 19 | 18 | if (strpos($file_path, '://') > 0) { |
| 20 | 19 | $wrappers = array( |
| 21 | - 'phar' | |
| 20 | + 'phar', | |
| 22 | 21 | ); |
| 23 | 22 | if (function_exists('stream_get_wrappers')) { |
| 24 | 23 | $wrappers = stream_get_wrappers(); |
| 25 | 24 | } |
| @@ -24,9 +23,9 @@ | ||
| 24 | 23 | $wrappers = stream_get_wrappers(); |
| 25 | 24 | } |
| 26 | 25 | |
| 27 | 26 | foreach ($wrappers as $wrapper) { |
| 28 | - if (in_array($wrapper, ['http', 'https', 'file'])) { | |
| 27 | + if (in_array($wrapper, ['http', 'https', 'file'], true)) { | |
| 29 | 28 | continue; |
| 30 | 29 | } |
| 31 | 30 | if (stripos($file_path, $wrapper . '://') === 0) { |
| 32 | 31 | return true; |
| @@ -35,5 +34,36 @@ | ||
| 35 | 34 | } |
| 36 | 35 | return false; |
| 37 | 36 | } |
| 38 | 37 | |
| 38 | + // is downloadable | |
| 39 | + public function is_downloadable($file_path) { | |
| 40 | + if (!$file_path || !$this->is_downloadable_ext($file_path)) { | |
| 41 | + return false; | |
| 42 | + } | |
| 43 | + return true; | |
| 44 | + } | |
| 45 | + | |
| 46 | + // is downlodable ext | |
| 47 | + public function is_downloadable_ext($file_path) { | |
| 48 | + $ext = strtolower(pathinfo($file_path, PATHINFO_EXTENSION)); | |
| 49 | + $allowed = apply_filters( | |
| 50 | + 'e2pdf_helper_filter_is_downloadable_allowed_extensions', | |
| 51 | + ['pdf', 'jpg', 'doc', 'docx'] | |
| 52 | + ); | |
| 53 | + return in_array($ext, $allowed, true); | |
| 54 | + } | |
| 55 | + | |
| 56 | + // filter html tags | |
| 57 | + public function filter_html_tags($value) { | |
| 58 | + if ($value) { | |
| 59 | + $tags = array( | |
| 60 | + 'script', | |
| 61 | + 'style', | |
| 62 | + ); | |
| 63 | + foreach ($tags as $tag) { | |
| 64 | + $value = preg_replace('#<' . $tag . '(.*?)>(.*?)</' . $tag . '>#is', '', $value); | |
| 65 | + } | |
| 66 | + } | |
| 67 | + return $value; | |
| 68 | + } | |
| 39 | 69 | } |