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| 1 | <?php declare(strict_types=1); |
| 2 | /** |
| 3 | * PrivateBin |
| 4 | * |
| 5 | * a zero-knowledge paste bin |
| 6 | * |
| 7 | * @link https://github.com/PrivateBin/PrivateBin |
| 8 | * @copyright 2012 Sébastien SAUVAGE (sebsauvage.net) |
| 9 | * @license https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License |
| 10 | */ |
| 11 | |
| 12 | namespace PrivateBin; |
| 13 | |
| 14 | use Exception; |
| 15 | |
| 16 | /** |
| 17 | * View |
| 18 | * |
| 19 | * Displays the templates |
| 20 | */ |
| 21 | class View |
| 22 | { |
| 23 | /** |
| 24 | * variables available in the template |
| 25 | * |
| 26 | * @access private |
| 27 | * @var array |
| 28 | */ |
| 29 | private $_variables = array(); |
| 30 | |
| 31 | /** |
| 32 | * assign variables to be used inside of the template |
| 33 | * |
| 34 | * @access public |
| 35 | * @param string $name |
| 36 | * @param mixed $value |
| 37 | */ |
| 38 | public function assign($name, $value) |
| 39 | { |
| 40 | $this->_variables[$name] = $value; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * render a template |
| 45 | * |
| 46 | * @access public |
| 47 | * @param string $template |
| 48 | * @throws Exception |
| 49 | */ |
| 50 | public function draw($template) |
| 51 | { |
| 52 | $file = substr($template, 0, 10) === 'bootstrap-' ? 'bootstrap' : $template; |
| 53 | $path = PATH . 'tpl' . DIRECTORY_SEPARATOR . $file . '.php'; |
| 54 | if (!file_exists($path)) { |
| 55 | throw new Exception('Template ' . $template . ' not found!', 80); |
| 56 | } |
| 57 | extract($this->_variables); |
| 58 | include $path; |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * echo script tag incl. SRI hash for given script file |
| 63 | * |
| 64 | * @access private |
| 65 | * @param string $file |
| 66 | * @param string $attributes additional attributes to add into the script tag |
| 67 | */ |
| 68 | private function _scriptTag($file, $attributes = '') |
| 69 | { |
| 70 | $sri = array_key_exists($file, $this->_variables['SRI']) ? |
| 71 | ' integrity="' . $this->_variables['SRI'][$file] . '"' : ''; |
| 72 | // if the file isn't versioned (ends in a digit), add our own version |
| 73 | $cacheBuster = ctype_digit(substr($file, -4, 1)) ? |
| 74 | '' : '?' . rawurlencode($this->_variables['VERSION']); |
| 75 | echo '<script ', $attributes, |
| 76 | ' type="text/javascript" data-cfasync="false" src="', $file, |
| 77 | $cacheBuster, '"', $sri, ' crossorigin="anonymous"></script>', PHP_EOL; |
| 78 | } |
| 79 | } |