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<?php |
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if (!function_exists('json_decode')) { |
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require_once('JSON.php'); |
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function json_decode($var) { |
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$JSON = new Services_JSON; |
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return (array)($JSON->decode($var)); |
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} |
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} |
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if (!function_exists('json_encode')) { |
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require_once('JSON.php'); |
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function json_encode($var) { |
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$JSON = new Services_JSON; |
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return $JSON->encodeUnsafe($var); |
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} |
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} |
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//<Auto-loading> |
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function classAutoloader($class) { |
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if (strpos($class, 'FreshRSS') === 0) { |
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$components = explode('_', $class); |
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switch (count($components)) { |
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case 1: |
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include(APP_PATH . '/' . $components[0] . '.php'); |
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return; |
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case 2: |
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include(APP_PATH . '/Models/' . $components[1] . '.php'); |
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return; |
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case 3: //Controllers, Exceptions |
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@include(APP_PATH . '/' . $components[2] . 's/' . $components[1] . $components[2] . '.php'); |
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return; |
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} |
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} elseif (strpos($class, 'Minz') === 0) { |
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include(LIB_PATH . '/' . str_replace('_', '/', $class) . '.php'); |
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} elseif (strpos($class, 'SimplePie') === 0) { |
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include(LIB_PATH . '/SimplePie/' . str_replace('_', '/', $class) . '.php'); |
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} |
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} |
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spl_autoload_register('classAutoloader'); |
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//</Auto-loading> |
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function checkUrl($url) { |
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if (empty ($url)) { |
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return ''; |
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} |
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if (!preg_match ('#^https?://#i', $url)) { |
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$url = 'http://' . $url; |
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} |
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if (filter_var($url, FILTER_VALIDATE_URL) || |
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(version_compare(PHP_VERSION, '5.3.3', '<') && (strpos($url, '-') > 0) && //PHP bug #51192 |
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($url === filter_var($url, FILTER_SANITIZE_URL)))) { |
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return $url; |
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} else { |
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return false; |
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} |
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} |
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function formatNumber($n, $precision = 0) { |
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return str_replace(' ', ' ', //Espace insécable //TODO: remplacer par une espace _fine_ insécable |
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number_format($n, $precision, '.', ' ')); //number_format does not seem to be Unicode-compatible |
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} |
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function formatBytes($bytes, $precision = 2, $system = 'IEC') { |
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if ($system === 'IEC') { |
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$base = 1024; |
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$units = array('B', 'KiB', 'MiB', 'GiB', 'TiB'); |
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} elseif ($system === 'SI') { |
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$base = 1000; |
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$units = array('B', 'KB', 'MB', 'GB', 'TB'); |
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} |
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$bytes = max(intval($bytes), 0); |
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$pow = $bytes === 0 ? 0 : floor(log($bytes) / log($base)); |
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$pow = min($pow, count($units) - 1); |
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$bytes /= pow($base, $pow); |
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return formatNumber($bytes, $precision) . ' ' . $units[$pow]; |
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} |
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function timestamptodate ($t, $hour = true) { |
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$month = Minz_Translate::t (date('M', $t)); |
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if ($hour) { |
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$date = Minz_Translate::t ('format_date_hour', $month); |
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} else { |
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$date = Minz_Translate::t ('format_date', $month); |
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} |
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return @date ($date, $t); |
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} |
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function html_only_entity_decode($text) { |
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static $htmlEntitiesOnly = null; |
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if ($htmlEntitiesOnly === null) { |
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if (version_compare(PHP_VERSION, '5.3.4') >= 0) { |
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$htmlEntitiesOnly = array_flip(array_diff( |
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get_html_translation_table(HTML_ENTITIES, ENT_NOQUOTES, 'UTF-8'), //Decode HTML entities |
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get_html_translation_table(HTML_SPECIALCHARS, ENT_NOQUOTES, 'UTF-8') //Preserve XML entities |
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)); |
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} else { |
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$htmlEntitiesOnly = array_map('utf8_encode', array_flip(array_diff( |
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get_html_translation_table(HTML_ENTITIES, ENT_NOQUOTES), //Decode HTML entities |
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get_html_translation_table(HTML_SPECIALCHARS, ENT_NOQUOTES) //Preserve XML entities |
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))); |
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} |
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} |
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return strtr($text, $htmlEntitiesOnly); |
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} |
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function customSimplePie() { |
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$simplePie = new SimplePie(); |
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$simplePie->set_useragent(Minz_Translate::t('freshrss') . '/' . FRESHRSS_VERSION . ' (' . PHP_OS . '; ' . FRESHRSS_WEBSITE . ') ' . SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION); |
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$simplePie->set_cache_location(CACHE_PATH); |
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$simplePie->set_cache_duration(800); |
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$simplePie->strip_htmltags(array( |
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'base', 'blink', 'body', 'doctype', 'embed', |
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'font', 'form', 'frame', 'frameset', 'html', |
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'link', 'input', 'marquee', 'meta', 'noscript', |
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'object', 'param', 'plaintext', 'script', 'style', |
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)); |
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$simplePie->strip_attributes(array_merge($simplePie->strip_attributes, array( |
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'autoplay', 'onload', 'onunload', 'onclick', 'ondblclick', 'onmousedown', 'onmouseup', |
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'onmouseover', 'onmousemove', 'onmouseout', 'onfocus', 'onblur', |
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'onkeypress', 'onkeydown', 'onkeyup', 'onselect', 'onchange', 'seamless'))); |
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$simplePie->add_attributes(array( |
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'img' => array('lazyload' => '', 'postpone' => ''), //http://www.w3.org/TR/resource-priorities/ |
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'audio' => array('lazyload' => '', 'postpone' => '', 'preload' => 'none'), |
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'iframe' => array('lazyload' => '', 'postpone' => '', 'sandbox' => 'allow-scripts allow-same-origin'), |
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'video' => array('lazyload' => '', 'postpone' => '', 'preload' => 'none'), |
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)); |
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$simplePie->set_url_replacements(array( |
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'a' => 'href', |
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'area' => 'href', |
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'audio' => 'src', |
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'blockquote' => 'cite', |
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'del' => 'cite', |
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'form' => 'action', |
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'iframe' => 'src', |
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'img' => array( |
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'longdesc', |
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'src' |
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), |
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'input' => 'src', |
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'ins' => 'cite', |
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'q' => 'cite', |
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'source' => 'src', |
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'track' => 'src', |
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'video' => array( |
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'poster', |
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'src', |
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), |
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)); |
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return $simplePie; |
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} |
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function sanitizeHTML($data, $base = '') { |
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static $simplePie = null; |
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if ($simplePie == null) { |
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$simplePie = customSimplePie(); |
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$simplePie->init(); |
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} |
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return html_only_entity_decode($simplePie->sanitize->sanitize($data, SIMPLEPIE_CONSTRUCT_HTML, $base)); |
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} |
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/* permet de récupérer le contenu d'un article pour un flux qui n'est pas complet */ |
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function get_content_by_parsing ($url, $path) { |
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require_once (LIB_PATH . '/lib_phpQuery.php'); |
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syslog(LOG_INFO, 'FreshRSS GET ' . $url); |
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$html = file_get_contents ($url); |
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if ($html) { |
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$doc = phpQuery::newDocument ($html); |
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$content = $doc->find ($path); |
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return sanitizeHTML($content->__toString(), $url); |
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} else { |
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throw new Exception (); |
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} |
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} |
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/** |
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* Add support of image lazy loading |
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* Move content from src attribute to data-original |
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* @param content is the text we want to parse |
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*/ |
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function lazyimg($content) { |
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return preg_replace( |
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'/<((?:img|iframe)[^>]+?)src=[\'"]([^"\']+)[\'"]([^>]*)>/i', |
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'<$1src="' . Minz_Url::display('/themes/icons/grey.gif') . '" data-original="$2"$3>', |
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$content |
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); |
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} |
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function uTimeString() { |
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$t = @gettimeofday(); |
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return $t['sec'] . str_pad($t['usec'], 6, '0'); |
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} |
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function uSecString() { |
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$t = @gettimeofday(); |
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return str_pad($t['usec'], 6, '0'); |
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} |
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function invalidateHttpCache() { |
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Minz_Session::_param('touch', uTimeString()); |
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return touch(LOG_PATH . '/' . Minz_Session::param('currentUser', '_') . '.log'); |
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} |
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function usernameFromPath($userPath) { |
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if (preg_match('%/([A-Za-z0-9]{1,16})_user\.php$%', $userPath, $matches)) { |
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return $matches[1]; |
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} else { |
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return ''; |
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} |
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} |
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function listUsers() { |
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return array_map('usernameFromPath', glob(DATA_PATH . '/*_user.php')); |
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} |
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function httpAuthUser() { |
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return isset($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'] : ''; |
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} |
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function cryptAvailable() { |
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if (version_compare(PHP_VERSION, '5.3.3', '>=')) { |
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try { |
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$hash = '$2y$04$usesomesillystringfore7hnbRJHxXVLeakoG8K30oukPsA.ztMG'; |
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return $hash === @crypt('password', $hash); |
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} catch (Exception $e) { |
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} |
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} |
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return false; |
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} |
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function is_referer_from_same_domain() { |
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if (empty($_SERVER['HTTP_REFERER'])) { |
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return false; |
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} |
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$host = parse_url(((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on') ? 'https://' : 'http://') . |
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(empty($_SERVER['HTTP_HOST']) ? $_SERVER['SERVER_NAME'] : $_SERVER['HTTP_HOST'])); |
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$referer = parse_url($_SERVER['HTTP_REFERER']); |
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if (empty($host['scheme']) || empty($referer['scheme']) || $host['scheme'] !== $referer['scheme'] || |
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empty($host['host']) || empty($referer['host']) || $host['host'] !== $referer['host']) { |
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return false; |
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} |
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return (isset($host['port']) ? $host['port'] : 0) === (isset($referer['port']) ? $referer['port'] : 0); |
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}
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