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<?php
if (!function_exists('json_decode')) {
require_once('JSON.php');
function json_decode($var) {
$JSON = new Services_JSON;
return (array)($JSON->decode($var));
}
}
if (!function_exists('json_encode')) {
require_once('JSON.php');
function json_encode($var) {
$JSON = new Services_JSON;
return $JSON->encodeUnsafe($var);
}
}
//<Auto-loading>
function classAutoloader($class) {
if (strpos($class, 'FreshRSS') === 0) {
$components = explode('_', $class);
switch (count($components)) {
case 1:
include(APP_PATH . '/' . $components[0] . '.php');
return;
case 2:
include(APP_PATH . '/Models/' . $components[1] . '.php');
return;
case 3: //Controllers, Exceptions
include(APP_PATH . '/' . $components[2] . 's/' . $components[1] . $components[2] . '.php');
return;
}
} elseif (strpos($class, 'Minz') === 0) {
include(LIB_PATH . '/' . str_replace('_', '/', $class) . '.php');
} elseif (strpos($class, 'SimplePie') === 0) {
include(LIB_PATH . '/SimplePie/' . str_replace('_', '/', $class) . '.php');
}
}
spl_autoload_register('classAutoloader');
//</Auto-loading>
function checkUrl($url) {
if (empty ($url)) {
return '';
}
if (!preg_match ('#^https?://#i', $url)) {
$url = 'http://' . $url;
}
if (filter_var($url, FILTER_VALIDATE_URL) ||
(version_compare(PHP_VERSION, '5.3.3', '<') && (strpos($url, '-') > 0) && //PHP bug #51192
($url === filter_var($url, FILTER_SANITIZE_URL)))) {
return $url;
} else {
return false;
}
}
// tiré de Shaarli de Seb Sauvage //Format RFC 4648 base64url
function small_hash ($txt) {
$t = rtrim (base64_encode (hash ('crc32', $txt, true)), '=');
return strtr ($t, '+/', '-_');
}
function formatNumber($n, $precision = 0) {
return str_replace(' ', ' ', //Espace fine insécable
number_format($n, $precision, '.', ' ')); //number_format does not seem to be Unicode-compatible
}
function formatBytes($bytes, $precision = 2, $system = 'IEC') {
if ($system === 'IEC') {
$base = 1024;
$units = array('B', 'KiB', 'MiB', 'GiB', 'TiB');
} elseif ($system === 'SI') {
$base = 1000;
$units = array('B', 'KB', 'MB', 'GB', 'TB');
}
$bytes = max(intval($bytes), 0);
$pow = $bytes === 0 ? 0 : floor(log($bytes) / log($base));
$pow = min($pow, count($units) - 1);
$bytes /= pow($base, $pow);
return formatNumber($bytes, $precision) . ' ' . $units[$pow];
}
function timestamptodate ($t, $hour = true) {
$month = Minz_Translate::t (date('M', $t));
if ($hour) {
$date = Minz_Translate::t ('format_date_hour', $month);
} else {
$date = Minz_Translate::t ('format_date', $month);
}
return @date ($date, $t);
}
function html_only_entity_decode($text) {
static $htmlEntitiesOnly = null;
if ($htmlEntitiesOnly === null) {
if (version_compare(PHP_VERSION, '5.3.4') >= 0) {
$htmlEntitiesOnly = array_flip(array_diff(
get_html_translation_table(HTML_ENTITIES, ENT_NOQUOTES, 'UTF-8'), //Decode HTML entities
get_html_translation_table(HTML_SPECIALCHARS, ENT_NOQUOTES, 'UTF-8') //Preserve XML entities
));
} else {
$htmlEntitiesOnly = array_map('utf8_encode', array_flip(array_diff(
get_html_translation_table(HTML_ENTITIES, ENT_NOQUOTES), //Decode HTML entities
get_html_translation_table(HTML_SPECIALCHARS, ENT_NOQUOTES) //Preserve XML entities
)));
}
}
return strtr($text, $htmlEntitiesOnly);
}
function customSimplePie() {
$simplePie = new SimplePie();
$simplePie->set_useragent(Minz_Translate::t('freshrss') . '/' . FRESHRSS_VERSION . ' (' . PHP_OS . '; ' . FRESHRSS_WEBSITE . ') ' . SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION);
$simplePie->set_cache_location(CACHE_PATH);
$simplePie->set_cache_duration(1500);
$simplePie->strip_htmltags(array(
'base', 'blink', 'body', 'doctype', 'embed',
'font', 'form', 'frame', 'frameset', 'html',
'input', 'marquee', 'meta', 'noscript',
'object', 'param', 'plaintext', 'script', 'style',
));
$simplePie->strip_attributes(array_merge($simplePie->strip_attributes, array(
'autoplay', 'onload', 'onunload', 'onclick', 'ondblclick', 'onmousedown', 'onmouseup',
'onmouseover', 'onmousemove', 'onmouseout', 'onfocus', 'onblur',
'onkeypress', 'onkeydown', 'onkeyup', 'onselect', 'onchange', 'seamless')));
$simplePie->add_attributes(array(
'img' => array('lazyload' => ''), //http://www.w3.org/TR/resource-priorities/
'audio' => array('preload' => 'none'),
'iframe' => array('postpone' => '', 'sandbox' => 'allow-scripts allow-same-origin'),
'video' => array('postpone' => '', 'preload' => 'none'),
));
$simplePie->set_url_replacements(array(
'a' => 'href',
'area' => 'href',
'audio' => 'src',
'blockquote' => 'cite',
'del' => 'cite',
'form' => 'action',
'iframe' => 'src',
'img' => array(
'longdesc',
'src'
),
'input' => 'src',
'ins' => 'cite',
'q' => 'cite',
'source' => 'src',
'track' => 'src',
'video' => array(
'poster',
'src',
),
));
return $simplePie;
}
function sanitizeHTML($data, $base = '') {
static $simplePie = null;
if ($simplePie == null) {
$simplePie = customSimplePie();
$simplePie->init();
}
return html_only_entity_decode($simplePie->sanitize->sanitize($data, SIMPLEPIE_CONSTRUCT_HTML, $base));
}
/* permet de récupérer le contenu d'un article pour un flux qui n'est pas complet */
function get_content_by_parsing ($url, $path) {
require_once (LIB_PATH . '/lib_phpQuery.php');
syslog(LOG_INFO, 'FreshRSS GET ' . $url);
$html = file_get_contents ($url);
if ($html) {
$doc = phpQuery::newDocument ($html);
$content = $doc->find ($path);
return sanitizeHTML($content->__toString(), $url);
} else {
throw new Exception ();
}
}
/**
* Add support of image lazy loading
* Move content from src attribute to data-original
* @param content is the text we want to parse
*/
function lazyimg($content) {
return preg_replace(
'/<img([^>]+?)src=[\'"]([^"\']+)[\'"]([^>]*)>/i',
'<img$1src="' . Minz_Url::display('/themes/icons/grey.gif') . '" data-original="$2"$3>',
$content
);
}
function lazyIframe($content) {
return preg_replace(
'/<iframe([^>]+?)src=[\'"]([^"\']+)[\'"]([^>]*)>/i',
'<iframe$1src="about:blank" data-original="$2"$3>',
$content
);
}
function uTimeString() {
$t = @gettimeofday();
return $t['sec'] . str_pad($t['usec'], 6, '0');
}
function uSecString() {
$t = @gettimeofday();
return str_pad($t['usec'], 6, '0');
}
function invalidateHttpCache() {
touch(LOG_PATH . '/' . Minz_Session::param('currentUser', '_') . '.log');
Minz_Session::_param('touch', uTimeString());
}
function usernameFromPath($userPath) {
if (preg_match('%/([a-z0-9]{1,16})_user\.php$%', $userPath, $matches)) {
return $matches[1];
} else {
return '';
}
}
function listUsers() {
return array_map('usernameFromPath', glob(DATA_PATH . '/*_user.php'));
}
function httpAuthUser() {
return isset($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'] : '';
}
|
