textdomain("statusnet");
}
-
function common_timezone()
{
if (common_logged_in()) {
return common_config('site', 'timezone');
}
+function common_valid_language($lang)
+{
+ if ($lang) {
+ // Validate -- we don't want to end up with a bogus code
+ // left over from some old junk.
+ foreach (common_config('site', 'languages') as $code => $info) {
+ if ($info['lang'] == $lang) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
function common_language()
{
+ // Allow ?uselang=xx override, very useful for debugging
+ // and helping translators check usage and context.
+ if (isset($_GET['uselang'])) {
+ $uselang = strval($_GET['uselang']);
+ if (common_valid_language($uselang)) {
+ return $uselang;
+ }
+ }
+
// If there is a user logged in and they've set a language preference
// then return that one...
if (_have_config() && common_logged_in()) {
$user = common_current_user();
- $user_language = $user->language;
-
- if ($user->language) {
- // Validate -- we don't want to end up with a bogus code
- // left over from some old junk.
- foreach (common_config('site', 'languages') as $code => $info) {
- if ($info['lang'] == $user_language) {
- return $user_language;
- }
- }
+
+ if (common_valid_language($user->language)) {
+ return $user->language;
}
}
function common_shorten_links($text, $always = false)
{
- $maxLength = Notice::maxContent();
- if (!$always && ($maxLength == 0 || mb_strlen($text) <= $maxLength)) return $text;
- return common_replace_urls_callback($text, array('File_redirection', 'makeShort'));
+ common_debug("common_shorten_links() called");
+
+ $user = common_current_user();
+
+ $maxLength = User_urlshortener_prefs::maxNoticeLength($user);
+
+ common_debug("maxLength = $maxLength");
+
+ if ($always || mb_strlen($text) > $maxLength) {
+ common_debug("Forcing shortening");
+ return common_replace_urls_callback($text, array('File_redirection', 'forceShort'));
+ } else {
+ common_debug("Not forcing shortening");
+ return common_replace_urls_callback($text, array('File_redirection', 'makeShort'));
+ }
}
+ /**
+ * Very basic stripping of invalid UTF-8 input text.
+ *
+ * @param string $str
+ * @return mixed string or null if invalid input
+ *
+ * @todo ideally we should drop bad chars, and maybe do some of the checks
+ * from common_xml_safe_str. But we can't strip newlines, etc.
+ * @todo Unicode normalization might also be useful, but not needed now.
+ */
+ function common_validate_utf8($str)
+ {
+ // preg_replace will return NULL on invalid UTF-8 input.
+ return preg_replace('//u', '', $str);
+ }
+
+ /**
+ * Make sure an arbitrary string is safe for output in XML as a single line.
+ *
+ * @param string $str
+ * @return string
+ */
function common_xml_safe_str($str)
{
// Replace common eol and extra whitespace input chars
exit;
}
-function common_broadcast_notice($notice, $remote=false)
-{
- // DO NOTHING!
-}
+// Stick the notice on the queue
-/**
- * Stick the notice on the queue.
- */
function common_enqueue_notice($notice)
{
static $localTransports = array('omb',
$transports[] = 'plugin';
}
- $xmpp = common_config('xmpp', 'enabled');
-
- if ($xmpp) {
- $transports[] = 'jabber';
- }
-
// We can skip these for gatewayed notices.
if ($notice->isLocal()) {
$transports = array_merge($transports, $localTransports);
- if ($xmpp) {
- $transports[] = 'public';
- }
}
if (Event::handle('StartEnqueueNotice', array($notice, &$transports))) {
array_key_exists($sub, $config[$main])) ? $config[$main][$sub] : false;
}
+ /**
+ * Pull arguments from a GET/POST/REQUEST array with first-level input checks:
+ * strips "magic quotes" slashes if necessary, and kills invalid UTF-8 strings.
+ *
+ * @param array $from
+ * @return array
+ */
function common_copy_args($from)
{
$to = array();
$strip = get_magic_quotes_gpc();
foreach ($from as $k => $v) {
- if($strip) {
- if(is_array($v)) {
- $to[$k] = common_copy_args($v);
- } else {
- $to[$k] = stripslashes($v);
- }
+ if(is_array($v)) {
+ $to[$k] = common_copy_args($v);
} else {
- $to[$k] = $v;
+ if ($strip) {
+ $v = stripslashes($v);
+ }
+ $to[$k] = strval(common_validate_utf8($v));
}
}
return $to;
return $_SESSION['token'];
}
-function common_cache_key($extra)
-{
- return Cache::key($extra);
-}
-
-function common_keyize($str)
-{
- return Cache::keyize($str);
-}
-
-function common_memcache()
-{
- return Cache::instance();
-}
-
function common_license_terms($uri)
{
if(preg_match('/creativecommons.org\/licenses\/([^\/]+)/', $uri, $matches)) {
/**
* Shorten a URL with the current user's configured shortening service,
* or ur1.ca if configured, or not at all if no shortening is set up.
- * Length is not considered.
*
- * @param string $long_url
+ * @param string $long_url original URL
+ * @param boolean $force Force shortening (used when notice is too long)
+ *
* @return string may return the original URL if shortening failed
*
* @fixme provide a way to specify a particular shortener
* @fixme provide a way to specify to use a given user's shortening preferences
*/
-function common_shorten_url($long_url)
+
+function common_shorten_url($long_url, $force = false)
{
+ common_debug("Shortening URL '$long_url' (force = $force)");
+
$long_url = trim($long_url);
+
$user = common_current_user();
- if (empty($user)) {
- // common current user does not find a user when called from the XMPP daemon
- // therefore we'll set one here fix, so that XMPP given URLs may be shortened
- $shortenerName = 'ur1.ca';
- } else {
- $shortenerName = $user->urlshorteningservice;
+
+ $maxUrlLength = User_urlshortener_prefs::maxUrlLength($user);
+ common_debug("maxUrlLength = $maxUrlLength");
+
+ // $force forces shortening even if it's not strictly needed
+
+ if (mb_strlen($long_url) < $maxUrlLength && !$force) {
+ common_debug("Skipped shortening URL.");
+ return $long_url;
}
- if(Event::handle('StartShortenUrl', array($long_url,$shortenerName,&$shortenedUrl))){
+ $shortenerName = User_urlshortener_prefs::urlShorteningService($user);
+
+ common_debug("Shortener name = '$shortenerName'");
+
+ if (Event::handle('StartShortenUrl', array($long_url, $shortenerName, &$shortenedUrl))) {
//URL wasn't shortened, so return the long url
return $long_url;
- }else{
+ } else {
//URL was shortened, so return the result
return trim($shortenedUrl);
}