X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=lib%2Futil.php;h=049001abaf982b299ddfc89fa7bf6696e06b0f93;hb=5f4c6ec626d3d641f0712b276deb32b218b7a330;hp=c5dacb699604711db147f4177603627db462aaa8;hpb=6ea7e1c06e70b4adb459555336402a284fbe3fda;p=quix0rs-gnu-social.git diff --git a/lib/util.php b/lib/util.php index c5dacb6996..049001abaf 100644 --- a/lib/util.php +++ b/lib/util.php @@ -34,6 +34,14 @@ function common_user_error($msg, $code=400) $err->showPage(); } +/** + * This should only be used at setup; processes switching languages + * to send text to other users should use common_switch_locale(). + * + * @param string $language Locale language code (optional; empty uses + * current user's preference or site default) + * @return mixed success + */ function common_init_locale($language=null) { if(!$language) { @@ -41,28 +49,91 @@ function common_init_locale($language=null) } putenv('LANGUAGE='.$language); putenv('LANG='.$language); - return setlocale(LC_ALL, $language . ".utf8", + $ok = setlocale(LC_ALL, $language . ".utf8", $language . ".UTF8", $language . ".utf-8", $language . ".UTF-8", $language); + + return $ok; } +/** + * Initialize locale and charset settings and gettext with our message catalog, + * using the current user's language preference or the site default. + * + * This should generally only be run at framework initialization; code switching + * languages at runtime should call common_switch_language(). + * + * @access private + */ function common_init_language() { mb_internal_encoding('UTF-8'); - // gettext seems very picky... We first need to setlocale() - // to a locale which _does_ exist on the system, and _then_ - // we can set in another locale that may not be set up - // (say, ga_ES for Galego/Galician) it seems to take it. - common_init_locale("en_US"); - // Note that this setlocale() call may "fail" but this is harmless; // gettext will still select the right language. $language = common_language(); $locale_set = common_init_locale($language); + if (!$locale_set) { + // The requested locale doesn't exist on the system. + // + // gettext seems very picky... We first need to setlocale() + // to a locale which _does_ exist on the system, and _then_ + // we can set in another locale that may not be set up + // (say, ga_ES for Galego/Galician) it seems to take it. + // + // For some reason C and POSIX which are guaranteed to work + // don't do the job. en_US.UTF-8 should be there most of the + // time, but not guaranteed. + $ok = common_init_locale("en_US"); + if (!$ok) { + // Try to find a complete, working locale... + // @fixme shelling out feels awfully inefficient + // but I don't think there's a more standard way. + $all = `locale -a`; + foreach (explode("\n", $all) as $locale) { + if (preg_match('/\.utf[-_]?8$/i', $locale)) { + $ok = setlocale(LC_ALL, $locale); + if ($ok) { + break; + } + } + } + if (!$ok) { + common_log(LOG_ERR, "Unable to find a UTF-8 locale on this system; UI translations may not work."); + } + } + $locale_set = common_init_locale($language); + } + + common_init_gettext(); +} + +/** + * @access private + */ +function common_init_gettext() +{ + setlocale(LC_CTYPE, 'C'); + // So we do not have to make people install the gettext locales + $path = common_config('site','locale_path'); + bindtextdomain("statusnet", $path); + bind_textdomain_codeset("statusnet", "UTF-8"); + textdomain("statusnet"); +} + +/** + * Switch locale during runtime, and poke gettext until it cries uncle. + * Otherwise, sometimes it doesn't actually switch away from the old language. + * + * @param string $language code for locale ('en', 'fr', 'pt_BR' etc) + */ +function common_switch_locale($language=null) +{ + common_init_locale($language); + setlocale(LC_CTYPE, 'C'); // So we do not have to make people install the gettext locales $path = common_config('site','locale_path'); @@ -71,6 +142,7 @@ function common_init_language() textdomain("statusnet"); } + function common_timezone() { if (common_logged_in()) { @@ -133,6 +205,11 @@ function common_munge_password($password, $id) function common_check_user($nickname, $password) { + // empty nickname always unacceptable + if (empty($nickname)) { + return false; + } + $authenticatedUser = false; if (Event::handle('StartCheckPassword', array($nickname, $password, &$authenticatedUser))) { @@ -831,7 +908,14 @@ function common_xml_safe_str($str) function common_tag_link($tag) { $canonical = common_canonical_tag($tag); - $url = common_local_url('tag', array('tag' => $canonical)); + if (common_config('singleuser', 'enabled')) { + // regular TagAction isn't set up in 1user mode + $url = common_local_url('showstream', + array('nickname' => common_config('singleuser', 'nickname'), + 'tag' => $canonical)); + } else { + $url = common_local_url('tag', array('tag' => $canonical)); + } $xs = new XMLStringer(); $xs->elementStart('span', 'tag'); $xs->element('a', array('href' => $url, @@ -1151,9 +1235,8 @@ function common_enqueue_notice($notice) $transports[] = 'jabber'; } - // @fixme move these checks into QueueManager and/or individual handlers - if ($notice->is_local == Notice::LOCAL_PUBLIC || - $notice->is_local == Notice::LOCAL_NONPUBLIC) { + // We can skip these for gatewayed notices. + if ($notice->isLocal()) { $transports = array_merge($transports, $localTransports); if ($xmpp) { $transports[] = 'public'; @@ -1241,12 +1324,38 @@ function common_mtrand($bytes) return $enc; } +/** + * Record the given URL as the return destination for a future + * form submission, to be read by common_get_returnto(). + * + * @param string $url + * + * @fixme as a session-global setting, this can allow multiple forms + * to conflict and overwrite each others' returnto destinations if + * the user has multiple tabs or windows open. + * + * Should refactor to index with a token or otherwise only pass the + * data along its intended path. + */ function common_set_returnto($url) { common_ensure_session(); $_SESSION['returnto'] = $url; } +/** + * Fetch a return-destination URL previously recorded by + * common_set_returnto(). + * + * @return mixed URL string or null + * + * @fixme as a session-global setting, this can allow multiple forms + * to conflict and overwrite each others' returnto destinations if + * the user has multiple tabs or windows open. + * + * Should refactor to index with a token or otherwise only pass the + * data along its intended path. + */ function common_get_returnto() { common_ensure_session(); @@ -1272,7 +1381,7 @@ function common_log_line($priority, $msg) { static $syslog_priorities = array('LOG_EMERG', 'LOG_ALERT', 'LOG_CRIT', 'LOG_ERR', 'LOG_WARNING', 'LOG_NOTICE', 'LOG_INFO', 'LOG_DEBUG'); - return date('Y-m-d H:i:s') . ' ' . $syslog_priorities[$priority] . ': ' . $msg . "\n"; + return date('Y-m-d H:i:s') . ' ' . $syslog_priorities[$priority] . ': ' . $msg . PHP_EOL; } function common_request_id() @@ -1366,6 +1475,55 @@ function common_valid_tag($tag) return false; } +/** + * Determine if given domain or address literal is valid + * eg for use in JIDs and URLs. Does not check if the domain + * exists! + * + * @param string $domain + * @return boolean valid or not + */ +function common_valid_domain($domain) +{ + $octet = "(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])"; + $ipv4 = "(?:$octet(?:\.$octet){3})"; + if (preg_match("/^$ipv4$/u", $domain)) return true; + + $group = "(?:[0-9a-f]{1,4})"; + $ipv6 = "(?:\[($group(?::$group){0,7})?(::)?($group(?::$group){0,7})?\])"; // http://tools.ietf.org/html/rfc3513#section-2.2 + + if (preg_match("/^$ipv6$/ui", $domain, $matches)) { + $before = explode(":", $matches[1]); + $zeroes = $matches[2]; + $after = explode(":", $matches[3]); + if ($zeroes) { + $min = 0; + $max = 7; + } else { + $min = 1; + $max = 8; + } + $explicit = count($before) + count($after); + if ($explicit < $min || $explicit > $max) { + return false; + } + return true; + } + + try { + require_once "Net/IDNA.php"; + $idn = Net_IDNA::getInstance(); + $domain = $idn->encode($domain); + } catch (Exception $e) { + return false; + } + + $subdomain = "(?:[a-z0-9][a-z0-9-]*)"; // @fixme + $fqdn = "(?:$subdomain(?:\.$subdomain)*\.?)"; + + return preg_match("/^$fqdn$/ui", $domain); +} + /* Following functions are copied from MediaWiki GlobalFunctions.php * and written by Evan Prodromou. */ @@ -1498,7 +1656,8 @@ function common_user_uri(&$user) function common_notice_uri(&$notice) { return common_local_url('shownotice', - array('notice' => $notice->id)); + array('notice' => $notice->id), + null, null, false); } // 36 alphanums - lookalikes (0, O, 1, I) = 32 chars = 5 bits @@ -1765,6 +1924,15 @@ function common_url_to_nickname($url) $path = preg_replace('@/$@', '', $parts['path']); $path = preg_replace('@^/@', '', $path); $path = basename($path); + + // Hack for MediaWiki user pages, in the form: + // http://example.com/wiki/User:Myname + // ('User' may be localized.) + if (strpos($path, ':')) { + $parts = array_filter(explode(':', $path)); + $path = $parts[count($parts) - 1]; + } + if ($path) { return common_nicknamize($path); }