diff options
Diffstat (limited to 'lib/util.php')
| -rw-r--r-- | lib/util.php | 238 |
1 files changed, 215 insertions, 23 deletions
diff --git a/lib/util.php b/lib/util.php index add1b0ae6..9f62097d5 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 && strtolower(substr(PHP_OS, 0, 3)) != 'win') { + // Try to find a complete, working locale on Unix/Linux... + // @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()) { @@ -105,11 +177,13 @@ function common_language() // Otherwise, find the best match for the languages requested by the // user's browser... - $httplang = isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : null; - if (!empty($httplang)) { - $language = client_prefered_language($httplang); - if ($language) - return $language; + if (common_config('site', 'langdetect')) { + $httplang = isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : null; + if (!empty($httplang)) { + $language = client_prefered_language($httplang); + if ($language) + return $language; + } } // Finally, if none of the above worked, use the site's default... @@ -131,6 +205,11 @@ function common_munge_password($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))) { @@ -770,7 +849,7 @@ function common_linkify($url) { } if (!empty($f)) { - if ($f->getEnclosure()) { + if ($f->getEnclosure() || File_oembed::staticGet('file_id',$f->id)) { $is_attachment = true; $attachment_id = $f->id; @@ -793,10 +872,10 @@ function common_linkify($url) { return XMLStringer::estring('a', $attrs, $url); } -function common_shorten_links($text) +function common_shorten_links($text, $always = false) { $maxLength = Notice::maxContent(); - if ($maxLength == 0 || mb_strlen($text) <= $maxLength) return $text; + if (!$always && ($maxLength == 0 || mb_strlen($text) <= $maxLength)) return $text; return common_replace_urls_callback($text, array('File_redirection', 'makeShort')); } @@ -829,7 +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' => $url, @@ -853,7 +939,7 @@ function common_valid_profile_tag($str) function common_group_link($sender_id, $nickname) { $sender = Profile::staticGet($sender_id); - $group = User_group::getForNickname($nickname); + $group = User_group::getForNickname($nickname, $sender); if ($sender && $group && $sender->isMember($group)) { $attrs = array('href' => $group->permalink(), 'class' => 'url'); @@ -1010,24 +1096,38 @@ function common_date_string($dt) if ($now < $t) { // that shouldn't happen! return common_exact_date($dt); } else if ($diff < 60) { + // TRANS: Used in notices to indicate when the notice was made compared to now. return _('a few seconds ago'); } else if ($diff < 92) { + // TRANS: Used in notices to indicate when the notice was made compared to now. return _('about a minute ago'); } else if ($diff < 3300) { + // XXX: should support plural. + // TRANS: Used in notices to indicate when the notice was made compared to now. return sprintf(_('about %d minutes ago'), round($diff/60)); } else if ($diff < 5400) { + // TRANS: Used in notices to indicate when the notice was made compared to now. return _('about an hour ago'); } else if ($diff < 22 * 3600) { + // XXX: should support plural. + // TRANS: Used in notices to indicate when the notice was made compared to now. return sprintf(_('about %d hours ago'), round($diff/3600)); } else if ($diff < 37 * 3600) { + // TRANS: Used in notices to indicate when the notice was made compared to now. return _('about a day ago'); } else if ($diff < 24 * 24 * 3600) { + // XXX: should support plural. + // TRANS: Used in notices to indicate when the notice was made compared to now. return sprintf(_('about %d days ago'), round($diff/(24*3600))); } else if ($diff < 46 * 24 * 3600) { + // TRANS: Used in notices to indicate when the notice was made compared to now. return _('about a month ago'); } else if ($diff < 330 * 24 * 3600) { + // XXX: should support plural. + // TRANS: Used in notices to indicate when the notice was made compared to now. return sprintf(_('about %d months ago'), round($diff/(30*24*3600))); } else if ($diff < 480 * 24 * 3600) { + // TRANS: Used in notices to indicate when the notice was made compared to now. return _('about a year ago'); } else { return common_exact_date($dt); @@ -1149,9 +1249,8 @@ function common_enqueue_notice($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) { $transports[] = 'public'; @@ -1239,12 +1338,38 @@ function common_mtrand($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'] = $url; } +/** + * Fetch a return-destination URL previously recorded by + * common_set_returnto(). + * + * @return mixed URL string or null + * + * @fixme as a session-global setting, this can allow multiple forms + * to conflict and overwrite each others' returnto destinations if + * the user has multiple tabs or windows open. + * + * Should refactor to index with a token or otherwise only pass the + * data along its intended path. + */ function common_get_returnto() { common_ensure_session(); @@ -1270,7 +1395,7 @@ function common_log_line($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] . ': ' . $msg . PHP_EOL; } function common_request_id() @@ -1364,6 +1489,55 @@ function common_valid_tag($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", $domain); +} + /* Following functions are copied from MediaWiki GlobalFunctions.php * and written by Evan Prodromou. */ @@ -1460,7 +1634,15 @@ function common_copy_args($from) $to = array(); $strip = get_magic_quotes_gpc(); foreach ($from as $k => $v) { - $to[$k] = ($strip) ? stripslashes($v) : $v; + if($strip) { + if(is_array($v)) { + $to[$k] = common_copy_args($v); + } else { + $to[$k] = stripslashes($v); + } + } else { + $to[$k] = $v; + } } return $to; } @@ -1488,7 +1670,8 @@ function common_user_uri(&$user) function common_notice_uri(&$notice) { return common_local_url('shownotice', - array('notice' => $notice->id)); + array('notice' => $notice->id), + null, null, false); } // 36 alphanums - lookalikes (0, O, 1, I) = 32 chars = 5 bits @@ -1755,6 +1938,15 @@ function common_url_to_nickname($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); } |