diff options
Diffstat (limited to 'lib/util.php')
| -rw-r--r-- | lib/util.php | 102 |
1 files changed, 56 insertions, 46 deletions
diff --git a/lib/util.php b/lib/util.php index 748c8332f..2be4213e7 100644 --- a/lib/util.php +++ b/lib/util.php @@ -412,57 +412,62 @@ function common_render_text($text) function common_replace_urls_callback($text, $callback, $notice_id = null) { // Start off with a regex $regex = '#'. - '(?:^|\s+)('. + '(?:^|[\s\(\)\[\]\{\}]+)'. + '('. '(?:'. - '(?:https?|ftps?|mms|rtsp|gopher|news|nntp|telnet|wais|file|prospero|webcal|irc)://'. - '|'. - '(?:mailto|aim|tel|xmpp):'. - ')?'. + '(?:'. //Known protocols + '(?:'. + '(?:https?|ftps?|mms|rtsp|gopher|news|nntp|telnet|wais|file|prospero|webcal|irc)://'. + '|'. + '(?:mailto|aim|tel|xmpp):'. + ')[^\s\/]+'. + ')'. + '|(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)'. //IPv4 + '|(?:'. //IPv6 + '(?:(?:(?:[0-9A-Fa-f]{1,4}:){7}(?:(?:[0-9A-Fa-f]{1,4})|:))|(?:(?:[0-9A-Fa-f]{1,4}:){6}(?::|(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})|(?::[0-9A-Fa-f]{1,4})))|(?:(?:[0-9A-Fa-f]{1,4}:){5}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?:(?:[0-9A-Fa-f]{1,4}:){4}(?::[0-9A-Fa-f]{1,4}){0,1}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?:(?:[0-9A-Fa-f]{1,4}:){3}(?::[0-9A-Fa-f]{1,4}){0,2}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?:(?:[0-9A-Fa-f]{1,4}:){2}(?::[0-9A-Fa-f]{1,4}){0,3}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?:(?:[0-9A-Fa-f]{1,4}:)(?::[0-9A-Fa-f]{1,4}){0,4}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?::(?::[0-9A-Fa-f]{1,4}){0,5}(?:(?::(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})?)|(?:(?::[0-9A-Fa-f]{1,4}){1,2})))|(?:(?:(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d{1,2})){3})))'. + ')|(?:'. //DNS + '\S+\.(?:museum|travel|onion|local|[a-z]{2,4})'. + ')'. + ')'. '(?:'. - '(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)'. //IPv4 - '|(?:'. - '(?:[0-9a-f]{1,4}:){1,1}(?::[0-9a-f]{1,4}){1,6}|'. //IPv6 - '(?:[0-9a-f]{1,4}:){1,2}(?::[0-9a-f]{1,4}){1,5}|'. - '(?:[0-9a-f]{1,4}:){1,3}(?::[0-9a-f]{1,4}){1,4}|'. - '(?:[0-9a-f]{1,4}:){1,4}(?::[0-9a-f]{1,4}){1,3}|'. - '(?:[0-9a-f]{1,4}:){1,5}(?::[0-9a-f]{1,4}){1,2}|'. - '(?:[0-9a-f]{1,4}:){1,6}(?::[0-9a-f]{1,4}){1,1}|'. - '(?:(?:[0-9a-f]{1,4}:){1,7}|:):|'. - ':(?::[0-9a-f]{1,4}){1,7}|'. - '(?:(?:(?:[0-9a-f]{1,4}:){6})(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3})|'. - '(?:(?:[0-9a-f]{1,4}:){5}[0-9a-f]{1,4}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3})|'. - '(?:[0-9a-f]{1,4}:){5}:[0-9a-f]{1,4}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'. - '(?:[0-9a-f]{1,4}:){1,1}(?::[0-9a-f]{1,4}){1,4}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'. - '(?:[0-9a-f]{1,4}:){1,2}(?::[0-9a-f]{1,4}){1,3}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'. - '(?:[0-9a-f]{1,4}:){1,3}(?::[0-9a-f]{1,4}){1,2}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'. - '(?:[0-9a-f]{1,4}:){1,4}(?::[0-9a-f]{1,4}){1,1}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'. - '(?:(?:[0-9a-f]{1,4}:){1,5}|:):(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'. - ':(?::[0-9a-f]{1,4}){1,5}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}'. - ')|'. - '(?:[^.\s/:]+\.)+'. //DNS - '(?:museum|travel|onion|[a-z]{2,4})'. + '$|(?:'. + '/[^\s\(\)\[\]\{\}]*'. + ')'. ')'. - '(?:[:/][^\s]*)?'. ')'. '#ix'; - preg_match_all($regex, $text, $matches); - // Then clean up what the regex left behind - $offset = 0; - foreach($matches[1] as $url) { - // Call user specified func - if (empty($notice_id)) { - $modified_url = call_user_func($callback, $url); - } else { - $modified_url = call_user_func($callback, array($url, $notice_id)); - } - - // Replace it! - $start = mb_strpos($text, $url, $offset); - $text = mb_substr($text, 0, $start).$modified_url.mb_substr($text, $start + mb_strlen($url), mb_strlen($text)); - $offset = $start + mb_strlen($modified_url); - } - - return $text; + return preg_replace_callback($regex, curry(callback_helper,$callback,$notice_id) ,$text); +} + +function callback_helper($matches, $callback, $notice_id) { + $pos = strpos($matches[0],$matches[1]); + $left = substr($matches[0],0,$pos); + $right = substr($matches[0],$pos+strlen($matches[1])); + + if(empty($notice_id)){ + $result = call_user_func_array($callback,$matches[1]); + }else{ + $result = call_user_func_array($callback, array($matches[1],$notice_id) ); + } + return $left . $result . $right; +} + +function curry($fn) { + //TODO switch to a PHP 5.3 function closure based approach if PHP 5.3 is used + $args = func_get_args(); + array_shift($args); + $id = uniqid('_partial'); + $GLOBALS[$id] = array($fn, $args); + return create_function( + '', + ' + $args = func_get_args(); + return call_user_func_array( + $GLOBALS["'.$id.'"][0], + array_merge( + $args, + $GLOBALS["'.$id.'"][1])); + '); } function common_linkify($url) { @@ -470,6 +475,11 @@ function common_linkify($url) { // functions $url = htmlspecialchars_decode($url); + if(strpos($url, '@')!==false && strpos($url, ':')===false){ + //url is an email address without the mailto: protocol + return XMLStringer::estring('a', array('href' => "mailto:$url", 'rel' => 'external'), $url); + } + $canon = File_redirection::_canonUrl($url); $longurl_data = File_redirection::where($url); |