diff options
Diffstat (limited to 'lib/util.php')
-rw-r--r-- | lib/util.php | 156 |
1 files changed, 108 insertions, 48 deletions
diff --git a/lib/util.php b/lib/util.php index b798cfe15..3a35e15d2 100644 --- a/lib/util.php +++ b/lib/util.php @@ -404,7 +404,7 @@ function common_render_text($text) $r = preg_replace('/[\x{0}-\x{8}\x{b}-\x{c}\x{e}-\x{19}]/', '', $r); $r = common_replace_urls_callback($r, 'common_linkify'); - $r = preg_replace('/(^|\(|\[|\s+)#([\pL\pN_\-\.]{1,64})/e', "'\\1#'.common_tag_link('\\2')", $r); + $r = preg_replace('/(^|\"\;|\'|\(|\[|\{|\s+)#([\pL\pN_\-\.]{1,64})/e', "'\\1#'.common_tag_link('\\2')", $r); // XXX: machine tags return $r; } @@ -412,57 +412,112 @@ function common_render_text($text) function common_replace_urls_callback($text, $callback, $notice_id = null) { // Start off with a regex $regex = '#'. - '(?:^|\s+)('. + '(?:^|[\s\(\)\[\]\{\}\\\'\\\";]+)(?![\@\!\#])'. + '(?P<url>'. '(?:'. - '(?:https?|ftps?|mms|rtsp|gopher|news|nntp|telnet|wais|file|prospero|webcal|irc)://'. - '|'. - '(?:mailto|aim|tel|xmpp):'. - ')?'. - '(?:'. - '(?:(?: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})'. + '(?:'. //Known protocols + '(?:'. + '(?:(?:https?|ftps?|mms|rtsp|gopher|news|nntp|telnet|wais|file|prospero|webcal|irc)://)'. + '|'. + '(?:(?:mailto|aim|tel|xmpp):)'. + ')'. + '(?:[\pN\pL\-\_\+]+(?::[\pN\pL\-\_\+]+)?\@)?'. //user:pass@ + '(?:'. + '(?:'. + '\[[\pN\pL\-\_\:\.]+(?<![\.\:])\]'. //[dns] + ')|(?:'. + '[\pN\pL\-\_\:\.]+(?<![\.\:])'. //dns + ')'. + ')'. + ')'. + '|(?:(?: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 + '(?:[\pN\pL\-\_\+]+(?:\:[\pN\pL\-\_\+]+)?\@)?'. //user:pass@ + '[\pN\pL\-\_]+(?:\.[\pN\pL\-\_]+)*\.'. + //tld list from http://data.iana.org/TLD/tlds-alpha-by-domain.txt, also added local, loc, and onion + '(?:AC|AD|AE|AERO|AF|AG|AI|AL|AM|AN|AO|AQ|AR|ARPA|AS|ASIA|AT|AU|AW|AX|AZ|BA|BB|BD|BE|BF|BG|BH|BI|BIZ|BJ|BM|BN|BO|BR|BS|BT|BV|BW|BY|BZ|CA|CAT|CC|CD|CF|CG|CH|CI|CK|CL|CM|CN|CO|COM|COOP|CR|CU|CV|CX|CY|CZ|DE|DJ|DK|DM|DO|DZ|EC|EDU|EE|EG|ER|ES|ET|EU|FI|FJ|FK|FM|FO|FR|GA|GB|GD|GE|GF|GG|GH|GI|GL|GM|GN|GOV|GP|GQ|GR|GS|GT|GU|GW|GY|HK|HM|HN|HR|HT|HU|ID|IE|IL|IM|IN|INFO|INT|IO|IQ|IR|IS|IT|JE|JM|JO|JOBS|JP|KE|KG|KH|KI|KM|KN|KP|KR|KW|KY|KZ|LA|LB|LC|LI|LK|LR|LS|LT|LU|LV|LY|MA|MC|MD|ME|MG|MH|MIL|MK|ML|MM|MN|MO|MOBI|MP|MQ|MR|MS|MT|MU|MUSEUM|MV|MW|MX|MY|MZ|NA|NAME|NC|NE|NET|NF|NG|NI|NL|NO|NP|NR|NU|NZ|OM|ORG|PA|PE|PF|PG|PH|PK|PL|PM|PN|PR|PRO|PS|PT|PW|PY|QA|RE|RO|RS|RU|RW|SA|SB|SC|SD|SE|SG|SH|SI|SJ|SK|SL|SM|SN|SO|SR|ST|SU|SV|SY|SZ|TC|TD|TEL|TF|TG|TH|TJ|TK|TL|TM|TN|TO|TP|TR|TRAVEL|TT|TV|TW|TZ|UA|UG|UK|US|UY|UZ|VA|VC|VE|VG|VI|VN|VU|WF|WS|XN--0ZWM56D|测试|XN--11B5BS3A9AJ6G|परीक्षा|XN--80AKHBYKNJ4F|испытание|XN--9T4B11YI5A|테스트|XN--DEBA0AD|טעסט|XN--G6W251D|測試|XN--HGBK6AJ7F53BBA|آزمایشی|XN--HLCJ6AYA9ESC7A|பரிட்சை|XN--JXALPDLP|δοκιμή|XN--KGBECHTV|إختبار|XN--ZCKZAH|テスト|YE|YT|YU|ZA|ZM|ZW|local|loc|onion)'. + ')(?![\pN\pL\-\_])'. ')'. - '(?:[:/][^\s]*)?'. + '(?:'. + '(?:\:\d+)?'. //:port + '(?:/[\pN\pL$\[\]\,\!\(\)\.\-\_\+\/\=\&\;]*)?'. // /path + '(?:\?[\pN\pL\$\[\]\,\!\(\)\.\-\_\+\/\=\&\;\/]*)?'. // ?query string + '(?:\#[\pN\pL$\[\]\,\!\(\)\.\-\_\+\/\=\&\;\/\?\#]*)?'. // #fragment + ')(?<![\?\.\,\#\,])'. ')'. - '#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, $notice_id)); + '#ixu'; + preg_match_all($regex,$text,$matches); + //print_r($matches); + return preg_replace_callback($regex, curry(callback_helper,$callback,$notice_id) ,$text); +} + +function callback_helper($matches, $callback, $notice_id) { + $url=$matches['url']; + $left = strpos($matches[0],$url); + $right = $left+strlen($url); + + $groupSymbolSets=array( + array( + 'left'=>'(', + 'right'=>')' + ), + array( + 'left'=>'[', + 'right'=>']' + ), + array( + 'left'=>'{', + 'right'=>'}' + ) + ); + $cannotEndWith=array('.','?',',','#'); + $original_url=$url; + do{ + $original_url=$url; + foreach($groupSymbolSets as $groupSymbolSet){ + if(substr($url,-1)==$groupSymbolSet['right']){ + $group_left_count = substr_count($url,$groupSymbolSet['left']); + $group_right_count = substr_count($url,$groupSymbolSet['right']); + if($group_left_count<$group_right_count){ + $right-=1; + $url=substr($url,0,-1); + } + } } - - // 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 $text; + if(in_array(substr($url,-1),$cannotEndWith)){ + $right-=1; + $url=substr($url,0,-1); + } + }while($original_url!=$url); + + + + if(empty($notice_id)){ + $result = call_user_func_array($callback,$url); + }else{ + $result = call_user_func_array($callback, array($url,$notice_id) ); + } + return substr($matches[0],0,$left) . $result . substr($matches[0],$right); +} + +function curry($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($url) { @@ -470,6 +525,11 @@ function common_linkify($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); |