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handle doublequotes that may enclose URLs

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This commit is contained in:
Klaus Leithoff 2016-05-02 12:09:42 +00:00
parent 202ba250b2
commit f2effdff1c
1 changed files with 21 additions and 2 deletions
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23
api/src/Html.php
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@ -63,11 +63,30 @@ class Html
$Protocol = '(http:\/\/|(ftp:\/\/|https:\/\/))'; // only http:// gets removed, other protocolls are shown
$Domain = '([\w-]+\.[\w-.]+)';
$Subdir = '([\w\-\.,@?^=%&;:\/~\+#]*[\w\-\@?^=%&\/~\+#])?';
$Expr = '/' . $NotAnchor . $Protocol . $Domain . $Subdir . '/i';
$optStuff = '("|&quot|;)?';
$Expr = '/' . $NotAnchor . $Protocol . $Domain . $Subdir . $optStuff . '/i';
// use preg_replace_callback as we experienced problems with https links
$result3 = preg_replace_callback($Expr, function ($match)
{
return "<a href=\"".($match[1]&&!$match[2]?$match[1]:'').($match[2]?$match[2]:'').$match[3].$match[4]."\" target=\"_blank\">".$match[3].$match[4]."</a>";
$additionalQuote="";//at the end, ...
// only one &quot at the end is found. chance is, it is not belonging to the URL
if ($match[5]==';' && (strlen($match[4])-6) >=0 && strpos($match[4],'&quot',strlen($match[4])-6)!==false && strpos(substr($match[4],0,strlen($match[4])-6),'&quot')===false)
{
$match[4] = substr($match[4],0,strpos($match[4],'&quot',strlen($match[4])-6));
$additionalQuote = "&quot;";
}
// if there is quoted stuff within the URL then we have at least one more &quot; in match[4], so chance is the last &quot is matched by the one within
if ($match[5]==';' && (strlen($match[4])-6) >=0 && strpos($match[4],'&quot',strlen($match[4])-6)!==false && strpos(substr($match[4],0,strlen($match[4])-6),'&quot')!==false)
{
$match[4] .= $match[5];
}
if ($match[5]==';'&&$match[4]=="&quot")
{
$match[4] ='';
$additionalQuote = "&quot;";
}
//error_log(__METHOD__.__LINE__.array2string($match));
return "<a href=\"".($match[1]&&!$match[2]?$match[1]:'').($match[2]?$match[2]:'').$match[3].$match[4]."\" target=\"_blank\">".$match[3].$match[4]."</a>$additionalQuote";
}, $result2);
// Now match things beginning with www.