post_proc.inc.t

来自「eGroupWare is a multi-user, web-based gr」· T 代码 · 共 601 行 · 第 1/2 页

	$ostr .= substr($str, $old_pos, strlen($str)-$old_pos);

	/* url paser */
	$pos = 0;
	$ppos = 0;
	while (($pos = @strpos($ostr, '://', $pos)) !== false) {
		if ($pos < $ppos) {
			break;
		}
		// check if it's inside any tag;
		$i = $pos;
		while (--$i && $i > $ppos) {
			if ($ostr[$i] == '>' || $ostr[$i] == '<') {
				break;
			}
		}
		if ($ostr[$i]=='<') {
			$pos+=3;
			continue;
		}

		// check if it's inside the a tag
		if (($ts = strpos($ostr, '<a ', $pos)) === false) {
			$ts = strlen($ostr);
		}
		if (($te = strpos($ostr, '</a>', $pos)) == false) {
			$te = strlen($ostr);
		}
		if ($te < $ts) {
			$ppos = $pos += 3;
			continue;
		}

		// check if it's inside the pre tag
		if (($ts = strpos($ostr, '<pre>', $pos)) === false) {
			$ts = strlen($ostr);
		}
		if (($te = strpos($ostr, '</pre>', $pos)) == false) {
			$te = strlen($ostr);
		}
		if ($te < $ts) {
			$ppos = $pos += 3;
			continue;
		}

		// check if it's inside the span tag
		if (($ts = strpos($ostr, '<span>', $pos)) === false) {
			$ts = strlen($ostr);
		}
		if (($te = strpos($ostr, '</span>', $pos)) == false) {
			$te = strlen($ostr);
		}
		if ($te < $ts) {
			$ppos = $pos += 3;
			continue;
		}

		$us = $pos;
		$l = strlen($ostr);
		while (1) {
			--$us;
			if ($ppos > $us || $us >= $l || isset($GLOBALS['seps'][$ostr[$us]])) {
				break;
			}
		}

		unset($GLOBALS['seps']['=']);
		$ue = $pos;
		while (1) {
			++$ue;
			if ($ue >= $l || isset($GLOBALS['seps'][$ostr[$ue]])) {
				break;
			}

			if ($ostr[$ue] == '&') {
				if ($ostr[$ue+4] == ';') {
					$ue += 4;
					continue;
				}
				if ($ostr[$ue+3] == ';' || $ostr[$ue+5] == ';') {
					break;
				}
			}

			if ($ue >= $l || isset($GLOBALS['seps'][$ostr[$ue]])) {
				break;
			}
		}
		$GLOBALS['seps']['='] = '=';

		$url = substr($ostr, $us+1, $ue-$us-1);
		if (!strncasecmp($url, 'javascript', strlen('javascript'))) {
			$pos = $ue;
			continue;
		}
		$html_url = '<a href="'.$url.'" target="_blank">'.$url.'</a>';
		$html_url_l = strlen($html_url);
		$ostr = fud_substr_replace($ostr, $html_url, $us+1, $ue-$us-1);
		$ppos = $pos;
		$pos = $us+$html_url_l;
	}

	/* email parser */
	$pos = 0;
	$ppos = 0;
	while (($pos = @strpos($ostr, '@', $pos)) !== false) {
		if ($pos < $ppos) {
			break;
		}

		// check if it's inside any tag;
		$i = $pos;
		while (--$i && $i>$ppos) {
			if ( $ostr[$i] == '>' || $ostr[$i] == '<') {
				break;
			}
		}
		if ($ostr[$i]=='<') {
			++$pos;
			continue;
		}


		// check if it's inside the a tag
		if (($ts = strpos($ostr, '<a ', $pos)) === false) {
			$ts = strlen($ostr);
		}
		if (($te = strpos($ostr, '</a>', $pos)) == false) {
			$te = strlen($ostr);
		}
		if ($te < $ts) {
			$ppos = $pos += 1;
			continue;
		}

		// check if it's inside the pre tag
		if (($ts = strpos($ostr, '<div class="pre"><pre>', $pos)) === false) {
			$ts = strlen($ostr);
		}
		if (($te = strpos($ostr, '</pre></div>', $pos)) == false) {
			$te = strlen($ostr);
		}
		if ($te < $ts) {
			$ppos = $pos += 1;
			continue;
		}

		for ($es = ($pos - 1); $es > ($ppos - 1); $es--) {
			if (
				( ord($ostr[$es]) >= ord('A') && ord($ostr[$es]) <= ord('z') ) ||
				( ord($ostr[$es]) >= ord(0) && ord($ostr[$es]) <= ord(9) ) ||
				( $ostr[$es] == '.' || $ostr[$es] == '-' || $ostr[$es] == '\'')
			) { continue; }
			++$es;
			break;
		}
		if ($es == $pos) {
			$ppos = $pos += 1;
			continue;
		}
		if ($es < 0) {
			$es = 0;
		}

		for ($ee = ($pos + 1); @isset($ostr[$ee]); $ee++) {
			if (
				( ord($ostr[$ee]) >= ord('A') && ord($ostr[$ee]) <= ord('z') ) ||
				( ord($ostr[$ee]) >= ord(0) && ord($ostr[$ee]) <= ord(9) ) ||
				( $ostr[$ee] == '.' || $ostr[$ee] == '-' )
			) { continue; }
			break;
		}
		if ($ee == ($pos+1)) {
			$ppos = $pos += 1;
			continue;
		}

		$email = str_replace('@', '&#64;', substr($ostr, $es, $ee-$es));
		$email_url = '<a href="mailto:'.$email.'" target="_blank">'.$email.'</a>';
		$email_url_l = strlen($email_url);
		$ostr = fud_substr_replace($ostr, $email_url, $es, $ee-$es);
		$ppos =	$es+$email_url_l;
		$pos = $ppos;
	}

	return $ostr;
}

if (!function_exists('html_entity_decode')) {
	function html_entity_decode($s)
	{
		return strtr($s, array_flip(get_html_translation_table(HTML_ENTITIES)));
	}
}

function html_to_tags($fudml)
{
	while (preg_match('!<span name="php">(.*?)</span>!is', $fudml, $res)) {
		$tmp = trim(html_entity_decode(strip_tags(str_replace('<br />', "\n", $res[1]))));
		$m = md5($tmp);
		$php[$m] = $tmp;
		$fudml = str_replace($res[0], "[php]\n".$m."\n[/php]", $fudml);
	}

	if (strpos($fudml, '<table border="0" align="center" width="90%" cellpadding="3" cellspacing="1"><tr><td class="SmallText"><b>')  !== false) {
		$fudml = str_replace(array('<table border="0" align="center" width="90%" cellpadding="3" cellspacing="1"><tr><td class="SmallText"><b>','</b></td></tr><tr><td class="quote"><br>','<br></td></tr></table>'), array('[quote title=', ']', '[/quote]'), $fudml);
	}

	if (preg_match('!<div class="dashed" style="padding: 3px;" align="center" width="100%"><a href="javascript://" OnClick="javascript: layerVis\(\'.*?\', 1\);">{TEMPLATE: post_proc_reveal_spoiler}</a><div align="left" id=".*?" style="visibility: hidden;">!is', $fudml)) {
		$fudml = preg_replace('!\<div class\="dashed" style\="padding: 3px;" align\="center" width\="100%"\>\<a href\="javascript://" OnClick\="javascript: layerVis\(\'.*?\', 1\);">{TEMPLATE: post_proc_reveal_spoiler}\</a\>\<div align\="left" id\=".*?" style\="visibility: hidden;"\>!is', '[spoiler]', $fudml);
		$fudml = str_replace('</div></div>', '[/spoiler]', $fudml);
	}

	while (preg_match('!<font (color|face|size)=".+?">.*?</font>!is', $fudml)) {
		$fudml = preg_replace('!<font (color|face|size)="(.+?)">(.*?)</font>!is', '[\1=\2]\3[/\1]', $fudml);
	}
	while (preg_match('!<(o|u)l type=".+?">.*?</\\1l>!is', $fudml)) {
		$fudml = preg_replace('!<(o|u)l type="(.+?)">(.*?)</\\1l>!is', '[list type=\2]\3[/list]', $fudml);
	}

	$fudml = str_replace(
	array(
		'<b>', '</b>', '<i>', '</i>', '<u>', '</u>', '<s>', '</s>', '<sub>', '</sub>', '<sup>', '</sup>',
		'<div class="pre"><pre>', '</pre></div>', '<div align="center">', '<div align="left">', '<div align="right">', '</div>',
		'<ul>', '</ul>', '<span name="notag">', '</span>', '<li>', '&#64;', '&#58;&#47;&#47;', '<br />', '<pre>', '</pre>'
	),
	array(
		'[b]', '[/b]', '[i]', '[/i]', '[/u]', '[/u]', '[s]', '[/s]', '[sub]', '[/sub]', '[sup]', '[/sup]', 
		'[code]', '[/code]', '[align=center]', '[align=left]', '[align=right]', '[/align]', '[list]', '[/list]',
		'[notag]', '[/notag]', '[*]', '@', '://', '', '[pre]', '[/pre]'
	), 
	$fudml);

	while (preg_match('!<img src="(.*?)" border=0 alt="\\1">!is', $fudml)) {
		$fudml = preg_replace('!<img src="(.*?)" border=0 alt="\\1">!is', '[img]\1[/img]', $fudml);
	}
	while (preg_match('!<a href="mailto:(.+?)" target="_blank">\\1</a>!is', $fudml)) {
		$fudml = preg_replace('!<a href="mailto:(.+?)" target="_blank">\\1</a>!is', '[email]\1[/email]', $fudml);
	}
	while (preg_match('!<a href="(.+?)" target="_blank">\\1</a>!is', $fudml)) {
		$fudml = preg_replace('!<a href="(.+?)" target="_blank">\\1</a>!is', '[url]\1[/url]', $fudml);
	}

	if (strpos($fudml, '<img src="') !== false) {
		$fudml = preg_replace('!<img src="(.*?)" border=0 alt="(.*?)">!is', '[img=\1]\2[/img]', $fudml);
	}
	if (strpos($fudml, '<a href="mailto:') !== false) {
		$fudml = preg_replace('!<a href="mailto:(.+?)" target="_blank">(.+?)</a>!is', '[email=\1]\2[/email]', $fudml);
	}
	if (strpos($fudml, '<a href="') !== false) { 
		$fudml = preg_replace('!<a href="(.+?)" target="_blank">(.+?)</a>!is', '[url=\1]\2[/url]', $fudml);
	}

	if (isset($php)) {
		$fudml = str_replace(array_keys($php), array_values($php), $fudml);
	}

	/* unhtmlspecialchars */
	reverse_fmt($fudml);

	return $fudml;
}


function filter_ext($file_name)
{
	include $GLOBALS['FORUM_SETTINGS_PATH'] . 'file_filter_regexp';
	if (!count($GLOBALS['__FUD_EXT_FILER__'])) {
		return;
	}
	if (($p = strrpos($file_name, '.')) === false) {
		return 1;
	}
	return !in_array(strtolower(substr($file_name, ($p + 1))), $GLOBALS['__FUD_EXT_FILER__']);
}

function safe_tmp_copy($source, $del_source=0, $prefx='')
{
	if (!$prefx) {
		 $prefx = getmypid();
	}

	$umask = umask(($GLOBALS['FUD_OPT_2'] & 8388608 ? 0177 : 0111));
	if (!move_uploaded_file($source, ($name = tempnam($GLOBALS['TMP'], $prefx.'_')))) {
		return;
	}
	umask($umask);
	if ($del_source) {
		@unlink($source);
	}
	umask($umask);

	return basename($name);
}

function reverse_nl2br(&$data)
{
	$data = str_replace('<br />', '', $data);
}
?>