vibbow/search.php

## search.php
<?php
define ('DB_SOURCE', 'd:\\data');
define ('CACHE_LIMIT', 4194304);
define ('RESULT_LIMIT', 1000);
define ('TIME_LIMIT', 600);

$begin = microtime(true);
set_time_limit(TIME_LIMIT + 100);
ob_end_flush();

echo <<< EOF
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK" />
<title>Full text search</title>
</head><body>
<form method="get" action="">
<input type="text" name="keyword" />
<input type="submit" />
</form>
EOF;
flush();

$keyword = isset($_REQUEST['keyword']) ? trim($_REQUEST['keyword']) : '';
if (empty($keyword)) exit('</body></html>');

$filelist = array();
get_file_list(DB_SOURCE . '\\*');
$count = 0;

echo 'Search ' . $keyword . ' in ' . count($filelist) . " leak databases ...<br />\r\n";
flush();

foreach ($filelist as $filepath) {
	$fp = fopen($filepath, 'r');
	if (!$fp) continue;

	$basename = basename($filepath);
	$filesize = filesize($filepath);
	$fp_start_pos = 0;

	while($fp_start_pos !== $filesize) {
		fseek($fp, $fp_start_pos);
		$content = fread($fp, CACHE_LIMIT);
		$content_length = strlen($content);

		if ($fp_start_pos + $content_length !== $filesize) {
			$content_length = strrpos($content, "\n") + 1;
			$content = substr($content, 0, $content_length);
		}

		$fp_start_pos += $content_length;

		$keyword_pos = 0;
		while (($keyword_pos = strpos($content, $keyword, $keyword_pos)) !== false)
		{
			$start_pos = strrpos($content, "\n", -$content_length + $keyword_pos);
			$end_pos = strpos($content, "\n", $keyword_pos);
			if ($end_pos === FALSE) $end_pos = $content_length;
			echo $basename . ' | ' . trim(substr($content, $start_pos, $end_pos - $start_pos)) . "<br />\r\n";
			flush();
			$keyword_pos = $end_pos;
			$count++;
			if ($count >= RESULT_LIMIT) break;
		}
		if ($count >= RESULT_LIMIT) break;
	}

	fclose($fp);
	if ($count >= RESULT_LIMIT) break;
	if ((microtime(true) - $begin) >= TIME_LIMIT) break;
}

if ($count >= RESULT_LIMIT)
	echo "Too many results, give up<br />\r\n";

if ((microtime(true) - $begin) >= TIME_LIMIT)
	echo "Search time out, give up<br />\r\n";

echo 'Search complete, get ' . $count . ' results, cost ' . (microtime(true) - $begin) . " seconds<br />\r\n";
echo '</body></html>';
flush();

function get_file_list($dbsource) {
	global $filelist;
	$current_file_list = glob($dbsource);
	foreach ($current_file_list as $each) {
		if (strpos($each, 'search.php') === true)
			continue;
		if (is_file($each))
			$filelist[] = $each;
		if (is_dir($each))
			get_file_list($each . '\\*');
	}
}
?>
	<?php
	define ('DB_SOURCE', 'd:\\data');
	define ('CACHE_LIMIT', 4194304);
	define ('RESULT_LIMIT', 1000);
	define ('TIME_LIMIT', 600);

	$begin = microtime(true);
	set_time_limit(TIME_LIMIT + 100);
	ob_end_flush();

	echo <<< EOF
	<html><head>
	<meta http-equiv="Content-Type" content="text/html; charset=GBK" />
	<title>Full text search</title>
	</head><body>
	<form method="get" action="">
	<input type="text" name="keyword" />
	<input type="submit" />
	</form>
	EOF;
	flush();

	$keyword = isset($_REQUEST['keyword']) ? trim($_REQUEST['keyword']) : '';
	if (empty($keyword)) exit('</body></html>');

	$filelist = array();
	get_file_list(DB_SOURCE . '\\*');
	$count = 0;

	echo 'Search ' . $keyword . ' in ' . count($filelist) . " leak databases ...<br />\r\n";
	flush();

	foreach ($filelist as $filepath) {
	$fp = fopen($filepath, 'r');
	if (!$fp) continue;

	$basename = basename($filepath);
	$filesize = filesize($filepath);
	$fp_start_pos = 0;

	while($fp_start_pos !== $filesize) {
	fseek($fp, $fp_start_pos);
	$content = fread($fp, CACHE_LIMIT);
	$content_length = strlen($content);

	if ($fp_start_pos + $content_length !== $filesize) {
	$content_length = strrpos($content, "\n") + 1;
	$content = substr($content, 0, $content_length);
	}

	$fp_start_pos += $content_length;

	$keyword_pos = 0;
	while (($keyword_pos = strpos($content, $keyword, $keyword_pos)) !== false)
	{
	$start_pos = strrpos($content, "\n", -$content_length + $keyword_pos);
	$end_pos = strpos($content, "\n", $keyword_pos);
	if ($end_pos === FALSE) $end_pos = $content_length;
	echo $basename . ' \| ' . trim(substr($content, $start_pos, $end_pos - $start_pos)) . "<br />\r\n";
	flush();
	$keyword_pos = $end_pos;
	$count++;
	if ($count >= RESULT_LIMIT) break;
	}
	if ($count >= RESULT_LIMIT) break;
	}

	fclose($fp);
	if ($count >= RESULT_LIMIT) break;
	if ((microtime(true) - $begin) >= TIME_LIMIT) break;
	}

	if ($count >= RESULT_LIMIT)
	echo "Too many results, give up<br />\r\n";

	if ((microtime(true) - $begin) >= TIME_LIMIT)
	echo "Search time out, give up<br />\r\n";

	echo 'Search complete, get ' . $count . ' results, cost ' . (microtime(true) - $begin) . " seconds<br />\r\n";
	echo '</body></html>';
	flush();

	function get_file_list($dbsource) {
	global $filelist;
	$current_file_list = glob($dbsource);
	foreach ($current_file_list as $each) {
	if (strpos($each, 'search.php') === true)
	continue;
	if (is_file($each))
	$filelist[] = $each;
	if (is_dir($each))
	get_file_list($each . '\\*');
	}
	}
	?>