Banana
/
dolphin


			
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							<?php

/**
 *  dolphin. Collection of useful PHP skeletons.
 *  Copyright (C) 2016  Johannes 'Banana' Keßler
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the COMMON DEVELOPMENT AND DISTRIBUTION LICENSE
 *
 * You should have received a copy of the
 * COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0
 * along with this program.  If not, see http://www.sun.com/cddl/cddl.html
 */


mb_http_output('UTF-8');
mb_internal_encoding('UTF-8');
ini_set('error_reporting',-1); // E_ALL & E_STRICT

if(ini_get("magic_quotes_gpc") == 1) {
	die('Magic quotes is set to "on", and system is not able to change it. Please update Your php.ini file');
}

## check request
$_urlToParse = filter_var($_SERVER['QUERY_STRING'],FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_LOW);
if(!empty($_urlToParse)) {
    # see http://de2.php.net/manual/en/regexp.reference.unicode.php
    if(preg_match('/[\p{C}\p{M}\p{Sc}\p{Sk}\p{So}\p{Zl}\p{Zp}]/u',$_urlToParse) === 1) {
        die('Malformed request. Make sure you know what you are doing.');
    }
}

# time settings
date_default_timezone_set('Europe/Berlin');

define('DEBUG',false);

## set the error reporting
ini_set('log_errors',true);
ini_set('error_log','error.log');
if(DEBUG === true) {
    ini_set('display_errors',true);
}
else {
    ini_set('display_errors',false);
}

$requestString = false;
$searchStr = false;
$searchResult = false;
$searchCount = 0;
$tagLink = false;
$catLink = false;


if(isset($_POST['query'])) {
	$searchStr = trim($_POST['query']);
	$searchStr = strtolower($searchStr);

	$searchStr = preg_replace("/[^\p{L}\p{N}\p{Zs}]/u","",$searchStr);

	# kinda full txt search
	if(!empty($searchStr)) {
		$files = glob('20*/*/*/*.html');	
		$limit = 0;
		if(!empty($files)) {
			foreach($files as $file) {
				
				if($limit > 30) break;

				$stream = new SplFileObject($file); 
				$grepped = new RegexIterator($stream, '/'.$searchStr.'/i'); 
				foreach($grepped as $found) {
					$_text = $file;

					# this search for a headline tag and the result will be used as
					# the result text in the search results
					$headlines = new RegexIterator($stream,"/<h2>([^<]+)<\/h2>/");
					foreach($headlines as $headline) {
						$_text = trim($headline);
						$_text = strip_tags($_text);
						break;
					}
					
					
					$searchResult[] = array(
						'href' => 'https://url.to/'.$file,
						'text' => $_text
					);
					$limit++;
					
					#var_dump($found);
					#var_dump($file);
					#var_dump($searchResult);
					#exit();

					unset($headlines);
					unset($_text);
					break;
				}
				unset($stream);
				unset($grepped);
			}
			$searchCount = count($searchResult);
		}
	}

	# is it a tag?
	$tagDir = 'tags/'.$searchStr;
	if(file_exists($tagDir)) {
		$tagLink = $searchStr;
	}

	# is it a category?
	$topicsDir = 'topics/'.$searchStr;
	if(file_exists($topicsDir)) {
		$catLink = $searchStr;
	}	
}

header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
?>
<!DOCTYPE HTML>
<html>
	<head>
		<title>Suche nach: <?php echo $searchStr; ?></title>
		<meta charset="utf-8" />
		<meta name="robots" content="noindex,nofollow" />
		<meta name="viewport" content="width=device-width, initial-scale=1" />
	</head>

	<body>
		<div >

			<article >
				<header>
					<h2>Suche</h2>
					<p>Gesucht: <?php echo $searchStr; ?> | Gefunden: <?php echo $searchCount; ?></p>
				</header>

				<?php if(!empty($tagLink)) { ?>
				<p>Tag: <a href="https://www.url.to/tags/<?php echo $tagLink; ?>"><?php echo $tagLink; ?></a></p>
				<?php } ?> 
				<?php if(!empty($catLink)) { ?>
				<p>Kategorie: <a href="https://www.url.to/topics/<?php echo $catLink; ?>"><?php echo $catLink; ?></a></p>
				<?php } ?> 
				
				<?php if(!empty($searchResult)) { ?>
				<ul>
				<?php 
					foreach($searchResult as $result) { 
						echo "<li><a href='".$result['href']."'>".$result['text']."</a></li>\n";
					}
				?>
				</ul>
				<?php } else { ?>
					<div>
                        <p>Leider nichts gefunden.</p>
                    </div>
				<?php } ?>
				
			</article>
		</div>
	</body>
</html>