311 lines
7.6 KiB
PHP
311 lines
7.6 KiB
PHP
<?php
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error_reporting(E_ALL);
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require 'settings.php';
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if ($password && (!isset($_SERVER['PHP_AUTH_PW']) || $_SERVER['PHP_AUTH_PW'] != $password)) {
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header('WWW-Authenticate: Basic realm="bbn"');
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header('HTTP/1.0 401 Unauthorized');
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echo '<p>Access denied.</p></body></html>';
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exit;
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}
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session_start();
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if (!isset($_SESSION['index']) || isset($_GET['reindex']) || empty($_SESSION['index']))
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{
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$files = glob($dir . '/*');
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usort($files, function($a, $b)
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{
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return filemtime($b) - filemtime($a);
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});
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$_SESSION['index'] = array_map(fn($value): string => str_replace('.md', '', $value), $files);
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}
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function cleanstring($string)
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{
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return iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', strtolower($string));
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}
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function downloadnote($path)
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{
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header('Content-disposition: attachment; filename=' . basename($path));
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header('Content-type: text/markdown');
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readfile($path);
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exit;
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}
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function downloadall()
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{
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$zip = new ZipArchive();
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$zip_name = 'bbn.zip';
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$zip->open($zip_name, ZipArchive::CREATE);
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foreach($_SESSION['index'] as $path)
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{
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if (!str_ends_with($path, '.del'))
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{
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$path = $path . '.md';
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if (file_exists($path))
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{
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$zip->addFile($path, basename($path));
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}
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else
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{
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echo"file does not exist";
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}
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}
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}
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$zip->close();
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header('Content-disposition: attachment; filename=' . $zip_name);
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header('Content-type: application/zip');
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readfile($zip_name);
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unlink($zip_name);
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exit;
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}
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function removefromindex($title)
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{
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global $dir;
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$key = array_search($dir . '/' . $title, $_SESSION['index']);
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if ($key !== FALSE)
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{
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array_splice($_SESSION['index'], $key, 1);
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}
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}
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function savenote($title, $content)
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{
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global $dir;
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$path = $dir . '/' . $title;
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$lastchanged = filemtime($path);
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$previous = $_POST['lastchanged'];
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if (!isset($_GET['clip']) && (int)$lastchanged > (int)$previous)
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{
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$tempcontent = file_get_contents($path . '.md');
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if ($tempcontent != $content)
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{
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$temptitle = $title . '_' . $lastchanged;
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file_put_contents($dir . '/' . $temptitle . '.md', $tempcontent);
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array_unshift($_SESSION['index'], $dir . '/' . $temptitle);
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echo '<div class="grey">Conflict detected. See backup: ' . $temptitle . '</div>';
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}
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}
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file_put_contents($path . '.md', $content);
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removefromindex($title);
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array_unshift($_SESSION['index'], $path);
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}
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function linksdiv($content)
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{
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$divcontent = '<div class="grey">';
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$links = array();
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if (preg_match_all('/\[\[(.*)\]\]/', $content, $links, PREG_SET_ORDER))
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{
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foreach($links as $link)
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{
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$divcontent .= '<div>
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<a href="index.php?open=true¶m=' . urlencode($link[1]) . '">' . $link[1] . '</a>
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</div>';
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}
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}
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$links = array();
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if (preg_match_all('/(https?:.*)\b/', $content, $links, PREG_SET_ORDER))
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{
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foreach($links as $link)
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{
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$divcontent .= '<div>
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<a target="_blank" href="' . $link[1] . '">' . $link[1] . '</a>
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</div>';
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}
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}
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$divcontent .= '</div>';
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return $divcontent;
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}
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$nextpage = 'home';
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$preview = '';
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if (isset($_GET['download']))
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{
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downloadall();
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}
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else if (isset($_GET['clip']) && $_GET['param'])
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{
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$content = $_GET['param'] . "\r\n" . file_get_contents($dir . '/todo.md');
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savenote('todo', $content);
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$_GET['param'] = '';
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}
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else if (isset($_POST['save']) || isset($_POST['home']) || isset($_POST['links']) || isset($_POST['stats']) || isset($_POST['download']))
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{
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$title = $_POST['title'];
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$content = $_POST['content'];
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savenote($title, $content);
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$previoustitle = $_POST['previoustitle'];
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if ($title != $previoustitle)
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{
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rename($dir . '/' . $previoustitle . '.md', $dir . '/' . $previoustitle . '.md.del');
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removefromindex($previoustitle);
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}
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if (isset($_POST['download']))
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{
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downloadnote($dir . '/' . $title . '.md');
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}
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else if (!isset($_POST['home']))
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{
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$nextpage = 'note';
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}
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}
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else if (isset($_POST['delete']))
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{
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$title = $_POST['title'];
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rename($dir . '/' . $title . '.md', $dir . '/' . $title . '.md.del');
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removefromindex($title);
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}
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else if (isset($_POST['preview']))
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{
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require 'libs/Parsedown.php';
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$title = $_POST['title'];
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$content = $_POST['content'];
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$pos = 0;
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if (str_starts_with($content, '---'))
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{
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$pos = strpos($content, '---', 3) + 3;
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}
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$Parsedown = new Parsedown();
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$Parsedown->setBreaksEnabled(true);
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$preview = $Parsedown->text('# ' . $title . "\r\n" . substr($content, $pos));
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$nextpage = 'preview';
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}
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else if (isset($_GET['open']))
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{
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$nextpage = 'note';
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$title = $_GET['param'];
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}
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<title>
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<?php
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if ($nextpage != 'home' && isset($title))
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{
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echo $title;
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}
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else
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{
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echo 'bbn';
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}
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?>
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</title>
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<link rel="manifest" href="manifest.json" />
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<meta name="theme-color" content="white" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
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<meta charset="UTF-8">
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<link rel="stylesheet" type="text/css" href="style.css">
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</head>
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<body>
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<?php
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if ($nextpage == 'preview')
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{
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echo $preview;
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}
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else if ($nextpage == 'note')
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{
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$now = date("Y-m-d H.i.s", time());
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if (!$title)
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{
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$title = $now;
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}
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if (!file_exists($dir . '/' . $title . '.md'))
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{
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$content = "---\r\ndate: " . substr($now, 0, 10) . "\r\ntags: \r\n---\r\n";
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savenote($title, $content);
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}
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else if (!$content)
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{
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$content = file_get_contents($dir . '/' . $title . '.md');
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}
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clearstatcache();
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$lastchanged = filemtime($dir . '/' . $title . '.md');
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$lines = substr_count($content, "\r\n");
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$words = substr_count($content, " ") + $lines;
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$chars = strlen($content);
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$rows = max(20, $lines) * 2;
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require('note.php');
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}
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else if ($nextpage == 'home')
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{
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if (isset($_GET['param']))
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{
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$param = $_GET['param'];
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}
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require('home.php');
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echo '<div>';
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foreach($_SESSION['index'] as $path)
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{
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$tags = '';
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$name = basename($path);
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if (!str_ends_with($name, '.del'))
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{
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if (($_GET['param'] && isset($_GET['search'])) || isset($_GET['tags']))
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{
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$content = file_get_contents($path . '.md');
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if (
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// param does not match content or title
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(isset($_GET['search']) && !str_contains(cleanstring($content), cleanstring($param)) && !str_contains(cleanstring($name), cleanstring($param))) ||
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// param does not match tags
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(isset($_GET['tags']) && !preg_match('/tags:.*' . $param . '/i', $content))
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)
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{
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continue;
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}
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else if (isset($_GET['search']) && $param == $name)
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{
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header('Location: index.php?open=true¶m=' . urlencode($name));
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die();
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}
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}
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echo '<div><a href=index.php?open=true¶m=' . urlencode($name) . '>' . $name .'</a>';
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if (isset($content) && isset($_GET['tags']))
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{
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$tags = array();
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$hastags = preg_match_all('/tags:(.*)/i', $content, $tags, PREG_SET_ORDER);
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if ($hastags)
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{
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$tagslist = explode(',', $tags[0][1]);
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echo '<span class="grey"> ';
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foreach ($tagslist as $tag)
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{
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$tag = trim($tag);
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echo('<a class="grey" href="index.php?tags=true¶m=' . $tag . '">' . $tag . '</a> ');
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}
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echo '</span>';
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}
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}
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else if (isset($_GET['search']) && str_contains(cleanstring($content), cleanstring($param)))
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{
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$pos = strpos(cleanstring($content), cleanstring($param));
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echo '<span class="grey"> ' . $param . substr($content, $pos + strlen($param), 42) . '</span>';
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}
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echo'</div>';
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}
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}
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echo '</div>';
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}
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?>
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</body>
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</html>
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