bbn/common.php

135 lines
3.2 KiB
PHP

<?php
error_reporting(E_ALL);
require 'settings.php';
function cleanstring($string)
{
return iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', strtolower($string));
}
function downloadall()
{
$zip = new ZipArchive();
$zip_name = 'bbn.zip';
$zip->open($zip_name, ZipArchive::CREATE);
foreach($_SESSION['index'] as $path)
{
if (!str_ends_with($path, '.del'))
{
$path = $path . '.md';
if (file_exists($path))
{
$zip->addFile($path, basename($path));
}
}
}
$zip->close();
header('Content-disposition: attachment; filename=' . $zip_name);
header('Content-type: application/zip');
readfile($zip_name);
unlink($zip_name);
}
function savenote($title, $content)
{
global $dir;
$path = $dir . '/' . $title;
$lastchanged = filemtime($path . '.md');
$previous = $_POST['lastchanged'];
if ((int)$lastchanged > (int)$previous)
{
$tempcontent = file_get_contents($path . '.md');
if ($tempcontent != $content)
{
$temptitle = $title . '_conflict_' . $lastchanged;
file_put_contents($dir . '/' . $temptitle . '.md', $tempcontent);
array_unshift($_SESSION['index'], $dir . '/' . $temptitle);
}
}
file_put_contents($path . '.md', $content);
removefromindex($title);
array_unshift($_SESSION['index'], $path);
}
function removefromindex($title)
{
global $dir;
$key = array_search($dir . '/' . $title, $_SESSION['index']);
if ($key !== FALSE)
{
array_splice($_SESSION['index'], $key, 1);
}
}
function downloadnote($path)
{
header('Content-disposition: attachment; filename=' . basename($path));
header('Content-type: text/markdown');
readfile($path);
}
function linksdiv($content)
{
$divcontent = '<div class="grey">';
$links = array();
if (preg_match_all('/\[\[(.*)\]\]/', $content, $links, PREG_SET_ORDER))
{
foreach($links as $link)
{
$divcontent .= '<div>
<a href="index.php?open=true&param=' . urlencode($link[1]) . '">' . $link[1] . '</a>
</div>';
}
}
$links = array();
if (preg_match_all('/(https?:.*)\b/', $content, $links, PREG_SET_ORDER))
{
foreach($links as $link)
{
$divcontent .= '<div>
<a target="_blank" href="' . $link[1] . '">' . $link[1] . '</a>
</div>';
}
}
$divcontent .= '</div>';
return $divcontent;
}
function computepreview($title, $content)
{
require 'libs/Parsedown.php';
$pos = 0;
if (str_starts_with($content, '---'))
{
$pos = strpos($content, '---', 3) + 3;
}
$Parsedown = new Parsedown();
$Parsedown->setBreaksEnabled(true);
$preview = $Parsedown->text('# ' . $title . "\r\n" . substr($content, $pos));
return $preview;
}
// authent
if ($password && (!isset($_SERVER['PHP_AUTH_PW']) || $_SERVER['PHP_AUTH_PW'] != $password))
{
header('WWW-Authenticate: Basic realm="bbn"');
header('HTTP/1.0 401 Unauthorized');
echo '<p>Access denied.</p></body></html>';
exit;
}
// reindex if needed
session_start();
if (!isset($_SESSION['index']) || isset($_GET['reindex']) || empty($_SESSION['index']))
{
$files = glob($dir . '/*.md');
usort($files, function($a, $b)
{
return filemtime($b) - filemtime($a);
});
$_SESSION['index'] = array_map(fn($value): string => str_replace('.md', '', $value), $files);
}
?>