67 lines
2.1 KiB
PHP
67 lines
2.1 KiB
PHP
<?php
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// Base URL of the website, without trailing slash.
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$base_url = 'https://notes.orga.cat';
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// Path to the directory to save the notes in, without trailing slash.
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// Should be outside the document root, if possible.
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$save_path = '_tmp';
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// Disable caching.
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header('Cache-Control: no-store');
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// If no note name is provided, or if the name is too long, or if it contains invalid characters.
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if (!isset($_GET['note']) || strlen($_GET['note']) > 64 || !preg_match('/^[a-zA-Z0-9_-]+$/', $_GET['note'])) {
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// Generate a name with 5 random unambiguous characters. Redirect to it.
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header("Location: $base_url/" . substr(str_shuffle('234579abcdefghjkmnpqrstwxyz'), -5));
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die;
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}
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$path = $save_path . '/' . $_GET['note'];
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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$text = isset($_POST['text']) ? $_POST['text'] : file_get_contents("php://input");
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// Update file.
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file_put_contents($path, $text);
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// If provided input is empty, delete file.
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if (!strlen($text)) {
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unlink($path);
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}
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die;
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}
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// Print raw file when explicitly requested, or if the client is curl or wget.
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if (isset($_GET['raw']) || strpos($_SERVER['HTTP_USER_AGENT'], 'curl') === 0 || strpos($_SERVER['HTTP_USER_AGENT'], 'Wget') === 0) {
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if (is_file($path)) {
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header('Content-type: text/plain');
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readfile($path);
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} else {
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header('HTTP/1.0 404 Not Found');
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}
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die;
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}
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?><!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title><?php print $_GET['note']; ?></title>
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<link rel="icon" href="<?php print $base_url; ?>/favicon.ico" sizes="any">
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<link rel="icon" href="<?php print $base_url; ?>/favicon.svg" type="image/svg+xml">
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<link rel="stylesheet" href="<?php print $base_url; ?>/styles.css">
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</head>
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<body>
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<div class="container">
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<textarea id="content"><?php
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if (is_file($path)) {
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print htmlspecialchars(file_get_contents($path), ENT_QUOTES, 'UTF-8');
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}
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?></textarea>
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</div>
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<pre id="printable"></pre>
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<script src="<?php print $base_url; ?>/script.js"></script>
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</body>
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</html>
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