2013-10-06 15:00:00 +02:00
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<?php
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2013-10-15 15:00:00 +02:00
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// CONFIG
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// Edit this according to your needs
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2013-10-11 15:00:00 +02:00
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2013-10-15 15:00:00 +02:00
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// The file to which we should store the data
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define('DATA_FILE', 'data');
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// The base URL with which you will access the script. No trailing slash.
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define('BASE_URL', 'http://localhost/tinyURL');
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// Max number of URLs to keep
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define('MAX_SAVED_URLS', 100);
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// ======
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function sort_array(&$array, $key, $order=SORT_DESC) {
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$sort_keys = array();
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foreach ($array as $key2 => $entry) {
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$sort_keys[$key2] = $entry[$key];
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}
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return array_multisort($sort_keys, $order, $array);
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}
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if (is_readable(DATA_FILE)) {
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2013-10-10 15:00:00 +02:00
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$data = unserialize(gzinflate(file_get_contents(DATA_FILE)));
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2013-10-06 15:00:00 +02:00
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}
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2013-10-15 15:00:00 +02:00
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else {
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2013-10-06 15:00:00 +02:00
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$data = array();
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2013-10-15 15:00:00 +02:00
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}
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// If we have exactly one GET arg, we redirect user
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if (count($_GET) == 1) {
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// We get the shortened url
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$get = each($_GET);
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$short = $get['key'];
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$url = BASE_URL;
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if (array_key_exists($short, $data)) {
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$url = $data[$short]['url'];
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}
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// $url is now index.php if no element was found, the right url if found
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header('location:'.$url);
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exit();
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}
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?>
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<!DOCTYPE html>
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<html lang="fr">
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<head>
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<meta charset="utf-8">
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<title>Shorten me</title>
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<style type="text/css">
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body {
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text-align: center;
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background-color: #333;
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color: #DDD;
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}
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a:link, a:visited, a:hover, a:active {
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color: yellow;
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}
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label {
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display: block;
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}
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</style>
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</head>
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<body>
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<h1><a href="index.php">It's too long…</a></h1>
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<?php
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if(!empty($_POST['url'])) {
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if(!empty($_POST['short'])) {
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$short = htmlspecialchars($_POST['short']);
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}
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else {
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$short = dechex(crc32($_POST['url']));
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}
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2013-10-06 15:00:00 +02:00
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2013-10-15 15:00:00 +02:00
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$url = htmlspecialchars($_POST['url']);
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$array = array("url"=>$url, "short"=>$short);
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if (count($data) >= MAX_SAVED_URLS)
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{
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// Delete the first element
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sort_array($data, 'timestamp');
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array_shift($data);
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}
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// Store short link in the data array
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$data[$short] = array('timestamp'=>time(), 'url'=>$url);
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// Save it in the file
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file_put_contents(DATA_FILE, gzdeflate(serialize($data)));
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// Echoes the result
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$new_url = BASE_URL.'/?'.$short;
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?>
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<p>Your shorten URL:<br/>
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<strong><a href="<?php echo $new_url ?>"><?php echo $new_url; ?></a></strong>
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</p>
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<p>Short link for: <?php echo '<a href="'.$url.'">'.$url.'</a>'; ?></p>
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<?php
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}
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else {
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if (isset($_GET['add']) && !empty($_GET['url'])) {
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2013-10-06 15:00:00 +02:00
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$default_url = htmlspecialchars($_GET['url']);
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2013-10-09 15:00:00 +02:00
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}
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else {
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2013-10-10 15:00:00 +02:00
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$default_url = '';
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}
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if (!empty($_POST['short'])) {
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$default_short = htmlspecialchars($_GET['short']);
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}
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else {
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$default_short = '';
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2013-10-09 15:00:00 +02:00
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}
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2013-10-06 15:00:00 +02:00
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?>
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2013-10-15 15:00:00 +02:00
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<form method="post" action="index.php">
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<p>
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<label for="url">URL: </label><input type="text" size="50" name="url" id="url" value="<?php echo $default_url; ?>"/>
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</p>
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<p>
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<label for="short">Shortcut (optional): </label><input type="short" size="50" name="short" id="short" value="<?php echo $default_short;?>"/>
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</p>
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<p><input type="submit" value="Shorten !"/></p>
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<p>Add this link to your bookmarks to shorten links in one click !
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<a href="javascript:javascript:(function(){var%20url%20=%20location.href;var%20title%20=%20document.title%20||%20url;window.open('<?php echo BASE_URL; ?>/?add&url='%20+%20encodeURIComponent(url),'_blank','menubar=no,height=390,width=600,toolbar=no,scrollbars=no,status=no,dialog=1');})();">Short link</a>
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</p>
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</form>
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2013-10-06 15:00:00 +02:00
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<?php
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}
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?>
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2013-10-15 15:00:00 +02:00
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</body>
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</html>
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