phyks/shorturl
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All code merged in a single file

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This commit is contained in:
Phyks 2013-10-15 14:00:00 +01:00
parent 4db1966d52
commit 5917828ef1
3 changed files with 111 additions and 147 deletions
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7
config.example.php
View File

@ -1,7 +0,0 @@
<?php
// The file to which we should store the data
define('DATA_FILE', 'data');
// The base URL with which you will access the script. No trailing slash.
define('BASE_URL', 'http://localhost/tinyURL');
// Max number of URLs to keep
define('MAX_SAVED_URLS', 100);

117
index.php
View File

@ -1,27 +1,45 @@
<?php
require('config.php');
// CONFIG
// Edit this according to your needs
if (is_readable(DATA_FILE))
{
// The file to which we should store the data
define('DATA_FILE', 'data');
// The base URL with which you will access the script. No trailing slash.
define('BASE_URL', 'http://localhost/tinyURL');
// Max number of URLs to keep
define('MAX_SAVED_URLS', 100);
// ======
function sort_array(&$array, $key, $order=SORT_DESC) {
$sort_keys = array();
foreach ($array as $key2 => $entry) {
$sort_keys[$key2] = $entry[$key];
}
return array_multisort($sort_keys, $order, $array);
}
if (is_readable(DATA_FILE)) {
$data = unserialize(gzinflate(file_get_contents(DATA_FILE)));
}
else
else {
$data = array();
// If we don't have exactly one $_GET arg, we print a default page
if (count($_GET) != 1) {
if (!empty($_POST['url']) || (isset($_GET['add']) && !empty($_GET['url']))) {
$default_url = htmlspecialchars($_GET['url']);
}
else {
$default_url = '';
}
if (!empty($_POST['short'])) {
$default_short = htmlspecialchars($_GET['short']);
// If we have exactly one GET arg, we redirect user
if (count($_GET) == 1) {
// We get the shortened url
$get = each($_GET);
$short = $get['key'];
$url = BASE_URL;
if (array_key_exists($short, $data)) {
$url = $data[$short]['url'];
}
else {
$default_short = '';
// $url is now index.php if no element was found, the right url if found
header('location:'.$url);
exit();
}
?>
<!DOCTYPE html>
@ -47,7 +65,56 @@ if (count($_GET) != 1) {
</head>
<body>
<h1><a href="index.php">It's too long…</a></h1>
<form method="post" action="process.php">
<?php
if(!empty($_POST['url'])) {
if(!empty($_POST['short'])) {
$short = htmlspecialchars($_POST['short']);
}
else {
$short = dechex(crc32($_POST['url']));
}
$url = htmlspecialchars($_POST['url']);
$array = array("url"=>$url, "short"=>$short);
if (count($data) >= MAX_SAVED_URLS)
{
// Delete the first element
sort_array($data, 'timestamp');
array_shift($data);
}
// Store short link in the data array
$data[$short] = array('timestamp'=>time(), 'url'=>$url);
// Save it in the file
file_put_contents(DATA_FILE, gzdeflate(serialize($data)));
// Echoes the result
$new_url = BASE_URL.'/?'.$short;
?>
<p>Your shorten URL:<br/>
<strong><a href="<?php echo $new_url ?>"><?php echo $new_url; ?></a></strong>
</p>
<p>Short link for: <?php echo '<a href="'.$url.'">'.$url.'</a>'; ?></p>
<?php
}
else {
if (isset($_GET['add']) && !empty($_GET['url'])) {
$default_url = htmlspecialchars($_GET['url']);
}
else {
$default_url = '';
}
if (!empty($_POST['short'])) {
$default_short = htmlspecialchars($_GET['short']);
}
else {
$default_short = '';
}
?>
<form method="post" action="index.php">
<p>
<label for="url">URL: </label><input type="text" size="50" name="url" id="url" value="<?php echo $default_url; ?>"/>
</p>
@ -59,20 +126,8 @@ if (count($_GET) != 1) {
<a href="javascript:javascript:(function(){var%20url%20=%20location.href;var%20title%20=%20document.title%20||%20url;window.open('<?php echo BASE_URL; ?>/?add&amp;url='%20+%20encodeURIComponent(url),'_blank','menubar=no,height=390,width=600,toolbar=no,scrollbars=no,status=no,dialog=1');})();">Short link</a>
</p>
</form>
</body>
</html>
<?php
}
// Else, we redirect the visitor to the right URL
else {
// We get the shortened url
$get = each($_GET);
$short = $get['key'];
$url = BASE_URL;
if (array_key_exists($short, $data)) {
$url = $data[$short]['url'];
}
// $url is now index.php if no element was found, the right url if found
header('location:'.$url);
}
?>
</body>
</html>

84
process.php
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@ -1,84 +0,0 @@
<?php
require('config.php');
function sort_array(&$array, $key, $order=SORT_DESC) {
$sort_keys = array();
foreach ($array as $key2 => $entry) {
$sort_keys[$key2] = $entry[$key];
}
return array_multisort($sort_keys, $order, $array);
}
if(empty($_POST['url'])) {
header('location : index.php');
}
else {
if (is_readable(DATA_FILE)) {
$data = unserialize(gzinflate(file_get_contents(DATA_FILE)));
}
else {
$data = array();
}
}
?>
<!DOCTYPE html>
<html lang="fr">
<head>
<meta charset="utf-8">
<title>Shorten me !</title>
<style type="text/css">
body {
text-align: center;
background-color: #333;
color: #DDD;
}
a:link, a:visited, a:hover, a:active {
color: yellow;
}
</style>
</head>
<body>
<h1><a href="index.php">It was too long !</a></h1>
<?php
if (isset($_POST['short']) && $_POST['short'] != "") {
$short = htmlspecialchars($_POST['short']);
}
else {
$short = dechex(crc32($_POST['url']));
}
if (isset($_POST['url']) && $_POST['url'] != "") {
$url = htmlspecialchars($_POST['url']);
$array = array("url"=>$url, "short"=>$short);
if (count($data) >= MAX_SAVED_URLS)
{
// Delete the first element
sort_array($data, 'timestamp');
array_shift($data);
}
// Store short link in the data array
$data[$short] = array('timestamp'=>time(), 'url'=>$url);
// Save it in the file
file_put_contents(DATA_FILE, gzdeflate(serialize($data)));
// Echoes the result
$new_url = BASE_URL.'/?'.$short;
?>
<p>Your shorten URL:<br/>
<strong><a href="<?php echo $new_url ?>"><?php echo $new_url; ?></a></strong>
</p>
<p>Short link for: <?php echo '<a href="'.$url.'">'.$url.'</a>'; ?></p>
<?php
}
else {
echo "<p>Missing URL. <a href='index.php'>Back to index page</a>.</p>";
}
?>
</body>
</html>