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Add remove URL support #27

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Add remove URL support #27

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1f3ef80
Create remover.php
hahagu Aug 12, 2017
4bf6a5e
Create remove.php
hahagu Aug 12, 2017
6c5f37d
Update remover.php
hahagu Sep 13, 2018
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62 changes: 62 additions & 0 deletions remove.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,62 @@
<?php
/*
* First authored by Brian Cray
* Page created by Defyworks
* License: http://creativecommons.org/licenses/by/3.0/
* Contact the author at http://briancray.com/
* Contact the page creator at https://www.defyworks.com/
*/

ini_set('display_errors', 0);

$url_to_remove = get_magic_quotes_gpc() ? stripslashes(trim($_REQUEST['shorturl'])) : trim($_REQUEST['shorturl']);

if(!empty($url_to_remove))
{
require('config.php');

// check if the client IP is allowed to shorten
if($_SERVER['REMOTE_ADDR'] != LIMIT_TO_IP)
{
die('You are not allowed to remove shortened URLs with this service.');
}

// check if the URL exists
$id_to_remove = getIDFromShortenedURL($url_to_remove);

$urlcheck = mysql_result(mysql_query('SELECT id FROM ' . DB_TABLE. ' WHERE id="' . mysql_real_escape_string($id_to_remove) . '"'), 0, 0);

if(!empty($urlcheck))
{

$creator = mysql_result(mysql_query('SELECT creator FROM ' . DB_TABLE. ' WHERE id="' . mysql_real_escape_string($id_to_remove) . '"'), 0, 0);
if($creator != $_SERVER['REMOTE_ADDR'])
{
die('You are not the creator of this URL!');
} else {
mysql_query('DELETE FROM ' . DB_TABLE. ' WHERE id="' . mysql_real_escape_string($id_to_remove) . '"');
die('URL Successfully deleted!');
}

}
else
{
// URL doesn't exist
die('URL does not exist on the database!');
}
}

die('ERROR!');

function getIDFromShortenedURL ($string, $base = ALLOWED_CHARS)
{
$length = strlen($base);
$size = strlen($string) - 1;
$string = str_split($string);
$out = strpos($base, array_pop($string));
foreach($string as $i => $char)
{
$out += strpos($base, $char) * pow($length, $size - $i);
}
return $out;
}
20 changes: 20 additions & 0 deletions remover.php
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<title>URL shortener</title>
<meta name="robots" content="noindex, nofollow">
</html>
<body>
<form method="post" action="remove.php" id="remover">
<label for="longurl">Shortlink Alias to remove</label> <input type="text" name="shorturl" id="shorturl"> <input type="submit" value="Remove">
</form>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>

<script>
$(function () {
$('#remover').submit(function () {
$.ajax({data: {shorturl: $('#shorturl').val()}, url: 'remove.php', complete: function (XMLHttpRequest, textStatus) {
$('#shorturl').val(XMLHttpRequest.responseText);
}});
return false;
});
});
</script>
</body>