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googolmo/index.php

Forked from rpetrich/index.php
Created Jan 30, 2012
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Twitter self-hosted image service/url shortener
<?
// Twitter self-hosted image service/url shortener by Ryan Petrich
// Installation:
// 1. Paste this script into the top of your HTTP root's index.php (rename index.html to index.php if it doesn't exist)
// 2. Add the following to your HTTP root's .htaccess file (create .htaccess if it doesn't exist):
// ErrorDocument 404 /index.php
// 3. Create a "s" subfolder and give it 777 permissions
// 4. Add the following as the custom URL for URL shortening in Twitter for iPhone's settings:
// http://yourdomain.com/?d=%@&p=password
// 5. Add the following as the custom URL for Image service:
// http://yourdomain.com/?password
$password = 'password';
function genRandomString($length) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyz';
$string = '';
for ($p = 0; $p < $length; $p++) {
$string .= $characters[mt_rand(0, strlen($characters))];
}
return $string;
}
function randomFileName() {
$filename = genRandomString(4);
while (file_exists("s/$filename.url") || file_exists("s/$filename.png") || file_exists("s/$filename.jpg"))
$filename = genRandomString(5);
return $filename;
}
if (($_GET['p'] == $password) && isset($_GET['d']) && ($_GET['d'] != '%@')) {
// Shortening a URL
$filename = randomFileName();
$fh = fopen("s/$filename.url", 'w') or die("can't open file");
fwrite($fh, $_GET['d']);
fclose($fh);
echo 'http://'.$_SERVER['SERVER_NAME'].'/'.$filename;
exit();
}
$url = $_SERVER['REQUEST_URI'];
if ($url == "/?$password") {
// Uploading media
$filetype = $_FILES['media']['type'];
if ($filetype == 'image/png')
$filetype = '.png';
else if ($filetype == 'image/jpeg')
$filetype = '.jpg';
else
die('bad filetype');
$filename = randomFileName();
move_uploaded_file($_FILES['media']['tmp_name'], 's/'.$filename.$filetype);
echo '<mediaurl>http://'.$_SERVER['SERVER_NAME'].'/'.$filename.'</mediaurl>';
exit();
}
if (strpos($url, '.') == false) {
$url = substr($url, 1);
// Shortened URL
if (file_exists("s/$url.url")) {
$contents = file("s/$url.url");
header('HTTP/1.1 301 Moved Permanently');
header('Location: '.$contents[0]);
exit();
}
// Uploaded media (PNG)
if (file_exists("s/$url.png")) {
header('Content-Type: image/png');
header('Content-Length: ' . filesize("s/$url.png"));
ob_clean();
flush();
readfile("s/$url.png");
exit();
}
// Uploaded media (JPEG)
if (file_exists("s/$url.jpg")) {
header('Content-Type: image/jpeg');
header('Content-Length: ' . filesize("s/$url.jpg"));
ob_clean();
flush();
readfile("s/$url.jpg");
exit();
}
}
?>
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