-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathindex.php
150 lines (135 loc) · 4.86 KB
/
index.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
<?php
session_start();
// Configuration
$base_url = "https://sh.mrbean.dev/"; // Replace with your domain
$json_file = "urls.json";
$recaptcha_secret_key = "xxxx"; // Replace with your reCAPTCHA secret key
$recaptcha_site_key = "xxxxx"; // Replace with your reCAPTCHA site key
// CORS headers
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Methods: GET, POST, OPTIONS");
header("Access-Control-Allow-Headers: Content-Type");
// Helper functions
function generate_short_code() {
return substr(str_shuffle("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"), 0, 6);
}
function load_urls() {
global $json_file;
return file_exists($json_file) ? json_decode(file_get_contents($json_file), true) : [];
}
function save_urls($urls) {
global $json_file;
file_put_contents($json_file, json_encode($urls, JSON_PRETTY_PRINT));
}
function shorten_url($long_url) {
$urls = load_urls();
// Check if the URL has already been shortened
foreach ($urls as $short_code => $stored_url) {
if ($stored_url === $long_url) {
return $short_code;
}
}
// If not, create a new short code
do {
$short_code = generate_short_code();
} while (isset($urls[$short_code]));
$urls[$short_code] = $long_url;
save_urls($urls);
return $short_code;
}
function verify_recaptcha($response) {
global $recaptcha_secret_key;
$url = 'https://www.google.com/recaptcha/api/siteverify';
$data = [
'secret' => $recaptcha_secret_key,
'response' => $response,
'remoteip' => $_SERVER['REMOTE_ADDR']
];
$options = [
'http' => [
'header' => "Content-type: application/x-www-form-urlencoded\r\n",
'method' => 'POST',
'content' => http_build_query($data)
]
];
$context = stream_context_create($options);
$result = file_get_contents($url, false, $context);
return json_decode($result)->success;
}
// Handle API requests
if (isset($_GET['url'])) {
$long_url = filter_var($_GET['url'], FILTER_SANITIZE_URL);
if (filter_var($long_url, FILTER_VALIDATE_URL)) {
$short_code = shorten_url($long_url);
echo json_encode(['short_url' => $base_url . $short_code]);
} else {
echo json_encode(['error' => 'Invalid URL']);
}
exit;
}
// Handle form submission
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$long_url = filter_var($_POST["url"], FILTER_SANITIZE_URL);
$recaptcha_response = $_POST['g-recaptcha-response'];
if (!verify_recaptcha($recaptcha_response)) {
$_SESSION["error"] = "reCAPTCHA verification failed. Please try again.";
} elseif (filter_var($long_url, FILTER_VALIDATE_URL)) {
$short_code = shorten_url($long_url);
$_SESSION["short_url"] = $base_url . $short_code;
} else {
$_SESSION["error"] = "Invalid URL. Please enter a valid URL.";
}
header("Location: " . $_SERVER["PHP_SELF"]);
exit;
}
// Handle URL redirection
$request_uri = $_SERVER["REQUEST_URI"];
if (preg_match("/^\/([a-zA-Z0-9]{6})$/", $request_uri, $matches)) {
$short_code = $matches[1];
$urls = load_urls();
if (isset($urls[$short_code])) {
header("Location: " . $urls[$short_code]);
exit;
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>URL-Short</title>
<link rel="stylesheet" href="styles.css">
<script src="https://www.google.com/recaptcha/api.js" async defer></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.1.1/css/all.min.css">
</head>
<body>
<div class="container">
<h1>URL-Short</h1>
<form method="post" action="">
<div class="input-group">
<input type="url" name="url" placeholder="Enter your long URL" required>
<button type="submit"><i class="fas fa-link"></i></button>
</div>
<div class="g-recaptcha" data-sitekey="<?php echo $recaptcha_site_key; ?>"></div>
</form>
<?php if (isset($_SESSION["short_url"])): ?>
<div class="result">
<p>Your shortened URL:</p>
<div class="short-url-container">
<input type="text" id="shortUrl" value="<?php echo $_SESSION["short_url"]; ?>" readonly>
<button id="copyButton" onclick="copyShortUrl()">
<i class="fas fa-copy"></i>
</button>
</div>
</div>
<?php unset($_SESSION["short_url"]); ?>
<?php endif; ?>
<?php if (isset($_SESSION["error"])): ?>
<div class="error"><?php echo $_SESSION["error"]; ?></div>
<?php unset($_SESSION["error"]); ?>
<?php endif; ?>
</div>
<script src="script.js"></script>
</body>
</html>