mirror of
https://bitbucket.org/librepilot/librepilot.git
synced 2024-11-29 07:24:13 +01:00
b6b7adcbdb
Collect statistics about the usage of our software and hardware
to enable us to make things better for you.
82 lines
1.9 KiB
PHP
82 lines
1.9 KiB
PHP
<?php
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if (!$_SERVER['REQUEST_METHOD'] === 'GET' || empty($_GET['hash'])) {
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usage_error();
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}
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// NOTE: $hash not sanitized because of the checksum match test.
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$hash = $_GET['hash'];
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$string = str_replace('&hash=' . $hash, '', rawurldecode($_SERVER['QUERY_STRING']));
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if ($hash != md5($string)) {
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usage_error();
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}
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$dbhost = 'localhost';
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$dbname = '';
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$dbpasswd = '';
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$dbuser = '';
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$db = new mysqli($dbhost, $dbuser, $dbpasswd, $dbname);
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unset($dbhost, $dbuser, $dbpasswd, $dbname);
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if ($db->connect_error) {
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die();
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}
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$sql = sprintf("SELECT id, last_date FROM usagetracker WHERE hash = '%s' LIMIT 1",
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$db->real_escape_string($hash)
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);
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$res = $db->query($sql);
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if ($res->num_rows > 0) {
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// Shouldn't normally be here but happens if GCS settings are reset
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// or if the request come from another source than GCS.
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$hashUpdate = $res->fetch_assoc();
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if ($hashUpdate['last_date'] < (time() - 3600)) {
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// Update timestamp and connection count.
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$sql = sprintf("UPDATE usagetracker SET last_date = %u, count = count + 1 WHERE id = %u LIMIT 1",
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time(),
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$hashUpdate['id']
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);
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$db->query($sql);
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}
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}
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else {
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// New hash
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$sql = sprintf("INSERT INTO usagetracker (first_date, last_date, ip, data, hash)
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VALUES (%u, %u, '%s', '%s', '%s')",
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time(),
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time(),
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encode_ip($_SERVER['REMOTE_ADDR']),
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$db->real_escape_string($string),
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$db->real_escape_string($_GET['hash'])
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);
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$db->query($sql);
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}
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$db->close();
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function usage_error()
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{
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//ob_start();
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header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
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header("Status: 404 Not Found");
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// Matching server 404 output can be added.
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exit();
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}
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function encode_ip($dotquad_ip)
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{
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$ip_sep = explode('.', $dotquad_ip);
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return sprintf('%02x%02x%02x%02x', $ip_sep[0], $ip_sep[1], $ip_sep[2], $ip_sep[3]);
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}
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?>
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