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<?php
/* InstaDisc Server - A Four Island Project */
include_once('includes/db.php');
function instaDisc_checkVerification($username, $verification, $verificationID, $table, $nameField, $passField)
{
$getverid = "SELECT * FROM oldVerID WHERE username = \"" . mysql_real_escape_string($username) . "\" AND verID = " . $verificationID;
$getverid2 = mysql_query($getverid);
$getverid3 = mysql_fetch_array($getverid2);
if ($getverid3['id'] != $verificationID)
{
$getitem = "SELECT * FROM " . $table . " WHERE " . $nameField . " = \"" . mysql_real_escape_string($username) . "\"";
$getitem2 = mysql_query($getitem);
$getitem3 = mysql_fetch_array($getitem2);
if ($getitem3[$nameField] == $username)
{
$test = $username . ':' . $getitem3[$passField] . ':' . $verificationID;
if (md5($test) == $verification)
{
$cntverid = "SELECT COUNT(*) FROM oldVerID WHERE username = \"" . mysql_real_escape_string($username) . "\"";
$cntverid2 = mysql_query($cntverid);
$cntverid3 = mysql_fetch_array($cntverid2);
if ($cntverid3[0] >= intval(instaDisc_getConfig('verIDBufferSize')))
{
$delverid = "DELETE FROM oldVerID WHERE username = \"" . mysql_real_escape_string($username) . "\" LIMIT 0,1";
$delverid2 = mysql_query($delverid);
}
$insverid = "INSERT INTO oldVerID (username, verID) VALUES (\"" . mysql_real_escape_string($username) . "\", " . $verificationID . ")";
$insverid2 = mysql_query($insverid);
if (($table == 'users') && ($getitem3['ip'] != $_SERVER['REMOTE_ADDR']))
{
$setuser = "UPDATE users SET ip = \"" . $_SERVER['REMOTE_ADDR'] . "\" WHERE id = " . $getitem3['id'];
$setuser2 = mysql_query($setuser);
}
return true;
}
}
}
return false;
}
function instaDisc_sendItem($username, $id)
{
$getitem = "SELECT * FROM inbox WHERE username = \"" . mysql_real_escape_string($username) . "\" AND itemID = " . $id;
$getitem2 = mysql_query($getitem);
$getitem3 = mysql_fetch_array($getitem2);
if ($getitem3['username'] == $username)
{
$getuser = "SELECT * FROM users WHERE username = \"" . mysql_real_escape_string($username) . "\"";
$getuser2 = mysql_query($getuser);
$getuser3 = mysql_fetch_array($getuser2);
if (($getuser3['downloadItemMode'] == 'Push') && ($getuser3['port'] != 0))
{
$fp = @fsockopen($getuser3['ip'], $getuser3['port'], $errno, $errstr);
if ($fp)
{
$title = str_replace(': ', '__INSTADISC__', $getitem3['title']);
$out = instaDisc_formItem($username, $id, "\r\n") . "\r\n\r\n";
fwrite($fp, $out);
fclose($fp);
return true;
} else {
return false;
}
}
}
}
function instaDisc_addItem($username, $subscription, $title, $author, $url, $semantics, $encryptionID = 0)
{
$getuser = "SELECT * FROM users WHERE username = \"" . mysql_real_escape_string($username) . "\"";
$getuser2 = mysql_query($getuser);
$getuser3 = mysql_fetch_array($getuser2);
if ($getuser3['username'] == $username)
{
$itemID = $getuser3['nextItemID'];
$setuser = "UPDATE users SET nextItemID = nextItemID+1 WHERE username = \"" . mysql_real_escape_string($username) . "\"";
$setuser2 = mysql_query($setuser);
$insitem = "INSERT INTO inbox (username, itemID, subscription, title, author, url, semantics, encryptionID) VALUES (\"" . mysql_real_escape_string($username) . "\", " . $itemID . ", \"" . mysql_real_escape_string($subscription) . "\", \"" . mysql_real_escape_string($title) . "\", \"" . mysql_real_escape_string($author) . "\", \"" . mysql_real_escape_string($url) . "\", \"" . mysql_real_escape_string($semantics) . "\"," . $encryptionID . ")";
$insitem2 = mysql_query($insitem);
if ($getuser3['downloadItemMode'] == 'Push')
{
instaDisc_sendItem($username, $itemID);
}
}
}
function instaDisc_createUser($username, $password)
{
$insuser = "INSERT INTO users (username, password) VALUES (\"" . mysql_real_escape_string($username) . "\", \"" . mysql_real_escape_string($password) . "\")";
$insuser2 = mysql_query($insuser);
}
function instaDisc_getConfig($key)
{
$getconfig = "SELECT * FROM config WHERE name = \"" . mysql_real_escape_string($key) . "\"";
$getconfig2 = mysql_query($getconfig);
$getconfig3 = mysql_fetch_array($getconfig2);
return $getconfig3['value'];
}
function instaDisc_changePassword($username, $password)
{
$setpass = "UPDATE users WHERE username = \"" . mysql_real_escape_string($username) . "\" SET password = \"" . mysql_real_escape_string(md5($password)) . "\"";
$setpass2 = mysql_query($setpass);
}
function instaDisc_initalizePort($username)
{
$getports = "SELECT * FROM users WHERE ip = \"" . mysql_real_escape_string($username) . "\" AND port <> 0 ORDER BY port ASC";
$getports2 = mysql_query($getports);
$i=0;
while ($getports3[$i] = mysql_fetch_array($getports2))
{
$i++;
}
if ($i==0)
{
$port = 1204;
} else if ($i>=4331)
{
return 0;
} else {
$port = (61204 + ($i-1));
}
$setuser = "UPDATE users SET port = " . $port . " WHERE username = \"" . mysql_real_escape_string($username) . "\"";
$setuser2 = mysql_query($setuser);
return $port;
}
function instaDisc_formItem($username, $id, $ln = "\n")
{
$getitem = "SELECT * FROM inbox WHERE username = \"" . mysql_real_escape_string($username) . "\" AND itemID = " . $id;
$getitem2 = mysql_query($getitem);
$getitem3 = mysql_fetch_array($getitem2);
if ($getitem3['username'] == $username)
{
$getuser = "SELECT * FROM users WHERE username = \"" . mysql_real_escape_string($username) . "\"";
$getuser2 = mysql_query($getuser);
$getuser3 = mysql_fetch_array($getuser2);
$verID = rand(1,2147483647);
$out = 'ID: ' . $id . $ln;
$out .= 'Verification: ' . md5($username . ':' . $getuser3['password'] . ':' . $verID) . $ln;
$out .= 'Verification-ID: ' . $verID . $ln;
$out .= 'Subscription: ' . $getitem3['subscription'] . $ln;
$out .= 'Title: ' . $title . $ln;
$out .= 'Author: ' . $getitem3['author'] . $ln;
$out .= 'URL: ' . $getitem3['url'] . $ln;
$semantics = unserialize($getitem3['semantics']);
foreach ($semantics as $name => $value)
{
$value = str_replace(': ', '__INSTADISC__', $value);
$out .= $name . ': ' . $value . $ln;
}
if ($getitem3['encryptionID'] != 0)
{
$out .= 'Encryption-ID: ' . $getitem3['encryptionID'] . $ln;
}
}
}
?>
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