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<?
/* --LOGIN-- */
function login(){
if($_SERVER['REQUEST_METHOD'] == 'POST') {
/*___Database Query: Login___*/
$unsafe_username = $_POST["username"];
$unsafe_passwort = $_POST["password"];
$username = SQLite3::escapeString("$unsafe_username");
$passwort = SQLite3::escapeString("$unsafe_passwort");
$db = new SQLite3("../database/sqlite.db");
$salt_db = $db->query("SELECT salt FROM user WHERE name='$username';");
while($salt_array = $salt_db->fetchArray(SQLITE3_NUM)){
foreach($salt_array as $firstelement){
$salt=$firstelement;
}
}
$password = "$salt"."$passwort";
$hash_password = md5($password);
for($i=0;$i<15000;$i++)
$hash_password = md5($hash_password);
$real_password_db = $db->query("SELECT password FROM user WHERE name='$username';");
while($real_password_array = $real_password_db->fetchArray(SQLITE3_NUM)){
foreach($real_password_array as $secondelement){
$real_password=$secondelement;
}
}
/*___Login___*/
if ($real_password == $hash_password) {
if($db->exec("
BEGIN TRANSACTION;
INSERT INTO log (id, user, login) VALUES (NULL, (SELECT id FROM user WHERE name='$username'), (SELECT datetime()) );
COMMIT;
")){
$_SESSION["login"] = true;
$_SESSION["username"] = "$unsafe_username";
header("Refresh: 0; /");
} else {
header("Refresh: 0; login?reason=database");
}
} else {
header("Refresh: 0; login?reason=failure");
}
} else {
/*Prints the GET version*/
if($_SESSION["login"]){
header("Refresh: 0; /");
} else {
foreach ($_GET as $argument => $value) {
if(preg_match("/success/",$argument))
$logout="Log out was succesfull!";
}
if($logout){
echo $logout;
}
echo "<form method='post' action='/login'>
<p>Name: <input type='text' name='username'></p>
<p>Password: <input type='password' name='password'>
<p><input type='submit' name='submit' value='login'></p>
</form>";
}
}
exit;
}
/* --LOGOUT-- */
function logout(){
session_destroy();
header("Refresh: 0; /login?success");
exit;
}
/* --INVITE-- */
function invite(){
if($_SERVER['REQUEST_METHOD'] == 'POST') {
$name=$_SESSION["username"];
$safe_name = SQLite3::escapeString("$name");
$email=$_POST["email"];
$safe_email=SQLite3::escapeString("$email");
$db = new SQLite3("../database/sqlite.db");
$invite_db = $db->query("SELECT invites FROM user WHERE name='$safe_name';");
$invite_ar = $invite_db->fetchArray(SQLITE3_NUM);
$invite = $invite_ar[0];
if($invite > 0){
/*Generates the invite key => [-_0-9a-zA-Z]{11}*/
$key_array = array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "_", "-", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" );
$length = count($key_array);
$key = "";
for ($i=0;$i<11;$i++){
$index = mt_rand(0,$length-1);
$key = "$key".$key_array[$index];
}
$id_db = $db->query("SELECT id FROM USER WHERE name='$safe_name';");
$id_ar = $id_db->fetchArray(SQLITE3_NUM);
$id = $id_ar[0];
/*Generates the new user and decrease the invites*/
$invite = $invite - 1;
echo "ID: '$id', KEY: '$key', SAFE_EMAIL: '$safe_email'";
if($db->exec("
BEGIN TRANSACTION;
INSERT INTO user (id, name, email, senpai, key, status) VALUES (NULL, NULL, '$safe_email', '$id', '$key', 0);
UPDATE user SET invites='$invite' WHERE id='$id';
COMMIT;")
){
header("Refresh: 0; /invite?reason=success");
} else {
header("Refresh: 0; /invite?reason=database");
}
} else {
header("Refresh: 0; /invite?reason=invites");
}
} else {
/*Prints the formular if requested with GET*/
foreach ($_GET as $name => $value) {
echo 'Name: ' . $name . ' Value: ' . $value . '<br />';
}
echo "Hallo $name
<form method='post' action='/invite'>
<p> E-Mail: <input type='text' name='email'></p>
<input type='hidden' name='username' value='$_SESSION[username]'>
<input type='submit' name='submit' value='invite'>
</form>";
echo "END";
}
exit;
}
/* --REGISTER-- */
function register(){
if($_SERVER['REQUEST_METHOD'] == 'POST') {
session_start();
$name = $_POST["name"];
$cleartext_password = $_POST["pswd"];
$second_password = $_POST["2ndpswd"];
$email = $_POST["email"];
if(($cleartext_password != $second_password) || !isset($_POST["pswd"]) || !isset($_POST["2ndpswd"]) || $cleartext_password == "" || $second_password == "" || empty($_POST["pswd"]) || empty($_POST["2ndpswd"])){
header("Refresh: 0; register?reason=password");
exit;
}
if(preg_match("/[^-_0-9a-zA-Z]/", $name) || preg_match("/[^-_0-9a-zA-Z]/", $cleartext_password) || preg_match("/[^-_0-9a-zA-Z@.]/", $email)){
header("Refresh: 0; register?reason=encoding");
exit;
}
$db = new SQLite3("../database/sqlite.db");
$safe_name = SQLite3::escapeString("$name");
$safe_email = SQLite3::escapeString("$email");
/*Checks the validation of the registration attempt*/
$test_status_db = $db->query("SELECT status FROM user WHERE email='$safe_email';");
$test_status_arr = $test_status_db->fetchArray(SQLITE3_NUM);
$test_status_int = $test_status_arr[0];
$test_key_db = $db->query("SELECT key FROM user WHERE email='$safe_email';");
$test_key_arr = $test_key_db->fetchArray(SQLITE3_NUM);
$test_key = $test_key_arr[0];
if ($test_status_int != 0 || $email == "" || $test_key != $_POST["key"] || $test_key == ""){
header("Refresh: 0; /register?reason=prohibited");
exit;
} else {
$id_db = $db->query("SELECT id FROM user WHERE email='$safe_email';");
$id_ar = $id_db->fetchArray(SQLITE3_NUM);
$id = $id_ar[0];
/*Generates the encrypted password and the database transactions*/
$salt = uniqid(mt_rand(), true);
$password = "$salt"."$cleartext_password";
$hash_password = md5($password);
for($i=0;$i<15000;$i++)
$hash_password = md5($hash_password);
if($db->exec("
BEGIN TRANSACTION;
UPDATE user SET name='$safe_name', salt='$salt', password='$hash_password', invites=5, status=1, register=(SELECT datetime()) WHERE id=$id;
INSERT INTO files (id, parent, owner, name, folder, mime, size, share, extra) VALUES (NULL, 0, $id, '/', 'DIRECTORY', NULL, NULL, 'PUBLIC', NULL);
COMMIT;")
){
$_SESSION["login"] = true;
$_SESSION["username"] = $name;
header("Refresh: 0; /register?reason=registration");
} else {
header("Refresh: 0; /register?reason=database");
}
}
} else {
foreach ($_GET as $name => $value) {
echo 'Name: ' . $name . ' Value: ' . $value . '<br />';
}
echo "<form method='post' action='register'>
<p>Name: <input type='text' name='name'></p>
<p>pswd: <input type='password' name='pswd'></p>
<p>2ndpsdw: <input type='password' name='2ndpswd'></p>
<p>key: <input type='text' name='key'></p>
<p>email: <input type='text' name='email'></p>
<p><input type='submit'></p>
</form>
";
}
exit;
}
/* --PAGE NOT FOUND - 404 -- */
function get_404(){
echo "Sorry, page not found. <br>";
select();
exit;
}
function select(){
$i = 0;
foreach ($_GET as $name => $value) { //value leer?
$args[$i] = $name;
echo 'Name: ' . $name . ' Value: ' . $value . '<br />';
$i++;
}
echo "Presented by func select()!";
}
|
