plugins/sql_auth/sql_auth.php

   1 <?php
   2
   3 require_once "SQL/sql.php";
   4 require_once "SQL/settings.php";
   5
   6 class sql_auth
   7 {
   8         public $name = "SQLAuth";
   9         public $author = "Valware";
  10         public $version = "1.0";
  11         public $description = "Provides a User Auth and Management Panel with an SQL backend";
  12
  13         function __construct()
  14         {
  15                 self::create_tables();
  16                 Hook::func(HOOKTYPE_PRE_HEADER, 'sql_auth::session_start');
  17                 Hook::func(HOOKTYPE_FOOTER, 'sql_auth::add_footer_info');
  18                 Hook::func(HOOKTYPE_USER_LOOKUP, 'sql_auth::get_user');
  19                 Hook::func(HOOKTYPE_USERMETA_ADD, 'sql_auth::add_usermeta');
  20                 Hook::func(HOOKTYPE_USERMETA_DEL, 'sql_auth::del_usermeta');
  21                 Hook::func(HOOKTYPE_USERMETA_GET, 'sql_auth::get_usermeta');
  22                 Hook::func(HOOKTYPE_USER_CREATE, 'sql_auth::user_create');
  23                 Hook::func(HOOKTYPE_GET_USER_LIST, 'sql_auth::get_user_list');
  24                 Hook::func(HOOKTYPE_USER_DELETE, 'sql_auth::user_delete');
  25
  26                 if (defined('SQL_DEFAULT_USER')) // we've got a default account
  27                 {
  28                         $lkup = new PanelUser(SQL_DEFAULT_USER['username']);
  29
  30                         if (!$lkup->id) // doesn't exist, add it with full privileges
  31                         {
  32                                 $user = [];
  33                                 $user['user_name'] = SQL_DEFAULT_USER['username'];
  34                                 $user['user_pass'] = SQL_DEFAULT_USER['password'];
  35                                 $user['err'] = "";
  36                                 create_new_user($user);
  37                         }
  38                 }
  39         }
  40
  41
  42         public static function add_footer_info($empty)
  43         {
  44                 if (!($user = unreal_get_current_user()))
  45                         return;
  46
  47                 else {
  48                         echo "<code>Admin Panel v" . WEBPANEL_VERSION . "</code>";
  49                 }
  50         }
  51
  52         /* pre-Header hook */
  53         public static function session_start($n)
  54         {
  55                 if (!isset($_SESSION))
  56                 {
  57                         session_set_cookie_params(3600);
  58                         session_start();
  59                 }
  60                 do_log($_SESSION);
  61                 if (!isset($_SESSION['id']) || empty($_SESSION))
  62                 {
  63                         $secure = ($_SERVER['HTTPS'] == 'on') ? "https://" : "http://";
  64                         $current_url = "$secure$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
  65                         $tok = split($_SERVER['SCRIPT_FILENAME'], "/");
  66                         if ($check = security_check() && $tok[count($tok) - 1] !== "error.php") {
  67                                 header("Location: " . BASE_URL . "plugins/sql_auth/error.php");
  68                                 die();
  69                         }
  70                         header("Location: ".BASE_URL."login/?redirect=".urlencode($current_url));
  71                         die();
  72                 }
  73                 else
  74                 {
  75                         if (!unreal_get_current_user()->id) // user no longer exists
  76                         {
  77                                 session_destroy();
  78                                 header("Location: ".BASE_URL."login");
  79                                 die();
  80                         }
  81                         // you'll be automatically logged out after one hour of inactivity
  82                 }
  83         }
  84
  85         /**
  86          * Create the tables we'll be using in the SQLdb
  87          * @return void
  88          */
  89         public static function create_tables()
  90         {
  91                 $conn = sqlnew();
  92                 $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "users (
  93                         user_id int AUTO_INCREMENT NOT NULL,
  94                         user_name VARCHAR(255) NOT NULL,
  95                         user_pass VARCHAR(255) NOT NULL,
  96
  97                         user_fname VARCHAR(255),
  98                         user_lname VARCHAR(255),
  99                         user_bio VARCHAR(255),
 100                         created VARCHAR(255),
 101                         PRIMARY KEY (user_id)
 102                 )");
 103                 $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "user_meta (
 104                         meta_id int AUTO_INCREMENT NOT NULL,
 105                         user_id int NOT NULL,
 106                         meta_key VARCHAR(255) NOT NULL,
 107                         meta_value VARCHAR(255),
 108                         PRIMARY KEY (meta_id)
 109                 )");
 110                 $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "auth_settings (
 111                         id int AUTO_INCREMENT NOT NULL,
 112                         setting_key VARCHAR(255) NOT NULL,
 113                         setting_value VARCHAR(255),
 114                         PRIMARY KEY (id)
 115                 )");
 116                 $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "fail2ban (
 117                         id int AUTO_INCREMENT NOT NULL,
 118                         ip VARCHAR(255) NOT NULL,
 119                         count VARCHAR(255),
 120                         PRIMARY KEY (id)
 121                 )");
 122                 new AuthSettings();
 123         }
 124
 125         /* We convert $u with a full user as an object ;D*/
 126         public static function get_user(&$u)
 127         {
 128                 $id = $u['id'];
 129                 $name = $u['name'];
 130                 $conn = sqlnew();
 131
 132                 if ($id)
 133                 {
 134                         $prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE user_id = :id LIMIT 1");
 135                         $prep->execute(["id" => strtolower($id)]);
 136                 }
 137                 elseif ($name)
 138                 {
 139                         $prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE LOWER(user_name) = :name LIMIT 1");
 140                         $prep->execute(["name" => strtolower($name)]);
 141                 }
 142                 $data = NULL;
 143                 $obj = (object) [];
 144                 if ($prep)
 145                         $data = $prep->fetchAll();
 146                 if (isset($data[0]) && $data = $data[0])
 147                 {
 148                         $obj->id = $data['user_id'];
 149                         $obj->username = $data['user_name'];
 150                         $obj->passhash = $data['user_pass'];
 151                         $obj->first_name = $data['user_fname'] ?? NULL;
 152                         $obj->last_name = $data['user_lname'] ?? NULL;
 153                         $obj->created = $data['created'];
 154                         $obj->bio = $data['user_bio'];
 155                         $obj->user_meta = (new PanelUser_Meta($obj->id))->list;
 156                 }
 157                 $u['object'] = $obj;
 158         }
 159
 160         public static function get_usermeta(&$u)
 161         {
 162                 //do_log($u);
 163                 $list = &$u['meta'];
 164                 $id = $u['id'];
 165                 $conn = sqlnew();
 166                 if (isset($id))
 167                 {
 168                         $prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id");
 169                         $prep->execute(["id" => $id]);
 170                 }
 171                 foreach ($prep->fetchAll() as $row)
 172                 {
 173                         $list[$row['meta_key']] = $row['meta_value'];
 174                 }
 175         }
 176
 177         public static function add_usermeta(&$meta)
 178         {
 179                 $meta = $meta['meta'];
 180                 $conn = sqlnew();
 181                 /* check if it exists first, update it if it does */
 182                 $query = "SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key";
 183                 $stmt = $conn->prepare($query);
 184                 $stmt->execute(["id" => $meta['id'], "key" => $meta['key']]);
 185                 if ($stmt->rowCount()) // it exists, update instead of insert
 186                 {
 187                         $query = "UPDATE " . SQL_PREFIX . "user_meta SET meta_value = :value WHERE user_id = :id AND meta_key = :key";
 188                         $stmt = $conn->prepare($query);
 189                         $stmt->execute($meta);
 190                         if ($stmt->rowCount())
 191                                 return true;
 192                         return false;
 193                 }
 194
 195                 else
 196                 {
 197                         $query = "INSERT INTO " . SQL_PREFIX . "user_meta (user_id, meta_key, meta_value) VALUES (:id, :key, :value)";
 198                         $stmt = $conn->prepare($query);
 199                         $stmt->execute($meta);
 200                         if ($stmt->rowCount())
 201                                 return true;
 202                         return false;
 203                 }
 204         }
 205         public static function del_usermeta(&$u)
 206         {
 207                 $conn = sqlnew();
 208                 $query = "DELETE FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key";
 209                 $stmt = $conn->prepare($query);
 210                 $stmt->execute($u['meta']);
 211                 if ($stmt->rowCount())
 212                         return true;
 213                 return false;
 214         }
 215         public static function user_create(&$u)
 216         {
 217                 $username = $u['user_name'];
 218                 $first_name = $u['fname'];
 219                 $last_name = $u['lname'];
 220                 $password = $u['user_pass'];
 221                 $user_bio = $u['user_bio'];
 222                 $conn = sqlnew();
 223                 $prep = $conn->prepare("INSERT INTO " . SQL_PREFIX . "users (user_name, user_pass, user_fname, user_lname, user_bio, created) VALUES (:name, :pass, :fname, :lname, :user_bio, :created)");
 224                 $prep->execute(["name" => $username, "pass" => $password, "fname" => $first_name, "lname" => $last_name, "user_bio" => $user_bio, "created" => date("Y-m-d H:i:s")]);
 225                 if ($prep->rowCount())
 226                         $u['success'] = true;
 227                 else
 228                         $u['errmsg'][] = "Could not add user";
 229         }
 230
 231         public static function get_user_list(&$list)
 232         {
 233                 $conn = sqlnew();
 234                 $result = $conn->query("SELECT user_id FROM " . SQL_PREFIX . "users");
 235                 if (!$result) // impossible
 236                 {
 237                         die("Something went wrong.");
 238                 }
 239                 $userlist = [];
 240                 while($row =  $result->fetch())
 241                 {
 242                         $userlist[] = new PanelUser(NULL, $row['user_id']);
 243                 }
 244                 if (!empty($userlist))
 245                         $list = $userlist;
 246
 247         }
 248         public static function user_delete(&$u)
 249         {
 250                 $user = $u['user'];
 251                 $query = "DELETE FROM " . SQL_PREFIX . "users WHERE user_id = :id";
 252                 $conn = sqlnew();
 253                 $stmt = $conn->prepare($query);
 254                 $stmt->execute(["id" => $user->id]);
 255                 $deleted = $stmt->rowCount();
 256                 if ($deleted)
 257                 {
 258                         $u['info'][] = "Successfully deleted user \"$user->username\"";
 259                         $u['boolint'] =  1;
 260                 } else {
 261                         $u['info'][] = "Unknown error";
 262                         $u['boolint'] = 0;
 263                 }
 264         }
 265 }
 266
 267
 268 function security_check()
 269 {
 270         $ip = $_SERVER['REMOTE_ADDR'];
 271         if (dnsbl_check($ip))
 272                 return true;
 273
 274         else if (fail2ban_check($ip))
 275         {
 276
 277         }
 278 }
 279
 280 function dnsbl_check($ip)
 281 {
 282         $dnsbl_lookup = DNSBL;
 283
 284         // clear variable just in case
 285         $listed = NULL;
 286
 287         // if the IP was not given because you're an idiot, stop processing
 288         if (!$ip) { return; }
 289
 290         // get the first two segments of the IPv4
 291         $because = split($ip, ".");   // why you
 292         $you = $because[1];               // gotta play
 293         $want = $because[2];             // that song
 294         $to = $you.".".$want.".";       // so loud?
 295
 296         // exempt local connections because sometimes they get a false positive
 297         if ($to == "192.168." || $to == "127.0.") { return NULL; }
 298
 299         // you spin my IP right round, right round, to check the records baby, right round-round-round
 300         $reverse_ip = glue(array_reverse(split($ip, ".")), ".");
 301
 302         // checkem
 303         foreach ($dnsbl_lookup as $host) {
 304
 305                 //if it was listed
 306                 if (checkdnsrr($reverse_ip . "." . $host . ".", "A")) {
 307
 308                         //take note
 309                         $listed = $host;
 310                 }
 311         }
 312
 313         // if it was safe, return NOTHING
 314         if (!$listed) {
 315                 return NULL;
 316         }
 317
 318         // else, you guessed it, return where it was listed
 319         else {
 320                 return $listed;
 321         }
 322 }
 323
 324 function fail2ban_check($ip)
 325 {
 326
 327 }