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_OVERVIEW_CARD, 'sql_auth::add_overview_card');
  18                 Hook::func(HOOKTYPE_FOOTER, 'sql_auth::add_footer_info');
  19                 Hook::func(HOOKTYPE_USER_LOOKUP, 'sql_auth::get_user');
  20                 Hook::func(HOOKTYPE_USERMETA_ADD, 'sql_auth::add_usermeta');
  21                 Hook::func(HOOKTYPE_USERMETA_DEL, 'sql_auth::del_usermeta');
  22                 Hook::func(HOOKTYPE_USERMETA_GET, 'sql_auth::get_usermeta');
  23                 Hook::func(HOOKTYPE_USER_CREATE, 'sql_auth::user_create');
  24                 Hook::func(HOOKTYPE_GET_USER_LIST, 'sql_auth::get_user_list');
  25                 Hook::func(HOOKTYPE_USER_DELETE, 'sql_auth::user_delete');
  26
  27                 if (defined('SQL_DEFAULT_USER')) // we've got a default account
  28                 {
  29                         $lkup = new PanelUser(SQL_DEFAULT_USER['username']);
  30
  31                         if (!$lkup->id) // doesn't exist, add it with full privileges
  32                         {
  33                                 $user = [];
  34                                 $user['user_name'] = SQL_DEFAULT_USER['username'];
  35                                 $user['user_pass'] = SQL_DEFAULT_USER['password'];
  36                                 $user['err'] = "";
  37                                 create_new_user($user);
  38                         }
  39                 }
  40         }
  41
  42
  43         public static function add_footer_info($empty)
  44         {
  45                 if (!($user = unreal_get_current_user()))
  46                         return;
  47
  48                 else {
  49                         echo "<code>Admin Panel v" . WEBPANEL_VERSION . "</code>";
  50                 }
  51         }
  52
  53         /* pre-Header hook */
  54         public static function session_start($n)
  55         {
  56                 if (!isset($_SESSION))
  57                 {
  58                         session_set_cookie_params(3600);
  59                         session_start();
  60                 }
  61                 do_log($_SESSION);
  62                 if (!isset($_SESSION['id']) || empty($_SESSION))
  63                 {
  64                         $secure = ($_SERVER['HTTPS'] == 'on') ? "https://" : "http://";
  65                         $current_url = "$secure$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
  66                         $tok = split($_SERVER['SCRIPT_FILENAME'], "/");
  67                         if ($check = security_check() && $tok[count($tok) - 1] !== "error.php") {
  68                                 header("Location: " . BASE_URL . "plugins/sql_auth/error.php");
  69                                 die();
  70                         }
  71                         header("Location: ".BASE_URL."login/?redirect=".urlencode($current_url));
  72                         die();
  73                 }
  74                 else
  75                 {
  76                         if (!unreal_get_current_user()->id) // user no longer exists
  77                         {
  78                                 session_destroy();
  79                                 header("Location: ".BASE_URL."login");
  80                                 die();
  81                         }
  82                         // you'll be automatically logged out after one hour of inactivity
  83                 }
  84         }
  85
  86         /**
  87          * Create the tables we'll be using in the SQLdb
  88          * @return void
  89          */
  90         public static function create_tables()
  91         {
  92                 $conn = sqlnew();
  93                 $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "users (
  94                         user_id int AUTO_INCREMENT NOT NULL,
  95                         user_name VARCHAR(255) NOT NULL,
  96                         user_pass VARCHAR(255) NOT NULL,
  97
  98                         user_fname VARCHAR(255),
  99                         user_lname VARCHAR(255),
 100                         user_bio VARCHAR(255),
 101                         created VARCHAR(255),
 102                         PRIMARY KEY (user_id)
 103                 )");
 104                 $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "user_meta (
 105                         meta_id int AUTO_INCREMENT NOT NULL,
 106                         user_id int NOT NULL,
 107                         meta_key VARCHAR(255) NOT NULL,
 108                         meta_value VARCHAR(255),
 109                         PRIMARY KEY (meta_id)
 110                 )");
 111                 $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "auth_settings (
 112                         id int AUTO_INCREMENT NOT NULL,
 113                         setting_key VARCHAR(255) NOT NULL,
 114                         setting_value VARCHAR(255),
 115                         PRIMARY KEY (id)
 116                 )");
 117                 $conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "fail2ban (
 118                         id int AUTO_INCREMENT NOT NULL,
 119                         ip VARCHAR(255) NOT NULL,
 120                         count VARCHAR(255),
 121                         PRIMARY KEY (id)
 122                 )");
 123                 new AuthSettings();
 124         }
 125
 126         /**
 127          * Summary of add_overview_card
 128          * @param mixed $stats
 129          * @return void
 130          */
 131         public static function add_overview_card(object &$stats) : void
 132         {
 133                 $num_of_panel_admins = sqlnew()->query("SELECT COUNT(*) FROM " . SQL_PREFIX . "users")->fetchColumn();
 134                 ?>
 135
 136                 <div class="container mt-5">
 137
 138                         <div class="row">
 139                                 <div class="col-sm-3">
 140                                         <div class="card text-center">
 141                                                 <div class="card-header bg-success text-white">
 142                                                         <div class="row">
 143                                                                 <div class="col">
 144                                                                         <i class="fa fa-lock-open fa-3x"></i>
 145                                                                 </div>
 146                                                                 <div class="col">
 147                                                                         <h3 class="display-4"><?php echo $num_of_panel_admins; ?></h3>
 148                                                                 </div>
 149                                                         </div>
 150                                                 </div>
 151                                                 <div class="card-body">
 152                                                         <div class="row">
 153                                                                 <div class="col">
 154                                                                         <h6>Panel Users</h6>
 155                                                                 </div>
 156                                                                 <div class="col"> <a class="btn btn-primary" href="<?php echo BASE_URL; ?>plugins/sql_auth/">View</a></div>
 157                                                         </div>
 158                                                 </div>
 159                                         </div>
 160                                 </div>
 161                         </div>
 162                 </div>
 163                 <?php
 164         }
 165
 166         /* We convert $u with a full user as an object ;D*/
 167         public static function get_user(&$u)
 168         {
 169                 $id = $u['id'];
 170                 $name = $u['name'];
 171                 $conn = sqlnew();
 172
 173                 if ($id)
 174                 {
 175                         $prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE user_id = :id LIMIT 1");
 176                         $prep->execute(["id" => strtolower($id)]);
 177                 }
 178                 elseif ($name)
 179                 {
 180                         $prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE LOWER(user_name) = :name LIMIT 1");
 181                         $prep->execute(["name" => strtolower($name)]);
 182                 }
 183                 $data = NULL;
 184                 $obj = (object) [];
 185                 if ($prep)
 186                         $data = $prep->fetchAll();
 187                 if (isset($data[0]) && $data = $data[0])
 188                 {
 189                         $obj->id = $data['user_id'];
 190                         $obj->username = $data['user_name'];
 191                         $obj->passhash = $data['user_pass'];
 192                         $obj->first_name = $data['user_fname'] ?? NULL;
 193                         $obj->last_name = $data['user_lname'] ?? NULL;
 194                         $obj->created = $data['created'];
 195                         $obj->bio = $data['user_bio'];
 196                         $obj->user_meta = (new PanelUser_Meta($obj->id))->list;
 197                 }
 198                 $u['object'] = $obj;
 199         }
 200
 201         public static function get_usermeta(&$u)
 202         {
 203                 //do_log($u);
 204                 $list = &$u['meta'];
 205                 $id = $u['id'];
 206                 $conn = sqlnew();
 207                 if (isset($id))
 208                 {
 209                         $prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id");
 210                         $prep->execute(["id" => $id]);
 211                 }
 212                 foreach ($prep->fetchAll() as $row)
 213                 {
 214                         $list[$row['meta_key']] = $row['meta_value'];
 215                 }
 216         }
 217
 218         public static function add_usermeta(&$meta)
 219         {
 220                 $meta = $meta['meta'];
 221                 $conn = sqlnew();
 222                 /* check if it exists first, update it if it does */
 223                 $query = "SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key";
 224                 $stmt = $conn->prepare($query);
 225                 $stmt->execute(["id" => $meta['id'], "key" => $meta['key']]);
 226                 if ($stmt->rowCount()) // it exists, update instead of insert
 227                 {
 228                         $query = "UPDATE " . SQL_PREFIX . "user_meta SET meta_value = :value WHERE user_id = :id AND meta_key = :key";
 229                         $stmt = $conn->prepare($query);
 230                         $stmt->execute($meta);
 231                         if ($stmt->rowCount())
 232                                 return true;
 233                         return false;
 234                 }
 235
 236                 else
 237                 {
 238                         $query = "INSERT INTO " . SQL_PREFIX . "user_meta (user_id, meta_key, meta_value) VALUES (:id, :key, :value)";
 239                         $stmt = $conn->prepare($query);
 240                         $stmt->execute($meta);
 241                         if ($stmt->rowCount())
 242                                 return true;
 243                         return false;
 244                 }
 245         }
 246         public static function del_usermeta(&$u)
 247         {
 248                 $conn = sqlnew();
 249                 $query = "DELETE FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key";
 250                 $stmt = $conn->prepare($query);
 251                 $stmt->execute($u['meta']);
 252                 if ($stmt->rowCount())
 253                         return true;
 254                 return false;
 255         }
 256         public static function user_create(&$u)
 257         {
 258                 $username = $u['user_name'];
 259                 $first_name = $u['fname'];
 260                 $last_name = $u['lname'];
 261                 $password = $u['user_pass'];
 262                 $user_bio = $u['user_bio'];
 263                 $conn = sqlnew();
 264                 $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)");
 265                 $prep->execute(["name" => $username, "pass" => $password, "fname" => $first_name, "lname" => $last_name, "user_bio" => $user_bio, "created" => date("Y-m-d H:i:s")]);
 266                 if ($prep->rowCount())
 267                         $u['success'] = true;
 268                 else
 269                         $u['errmsg'][] = "Could not add user";
 270         }
 271
 272         public static function get_user_list(&$list)
 273         {
 274                 $conn = sqlnew();
 275                 $result = $conn->query("SELECT user_id FROM " . SQL_PREFIX . "users");
 276                 if (!$result) // impossible
 277                 {
 278                         die("Something went wrong.");
 279                 }
 280                 $userlist = [];
 281                 while($row =  $result->fetch())
 282                 {
 283                         $userlist[] = new PanelUser(NULL, $row['user_id']);
 284                 }
 285                 if (!empty($userlist))
 286                         $list = $userlist;
 287
 288         }
 289         public static function user_delete(&$u)
 290         {
 291                 $user = $u['user'];
 292                 $query = "DELETE FROM " . SQL_PREFIX . "users WHERE user_id = :id";
 293                 $conn = sqlnew();
 294                 $stmt = $conn->prepare($query);
 295                 $stmt->execute(["id" => $user->id]);
 296                 $deleted = $stmt->rowCount();
 297                 if ($deleted)
 298                 {
 299                         $u['info'][] = "Successfully deleted user \"$user->username\"";
 300                         $u['boolint'] =  1;
 301                 } else {
 302                         $u['info'][] = "Unknown error";
 303                         $u['boolint'] = 0;
 304                 }
 305         }
 306 }
 307
 308
 309 function security_check()
 310 {
 311         $ip = $_SERVER['REMOTE_ADDR'];
 312         if (dnsbl_check($ip))
 313                 return true;
 314
 315         else if (fail2ban_check($ip))
 316         {
 317
 318         }
 319 }
 320
 321 function dnsbl_check($ip)
 322 {
 323         $dnsbl_lookup = DNSBL;
 324
 325         // clear variable just in case
 326         $listed = NULL;
 327
 328         // if the IP was not given because you're an idiot, stop processing
 329         if (!$ip) { return; }
 330
 331         // get the first two segments of the IPv4
 332         $because = split($ip, ".");   // why you
 333         $you = $because[1];               // gotta play
 334         $want = $because[2];             // that song
 335         $to = $you.".".$want.".";       // so loud?
 336
 337         // exempt local connections because sometimes they get a false positive
 338         if ($to == "192.168." || $to == "127.0.") { return NULL; }
 339
 340         // you spin my IP right round, right round, to check the records baby, right round-round-round
 341         $reverse_ip = glue(array_reverse(split($ip, ".")), ".");
 342
 343         // checkem
 344         foreach ($dnsbl_lookup as $host) {
 345
 346                 //if it was listed
 347                 if (checkdnsrr($reverse_ip . "." . $host . ".", "A")) {
 348
 349                         //take note
 350                         $listed = $host;
 351                 }
 352         }
 353
 354         // if it was safe, return NOTHING
 355         if (!$listed) {
 356                 return NULL;
 357         }
 358
 359         // else, you guessed it, return where it was listed
 360         else {
 361                 return $listed;
 362         }
 363 }
 364
 365 function fail2ban_check($ip)
 366 {
 367
 368 }