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Revision 1474

Added by DarkViper almost 13 years ago

for security reasons the 'remember me' functionality is deaktivated in class login
'Get configuration values' is optimized

View differences:

class.login.php
32 32
		global $MESSAGE, $database;
33 33
		parent::__construct();
34 34
		// Get configuration values
35
		$this->USERS_TABLE = $config_array['USERS_TABLE'];
36
		$this->GROUPS_TABLE = $config_array['GROUPS_TABLE'];
37
		$this->username_fieldname = $config_array['USERNAME_FIELDNAME'];
38
		$this->password_fieldname = $config_array['PASSWORD_FIELDNAME'];
39
		$this->remember_me_option = $config_array['REMEMBER_ME_OPTION'];
40
		$this->max_attemps = $config_array['MAX_ATTEMPS'];
41
		$this->warning_url = $config_array['WARNING_URL'];
42
		$this->login_url = $config_array['LOGIN_URL'];
43
		$this->template_dir = $config_array['TEMPLATE_DIR'];
44
		$this->template_file = $config_array['TEMPLATE_FILE'];
45
		$this->frontend = $config_array['FRONTEND'];
46
		$this->forgotten_details_app = $config_array['FORGOTTEN_DETAILS_APP'];
47
		$this->max_username_len = $config_array['MAX_USERNAME_LEN'];
48
		$this->max_password_len = $config_array['MAX_PASSWORD_LEN'];
49
		if (array_key_exists('REDIRECT_URL',$config_array))
50
			$this->redirect_url = $config_array['REDIRECT_URL'];
51
		else
52
			$this->redirect_url = '';
35
		while(list($key, $value) = each($config_array)) {
36
			$this->{(strtolower($key))} = $value;
37
		}
38
		if(!isset($this->redirect_url)) { $this->redirect_url = ''; }
53 39
		// Get the supplied username and password
54 40
		if ($this->get_post('username_fieldname') != ''){
55 41
			$username_fieldname = $this->get_post('username_fieldname');
......
88 74
			// User has been "remembered"
89 75
			// Get the users password
90 76
			// $database = new database();
91
			$query_details = $database->query("SELECT * FROM ".$this->USERS_TABLE." WHERE user_id = '".$this->get_safe_remember_key()."' LIMIT 1");
77
			$query_details = $database->query("SELECT * FROM ".$this->users_table." WHERE user_id = '".$this->get_safe_remember_key()."' LIMIT 1");
92 78
			$fetch_details = $query_details->fetchRow();
93 79
			$this->username = $fetch_details['username'];
94 80
			$this->password = $fetch_details['password'];
......
142 128
		global $database;
143 129
		// Get user information
144 130
		// $database = new database();
145
		// $query = 'SELECT * FROM `'.$this->USERS_TABLE.'` WHERE MD5(`username`) = "'.md5($this->username).'" AND `password` = "'.$this->password.'" AND `active` = 1';
131
		// $query = 'SELECT * FROM `'.$this->users_table.'` WHERE MD5(`username`) = "'.md5($this->username).'" AND `password` = "'.$this->password.'" AND `active` = 1';
146 132
 		$loginname = ( preg_match('/[\;\=\&\|\<\> ]/',$this->username) ? '' : $this->username );
147
		$query = 'SELECT * FROM `'.$this->USERS_TABLE.'` WHERE `username` = "'.$loginname.'" AND `password` = "'.$this->password.'" AND `active` = 1';
133
		$query = 'SELECT * FROM `'.$this->users_table.'` WHERE `username` = "'.$loginname.'" AND `password` = "'.$this->password.'" AND `active` = 1';
148 134
		$results = $database->query($query);
149 135
		$results_array = $results->fetchRow();
150 136
		$num_rows = $results->numRows();
......
197 183
			$first_group = true;
198 184
			foreach (explode(",", $this->get_session('GROUPS_ID')) as $cur_group_id)
199 185
            {
200
				$query = "SELECT * FROM ".$this->GROUPS_TABLE." WHERE group_id = '".$cur_group_id."'";
186
				$query = "SELECT * FROM ".$this->groups_table." WHERE group_id = '".$cur_group_id."'";
201 187
				$results = $database->query($query);
202 188
				$results_array = $results->fetchRow();
203 189
				$_SESSION['GROUP_NAME'][$cur_group_id] = $results_array['name'];
......
227 213
			// Update the users table with current ip and timestamp
228 214
			$get_ts = time();
229 215
			$get_ip = $_SERVER['REMOTE_ADDR'];
230
			$query = "UPDATE ".$this->USERS_TABLE." SET login_when = '$get_ts', login_ip = '$get_ip' WHERE user_id = '$user_id'";
216
			$query = "UPDATE ".$this->users_table." SET login_when = '$get_ts', login_ip = '$get_ip' WHERE user_id = '$user_id'";
231 217
			$database->query($query);
232 218
		}else {
233 219
		  $num_rows = 0;
......
248 234
	
249 235
	// Function to set a "remembering" cookie for the user
250 236
	function remember($user_id) {
251
		global $database;
252
		$remember_key = '';
253
		// Generate user id to append to the remember key
254
		$length = 11-strlen($user_id);
255
		if($length > 0) {
256
			for($i = 1; $i <= $length; $i++) {
257
				$remember_key .= '0';
258
			}
259
		}
260
		// Generate remember key
261
		$remember_key .= $user_id.'_';
262
		$salt = "abchefghjkmnpqrstuvwxyz0123456789";
263
		srand((double)microtime()*1000000);
264
		$i = 0;
265
		while ($i <= 10) {
266
			$num = rand() % 33;
267
			$tmp = substr($salt, $num, 1);
268
			$remember_key = $remember_key . $tmp;
269
			$i++;
270
		}
271
		$remember_key = $remember_key;
272
		// Update the remember key in the db
273
		// $database = new database();
274
		$database->query("UPDATE ".$this->USERS_TABLE." SET remember_key = '$remember_key' WHERE user_id = '$user_id' LIMIT 1");
275
		if($database->is_error()) {
276
			return false;
277
		} else {
278
			// Workout options for the cookie
279
			$cookie_name = 'REMEMBER_KEY';
280
			$cookie_value = $remember_key;
281
			$cookie_expire = time()+60*60*24*30;
282
			// Set the cookie
283
			if(setcookie($cookie_name, $cookie_value, $cookie_expire, '/')) {
284
				return true;
285
			} else {
286
				return false;
287
			}
288
		}
237
		return true;
238
//		global $database;
239
//		$remember_key = '';
240
//		// Generate user id to append to the remember key
241
//		$length = 11-strlen($user_id);
242
//		if($length > 0) {
243
//			for($i = 1; $i <= $length; $i++) {
244
//				$remember_key .= '0';
245
//			}
246
//		}
247
//		// Generate remember key
248
//		$remember_key .= $user_id.'_';
249
//		$salt = "abchefghjkmnpqrstuvwxyz0123456789";
250
//		srand((double)microtime()*1000000);
251
//		$i = 0;
252
//		while ($i <= 10) {
253
//			$num = rand() % 33;
254
//			$tmp = substr($salt, $num, 1);
255
//			$remember_key = $remember_key . $tmp;
256
//			$i++;
257
//		}
258
//		$remember_key = $remember_key;
259
//		// Update the remember key in the db
260
//		// $database = new database();
261
//		$database->query("UPDATE ".$this->users_table." SET remember_key = '$remember_key' WHERE user_id = '$user_id' LIMIT 1");
262
//		if($database->is_error()) {
263
//			return false;
264
//		} else {
265
//			// Workout options for the cookie
266
//			$cookie_name = 'REMEMBER_KEY';
267
//			$cookie_value = $remember_key;
268
//			$cookie_expire = time()+60*60*24*30;
269
//			// Set the cookie
270
//			if(setcookie($cookie_name, $cookie_value, $cookie_expire, '/')) {
271
//				return true;
272
//			} else {
273
//				return false;
274
//			}
275
//		}
289 276
	}
290 277
	
291 278
	// Function to check if a user has been remembered
292 279
	function is_remembered()
293 280
	{
294
		global $database;
295
		// add if get_safe_remember_key not empty
296
		if(isset($_COOKIE['REMEMBER_KEY']) && ($_COOKIE['REMEMBER_KEY'] != '') && ($this->get_safe_remember_key() <> '' ) )
297
		{
298
			// Check if the remember key is correct
299
			// $database = new database();
300
			$sql = "SELECT `user_id` FROM `" . $this->USERS_TABLE . "` WHERE `remember_key` = '";
301
			$sql .= $this->get_safe_remember_key() . "' LIMIT 1";
302
			$check_query = $database->query($sql);
303

  
304
			if($check_query->numRows() > 0)
305
			{
306
				$check_fetch = $check_query->fetchRow();
307
				$user_id = $check_fetch['user_id'];
308
				// Check the remember key prefix
309
				$remember_key_prefix = '';
310
				$length = 11-strlen($user_id);
311
				if($length > 0)
312
				{
313
					for($i = 1; $i <= $length; $i++)
314
					{
315
						$remember_key_prefix .= '0';
316
					}
317
				}
318
				$remember_key_prefix .= $user_id.'_';
319
				$length = strlen($remember_key_prefix);
320
				if(substr($_COOKIE['REMEMBER_KEY'], 0, $length) == $remember_key_prefix)
321
				{
322
					return true;
323
				} else {
324
					return false;
325
				}
326
			} else {
327
				return false;
328
			}
329
		} else {
330
			return false;
331
		}
281
		return false;
282
//		global $database;
283
//		// add if get_safe_remember_key not empty
284
//		if(isset($_COOKIE['REMEMBER_KEY']) && ($_COOKIE['REMEMBER_KEY'] != '') && ($this->get_safe_remember_key() <> '' ) )
285
//		{
286
//			// Check if the remember key is correct
287
//			// $database = new database();
288
//			$sql = "SELECT `user_id` FROM `" . $this->users_table . "` WHERE `remember_key` = '";
289
//			$sql .= $this->get_safe_remember_key() . "' LIMIT 1";
290
//			$check_query = $database->query($sql);
291
//
292
//			if($check_query->numRows() > 0)
293
//			{
294
//				$check_fetch = $check_query->fetchRow();
295
//				$user_id = $check_fetch['user_id'];
296
//				// Check the remember key prefix
297
//				$remember_key_prefix = '';
298
//				$length = 11-strlen($user_id);
299
//				if($length > 0)
300
//				{
301
//					for($i = 1; $i <= $length; $i++)
302
//					{
303
//						$remember_key_prefix .= '0';
304
//					}
305
//				}
306
//				$remember_key_prefix .= $user_id.'_';
307
//				$length = strlen($remember_key_prefix);
308
//				if(substr($_COOKIE['REMEMBER_KEY'], 0, $length) == $remember_key_prefix)
309
//				{
310
//					return true;
311
//				} else {
312
//					return false;
313
//				}
314
//			} else {
315
//				return false;
316
//			}
317
//		} else {
318
//			return false;
319
//		}
332 320
	}
333 321

  
334 322
	// Display the login screen
......
353 341
				$template->set_var('DISPLAY_REMEMBER_ME', '');
354 342
			}
355 343
			$template->set_var(array(
356
											'ACTION_URL' => $this->login_url,
357
											'ATTEMPS' => $this->get_session('ATTEMPS'),
358
											'USERNAME' => $this->username,
359
											'USERNAME_FIELDNAME' => $this->username_fieldname,
360
											'PASSWORD_FIELDNAME' => $this->password_fieldname,
361
											'MESSAGE' => $this->message,
362
											'INTERFACE_DIR_URL' =>  ADMIN_URL.'/interface',
363
											'MAX_USERNAME_LEN' => $this->max_username_len,
364
											'MAX_PASSWORD_LEN' => $this->max_password_len,
365
											'WB_URL' => WB_URL,
366
											'THEME_URL' => THEME_URL,
367
                                            'VERSION' => VERSION,
368
                                            'REVISION' => REVISION,
369
											'LANGUAGE' => strtolower(LANGUAGE),
370
											'FORGOTTEN_DETAILS_APP' => $this->forgotten_details_app,
371
											'TEXT_FORGOTTEN_DETAILS' => $TEXT['FORGOTTEN_DETAILS'],
372
											'TEXT_USERNAME' => $TEXT['USERNAME'],
373
											'TEXT_PASSWORD' => $TEXT['PASSWORD'],
374
											'TEXT_REMEMBER_ME' => $TEXT['REMEMBER_ME'],
375
											'TEXT_LOGIN' => $TEXT['LOGIN'],
376
											'TEXT_HOME' => $TEXT['HOME'],
377
											'PAGES_DIRECTORY' => PAGES_DIRECTORY,
378
											'SECTION_LOGIN' => $MENU['LOGIN']
379
											)
380
									);
344
				'ACTION_URL' => $this->login_url,
345
				'ATTEMPS' => $this->get_session('ATTEMPS'),
346
				'USERNAME' => $this->username,
347
				'USERNAME_FIELDNAME' => $this->username_fieldname,
348
				'PASSWORD_FIELDNAME' => $this->password_fieldname,
349
				'MESSAGE' => $this->message,
350
				'INTERFACE_DIR_URL' =>  ADMIN_URL.'/interface',
351
				'MAX_USERNAME_LEN' => $this->max_username_len,
352
				'MAX_PASSWORD_LEN' => $this->max_password_len,
353
				'WB_URL' => WB_URL,
354
				'THEME_URL' => THEME_URL,
355
				'VERSION' => VERSION,
356
				'REVISION' => REVISION,
357
				'LANGUAGE' => strtolower(LANGUAGE),
358
				'FORGOTTEN_DETAILS_APP' => $this->forgotten_details_app,
359
				'TEXT_FORGOTTEN_DETAILS' => $TEXT['FORGOTTEN_DETAILS'],
360
				'TEXT_USERNAME' => $TEXT['USERNAME'],
361
				'TEXT_PASSWORD' => $TEXT['PASSWORD'],
362
				'TEXT_REMEMBER_ME' => $TEXT['REMEMBER_ME'],
363
				'TEXT_LOGIN' => $TEXT['LOGIN'],
364
				'TEXT_HOME' => $TEXT['HOME'],
365
				'PAGES_DIRECTORY' => PAGES_DIRECTORY,
366
				'SECTION_LOGIN' => $MENU['LOGIN']
367
				)
368
			);
381 369
			if(defined('DEFAULT_CHARSET')) {
382 370
				$charset=DEFAULT_CHARSET;
383 371
			} else {

Also available in: Unified diff