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POWhat is the best practice for restricting specific pages to logged in users only in Codeigniter?
 

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  1. POWhat is the best practice for restricting specific pages to logged in users only in Codeigniter?
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    <p>I have created a sign-up and login for my website and all validation works fine for both sign-up and login. After user provides valid credentials he/she is logged into the member area with a welcome message that says Hello first_name last_name.. basically first name and last name is grabbed from database.</p> <p>Any what I want to do is restrict the member area to only logged in users. Anyone else will be redirected to homepage or login page or where ever I decide they should be redirected to.</p> <p>I use ci_sessions which are stored in a table "ci_sessions" in my database. Session_id, ip_address, user_agent, last_activity and user_data are the columns. So I guess that's some form form of security rather than have a cookie stored on the users browser alone there is more.</p> <p>Anyway right now to stop anyone else apart from logged in users to access my website member area e.g. <a href="http://mysite.com/member_area" rel="nofollow">http://mysite.com/member_area</a> I use a simple if statement in my controller for the member area: </p> <pre><code>if (! $this-&gt;session-&gt;userdata('first_name')) { redirect('login'); } </code></pre> <p>This checks to see whether the person who is attempting to access the member area page has some kind of data stored in user_data in my ci_sessions table such as a first_name and if so allows them to access the page meaning they must have logged in and still have an active session.</p> <p>If nothing is found in the database they are redirected to the websites login page. What i want to know is if there is a better way of doing this? Is the way I'm doing it now secure enough?</p> <p>Below is my model code:</p> <pre><code>&lt;?php class Current_User { private static $user; private function __construct() {} public static function user() { if(!isset(self::$user)) { $CI =&amp; get_instance(); $CI-&gt;load-&gt;library('session'); if (!$user_id = $CI-&gt;session-&gt;userdata('user_id')) { return FALSE; } if (!$u = Doctrine::getTable('User')-&gt;find($user_id)) { return FALSE; } self::$user = $u; } return self::$user; } public static function login($email, $password) { // get User object by email if ($u = Doctrine::getTable('User')-&gt;findOneByEmail($email)) { // to ge the mutated version of the input password $u_input = new User(); $u_input-&gt;password = $password; // password match if ($u-&gt;password == $u_input-&gt;password) { $CI =&amp; get_instance(); $CI-&gt;load-&gt;library('session'); $CI-&gt;session-&gt;set_userdata('user_id',$u-&gt;id); $CI-&gt;session-&gt;set_userdata('username',$u-&gt;username); $CI-&gt;session-&gt;set_userdata('first_name',$u-&gt;first_name); $CI-&gt;session-&gt;set_userdata('last_name',$u-&gt;last_name); self::$user = $u; return TRUE; } unset($u_input); } // login failed return FALSE; } public function __clone() { trigger_error('No duplicates allowed.', E_USER_ERROR); } } </code></pre> <p>All your advice is appreciated.</p> <p>UPDATE</p> <p>How about adding this to my model</p> <pre><code>$CI-&gt;session-&gt;set_userdata('logged_in', 'TRUE'); </code></pre> <p>This basically adds "logged_in" to my user data in session in DB with the value "TRUE". in my controller for my "member area" I have edited the if statement to say this:</p> <pre><code>if (! $this-&gt;session-&gt;userdata('logged_in')==TRUE) { redirect('login'); </code></pre> <p>}</p> <p>If the item doesn't exist "which it won't if a user isn't logged in" then FALSE will be returned and user will be redirected to login page</p> <p>What do you think?</p> <p>or I could even make TRUE something secret like dsb453rerfksdhbdsks322 for example. Something random.</p>
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