Login form but need a check done

**Lindsey** · September 10, 2009

Hello,

Right, so what I'm trying todo is have http://mysite.com/index.php as my main site splash page. Now on that splash page I have a login form. (Code is below.) What I need down is to hook it into a forum so it validates the login or not.

But if the login is incorrect it will go back to http://mysite.com/index.php?act=loginfailed

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
	<title><?php echo $_SERVER["HTTP_HOST"] ; ?> :: Log In</title>
	<style type='text/css' media='all'>
		@import url('http://<?php echo $_SERVER["HTTP_HOST"] ;?>/main.css');
	</style>	
</head>
<body><p> </p>
	<form id='install-form' action='index.php' method='post'>
	<input type='hidden' name='_sd' value='b%3A0%3B'>
	<div id='ipswrapper'>
	    <div class='main_shell'>
	 	    <div id='navigation'>
				<ul id='section_buttons'>
					<li class='active'><span>Log In</span></li>

				</ul>				</div>
	 	    <div class='content_shell'>
	 	        <div class='package'>
	 	            <div>	            
   		 	        <div class='content_wrap'>
               <div style='clear:both'></div>      
			<h2> This Login system is still in the works.</h2>
			<input type='hidden' name='do' value='login' />
<br />
  <fieldset>
     <legend>Log In</legend>
	<div id='login_controls'>
		<label for='username'>Sign In Name</label>
		<input type='text' size='20' id='username' name='username' value='UserName'>

		<label for='password'>Password</label>
		<input type='password' size='20' id='password' name='password' value='PassWord'>      </div>
 </fieldset>
           		 	        <br />       		      <div style='float: right'>		 
		  <input type='submit' class='nav_button' value='Next >' />			
		   		
</div> 		 	      								
   		 	            </div></div></div></div></div></div></form></body></html>

So in other words,

Fill in login form > Click next > Checks against a forums database if user/pass is valid > If not valid, goes back to index.php and shows an error. > But if valid, goes to a whole different file.

.

**Michael** · September 10, 2009

Have you seen this article here? Should do what you want. I've adapted the code a bit for you. If you need further help integrating with your script let me know.

<?php

/**
* initiate ipb functions
*/
$ipblink = new ipbAuthentication;

/**
 * logging a user in
 */
if(isset($_REQUEST['username']) && isset($_REQUEST['password']))
{
$returnCode = $ipblink->doLogin();

   if( $returnCode == 'SUCCESS' )
   {
   	// login success, redirect.
   }
   else
   {
   	// login faile, display error
   	print $returnCode;
   }
}
else
{
   // no login details provided
}


class ipbAuthentication
{
   /**
    * initialisation function to setup IPSregistry
    */
   protected function init()
   {
       /**
        * Edit this path, to where you have your forum installed.
        */
       $forum_path = 'ipb303';

       /**
       * We will change directories so that proper directory is picked up
       */
       chdir( $forum_path );

       /**
       * Get some basic IPB files
       */
       define( 'IPB_THIS_SCRIPT', 'public' );
       require_once( $forum_path . '\initdata.php' );

       /**
       * Get IPB registry
       */
       require_once( IPS_ROOT_PATH . 'sources/base/ipsRegistry.php' );
       require_once( IPS_ROOT_PATH . 'sources/base/ipsController.php' );

       /**
        * initialise the ipsRegistry
        */
       $this->ipbRegistry    = ipsRegistry::instance();
       $this->ipbRegistry->init();
   }
   /**
    * logs a user in, username and password should be in $_REQUEST['username'] and $_REQUEST['password']
    */
   public function doLogin()
   {
       /**
        * call the initialisation function
        */
       $this->init();

       /**
        * get the IPB login handler wrapper
        */
       require_once( IPS_ROOT_PATH . 'sources/handlers/han_login.php' );

       /**
        * setup the handler class
        */
       $login  = new han_login( $this->ipbRegistry );
       $login->init();

       /**
        * verify the login and do any necessary tasks. form variables must be called 'username' & 'password'
        */
       $login->verifyLogin();

       return $login->return_code;
   }
}
?>

**Lindsey** · September 10, 2009

Never seen that article :).

Kinda confused tho, How would I add this into the html part of things?

<?php

/**
* initiate ipb functions
*/
$ipblink = new ipbAuthentication;

/**
 * logging a user in
 */
if(isset($_REQUEST['username']) && isset($_REQUEST['password']))
{
       $returnCode = $ipblink->doLogin();

   if( $returnCode == 'SUCCESS' )
   {
       // login success, redirect.
   }
   else
   {
       // login faile, display error
       print $returnCode;
   }
}
else
{
  // no login details provided
}


class ipbAuthentication
{
   /**
    * initialisation function to setup IPSregistry
    */
   protected function init()
   {
       /**
        * Edit this path, to where you have your forum installed.
        */
       $forum_path = 'devforums';

       /**
       * We will change directories so that proper directory is picked up
       */
       chdir( $forum_path );

       /**
       * Get some basic IPB files
       */
       define( 'IPB_THIS_SCRIPT', 'public' );
       require_once( $forum_path . '\initdata.php' );

       /**
       * Get IPB registry
       */
       require_once( IPS_ROOT_PATH . 'sources/base/ipsRegistry.php' );
       require_once( IPS_ROOT_PATH . 'sources/base/ipsController.php' );

       /**
        * initialise the ipsRegistry
        */
       $this->ipbRegistry    = ipsRegistry::instance();
       $this->ipbRegistry->init();
   }
   /**
    * logs a user in, username and password should be in $_REQUEST['username'] and $_REQUEST['password']
    */
   public function doLogin()
   {
       /**
        * call the initialisation function
        */
       $this->init();

       /**
        * get the IPB login handler wrapper
        */
       require_once( IPS_ROOT_PATH . 'sources/handlers/han_login.php' );

       /**
        * setup the handler class
        */
       $login  = new han_login( $this->ipbRegistry );
       $login->init();

       /**
        * verify the login and do any necessary tasks. form variables must be called 'username' & 'password'
        */
       $login->verifyLogin();

       return $login->return_code;
   }
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
	<title><?php echo $_SERVER["HTTP_HOST"] ; ?> :: Log In</title>
	<style type='text/css' media='all'>
		@import url('http://<?php echo $_SERVER["HTTP_HOST"] ;?>/main.css');
	</style>	
</head>
<body><p> </p>
	<form id='install-form' action='index.php?action=login&do=submit' method='post'>
	<input type='hidden' name='_sd' value='b%3A0%3B'>
	<div id='ipswrapper'>
	    <div class='main_shell'>
	 	    <div id='navigation'>
				<ul id='section_buttons'>
					<li class='active'><span>Log In</span></li>

				</ul>				</div>
	 	    <div class='content_shell'>
	 	        <div class='package'>
	 	            <div>	            
   		 	        <div class='content_wrap'>
               <div style='clear:both'></div>      
			<h2> This Login system is still in the works.</h2>
			<input type='hidden' name='do' value='login' />
<br />
  <fieldset>
     <legend>Log In</legend>
	<div id='login_controls'>
		<label for='username'>Sign In Name</label>
		<input type='text' size='20' id='username' name='username' value='UserName'>

		<label for='password'>Password</label>
		<input type='password' size='20' id='password' name='password' value='PassWord'>      </div>
 </fieldset>
           		 	        <br />       		      <div style='float: right'>		 
		  <input type='submit' class='nav_button' value='Next >' />			
		   		
</div> 		 	      								
   		 	            </div></div></div></div></div></div></form></body></html>

**Michael** · September 10, 2009

You'll need to change the form to point to the same page, something like this. You could always have the login script on a separate page. Depending on how complex you want this, IPBSDK for IPB3 might be a better option, it would have more functions and probably easier to use.

<?php

/**
* initiate ipb functions
*/
$ipblink = new ipbAuthentication;

/**
 * logging a user in
 */

if( isset($_POST['username']) && isset($_POST['password']) )
{
   $returnCode = $ipblink->doLogin();

   if( $returnCode == 'SUCCESS' )
   {
       // login success, redirect.
       header('Location: http://www.yoursite.com/diff_file.php');
   }
   else
   {
   	print $returnCode;
	exit();	
   }
}

class ipbAuthentication
{
   /**
    * initialisation function to setup IPSregistry
    */
   protected function init()
   {
       /**
        * Edit this path, to where you have your forum installed.
        */
       $forum_path = 'ipb303';

       /**
       * We will change directories so that proper directory is picked up
       */
       chdir( $forum_path );

       /**
       * Get some basic IPB files
       */
       define( 'IPB_THIS_SCRIPT', 'public' );
       require_once( $forum_path . '\initdata.php' );

       /**
       * Get IPB registry
       */
       require_once( IPS_ROOT_PATH . 'sources/base/ipsRegistry.php' );
       require_once( IPS_ROOT_PATH . 'sources/base/ipsController.php' );

       /**
        * initialise the ipsRegistry
        */
       $this->ipbRegistry    = ipsRegistry::instance();
       $this->ipbRegistry->init();
   }
   /**
    * logs a user in, username and password should be in $_REQUEST['username'] and $_REQUEST['password']
    */
   public function doLogin()
   {
       /**
        * call the initialisation function
        */
       $this->init();

       /**
        * get the IPB login handler wrapper
        */
       require_once( IPS_ROOT_PATH . 'sources/handlers/han_login.php' );

       /**
        * setup the handler class
        */
       $login  = new han_login( $this->ipbRegistry );
       $login->init();

       /**
        * verify the login and do any necessary tasks. form variables must be called 'username' & 'password'
        */
       $login->verifyLogin();

       return $login->return_code;
   }
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
       <head>
               <title><?php echo $_SERVER["HTTP_HOST"] ; ?> :: Log In</title>
               <style type='text/css' media='all'>
                       @import url('http://<?php echo $_SERVER["HTTP_HOST"] ;?>/main.css');
               </style>        
       </head>
       <body><p> </p>
               <form id='install-form' action='index.php?action=login&do=submit' method='post'>
               <input type='hidden' name='_sd' value='b%3A0%3B'>
               <div id='ipswrapper'>
                   <div class='main_shell'>
                           <div id='navigation'>
                                       <ul id='section_buttons'>
                                               <li class='active'><span>Log In</span></li>

                                       </ul>                           </div>
                           <div class='content_shell'>
                               <div class='package'>
                                   <div>                   
                               <div class='content_wrap'>
               <div style='clear:both'></div>      
                               <h2> This Login system is still in the works.</h2>
                               <input type='hidden' name='do' value='login' />
       <br />
         <fieldset>
     <legend>Log In</legend>
               <div id='login_controls'>
                       <label for='username'>Sign In Name</label>
                       <input type='text' size='20' id='username' name='username' value='UserName'>

                       <label for='password'>Password</label>
                       <input type='password' size='20' id='password' name='password' value='PassWord'>      </div>
 </fieldset>
                                       <br />                        <div style='float: right'>                 
                         <input type='submit' class='nav_button' value='Next >' />                     

</div>                                                                                         
                                   </div></div></div></div></div></div></form></body></html>

ShaneV · January 8, 2010

Hi, thanks for the example Michael.

I'm looking for something like this for IPB 2.3 can you help me?

**Michael** · January 9, 2010

Hi, thanks for the example Michael.

I'm looking for something like this for IPB 2.3 can you help me?

I'm not aware of any IPB2.3 files that is similar. IPBWI or IPBSDK would probably be your best choice here.

ShaneV · January 11, 2010

I'm not aware of any IPB2.3 files that is similar. IPBWI or IPBSDK would probably be your best choice here.

Thanks for the information :) working fine now.

MPFF · February 5, 2010

(MPFF) External Login System v1.0.0 - Released Very soon and intergratable into any page

ShaneV · February 13, 2010

Sounds interesting MPFF ;)

Any idea when? Maybe its more usefull to me then IPBSDK.

MPFF · February 13, 2010

it will be ready once i finish (MPFF) Virtual Pet System v1.0.0

ShaneV · March 13, 2010

@MPFF, any news yet? :)

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