Login form on Magento Home Page


Copyright note: I copied this from somewhere mainly so I would have a record of the content, if your the original author then sorry. This is not tested on any recent release of Magento (but is on my todo list with a more recent version).

This article suggests a method of securing a Magento Web site with a forced login page, odd to say the least but I’m sure there is an application for it somewhere, normally I would lock away a “special” page, maybe on a sub-domain. It uses some frowned upon techniques so I suggest that any base or default pages are NOT MODIFIED but copied into a design package structure and then altered so the hierarchy logic will use your new page and leave the old page intact.

1. Home Page modifications

Open the file <magento-base>/app/design/frontend/default/default/layout/cms.xml and locate and replace the above lines with following lines:

<reference name=”content”>
<block type=”cms/page” name=”cms_page”/>
</reference>

and replace the above lines with following lines:

<reference name=”content”>
<block type=”customer/form_login” name=”customer_form_login” template=”customer/form/login.phtml”/>
<block type=”cms/page” name=”cms_page”/>
</reference>

2. Enforce a Login Page

There are times when you want all or part of your Magento online store to only be visible to customers who are logged in to the website. Once such example is a “wholesale” website where only approved wholesale users should be able to view products and checkout. This functionality is not built in to Magento, but it’s a just a few simple little code hacks away. First we need to create a redirect .phtml template file.  First, create a small file in the /template/page/html directory of your active theme. Call it something like auth-redirect.phtml.

The contents need to be:

<?php
Mage::getSingleton('customer/session')->setBeforeAuthUrl($this->getRequest()->getRequestUri());
if(!Mage::getSingleton('customer/session')->isLoggedIn())
{
header("Status: 301");
header('Location: '.Mage::helper('core/url')->getHomeUrl(customer/account/login));
exit;
}
?>

Right now the 301 redirects to the login page, but it could be the homepage or somewhere else as well. The first line ensures that after logging in, the user is redirected to the page they first tried to access. Removing that line means the user gets redirected to their Account page after logging in, I believe.

3. Edit page.xml

Now we want to make the redirect code in auth-redirect.phtml available to all of the page templates on our website. In layout/page.xml in your active theme, add the following line of code:

<block type="page/html" name="auth-redirect" as="auth-redirect" template="page/html/auth-redirect.phtml"/>

Insert this as the first item under the “root” Block (i.e. <block type=”page/html” name=”root” output=”toHtml”>)

4. Edit page layout templates

Now that the redirect code in auth-redirect.phtml is available, we need to include it in all of the page templates. The “page templates” I’m referring to, in the page directory of your theme, are:

  • 1column.phtml
  • 2columns-left.phtml
  • 2columns-right.phtml
  • 3columns.phtml
  • etc etc

Insert the following line into all of them, at the top of the file just after the “<?php” tag.

echo $this->getChildHtml('auth-redirect')

This ensures that the redirect is included before any of the page HTML renders.

5. Add exceptions for public pages

Finally, we need to add “exceptions” – public pages like the “login” page which don’t need to be protected. On a site that is only accessible to logged in users, the login page needs to be public. To enable the login page, go to layout/customer.xml and add the following to the <customer_account_login> block:

<remove name="auth-redirect" />

If you want users to be able to create an account, another good one to make public might be <customer_account_create> in layout/customer.xml.

If you want to make the home (front) page public, add the “remove” code to the <cms_index_index> block in layout/page.xml.

You can also add this code to the custom “Layout Update XML” on any category, product or CMS page to make them public.

Final Notes

That’s it. Now, if you want to protect just certain parts of a Magento store, or control access based on user Roles, you will have to get a little fancier. I’m not covering that here, but…

One way to do that might be to NOT add the auth-redirect block to the master page.xml (and then do exceptions), but instead to only place it on certain pages like the Cart and Checkout (so the catalog is visible, but you can’t purchase without logging in).

Alternatively, you can control access by placing the conditional with:

<?php Mage::getSingleton('customer/session')->isLoggedIn() ?>

right in specific PHP of pages you want to protect. Some folks check for specific pages by URL using $_SERVER['REQUEST_URI'] with this technique. There’s more on this in the Magento forums here.

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