Log-in/out through AJAX

[berechar]

Hi all,

A question regarding security/best-practice concerning a simple front-end login through AJAX calls. My plan is to use this kind of module inside a small AngularJS architecture to update the entire application when someone is logged in/out.

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I've made a simple HTML form in which the user can login by typing his/her username and password in the corresponding fields. After submitting the form, these values are fetched with jQuery. Then an Ajax GET request is made with these values to a page which has access to the Processwire API. This page checks if these values (after sanitization) correspond to an existing user in the CMS.

If the user and password matches, the user is logged in, and a success message is being returned.

If the user and password mismatches, an error message is being returned.

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I don't know much about encryption, therefore I highly doubt if this a 'safe' way of doing things. Hopefully someone can give me some pointers on this!

best,

berechar