Re: Encyption/Decryption of Form Fields in CakePHP 3

The answer on that stackoverflow page is for CakePHP 3. Why would you be writing your new app in version 2.x? 

To answer your question, if you are getting a Resource back then you will need to read the contents of that Resource using stream_get_contents()

On Tuesday, 22 September 2015 09:23:50 UTC+2, Paweł B wrote:

Did you solve this problem? It tried http://stackoverflow.com/questions/32260229/encyption-decryption-of-form-fields-in-cakephp-3 but still no luck (return Resource Id #???). New app will be in ver 2.x or in other framework...

W dniu niedziela, 23 sierpnia 2015 23:13:34 UTC+2 użytkownik Alexander Slotty napisał:

Hello,

I was hoping someone could help with my task. It should be "relatively" simple: I want to have some form-fields encrypted when they are added/edited and decrypted when they are looked up by cake.
Here is the code that works for me in v2.7.2:

core.php:

Configure::write('Security.key','secretkey');

app/Model/Patient.php:

public $encryptedFields = array('patient_surname', 'patient_first_name');

public function beforeSave($options = array()) {
    foreach($this->encryptedFields as $fieldName){
        if(!empty($this->data[$this->alias][$fieldName])){
            $this->data[$this->alias][$fieldName] = Security::encrypt(
                $this->data[$this->alias][$fieldName],
                Configure::read('Security.key')
            );
        }
    }
    return true;
}

public function afterFind($results, $primary = false) {

    foreach ($results as $key => $val) {
        foreach($this->encryptedFields as $fieldName) {
            if (@is_array($results[$key][$this->alias])) {
                $results[$key][$this->alias][$fieldName] = Security::decrypt(
                    $results[$key][$this->alias][$fieldName],
                    Configure::read('Security.key')
                );
            }
        }
    }
    return $results;
}

As I understand it I have to replace $this->data[] with the generated entities for the model and the afterFind method with virtual fields, but I just can't put it all together.

Thanks for any pointers

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