Python Django How to Create Hash Fields inside django models.py

Question

I'm working on a Python(3.6) & Django(1.10) project in which I need to save some user credentials of the third party services like username, password, and email, I'm implementing only rest API, so there's no form.py at all. So, How can I make hash fields inside models.py file?

Here's my current models.py:

class DeploymentOnUserModel(models.Model):
    deployment_name = models.CharField(max_length=256, )
    credentials = models.TextField(blank=False)
    project_name = models.CharField(max_length=150, blank=False)
    project_id = models.CharField(max_length=150, blank=True)
    cluster_name = models.CharField(max_length=256, blank=False)
    zone_region = models.CharField(max_length=150, blank=False)
    services = models.CharField(max_length=150, choices=services)
    configuration = models.TextField(blank=False)
    routing = models.TextField(blank=True)

    def save(self, **kwargs):
        if not self.id and self.services == 'Multiple' and not self.routing:
            raise ValidationError("You must have to provide routing for multiple services deployment.")
        super().save(**kwargs)

I want to add three new hash fields like username, password & email.

Help me, please!

Thanks in advance!

neverwalkaloner · Accepted Answer · 2018-08-04 05:50:43Z

10

You can use standard CharField. To store hash value use make_password method before saving:

from django.contrib.auth.hashers import make_password

password = models.CharField(max_length=256)

def save(self, **kwargs):
    some_salt = 'some_salt' 
    password = make_password(self.password, some_salt)
    if not self.id and self.services == 'Multiple' and not self.routing:
        raise ValidationError("You must have to provide routing for multiple services deployment.")
    super().save(**kwargs)

edited Aug 4, 2018 at 5:50

answered Aug 4, 2018 at 5:10

neverwalkaloner

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8 Comments

Abdul Rehman Over a year ago

What kind of salt can I generally use?

Abdul Rehman Over a year ago

and Do I need to call make_password() method for all fields need to hashed like email & username ?

neverwalkaloner Over a year ago

@AbdulRehman if you need this fields to be hashed then yes. As for salt you can actually not provided it to make_password method. In this case Django generate it automatically.

theTypan Over a year ago

Just found how to verify docs.djangoproject.com/en/3.0/topics/auth/passwords/…

Sangeeth Joseph Over a year ago

you can verify using check_password() function imported from django.contrib.auth.hashers module. You don't have to use any salt here if you haven't passed any salt at the make_password() django will use it's salt automatically.

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