80 lines
2.6 KiB
Python
80 lines
2.6 KiB
Python
import hashlib
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from django.db import models
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from django.utils.translation import ugettext_lazy as _
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from orchestra.core import validators, services
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from . import settings
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class Database(models.Model):
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""" Represents a basic database for a web application """
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MYSQL = 'mysql'
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POSTGRESQL = 'postgresql'
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name = models.CharField(_("name"), max_length=64, # MySQL limit
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validators=[validators.validate_name])
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users = models.ManyToManyField('databases.DatabaseUser',
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verbose_name=_("users"),related_name='databases')
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type = models.CharField(_("type"), max_length=32,
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choices=settings.DATABASES_TYPE_CHOICES,
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default=settings.DATABASES_DEFAULT_TYPE)
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account = models.ForeignKey('accounts.Account', verbose_name=_("Account"),
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related_name='databases')
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class Meta:
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unique_together = ('name', 'type')
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def __str__(self):
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return "%s" % self.name
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@property
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def owner(self):
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""" database owner is the first user related to it """
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# Accessing intermediary model to get which is the first user
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users = Database.users.through.objects.filter(database_id=self.id)
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return users.order_by('id').first().databaseuser
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Database.users.through._meta.unique_together = (
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('database', 'databaseuser'),
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)
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class DatabaseUser(models.Model):
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MYSQL = Database.MYSQL
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POSTGRESQL = Database.POSTGRESQL
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username = models.CharField(_("username"), max_length=16, # MySQL usernames 16 char long
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validators=[validators.validate_name])
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password = models.CharField(_("password"), max_length=256)
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type = models.CharField(_("type"), max_length=32,
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choices=settings.DATABASES_TYPE_CHOICES,
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default=settings.DATABASES_DEFAULT_TYPE)
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account = models.ForeignKey('accounts.Account', verbose_name=_("Account"),
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related_name='databaseusers')
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class Meta:
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verbose_name_plural = _("DB users")
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unique_together = ('username', 'type')
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def __str__(self):
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return self.username
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def get_username(self):
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return self.username
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def set_password(self, password):
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if self.type == self.MYSQL:
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# MySQL stores sha1(sha1(password).binary).hex
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binary = hashlib.sha1(password.encode('utf-8')).digest()
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hexdigest = hashlib.sha1(binary).hexdigest()
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self.password = '*%s' % hexdigest.upper()
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else:
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raise TypeError("Database type '%s' not supported" % self.type)
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services.register(Database)
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services.register(DatabaseUser, verbose_name_plural=_("Database users"))
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