93 lines
3.0 KiB
Python
93 lines
3.0 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=128,
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validators=[validators.validate_name])
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users = models.ManyToManyField('databases.DatabaseUser',
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verbose_name=_("users"),
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through='databases.Role', related_name='users')
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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 __unicode__(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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self.users.get(is_owner=True)
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class Role(models.Model):
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database = models.ForeignKey(Database, verbose_name=_("database"),
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related_name='roles')
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user = models.ForeignKey('databases.DatabaseUser', verbose_name=_("user"),
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related_name='roles')
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is_owner = models.BooleanField(_("is owener"), default=False)
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class Meta:
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unique_together = ('database', 'user')
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def __unicode__(self):
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return "%s@%s" % (self.user, self.database)
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def clean(self):
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if self.user.type != self.database.type:
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msg = _("Database and user type doesn't match")
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raise validators.ValidationError(msg)
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class DatabaseUser(models.Model):
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MYSQL = 'mysql'
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POSTGRESQL = 'postgresql'
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username = models.CharField(_("username"), max_length=128,
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validators=[validators.validate_name])
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password = models.CharField(_("password"), max_length=128)
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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 __unicode__(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).digest()
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hexdigest = hashlib.sha1(binary).hexdigest()
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password = '*%s' % hexdigest.upper()
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self.password = password
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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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