factors/email(minor): start rebuilding email integration as factor

passbook/factors/email/models.py

@@ -0,0 +1,48 @@
+"""email factor models"""
+from django.core.mail.backends.smtp import EmailBackend
+from django.db import models
+from django.utils.translation import gettext as _
+
+from passbook.core.models import Factor
+
+
+class EmailFactor(Factor):
+    """email factor"""
+
+    host = models.TextField(default='localhost')
+    port = models.IntegerField(default=25)
+    username = models.TextField(default='', blank=True)
+    password = models.TextField(default='', blank=True)
+    use_tls = models.BooleanField(default=False)
+    use_ssl = models.BooleanField(default=False)
+    timeout = models.IntegerField(default=0)
+
+    ssl_keyfile = models.TextField(default=None, blank=True, null=True)
+    ssl_certfile = models.TextField(default=None, blank=True, null=True)
+
+    from_address = models.EmailField(default='system@passbook.local')
+
+    type = 'passbook.factors.email.factor.EmailFactorView'
+    form = 'passbook.factors.email.forms.EmailFactorForm'
+
+    @property
+    def backend(self) -> EmailBackend:
+        """Get fully configured EMail Backend instance"""
+        return EmailBackend(
+            host=self.host,
+            port=self.port,
+            username=self.username,
+            password=self.password,
+            use_tls=self.use_tls,
+            use_ssl=self.use_ssl,
+            timeout=self.timeout,
+            ssl_certfile=self.ssl_certfile,
+            ssl_keyfile=self.ssl_keyfile)
+
+    def __str__(self):
+        return f"Email Factor {self.slug}"
+
+    class Meta:
+
+        verbose_name = _('Email Factor')
+        verbose_name_plural = _('Email Factors')