saml_idp: cleanup urls, codex -> utils, remove registry

passbook/saml_idp/forms.py

@@ -3,6 +3,7 @@
 from django import forms
 
 from passbook.saml_idp.models import SAMLProvider, get_provider_choices
+from passbook.saml_idp.utils import CertificateBuilder
 
 
 class SAMLProviderForm(forms.ModelForm):
@@ -10,6 +11,13 @@ class SAMLProviderForm(forms.ModelForm):
 
     processor_path = forms.ChoiceField(choices=get_provider_choices(), label='Processor')
 
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        builder = CertificateBuilder()
+        builder.build()
+        self.fields['signing_cert'].initial = builder.certificate
+        self.fields['signing_key'].initial = builder.private_key
+
     class Meta:
 
         model = SAMLProvider