58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
"""passbook Crypto forms"""
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from cryptography.hazmat.backends import default_backend
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from cryptography.hazmat.primitives.serialization import load_pem_private_key
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from cryptography.x509 import load_pem_x509_certificate
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from django import forms
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from django.utils.translation import gettext_lazy as _
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from passbook.crypto.models import CertificateKeyPair
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class CertificateKeyPairForm(forms.ModelForm):
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"""CertificateKeyPair Form"""
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def clean_certificate_data(self):
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"""Verify that input is a valid PEM x509 Certificate"""
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certificate_data = self.cleaned_data["certificate_data"]
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try:
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load_pem_x509_certificate(
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certificate_data.encode("utf-8"), default_backend()
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)
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except ValueError:
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raise forms.ValidationError("Unable to load certificate.")
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return certificate_data
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def clean_key_data(self):
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"""Verify that input is a valid PEM RSA Key"""
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key_data = self.cleaned_data["key_data"]
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# Since this field is optional, data can be empty.
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if key_data == "":
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return key_data
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try:
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load_pem_private_key(
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str.encode("\n".join([x.strip() for x in key_data.split("\n")])),
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password=None,
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backend=default_backend(),
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)
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except ValueError:
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raise forms.ValidationError("Unable to load private key.")
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return key_data
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class Meta:
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model = CertificateKeyPair
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fields = [
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"name",
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"certificate_data",
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"key_data",
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]
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widgets = {
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"name": forms.TextInput(),
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"certificate_data": forms.Textarea(attrs={"class": "monospaced"}),
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"key_data": forms.Textarea(attrs={"class": "monospaced"}),
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}
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labels = {
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"certificate_data": _("Certificate"),
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"key_data": _("Private Key"),
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}
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