IdHub/idhub/admin/forms.py
2024-02-23 19:17:56 +01:00

450 lines
12 KiB
Python

import json
import base64
import jsonschema
import pandas as pd
from nacl.exceptions import CryptoError
from django import forms
from django.core.cache import cache
from django.utils.translation import gettext_lazy as _
from django.core.exceptions import ValidationError
from utils import certs
from idhub.models import (
DID,
File_datas,
Membership,
Schemas,
UserRol,
VerificableCredential,
)
from idhub_auth.models import User
class TermsConditionsForm2(forms.Form):
accept = forms.BooleanField(
label=_("Accept terms and conditions of the service"),
required=False
)
def __init__(self, *args, **kwargs):
self.user = kwargs.pop('user', None)
super().__init__(*args, **kwargs)
def clean(self):
data = self.cleaned_data
if data.get("accept"):
self.user.accept_gdpr = True
else:
self.user.accept_gdpr = False
return data
def save(self, commit=True):
if commit:
self.user.save()
return self.user
return
class EncryptionKeyForm(forms.Form):
key = forms.CharField(
label=_("Key for encrypt the secrets of all system"),
required=True
)
def clean(self):
data = self.cleaned_data
self._key = data["key"]
if not DID.objects.exists():
return data
did = DID.objects.first()
cache.set("KEY_DIDS", self._key, None)
try:
did.get_key_material()
except CryptoError:
cache.set("KEY_DIDS", None)
txt = _("Key no valid!")
raise ValidationError(txt)
cache.set("KEY_DIDS", None)
return data
def save(self, commit=True):
if commit:
cache.set("KEY_DIDS", self._key, None)
if not DID.objects.exists():
did = DID.objects.create(label='Default', type=DID.Types.WEB)
did.set_did()
did.save()
return
class TermsConditionsForm(forms.Form):
accept_privacy = forms.BooleanField(
widget=forms.CheckboxInput(attrs={'class': 'form-check-input'}),
required=False
)
accept_legal = forms.BooleanField(
widget=forms.CheckboxInput(attrs={'class': 'form-check-input'}),
required=False
)
accept_cookies = forms.BooleanField(
widget=forms.CheckboxInput(attrs={'class': 'form-check-input'}),
required=False
)
def __init__(self, *args, **kwargs):
self.user = kwargs.pop('user', None)
super().__init__(*args, **kwargs)
def get_label(self, url, read):
label = _('I read and accepted the')
label += f' <a class="btn btn-green-admin" target="_blank" href="{url}" '
label += f'title="{read}">{read}</a>'
return label
def privacy_label(self):
url = "https://laweb.pangea.org/politica-de-privacitat/"
read = _("Privacy policy")
return self.get_label(url, read)
def legal_label(self):
url = "https://laweb.pangea.org/avis-legal/"
read = _("Legal policy")
return self.get_label(url, read)
def cookies_label(self):
url = "https://laweb.pangea.org/politica-de-cookies-2/"
read = _("Cookies policy")
return self.get_label(url, read)
def clean(self):
data = self.cleaned_data
privacy = data.get("accept_privacy")
legal = data.get("accept_legal")
cookies = data.get("accept_cookies")
if privacy and legal and cookies:
self.user.accept_gdpr = True
else:
self.user.accept_gdpr = False
return data
def save(self, commit=True):
if commit:
self.user.save()
return self.user
return
class ImportForm(forms.Form):
did = forms.ChoiceField(label=_("Did"), choices=[])
eidas1 = forms.ChoiceField(
label=_("Signature with Eidas1"),
choices=[],
required=False
)
schema = forms.ChoiceField(label=_("Schema"), choices=[])
file_import = forms.FileField(label=_("File import"))
def __init__(self, *args, **kwargs):
self._schema = None
self._did = None
self._eidas1 = None
self.rows = {}
self.properties = {}
self.users = []
super().__init__(*args, **kwargs)
dids = DID.objects.filter(user__isnull=True)
self.fields['did'].choices = [
(x.did, x.label) for x in dids.filter(eidas1=False)
]
self.fields['schema'].choices = [(0, _('Select one'))] + [
(x.id, x.name) for x in Schemas.objects.filter()
]
if dids.filter(eidas1=True).exists():
choices = [("", "")]
choices.extend([
(x.did, x.label) for x in dids.filter(eidas1=True)
])
self.fields['eidas1'].choices = choices
else:
self.fields.pop('eidas1')
def clean(self):
data = self.cleaned_data["did"]
did = DID.objects.filter(
user__isnull=True,
did=data
)
if not did.exists():
raise ValidationError("Did is not valid!")
self._did = did.first()
eidas1 = self.cleaned_data.get('eidas1')
if eidas1:
self._eidas1 = DID.objects.filter(
user__isnull=True,
eidas1=True,
did=eidas1
).first()
return data
def clean_schema(self):
data = self.cleaned_data["schema"]
schema = Schemas.objects.filter(
id=data
)
if not schema.exists():
raise ValidationError("Schema is not valid!")
self._schema = schema.first()
try:
self.json_schema = self._schema.get_credential_subject_schema()
except Exception:
raise ValidationError("Schema is not valid!")
return data
def clean_file_import(self):
data = self.cleaned_data["file_import"]
self.file_name = data.name
df = pd.read_excel(data)
# convert dates to iso 8601
for col in df.select_dtypes(include='datetime').columns:
df[col] = df[col].dt.strftime("%Y-%m-%d")
data_pd = df.fillna('').to_dict()
if not data_pd:
self.exception("This file is empty!")
if not self._schema:
return data
for n in range(df.last_valid_index()+1):
row = {}
for k in data_pd.keys():
row[k] = data_pd[k][n] or ''
user = self.validate_jsonld(n, row)
self.rows[user] = row
return data
def save(self, commit=True):
table = []
for k, v in self.rows.items():
table.append(self.create_credential(k, v))
if commit:
for cred in table:
cred.save()
File_datas.objects.create(file_name=self.file_name)
return table
return
def validate_jsonld(self, line, row):
try:
jsonschema.validate(instance=row, schema=self.json_schema)
except jsonschema.exceptions.ValidationError as err:
msg = "line {}: {}".format(line+1, err)
return self.exception(msg)
user, new = User.objects.get_or_create(email=row.get('email'))
if new:
self.users.append(user)
user.set_encrypted_sensitive_data()
user.save()
self.create_defaults_dids(user)
return user
def create_defaults_dids(self, user):
did = DID(label="Default", user=user, type=DID.Types.WEB)
did.set_did()
did.save()
def create_credential(self, user, row):
bcred = VerificableCredential.objects.filter(
user=user,
schema=self._schema,
issuer_did=self._did,
status=VerificableCredential.Status.ENABLED
)
if bcred.exists():
cred = bcred.first()
cred.csv_data = json.dumps(row, default=str)
cred.eidas1_did = self._eidas1
return cred
cred = VerificableCredential(
verified=False,
user=user,
csv_data=json.dumps(row, default=str),
issuer_did=self._did,
schema=self._schema,
eidas1_did=self._eidas1
)
cred.set_type()
return cred
def exception(self, msg):
File_datas.objects.create(file_name=self.file_name, success=False)
raise ValidationError(msg)
class SchemaForm(forms.Form):
file_template = forms.FileField(label=_("File template"))
class MembershipForm(forms.ModelForm):
class Meta:
model = Membership
fields = ['type', 'start_date', 'end_date']
def clean_end_date(self):
data = super().clean()
start_date = data['start_date']
end_date = data.get('end_date')
members = Membership.objects.filter(
type=data['type'],
user=self.instance.user
)
if self.instance.id:
members = members.exclude(id=self.instance.id)
if members.filter(start_date__lte=start_date, end_date=None).exists():
msg = _("This membership already exists!")
raise forms.ValidationError(msg)
if (start_date and end_date):
if start_date > end_date:
msg = _("The end date is less than the start date")
raise forms.ValidationError(msg)
members = members.filter(
start_date__lte=end_date,
end_date__gte=start_date,
)
if members.exists():
msg = _("This membership already exists!")
raise forms.ValidationError(msg)
if not end_date:
members = members.filter(
start_date__gte=start_date,
)
if members.exists():
msg = _("This membership already exists!")
raise forms.ValidationError(msg)
return end_date
class UserRolForm(forms.ModelForm):
class Meta:
model = UserRol
fields = ['service']
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
if not self.instance.id:
user = self.instance.user
choices = self.fields['service'].choices
choices.queryset = choices.queryset.exclude(users__user=user)
self.fields['service'].choices = choices
def clean_service(self):
data = super().clean()
service = UserRol.objects.filter(
service=data['service'],
user=self.instance.user
)
if service.exists():
msg = _("Is not possible to have a duplicate role")
raise forms.ValidationError(msg)
return data['service']
class ImportCertificateForm(forms.Form):
label = forms.CharField(label=_("Label"))
password = forms.CharField(
label=_("Password of certificate"),
widget=forms.PasswordInput
)
file_import = forms.FileField(label=_("File import"))
def __init__(self, *args, **kwargs):
self._did = None
self._s = None
self._label = None
self.user = kwargs.pop('user', None)
super().__init__(*args, **kwargs)
def clean(self):
data = super().clean()
file_import = data.get('file_import')
self.pfx_file = file_import.read()
self.file_name = file_import.name
self._pss = data.get('password')
self._label = data.get('label')
if not self.pfx_file or not self._pss:
msg = _("Is not a valid certificate")
raise forms.ValidationError(msg)
self.signer_init()
if not self._s:
msg = _("Is not a valid certificate")
raise forms.ValidationError(msg)
self.new_did()
return data
def new_did(self):
keys = {
"cert": base64.b64encode(self.pfx_file).decode('utf-8'),
"passphrase": self._pss
}
key_material = json.dumps(keys)
self._did = DID(
key_material=key_material,
did=self.file_name,
label=self._label,
eidas1=True,
user=self.user,
type=DID.Types.KEY
)
self._did.set_key_material(key_material)
def save(self, commit=True):
if commit:
self._did.save()
return self._did
return
def signer_init(self):
self._s = certs.load_cert(
self.pfx_file, self._pss.encode('utf-8')
)