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import re
from functools import partial
from typing import ClassVar, Dict
from django import forms
from django.db import models
from django.shortcuts import get_object_or_404, redirect
from django.utils.decorators import method_decorator
from django.views.generic import FormView, RedirectView, TemplateView
from core.models import Config
from users.decorators import identity_required
from users.models import Domain
@method_decorator(identity_required, name="dispatch")
class SystemSettingsRoot(RedirectView):
url = "/settings/system/basic/"
@method_decorator(identity_required, name="dispatch")
class SystemSettingsPage(FormView):
"""
Shows a settings page dynamically created from our settings layout
at the bottom of the page. Don't add this to a URL directly - subclass!
"""
template_name = "settings/settings_system.html"
options_class = Config.SystemOptions
section: ClassVar[str]
options: Dict[str, Dict[str, str]]
extra_context = {"top_section": "settings_system"}
def get_form_class(self):
# Create the fields dict from the config object
fields = {}
for key, details in self.options.items():
config_field = self.options_class.__fields__[key]
if config_field.type_ is bool:
form_field = partial(
forms.BooleanField,
widget=forms.Select(
choices=[(True, "Enabled"), (False, "Disabled")]
),
)
elif config_field.type_ is str:
form_field = forms.CharField
else:
raise ValueError(f"Cannot render settings type {config_field.type_}")
fields[key] = form_field(
label=details["title"],
help_text=details.get("help_text", ""),
required=details.get("required", False),
)
# Create a form class dynamically (yeah, right?) and return that
return type("SettingsForm", (forms.Form,), fields)
def load_config(self):
return Config.load_system()
def save_config(self, key, value):
Config.set_system(key, value)
def get_initial(self):
config = self.load_config()
initial = {}
for key in self.options.keys():
initial[key] = getattr(config, key)
return initial
def get_context_data(self):
context = super().get_context_data()
context["section"] = self.section
return context
def form_valid(self, form):
# Save each key
for field in form:
self.save_config(
field.name,
form.cleaned_data[field.name],
)
return redirect(".")
class BasicPage(SystemSettingsPage):
section = "basic"
options = {
"site_name": {
"title": "Site Name",
"help_text": "Shown in the top-left of the page, and titles",
},
"highlight_color": {
"title": "Highlight Color",
"help_text": "Used for logo background and other highlights",
},
}
class DomainsPage(TemplateView):
template_name = "settings/settings_system_domains.html"
def get_context_data(self):
return {
"domains": Domain.objects.filter(local=True).order_by("domain"),
"section": "domains",
}
class DomainCreatePage(FormView):
template_name = "settings/settings_system_domain_create.html"
extra_context = {"section": "domains"}
class form_class(forms.Form):
domain = forms.CharField(
help_text="The domain displayed as part of a user's identity.\nCannot be changed after the domain has been created.",
)
service_domain = forms.CharField(
help_text="Optional - a domain that serves Takahē if it is not running on the main domain.\nCannot be changed after the domain has been created.",
required=False,
)
public = forms.BooleanField(
help_text="If any user on this server can create identities here",
widget=forms.Select(choices=[(True, "Public"), (False, "Private")]),
required=False,
)
domain_regex = re.compile(
r"^((?!-))(xn--)?[a-z0-9][a-z0-9-_]{0,61}[a-z0-9]{0,1}\.(xn--)?([a-z0-9\-]{1,61}|[a-z0-9-]{1,30}\.[a-z]{2,})$"
)
def clean_domain(self):
if not self.domain_regex.match(self.cleaned_data["domain"]):
raise forms.ValidationError("This does not look like a domain name")
if Domain.objects.filter(
models.Q(domain=self.cleaned_data["domain"])
| models.Q(service_domain=self.cleaned_data["domain"])
):
raise forms.ValidationError("This domain name is already in use")
return self.cleaned_data["domain"]
def clean_service_domain(self):
if not self.cleaned_data["service_domain"]:
return None
if not self.domain_regex.match(self.cleaned_data["service_domain"]):
raise forms.ValidationError("This does not look like a domain name")
if Domain.objects.filter(
models.Q(domain=self.cleaned_data["service_domain"])
| models.Q(service_domain=self.cleaned_data["service_domain"])
):
raise forms.ValidationError("This domain name is already in use")
if self.cleaned_data.get("domain") == self.cleaned_data["service_domain"]:
raise forms.ValidationError(
"You cannot have the domain and service domain be the same (did you mean to leave service domain blank?)"
)
return self.cleaned_data["service_domain"]
def form_valid(self, form):
Domain.objects.create(
domain=form.cleaned_data["domain"],
service_domain=form.cleaned_data["service_domain"] or None,
public=form.cleaned_data["public"],
local=True,
)
return redirect(Domain.urls.root)
class DomainEditPage(FormView):
template_name = "settings/settings_system_domain_edit.html"
extra_context = {"section": "domains"}
class form_class(forms.Form):
domain = forms.CharField(
help_text="The domain displayed as part of a user's identity.\nCannot be changed after the domain has been created.",
disabled=True,
)
service_domain = forms.CharField(
help_text="Optional - a domain that serves Takahē if it is not running on the main domain.\nCannot be changed after the domain has been created.",
disabled=True,
required=False,
)
public = forms.BooleanField(
help_text="If any user on this server can create identities here",
widget=forms.Select(choices=[(True, "Public"), (False, "Private")]),
required=False,
)
def dispatch(self, request, domain):
self.domain = get_object_or_404(
Domain.objects.filter(local=True), domain=domain
)
return super().dispatch(request)
def get_context_data(self):
context = super().get_context_data()
context["domain"] = self.domain
return context
def form_valid(self, form):
self.domain.public = form.cleaned_data["public"]
self.domain.save()
return redirect(Domain.urls.root)
def get_initial(self):
return {
"domain": self.domain.domain,
"service_domain": self.domain.service_domain,
"public": self.domain.public,
}
class DomainDeletePage(TemplateView):
template_name = "settings/settings_system_domain_delete.html"
def dispatch(self, request, domain):
self.domain = get_object_or_404(
Domain.objects.filter(public=True), domain=domain
)
return super().dispatch(request)
def get_context_data(self):
return {
"domain": self.domain,
"num_identities": self.domain.identities.count(),
"section": "domains",
}
def post(self, request):
if self.domain.identities.exists():
raise ValueError("Tried to delete domain with identities!")
self.domain.delete()
return redirect("/settings/system/domains/")
|
