svthalia/concrexit

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website/members/management/commands/createmember.py

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import getpass
import os
import sys

from django.contrib.auth.management import get_default_username
from django.contrib.auth.management.commands.createsuperuser import PASSWORD_FIELD
from django.contrib.auth.management.commands.createsuperuser import (
    Command as OriginalCommand,
)
from django.contrib.auth.management.commands.createsuperuser import (
    NotRunningInTTYException,
)
from django.contrib.auth.password_validation import validate_password
from django.core import exceptions
from django.core.management.base import CommandError
from django.utils import timezone
from django.utils.text import capfirst

from members.models.membership import Membership
from members.models.profile import Profile


class Command(OriginalCommand):
    # Copied from django/contrib/auth/management/commands/createsuperuser.py
    def handle(self, *args, **options):
        username = options[self.UserModel.USERNAME_FIELD]
        database = options["database"]
        user_data = {}
        verbose_field_name = self.username_field.verbose_name
        try:
            self.UserModel._meta.get_field(PASSWORD_FIELD)
        except exceptions.FieldDoesNotExist:
            pass
        else:
            # If not provided, create the user with an unusable password.
            user_data[PASSWORD_FIELD] = None
        try:
            if options["interactive"]:
                # Same as user_data but without many to many fields and with
                # foreign keys as fake model instances instead of raw IDs.
                fake_user_data = {}
                if hasattr(self.stdin, "isatty") and not self.stdin.isatty():
                    raise NotRunningInTTYException
                default_username = get_default_username(database=database)
                if username:
                    error_msg = self._validate_username(
                        username, verbose_field_name, database
                    )
                    if error_msg:
                        self.stderr.write(error_msg)
                        username = None
                elif username == "":
                    raise CommandError(
                        "%s cannot be blank." % capfirst(verbose_field_name)
                    )
                # Prompt for username.
                while username is None:
                    message = self._get_input_message(
                        self.username_field, default_username
                    )
                    username = self.get_input_data(
                        self.username_field, message, default_username
                    )
                    if username:
                        error_msg = self._validate_username(
                            username, verbose_field_name, database
                        )
                        if error_msg:
                            self.stderr.write(error_msg)
                            username = None
                            continue
                user_data[self.UserModel.USERNAME_FIELD] = username
                fake_user_data[self.UserModel.USERNAME_FIELD] = (
                    self.username_field.remote_field.model(username)
                    if self.username_field.remote_field
                    else username
                )
                # Prompt for required fields.
                for field_name in self.UserModel.REQUIRED_FIELDS:
                    field = self.UserModel._meta.get_field(field_name)
                    user_data[field_name] = options[field_name]
                    if user_data[field_name] is not None:
                        user_data[field_name] = field.clean(user_data[field_name], None)
                    while user_data[field_name] is None:
                        message = self._get_input_message(field)
                        input_value = self.get_input_data(field, message)
                        user_data[field_name] = input_value
                        if field.many_to_many and input_value:
                            if not input_value.strip():
                                user_data[field_name] = None
                                self.stderr.write("Error: This field cannot be blank.")
                                continue
                            user_data[field_name] = [
                                pk.strip() for pk in input_value.split(",")
                            ]

                    if not field.many_to_many:
                        fake_user_data[field_name] = user_data[field_name]
                    # Wrap any foreign keys in fake model instances.
                    if field.many_to_one:
                        fake_user_data[field_name] = field.remote_field.model(
                            user_data[field_name]
                        )

                # Prompt for a password if the model has one.
                while PASSWORD_FIELD in user_data and user_data[PASSWORD_FIELD] is None:
                    password = getpass.getpass()
                    password2 = getpass.getpass("Password (again): ")
                    if password != password2:
                        self.stderr.write("Error: Your passwords didn't match.")
                        # Don't validate passwords that don't match.
                        continue
                    if password.strip() == "":
                        self.stderr.write("Error: Blank passwords aren't allowed.")
                        # Don't validate blank passwords.
                        continue
                    try:
                        validate_password(password2, self.UserModel(**fake_user_data))
                    except exceptions.ValidationError as err:
                        self.stderr.write("\n".join(err.messages))
                        response = input(
                            "Bypass password validation and create user anyway? [y/N]: "
                        )
                        if response.lower() != "y":
                            continue
                    user_data[PASSWORD_FIELD] = password
            else:
                # Non-interactive mode.
                # Use password from environment variable, if provided.
                if (
                    PASSWORD_FIELD in user_data
                    and "DJANGO_SUPERUSER_PASSWORD" in os.environ
                ):
                    user_data[PASSWORD_FIELD] = os.environ["DJANGO_SUPERUSER_PASSWORD"]
                # Use username from environment variable, if not provided in
                # options.
                if username is None:
                    username = os.environ.get(
                        "DJANGO_SUPERUSER_" + self.UserModel.USERNAME_FIELD.upper()
                    )
                if username is None:
                    raise CommandError(
                        "You must use --%s with --noinput."
                        % self.UserModel.USERNAME_FIELD
                    )
                else:
                    error_msg = self._validate_username(
                        username, verbose_field_name, database
                    )
                    if error_msg:
                        raise CommandError(error_msg)

                user_data[self.UserModel.USERNAME_FIELD] = username
                for field_name in self.UserModel.REQUIRED_FIELDS:
                    env_var = "DJANGO_SUPERUSER_" + field_name.upper()
                    value = options[field_name] or os.environ.get(env_var)
                    if not value:
                        raise CommandError(
                            "You must use --%s with --noinput." % field_name
                        )
                    field = self.UserModel._meta.get_field(field_name)
                    user_data[field_name] = field.clean(value, None)
                    if field.many_to_many and isinstance(user_data[field_name], str):
                        user_data[field_name] = [
                            pk.strip() for pk in user_data[field_name].split(",")
                        ]

            user = self.UserModel._default_manager.db_manager(
                database
            ).create_superuser(**user_data)
            # Changed from django/contrib/auth/management/commands/createsuperuser.py
            Profile.objects.create(user=user)
            Membership.objects.create(
                user=user, type=Membership.MEMBER, since=timezone.now()
            )

            if options["verbosity"] >= 1:
                self.stdout.write("Member created successfully.")
        except KeyboardInterrupt:
            self.stderr.write("\nOperation cancelled.")
            sys.exit(1)
        except exceptions.ValidationError as e:
            raise CommandError("; ".join(e.messages))
        except NotRunningInTTYException:
            self.stdout.write(
                "Member creation skipped due to not running in a TTY. "
                "You can run `manage.py createmember` in your project "
                "to create one manually."
            )