mirror of
https://github.com/jwinterm/modoboa.git
synced 2026-10-17 05:41:25 +02:00
694 lines
26 KiB
Python
694 lines
26 KiB
Python
"""Admin API v2 serializers."""
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import ipaddress
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from typing import List
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from django.conf import settings
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from django.core.exceptions import ValidationError
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from django.core import validators as dj_validators
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from django.shortcuts import get_object_or_404
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from django.utils.translation import gettext as _
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from django.contrib.auth import password_validation
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from django.contrib.auth.models import Permission
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from rest_framework import serializers
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from modoboa.admin import signals as admin_signals
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from modoboa.admin.api.v1 import serializers as v1_serializers
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from modoboa.core import models as core_models, signals as core_signals
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from modoboa.lib import email_utils
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from modoboa.lib import exceptions as lib_exceptions
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from modoboa.lib import fields as lib_fields
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from modoboa.lib import validators, web_utils
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from modoboa.lib.sysutils import exec_cmd
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from modoboa.parameters import tools as param_tools
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from modoboa.limits import constants as limits_constants
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from modoboa.limits import models as limits_models
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from modoboa.transport import models as transport_models
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from modoboa.transport.api.v2 import serializers as transport_serializers
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from ... import constants, models
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class CreateDomainAdminSerializer(serializers.Serializer):
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"""Sub serializer for domain administrator creation."""
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username = serializers.CharField()
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password = serializers.CharField(required=False)
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with_mailbox = serializers.BooleanField(default=False)
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with_aliases = serializers.BooleanField(default=False)
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class DomainResourceSerializer(serializers.ModelSerializer):
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"""Serializer for domain resource."""
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class Meta:
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fields = ("name", "label", "max_value", "current_value", "usage")
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model = limits_models.DomainObjectLimit
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class DomainSerializer(v1_serializers.DomainSerializer):
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"""Domain serializer for v2 API."""
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domain_admin = CreateDomainAdminSerializer(required=False, write_only=True)
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transport = transport_serializers.TransportSerializer(required=False)
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class Meta(v1_serializers.DomainSerializer.Meta):
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fields = v1_serializers.DomainSerializer.Meta.fields + (
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"domain_admin",
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"transport",
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"opened_alarms_count",
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)
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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if not param_tools.get_global_parameter("enable_domain_limits", app="limits"):
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return
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self.fields["resources"] = DomainResourceSerializer(
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many=True, source="domainobjectlimit_set", required=False
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)
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def validate(self, data):
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result = super().validate(data)
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dtype = data.get("type", "domain")
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if dtype == "relaydomain" and not data.get("transport"):
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raise serializers.ValidationError(
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{"transport": _("This field is required")}
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)
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return result
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def create(self, validated_data):
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"""Create administrator and other stuff if needed."""
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domain_admin = validated_data.pop("domain_admin", None)
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transport_def = validated_data.pop("transport", None)
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domain = super().create(validated_data)
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if transport_def:
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transport = transport_models.Transport(**transport_def)
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transport.pattern = domain.name
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transport.save()
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domain.transport = transport
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domain.save()
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if not domain_admin:
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return domain
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# 1. Create a domain administrator
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username = "%s@%s" % (domain_admin["username"], domain.name)
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try:
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da = core_models.User.objects.get(username=username)
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except core_models.User.DoesNotExist:
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pass
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else:
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raise lib_exceptions.Conflict(_("User '%s' already exists") % username)
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user = self.context["request"].user
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core_signals.can_create_object.send(
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self.__class__, context=user, klass=models.Mailbox
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)
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da = core_models.User(username=username, email=username, is_active=True)
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password = domain_admin.get("password")
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if password is None:
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password = param_tools.get_global_parameter("default_password", app="core")
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da.set_password(password)
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da.save()
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da.role = "DomainAdmins"
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da.post_create(user)
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# 2. Create mailbox if needed
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if domain_admin["with_mailbox"]:
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dom_admin_username = domain_admin["username"]
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mb = models.Mailbox(
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address=dom_admin_username,
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domain=domain,
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user=da,
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use_domain_quota=True,
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)
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mb.set_quota(override_rules=user.has_perm("admin.change_domain"))
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mb.save(creator=user)
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# 3. Create aliases if needed
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condition = (
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domain.type == "domain"
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and domain_admin["with_aliases"]
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and dom_admin_username != "postmaster"
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)
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if condition:
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core_signals.can_create_object.send(
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self.__class__, context=user, klass=models.Alias
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)
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address = f"postmaster@{domain.name}"
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alias = models.Alias.objects.create(
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address=address, domain=domain, enabled=True
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)
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alias.set_recipients([mb.full_address])
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alias.post_create(user)
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domain.add_admin(da)
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return domain
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def update(self, instance, validated_data):
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"""Update domain and create/update transport."""
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transport_def = validated_data.pop("transport", None)
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resources = validated_data.pop("domainobjectlimit_set", None)
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super().update(instance, validated_data)
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if transport_def and instance.type == "relaydomain":
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transport = getattr(instance, "transport", None)
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created = False
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if transport:
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for key, value in transport_def.items():
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setattr(instance, key, value)
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transport._settings = transport_def["_settings"]
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else:
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transport = transport_models.Transport(**transport_def)
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created = True
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transport.pattern = instance.name
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transport.save()
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if created:
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instance.transport = transport
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instance.save()
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if resources:
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for resource in resources:
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instance.domainobjectlimit_set.filter(name=resource["name"]).update(
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max_value=resource["max_value"]
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)
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return instance
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class DeleteDomainSerializer(serializers.Serializer):
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"""Serializer used with delete operation."""
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keep_folder = serializers.BooleanField(default=False)
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class AdminGlobalParametersSerializer(serializers.Serializer):
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"""A serializer for global parameters."""
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# Domain settings
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enable_mx_checks = serializers.BooleanField(default=True)
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valid_mxs = serializers.CharField(allow_blank=True)
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domains_must_have_authorized_mx = serializers.BooleanField(default=False)
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enable_ipv6_mx_checks = serializers.BooleanField(default=True)
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enable_spf_checks = serializers.BooleanField(default=True)
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enable_dkim_checks = serializers.BooleanField(default=True)
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enable_dmarc_checks = serializers.BooleanField(default=True)
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enable_autoconfig_checks = serializers.BooleanField(default=True)
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custom_dns_server = serializers.IPAddressField(allow_blank=True)
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enable_dnsbl_checks = serializers.BooleanField(default=True)
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dkim_keys_storage_dir = serializers.CharField(allow_blank=True)
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dkim_default_key_length = serializers.ChoiceField(
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default=2048, choices=constants.DKIM_KEY_LENGTHS
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)
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default_domain_quota = serializers.IntegerField(default=0)
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default_domain_message_limit = serializers.IntegerField(
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required=False, allow_null=True
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)
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# Mailboxes settings
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handle_mailboxes = serializers.BooleanField(default=False)
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default_mailbox_quota = serializers.IntegerField(default=0)
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default_mailbox_message_limit = serializers.IntegerField(
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required=False, allow_null=True
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)
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auto_account_removal = serializers.BooleanField(default=False)
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auto_create_domain_and_mailbox = serializers.BooleanField(default=True)
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create_alias_on_mbox_rename = serializers.BooleanField(default=False)
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def validate_default_domain_quota(self, value):
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"""Ensure quota is a positive integer."""
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if value < 0:
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raise serializers.ValidationError(_("Must be a positive integer"))
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return value
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def validate_default_mailbox_quota(self, value):
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"""Ensure quota is a positive integer."""
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if value < 0:
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raise serializers.ValidationError(_("Must be a positive integer"))
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return value
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def validate_dkim_keys_storage_dir(self, value):
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"""Check that directory exists."""
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if value:
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code, output = exec_cmd("which openssl")
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if code:
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raise serializers.ValidationError(
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_("openssl not found, please make sure it is installed.")
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)
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return value
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def validate_valid_mxs(self, value):
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"""Make sure it only contains IP addresses."""
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if not value:
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return value
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try:
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[ipaddress.ip_network(v.strip()) for v in value.split() if v.strip()]
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except ValueError:
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raise serializers.ValidationError(
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_("This field only allows valid IP addresses (or networks)")
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)
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return value
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def validate_auto_create_domain_and_mailbox(self, value):
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"""
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Make sure the option does not get deactivated
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while imap migration is enabled.
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"""
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if not value and param_tools.get_global_parameter(
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"enabled_imapmigration", "imap_migration"
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):
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raise serializers.ValidationError(
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_("Please disable imap migration before disabling this option.")
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)
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return value
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def validate(self, data):
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"""Check MX options."""
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condition = (
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data.get("enable_mx_checks")
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and data.get("domains_must_have_authorized_mx")
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and not data.get("valid_mxs")
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)
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if condition:
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raise serializers.ValidationError(
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{"valid_mxs": _("Define at least one authorized network / address")}
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)
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if not data.get("enable_mx_checks"):
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data["enable_ipv6_mx_checks"] = False
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return data
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class DomainAdminSerializer(serializers.ModelSerializer):
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"""Serializer used for administrator related routes."""
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class Meta:
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model = core_models.User
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fields = ("id", "username", "first_name", "last_name")
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class SimpleDomainAdminSerializer(serializers.Serializer):
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"""Serializer used for add/remove operations."""
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account = serializers.PrimaryKeyRelatedField(
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queryset=core_models.User.objects.all()
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)
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class TagSerializer(serializers.Serializer):
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"""Serializer used to represent a tag."""
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name = serializers.CharField()
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label = serializers.CharField()
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type = serializers.CharField()
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class IdPossibleActionsSerializer(serializers.Serializer):
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"""Serialiser used to get possible actions related to identities."""
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name = serializers.CharField()
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icon = serializers.CharField()
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label = serializers.CharField()
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type = serializers.CharField()
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content_type = serializers.CharField(required=False)
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url = serializers.CharField(required=False)
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filename = serializers.CharField(required=False)
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class IdentitySerializer(serializers.Serializer):
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"""Serializer used for identities."""
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pk = serializers.IntegerField()
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type = serializers.CharField()
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identity = serializers.CharField()
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name_or_rcpt = serializers.CharField()
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tags = TagSerializer(many=True)
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def __init__(self, instance=None, data=..., **kwargs):
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super().__init__(instance, data, **kwargs)
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self.fields["possible_actions"] = serializers.SerializerMethodField()
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def get_possible_actions(self, identity):
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if not isinstance(identity, core_models.User):
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# Return empty action list if identity type is an alias
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# (not used for now)
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return []
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actions = admin_signals.extra_account_identities_actions.send(
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self.__class__, account=identity
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)
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cleaned_actions = []
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for action in actions:
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try:
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serialized_data = IdPossibleActionsSerializer(action[1]).data
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cleaned_actions.append(serialized_data)
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except (ValidationError, AttributeError):
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continue
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return cleaned_actions
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class AccountResourceSerializer(serializers.ModelSerializer):
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"""Serializer for user resource."""
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class Meta:
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fields = ("name", "label", "max_value", "current_value", "usage")
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model = limits_models.UserObjectLimit
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class AccountMeSerializer(v1_serializers.AccountSerializer):
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"""Custom Account serializer for connected user."""
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permissions = serializers.SerializerMethodField()
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class Meta(v1_serializers.AccountSerializer.Meta):
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fields = v1_serializers.AccountSerializer.Meta.fields + ("permissions",)
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def get_permissions(self, user) -> List[str]:
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"""Return available permissions for given user."""
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permissions = (
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user.user_permissions.all() | Permission.objects.filter(group__user=user)
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).select_related("content_type")
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return [f"{p.content_type.app_label}.{p.codename}" for p in permissions]
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class AccountSerializer(v1_serializers.AccountSerializer):
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"""Add support for user resources."""
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aliases = serializers.ListField(
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child=lib_fields.DRFEmailFieldUTF8(), source="mailbox.alias_addresses"
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)
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class Meta(v1_serializers.AccountSerializer.Meta):
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fields = v1_serializers.AccountSerializer.Meta.fields + ("aliases",)
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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if not param_tools.get_global_parameter("enable_admin_limits", app="limits"):
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return
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self.fields["resources"] = serializers.SerializerMethodField()
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def get_resources(self, account) -> List[AccountResourceSerializer]:
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if account.role == "SimpleUsers":
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return []
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resources = []
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for limit in account.userobjectlimit_set.all():
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tpl = limits_constants.DEFAULT_USER_LIMITS[limit.name]
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if "required_role" in tpl:
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if account.role != tpl["required_role"]:
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continue
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resources.append(limit)
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return AccountResourceSerializer(resources, many=True).data
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class MailboxSerializer(serializers.ModelSerializer):
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"""Base mailbox serializer."""
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quota = serializers.CharField(required=False)
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class Meta:
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model = models.Mailbox
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fields = (
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"pk",
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"use_domain_quota",
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"quota",
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"message_limit",
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"is_send_only",
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)
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def validate_quota(self, value):
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"""Convert quota to MB."""
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return web_utils.size2integer(value, output_unit="MB")
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def validate(self, data):
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"""Check if quota is required."""
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method = self.context["request"].method
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if not data.get("use_domain_quota", False):
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if "quota" not in data and method != "PATCH":
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raise serializers.ValidationError(
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{"quota": _("This field is required")}
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)
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return data
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class WritableResourceSerializer(serializers.ModelSerializer):
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"""Serializer used to update resource."""
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class Meta:
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fields = ("name", "max_value")
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model = limits_models.UserObjectLimit
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class WritableAccountSerializer(v1_serializers.WritableAccountSerializer):
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"""Add support for aliases and sender addresses."""
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aliases = serializers.ListField(
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child=lib_fields.DRFEmailFieldUTF8(), required=False
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)
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mailbox = MailboxSerializer(required=False)
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class Meta(v1_serializers.WritableAccountSerializer.Meta):
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fields = tuple(
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field
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for field in v1_serializers.WritableAccountSerializer.Meta.fields
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if field != "random_password"
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) + ("aliases",)
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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if not param_tools.get_global_parameter("enable_admin_limits", app="limits"):
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return
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self.fields["resources"] = WritableResourceSerializer(many=True, required=False)
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def validate_aliases(self, value):
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"""Check if required domains are locals and user can access them."""
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aliases = []
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for alias in value:
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localpart, domain = models.validate_alias_address(
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alias, self.context["request"].user, ignore_existing=True
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)
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aliases.append({"localpart": localpart, "domain": domain})
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return aliases
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def validate(self, data):
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"""Check constraints."""
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master_user = data.get("master_user", False)
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role = data.get("role")
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if master_user and role != "SuperAdmins":
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raise serializers.ValidationError(
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{"master_user": _("Not allowed for this role.")}
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)
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if role == "SimpleUsers":
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username = data.get("username")
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if username:
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try:
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validators.UTF8EmailValidator()(username)
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except ValidationError as err:
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raise ValidationError({"username": err.message})
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mailbox = data.get("mailbox")
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if mailbox is None:
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if not self.instance:
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data["mailbox"] = {"use_domain_quota": True}
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if "mailbox" in data and "username" in data:
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self.address, domain_name = email_utils.split_mailbox(data["username"])
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self.domain = get_object_or_404(models.Domain, name=domain_name)
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creator = self.context["request"].user
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if not creator.can_access(self.domain):
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raise serializers.ValidationError({"mailbox": _("Permission denied.")})
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if not self.instance:
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try:
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core_signals.can_create_object.send(
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sender=self.__class__, context=creator, klass=models.Mailbox
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)
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core_signals.can_create_object.send(
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sender=self.__class__,
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context=self.domain,
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object_type="mailboxes",
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)
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except lib_exceptions.ModoboaException as inst:
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raise serializers.ValidationError({"mailbox": str(inst)})
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if len(self.address) > 64:
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raise serializers.ValidationError(
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{
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"username": _(
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"The left part of an email address can't be more than 64 characters."
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)
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}
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)
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if data.get("password") or not self.partial:
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password = data.get("password")
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if password:
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try:
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password_validation.validate_password(
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data["password"], self.instance
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)
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except ValidationError as exc:
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raise serializers.ValidationError({"password": exc.messages[0]})
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|
elif not self.instance:
|
|
raise serializers.ValidationError(
|
|
{"password": _("This field is required.")}
|
|
)
|
|
aliases = data.get("aliases")
|
|
if aliases and "mailbox" not in data:
|
|
raise serializers.ValidationError(
|
|
{"aliases": _("A mailbox is required to create aliases.")}
|
|
)
|
|
domain_names = data.get("domains")
|
|
if not domain_names:
|
|
return data
|
|
domains = []
|
|
for name in domain_names:
|
|
domain = models.Domain.objects.filter(name=name).first()
|
|
if domain:
|
|
domains.append(domain)
|
|
continue
|
|
raise serializers.ValidationError(
|
|
{"domains": _("Local domain {} does not exist").format(name)}
|
|
)
|
|
data["domains"] = domains
|
|
return data
|
|
|
|
def create(self, validated_data):
|
|
"""Create account, mailbox and aliases."""
|
|
creator = self.context["request"].user
|
|
mailbox_data = validated_data.pop("mailbox", None)
|
|
role = validated_data.pop("role")
|
|
domains = validated_data.pop("domains", [])
|
|
aliases = validated_data.pop("aliases", None)
|
|
user = core_models.User(**validated_data)
|
|
password = validated_data.pop("password")
|
|
user.set_password(password)
|
|
if "language" not in validated_data:
|
|
user.language = settings.LANGUAGE_CODE
|
|
user.save(creator=creator)
|
|
if mailbox_data:
|
|
mailbox_data["full_address"] = user.username
|
|
self._create_mailbox(creator, user, mailbox_data)
|
|
user.role = role
|
|
self.set_permissions(user, domains)
|
|
if aliases:
|
|
for alias in aliases:
|
|
models.Alias.objects.modify_or_create(
|
|
address="{}@{}".format(alias["localpart"], alias["domain"]),
|
|
recipients=[user.username],
|
|
creator=creator,
|
|
domain=alias["domain"],
|
|
)
|
|
return user
|
|
|
|
def update(self, instance, validated_data):
|
|
"""Update account and associated objects."""
|
|
mailbox_data = validated_data.pop("mailbox", None)
|
|
password = validated_data.pop("password", None)
|
|
domains = validated_data.pop("domains", [])
|
|
aliases = validated_data.pop("aliases", None)
|
|
for key, value in validated_data.items():
|
|
setattr(instance, key, value)
|
|
if password:
|
|
instance.set_password(password)
|
|
if mailbox_data:
|
|
creator = self.context["request"].user
|
|
if hasattr(instance, "mailbox"):
|
|
if "username" in validated_data:
|
|
mailbox_data["email"] = validated_data["username"]
|
|
instance.email = validated_data["username"]
|
|
instance.mailbox.update_from_dict(creator, mailbox_data)
|
|
elif "username" in validated_data:
|
|
mailbox_data["full_address"] = validated_data["username"]
|
|
instance.email = validated_data["username"]
|
|
self._create_mailbox(creator, instance, mailbox_data)
|
|
if aliases is not None and "username" in validated_data:
|
|
# We create a list to keep track of alias we need to delete
|
|
alias_recipients = instance.mailbox.alias_addresses
|
|
for alias in aliases:
|
|
address = "{}@{}".format(alias["localpart"], alias["domain"])
|
|
models.Alias.objects.modify_or_create(
|
|
address=address,
|
|
recipients=[validated_data["username"]],
|
|
creator=creator,
|
|
domain=alias["domain"],
|
|
)
|
|
try:
|
|
alias_recipients.remove(address)
|
|
except ValueError:
|
|
continue
|
|
for alias_address in alias_recipients:
|
|
alias = models.Alias.objects.filter(
|
|
address=alias_address, internal=False
|
|
)
|
|
if alias.exists():
|
|
alias.first().remove_recipient_or_delete(validated_data["username"])
|
|
instance.save()
|
|
resources = validated_data.get("resources")
|
|
if resources:
|
|
for resource in resources:
|
|
instance.userobjectlimit_set.filter(name=resource["name"]).update(
|
|
max_value=resource["max_value"]
|
|
)
|
|
self.set_permissions(instance, domains)
|
|
return instance
|
|
|
|
|
|
class DeleteAccountSerializer(serializers.Serializer):
|
|
"""Serializer used with delete operation."""
|
|
|
|
keepdir = serializers.BooleanField(default=False)
|
|
|
|
|
|
class AliasSerializer(v1_serializers.AliasSerializer):
|
|
"""Alias serializer for v2 API."""
|
|
|
|
class Meta(v1_serializers.AliasSerializer.Meta):
|
|
# We remove 'internal' field
|
|
fields = tuple(
|
|
field
|
|
for field in v1_serializers.AliasSerializer.Meta.fields
|
|
if field != "internal"
|
|
) + ("expire_at", "description", "creation", "last_modification")
|
|
|
|
|
|
class UserForwardSerializer(serializers.Serializer):
|
|
"""Serializer to define user forward."""
|
|
|
|
recipients = serializers.CharField(required=False)
|
|
keepcopies = serializers.BooleanField(default=False)
|
|
|
|
def validate_recipients(self, value):
|
|
value = value.strip()
|
|
recipients = []
|
|
if not value:
|
|
return recipients
|
|
for recipient in value.split(","):
|
|
dj_validators.validate_email(recipient)
|
|
recipients.append(recipient)
|
|
return recipients
|
|
|
|
|
|
class CSVImportSerializer(serializers.Serializer):
|
|
"""Base serializer for all CSV import endpoints."""
|
|
|
|
sourcefile = serializers.FileField()
|
|
sepchar = serializers.CharField(required=False, default=";")
|
|
continue_if_exists = serializers.BooleanField(default=False)
|
|
|
|
|
|
class CSVIdentityImportSerializer(CSVImportSerializer):
|
|
"""Custom serializer for identity import."""
|
|
|
|
crypt_password = serializers.BooleanField()
|
|
|
|
|
|
class AlarmSerializer(serializers.ModelSerializer):
|
|
"""Serializer for Alarm related endpoints."""
|
|
|
|
class Meta:
|
|
depth = 1
|
|
fields = "__all__"
|
|
model = models.Alarm
|
|
|
|
|
|
class AlarmSwitchStatusSerializer(serializers.Serializer):
|
|
"""Serializer to switch the status of an Alarm."""
|
|
|
|
status = serializers.IntegerField()
|
|
|
|
def validate(self, data):
|
|
if data["status"] not in [constants.ALARM_OPENED, constants.ALARM_CLOSED]:
|
|
raise ValidationError(_("Unknown status"))
|
|
return data
|