merged changes from api without api
Alexander Graf
5 years ago
commit
e46d4737b0
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,945 @@
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""" Mailu marshmallow fields and schema
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"""
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from copy import deepcopy
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from textwrap import wrap
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import re
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import json
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import yaml
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import sqlalchemy
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from marshmallow import pre_load, post_load, post_dump, fields, Schema
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from marshmallow.utils import ensure_text_type
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from marshmallow.exceptions import ValidationError
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from marshmallow_sqlalchemy import SQLAlchemyAutoSchemaOpts
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from marshmallow_sqlalchemy.fields import RelatedList
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from flask_marshmallow import Marshmallow
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from OpenSSL import crypto
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try:
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from pygments import highlight
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from pygments.token import Token
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from pygments.lexers import get_lexer_by_name
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from pygments.lexers.data import YamlLexer
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from pygments.formatters import get_formatter_by_name
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except ModuleNotFoundError:
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COLOR_SUPPORTED = False
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else:
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COLOR_SUPPORTED = True
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from . import models, dkim
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ma = Marshmallow()
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# TODO: how and where to mark keys as "required" while deserializing in api?
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# - when modifying, nothing is required (only the primary key, but this key is in the uri)
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# - the primary key from post data must not differ from the key in the uri
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# - when creating all fields without default or auto-increment are required
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# TODO: validate everything!
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### class for hidden values ###
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class _Hidden:
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def __bool__(self):
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return False
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def __copy__(self):
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return self
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def __deepcopy__(self, _):
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return self
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def __eq__(self, other):
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return str(other) == '<hidden>'
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def __repr__(self):
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return '<hidden>'
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__str__ = __repr__
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HIDDEN = _Hidden()
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### map model to schema ###
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_model2schema = {}
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def get_schema(model=None):
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""" return schema class for model or instance of model """
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if model is None:
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return _model2schema.values()
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else:
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return _model2schema.get(model) or _model2schema.get(model.__class__)
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def mapped(cls):
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""" register schema in model2schema map """
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_model2schema[cls.Meta.model] = cls
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return cls
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### helper functions ###
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def get_fieldspec(exc):
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""" walk traceback to extract spec of invalid field from marshmallow """
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path = []
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tbck = exc.__traceback__
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while tbck:
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if tbck.tb_frame.f_code.co_name == '_serialize':
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if 'attr' in tbck.tb_frame.f_locals:
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path.append(tbck.tb_frame.f_locals['attr'])
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elif tbck.tb_frame.f_code.co_name == '_init_fields':
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path = '.'.join(path)
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spec = ', '.join([f'{path}.{key}' for key in tbck.tb_frame.f_locals['invalid_fields']])
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return spec
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tbck = tbck.tb_next
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return None
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def colorize(data, lexer='yaml', formatter='terminal', color=None, strip=False):
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""" add ANSI color to data """
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if color is None:
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# autodetect colorize
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color = COLOR_SUPPORTED
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if not color:
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# no color wanted
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return data
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if not COLOR_SUPPORTED:
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# want color, but not supported
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raise ValueError('Please install pygments to colorize output')
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scheme = {
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Token: ('', ''),
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Token.Name.Tag: ('cyan', 'brightcyan'),
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Token.Literal.Scalar: ('green', 'green'),
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Token.Literal.String: ('green', 'green'),
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Token.Keyword.Constant: ('magenta', 'brightmagenta'),
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Token.Literal.Number: ('magenta', 'brightmagenta'),
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Token.Error: ('red', 'brightred'),
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Token.Name: ('red', 'brightred'),
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Token.Operator: ('red', 'brightred'),
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}
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class MyYamlLexer(YamlLexer):
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""" colorize yaml constants and integers """
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def get_tokens(self, text, unfiltered=False):
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for typ, value in super().get_tokens(text, unfiltered):
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if typ is Token.Literal.Scalar.Plain:
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if value in {'true', 'false', 'null'}:
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typ = Token.Keyword.Constant
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elif value == HIDDEN:
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typ = Token.Error
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else:
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try:
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int(value, 10)
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except ValueError:
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try:
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float(value)
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except ValueError:
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pass
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else:
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typ = Token.Literal.Number.Float
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else:
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typ = Token.Literal.Number.Integer
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yield typ, value
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res = highlight(
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data,
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MyYamlLexer() if lexer == 'yaml' else get_lexer_by_name(lexer),
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get_formatter_by_name(formatter, colorscheme=scheme)
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)
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return res.rstrip('\n') if strip else res
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### render modules ###
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# allow yaml to represent hidden attributes
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yaml.add_representer(
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_Hidden,
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lambda cls, data: cls.represent_data(str(data))
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)
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class RenderYAML:
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""" Marshmallow YAML Render Module
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"""
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class SpacedDumper(yaml.Dumper):
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""" YAML Dumper to add a newline between main sections
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and double the indent used
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"""
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def write_line_break(self, data=None):
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super().write_line_break(data)
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if len(self.indents) == 1:
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super().write_line_break()
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def increase_indent(self, flow=False, indentless=False):
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return super().increase_indent(flow, False)
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@staticmethod
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def _augment(kwargs, defaults):
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""" add default kv's to kwargs if missing
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"""
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for key, value in defaults.items():
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if key not in kwargs:
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kwargs[key] = value
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_load_defaults = {}
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@classmethod
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def loads(cls, *args, **kwargs):
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""" load yaml data from string
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"""
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cls._augment(kwargs, cls._load_defaults)
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return yaml.safe_load(*args, **kwargs)
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_dump_defaults = {
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'Dumper': SpacedDumper,
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'default_flow_style': False,
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'allow_unicode': True,
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'sort_keys': False,
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}
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@classmethod
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def dumps(cls, *args, **kwargs):
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""" dump data to yaml string
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"""
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cls._augment(kwargs, cls._dump_defaults)
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return yaml.dump(*args, **kwargs)
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class JSONEncoder(json.JSONEncoder):
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""" JSONEncoder supporting serialization of HIDDEN """
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def default(self, o):
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""" serialize HIDDEN """
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if isinstance(o, _Hidden):
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return str(o)
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return json.JSONEncoder.default(self, o)
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class RenderJSON:
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""" Marshmallow JSON Render Module
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"""
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@staticmethod
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def _augment(kwargs, defaults):
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""" add default kv's to kwargs if missing
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"""
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for key, value in defaults.items():
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if key not in kwargs:
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kwargs[key] = value
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_load_defaults = {}
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@classmethod
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def loads(cls, *args, **kwargs):
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""" load json data from string
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"""
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cls._augment(kwargs, cls._load_defaults)
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return json.loads(*args, **kwargs)
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_dump_defaults = {
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'separators': (',',':'),
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'cls': JSONEncoder,
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}
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@classmethod
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def dumps(cls, *args, **kwargs):
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""" dump data to json string
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"""
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cls._augment(kwargs, cls._dump_defaults)
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return json.dumps(*args, **kwargs)
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### custom fields ###
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class LazyStringField(fields.String):
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""" Field that serializes a "false" value to the empty string
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"""
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def _serialize(self, value, attr, obj, **kwargs):
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""" serialize None to the empty string
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"""
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return value if value else ''
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class CommaSeparatedListField(fields.Raw):
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""" Deserialize a string containing comma-separated values to
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a list of strings
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"""
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def _deserialize(self, value, attr, data, **kwargs):
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""" deserialize comma separated string to list of strings
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"""
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# empty
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if not value:
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return []
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# split string
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if isinstance(value, str):
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return list([item.strip() for item in value.split(',') if item.strip()])
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else:
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return value
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class DkimKeyField(fields.String):
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""" Serialize a dkim key to a list of strings (lines) and
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Deserialize a string or list of strings to a valid dkim key
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"""
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default_error_messages = {
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"invalid": "Not a valid string or list.",
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"invalid_utf8": "Not a valid utf-8 string or list.",
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}
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_clean_re = re.compile(
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r'(^-----BEGIN (RSA )?PRIVATE KEY-----|-----END (RSA )?PRIVATE KEY-----$|\s+)',
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flags=re.UNICODE
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)
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def _serialize(self, value, attr, obj, **kwargs):
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""" serialize dkim key to a list of strings (lines)
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"""
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# map empty string and None to None
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if not value:
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return None
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# return list of key lines without header/footer
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return value.decode('utf-8').strip().split('\n')[1:-1]
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def _deserialize(self, value, attr, data, **kwargs):
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""" deserialize a string or list of strings to dkim key data
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with verification
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"""
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# convert list to str
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if isinstance(value, list):
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try:
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value = ''.join([ensure_text_type(item) for item in value])
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except UnicodeDecodeError as exc:
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raise self.make_error("invalid_utf8") from exc
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# only text is allowed
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else:
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if not isinstance(value, (str, bytes)):
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raise self.make_error("invalid")
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try:
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value = ensure_text_type(value)
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except UnicodeDecodeError as exc:
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raise self.make_error("invalid_utf8") from exc
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# clean value (remove whitespace and header/footer)
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value = self._clean_re.sub('', value.strip())
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# map empty string/list to None
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if not value:
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return None
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# handle special value 'generate'
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elif value == 'generate':
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return dkim.gen_key()
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# remember some keydata for error message
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keydata = f'{value[:25]}...{value[-10:]}' if len(value) > 40 else value
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# wrap value into valid pem layout and check validity
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value = (
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'-----BEGIN PRIVATE KEY-----\n' +
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'\n'.join(wrap(value, 64)) +
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'\n-----END PRIVATE KEY-----\n'
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).encode('ascii')
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try:
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crypto.load_privatekey(crypto.FILETYPE_PEM, value)
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except crypto.Error as exc:
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raise ValidationError(f'invalid dkim key {keydata!r}') from exc
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else:
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return value
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class PasswordField(fields.Str):
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""" Serialize a hashed password hash by stripping the obsolete {SCHEME}
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Deserialize a plain password or hashed password into a hashed password
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"""
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_hashes = {'PBKDF2', 'BLF-CRYPT', 'SHA512-CRYPT', 'SHA256-CRYPT', 'MD5-CRYPT', 'CRYPT'}
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def _serialize(self, value, attr, obj, **kwargs):
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""" strip obsolete {password-hash} when serializing """
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# strip scheme spec if in database - it's obsolete
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if value.startswith('{') and (end := value.find('}', 1)) >= 0:
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|
if value[1:end] in self._hashes:
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return value[end+1:]
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|
return value
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|
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def _deserialize(self, value, attr, data, **kwargs):
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""" hashes plain password or checks hashed password
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also strips obsolete {password-hash} when deserializing
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"""
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|
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# when hashing is requested: use model instance to hash plain password
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if data.get('hash_password'):
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# hash password using model instance
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inst = self.metadata['model']()
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inst.set_password(value)
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value = inst.password
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del inst
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|
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# strip scheme spec when specified - it's obsolete
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if value.startswith('{') and (end := value.find('}', 1)) >= 0:
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if value[1:end] in self._hashes:
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value = value[end+1:]
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|
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# check if algorithm is supported
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inst = self.metadata['model'](password=value)
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|
try:
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# just check against empty string to see if hash is valid
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inst.check_password('')
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|
except ValueError as exc:
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# ValueError: hash could not be identified
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raise ValidationError(f'invalid password hash {value!r}') from exc
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del inst
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|
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return value
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|
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||||||
|
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||||||
|
### base schema ###
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|
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||||||
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class BaseOpts(SQLAlchemyAutoSchemaOpts):
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||||||
|
""" Option class with sqla session
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||||||
|
"""
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||||||
|
def __init__(self, meta, ordered=False):
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||||||
|
if not hasattr(meta, 'sqla_session'):
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||||||
|
meta.sqla_session = models.db.session
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||||||
|
if not hasattr(meta, 'sibling'):
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||||||
|
meta.sibling = False
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||||||
|
super(BaseOpts, self).__init__(meta, ordered=ordered)
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||||||
|
|
||||||
|
class BaseSchema(ma.SQLAlchemyAutoSchema):
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||||||
|
""" Marshmallow base schema with custom exclude logic
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||||||
|
and option to hide sqla defaults
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||||||
|
"""
|
||||||
|
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||||||
|
OPTIONS_CLASS = BaseOpts
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||||||
|
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||||||
|
class Meta:
|
||||||
|
""" Schema config """
|
||||||
|
include_by_context = {}
|
||||||
|
exclude_by_value = {}
|
||||||
|
hide_by_context = {}
|
||||||
|
order = []
|
||||||
|
sibling = False
|
||||||
|
|
||||||
|
def __init__(self, *args, **kwargs):
|
||||||
|
|
||||||
|
# get context
|
||||||
|
context = kwargs.get('context', {})
|
||||||
|
flags = {key for key, value in context.items() if value is True}
|
||||||
|
|
||||||
|
# compile excludes
|
||||||
|
exclude = set(kwargs.get('exclude', []))
|
||||||
|
|
||||||
|
# always exclude
|
||||||
|
exclude.update({'created_at', 'updated_at'})
|
||||||
|
|
||||||
|
# add include_by_context
|
||||||
|
if context is not None:
|
||||||
|
for need, what in getattr(self.Meta, 'include_by_context', {}).items():
|
||||||
|
if not flags & set(need):
|
||||||
|
exclude |= set(what)
|
||||||
|
|
||||||
|
# update excludes
|
||||||
|
kwargs['exclude'] = exclude
|
||||||
|
|
||||||
|
# init SQLAlchemyAutoSchema
|
||||||
|
super().__init__(*args, **kwargs)
|
||||||
|
|
||||||
|
# exclude_by_value
|
||||||
|
self._exclude_by_value = getattr(self.Meta, 'exclude_by_value', {})
|
||||||
|
|
||||||
|
# exclude default values
|
||||||
|
if not context.get('full'):
|
||||||
|
for column in self.opts.model.__table__.columns:
|
||||||
|
if column.name not in exclude:
|
||||||
|
self._exclude_by_value.setdefault(column.name, []).append(
|
||||||
|
None if column.default is None else column.default.arg
|
||||||
|
)
|
||||||
|
|
||||||
|
# hide by context
|
||||||
|
self._hide_by_context = set()
|
||||||
|
if context is not None:
|
||||||
|
for need, what in getattr(self.Meta, 'hide_by_context', {}).items():
|
||||||
|
if not flags & set(need):
|
||||||
|
self._hide_by_context |= set(what)
|
||||||
|
|
||||||
|
# remember primary keys
|
||||||
|
self._primary = str(self.opts.model.__table__.primary_key.columns.values()[0].name)
|
||||||
|
|
||||||
|
# determine attribute order
|
||||||
|
if hasattr(self.Meta, 'order'):
|
||||||
|
# use user-defined order
|
||||||
|
order = self.Meta.order
|
||||||
|
else:
|
||||||
|
# default order is: primary_key + other keys alphabetically
|
||||||
|
order = list(sorted(self.fields.keys()))
|
||||||
|
if self._primary in order:
|
||||||
|
order.remove(self._primary)
|
||||||
|
order.insert(0, self._primary)
|
||||||
|
|
||||||
|
# order dump_fields
|
||||||
|
for field in order:
|
||||||
|
if field in self.dump_fields:
|
||||||
|
self.dump_fields[field] = self.dump_fields.pop(field)
|
||||||
|
|
||||||
|
# move pre_load hook "_track_import" to the front
|
||||||
|
hooks = self._hooks[('pre_load', False)]
|
||||||
|
hooks.remove('_track_import')
|
||||||
|
hooks.insert(0, '_track_import')
|
||||||
|
# move pre_load hook "_add_instance" to the end
|
||||||
|
hooks.remove('_add_required')
|
||||||
|
hooks.append('_add_required')
|
||||||
|
|
||||||
|
# move post_load hook "_add_instance" to the end
|
||||||
|
hooks = self._hooks[('post_load', False)]
|
||||||
|
hooks.remove('_add_instance')
|
||||||
|
hooks.append('_add_instance')
|
||||||
|
|
||||||
|
def hide(self, data):
|
||||||
|
""" helper method to hide input data for logging """
|
||||||
|
# always returns a copy of data
|
||||||
|
return {
|
||||||
|
key: HIDDEN if key in self._hide_by_context else deepcopy(value)
|
||||||
|
for key, value in data.items()
|
||||||
|
}
|
||||||
|
|
||||||
|
def _call_and_store(self, *args, **kwargs):
|
||||||
|
""" track curent parent field for pruning """
|
||||||
|
self.context['parent_field'] = kwargs['field_name']
|
||||||
|
return super()._call_and_store(*args, **kwargs)
|
||||||
|
|
||||||
|
# this is only needed to work around the declared attr "email" primary key in model
|
||||||
|
def get_instance(self, data):
|
||||||
|
""" lookup item by defined primary key instead of key(s) from model """
|
||||||
|
if self.transient:
|
||||||
|
return None
|
||||||
|
if keys := getattr(self.Meta, 'primary_keys', None):
|
||||||
|
filters = {key: data.get(key) for key in keys}
|
||||||
|
if None not in filters.values():
|
||||||
|
return self.session.query(self.opts.model).filter_by(**filters).first()
|
||||||
|
return super().get_instance(data)
|
||||||
|
|
||||||
|
@pre_load(pass_many=True)
|
||||||
|
def _patch_input(self, items, many, **kwargs): # pylint: disable=unused-argument
|
||||||
|
""" - flush sqla session before serializing a section when requested
|
||||||
|
(make sure all objects that could be referred to later are created)
|
||||||
|
- when in update mode: patch input data before deserialization
|
||||||
|
- handle "prune" and "delete" items
|
||||||
|
- replace values in keys starting with '-' with default
|
||||||
|
"""
|
||||||
|
|
||||||
|
# flush sqla session
|
||||||
|
if not self.Meta.sibling:
|
||||||
|
self.opts.sqla_session.flush()
|
||||||
|
|
||||||
|
# stop early when not updating
|
||||||
|
if not self.context.get('update'):
|
||||||
|
return items
|
||||||
|
|
||||||
|
# patch "delete", "prune" and "default"
|
||||||
|
want_prune = []
|
||||||
|
def patch(count, data, prune):
|
||||||
|
|
||||||
|
# don't allow __delete__ coming from input
|
||||||
|
if '__delete__' in data:
|
||||||
|
raise ValidationError('Unknown field.', f'{count}.__delete__')
|
||||||
|
|
||||||
|
# handle "prune list" and "delete item" (-pkey: none and -pkey: id)
|
||||||
|
for key in data:
|
||||||
|
if key.startswith('-'):
|
||||||
|
if key[1:] == self._primary:
|
||||||
|
# delete or prune
|
||||||
|
if data[key] is None:
|
||||||
|
# prune
|
||||||
|
prune.append(True)
|
||||||
|
return None
|
||||||
|
# mark item for deletion
|
||||||
|
return {key[1:]: data[key], '__delete__': True}
|
||||||
|
|
||||||
|
# handle "set to default value" (-key: none)
|
||||||
|
def set_default(key, value):
|
||||||
|
if not key.startswith('-'):
|
||||||
|
return (key, value)
|
||||||
|
key = key[1:]
|
||||||
|
if not key in self.opts.model.__table__.columns:
|
||||||
|
return (key, None)
|
||||||
|
if value is not None:
|
||||||
|
raise ValidationError(
|
||||||
|
'When resetting to default value must be null.',
|
||||||
|
f'{count}.{key}'
|
||||||
|
)
|
||||||
|
value = self.opts.model.__table__.columns[key].default
|
||||||
|
if value is None:
|
||||||
|
raise ValidationError(
|
||||||
|
'Field has no default value.',
|
||||||
|
f'{count}.{key}'
|
||||||
|
)
|
||||||
|
return (key, value.arg)
|
||||||
|
|
||||||
|
return dict([set_default(key, value) for key, value in data.items()])
|
||||||
|
|
||||||
|
# convert items to "delete" and filter "prune" item
|
||||||
|
items = [
|
||||||
|
item for item in [
|
||||||
|
patch(count, item, want_prune) for count, item in enumerate(items)
|
||||||
|
] if item
|
||||||
|
]
|
||||||
|
|
||||||
|
# prune: determine if existing items in db need to be added or marked for deletion
|
||||||
|
add_items = False
|
||||||
|
del_items = False
|
||||||
|
if self.Meta.sibling:
|
||||||
|
# parent prunes automatically
|
||||||
|
if not want_prune:
|
||||||
|
# no prune requested => add old items
|
||||||
|
add_items = True
|
||||||
|
else:
|
||||||
|
# parent does not prune automatically
|
||||||
|
if want_prune:
|
||||||
|
# prune requested => mark old items for deletion
|
||||||
|
del_items = True
|
||||||
|
|
||||||
|
if add_items or del_items:
|
||||||
|
existing = {item[self._primary] for item in items if self._primary in item}
|
||||||
|
for item in getattr(self.context['parent'], self.context['parent_field']):
|
||||||
|
key = getattr(item, self._primary)
|
||||||
|
if key not in existing:
|
||||||
|
if add_items:
|
||||||
|
items.append({self._primary: key})
|
||||||
|
else:
|
||||||
|
items.append({self._primary: key, '__delete__': True})
|
||||||
|
|
||||||
|
return items
|
||||||
|
|
||||||
|
@pre_load
|
||||||
|
def _track_import(self, data, many, **kwargs): # pylint: disable=unused-argument
|
||||||
|
""" call callback function to track import
|
||||||
|
"""
|
||||||
|
# callback
|
||||||
|
if callback := self.context.get('callback'):
|
||||||
|
callback(self, data)
|
||||||
|
|
||||||
|
return data
|
||||||
|
|
||||||
|
@pre_load
|
||||||
|
def _add_required(self, data, many, **kwargs): # pylint: disable=unused-argument
|
||||||
|
""" when updating:
|
||||||
|
allow modification of existing items having required attributes
|
||||||
|
by loading existing value from db
|
||||||
|
"""
|
||||||
|
|
||||||
|
if not self.opts.load_instance or not self.context.get('update'):
|
||||||
|
return data
|
||||||
|
|
||||||
|
# stabilize import of auto-increment primary keys (not required),
|
||||||
|
# by matching import data to existing items and setting primary key
|
||||||
|
if not self._primary in data:
|
||||||
|
for item in getattr(self.context['parent'], self.context['parent_field']):
|
||||||
|
existing = self.dump(item, many=False)
|
||||||
|
this = existing.pop(self._primary)
|
||||||
|
if data == existing:
|
||||||
|
instance = item
|
||||||
|
data[self._primary] = this
|
||||||
|
break
|
||||||
|
|
||||||
|
# try to load instance
|
||||||
|
instance = self.instance or self.get_instance(data)
|
||||||
|
if instance is None:
|
||||||
|
|
||||||
|
if '__delete__' in data:
|
||||||
|
# deletion of non-existent item requested
|
||||||
|
raise ValidationError(
|
||||||
|
f'item to delete not found: {data[self._primary]!r}',
|
||||||
|
field_name=f'?.{self._primary}',
|
||||||
|
)
|
||||||
|
|
||||||
|
else:
|
||||||
|
|
||||||
|
if self.context.get('update'):
|
||||||
|
# remember instance as parent for pruning siblings
|
||||||
|
if not self.Meta.sibling:
|
||||||
|
self.context['parent'] = instance
|
||||||
|
# delete instance when marked
|
||||||
|
if '__delete__' in data:
|
||||||
|
self.opts.sqla_session.delete(instance)
|
||||||
|
# delete item from lists or prune lists
|
||||||
|
# currently: domain.alternatives, user.forward_destination,
|
||||||
|
# user.manager_of, aliases.destination
|
||||||
|
for key, value in data.items():
|
||||||
|
if not isinstance(self.fields[key], fields.Nested) and isinstance(value, list):
|
||||||
|
new_value = set(value)
|
||||||
|
# handle list pruning
|
||||||
|
if '-prune-' in value:
|
||||||
|
value.remove('-prune-')
|
||||||
|
new_value.remove('-prune-')
|
||||||
|
else:
|
||||||
|
for old in getattr(instance, key):
|
||||||
|
# using str() is okay for now (see above)
|
||||||
|
new_value.add(str(old))
|
||||||
|
# handle item deletion
|
||||||
|
for item in value:
|
||||||
|
if item.startswith('-'):
|
||||||
|
new_value.remove(item)
|
||||||
|
try:
|
||||||
|
new_value.remove(item[1:])
|
||||||
|
except KeyError as exc:
|
||||||
|
raise ValidationError(
|
||||||
|
f'item to delete not found: {item[1:]!r}',
|
||||||
|
field_name=f'?.{key}',
|
||||||
|
) from exc
|
||||||
|
# deduplicate and sort list
|
||||||
|
data[key] = sorted(new_value)
|
||||||
|
# log backref modification not catched by hook
|
||||||
|
if isinstance(self.fields[key], RelatedList):
|
||||||
|
if callback := self.context.get('callback'):
|
||||||
|
callback(self, instance, {
|
||||||
|
'key': key,
|
||||||
|
'target': str(instance),
|
||||||
|
'before': [str(v) for v in getattr(instance, key)],
|
||||||
|
'after': data[key],
|
||||||
|
})
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
# add attributes required for validation from db
|
||||||
|
# TODO: this will cause validation errors if value from database does not validate
|
||||||
|
# but there should not be an invalid value in the database
|
||||||
|
for attr_name, field_obj in self.load_fields.items():
|
||||||
|
if field_obj.required and attr_name not in data:
|
||||||
|
data[attr_name] = getattr(instance, attr_name)
|
||||||
|
|
||||||
|
return data
|
||||||
|
|
||||||
|
@post_load(pass_original=True)
|
||||||
|
def _add_instance(self, item, original, many, **kwargs): # pylint: disable=unused-argument
|
||||||
|
""" add new instances to sqla session """
|
||||||
|
|
||||||
|
if item in self.opts.sqla_session:
|
||||||
|
# item was modified
|
||||||
|
if 'hash_password' in original:
|
||||||
|
# stabilize import of passwords to be hashed,
|
||||||
|
# by not re-hashing an unchanged password
|
||||||
|
if attr := getattr(sqlalchemy.inspect(item).attrs, 'password', None):
|
||||||
|
if attr.history.has_changes() and attr.history.deleted:
|
||||||
|
try:
|
||||||
|
# reset password hash, if password was not changed
|
||||||
|
inst = type(item)(password=attr.history.deleted[-1])
|
||||||
|
if inst.check_password(original['password']):
|
||||||
|
item.password = inst.password
|
||||||
|
except ValueError:
|
||||||
|
# hash in db is invalid
|
||||||
|
pass
|
||||||
|
else:
|
||||||
|
del inst
|
||||||
|
else:
|
||||||
|
# new item
|
||||||
|
self.opts.sqla_session.add(item)
|
||||||
|
return item
|
||||||
|
|
||||||
|
@post_dump
|
||||||
|
def _hide_values(self, data, many, **kwargs): # pylint: disable=unused-argument
|
||||||
|
""" hide secrets and order output """
|
||||||
|
|
||||||
|
# stop early when not excluding/hiding
|
||||||
|
if not self._exclude_by_value and not self._hide_by_context:
|
||||||
|
return data
|
||||||
|
|
||||||
|
# exclude or hide values
|
||||||
|
full = self.context.get('full')
|
||||||
|
return type(data)([
|
||||||
|
(key, HIDDEN if key in self._hide_by_context else value)
|
||||||
|
for key, value in data.items()
|
||||||
|
if full or key not in self._exclude_by_value or value not in self._exclude_by_value[key]
|
||||||
|
])
|
||||||
|
|
||||||
|
# this field is used to mark items for deletion
|
||||||
|
mark_delete = fields.Boolean(data_key='__delete__', load_only=True)
|
||||||
|
|
||||||
|
# TODO: remove LazyStringField (when model was changed - IMHO comment should not be nullable)
|
||||||
|
comment = LazyStringField()
|
||||||
|
|
||||||
|
|
||||||
|
### schema definitions ###
|
||||||
|
|
||||||
|
@mapped
|
||||||
|
class DomainSchema(BaseSchema):
|
||||||
|
""" Marshmallow schema for Domain model """
|
||||||
|
class Meta:
|
||||||
|
""" Schema config """
|
||||||
|
model = models.Domain
|
||||||
|
load_instance = True
|
||||||
|
include_relationships = True
|
||||||
|
exclude = ['users', 'managers', 'aliases']
|
||||||
|
|
||||||
|
include_by_context = {
|
||||||
|
('dns',): {'dkim_publickey', 'dns_mx', 'dns_spf', 'dns_dkim', 'dns_dmarc'},
|
||||||
|
}
|
||||||
|
hide_by_context = {
|
||||||
|
('secrets',): {'dkim_key'},
|
||||||
|
}
|
||||||
|
exclude_by_value = {
|
||||||
|
'alternatives': [[]],
|
||||||
|
'dkim_key': [None],
|
||||||
|
'dkim_publickey': [None],
|
||||||
|
'dns_mx': [None],
|
||||||
|
'dns_spf': [None],
|
||||||
|
'dns_dkim': [None],
|
||||||
|
'dns_dmarc': [None],
|
||||||
|
}
|
||||||
|
|
||||||
|
dkim_key = DkimKeyField(allow_none=True)
|
||||||
|
dkim_publickey = fields.String(dump_only=True)
|
||||||
|
dns_mx = fields.String(dump_only=True)
|
||||||
|
dns_spf = fields.String(dump_only=True)
|
||||||
|
dns_dkim = fields.String(dump_only=True)
|
||||||
|
dns_dmarc = fields.String(dump_only=True)
|
||||||
|
|
||||||
|
|
||||||
|
@mapped
|
||||||
|
class TokenSchema(BaseSchema):
|
||||||
|
""" Marshmallow schema for Token model """
|
||||||
|
class Meta:
|
||||||
|
""" Schema config """
|
||||||
|
model = models.Token
|
||||||
|
load_instance = True
|
||||||
|
|
||||||
|
sibling = True
|
||||||
|
|
||||||
|
password = PasswordField(required=True, metadata={'model': models.User})
|
||||||
|
hash_password = fields.Boolean(load_only=True, missing=False)
|
||||||
|
|
||||||
|
|
||||||
|
@mapped
|
||||||
|
class FetchSchema(BaseSchema):
|
||||||
|
""" Marshmallow schema for Fetch model """
|
||||||
|
class Meta:
|
||||||
|
""" Schema config """
|
||||||
|
model = models.Fetch
|
||||||
|
load_instance = True
|
||||||
|
|
||||||
|
sibling = True
|
||||||
|
include_by_context = {
|
||||||
|
('full', 'import'): {'last_check', 'error'},
|
||||||
|
}
|
||||||
|
hide_by_context = {
|
||||||
|
('secrets',): {'password'},
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@mapped
|
||||||
|
class UserSchema(BaseSchema):
|
||||||
|
""" Marshmallow schema for User model """
|
||||||
|
class Meta:
|
||||||
|
""" Schema config """
|
||||||
|
model = models.User
|
||||||
|
load_instance = True
|
||||||
|
include_relationships = True
|
||||||
|
exclude = ['_email', 'domain', 'localpart', 'domain_name', 'quota_bytes_used']
|
||||||
|
|
||||||
|
primary_keys = ['email']
|
||||||
|
exclude_by_value = {
|
||||||
|
'forward_destination': [[]],
|
||||||
|
'tokens': [[]],
|
||||||
|
'fetches': [[]],
|
||||||
|
'manager_of': [[]],
|
||||||
|
'reply_enddate': ['2999-12-31'],
|
||||||
|
'reply_startdate': ['1900-01-01'],
|
||||||
|
}
|
||||||
|
|
||||||
|
email = fields.String(required=True)
|
||||||
|
tokens = fields.Nested(TokenSchema, many=True)
|
||||||
|
fetches = fields.Nested(FetchSchema, many=True)
|
||||||
|
|
||||||
|
password = PasswordField(required=True, metadata={'model': models.User})
|
||||||
|
hash_password = fields.Boolean(load_only=True, missing=False)
|
||||||
|
|
||||||
|
|
||||||
|
@mapped
|
||||||
|
class AliasSchema(BaseSchema):
|
||||||
|
""" Marshmallow schema for Alias model """
|
||||||
|
class Meta:
|
||||||
|
""" Schema config """
|
||||||
|
model = models.Alias
|
||||||
|
load_instance = True
|
||||||
|
exclude = ['_email', 'domain', 'localpart', 'domain_name']
|
||||||
|
|
||||||
|
primary_keys = ['email']
|
||||||
|
exclude_by_value = {
|
||||||
|
'destination': [[]],
|
||||||
|
}
|
||||||
|
|
||||||
|
email = fields.String(required=True)
|
||||||
|
destination = CommaSeparatedListField()
|
||||||
|
|
||||||
|
|
||||||
|
@mapped
|
||||||
|
class ConfigSchema(BaseSchema):
|
||||||
|
""" Marshmallow schema for Config model """
|
||||||
|
class Meta:
|
||||||
|
""" Schema config """
|
||||||
|
model = models.Config
|
||||||
|
load_instance = True
|
||||||
|
|
||||||
|
|
||||||
|
@mapped
|
||||||
|
class RelaySchema(BaseSchema):
|
||||||
|
""" Marshmallow schema for Relay model """
|
||||||
|
class Meta:
|
||||||
|
""" Schema config """
|
||||||
|
model = models.Relay
|
||||||
|
load_instance = True
|
||||||
|
|
||||||
|
|
||||||
|
class MailuSchema(Schema):
|
||||||
|
""" Marshmallow schema for complete Mailu config """
|
||||||
|
class Meta:
|
||||||
|
""" Schema config """
|
||||||
|
render_module = RenderYAML
|
||||||
|
|
||||||
|
order = ['domain', 'user', 'alias', 'relay'] # 'config'
|
||||||
|
|
||||||
|
def __init__(self, *args, **kwargs):
|
||||||
|
super().__init__(*args, **kwargs)
|
||||||
|
# order dump_fields
|
||||||
|
for field in self.Meta.order:
|
||||||
|
if field in self.dump_fields:
|
||||||
|
self.dump_fields[field] = self.dump_fields.pop(field)
|
||||||
|
|
||||||
|
def _call_and_store(self, *args, **kwargs):
|
||||||
|
""" track current parent and field for pruning """
|
||||||
|
self.context.update({
|
||||||
|
'parent': self.context.get('config'),
|
||||||
|
'parent_field': kwargs['field_name'],
|
||||||
|
})
|
||||||
|
return super()._call_and_store(*args, **kwargs)
|
||||||
|
|
||||||
|
@pre_load
|
||||||
|
def _clear_config(self, data, many, **kwargs): # pylint: disable=unused-argument
|
||||||
|
""" create config object in context if missing
|
||||||
|
and clear it if requested
|
||||||
|
"""
|
||||||
|
if 'config' not in self.context:
|
||||||
|
self.context['config'] = models.MailuConfig()
|
||||||
|
if self.context.get('clear'):
|
||||||
|
self.context['config'].clear(
|
||||||
|
models = {field.nested.opts.model for field in self.fields.values()}
|
||||||
|
)
|
||||||
|
return data
|
||||||
|
|
||||||
|
@post_load
|
||||||
|
def _make_config(self, data, many, **kwargs): # pylint: disable=unused-argument
|
||||||
|
""" update and return config object """
|
||||||
|
config = self.context['config']
|
||||||
|
for section in self.Meta.order:
|
||||||
|
if section in data:
|
||||||
|
config.update(data[section], section)
|
||||||
|
|
||||||
|
return config
|
||||||
|
|
||||||
|
domain = fields.Nested(DomainSchema, many=True)
|
||||||
|
user = fields.Nested(UserSchema, many=True)
|
||||||
|
alias = fields.Nested(AliasSchema, many=True)
|
||||||
|
relay = fields.Nested(RelaySchema, many=True)
|
||||||
|
# config = fields.Nested(ConfigSchema, many=True)
|
||||||
@ -1 +1 @@
|
|||||||
Added cli command config-dump and enhanced config-update
|
Add cli commands config-import and config-export
|
||||||
|
|||||||
Loading…
Reference in New Issue