122 lines
4.0 KiB
Python
122 lines
4.0 KiB
Python
# Copyright 2021 99cloud
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import annotations
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from typing import List
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from oslo_policy import _parser # type: ignore
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from oslo_policy.policy import DocumentedRuleDefault, RuleDefault # type: ignore
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from skyline_policy_manager.schema import Operation, OperationsSchema, ScopeTypesSchema
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class Rule:
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def __init__(
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self,
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name: str,
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check_str: str,
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description: str,
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basic_check_str: str = "",
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) -> None:
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self.name = name
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self.check_str = check_str
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self.check = _parser.parse_rule(self.check_str)
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self.description = description or "No description"
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self.basic_check_str = basic_check_str or self.check_str
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self.basic_check = _parser.parse_rule(self.basic_check_str)
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def __str__(self) -> str:
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return f'"{self.name}": "{self.check_str}"'
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def __repr__(self) -> str:
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return f"{self.__class__.__qualname__}(name='{self.name}', check_str='{self.check_str}')"
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def __eq__(self, other: object) -> bool:
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if isinstance(other, Rule) and isinstance(self, Rule):
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return (self.name, self.check_str) == (other.name, other.check_str)
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return False
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def format_into_yaml(self) -> str:
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desc = f"# {self.description}\n"
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text = f"{desc}{str(self)}\n\n"
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return text
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@classmethod
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def from_oslo(cls, rule: RuleDefault):
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description = rule.description or ""
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description = description.replace("\n", "\n#")
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return cls(name=rule.name, check_str=rule.check_str, description=description)
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class APIRule(Rule):
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def __init__(
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self,
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name: str,
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check_str: str,
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description: str,
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scope_types: List[str],
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operations: List[Operation],
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basic_check_str: str = "",
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) -> None:
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super().__init__(name, check_str, description, basic_check_str)
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ScopeTypesSchema.parse_obj(scope_types)
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self.scope_types = scope_types
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OperationsSchema.parse_obj(operations)
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self.operations = operations
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def format_into_yaml(self) -> str:
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op_list = [
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f'# {operation.get("method"):8}{operation.get("path")}\n'
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for operation in self.operations
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]
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op = "".join(op_list)
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scope = f"# Intended scope(s): {self.scope_types}\n"
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desc = f"# {self.description}\n"
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text = f"{desc}{op}{scope}{str(self)}\n\n"
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return text
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@classmethod
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def from_oslo(cls, rule: DocumentedRuleDefault):
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description = rule.description or ""
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description = description.replace("\n", "\n#")
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if isinstance(rule.scope_types, list):
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scope_types = [item for item in rule.scope_types]
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else:
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scope_types = ["project"]
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operations = []
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for operation in rule.operations:
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method = operation.get("method")
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if isinstance(method, list):
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for i in method:
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operations.append(Operation(method=i.upper(), path=operation.get("path", "")))
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elif isinstance(method, str):
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operations.append(
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Operation(method=method.upper(), path=operation.get("path", "")),
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)
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else:
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operations.append(Operation(method="GET", path=operation.get("path", "")))
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return cls(
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name=rule.name,
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check_str=rule.check_str,
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description=description,
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scope_types=scope_types,
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operations=operations,
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)
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