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from __future__ import annotations
import re
from dataclasses import dataclass
from typing import Any
from sec_certs.serialization.json import ComplexSerializableType
SAR_CLASS_MAPPING = {
"APE": "Protection Profile evaluation",
"ACE": "Protection Profile configuration evaluation",
"ASE": "Security Target evaluation",
"ADV": "Development",
"AGD": "Guidance documents",
"ALC": "Life-cycle support",
"ATE": "Tests",
"AVA": "Vulnerability assessment",
"ACO": "Composition",
}
SAR_CLASSES = set(SAR_CLASS_MAPPING)
SAR_DICT_KEY = "cc_sar"
@dataclass(frozen=True, eq=True)
class SAR(ComplexSerializableType):
family: str
level: int
@property
def assurance_class(self):
return SAR_CLASS_MAPPING.get(self.family.split("_")[0], None)
@classmethod
def from_string(cls, string: str) -> SAR:
if not cls.contains_level(string):
raise ValueError("SAR misses level integer")
if not cls.matches_re(string):
raise ValueError("SAR does not match any regular expression")
family = string.split(".")[0]
level = int(string.split(".")[1])
return cls(family, level)
@staticmethod
def contains_level(string: str) -> bool:
return len(string.split(".")) != 1
@staticmethod
def matches_re(string: str) -> bool:
return any(
re.match(sar_class + "(?:_[A-Z]{3,4}){1,2}(?:\\.[0-9]){0,2}", string) for sar_class in SAR_CLASS_MAPPING
)
def __lt__(self, other: Any) -> bool:
if not isinstance(other, SAR):
raise ValueError(f"cannot compare {type(other)} with SAR.")
return str(self) < str(other)
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