refactor files filters/outputs
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This commit is contained in:
Dmitry Belyaev 2024-03-02 18:18:28 +03:00
parent 4d13416222
commit 30d0270901
Signed by: b4tman
GPG Key ID: 41A00BF15EA7E5F3
2 changed files with 98 additions and 49 deletions

View File

@ -1,4 +1,3 @@
import asyncio
import hashlib
import json
import aiofiles
@ -7,7 +6,41 @@ from os.path import isfile
from pddnsc.base import BaseFilterProvider
class StateHashFilter(BaseFilterProvider):
class GenericTextFileFilter(BaseFilterProvider):
def post_init(self):
super().post_init()
self.filepath = self.config["filepath"]
self.encoding = self.config.get("encoding", "utf-8")
self.mode = self.config.get("mode", "r")
self.check_ipv4 = self.config.get("check_ipv4", False)
self.check_ipv6 = self.config.get("check_ipv6", False)
if "check_ipv4" not in self.config and "check_ipv4" not in self.config:
self.check_ipv4 = self.check_ipv6 = True
self.content = ""
async def read(self) -> str:
async with aiofiles.open(
self.filepath, mode=self.mode, encoding=self.encoding
) as f:
self.content = await f.read()
async def check_imp(self, source_provider: str, addr_v4: str, addr_v6: str) -> bool:
lst = []
if self.check_ipv4:
lst.append(addr_v4)
if self.check_ipv4:
lst.append(addr_v6)
new_content = "\n".join(lst)
return new_content == self.content
async def check(self, source_provider: str, addr_v4: str, addr_v6: str) -> bool:
if not isfile(self.filepath):
return True
await self.read()
return await self.check_imp(source_provider, addr_v4, addr_v6)
class StateHashFilter(GenericTextFileFilter):
"""Проверка на то что хотябы один IP адрес изменился по хешу сохраненному в файле
Конфигурация:
@ -16,20 +49,14 @@ class StateHashFilter(BaseFilterProvider):
"""
async def check_imp(self, source_provider: str, addr_v4: str, addr_v6: str) -> bool:
if not isfile(self.config["filepath"]):
return True
new_state_str = (addr_v4 or "") + (addr_v6 or "")
new_sha = hashlib.sha256(new_state_str.encode(encoding="utf-8"))
async with aiofiles.open(
self.config["filepath"], mode="r", encoding="utf-8"
) as f:
old_state_hash = await f.read()
return old_state_hash != new_sha.hexdigest()
new_state_str = (self.check_ipv4 and addr_v4 or "") + (
self.check_ipv6 and addr_v6 or ""
)
new_sha = hashlib.sha256(new_state_str.encode(encoding=self.encoding))
return self.content != new_sha.hexdigest()
class StateFileFilter(BaseFilterProvider):
class StateFileFilter(GenericTextFileFilter):
"""Проверка на то что хотябы один IP адрес изменился по сравнению с данными в json файле
Конфигурация:
@ -42,28 +69,19 @@ class StateFileFilter(BaseFilterProvider):
"""
async def check_imp(self, source_provider: str, addr_v4: str, addr_v6: str) -> bool:
if not isfile(self.config["filepath"]):
return True
new_state = {
"ipv4": addr_v4,
"ipv6": addr_v6,
}
async with aiofiles.open(
self.config["filepath"], mode="r", encoding="utf-8"
) as f:
old_state = json.loads(await f.read())
new_state = {}
if self.check_ipv4:
new_state["ipv4"] = addr_v4 or ""
if self.check_ipv6:
new_state["ipv6"] = addr_v6 or ""
old_state = json.loads(self.content)
result = True
if "check_ipv4" not in self.config and "check_ipv4" not in self.config:
return new_state != old_state
if self.config.get("check_ipv4", False):
if self.check_ipv4:
result = result and new_state["ipv4"] != old_state["ipv4"]
if self.config.get("check_ipv6", False):
if self.check_ipv6:
result = result and new_state["ipv6"] != old_state["ipv6"]
return result

View File

@ -5,7 +5,42 @@ import hashlib
from pddnsc.base import BaseOutputProvider
class StateFile(BaseOutputProvider):
class GenericTextFile(BaseOutputProvider):
def post_init(self):
super().post_init()
self.filepath = self.config["filepath"]
self.encoding = self.config.get("encoding", "utf-8")
self.mode = self.config.get("mode", "w")
self.save_ipv4 = self.config.get("save_ipv4", False)
self.save_ipv6 = self.config.get("save_ipv6", False)
if "save_ipv4" not in self.config and "save_ipv4" not in self.config:
self.save_ipv4 = self.save_ipv6 = True
self.content = ""
async def read(self):
async with aiofiles.open(self.filepath, mode="r", encoding=self.encoding) as f:
self.content = await f.read()
def set_content(self, ipv4: str, ipv6: str):
lst = []
if self.save_ipv4:
lst.append(ipv4)
if self.save_ipv6:
lst.append(ipv6)
self.content = "\n".join(lst)
async def write(self):
async with aiofiles.open(
self.filepath, mode=self.mode, encoding=self.encoding
) as f:
await f.write(self.content)
async def set_addrs_imp(self, source_provider: str, addr_v4: str, addr_v6: str):
await self.set_content(addr_v4, addr_v6)
await self.write()
class StateFile(GenericTextFile):
"""Схранение всех IP адресов в json файл
Конфигурация:
@ -13,19 +48,16 @@ class StateFile(BaseOutputProvider):
- filepath: имя файла
"""
async def set_addrs_imp(self, source_provider: str, addr_v4: str, addr_v6: str):
state = {
"ipv4": addr_v4 or "",
"ipv6": addr_v6 or "",
}
state_str = json.dumps(state)
async with aiofiles.open(
self.config["filepath"], mode="w", encoding="utf-8"
) as f:
await f.write(state_str)
async def set_content(self, addr_v4: str, addr_v6: str):
state = {}
if self.save_ipv4:
state["ipv4"] = addr_v4 or ""
if self.save_ipv6:
state["ipv6"] = addr_v6 or ""
self.content = json.dumps(state)
class StateHashFile(BaseOutputProvider):
class StateHashFile(GenericTextFile):
"""Сохранение хеша от всех IP адресов в файл
Конфигурация:
@ -33,10 +65,9 @@ class StateHashFile(BaseOutputProvider):
- filepath: имя файла
"""
async def set_addrs_imp(self, source_provider: str, addr_v4: str, addr_v6: str):
state_str = (addr_v4 or "") + (addr_v6 or "")
async def set_content(self, addr_v4: str, addr_v6: str):
state_str = (self.save_ipv4 and addr_v4 or "") + (
self.save_ipv6 and addr_v6 or ""
)
sha = hashlib.sha256(state_str.encode(encoding="utf-8"))
async with aiofiles.open(
self.config["filepath"], mode="w", encoding="utf-8"
) as f:
await f.write(sha.hexdigest())
self.content = sha.hexdigest()