127 lines
4.0 KiB
Python
127 lines
4.0 KiB
Python
from __future__ import annotations
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import os
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import sys
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from importlib import import_module
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from pathlib import Path
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from typing import (
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TYPE_CHECKING,
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Any,
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Callable,
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Dict,
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Optional,
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Type,
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Union,
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cast,
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)
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from sanic.http.tls.creators import CertCreator, MkcertCreator, TrustmeCreator
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if TYPE_CHECKING:
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from sanic import Sanic as SanicApp
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class AppLoader:
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def __init__(
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self,
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module_input: str = "",
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as_factory: bool = False,
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as_simple: bool = False,
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args: Any = None,
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factory: Optional[Callable[[], SanicApp]] = None,
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) -> None:
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self.module_input = module_input
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self.module_name = ""
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self.app_name = ""
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self.as_factory = as_factory
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self.as_simple = as_simple
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self.args = args
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self.factory = factory
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self.cwd = os.getcwd()
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if module_input:
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delimiter = ":" if ":" in module_input else "."
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if module_input.count(delimiter):
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module_name, app_name = module_input.rsplit(delimiter, 1)
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self.module_name = module_name
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self.app_name = app_name
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if self.app_name.endswith("()"):
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self.as_factory = True
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self.app_name = self.app_name[:-2]
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def load(self) -> SanicApp:
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module_path = os.path.abspath(self.cwd)
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if module_path not in sys.path:
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sys.path.append(module_path)
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if self.factory:
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return self.factory()
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else:
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from sanic.app import Sanic
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from sanic.simple import create_simple_server
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if self.as_simple:
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path = Path(self.module_input)
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app = create_simple_server(path)
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else:
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if self.module_name == "" and os.path.isdir(self.module_input):
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raise ValueError(
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"App not found.\n"
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" Please use --simple if you are passing a "
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"directory to sanic.\n"
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f" eg. sanic {self.module_input} --simple"
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)
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module = import_module(self.module_name)
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app = getattr(module, self.app_name, None)
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if self.as_factory:
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try:
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app = app(self.args)
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except TypeError:
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app = app()
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app_type_name = type(app).__name__
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if (
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not isinstance(app, Sanic)
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and self.args
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and hasattr(self.args, "module")
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):
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if callable(app):
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solution = f"sanic {self.args.module} --factory"
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raise ValueError(
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"Module is not a Sanic app, it is a "
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f"{app_type_name}\n"
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" If this callable returns a "
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f"Sanic instance try: \n{solution}"
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)
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raise ValueError(
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f"Module is not a Sanic app, it is a {app_type_name}\n"
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f" Perhaps you meant {self.args.module}:app?"
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)
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return app
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class CertLoader:
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_creator_class: Type[CertCreator]
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def __init__(self, ssl_data: Dict[str, Union[str, os.PathLike]]):
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creator_name = ssl_data.get("creator")
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if creator_name not in ("mkcert", "trustme"):
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raise RuntimeError(f"Unknown certificate creator: {creator_name}")
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elif creator_name == "mkcert":
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self._creator_class = MkcertCreator
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elif creator_name == "trustme":
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self._creator_class = TrustmeCreator
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self._key = ssl_data["key"]
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self._cert = ssl_data["cert"]
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self._localhost = cast(str, ssl_data["localhost"])
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def load(self, app: SanicApp):
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creator = self._creator_class(app, self._key, self._cert)
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return creator.generate_cert(self._localhost)
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