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493 | class APIClient(Generic[A], APIMixin):
"""
The main class for interacting with the CTFd API
Parameters
----------
url : str | httpx.URL
The base URL of the CTFd instance
auth : BaseAuthStrategy | str | None
The authentication strategy to use. If a string is provided, it is assumed to be a token.
If `None` is provided, no authentication is used.
user_agent : str, optional
The user agent to use for requests, by default "CTFdPy/0.1.0"
follow_redirects : bool, optional
Whether to follow redirects, by default False
Attributes
----------
url : httpx.URL
The base URL of the CTFd instance
auth : BaseAuthStrategy
The authentication strategy to use
challenges : ChallengesAPI
Interface for interacting with the `/api/v1/challenges` CTFd API endpoint.
files : FilesAPI
Interface for interacting with the `/api/v1/files` CTFd API endpoint.
flags : FlagsAPI
Interface for interacting with the `/api/v1/flags` CTFd API endpoint.
hints : HintsAPI
Interface for interacting with the `/api/v1/hints` CTFd API endpoint.
tags : TagsAPI
Interface for interacting with the `/api/v1/tags` CTFd API endpoint.
topics : TopicsAPI
Interface for interacting with the `/api/v1/topics` CTFd API endpoint.
users : UsersAPI
Interface for interacting with the `/api/v1/users` CTFd API endpoint.
"""
@overload
def __init__(
self: APIClient[UnauthAuthStrategy],
url: str | httpx.URL,
auth: None = None,
*,
user_agent: str = "CTFdPy/0.1.0",
follow_redirects: bool = False,
): ...
@overload
def __init__(
self: APIClient[TokenAuthStrategy],
url: str | httpx.URL,
auth: str,
*,
user_agent: str = "CTFdPy/0.1.0",
follow_redirects: bool = False,
): ...
@overload
def __init__(
self: APIClient[AS],
url: str | httpx.URL,
auth: AS,
*,
user_agent: str = "CTFdPy/0.1.0",
follow_redirects: bool = False,
): ...
def __init__(
self,
url: str | httpx.URL,
auth: A | str | None = None,
*,
user_agent: str = "CTFdPy/0.1.0",
follow_redirects: bool = False,
):
if isinstance(auth, str):
auth = TokenAuthStrategy(auth)
elif auth is None:
auth = UnauthAuthStrategy()
self.auth: A = auth
self.url = httpx.URL(url)
self._user_agent = user_agent
self._follow_redirects = follow_redirects
self.__sync_client: ContextVar[httpx.Client | None] = ContextVar(
"sync_client", default=None
)
self.__async_client: ContextVar[httpx.AsyncClient | None] = ContextVar(
"async_client", default=None
)
super().__init__(self)
def _get_client_defaults(self) -> dict[str, str]:
auth_flow = None
if self.auth is not None:
auth_flow = self.auth.get_auth_flow(self)
headers = {"User-Agent": self._user_agent, "Content-Type": "application/json"}
return {
"auth": auth_flow,
"base_url": self.url,
"headers": headers,
"follow_redirects": self._follow_redirects,
}
def _create_sync_client(self) -> httpx.Client:
return httpx.Client(**self._get_client_defaults())
def get_sync_client(self) -> httpx.Client:
client = self.__sync_client.get()
if client is not None:
return client
else:
client = self._create_sync_client()
self.__sync_client.set(client)
return client
def close(self) -> None:
client = self.__sync_client.get()
if client is not None:
client.close()
self.__sync_client.set(None)
def __enter__(self) -> APIClient:
if self.__sync_client.get() is not None:
raise RuntimeError("Sync HTTP client already exists")
self.__sync_client.set(self._create_sync_client())
return self
def __exit__(
self,
exc_type: Type[BaseException] | None = None,
exc_value: BaseException | None = None,
traceback: TracebackType | None = None,
) -> None:
cast(httpx.Client, self.__sync_client.get()).close()
self.__sync_client.set(None)
def _create_async_client(self) -> httpx.AsyncClient:
return httpx.AsyncClient(**self._get_client_defaults())
def get_async_client(self) -> httpx.AsyncClient:
client = self.__async_client.get()
if client is not None:
return client
else:
client = self._create_async_client()
self.__async_client.set(client)
return client
async def aclose(self) -> None:
client = self.__async_client.get()
if client is not None:
await client.aclose()
self.__async_client.set(None)
async def __aenter__(self) -> APIClient:
if self.__async_client.get() is not None:
raise RuntimeError("Async HTTP client already exists")
self.__async_client.set(self._create_async_client())
return self
async def __aexit__(
self,
exc_type: Type[BaseException] | None = None,
exc_value: BaseException | None = None,
traceback: TracebackType | None = None,
) -> None:
await cast(httpx.AsyncClient, self.__async_client.get()).aclose()
self.__async_client.set(None)
def _request(
self,
method: str,
url: str | httpx.URL,
*,
params: QueryParamTypes | None = None,
content: RequestContent | None = None,
data: RequestData | None = None,
files: RequestFiles | None = None,
json: Any | None = None,
headers: HeaderTypes | None = None,
cookies: CookieTypes | None = None,
) -> httpx.Response:
client = self.get_sync_client()
try:
return client.request(
method,
url,
params=params,
content=content,
data=data,
files=files,
json=json,
headers=headers,
cookies=cookies,
)
except httpx.TimeoutException as e:
raise RequestTimeout(request=e.request) from e
except Exception as e:
raise CTFdpyException(repr(e)) from e
async def _arequest(
self,
method: str,
url: str | httpx.URL,
*,
params: QueryParamTypes | None = None,
content: RequestContent | None = None,
data: RequestData | None = None,
files: RequestFiles | None = None,
json: Any | None = None,
headers: HeaderTypes | None = None,
cookies: CookieTypes | None = None,
) -> httpx.Response:
client = self.get_async_client()
try:
return await client.request(
method,
url,
params=params,
content=content,
data=data,
files=files,
json=json,
headers=headers,
cookies=cookies,
)
except httpx.TimeoutException as e:
raise RequestTimeout(request=e.request) from e
except Exception as e:
raise CTFdpyException(repr(e)) from e
@overload
def _handle_response(
self,
response: httpx.Response,
error_models: dict[str, APIResponseException] | None = None,
) -> bool | APIResponse: ...
@overload
def _handle_response(
self,
response: httpx.Response,
response_model: Type[T] | TypeAdapter[T] | Callable[[APIResponse], T],
error_models: dict[str, APIResponseException] | None = None,
) -> T: ...
def _handle_response(
self,
response: httpx.Response,
response_model: (
Type[T] | TypeAdapter[T] | Callable[[APIResponse], T] | None
) = None,
error_models: dict[str, APIResponseException] | None = None,
) -> T | bool | APIResponse:
if not response.is_success:
error_models = error_models or {}
status_code = response.status_code
# This is uh... not great
error_model = error_models.get(
status_code,
error_models.get(
f"{str(status_code)[0]}XX",
error_models.get("default", APIResponseException),
),
)
raise error_model(response=response)
response_data: APIResponse = response.json()
if response_model is None:
try:
return response_data["success"]
except KeyError:
return response_data
elif response_data.get("data") is None:
raise ValueError("Response data expected to have 'data' key")
if issubclass(response_model, BaseModel):
response_data = response_model.model_validate(response_data["data"])
elif isinstance(response_model, TypeAdapter):
response_data = response_model.validate_python(response_data["data"])
elif callable(response_model):
response_data = response_model(response_data)
else:
# This should never happen
raise ValueError("Invalid response model")
return response_data
@overload
def request(
self,
method: str,
url: str | httpx.URL,
*,
params: QueryParamTypes | None = None,
content: RequestContent | None = None,
data: RequestData | None = None,
files: RequestFiles | None = None,
json: Any | None = None,
headers: HeaderTypes | None = None,
cookies: CookieTypes | None = None,
error_models: dict[str, APIResponseException] | None = None,
) -> bool | APIResponse: ...
@overload
def request(
self,
method: str,
url: str | httpx.URL,
*,
response_model: Type[T] | TypeAdapter[T] | Callable[[APIResponse], T],
params: QueryParamTypes | None = None,
content: RequestContent | None = None,
data: RequestData | None = None,
files: RequestFiles | None = None,
json: Any | None = None,
headers: HeaderTypes | None = None,
cookies: CookieTypes | None = None,
error_models: dict[str, APIResponseException] | None = None,
) -> T: ...
def request(
self,
method: str,
url: str | httpx.URL,
*,
params: QueryParamTypes | None = None,
content: RequestContent | None = None,
data: RequestData | None = None,
files: RequestFiles | None = None,
json: Any | None = None,
headers: HeaderTypes | None = None,
cookies: CookieTypes | None = None,
response_model: (
Type[T] | TypeAdapter[T] | Callable[[APIResponse], T] | None
) = None,
error_models: dict[str, APIResponseException] | None = None,
) -> T | bool | APIResponse:
response = self._request(
method,
url,
params=params,
content=content,
data=data,
files=files,
json=json,
headers=headers,
cookies=cookies,
)
return self._handle_response(
response, response_model=response_model, error_models=error_models
)
@overload
async def arequest(
self,
method: str,
url: str | httpx.URL,
*,
params: QueryParamTypes | None = None,
content: RequestContent | None = None,
data: RequestData | None = None,
files: RequestFiles | None = None,
json: Any | None = None,
headers: HeaderTypes | None = None,
cookies: CookieTypes | None = None,
error_models: dict[str, APIResponseException] | None = None,
) -> bool | APIResponse: ...
@overload
async def arequest(
self,
method: str,
url: str | httpx.URL,
*,
response_model: Type[T] | TypeAdapter[T] | Callable[[APIResponse], T],
params: QueryParamTypes | None = None,
content: RequestContent | None = None,
data: RequestData | None = None,
files: RequestFiles | None = None,
json: Any | None = None,
headers: HeaderTypes | None = None,
cookies: CookieTypes | None = None,
error_models: dict[str, APIResponseException] | None = None,
) -> T: ...
async def arequest(
self,
method: str,
url: str | httpx.URL,
*,
params: QueryParamTypes | None = None,
content: RequestContent | None = None,
data: RequestData | None = None,
files: RequestFiles | None = None,
json: Any | None = None,
headers: HeaderTypes | None = None,
cookies: CookieTypes | None = None,
response_model: (
Type[T] | TypeAdapter[T] | Callable[[APIResponse], T] | None
) = None,
error_models: dict[str, APIResponseException] | None = None,
) -> T | bool | APIResponse:
response = await self._arequest(
method,
url,
params=params,
content=content,
data=data,
files=files,
json=json,
headers=headers,
cookies=cookies,
)
return self._handle_response(
response, response_model=response_model, error_models=error_models
)
@overload
def from_env(
cls: Type[APIClient[AS]],
*,
user_agent: str = "CTFdPy/0.1.0",
follow_redirects: bool = False,
) -> APIClient[AS]: ...
@classmethod
def from_env(cls: Type[APIClient[AS]], **kwargs) -> APIClient[AS]:
"""
Create an APIClient from environment variables
The following environment variables are used:
- `CTFD_URL`: The base URL of the CTFd instance
- `CTFD_TOKEN`: The token to use for authentication
- `CTFD_USERNAME`: The username to use for authentication
- `CTFD_PASSWORD`: The password to use for authentication
"""
url = os.getenv("CTFD_URL")
if url is None:
raise ValueError("CTFD_URL environment variable must be set")
auth = None
token = os.getenv("CTFD_TOKEN")
if token is not None:
auth = TokenAuthStrategy(token)
username = os.getenv("CTFD_USERNAME")
password = os.getenv("CTFD_PASSWORD")
if username is not None and password is not None and auth is None:
auth = CredentialAuthStrategy(username, password)
return cls(url, auth, **kwargs)
|