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author | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
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committer | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
commit | 4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch) | |
tree | ee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/fastapi/security/api_key.py | |
parent | cc961e04ba734dd72309fb548a2f97d67d578813 (diff) | |
download | gn-ai-4a52a71956a8d46fcb7294ac71734504bb09bcc2.tar.gz |
Diffstat (limited to '.venv/lib/python3.12/site-packages/fastapi/security/api_key.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/fastapi/security/api_key.py | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/fastapi/security/api_key.py b/.venv/lib/python3.12/site-packages/fastapi/security/api_key.py new file mode 100644 index 00000000..70c2dca8 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/fastapi/security/api_key.py @@ -0,0 +1,288 @@ +from typing import Optional + +from fastapi.openapi.models import APIKey, APIKeyIn +from fastapi.security.base import SecurityBase +from starlette.exceptions import HTTPException +from starlette.requests import Request +from starlette.status import HTTP_403_FORBIDDEN +from typing_extensions import Annotated, Doc + + +class APIKeyBase(SecurityBase): + @staticmethod + def check_api_key(api_key: Optional[str], auto_error: bool) -> Optional[str]: + if not api_key: + if auto_error: + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, detail="Not authenticated" + ) + return None + return api_key + + +class APIKeyQuery(APIKeyBase): + """ + API key authentication using a query parameter. + + This defines the name of the query parameter that should be provided in the request + with the API key and integrates that into the OpenAPI documentation. It extracts + the key value sent in the query parameter automatically and provides it as the + dependency result. But it doesn't define how to send that API key to the client. + + ## Usage + + Create an instance object and use that object as the dependency in `Depends()`. + + The dependency result will be a string containing the key value. + + ## Example + + ```python + from fastapi import Depends, FastAPI + from fastapi.security import APIKeyQuery + + app = FastAPI() + + query_scheme = APIKeyQuery(name="api_key") + + + @app.get("/items/") + async def read_items(api_key: str = Depends(query_scheme)): + return {"api_key": api_key} + ``` + """ + + def __init__( + self, + *, + name: Annotated[ + str, + Doc("Query parameter name."), + ], + scheme_name: Annotated[ + Optional[str], + Doc( + """ + Security scheme name. + + It will be included in the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + description: Annotated[ + Optional[str], + Doc( + """ + Security scheme description. + + It will be included in the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + auto_error: Annotated[ + bool, + Doc( + """ + By default, if the query parameter is not provided, `APIKeyQuery` will + automatically cancel the request and send the client an error. + + If `auto_error` is set to `False`, when the query parameter is not + available, instead of erroring out, the dependency result will be + `None`. + + This is useful when you want to have optional authentication. + + It is also useful when you want to have authentication that can be + provided in one of multiple optional ways (for example, in a query + parameter or in an HTTP Bearer token). + """ + ), + ] = True, + ): + self.model: APIKey = APIKey( + **{"in": APIKeyIn.query}, # type: ignore[arg-type] + name=name, + description=description, + ) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__(self, request: Request) -> Optional[str]: + api_key = request.query_params.get(self.model.name) + return self.check_api_key(api_key, self.auto_error) + + +class APIKeyHeader(APIKeyBase): + """ + API key authentication using a header. + + This defines the name of the header that should be provided in the request with + the API key and integrates that into the OpenAPI documentation. It extracts + the key value sent in the header automatically and provides it as the dependency + result. But it doesn't define how to send that key to the client. + + ## Usage + + Create an instance object and use that object as the dependency in `Depends()`. + + The dependency result will be a string containing the key value. + + ## Example + + ```python + from fastapi import Depends, FastAPI + from fastapi.security import APIKeyHeader + + app = FastAPI() + + header_scheme = APIKeyHeader(name="x-key") + + + @app.get("/items/") + async def read_items(key: str = Depends(header_scheme)): + return {"key": key} + ``` + """ + + def __init__( + self, + *, + name: Annotated[str, Doc("Header name.")], + scheme_name: Annotated[ + Optional[str], + Doc( + """ + Security scheme name. + + It will be included in the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + description: Annotated[ + Optional[str], + Doc( + """ + Security scheme description. + + It will be included in the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + auto_error: Annotated[ + bool, + Doc( + """ + By default, if the header is not provided, `APIKeyHeader` will + automatically cancel the request and send the client an error. + + If `auto_error` is set to `False`, when the header is not available, + instead of erroring out, the dependency result will be `None`. + + This is useful when you want to have optional authentication. + + It is also useful when you want to have authentication that can be + provided in one of multiple optional ways (for example, in a header or + in an HTTP Bearer token). + """ + ), + ] = True, + ): + self.model: APIKey = APIKey( + **{"in": APIKeyIn.header}, # type: ignore[arg-type] + name=name, + description=description, + ) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__(self, request: Request) -> Optional[str]: + api_key = request.headers.get(self.model.name) + return self.check_api_key(api_key, self.auto_error) + + +class APIKeyCookie(APIKeyBase): + """ + API key authentication using a cookie. + + This defines the name of the cookie that should be provided in the request with + the API key and integrates that into the OpenAPI documentation. It extracts + the key value sent in the cookie automatically and provides it as the dependency + result. But it doesn't define how to set that cookie. + + ## Usage + + Create an instance object and use that object as the dependency in `Depends()`. + + The dependency result will be a string containing the key value. + + ## Example + + ```python + from fastapi import Depends, FastAPI + from fastapi.security import APIKeyCookie + + app = FastAPI() + + cookie_scheme = APIKeyCookie(name="session") + + + @app.get("/items/") + async def read_items(session: str = Depends(cookie_scheme)): + return {"session": session} + ``` + """ + + def __init__( + self, + *, + name: Annotated[str, Doc("Cookie name.")], + scheme_name: Annotated[ + Optional[str], + Doc( + """ + Security scheme name. + + It will be included in the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + description: Annotated[ + Optional[str], + Doc( + """ + Security scheme description. + + It will be included in the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + auto_error: Annotated[ + bool, + Doc( + """ + By default, if the cookie is not provided, `APIKeyCookie` will + automatically cancel the request and send the client an error. + + If `auto_error` is set to `False`, when the cookie is not available, + instead of erroring out, the dependency result will be `None`. + + This is useful when you want to have optional authentication. + + It is also useful when you want to have authentication that can be + provided in one of multiple optional ways (for example, in a cookie or + in an HTTP Bearer token). + """ + ), + ] = True, + ): + self.model: APIKey = APIKey( + **{"in": APIKeyIn.cookie}, # type: ignore[arg-type] + name=name, + description=description, + ) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__(self, request: Request) -> Optional[str]: + api_key = request.cookies.get(self.model.name) + return self.check_api_key(api_key, self.auto_error) |