two version of R2R are here HEAD master

1 files changed, 423 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/fastapi/security/http.py b/.venv/lib/python3.12/site-packages/fastapi/security/http.py
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+import binascii
+from base64 import b64decode
+from typing import Optional
+
+from fastapi.exceptions import HTTPException
+from fastapi.openapi.models import HTTPBase as HTTPBaseModel
+from fastapi.openapi.models import HTTPBearer as HTTPBearerModel
+from fastapi.security.base import SecurityBase
+from fastapi.security.utils import get_authorization_scheme_param
+from pydantic import BaseModel
+from starlette.requests import Request
+from starlette.status import HTTP_401_UNAUTHORIZED, HTTP_403_FORBIDDEN
+from typing_extensions import Annotated, Doc
+
+
+class HTTPBasicCredentials(BaseModel):
+    """
+    The HTTP Basic credentials given as the result of using `HTTPBasic` in a
+    dependency.
+
+    Read more about it in the
+    [FastAPI docs for HTTP Basic Auth](https://fastapi.tiangolo.com/advanced/security/http-basic-auth/).
+    """
+
+    username: Annotated[str, Doc("The HTTP Basic username.")]
+    password: Annotated[str, Doc("The HTTP Basic password.")]
+
+
+class HTTPAuthorizationCredentials(BaseModel):
+    """
+    The HTTP authorization credentials in the result of using `HTTPBearer` or
+    `HTTPDigest` in a dependency.
+
+    The HTTP authorization header value is split by the first space.
+
+    The first part is the `scheme`, the second part is the `credentials`.
+
+    For example, in an HTTP Bearer token scheme, the client will send a header
+    like:
+
+    ```
+    Authorization: Bearer deadbeef12346
+    ```
+
+    In this case:
+
+    * `scheme` will have the value `"Bearer"`
+    * `credentials` will have the value `"deadbeef12346"`
+    """
+
+    scheme: Annotated[
+        str,
+        Doc(
+            """
+            The HTTP authorization scheme extracted from the header value.
+            """
+        ),
+    ]
+    credentials: Annotated[
+        str,
+        Doc(
+            """
+            The HTTP authorization credentials extracted from the header value.
+            """
+        ),
+    ]
+
+
+class HTTPBase(SecurityBase):
+    def __init__(
+        self,
+        *,
+        scheme: str,
+        scheme_name: Optional[str] = None,
+        description: Optional[str] = None,
+        auto_error: bool = True,
+    ):
+        self.model = HTTPBaseModel(scheme=scheme, description=description)
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(
+        self, request: Request
+    ) -> Optional[HTTPAuthorizationCredentials]:
+        authorization = request.headers.get("Authorization")
+        scheme, credentials = get_authorization_scheme_param(authorization)
+        if not (authorization and scheme and credentials):
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN, detail="Not authenticated"
+                )
+            else:
+                return None
+        return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials)
+
+
+class HTTPBasic(HTTPBase):
+    """
+    HTTP Basic authentication.
+
+    ## Usage
+
+    Create an instance object and use that object as the dependency in `Depends()`.
+
+    The dependency result will be an `HTTPBasicCredentials` object containing the
+    `username` and the `password`.
+
+    Read more about it in the
+    [FastAPI docs for HTTP Basic Auth](https://fastapi.tiangolo.com/advanced/security/http-basic-auth/).
+
+    ## Example
+
+    ```python
+    from typing import Annotated
+
+    from fastapi import Depends, FastAPI
+    from fastapi.security import HTTPBasic, HTTPBasicCredentials
+
+    app = FastAPI()
+
+    security = HTTPBasic()
+
+
+    @app.get("/users/me")
+    def read_current_user(credentials: Annotated[HTTPBasicCredentials, Depends(security)]):
+        return {"username": credentials.username, "password": credentials.password}
+    ```
+    """
+
+    def __init__(
+        self,
+        *,
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        realm: Annotated[
+            Optional[str],
+            Doc(
+                """
+                HTTP Basic authentication realm.
+                """
+            ),
+        ] = 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 HTTP Basic authentication is not provided (a
+                header), `HTTPBasic` will automatically cancel the request and send the
+                client an error.
+
+                If `auto_error` is set to `False`, when the HTTP Basic authentication
+                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 HTTP Basic
+                authentication or in an HTTP Bearer token).
+                """
+            ),
+        ] = True,
+    ):
+        self.model = HTTPBaseModel(scheme="basic", description=description)
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.realm = realm
+        self.auto_error = auto_error
+
+    async def __call__(  # type: ignore
+        self, request: Request
+    ) -> Optional[HTTPBasicCredentials]:
+        authorization = request.headers.get("Authorization")
+        scheme, param = get_authorization_scheme_param(authorization)
+        if self.realm:
+            unauthorized_headers = {"WWW-Authenticate": f'Basic realm="{self.realm}"'}
+        else:
+            unauthorized_headers = {"WWW-Authenticate": "Basic"}
+        if not authorization or scheme.lower() != "basic":
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_401_UNAUTHORIZED,
+                    detail="Not authenticated",
+                    headers=unauthorized_headers,
+                )
+            else:
+                return None
+        invalid_user_credentials_exc = HTTPException(
+            status_code=HTTP_401_UNAUTHORIZED,
+            detail="Invalid authentication credentials",
+            headers=unauthorized_headers,
+        )
+        try:
+            data = b64decode(param).decode("ascii")
+        except (ValueError, UnicodeDecodeError, binascii.Error):
+            raise invalid_user_credentials_exc  # noqa: B904
+        username, separator, password = data.partition(":")
+        if not separator:
+            raise invalid_user_credentials_exc
+        return HTTPBasicCredentials(username=username, password=password)
+
+
+class HTTPBearer(HTTPBase):
+    """
+    HTTP Bearer token authentication.
+
+    ## Usage
+
+    Create an instance object and use that object as the dependency in `Depends()`.
+
+    The dependency result will be an `HTTPAuthorizationCredentials` object containing
+    the `scheme` and the `credentials`.
+
+    ## Example
+
+    ```python
+    from typing import Annotated
+
+    from fastapi import Depends, FastAPI
+    from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
+
+    app = FastAPI()
+
+    security = HTTPBearer()
+
+
+    @app.get("/users/me")
+    def read_current_user(
+        credentials: Annotated[HTTPAuthorizationCredentials, Depends(security)]
+    ):
+        return {"scheme": credentials.scheme, "credentials": credentials.credentials}
+    ```
+    """
+
+    def __init__(
+        self,
+        *,
+        bearerFormat: Annotated[Optional[str], Doc("Bearer token format.")] = None,
+        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 HTTP Bearer token is not provided (in an
+                `Authorization` header), `HTTPBearer` will automatically cancel the
+                request and send the client an error.
+
+                If `auto_error` is set to `False`, when the HTTP Bearer token
+                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 an HTTP
+                Bearer token or in a cookie).
+                """
+            ),
+        ] = True,
+    ):
+        self.model = HTTPBearerModel(bearerFormat=bearerFormat, description=description)
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(
+        self, request: Request
+    ) -> Optional[HTTPAuthorizationCredentials]:
+        authorization = request.headers.get("Authorization")
+        scheme, credentials = get_authorization_scheme_param(authorization)
+        if not (authorization and scheme and credentials):
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN, detail="Not authenticated"
+                )
+            else:
+                return None
+        if scheme.lower() != "bearer":
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN,
+                    detail="Invalid authentication credentials",
+                )
+            else:
+                return None
+        return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials)
+
+
+class HTTPDigest(HTTPBase):
+    """
+    HTTP Digest authentication.
+
+    ## Usage
+
+    Create an instance object and use that object as the dependency in `Depends()`.
+
+    The dependency result will be an `HTTPAuthorizationCredentials` object containing
+    the `scheme` and the `credentials`.
+
+    ## Example
+
+    ```python
+    from typing import Annotated
+
+    from fastapi import Depends, FastAPI
+    from fastapi.security import HTTPAuthorizationCredentials, HTTPDigest
+
+    app = FastAPI()
+
+    security = HTTPDigest()
+
+
+    @app.get("/users/me")
+    def read_current_user(
+        credentials: Annotated[HTTPAuthorizationCredentials, Depends(security)]
+    ):
+        return {"scheme": credentials.scheme, "credentials": credentials.credentials}
+    ```
+    """
+
+    def __init__(
+        self,
+        *,
+        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 HTTP Digest is not provided, `HTTPDigest` will
+                automatically cancel the request and send the client an error.
+
+                If `auto_error` is set to `False`, when the HTTP Digest 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 HTTP
+                Digest or in a cookie).
+                """
+            ),
+        ] = True,
+    ):
+        self.model = HTTPBaseModel(scheme="digest", description=description)
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(
+        self, request: Request
+    ) -> Optional[HTTPAuthorizationCredentials]:
+        authorization = request.headers.get("Authorization")
+        scheme, credentials = get_authorization_scheme_param(authorization)
+        if not (authorization and scheme and credentials):
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN, detail="Not authenticated"
+                )
+            else:
+                return None
+        if scheme.lower() != "digest":
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN,
+                    detail="Invalid authentication credentials",
+                )
+            else:
+                return None
+        return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials)