csrd-auth
Pluggable JWT authentication for FastAPI — authenticators, key providers, and dependency factories.
Tier 2 (bridge) — depends on csrd-models and csrd-context only.
Installation
pip install "csrd-auth @ git+https://github.com/csrd-api/fastapi-common.git#subdirectory=packages/auth"
Usage
from csrd.auth import (
JWTAuthenticator,
StaticKeyProvider,
create_bearer_dependency,
create_jwt_bearer,
)
Quick start — JWT bearer dependency
# Standalone (provide your own token_finder)
from csrd.auth import create_jwt_bearer
auth_dep = create_jwt_bearer(
key="your-secret",
token_finder=lambda: extract_token_from_request(),
)
When used with csrd.versioning, wire in find_token explicitly:
from csrd.auth import create_jwt_bearer
from csrd.versioning import find_token
auth_dep = create_jwt_bearer(key="your-secret", token_finder=find_token)
Authenticators
| Class | Strategy |
|---|---|
JWTAuthenticator |
Decode & verify JWT locally via PyJWT |
StaticAuthenticator |
Accept a fixed token (dev/testing) |
RemoteAuthenticator |
Validate via upstream HTTP endpoint |
CallbackAuthenticator |
Delegate to any sync/async callable |
ChainedAuthenticator |
Try multiple authenticators in order |
Key Providers
| Class | Strategy |
|---|---|
StaticKeyProvider |
Fixed string, bytes, or SecretStr |
EnvKeyProvider |
Read from app.state or settings loader |
JWKSKeyProvider |
Fetch from JWKS endpoint (cached with TTL) |
MultiKeyProvider |
Route by kid header or try all |
CallbackKeyProvider |
Delegate to any callable |
Protocols
Authenticator—(Request, str) -> UserClaimsKeyProvider—(token_headers, app) -> key
Both are @runtime_checkable protocols.
Dependency Tier
Tier 1 csrd.models csrd.lifespan csrd.context
Tier 2 csrd.auth csrd.logging csrd.delegate csrd.repository csrd.service
Tier 3 csrd.versioning
csrd.auth depends only on csrd.models (for UserClaims) and csrd.context (for user_info_context). It has no dependency on csrd.versioning.
1 maintainer
Metadata
1 maintainer
Release files for csrd-auth 0.5.30
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