llama-stack-mirror/tests/unit/server/test_oauth2_integration.py
2025-07-17 11:55:51 -04:00

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Python

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
"""
Integration tests for OAuth2 scope-based authentication.
These tests verify the end-to-end flow of OAuth2 scope validation
from JWT token parsing to API access decisions.
"""
import pytest
from unittest.mock import AsyncMock, MagicMock, patch
from llama_stack.distribution.server.oauth2_scopes import get_required_scopes_for_api
from llama_stack.distribution.server.auth import extract_api_from_path
from llama_stack.distribution.datatypes import User
def get_user_scopes(user: User) -> set[str]:
"""Safely extract scopes from user attributes"""
if user.attributes and "scopes" in user.attributes:
return set(user.attributes["scopes"])
return set()
class TestOAuth2IntegrationFlow:
"""Test the complete OAuth2 scope validation flow"""
def test_inference_api_access_flow(self):
"""Test complete flow for inference API access"""
# 1. Extract API from path
api_name, method = extract_api_from_path("/v1/inference/chat-completion")
assert api_name == "inference"
# 2. Get required scopes for this API
required_scopes = get_required_scopes_for_api(api_name, method)
assert "llama:inference" in required_scopes
assert "llama:admin" in required_scopes
# 3. Test user with correct scope
user_with_inference = User(
principal="user1",
attributes={"scopes": ["llama:inference"]}
)
user_scopes = set(user_with_inference.attributes["scopes"]) if user_with_inference.attributes else set()
assert user_scopes.intersection(required_scopes) # Should have access
# 4. Test user without correct scope
user_without_inference = User(
principal="user2",
attributes={"scopes": ["llama:models:read"]}
)
user_scopes = set(user_without_inference.attributes["scopes"])
assert not user_scopes.intersection(required_scopes) # Should NOT have access
def test_models_api_read_write_flow(self):
"""Test complete flow for models API with read/write distinction"""
# Test read operation
api_name, method = extract_api_from_path("/v1/models")
read_required = get_required_scopes_for_api(api_name, "GET")
# Test write operation
write_required = get_required_scopes_for_api(api_name, "POST")
# User with only read access
read_user = User(
principal="read_user",
attributes={"scopes": ["llama:models:read"]}
)
read_scopes = set(read_user.attributes["scopes"])
# Should have read access
assert read_scopes.intersection(read_required)
# Should NOT have write access
assert not read_scopes.intersection(write_required)
# User with write access
write_user = User(
principal="write_user",
attributes={"scopes": ["llama:models:write"]}
)
write_scopes = set(write_user.attributes["scopes"])
# Should have write access
assert write_scopes.intersection(write_required)
# Should NOT have read access (write doesn't imply read)
assert not write_scopes.intersection(read_required)
def test_admin_scope_universal_access(self):
"""Test that admin scope grants access to all APIs"""
admin_user = User(
principal="admin",
attributes={"scopes": ["llama:admin"]}
)
admin_scopes = set(admin_user.attributes["scopes"])
# Test various API endpoints
test_cases = [
("/v1/inference/chat-completion", "POST"),
("/v1/models", "GET"),
("/v1/models/my-model", "DELETE"),
("/v1/agents/session", "POST"),
("/v1/tools/execute", "POST"),
("/v1/vector_dbs/query", "POST"),
("/v1/safety/shield", "POST"),
("/v1/eval/benchmark", "POST"),
]
for path, method in test_cases:
api_name, _ = extract_api_from_path(path)
required_scopes = get_required_scopes_for_api(api_name, method)
# Admin should always have access
assert admin_scopes.intersection(required_scopes), f"Admin denied access to {path}"
def test_multiple_scopes_user(self):
"""Test user with multiple scopes"""
multi_scope_user = User(
principal="power_user",
attributes={
"scopes": [
"llama:inference",
"llama:models:read",
"llama:agents:write",
"llama:tools"
]
}
)
user_scopes = set(multi_scope_user.attributes["scopes"])
# Test various access scenarios
access_tests = [
("/v1/inference/chat-completion", "POST", True), # Has inference
("/v1/models", "GET", True), # Has models:read
("/v1/models", "POST", False), # Doesn't have models:write
("/v1/agents/session", "POST", True), # Has agents:write
("/v1/agents", "GET", False), # Doesn't have agents:read
("/v1/tools/execute", "POST", True), # Has tools
("/v1/vector_dbs/query", "GET", False), # Doesn't have vector_dbs:read
("/v1/safety/shield", "POST", False), # Doesn't have safety
]
for path, method, should_have_access in access_tests:
api_name, _ = extract_api_from_path(path)
required_scopes = get_required_scopes_for_api(api_name, method)
has_access = bool(user_scopes.intersection(required_scopes))
assert has_access == should_have_access, (
f"Access mismatch for {path} {method}: "
f"expected {should_have_access}, got {has_access}"
)
def test_openai_compatibility_scope_flow(self):
"""Test OAuth2 scope validation for OpenAI compatibility endpoints"""
# OpenAI endpoints should map to inference API
openai_paths = [
"/v1/openai/v1/chat/completions",
"/v1/openai/v1/completions",
"/v1/openai/v1/embeddings",
]
inference_user = User(
principal="openai_user",
attributes={"scopes": ["llama:inference"]}
)
user_scopes = set(inference_user.attributes["scopes"])
for path in openai_paths:
api_name, method = extract_api_from_path(path)
assert api_name == "inference"
required_scopes = get_required_scopes_for_api(api_name, method)
assert user_scopes.intersection(required_scopes), f"No access to {path}"
def test_scope_validation_error_scenarios(self):
"""Test error scenarios in scope validation"""
# User with no scopes
no_scope_user = User(principal="no_scope", attributes={})
api_name, method = extract_api_from_path("/v1/inference/chat-completion")
required_scopes = get_required_scopes_for_api(api_name, method)
# Should not have access
user_scopes = set()
assert not user_scopes.intersection(required_scopes)
# User with empty scopes list
empty_scope_user = User(
principal="empty_scope",
attributes={"scopes": []}
)
user_scopes = set(empty_scope_user.attributes["scopes"])
assert not user_scopes.intersection(required_scopes)
# User with invalid scopes
invalid_scope_user = User(
principal="invalid_scope",
attributes={"scopes": ["invalid:scope", "another:invalid"]}
)
user_scopes = set(invalid_scope_user.attributes["scopes"])
assert not user_scopes.intersection(required_scopes)
class TestScopeBasedAccessMatrix:
"""Test access matrix for different user types and API combinations"""
def test_data_scientist_access_pattern(self):
"""Test typical data scientist access pattern"""
data_scientist = User(
principal="data_scientist",
attributes={
"scopes": [
"llama:inference",
"llama:models:read",
"llama:eval",
"llama:safety"
]
}
)
user_scopes = set(data_scientist.attributes["scopes"])
# Should have access to
allowed_apis = [
("inference", "POST"), # Run inference
("models", "GET"), # List/inspect models
("eval", "POST"), # Run evaluations
("safety", "POST"), # Use safety shields
]
for api, method in allowed_apis:
required = get_required_scopes_for_api(api, method)
assert user_scopes.intersection(required), f"Data scientist denied {api} {method}"
# Should NOT have access to
denied_apis = [
("models", "POST"), # Cannot register models
("agents", "POST"), # Cannot create agents
("tools", "POST"), # Cannot use tools
("vector_dbs", "GET"), # Cannot access vector DBs
]
for api, method in denied_apis:
required = get_required_scopes_for_api(api, method)
assert not user_scopes.intersection(required), f"Data scientist allowed {api} {method}"
def test_ml_engineer_access_pattern(self):
"""Test typical ML engineer access pattern"""
ml_engineer = User(
principal="ml_engineer",
attributes={
"scopes": [
"llama:inference",
"llama:models:read",
"llama:models:write",
"llama:agents:read",
"llama:agents:write",
"llama:tools",
"llama:eval"
]
}
)
user_scopes = set(ml_engineer.attributes["scopes"])
# Should have broad access except admin-only operations
allowed_apis = [
("inference", "POST"),
("models", "GET"),
("models", "POST"),
("agents", "GET"),
("agents", "POST"),
("tools", "POST"),
("eval", "POST"),
]
for api, method in allowed_apis:
required = get_required_scopes_for_api(api, method)
assert user_scopes.intersection(required), f"ML engineer denied {api} {method}"
def test_application_developer_access_pattern(self):
"""Test typical application developer access pattern"""
app_developer = User(
principal="app_developer",
attributes={
"scopes": [
"llama:inference",
"llama:agents:read",
"llama:agents:write",
"llama:tools",
"llama:safety"
]
}
)
user_scopes = set(app_developer.attributes["scopes"])
# Should focus on application-building APIs
allowed_apis = [
("inference", "POST"), # Use models for apps
("agents", "GET"), # Inspect agents
("agents", "POST"), # Create agent sessions
("tools", "POST"), # Execute tools
("safety", "POST"), # Apply safety
]
for api, method in allowed_apis:
required = get_required_scopes_for_api(api, method)
assert user_scopes.intersection(required), f"App developer denied {api} {method}"
# Should NOT have model or eval management access
denied_apis = [
("models", "POST"), # Cannot manage models
("eval", "POST"), # Cannot run evaluations
("vector_dbs", "POST"), # Cannot manage vector DBs
]
for api, method in denied_apis:
required = get_required_scopes_for_api(api, method)
assert not user_scopes.intersection(required), f"App developer allowed {api} {method}"
class TestScopeHierarchyAndSeparation:
"""Test that scopes are properly separated and don't grant unintended access"""
def test_read_write_separation(self):
"""Test that read scopes don't grant write access and vice versa"""
read_only_apis = ["models", "agents", "vector_dbs"]
for api in read_only_apis:
# User with only read scope
read_user = User(
principal=f"{api}_reader",
attributes={"scopes": [f"llama:{api}:read"]}
)
read_scopes = set(read_user.attributes["scopes"])
# User with only write scope
write_user = User(
principal=f"{api}_writer",
attributes={"scopes": [f"llama:{api}:write"]}
)
write_scopes = set(write_user.attributes["scopes"])
# Read user should only have read access
read_required = get_required_scopes_for_api(api, "GET")
write_required = get_required_scopes_for_api(api, "POST")
assert read_scopes.intersection(read_required), f"Read user denied read access to {api}"
assert not read_scopes.intersection(write_required), f"Read user granted write access to {api}"
# Write user should only have write access
assert write_scopes.intersection(write_required), f"Write user denied write access to {api}"
assert not write_scopes.intersection(read_required), f"Write user granted read access to {api}"
def test_api_isolation(self):
"""Test that API scopes don't grant access to other APIs"""
api_scopes = [
"llama:inference",
"llama:models:read",
"llama:agents:write",
"llama:tools",
"llama:vector_dbs:read",
"llama:safety",
"llama:eval"
]
for scope in api_scopes:
user = User(
principal=f"single_scope_user",
attributes={"scopes": [scope]}
)
user_scopes = set(user.attributes["scopes"])
# Test that this scope only grants access to its intended API
test_apis = [
("inference", "POST"),
("models", "GET"),
("models", "POST"),
("agents", "GET"),
("agents", "POST"),
("tools", "POST"),
("vector_dbs", "GET"),
("vector_dbs", "POST"),
("safety", "POST"),
("eval", "POST")
]
access_count = 0
for api, method in test_apis:
required = get_required_scopes_for_api(api, method)
if user_scopes.intersection(required):
access_count += 1
# Should only have access to 1-2 endpoints (the intended API)
# Allow 2 for APIs that have both read and write variants
assert access_count <= 2, f"Scope {scope} grants too broad access ({access_count} APIs)"
assert access_count >= 1, f"Scope {scope} grants no access"
if __name__ == "__main__":
pytest.main([__file__])