chore: initial snapshot for gitea/github upload
This commit is contained in:
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@@ -0,0 +1,451 @@
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"""
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Agent Permission Handler for LiteLLM Proxy.
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Handles agent permission checking for keys and teams using object_permission_id.
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Follows the same pattern as MCP permission handling.
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"""
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from typing import List, Optional, Set
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from litellm._logging import verbose_logger
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from litellm.proxy._types import (
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LiteLLM_ObjectPermissionTable,
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LiteLLM_TeamTable,
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UI_TEAM_ID,
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UserAPIKeyAuth,
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)
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class AgentRequestHandler:
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"""
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Class to handle agent permission checking, including:
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1. Key-level agent permissions
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2. Team-level agent permissions
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3. Agent access group resolution
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Follows the same inheritance logic as MCP:
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- If team has restrictions and key has restrictions: use intersection
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- If team has restrictions and key has none: inherit from team
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- If team has no restrictions: use key restrictions
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- If no restrictions: allow all agents
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"""
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@staticmethod
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async def get_allowed_agents(
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user_api_key_auth: Optional[UserAPIKeyAuth] = None,
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) -> List[str]:
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"""
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Get list of allowed agent IDs for the given user/key based on permissions.
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Returns:
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List[str]: List of allowed agent IDs. Empty list means no restrictions (allow all).
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"""
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try:
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allowed_agents: List[str] = []
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allowed_agents_for_key = (
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await AgentRequestHandler._get_allowed_agents_for_key(user_api_key_auth)
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)
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allowed_agents_for_team = (
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await AgentRequestHandler._get_allowed_agents_for_team(
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user_api_key_auth
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)
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)
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# If team has agent restrictions, handle inheritance and intersection logic
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if len(allowed_agents_for_team) > 0:
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if len(allowed_agents_for_key) > 0:
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# Key has its own agent permissions - use intersection with team permissions
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for agent_id in allowed_agents_for_key:
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if agent_id in allowed_agents_for_team:
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allowed_agents.append(agent_id)
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else:
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# Key has no agent permissions - inherit from team
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allowed_agents = allowed_agents_for_team
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else:
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allowed_agents = allowed_agents_for_key
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return list(set(allowed_agents))
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except Exception as e:
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verbose_logger.warning(f"Failed to get allowed agents: {str(e)}")
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return []
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@staticmethod
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async def is_agent_allowed(
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agent_id: str,
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user_api_key_auth: Optional[UserAPIKeyAuth] = None,
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) -> bool:
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"""
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Check if a specific agent is allowed for the given user/key.
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Args:
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agent_id: The agent ID to check
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user_api_key_auth: User authentication info
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Returns:
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bool: True if agent is allowed, False otherwise
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"""
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allowed_agents = await AgentRequestHandler.get_allowed_agents(user_api_key_auth)
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# Empty list means no restrictions - allow all
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if len(allowed_agents) == 0:
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return True
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return agent_id in allowed_agents
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@staticmethod
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def _get_key_object_permission(
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user_api_key_auth: Optional[UserAPIKeyAuth] = None,
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) -> Optional[LiteLLM_ObjectPermissionTable]:
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"""
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Get key object_permission - already loaded by get_key_object() in main auth flow.
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Note: object_permission is automatically populated when the key is fetched via
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get_key_object() in litellm/proxy/auth/auth_checks.py
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"""
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if not user_api_key_auth:
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return None
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return user_api_key_auth.object_permission
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@staticmethod
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async def _get_team_object_permission(
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user_api_key_auth: Optional[UserAPIKeyAuth] = None,
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) -> Optional[LiteLLM_ObjectPermissionTable]:
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"""
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Get team object_permission - automatically loaded by get_team_object() in main auth flow.
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Note: object_permission is automatically populated when the team is fetched via
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get_team_object() in litellm/proxy/auth/auth_checks.py
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"""
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from litellm.proxy.auth.auth_checks import get_team_object
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from litellm.proxy.proxy_server import (
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prisma_client,
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proxy_logging_obj,
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user_api_key_cache,
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)
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if not user_api_key_auth or not user_api_key_auth.team_id or not prisma_client:
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return None
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# Get the team object (which has object_permission already loaded)
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team_obj: Optional[LiteLLM_TeamTable] = await get_team_object(
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team_id=user_api_key_auth.team_id,
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prisma_client=prisma_client,
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user_api_key_cache=user_api_key_cache,
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parent_otel_span=user_api_key_auth.parent_otel_span,
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proxy_logging_obj=proxy_logging_obj,
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)
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if not team_obj:
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return None
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return team_obj.object_permission
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@staticmethod
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async def _get_allowed_agents_for_key(
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user_api_key_auth: Optional[UserAPIKeyAuth] = None,
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) -> List[str]:
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"""
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Get allowed agents for a key.
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1. First checks native key-level agent permissions (object_permission)
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2. Also includes agents from key's access_group_ids (unified access groups)
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Note: object_permission is already loaded by get_key_object() in main auth flow.
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"""
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if user_api_key_auth is None:
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return []
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try:
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all_agents: List[str] = []
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# 1. Get agents from object_permission (native permissions)
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key_object_permission = AgentRequestHandler._get_key_object_permission(
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user_api_key_auth
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)
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if key_object_permission is not None:
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# Get direct agents
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direct_agents = key_object_permission.agents or []
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# Get agents from access groups
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access_group_agents = (
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await AgentRequestHandler._get_agents_from_access_groups(
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key_object_permission.agent_access_groups or []
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)
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)
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all_agents = direct_agents + access_group_agents
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# 2. Fallback: get agent IDs from key's access_group_ids (unified access groups)
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key_access_group_ids = user_api_key_auth.access_group_ids or []
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if key_access_group_ids:
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from litellm.proxy.auth.auth_checks import (
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_get_agent_ids_from_access_groups,
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)
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unified_agents = await _get_agent_ids_from_access_groups(
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access_group_ids=key_access_group_ids,
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)
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all_agents.extend(unified_agents)
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return list(set(all_agents))
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except Exception as e:
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verbose_logger.warning(f"Failed to get allowed agents for key: {str(e)}")
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return []
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@staticmethod
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async def _get_allowed_agents_for_team(
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user_api_key_auth: Optional[UserAPIKeyAuth] = None,
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) -> List[str]:
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"""
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Get allowed agents for a team.
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1. First checks native team-level agent permissions (object_permission)
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2. Also includes agents from team's access_group_ids (unified access groups)
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Fetches the team object once and reuses it for both permission sources.
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"""
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if user_api_key_auth is None:
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return []
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if user_api_key_auth.team_id is None:
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return []
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try:
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from litellm.proxy.auth.auth_checks import get_team_object
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from litellm.proxy.proxy_server import (
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prisma_client,
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proxy_logging_obj,
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user_api_key_cache,
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)
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if not prisma_client:
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return []
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# Fetch the team object once for both permission sources
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team_obj = await get_team_object(
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team_id=user_api_key_auth.team_id,
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prisma_client=prisma_client,
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user_api_key_cache=user_api_key_cache,
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parent_otel_span=user_api_key_auth.parent_otel_span,
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proxy_logging_obj=proxy_logging_obj,
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)
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if team_obj is None:
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return []
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all_agents: List[str] = []
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# 1. Get agents from object_permission (native permissions)
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object_permissions = team_obj.object_permission
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if object_permissions is not None:
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# Get direct agents
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direct_agents = object_permissions.agents or []
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# Get agents from access groups
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access_group_agents = (
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await AgentRequestHandler._get_agents_from_access_groups(
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object_permissions.agent_access_groups or []
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)
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)
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all_agents = direct_agents + access_group_agents
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# 2. Also include agents from team's access_group_ids (unified access groups)
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team_access_group_ids = team_obj.access_group_ids or []
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if team_access_group_ids:
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from litellm.proxy.auth.auth_checks import (
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_get_agent_ids_from_access_groups,
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)
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unified_agents = await _get_agent_ids_from_access_groups(
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access_group_ids=team_access_group_ids,
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)
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all_agents.extend(unified_agents)
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return list(set(all_agents))
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except Exception as e:
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# litellm-dashboard is the default UI team and will never have agents;
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# skip noisy warnings for it.
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if user_api_key_auth.team_id != UI_TEAM_ID:
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verbose_logger.warning(
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f"Failed to get allowed agents for team: {str(e)}"
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)
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return []
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@staticmethod
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def _get_config_agent_ids_for_access_groups(
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config_agents: List, access_groups: List[str]
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) -> Set[str]:
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"""
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Helper to get agent_ids from config-loaded agents that match any of the given access groups.
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"""
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server_ids: Set[str] = set()
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for agent in config_agents:
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agent_access_groups = getattr(agent, "agent_access_groups", None)
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if agent_access_groups:
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if any(group in agent_access_groups for group in access_groups):
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server_ids.add(agent.agent_id)
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return server_ids
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@staticmethod
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async def _get_db_agent_ids_for_access_groups(
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prisma_client, access_groups: List[str]
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) -> Set[str]:
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"""
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Helper to get agent_ids from DB agents that match any of the given access groups.
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"""
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agent_ids: Set[str] = set()
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if access_groups and prisma_client is not None:
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try:
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agents = await prisma_client.db.litellm_agentstable.find_many(
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where={"agent_access_groups": {"hasSome": access_groups}}
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)
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for agent in agents:
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agent_ids.add(agent.agent_id)
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except Exception as e:
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verbose_logger.debug(f"Error getting agents from access groups: {e}")
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return agent_ids
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@staticmethod
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async def _get_agents_from_access_groups(
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access_groups: List[str],
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) -> List[str]:
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"""
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Resolve agent access groups to agent IDs by querying BOTH the agent table (DB) AND config-loaded agents.
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"""
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from litellm.proxy.agent_endpoints.agent_registry import global_agent_registry
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from litellm.proxy.proxy_server import prisma_client
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try:
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# Use the helper for config-loaded agents
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agent_ids = AgentRequestHandler._get_config_agent_ids_for_access_groups(
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global_agent_registry.agent_list, access_groups
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)
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# Use the helper for DB agents
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db_agent_ids = (
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await AgentRequestHandler._get_db_agent_ids_for_access_groups(
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prisma_client, access_groups
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)
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)
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agent_ids.update(db_agent_ids)
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return list(agent_ids)
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except Exception as e:
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verbose_logger.warning(f"Failed to get agents from access groups: {str(e)}")
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return []
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@staticmethod
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async def get_agent_access_groups(
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user_api_key_auth: Optional[UserAPIKeyAuth] = None,
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) -> List[str]:
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"""
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Get list of agent access groups for the given user/key based on permissions.
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"""
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access_groups: List[str] = []
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access_groups_for_key = (
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await AgentRequestHandler._get_agent_access_groups_for_key(
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user_api_key_auth
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)
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)
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access_groups_for_team = (
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await AgentRequestHandler._get_agent_access_groups_for_team(
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user_api_key_auth
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)
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)
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# If team has access groups, then key must have a subset of the team's access groups
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if len(access_groups_for_team) > 0:
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for access_group in access_groups_for_key:
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if access_group in access_groups_for_team:
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access_groups.append(access_group)
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else:
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access_groups = access_groups_for_key
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return list(set(access_groups))
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@staticmethod
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async def _get_agent_access_groups_for_key(
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user_api_key_auth: Optional[UserAPIKeyAuth] = None,
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) -> List[str]:
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"""Get agent access groups for the key."""
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from litellm.proxy.auth.auth_checks import get_object_permission
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from litellm.proxy.proxy_server import (
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prisma_client,
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proxy_logging_obj,
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user_api_key_cache,
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)
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if user_api_key_auth is None:
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return []
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if user_api_key_auth.object_permission_id is None:
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return []
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if prisma_client is None:
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verbose_logger.debug("prisma_client is None")
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return []
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try:
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key_object_permission = await get_object_permission(
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object_permission_id=user_api_key_auth.object_permission_id,
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prisma_client=prisma_client,
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user_api_key_cache=user_api_key_cache,
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parent_otel_span=user_api_key_auth.parent_otel_span,
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proxy_logging_obj=proxy_logging_obj,
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)
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if key_object_permission is None:
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return []
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return key_object_permission.agent_access_groups or []
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except Exception as e:
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verbose_logger.warning(
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f"Failed to get agent access groups for key: {str(e)}"
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)
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return []
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@staticmethod
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async def _get_agent_access_groups_for_team(
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user_api_key_auth: Optional[UserAPIKeyAuth] = None,
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) -> List[str]:
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"""Get agent access groups for the team."""
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from litellm.proxy.auth.auth_checks import get_team_object
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from litellm.proxy.proxy_server import (
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prisma_client,
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proxy_logging_obj,
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user_api_key_cache,
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)
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if user_api_key_auth is None:
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return []
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if user_api_key_auth.team_id is None:
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return []
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if prisma_client is None:
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verbose_logger.debug("prisma_client is None")
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return []
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try:
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team_obj: Optional[LiteLLM_TeamTable] = await get_team_object(
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team_id=user_api_key_auth.team_id,
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prisma_client=prisma_client,
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user_api_key_cache=user_api_key_cache,
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parent_otel_span=user_api_key_auth.parent_otel_span,
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proxy_logging_obj=proxy_logging_obj,
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)
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if team_obj is None:
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verbose_logger.debug("team_obj is None")
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return []
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object_permissions = team_obj.object_permission
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if object_permissions is None:
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return []
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return object_permissions.agent_access_groups or []
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except Exception as e:
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verbose_logger.warning(
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f"Failed to get agent access groups for team: {str(e)}"
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)
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return []
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