OpenAccess MCP

"""Policy-related exceptions for OpenAccess MCP.""" class PolicyError(Exception): """Base class for policy-related errors.""" pass class PolicyViolationError(PolicyError): """Raised when a policy violation is detected.""" def __init__(self, message: str, details: dict = None): super().__init__(message) self.details = details or {} class PolicyConfigurationError(PolicyError): """Raised when there's an error in policy configuration.""" pass class PolicyEvaluationError(PolicyError): """Raised when there's an error evaluating a policy.""" pass class ChangeTicketRequiredError(PolicyError): """Raised when a change ticket is required but not provided.""" def __init__(self, operation: str, ticket_type: str = "change"): message = f"Change ticket required for operation: {operation}" super().__init__(message) self.operation = operation self.ticket_type = ticket_type class RoleAccessDeniedError(PolicyError): """Raised when access is denied due to insufficient roles.""" def __init__(self, required_roles: list, user_roles: list): message = f"Access denied. Required roles: {required_roles}, User roles: {user_roles}" super().__init__(message) self.required_roles = required_roles self.user_roles = user_roles class CommandNotAllowedError(PolicyError): """Raised when a command is not allowed by policy.""" def __init__(self, command: str, reason: str = "Command not in allowlist"): message = f"Command not allowed: {command}. Reason: {reason}" super().__init__(message) self.command = command self.reason = reason class SudoDeniedError(PolicyError): """Raised when sudo is denied by policy.""" def __init__(self, command: str): message = f"Sudo denied for command: {command}" super().__init__(message) self.command = command class SessionLimitExceededError(PolicyError): """Raised when session limits are exceeded.""" def __init__(self, limit_type: str, current: int, maximum: int): message = f"Session limit exceeded: {limit_type} ({current}/{maximum})" super().__init__(message) self.limit_type = limit_type self.current = current self.maximum = maximum