Role-Based Access Validation | Dataford Interview Questions

Write a function to validate user access based on role and permissions at The University of Massachusetts Amherst.

The function receives a role name, role definitions with inherited roles and direct permissions, and required permissions. Return True only when every required permission is available through the role hierarchy; return False for an unknown role or unknown inherited role.

Signature: def validate_user_access(role, roles, required_permissions):

Constraints

1 <= len(roles) <= 10^4
Each role definition has inherits and permissions arrays
Role names and permission names are non-empty strings
The inheritance graph is intended to be acyclic
Return False if the requested role or any inherited role is undefined
The required permissions list may be empty

Function Signature

def validate_user_access(role, roles, required_permissions):

Your question is Role-Based Access Validation. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

Write a function to validate user access based on role and permissions at The University of Massachusetts Amherst.

Signature: def validate_user_access(role, roles, required_permissions):

Constraints

1 <= len(roles) <= 10^4
Each role definition has inherits and permissions arrays
Role names and permission names are non-empty strings
The inheritance graph is intended to be acyclic
Return False if the requested role or any inherited role is undefined
The required permissions list may be empty

Function Signature

def validate_user_access(role, roles, required_permissions):

Your question is Role-Based Access Validation. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.