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Overview

This node operation removes a specific permission from a given role within a system that manages roles and permissions. It is useful in scenarios where you need to revoke certain access rights or capabilities previously granted to a role, ensuring that users assigned to that role no longer have the specified permission.

Practical examples include:

  • Revoking "edit" permission from a "content editor" role.
  • Removing "admin" privileges from a temporary role after a project ends.
  • Adjusting access control dynamically based on organizational changes.

Properties

Name Meaning
Role ID The unique identifier of the role from which the permission will be removed.
Permission Name The name of the permission to remove from the specified role.

Output

The output of this operation typically contains the full HTTP response from the API call that performs the removal of the permission. This response may include status codes and messages indicating success or failure of the operation. There is no binary data output for this operation.

Dependencies

  • Requires an API key credential for authentication with the external service managing roles and permissions.
  • The node sends an HTTP DELETE request to an endpoint structured as /roles/{role_id}/permissions/{permission_name}.
  • Proper configuration of the base URL and authentication credentials in n8n is necessary.

Troubleshooting

  • Common Issues:

    • Invalid or missing Role ID or Permission Name parameters.
    • Insufficient permissions of the API key to modify roles.
    • Network connectivity issues or incorrect base URL configuration.
    • Attempting to remove a permission that does not exist on the role.
  • Error Messages:

    • 404 Not Found: The specified role or permission does not exist. Verify the Role ID and Permission Name.
    • 401 Unauthorized: Authentication failed. Check the API key credentials.
    • 403 Forbidden: The API key lacks permission to modify roles. Ensure the API key has appropriate rights.
    • 400 Bad Request: Parameters are invalid or missing. Confirm all required inputs are provided correctly.
  • Resolution Tips:

    • Double-check input values for correctness.
    • Ensure the API key used has sufficient privileges.
    • Verify network and endpoint configurations.
    • Consult API documentation for permission management rules.

Links and References

  • Refer to your system's API documentation for roles and permissions management endpoints.
  • General REST API best practices for DELETE operations.
  • n8n documentation on setting up API credentials and HTTP request nodes.

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