Liran Tal • 11/11/2012

Implementing user-specific, role-based access control per node type, per group. (Part 1)

This article is the first part of a deep dive into implementing a sophisticated access control system in Drupal. It explains how to manage node view permissions based on a user's role, which can vary across different groups. The post details Drupal's default node access workflow, the limitations of core hooks, and the critical role of the `db_rewrite_sql()` function and the node_access table in enforcing permissions during both node loads and database queries.

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#permissions #Access Control #Role Based Access Control