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