Interpret the gids in the node access table
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #205317. -->
Reported by: [salvis](https://www.drupal.org/user/82964)
>>>
<p>The <i>node_access entries for nodes shown on this page</i> table shows realms and gids, but you don't know what they mean.</p>
<p>I'd like to propose adding a column <i>interpreted</i> and a hook_node_access_interpret($realm, $gid, $nid), so that cooperating access control modules can supply the interpretations of their gids. The patch to devel_node_access.module is attached and it should apply for D5 and D6.</p>
<!--break--><p>This would, for example, allow ACL to implement the following:</p>
<div class="codeblock">
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br></span><span style="color: #FF8000">/**<br> * Implementation of hook_node_access_interpret<br> */<br></span><span style="color: #007700">function </span><span style="color: #0000BB">acl_node_access_interpret</span><span style="color: #007700">(</span><span style="color: #0000BB">$realm</span><span style="color: #007700">, </span><span style="color: #0000BB">$gid</span><span style="color: #007700">, </span><span style="color: #0000BB">$nid</span><span style="color: #007700">) {<br> if (</span><span style="color: #0000BB">$realm </span><span style="color: #007700">== </span><span style="color: #DD0000">'acl'</span><span style="color: #007700">) {<br> </span><span style="color: #0000BB">$acl </span><span style="color: #007700">= </span><span style="color: #0000BB">db_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">db_query</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT * from {acl} WHERE acl_id = %d"</span><span style="color: #007700">, </span><span style="color: #0000BB">$gid</span><span style="color: #007700">));<br> </span><span style="color: #0000BB">$return </span><span style="color: #007700">= </span><span style="color: #0000BB">$acl</span><span style="color: #007700">-></span><span style="color: #0000BB">module </span><span style="color: #007700">.</span><span style="color: #DD0000">'/'</span><span style="color: #007700">. </span><span style="color: #0000BB">$acl</span><span style="color: #007700">-></span><span style="color: #0000BB">name</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">db_query</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT u.name FROM {acl_user} au, {users} u WHERE au.acl_id = %d AND au.uid = u.uid"</span><span style="color: #007700">, </span><span style="color: #0000BB">$gid</span><span style="color: #007700">);<br> while (</span><span style="color: #0000BB">$user </span><span style="color: #007700">= </span><span style="color: #0000BB">db_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">)) {<br> </span><span style="color: #0000BB">$users</span><span style="color: #007700">[] = </span><span style="color: #0000BB">$user</span><span style="color: #007700">-></span><span style="color: #0000BB">name</span><span style="color: #007700">;<br> }<br> if (</span><span style="color: #0000BB">$users</span><span style="color: #007700">) {<br> </span><span style="color: #0000BB">$return </span><span style="color: #007700">.= </span><span style="color: #DD0000">': '</span><span style="color: #007700">. </span><span style="color: #0000BB">implode</span><span style="color: #007700">(</span><span style="color: #DD0000">', '</span><span style="color: #007700">, </span><span style="color: #0000BB">$users</span><span style="color: #007700">);<br> }<br> return </span><span style="color: #0000BB">$return</span><span style="color: #007700">;<br> }<br>}<br></span><span style="color: #0000BB">?></span></span></pre></div>
<p>and devel_node_access could show something like</p>
<p>realm: acl<br>
gid: 28<br>
interpreted: forum_access/2: z7a, z7b</p>
<p>Then you'll know with minimal knowledge of Forum Access, that this record is for the users z7a and z7b in forum/2, which is a lot better than just "acl 28".</p>
<p>If my proposal is accepted, I'll implement the hook right away in ACL, Forum Access and Image Gallery Access, of course, and I'll add caching.</p>
>>> [!note] Pre-migration files
- [devel\_node\_access.interpret.patch](https://www.drupal.org/files/issues/devel_node_access.interpret.patch)
>>>
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