nrw-external-api - Add capability to access external libraries

Author: EJMFarrow

db/access.php

@@ -35,4 +35,14 @@
             'manager' => CAP_ALLOW,
         ],
     ],
+    // Users with this in the system context can use external question libraries.
+    'qtype/stack:useexternallibraries' => [
+        'captype' => 'write',
+        'contextlevel' => CONTEXT_SYSTEM,
+        'archetypes' => [
+            'editingteacher' => CAP_ALLOW,
+            'manager' => CAP_ALLOW,
+        ],
+        'clonepermissionsfrom' => 'moodle/question:add',
+    ],
 ];

lang/en/qtype_stack.php

@@ -51,6 +51,7 @@
 
 // Capability names.
 $string['stack:usediagnostictools'] = 'Use the STACK tools';
+$string['stack:useexternallibraries'] = 'Use external libraries';
 
 // Versions of STACK.
 $string['stackversionedited']     = 'This question was authored with STACK version {$a}.';

questionlibrary.php

@@ -120,6 +120,7 @@
         $cacheid = stack_question_library::STACKLIB;
     }
 } else if (str_starts_with($location, stack_question_library::GITHUB)) {
+    require_capability('qtype/stack:useexternallibraries', $thiscontext);
     $libparts = explode('/', $location);
     $librarytype = $libparts[0];
     $libraryid = $libparts[1];
@@ -134,6 +135,7 @@
         $externaldetail = $allowedlibraries->{$libraryid}->url;
     }
 } else if (str_starts_with($location, stack_question_library::NRWSEARCH)) {
+    require_capability('qtype/stack:useexternallibraries', $thiscontext);
     $cacheid = stack_question_library::NRWSEARCH;
     $libraryname = null;
     $external = stack_question_library::NRWSEARCH;

stack/maxima/stackmaxima.mac

@@ -3548,4 +3548,4 @@ is_lang(code):=ev(is(%_STACK_LANG=code),simp=true)$
 
 /* Stack expects some output with the version number the output happens at */
 /* maximalocal.mac after additional library loading */
-stackmaximaversion:2026042100$
+stackmaximaversion:2026042700$

version.php

@@ -24,7 +24,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2026042100;
+$plugin->version   = 2026042700;
 $plugin->requires  = 2022041900;
 $plugin->cron      = 0;
 $plugin->component = 'qtype_stack';