Support concatenated callables in RenderCallbackRule (#544)

Co-authored-by: Matt Glaman <nmd.matt@gmail.com>

src/Rules/Drupal/RenderCallbackRule.php

@@ -153,10 +153,18 @@ private function doProcessNode(Node\Expr $node, Scope $scope, string $keyChecked
                 )->line($errorLine)
                     ->tip('Change record: https://www.drupal.org/node/2966725.')
                     ->build();
-            } elseif (!$trustedCallbackType->isSuperTypeOf($type)->yes()) {
-                $errors[] = RuleErrorBuilder::message(
-                    sprintf("%s callback class %s at key '%s' does not implement Drupal\Core\Security\TrustedCallbackInterface.", $keyChecked, $constantStringType->describe(VerbosityLevel::value()), $pos)
-                )->line($errorLine)->tip('Change record: https://www.drupal.org/node/2966725.')->build();
+            } else {
+                // @see \PHPStan\Type\Constant\ConstantStringType::isCallable
+                preg_match('#^([a-zA-Z_\\x7f-\\xff\\\\][a-zA-Z0-9_\\x7f-\\xff\\\\]*)::([a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*)\\z#', $constantStringType->getValue(), $matches);
+                if (count($matches) === 0) {
+                    $errors[] = RuleErrorBuilder::message(
+                        sprintf("%s callback %s at key '%s' is not callable.", $keyChecked, $constantStringType->describe(VerbosityLevel::value()), $pos)
+                    )->line($errorLine)->build();
+                } elseif (!$trustedCallbackType->isSuperTypeOf(new ObjectType($matches[1]))->yes()) {
+                    $errors[] = RuleErrorBuilder::message(
+                        sprintf("%s callback class %s at key '%s' does not implement Drupal\Core\Security\TrustedCallbackInterface.", $keyChecked, $constantStringType->describe(VerbosityLevel::value()), $pos)
+                    )->line($errorLine)->tip('Change record: https://www.drupal.org/node/2966725.')->build();
+                }
             }
         }
 

tests/src/Rules/RenderCallbackRuleTest.php

@@ -158,6 +158,11 @@ public static function fileData(): \Generator
                 ],
             ];
         }
+
+        yield [
+            __DIR__ . '/data/bug-543.php',
+            []
+        ];
     }
 
 

tests/src/Rules/data/bug-543.php

@@ -0,0 +1,105 @@
+<?php
+
+namespace Bug543;
+
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Security\TrustedCallbackInterface;
+
+/**
+ * Code snippets from \Drupal\Tests\Core\Render\RendererTest.
+ */
+class TestClass {
+
+    /**
+     * Provides a list of both booleans.
+     *
+     * @return array
+     */
+    public function providerAccessValues() {
+        return [
+            [FALSE],
+            [TRUE],
+            [AccessResult::forbidden()],
+            [AccessResult::allowed()],
+        ];
+    }
+
+    /**
+     * @dataProvider providerAccessValues
+     */
+    public function testRenderWithAccessControllerResolved($access) {
+
+        switch ($access) {
+            case AccessResult::allowed():
+                $method = 'accessResultAllowed';
+                break;
+
+            case AccessResult::forbidden():
+                $method = 'accessResultForbidden';
+                break;
+
+            case FALSE:
+                $method = 'accessFalse';
+                break;
+
+            case TRUE:
+                $method = 'accessTrue';
+                break;
+        }
+
+        $build = [
+            '#access_callback' => TestAccessClass::class . '::' . $method,
+        ];
+    }
+
+    public function bug543AccessResultAllowed(): void {
+        $build = [
+            '#access_callback' => TestAccessClass::class . '::accessResultAllowed',
+        ];
+    }
+
+    public function bug543AccessResultForbidden(): void {
+        $build = [
+            '#access_callback' => TestAccessClass::class . '::accessResultForbidden',
+        ];
+    }
+
+    public function bug543AccessFalse(): void {
+        $build = [
+            '#access_callback' => TestAccessClass::class . '::accessFalse',
+        ];
+    }
+
+    public function bug543AccessTrue(): void {
+        $build = [
+            '#access_callback' => TestAccessClass::class . '::accessTrue',
+        ];
+    }
+}
+
+class TestAccessClass implements TrustedCallbackInterface {
+
+    public static function accessTrue() {
+        return TRUE;
+    }
+
+    public static function accessFalse() {
+        return FALSE;
+    }
+
+    public static function accessResultAllowed() {
+        return AccessResult::allowed();
+    }
+
+    public static function accessResultForbidden() {
+        return AccessResult::forbidden();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public static function trustedCallbacks() {
+        return ['accessTrue', 'accessFalse', 'accessResultAllowed', 'accessResultForbidden'];
+    }
+
+}