git subrepo commit (merge) mailcow/src/mailcow-dockerized
subrepo: subdir: "mailcow/src/mailcow-dockerized"
merged: "32243e56"
upstream: origin: "https://github.com/mailcow/mailcow-dockerized.git"
branch: "master"
commit: "e2b4b6f6"
git-subrepo: version: "0.4.3"
origin: "???"
commit: "???"
Change-Id: I51e2016ef5ab88a8b0bdc08551b18f48ceef0aa5
diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/twig/twig/src/NodeVisitor/SafeAnalysisNodeVisitor.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/twig/twig/src/NodeVisitor/SafeAnalysisNodeVisitor.php
new file mode 100644
index 0000000..90d6f2e
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/twig/twig/src/NodeVisitor/SafeAnalysisNodeVisitor.php
@@ -0,0 +1,160 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Twig\NodeVisitor;
+
+use Twig\Environment;
+use Twig\Node\Expression\BlockReferenceExpression;
+use Twig\Node\Expression\ConditionalExpression;
+use Twig\Node\Expression\ConstantExpression;
+use Twig\Node\Expression\FilterExpression;
+use Twig\Node\Expression\FunctionExpression;
+use Twig\Node\Expression\GetAttrExpression;
+use Twig\Node\Expression\MethodCallExpression;
+use Twig\Node\Expression\NameExpression;
+use Twig\Node\Expression\ParentExpression;
+use Twig\Node\Node;
+
+/**
+ * @internal
+ */
+final class SafeAnalysisNodeVisitor implements NodeVisitorInterface
+{
+ private $data = [];
+ private $safeVars = [];
+
+ public function setSafeVars(array $safeVars): void
+ {
+ $this->safeVars = $safeVars;
+ }
+
+ public function getSafe(Node $node)
+ {
+ $hash = spl_object_hash($node);
+ if (!isset($this->data[$hash])) {
+ return;
+ }
+
+ foreach ($this->data[$hash] as $bucket) {
+ if ($bucket['key'] !== $node) {
+ continue;
+ }
+
+ if (\in_array('html_attr', $bucket['value'])) {
+ $bucket['value'][] = 'html';
+ }
+
+ return $bucket['value'];
+ }
+ }
+
+ private function setSafe(Node $node, array $safe): void
+ {
+ $hash = spl_object_hash($node);
+ if (isset($this->data[$hash])) {
+ foreach ($this->data[$hash] as &$bucket) {
+ if ($bucket['key'] === $node) {
+ $bucket['value'] = $safe;
+
+ return;
+ }
+ }
+ }
+ $this->data[$hash][] = [
+ 'key' => $node,
+ 'value' => $safe,
+ ];
+ }
+
+ public function enterNode(Node $node, Environment $env): Node
+ {
+ return $node;
+ }
+
+ public function leaveNode(Node $node, Environment $env): ?Node
+ {
+ if ($node instanceof ConstantExpression) {
+ // constants are marked safe for all
+ $this->setSafe($node, ['all']);
+ } elseif ($node instanceof BlockReferenceExpression) {
+ // blocks are safe by definition
+ $this->setSafe($node, ['all']);
+ } elseif ($node instanceof ParentExpression) {
+ // parent block is safe by definition
+ $this->setSafe($node, ['all']);
+ } elseif ($node instanceof ConditionalExpression) {
+ // intersect safeness of both operands
+ $safe = $this->intersectSafe($this->getSafe($node->getNode('expr2')), $this->getSafe($node->getNode('expr3')));
+ $this->setSafe($node, $safe);
+ } elseif ($node instanceof FilterExpression) {
+ // filter expression is safe when the filter is safe
+ $name = $node->getNode('filter')->getAttribute('value');
+ $args = $node->getNode('arguments');
+ if ($filter = $env->getFilter($name)) {
+ $safe = $filter->getSafe($args);
+ if (null === $safe) {
+ $safe = $this->intersectSafe($this->getSafe($node->getNode('node')), $filter->getPreservesSafety());
+ }
+ $this->setSafe($node, $safe);
+ } else {
+ $this->setSafe($node, []);
+ }
+ } elseif ($node instanceof FunctionExpression) {
+ // function expression is safe when the function is safe
+ $name = $node->getAttribute('name');
+ $args = $node->getNode('arguments');
+ if ($function = $env->getFunction($name)) {
+ $this->setSafe($node, $function->getSafe($args));
+ } else {
+ $this->setSafe($node, []);
+ }
+ } elseif ($node instanceof MethodCallExpression) {
+ if ($node->getAttribute('safe')) {
+ $this->setSafe($node, ['all']);
+ } else {
+ $this->setSafe($node, []);
+ }
+ } elseif ($node instanceof GetAttrExpression && $node->getNode('node') instanceof NameExpression) {
+ $name = $node->getNode('node')->getAttribute('name');
+ if (\in_array($name, $this->safeVars)) {
+ $this->setSafe($node, ['all']);
+ } else {
+ $this->setSafe($node, []);
+ }
+ } else {
+ $this->setSafe($node, []);
+ }
+
+ return $node;
+ }
+
+ private function intersectSafe(array $a = null, array $b = null): array
+ {
+ if (null === $a || null === $b) {
+ return [];
+ }
+
+ if (\in_array('all', $a)) {
+ return $b;
+ }
+
+ if (\in_array('all', $b)) {
+ return $a;
+ }
+
+ return array_intersect($a, $b);
+ }
+
+ public function getPriority(): int
+ {
+ return 0;
+ }
+}