Security update for Core, with self-updated composer

[yaffs-website] / vendor / symfony / var-dumper / Caster / LinkStub.php

diff --git a/vendor/symfony/var-dumper/Caster/LinkStub.php b/vendor/symfony/var-dumper/Caster/LinkStub.php
new file mode 100644 (file)
index 0000000..24f360b
--- /dev/null
+++ b/vendor/symfony/var-dumper/Caster/LinkStub.php
@@ -0,0 +1,108 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+/**
+ * Represents a file or a URL.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class LinkStub extends ConstStub
+{
+    public $inVendor = false;
+
+    private static $vendorRoots;
+    private static $composerRoots;
+
+    public function __construct($label, $line = 0, $href = null)
+    {
+        $this->value = $label;
+
+        if (null === $href) {
+            $href = $label;
+        }
+        if (!is_string($href)) {
+            return;
+        }
+        if (0 === strpos($href, 'file://')) {
+            if ($href === $label) {
+                $label = substr($label, 7);
+            }
+            $href = substr($href, 7);
+        } elseif (false !== strpos($href, '://')) {
+            $this->attr['href'] = $href;
+
+            return;
+        }
+        if (!file_exists($href)) {
+            return;
+        }
+        if ($line) {
+            $this->attr['line'] = $line;
+        }
+        if ($label !== $this->attr['file'] = realpath($href) ?: $href) {
+            return;
+        }
+        if ($composerRoot = $this->getComposerRoot($href, $this->inVendor)) {
+            $this->attr['ellipsis'] = strlen($href) - strlen($composerRoot) + 1;
+            $this->attr['ellipsis-type'] = 'path';
+            $this->attr['ellipsis-tail'] = 1 + ($this->inVendor ? 2 + strlen(implode(array_slice(explode(DIRECTORY_SEPARATOR, substr($href, 1 - $this->attr['ellipsis'])), 0, 2))) : 0);
+        } elseif (3 < count($ellipsis = explode(DIRECTORY_SEPARATOR, $href))) {
+            $this->attr['ellipsis'] = 2 + strlen(implode(array_slice($ellipsis, -2)));
+            $this->attr['ellipsis-type'] = 'path';
+            $this->attr['ellipsis-tail'] = 1;
+        }
+    }
+
+    private function getComposerRoot($file, &$inVendor)
+    {
+        if (null === self::$vendorRoots) {
+            self::$vendorRoots = array();
+
+            foreach (get_declared_classes() as $class) {
+                if ('C' === $class[0] && 0 === strpos($class, 'ComposerAutoloaderInit')) {
+                    $r = new \ReflectionClass($class);
+                    $v = dirname(dirname($r->getFileName()));
+                    if (file_exists($v.'/composer/installed.json')) {
+                        self::$vendorRoots[] = $v.DIRECTORY_SEPARATOR;
+                    }
+                }
+            }
+        }
+        $inVendor = false;
+
+        if (isset(self::$composerRoots[$dir = dirname($file)])) {
+            return self::$composerRoots[$dir];
+        }
+
+        foreach (self::$vendorRoots as $root) {
+            if ($inVendor = 0 === strpos($file, $root)) {
+                return $root;
+            }
+        }
+
+        $parent = $dir;
+        while (!@file_exists($parent.'/composer.json')) {
+            if (!@file_exists($parent)) {
+                // open_basedir restriction in effect
+                break;
+            }
+            if ($parent === dirname($parent)) {
+                return self::$composerRoots[$dir] = false;
+            }
+
+            $parent = dirname($parent);
+        }
+
+        return self::$composerRoots[$dir] = $parent.DIRECTORY_SEPARATOR;
+    }
+}