From 5e88dc63e2e746ced52c37578d452d8d47fa0092 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Tue, 8 Jan 2019 17:39:20 +0100
Subject: [PATCH] [VarDumper] add caster for OpenSSL X.509 resources

---
 .../Component/VarDumper/Caster/ConstStub.php  |  4 +--
 .../VarDumper/Caster/ResourceCaster.php       | 26 +++++++++++++++++++
 .../VarDumper/Cloner/AbstractCloner.php       |  3 ++-
 3 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/src/Symfony/Component/VarDumper/Caster/ConstStub.php b/src/Symfony/Component/VarDumper/Caster/ConstStub.php
index 250a250a9f..15868b0934 100644
--- a/src/Symfony/Component/VarDumper/Caster/ConstStub.php
+++ b/src/Symfony/Component/VarDumper/Caster/ConstStub.php
@@ -20,10 +20,10 @@ use Symfony\Component\VarDumper\Cloner\Stub;
  */
 class ConstStub extends Stub
 {
-    public function __construct(string $name, $value)
+    public function __construct(string $name, $value = null)
     {
         $this->class = $name;
-        $this->value = $value;
+        $this->value = 1 < \func_num_args() ? $value : $name;
     }
 
     public function __toString()
diff --git a/src/Symfony/Component/VarDumper/Caster/ResourceCaster.php b/src/Symfony/Component/VarDumper/Caster/ResourceCaster.php
index 3cdb27c308..85de5b5967 100644
--- a/src/Symfony/Component/VarDumper/Caster/ResourceCaster.php
+++ b/src/Symfony/Component/VarDumper/Caster/ResourceCaster.php
@@ -69,4 +69,30 @@ class ResourceCaster
 
         return $a;
     }
+
+    public static function castOpensslX509($h, array $a, Stub $stub, $isNested)
+    {
+        $stub->cut = -1;
+        $info = openssl_x509_parse($h, false);
+
+        $pin = openssl_pkey_get_public($h);
+        $pin = openssl_pkey_get_details($pin)['key'];
+        $pin = \array_slice(explode("\n", $pin), 1, -2);
+        $pin = base64_decode(implode('', $pin));
+        $pin = base64_encode(hash('sha256', $pin, true));
+
+        $a += array(
+            'subject' => new EnumStub(array_intersect_key($info['subject'], array('organizationName' => true, 'commonName' => true))),
+            'issuer' => new EnumStub(array_intersect_key($info['issuer'], array('organizationName' => true, 'commonName' => true))),
+            'expiry' => new ConstStub(date(\DateTime::ISO8601, $info['validTo_time_t']), $info['validTo_time_t']),
+            'fingerprint' => new EnumStub(array(
+                'md5' => new ConstStub(wordwrap(strtoupper(openssl_x509_fingerprint($h, 'md5')), 2, ':', true)),
+                'sha1' => new ConstStub(wordwrap(strtoupper(openssl_x509_fingerprint($h, 'sha1')), 2, ':', true)),
+                'sha256' => new ConstStub(wordwrap(strtoupper(openssl_x509_fingerprint($h, 'sha256')), 2, ':', true)),
+                'pin-sha256' => new ConstStub($pin),
+            )),
+        );
+
+        return $a;
+    }
 }
diff --git a/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php b/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
index 88691609e1..f55b2a1c67 100644
--- a/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
+++ b/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
@@ -136,6 +136,7 @@ abstract class AbstractCloner implements ClonerInterface
         ':pgsql result' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castResult'),
         ':process' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castProcess'),
         ':stream' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'),
+        ':OpenSSL X.509' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castOpensslX509'),
         ':persistent stream' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'),
         ':stream-context' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStreamContext'),
         ':xml' => array('Symfony\Component\VarDumper\Caster\XmlResourceCaster', 'castXml'),
@@ -176,7 +177,7 @@ abstract class AbstractCloner implements ClonerInterface
     public function addCasters(array $casters)
     {
         foreach ($casters as $type => $callback) {
-            $closure = &$this->casters[strtolower($type)][];
+            $closure = &$this->casters['' === $type || ':' === $type[0] ? $type : strtolower($type)][];
             $closure = $callback instanceof \Closure ? $callback : static function (...$args) use ($callback, &$closure) {
                 return ($closure = \Closure::fromCallable($callback))(...$args);
             };