From 39f9a7bf597c07be6cee65f60bec1fb33e04bbf0 Mon Sep 17 00:00:00 2001
From: Christian Weiske <cweiske@cweiske.de>
Date: Wed, 29 Jun 2016 07:11:54 +0200
Subject: [PATCH] Fix infinite loop when phancap tries to capture itself
 capturing itself

---
 src/phancap/Config.php |   2 +-
 www/get.php            |   9 +++++++++
 www/infinite.png       | Bin 0 -> 148 bytes
 3 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 www/infinite.png

diff --git a/src/phancap/Config.php b/src/phancap/Config.php
index e45f08b..4c0617e 100644
--- a/src/phancap/Config.php
+++ b/src/phancap/Config.php
@@ -234,7 +234,7 @@ class Config
      * @return string Directory of URL without trailing slash,
      *                and without .phar file
      */
-    protected function getCurrentUrlDir()
+    public function getCurrentUrlDir()
     {
         $url = $this->getCurrentUrl();
         $url = preg_replace('/\?.*$/', '', $url);
diff --git a/www/get.php b/www/get.php
index f78c3b5..694b843 100644
--- a/www/get.php
+++ b/www/get.php
@@ -46,6 +46,15 @@ try {
     exit(1);
 }
 
+if (strpos($_SERVER['HTTP_USER_AGENT'], ' cutycapt ') !== false) {
+    //phancap is trying to render a page with an image that
+    // is being fetched from phancap itself, leading to an
+    // infinite loop
+    header('HTTP/1.0 500 Infinite Loop');
+    header('Location: ' . $config->getCurrentUrlDir() . '/infinite.png');
+    exit(3);
+}
+
 $rep = new Repository();
 $rep->setConfig($config);
 try {
diff --git a/www/infinite.png b/www/infinite.png
new file mode 100644
index 0000000000000000000000000000000000000000..2327d75f69b58822f961b449647c3e9dbc75c2a3
GIT binary patch
literal 148
zcmeAS@N?(olHy`uVBq!ia0vp^DIm<q3?#jD*u{YqTYyi9E0F&G|NqjP^X~##oCO|{
z#S9GG!XV7ZFl&wkP|(EF#WBR<baH}(&w+pTJTekFd-wy?`2_kUpG>fCZaseBfc>e%
ohoo%^O*X6)Z8gvM{KbKZL9<3=?{xXPjX?bjp00i_>zopr06K;$O#lD@

literal 0
HcmV?d00001

-- 
2.30.2