From f0d620f33277d09a7523baf7bdd686d5c83755e9 Mon Sep 17 00:00:00 2001
From: onli <onli89@googlemail.com>
Date: Sun, 24 Mar 2013 18:13:48 +0100
Subject: [PATCH] initial release of proxy_realip for kleinerChemiker

---
 serendipity_event_proxy_realip/ChangeLog      |  3 +
 .../UTF-8/lang_de.inc.php                     |  6 ++
 .../UTF-8/lang_en.inc.php                     |  6 ++
 .../lang_de.inc.php                           |  6 ++
 .../lang_en.inc.php                           |  6 ++
 .../serendipity_event_proxy_realip.php        | 82 +++++++++++++++++++
 6 files changed, 109 insertions(+)
 create mode 100644 serendipity_event_proxy_realip/ChangeLog
 create mode 100644 serendipity_event_proxy_realip/UTF-8/lang_de.inc.php
 create mode 100644 serendipity_event_proxy_realip/UTF-8/lang_en.inc.php
 create mode 100644 serendipity_event_proxy_realip/lang_de.inc.php
 create mode 100644 serendipity_event_proxy_realip/lang_en.inc.php
 create mode 100644 serendipity_event_proxy_realip/serendipity_event_proxy_realip.php

diff --git a/serendipity_event_proxy_realip/ChangeLog b/serendipity_event_proxy_realip/ChangeLog
new file mode 100644
index 00000000..e0bb4762
--- /dev/null
+++ b/serendipity_event_proxy_realip/ChangeLog
@@ -0,0 +1,3 @@
+1.0.0:
+----
+# Release
diff --git a/serendipity_event_proxy_realip/UTF-8/lang_de.inc.php b/serendipity_event_proxy_realip/UTF-8/lang_de.inc.php
new file mode 100644
index 00000000..3ee37c7b
--- /dev/null
+++ b/serendipity_event_proxy_realip/UTF-8/lang_de.inc.php
@@ -0,0 +1,6 @@
+<?php
+
+@define('PLUGIN_EVENT_PROXY_REALIP_NAME', 'Proxy Real-IP');
+@define('PLUGIN_EVENT_PROXY_REALIP_DESC', 'Setzt die richtige IP des Besuchers bei Benutzung eines Proxy vor dem Webserver. Sollte das erste Plugin in der Liste sein.');
+@define('PLUGIN_EVENT_PROXY_REALIP_VAR', 'Variable mit IP');
+@define('PLUGIN_EVENT_PROXY_REALIP_VAR_DESC', 'Name der globalen Variablen mit der richtigen IP. z.B. $_SERVER[\'X-FORWARDED-FOR\']');
\ No newline at end of file
diff --git a/serendipity_event_proxy_realip/UTF-8/lang_en.inc.php b/serendipity_event_proxy_realip/UTF-8/lang_en.inc.php
new file mode 100644
index 00000000..73f19c1c
--- /dev/null
+++ b/serendipity_event_proxy_realip/UTF-8/lang_en.inc.php
@@ -0,0 +1,6 @@
+<?php
+
+@define('PLUGIN_EVENT_PROXY_REALIP_NAME', 'Proxy Real-IP');
+@define('PLUGIN_EVENT_PROXY_REALIP_DESC', 'Sets the correct Visitors IP when useing a Proxy for your webserver. Should be the first plugin in the list.');
+@define('PLUGIN_EVENT_PROXY_REALIP_VAR', 'Variable with IP');
+@define('PLUGIN_EVENT_PROXY_REALIP_VAR_DESC', 'Name of the variable with the correct IP adress. e.g. $_SERVER[\'X-FORWARDED-FOR\']');
\ No newline at end of file
diff --git a/serendipity_event_proxy_realip/lang_de.inc.php b/serendipity_event_proxy_realip/lang_de.inc.php
new file mode 100644
index 00000000..542b642d
--- /dev/null
+++ b/serendipity_event_proxy_realip/lang_de.inc.php
@@ -0,0 +1,6 @@
+<?php
+
+@define('PLUGIN_EVENT_PROXY_REALIP_NAME', 'Proxy Real-IP');
+@define('PLUGIN_EVENT_PROXY_REALIP_DESC', 'Setzt die richtige IP des Besuchers bei Benutzung eines Proxy vor dem Webserver. Sollte das erste Plugin in der Liste sein.');
+@define('PLUGIN_EVENT_PROXY_REALIP_VAR', 'Variable mit IP');
+@define('PLUGIN_EVENT_PROXY_REALIP_VAR_DESC', 'Name der globalen Variablen mit der richtigen IP. z.B. $_SERVER[\'X-FORWARDED-FOR\']');
diff --git a/serendipity_event_proxy_realip/lang_en.inc.php b/serendipity_event_proxy_realip/lang_en.inc.php
new file mode 100644
index 00000000..73f19c1c
--- /dev/null
+++ b/serendipity_event_proxy_realip/lang_en.inc.php
@@ -0,0 +1,6 @@
+<?php
+
+@define('PLUGIN_EVENT_PROXY_REALIP_NAME', 'Proxy Real-IP');
+@define('PLUGIN_EVENT_PROXY_REALIP_DESC', 'Sets the correct Visitors IP when useing a Proxy for your webserver. Should be the first plugin in the list.');
+@define('PLUGIN_EVENT_PROXY_REALIP_VAR', 'Variable with IP');
+@define('PLUGIN_EVENT_PROXY_REALIP_VAR_DESC', 'Name of the variable with the correct IP adress. e.g. $_SERVER[\'X-FORWARDED-FOR\']');
\ No newline at end of file
diff --git a/serendipity_event_proxy_realip/serendipity_event_proxy_realip.php b/serendipity_event_proxy_realip/serendipity_event_proxy_realip.php
new file mode 100644
index 00000000..231278c0
--- /dev/null
+++ b/serendipity_event_proxy_realip/serendipity_event_proxy_realip.php
@@ -0,0 +1,82 @@
+<?php
+
+if (IN_serendipity !== true) {
+  die("Don't hack!");
+}
+
+// Probe for a language include with constants. Still include defines later on, if some constants were missing
+$probelang = dirname(__FILE__) . '/' . $serendipity['charset'] . 'lang_' . $serendipity['lang'] . '.inc.php';
+if (file_exists($probelang)) {
+  include $probelang;
+} else {
+  include dirname(__FILE__) . '/lang_en.inc.php';
+}
+
+class serendipity_event_proxy_realip extends serendipity_event {
+
+  var $title = PLUGIN_EVENT_PROXY_REALIP_NAME;
+
+  function introspect(&$propbag) {
+    global $serendipity;
+
+    $propbag->add('name', PLUGIN_EVENT_PROXY_REALIP_NAME);
+    $propbag->add('description', PLUGIN_EVENT_PROXY_REALIP_DESC);
+    $propbag->add('stackable', false);
+    $propbag->add('author', '<a href="http://blog.kleinerChemiker.net/" target="_blank">kleinerChemiker</a>');
+    $propbag->add('version', '1.0.0');
+    $propbag->add('requirements', array('serendipity' => '1.6.2', 'smarty' => '2.6.7', 'php' => '5.3.0'));
+    $propbag->add('groups', array('BACKEND_FEATURES'));
+    $propbag->add('event_hooks', array('frontend_configure' => true));
+
+    $conf_array = array();
+    $conf_array[] = 'realip_var';
+
+    $propbag->add('configuration', $conf_array);
+  }
+
+  function introspect_config_item($name, &$propbag) {
+    switch ($name) {
+      case 'realip_var' :
+        $propbag->add('type', 'string');
+        $propbag->add('name', PLUGIN_EVENT_PROXY_REALIP);
+        $propbag->add('description', PLUGIN_EVENT_PROXY_REALIP_VAR_DESC);
+        $propbag->add('default', '_SERVER[\'X-FORWARDED-FOR\']');
+        break;
+      default :
+        $propbag->add('type', 'boolean');
+        $propbag->add('name', constant($name));
+        $propbag->add('description', sprintf(APPLY_MARKUP_TO, constant($name)));
+        $propbag->add('default', 'true');
+    }
+    return true;
+  }
+
+  function event_hook($event, &$bag, &$eventData, $addData = null) {
+
+    static $realip_var = NULL;
+
+    $hooks = &$bag->get('event_hooks');
+
+    if ($realip_var === null) {
+      $realip_var = $this->get_config('realip_var', FALSE);
+      eval('$realip_ip = ' . $realip_var . ';');
+      $realip_ip = filter_var($realip_ip, FILTER_VALIDATE_IP);
+    }
+
+    if (isset($hooks[$event])) {
+      switch ($event) {
+        case 'frontend_configure':
+          if ($realip_ip != FALSE) {
+            $_SERVER["REMOTE_ADDR"] = $realip_ip;
+          }
+          break;
+
+        default:
+          return false;
+      }
+    }
+    return false;
+  }
+
+}
+