From 7b7b26250580f713edc9aa459ad12abfcaa24ea0 Mon Sep 17 00:00:00 2001
From: "Jeroen van Meeuwen (Kolab Systems)" <vanmeeuwen@kolabsys.com>
Date: Fri, 23 Dec 2011 12:41:45 +0100
Subject: Restructure the files that do not belong in public_html to live in
 lib/ Use lib/Conf.php for configuration Reuse as much of the existing
 utilities as possible, by sharing the common codebase (i.e. kolab_utils, etc)

---
 lib/kolab_utils.php | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 lib/kolab_utils.php

(limited to 'lib/kolab_utils.php')

diff --git a/lib/kolab_utils.php b/lib/kolab_utils.php
new file mode 100644
index 0000000..97b8bdf
--- /dev/null
+++ b/lib/kolab_utils.php
@@ -0,0 +1,78 @@
+<?php
+
+    class kolab_utils {
+        /**
+         * Read a specific HTTP request header
+         *
+         * @param  string $name Header name
+         * @return mixed  Header value or null if not available
+         */
+        public static function get_request_header($name) {
+            if (function_exists('getallheaders')) {
+                $hdrs = array_change_key_case(getallheaders(), CASE_UPPER);
+                $key  = strtoupper($name);
+            } else {
+                $key  = 'HTTP_' . strtoupper(strtr($name, '-', '_'));
+                $hdrs = array_change_key_case($_SERVER, CASE_UPPER);
+            }
+
+            if (array_key_exists($key, $hdrs)) {
+                return $hdrs[$key];
+            } else {
+                return null;
+            }
+        }
+
+        /**
+         * Make sure the string ends with a slash
+         */
+        public static function slashify($str)
+        {
+            return self::unslashify($str).'/';
+        }
+
+        /**
+         * Remove slash at the end of the string
+         */
+        public static function unslashify($str)
+        {
+            return preg_replace('/\/$/', '', $str);
+        }
+
+        public static function get_input($name, $type = null, $allow_html = false)
+        {
+            if ($type == 'GET') {
+                $value = isset($_GET[$name]) ? $_GET[$name] : null;
+            }
+            else if ($type == 'POST') {
+                $value = isset($_POST[$name]) ? $_POST[$name] : null;
+            }
+            else {
+                $value = isset($_REQUEST[$name]) ? $_REQUEST[$name] : null;
+            }
+
+            return self::parse_input($value, $allow_html);
+        }
+
+        public static function parse_input($value, $allow_html = false)
+        {
+            if (empty($value)) {
+                return $value;
+            }
+
+            if (is_array($value)) {
+                foreach ($value as $idx => $val) {
+                    $value[$idx] = self::parse_input($val, $allow_html);
+                }
+            }
+            // remove HTML tags if not allowed
+            else if (!$allow_html) {
+                $value = strip_tags($value);
+            }
+
+            return $value;
+        }
+
+    }
+
+?>
-- 
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