From cf46aefd9d8be57722514ab0b6047fa573f46a36 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Sat, 28 Sep 2013 06:04:35 -0400
Subject: [PATCH] Make password plugin use the new 'settings_actions' hook to register its link in the settings navigation

---
 program/lib/Roundcube/rcube_utils.php |   76 ++++++++++++++++++++++++++++++++++----
 1 files changed, 68 insertions(+), 8 deletions(-)

diff --git a/program/lib/Roundcube/rcube_utils.php b/program/lib/Roundcube/rcube_utils.php
index 29baa82..1d76ae5 100644
--- a/program/lib/Roundcube/rcube_utils.php
+++ b/program/lib/Roundcube/rcube_utils.php
@@ -360,12 +360,8 @@
             return $value;
         }
 
-        // strip single quotes if magic_quotes_sybase is enabled
-        if (ini_get('magic_quotes_sybase')) {
-            $value = str_replace("''", "'", $value);
-        }
         // strip slashes if magic_quotes enabled
-        else if (get_magic_quotes_gpc() || get_magic_quotes_runtime()) {
+        if (get_magic_quotes_gpc() || get_magic_quotes_runtime()) {
             $value = stripslashes($value);
         }
 
@@ -670,6 +666,21 @@
 
 
     /**
+     * Returns the real remote IP address
+     *
+     * @return string Remote IP address
+     */
+    public static function remote_addr()
+    {
+        foreach (array('HTTP_X_FORWARDED_FOR','HTTP_X_REAL_IP','REMOTE_ADDR') as $prop) {
+            if (!empty($_SERVER[$prop]))
+                return $_SERVER[$prop];
+        }
+
+        return '';
+    }
+
+    /**
      * Read a specific HTTP request header.
      *
      * @param  string $name Header name
@@ -728,11 +739,22 @@
      */
     public static function strtotime($date)
     {
+        $date = trim($date);
+
         // check for MS Outlook vCard date format YYYYMMDD
-        if (preg_match('/^([12][90]\d\d)([01]\d)(\d\d)$/', trim($date), $matches)) {
-            return mktime(0,0,0, intval($matches[2]), intval($matches[3]), intval($matches[1]));
+        if (preg_match('/^([12][90]\d\d)([01]\d)([0123]\d)$/', $date, $m)) {
+            return mktime(0,0,0, intval($m[2]), intval($m[3]), intval($m[1]));
         }
-        else if (is_numeric($date)) {
+
+        // common little-endian formats, e.g. dd/mm/yyyy (not all are supported by strtotime)
+        if (preg_match('/^(\d{1,2})[.\/-](\d{1,2})[.\/-](\d{4})$/', $date, $m)
+            && $m[1] > 0 && $m[1] <= 31 && $m[2] > 0 && $m[2] <= 12 && $m[3] >= 1970
+        ) {
+            return mktime(0,0,0, intval($m[2]), intval($m[1]), intval($m[3]));
+        }
+
+        // unix timestamp
+        if (is_numeric($date)) {
             return (int) $date;
         }
 
@@ -765,6 +787,44 @@
         return (int) $ts;
     }
 
+    /**
+     * Date parsing function that turns the given value into a DateTime object
+     *
+     * @param string $date  Date string
+     *
+     * @return object DateTime instance or false on failure
+     */
+    public static function anytodatetime($date)
+    {
+        if (is_object($date) && is_a($date, 'DateTime')) {
+            return $date;
+        }
+
+        $dt = false;
+        $date = trim($date);
+
+        // try to parse string with DateTime first
+        if (!empty($date)) {
+            try {
+                $dt = new DateTime($date);
+            }
+            catch (Exception $e) {
+                // ignore
+            }
+        }
+
+        // try our advanced strtotime() method
+        if (!$dt && ($timestamp = self::strtotime($date))) {
+            try {
+                $dt = new DateTime("@".$timestamp);
+            }
+            catch (Exception $e) {
+                // ignore
+            }
+        }
+
+        return $dt;
+    }
 
     /*
      * Idn_to_ascii wrapper.

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