1 files changed, 57 insertions, 0 deletions
diff --git a/modules/digibug/helpers/digibug.php b/modules/digibug/helpers/digibug.php
new file mode 100644
index 00000000..46c9d945
--- /dev/null
+++ b/modules/digibug/helpers/digibug.php
@@ -0,0 +1,57 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2009 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class digibug_Core {
+  /**
+   * Get a unique id for a print request.
+   * Its a good thing we only support linux as this won't work on Windows
+   */
+  static function uuid() {
+    $fp = @fopen("/dev/urandom", "rb");
+    $bits = @fread($fp, 16);
+    @fclose($fp);
+
+    $time_low = bin2hex(substr($bits, 0, 4));
+    $time_mid = bin2hex(substr($bits, 4, 2));
+    $time_hi_and_version = bin2hex(substr($bits, 6, 2));
+    $clock_seq_hi_and_reserved = bin2hex(substr($bits, 8, 2));
+    $node = bin2hex ( substr ( $bits, 10, 6 ) );
+
+    /**
+     * Set the four most significant bits (bits 12 through 15) of the
+     * time_hi_and_version field to the 4-bit version number from
+     * Section 4.1.3.
+     * @see http://tools.ietf.org/html/rfc4122#section-4.1.3
+     */
+    $time_hi_and_version = hexdec ( $time_hi_and_version );
+    $time_hi_and_version = $time_hi_and_version >> 4;
+    $time_hi_and_version = $time_hi_and_version | 0x4000;
+
+    /**
+     * Set the two most significant bits (bits 6 and 7) of the
+     * clock_seq_hi_and_reserved to zero and one, respectively.
+     */
+    $clock_seq_hi_and_reserved = hexdec ( $clock_seq_hi_and_reserved );
+    $clock_seq_hi_and_reserved = $clock_seq_hi_and_reserved >> 2;
+    $clock_seq_hi_and_reserved = $clock_seq_hi_and_reserved | 0x8000;
+
+    return sprintf ('%08s-%04s-%04x-%04x-%012s',
+                    $time_low, $time_mid, $time_hi_and_version, $clock_seq_hi_and_reserved, $node);
+  }
+}