1 files changed, 124 insertions, 0 deletions
diff --git a/rel/overlay/share/www/script/base64.js b/rel/overlay/share/www/script/base64.js
new file mode 100644
index 00000000..e0aab303
--- /dev/null
+++ b/rel/overlay/share/www/script/base64.js
@@ -0,0 +1,124 @@
+/* Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>
+ * Version: 1.0
+ * LastModified: Dec 25 1999
+ * This library is free.  You can redistribute it and/or modify it.
+ */
+ /* Modified by Chris Anderson to not use CommonJS */
+ /* Modified by Dan Webb not to require Narwhal's binary library */
+
+var Base64 = {};
+(function(exports) {
+  
+  var encodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+  var decodeChars = [
+      -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+      -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+      -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
+      52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
+      -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
+      15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
+      -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+      41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1
+  ];
+
+  exports.encode = function (str) {
+      var out, i, length;
+      var c1, c2, c3;
+
+      length = len(str);
+      i = 0;
+      out = [];
+      while(i < length) {
+          c1 = str.charCodeAt(i++) & 0xff;
+          if(i == length)
+          {
+              out.push(encodeChars.charCodeAt(c1 >> 2));
+              out.push(encodeChars.charCodeAt((c1 & 0x3) << 4));
+              out.push("=".charCodeAt(0));
+              out.push("=".charCodeAt(0));
+              break;
+          }
+          c2 = str.charCodeAt(i++);
+          if(i == length)
+          {
+              out.push(encodeChars.charCodeAt(c1 >> 2));
+              out.push(encodeChars.charCodeAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4)));
+              out.push(encodeChars.charCodeAt((c2 & 0xF) << 2));
+              out.push("=".charCodeAt(0));
+              break;
+          }
+          c3 = str.charCodeAt(i++);
+          out.push(encodeChars.charCodeAt(c1 >> 2));
+          out.push(encodeChars.charCodeAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4)));
+          out.push(encodeChars.charCodeAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6)));
+          out.push(encodeChars.charCodeAt(c3 & 0x3F));
+      }
+
+      var str = ""; 
+      out.forEach(function(chr) { str += String.fromCharCode(chr) });
+      return str;
+  };
+
+  exports.decode = function (str) {
+      var c1, c2, c3, c4;
+      var i, length, out;
+
+      length = len(str);
+      i = 0;
+      out = [];
+      while(i < length) {
+          /* c1 */
+          do {
+              c1 = decodeChars[str.charCodeAt(i++) & 0xff];
+          } while(i < length && c1 == -1);
+          if(c1 == -1)
+              break;
+
+          /* c2 */
+          do {
+              c2 = decodeChars[str.charCodeAt(i++) & 0xff];
+          } while(i < length && c2 == -1);
+          if(c2 == -1)
+              break;
+
+          out.push(String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4)));
+
+          /* c3 */
+          do {
+              c3 = str.charCodeAt(i++) & 0xff;
+              if(c3 == 61)
+                  return out.join('');
+              c3 = decodeChars[c3];
+          } while(i < length && c3 == -1);
+          if(c3 == -1)
+              break;
+
+          out.push(String.fromCharCode(((c2 & 0xF) << 4) | ((c3 & 0x3C) >> 2)));
+
+          /* c4 */
+          do {
+              c4 = str.charCodeAt(i++) & 0xff;
+              if(c4 == 61)
+                  return out.join('');
+              c4 = decodeChars[c4];
+          } while(i < length && c4 == -1);
+
+          if(c4 == -1)
+              break;
+
+          out.push(String.fromCharCode(((c3 & 0x03) << 6) | c4));
+      }
+
+      return out.join('');
+  };
+
+  var len = function (object) {
+      if (object.length !== undefined) {
+          return object.length;
+      } else if (object.getLength !== undefined) {
+          return object.getLength();
+      } else {
+          return undefined;
+      }
+  };
+})(Base64);