1 files changed, 22 insertions, 2 deletions
diff --git a/web/cobrands/fixmybarangay/message_manager_client.js b/web/cobrands/fixmybarangay/message_manager_client.js
index eb9d8c925..fd2195124 100644
--- a/web/cobrands/fixmybarangay/message_manager_client.js
+++ b/web/cobrands/fixmybarangay/message_manager_client.js
@@ -133,12 +133,32 @@ var message_manager = (function() {
         }
     };
 
-    // btoa doesn't work on all browers?
     var make_base_auth = function(user, password) {
         var tok = user + ':' + password;
-        var hash = window.btoa(tok);
+        var hash = encodeBase64(tok); // window.btoa(tok) doesn't work on all browers
         return "Basic " + hash;
     };
+    
+    function encodeBase64(input) {
+        var
+            chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=',
+            INVALID_CHARACTER_ERR = (function () {
+        // fabricate a suitable error object
+        try { document.createElement('$'); }
+        catch (error) { return error; }}());
+        // encoder
+        // [https://gist.github.com/999166] by [https://github.com/nignag]
+        for (
+            var block, charCode, idx = 0, map = chars, output = '';
+            input.charAt(idx | 0) || (map = '=', idx % 1);
+            output += map.charAt(63 & block >> 8 - idx % 1 * 8)
+        ) {
+            charCode = input.charCodeAt(idx += 3/4);
+            if (charCode > 0xFF) throw INVALID_CHARACTER_ERR;
+            block = block << 8 | charCode;
+        }
+        return output;
+    };
 
     var get_current_auth_credentials = function() {
         var base_auth = "";