implement getBlobPathFromHex

www/common/common-hash.js

@@ -266,5 +266,9 @@ Version 2
         return hex;
     };
 
+    var getBlobPath = Hash.getBlobPathFromHex = function (id) {
+        return '/blob/' + id.slice(0,2) + '/' + id;
+    };
+
     return Hash;
 });

www/common/cryptpad-common.js

@@ -73,6 +73,7 @@ define([
     var hrefToHexChannelId = common.hrefToHexChannelId = Hash.hrefToHexChannelId;
     var parseHash = common.parseHash = Hash.parseHash;
     var getRelativeHref = common.getRelativeHref = Hash.getRelativeHref;
+    common.getBlobPathFromHex = Hash.getBlobPathFromHex;
 
     common.getEditHashFromKeys = Hash.getEditHashFromKeys;
     common.getViewHashFromKeys = Hash.getViewHashFromKeys;