/usr/share/javascript/dojox/rpc/ is in libjs-dojo-dojox 1.6.1+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/javascript/dojox/rpc/Client.js
/usr/share/javascript/dojox/rpc/JsonRPC.js
/usr/share/javascript/dojox/rpc/JsonRest.js
/usr/share/javascript/dojox/rpc/OfflineRest.js
/usr/share/javascript/dojox/rpc/ProxiedPath.js
/usr/share/javascript/dojox/rpc/README
/usr/share/javascript/dojox/rpc/Rest.js
/usr/share/javascript/dojox/rpc/SMDLibrary/
/usr/share/javascript/dojox/rpc/SMDLibrary/dojo-api.smd
/usr/share/javascript/dojox/rpc/SMDLibrary/friendfeed.smd
/usr/share/javascript/dojox/rpc/SMDLibrary/geonames.smd
/usr/share/javascript/dojox/rpc/SMDLibrary/google.smd
/usr/share/javascript/dojox/rpc/SMDLibrary/twitter.smd
/usr/share/javascript/dojox/rpc/SMDLibrary/wikipedia.smd
/usr/share/javascript/dojox/rpc/SMDLibrary/yahoo.smd
/usr/share/javascript/dojox/rpc/Service.js