add public api to get the file id from the cache
add public api to get the file id from the cache

IljaN/core,whitekiba/server,xx621998xx/server,michaelletzgus/nextcloud-server,cernbox/core,pollopolea/core,endsguy/server,pixelipo/server,endsguy/server,endsguy/server,pollopolea/core,michaelletzgus/nextcloud-server,nextcloud/server,jbicha/server,pmattern/server,IljaN/core,owncloud/core,owncloud/core,endsguy/server,andreas-p/nextcloud-server,IljaN/core,jbicha/server,cernbox/core,sharidas/core,cernbox/core,pollopolea/core,whitekiba/server,owncloud/core,andreas-p/nextcloud-server,andreas-p/nextcloud-server,Ardinis/server,andreas-p/nextcloud-server,Ardinis/server,Ardinis/server,owncloud/core,sharidas/core,Ardinis/server,xx621998xx/server,michaelletzgus/nextcloud-server,xx621998xx/server,xx621998xx/server,cernbox/core,bluelml/core,whitekiba/server,sharidas/core,bluelml/core,nextcloud/server,nextcloud/server,cernbox/core,whitekiba/server,lrytz/core,pmattern/server,nextcloud/server,phil-davis/core,bluelml/core,pmattern/server,bluelml/core,pollopolea/core,endsguy/server,andreas-p/nextcloud-server,whitekiba/server,xx621998xx/server,lrytz/core,lrytz/core,jbicha/server,owncloud/core,michaelletzgus/nextcloud-server,sharidas/core,pixelipo/server,IljaN/core,pixelipo/server,pmattern/server,pollopolea/core,jbicha/server,sharidas/core,lrytz/core,pixelipo/server,lrytz/core,Ardinis/server,bluelml/core,pixelipo/server,IljaN/core,pmattern/server,jbicha/server