Trump keeps confirming most of the leaks himself. It's his staff who hates him. There's never been a White House with this many leaks. Sometimes they even have like a dozen sources for one story.
That's really what all this is...moral cowardice. It's Trump's own people letting the outside world know what's going on as a self preservation tactic, mostly. Trump wants to spin it as former Obama officials, but that doesn't fly. I've been watching the articles sourcing and sometimes it's interesting. The administration would have us believe all of these sources are one or two disgruntled leaking people, but I've seen sourcing like "18 current and former officials" and so on.
I've been asking myself where all the resignations are. Seriously. The only conclusion I can come to is that these people now realize they've painted themselves into a corner along with the orange idiot, and they realize this is the last job they will ever have. Not much help if you spend it all on legal fees if you ask me.