Given the information that the WH has leaked, would you like to be the lawyer that tries to prove that the info in the book is more or damaging? There will shortly be a movie out that was based on info supplied by the WH,DOD and CIA.
That's all irrelevant. Legally, the president has full classification and declassification authority; he can declassify whatever information he wishes to whenever he wishes to.
A Navy SEAL does not have declassification authority.