Github user rnewson commented on a diff in the pull request:
https://github.com/apache/couchdb-couch/pull/12#discussion_r19661642
--- Diff: src/couch_httpd_auth.erl ---
@@ -430,3 +432,48 @@ max_age() ->
config:get("couch_httpd_auth", "timeout", "600")),
[{max_age, Timeout}]
end.
+
+reject_if_totp(User) ->
+ case get_totp_config(User) of
+ undefined ->
+ ok;
+ _ ->
+ throw({unauthorized, <<"Name or password is incorrect.">>})
+ end.
+
+verify_totp(User, Form) ->
+ case get_totp_config(User) of
+ undefined ->
+ ok;
+ {Props} ->
+ Key = couch_util:get_value(<<"key">>, Props),
+ Alg = couch_util:to_existing_atom(
+ couch_util:get_value(<<"algorithm">>, Props, <<"sha">>)),
+ Len = couch_util:get_value(<<"length">>, Props, 6),
+ Token = ?l2b(couch_util:get_value("token", Form, "")),
+ verify_token(Alg, Key, Len, Token)
+ end.
+
+get_totp_config(User) ->
+ couch_util:get_value(<<"totp">>, User).
+
+verify_token(Alg, Key, Len, Token) ->
+ Now = make_cookie_time(),
+ Tokens = [generate_token(Alg, Key, Len, Now - 30),
--- End diff --
I left the skew unconfigurable for now. It seems this 90 second thing is
quite standard.
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