Chapril/xmpp.chapril.org-ejabberd
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Improve recent commit so users cannot prevent banning, fixes 44bafa4 (#4201)

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This commit is contained in:
Badlop 2024-04-24 19:54:45 +02:00
parent 33c6b3700e
commit 374f6b8e7d
1 changed files with 19 additions and 8 deletions
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21
src/mod_admin_extra.erl
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@ -1081,17 +1081,22 @@ ban_account_v2_b(User, Host, ReasonText) ->
Pass = ejabberd_auth:get_password_s(User, Host),
Last = get_last(User, Host),
BanDate = xmpp_util:encode_timestamp(erlang:timestamp()),
BanPrivateXml = build_ban_xmlel(Reason, Pass, Last, BanDate),
Hash = get_hash_value(User, Host),
BanPrivateXml = build_ban_xmlel(Reason, Pass, Last, BanDate, Hash),
ok = private_set2(User, Host, BanPrivateXml),
ok = set_random_password_v2(User, Host),
kick_sessions(User, Host, Reason),
ok.
get_hash_value(User, Host) ->
Cookie = misc:atom_to_binary(erlang:get_cookie()),
misc:term_to_base64(crypto:hash(sha256, <<User/binary, Host/binary, Cookie/binary>>)).
set_random_password_v2(User, Server) ->
NewPass = p1_rand:get_string(),
ok = ejabberd_auth:set_password(User, Server, NewPass).
build_ban_xmlel(Reason, Pass, {LastDate, LastReason}, BanDate) ->
build_ban_xmlel(Reason, Pass, {LastDate, LastReason}, BanDate, Hash) ->
PassEls = build_pass_els(Pass),
#xmlel{name = <<"banned">>,
attrs = [{<<"xmlns">>, <<"ejabberd:banned">>}],
@ -1099,7 +1104,8 @@ build_ban_xmlel(Reason, Pass, {LastDate, LastReason}, BanDate) ->
#xmlel{name = <<"password">>, attrs = [], children = PassEls},
#xmlel{name = <<"lastdate">>, attrs = [], children = [{xmlcdata, LastDate}]},
#xmlel{name = <<"lastreason">>, attrs = [], children = [{xmlcdata, LastReason}]},
#xmlel{name = <<"bandate">>, attrs = [], children = [{xmlcdata, BanDate}]}
#xmlel{name = <<"bandate">>, attrs = [], children = [{xmlcdata, BanDate}]},
#xmlel{name = <<"hash">>, attrs = [], children = [{xmlcdata, Hash}]}
]}.
build_pass_els(Pass) when is_binary(Pass) ->
@ -1125,11 +1131,16 @@ get_ban_details(User, Host) ->
LastDate = fxml:get_subtag_cdata(El, <<"lastdate">>),
LastReason = fxml:get_subtag_cdata(El, <<"lastreason">>),
BanDate = fxml:get_subtag_cdata(El, <<"bandate">>),
Hash = fxml:get_subtag_cdata(El, <<"hash">>),
case Hash == get_hash_value(User, Host) of
true ->
[{"reason", Reason},
{"bandate", BanDate},
{"lastdate", LastDate},
{"lastreason", LastReason}
].
{"lastreason", LastReason}];
false ->
[]
end.
is_banned(User, Host) ->
case lists:keyfind("bandate", 1, get_ban_details(User, Host)) of