-% coding: utf-8
+% coding: utf-8\r
+% Copyright 2008 Grégory Burri\r
+%\r
+% This file is part of Euphorik.\r
+%\r
+% Euphorik is free software: you can redistribute it and/or modify\r
+% it under the terms of the GNU General Public License as published by\r
+% the Free Software Foundation, either version 3 of the License, or\r
+% (at your option) any later version.\r
+%\r
+% Euphorik is distributed in the hope that it will be useful,\r
+% but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+% GNU General Public License for more details.\r
+%\r
+% You should have received a copy of the GNU General Public License\r
+% along with Euphorik. If not, see <http://www.gnu.org/licenses/>.\r
+%
% Ce module gére les différents messages envoyés par le client (javascript) via AJAX.
% Les messages donnés ainsi que les réponses sont au format JSON.
% @author G.Burri
+\r
-module(euphorik_protocole).
-export([
wait_event/1,
put_message/1,
ban/1,
+ slap/1,
+ put_troll/1,
+ mod_troll/1,
+ del_troll/1,
+ unban_ip/1,
+ list_banned_ips/1,
erreur/1
-]).\r
-
--include_lib("xmerl/include/xmerl.hrl").
+]).
-include("../include/euphorik_bd.hrl").\r
-include("../include/euphorik_defines.hrl").\r
euphorik_bd:update_date_derniere_connexion(User#user.id),
json_reponse_login_ok(User);
loginUser(_, _) ->
- % ajoute un délais d'attente (TODO : un autre moyen plus élégant ?)
- receive after 1000 ->
- erreur("Erreur login")
- end.
+ % ajoute un délais d'attente
+ timer:sleep(?TEMPS_ATTENTE_ERREUR_LOGIN),
+ erreur("Couple login/pass introuvable").
\r
% Renvoie un string() représentant un cookie en base 36. Il y a 10^32 possibillités.\r
generer_cookie() ->
- {A1,A2,A3} = now(),
+ {A1, A2, A3} = now(),
random:seed(A1, A2, A3),\r
erlang:integer_to_list(random:uniform(math:pow(10, 32)), 36).\r
{email, Email},
{css, Css},
{nick_format, Nick_format_str},
+ {view_times, View_times},
+ {view_tooltips, View_tooltips},
{main_page, Main_page},
{conversations, {array, Conversations_json}}
]
[],
Conversations_json
),
- case euphorik_bd:set_profile(Cookie, Login, Password, Pseudo, Email, Css, list_to_atom(Nick_format_str), Main_page, Conversations) of
+ % TODO : pas très beau, mieux vaut construire un #user
+ case euphorik_bd:set_profile(
+ Cookie,
+ Login,
+ Password,
+ Pseudo,
+ Email,
+ Css,
+ list_to_atom(Nick_format_str),
+ View_times,
+ View_tooltips,
+ Main_page,
+ Conversations) of
ok ->
json_reponse_ok();
login_deja_pris ->
% Renvoie les messages appropriés.
% last_message id et cookie sont facultatifs
-wait_event(Data) ->
+wait_event([{page, "chat"} | Data]) ->
+ % traitement des inputs
Cookie = case lists:keysearch(cookie, 1, Data) of {value, {_, C}} -> C; _ -> inconnu end,
Last_message_id = case lists:keysearch(last_message_id, 1, Data) of {value, {_, Id}} -> Id; _ -> 0 end,
{value, {_, Message_count}} = lists:keysearch(message_count, 1, Data),
Main_page = case lists:keysearch(main_page, 1, Data) of {value, {_, P}} -> P; _ -> 1 end,
+ Troll_id = case lists:keysearch(troll_id, 1, Data) of {value, {_, T}} -> T; _ -> 0 end,
{value, {_, {array, Conversations_json}}} = lists:keysearch(conversations, 1, Data),
- Conversations = lists:map(
+ Racines_conversations = lists:map(
fun({struct, [{root, Racine}, {page, Page} | Reste]}) ->
Last_mess_conv = case Reste of [{last_message_id, L}] -> L; _ -> 0 end,
{Racine, Page, Last_mess_conv}
User = case euphorik_bd:user_by_cookie(Cookie) of\r
{ok, U} -> U;\r
_ -> inconnu\r
- end,\r
- {struct, [\r
- {reply, "new_message"},\r
- {conversations, {array,
- % accrochez-vous ca va siouxer ;)
- lists:map(
- fun({Conv, Plus}) ->
+ end,
+ case {mnesia:subscribe({table, minichat, detailed}), mnesia:subscribe({table, troll, detailed})} of
+ {{error, E}, _} -> E;
+ {_, {error, E}} -> E;
+ _ ->
+ % attente d'événements
+ R = wait_event_page_chat(User, Racines_conversations, Message_count, Last_message_id, Main_page, Troll_id),
+ mnesia:unsubscribe({table, minichat, detailed}),
+ mnesia:unsubscribe({table, troll, detailed}),
+ R
+ end;
+wait_event([{page, "admin"}, {last_troll, Last_troll}]) ->
+ case wait_event_page_admin(Last_troll) of
+ banned_ips_refresh ->
+ {struct,
+ [
+ {reply, "banned_ips_refresh"}
+ ]
+ };
+ {mod, Troll} ->
+ {struct,
+ [
+ {reply, "troll_modified"},
+ {troll_id, Troll#troll.id},
+ {content, Troll#troll.content}
+ ]
+ };
+ {add, Trolls} ->
+ {struct,
+ [
+ {reply, "troll_added"},
+ {trolls, {array,
+ lists:map(
+ fun(T) ->
+ {ok, User} = euphorik_bd:user_by_id(T#troll.id_user),
+ {struct,
+ [
+ {troll_id, T#troll.id},
+ {content, T#troll.content},
+ {author, User#user.pseudo},
+ {author_id, User#user.id}
+ ]
+ }
+ end,
+ Trolls
+ )
+ }}
+ ]
+ };
+ {del, Troll_id} ->
+ {struct,
+ [
+ {reply, "troll_deleted"},
+ {troll_id, Troll_id}
+ ]
+ };
+ _ ->
+ erreur("timeout")
+ end;
+wait_event(_) ->
+ erreur("Page inconnue").
+
+
+wait_event_page_chat(User, Racines_conversations, Message_count, Last_message_id, Main_page, Troll_id) ->
+ % est-ce que le troll est à jour ?
+ case euphorik_bd:current_troll() of
+ Current when is_record(Current, troll), Current#troll.id =/= Troll_id ->
+ {struct, [
+ {reply, "new_troll"},
+ {troll_id, Current#troll.id},
+ {message_id, euphorik_bd:message_id_associe(Current#troll.id)},
+ {content, Current#troll.content}
+ ]};
+ _ ->
+ % est-ce qu'il y a des nouveaux messages ?
+ case euphorik_minichat_conversation:conversations(Racines_conversations, Message_count, Last_message_id, Main_page) of
+ vide ->
+ wait_event_bd_page_chat(),
+ % TODO : l'appel est-il bien tail-recursive ?
+ wait_event_page_chat(User, Racines_conversations, Message_count, Last_message_id, Main_page, Troll_id);
+ Conversations ->
+ % accrochez-vous ca va siouxer ;)
{struct, [
- {last_page, not Plus},
- {messages, {array,
+ {reply, "new_messages"},
+ {conversations, {array,
lists:map(
- fun({Mess, Repond_a}) ->
- Est_proprietaire = User =/= inconnu andalso User#user.id =:= Mess#minichat.auteur_id,
- A_repondu_a_message = User =/= inconnu andalso euphorik_bd:a_repondu_a_message(User#user.id, Mess#minichat.id),
- Est_une_reponse_a_user = User =/= inconnu andalso euphorik_bd:est_une_reponse_a_user(User#user.id, Mess#minichat.id),
- User_mess =
- if Mess#minichat.auteur_id =:= 0 ->
- inconnu;
- true ->
- {ok, U2} = euphorik_bd:user_by_id(Mess#minichat.auteur_id),
- U2
- end,
+ fun({Conv, Plus}) ->
{struct, [
- {id, Mess#minichat.id},
- {date, format_date(Mess#minichat.date)},
- {system, Mess#minichat.auteur_id =:= 0},
- {owner, Est_proprietaire},
- {answered, A_repondu_a_message},
- {is_a_reply, Est_une_reponse_a_user},
- {nick, Mess#minichat.pseudo},
- {login, if User_mess =:= inconnu -> Mess#minichat.pseudo; true -> User_mess#user.login end},
- {content, Mess#minichat.contenu},
- {answer_to, {array, lists:map(
- fun(Id_mess) ->
- {ok, M} = euphorik_bd:message_by_id(Id_mess),
- {ok, User_reponse} = euphorik_bd:user_by_mess(M#minichat.id),
- {struct, [{id, M#minichat.id}, {nick, M#minichat.pseudo}, {login, User_reponse#user.login}]}
- end,
- Repond_a
- )}},
- {ek_master, User_mess#user.ek_master}
+ {last_page, not Plus},
+ {messages, {array,
+ lists:map(
+ fun({Mess, Repond_a}) ->
+ Est_proprietaire = User =/= inconnu andalso User#user.id =:= Mess#minichat.auteur_id,
+ A_repondu_a_message = User =/= inconnu andalso euphorik_bd:a_repondu_a_message(User#user.id, Mess#minichat.id),
+ Est_une_reponse_a_user = User =/= inconnu andalso euphorik_bd:est_une_reponse_a_user(User#user.id, Mess#minichat.id),
+ {ok, User_mess } = euphorik_bd:user_by_id(Mess#minichat.auteur_id),
+ {struct, [
+ {id, Mess#minichat.id},
+ {user_id, User_mess#user.id},
+ {date, format_date(Mess#minichat.date)},
+ {system, Mess#minichat.auteur_id =:= 0},
+ {owner, Est_proprietaire},
+ {answered, A_repondu_a_message},
+ {is_a_reply, Est_une_reponse_a_user},
+ {nick, Mess#minichat.pseudo},
+ {login, User_mess#user.login},
+ {content, Mess#minichat.contenu},
+ {answer_to, {array, lists:map(
+ fun(Id_mess) ->
+ {ok, M} = euphorik_bd:message_by_id(Id_mess),
+ {ok, User_reponse} = euphorik_bd:user_by_mess(M#minichat.id),
+ {struct, [{id, M#minichat.id}, {nick, M#minichat.pseudo}, {login, User_reponse#user.login}]}
+ end,
+ Repond_a
+ )}},
+ {ek_master, User_mess#user.ek_master}
+ ]}
+ end,
+ Conv
+ )
+ }}
]}
end,
- Conv
+ Conversations
)
}}
]}
- end,
- euphorik_minichat_conversation:conversations(
- Conversations,
- Message_count,
- Last_message_id,
- Main_page
- )
- )\r
- }}\r
- ]}.
-
+ end
+ end.
+
+
+% Attend un événement lié à la page 'chat'.
+wait_event_bd_page_chat() ->
+ receive % attente d'un post
+ {mnesia_table_event, {write, minichat, _Message, [], _}} ->
+ ok;
+ {mnesia_table_event, {write, troll, Troll, [Old_troll | _], _}} when Troll#troll.date_post =/= undefined, Old_troll#troll.date_post == undefined ->
+ ok;
+ {tcp_closed, _} ->
+ exit(normal);
+ _ ->
+ wait_event_bd_page_chat()
+ % 60 minutes de timeout (on ne sais jamais)
+ % Après 60 minutes de connexion, le client doit donc reétablir une connexion
+ after 1000 * 60 * 60 ->
+ timeout
+ end.
+
+
+% Attent un événement concernant la page admin
+% Renvoie les trolls manquants posté après Last_id ou banned_ips_refresh.
+% Si pas de trolls alors attend un événement tel qu'un ajout, une modification ou une suppression.
+% renvoie :
+% {mod, Troll}
+% ou {add, [Trolls]}
+% ou {del, Troll_id}
+% ou banned_ips_refresh
+% ou timeout
+wait_event_page_admin(Last_id) ->
+ case {mnesia:subscribe({table, troll, detailed}), mnesia:subscribe({table, ip_table, detailed})} of
+ {{error, E}, _ } -> E;
+ {_, {error, E}} -> E;
+ _ ->
+ R = case euphorik_bd:trolls(Last_id) of
+ [] -> % pas de trolls
+ wait_event_page_admin();
+ Trolls ->
+ {add, Trolls}
+ end,
+ mnesia:unsubscribe({table, troll, detailed}),
+ mnesia:unsubscribe({table, ip_table, detailed}),
+ R
+ end.
+
+wait_event_page_admin() ->
+ % s'il n'y a pas de trolls que l'utilisateur n'a pas connaissance alors on attend un événement
+ receive
+ % cas où un troll est choisit comme courant
+ {mnesia_table_event, {write, troll, Troll, [Old_troll | _], _}}
+ when Old_troll#troll.date_post =:= undefined, Troll#troll.date_post =/= undefined ->
+ {del, Troll#troll.id};
+ {mnesia_table_event, {write, troll, Troll, [_Old_troll | _], _}} ->
+ {mod, Troll};
+ {mnesia_table_event, {write, troll, Troll, [], _}} ->
+ {add, [Troll]};
+ {mnesia_table_event, {delete, troll, {troll, Id}, _, _}} ->
+ {del, Id};
+ {mnesia_table_event, {write, ip_table, IP, [Old_IP | _], _}}
+ when Old_IP#ip_table.ban =/= IP#ip_table.ban; Old_IP#ip_table.ban_duration =/= IP#ip_table.ban_duration ->
+ banned_ips_refresh;
+ {tcp_closed, _} ->
+ exit(normal);
+ _ ->
+ wait_event_page_admin()
+ % 60 minutes de timeout (on ne sais jamais)
+ % Après 60 minutes de connexion, le client doit donc reétablir une connexion
+ after 1000 * 60 * 60 ->
+ timeout
+ end.
+
% Un utilisateur envoie un message
put_message(
) ->
case euphorik_bd:user_by_cookie(Cookie) of
{ok, User} ->
- Strip_content = string:strip(Content),
- if (Strip_content =:= []) ->
- erreur("Message vide");
- true ->
- % TODO : non-atomique (update_pseudo+nouveau_message)
- euphorik_bd:update_pseudo_user(User#user.id, Nick),
- case euphorik_bd:nouveau_message(Strip_content, User#user.id, Answer_to) of
- erreur -> erreur("Impossible d'ajouter un nouveau message");
- _ ->
- json_reponse_ok()
+ case euphorik_bd:est_banni(User#user.id) of
+ {true, Temps_restant} ->
+ erreur("Vous êtes banni pour encore " ++ format_minutes(Temps_restant));
+ _ ->
+ Strip_content = string:strip(Content),
+ if Strip_content =:= [] ->
+ erreur("Message vide");
+ true ->
+ % TODO : non-atomique (update_pseudo+nouveau_message)
+ euphorik_bd:update_pseudo_user(User#user.id, Nick),
+ case euphorik_bd:nouveau_message(Strip_content, User#user.id, Answer_to) of
+ {erreur, R} -> erreur("Impossible d'ajouter un nouveau message. Raison : " ++ R);
+ _ ->
+ json_reponse_ok()
+ end
end
end;
- _ ->
- erreur("Utilisateur inconnu")
- end.
+ _ ->
+ erreur("Utilisateur inconnu")
+ end.
% bannissement d'un utilisateur (son ip est bannie)
[
{cookie, Cookie},
{duration, Duration},
- {user_id, User_id}
+ {user_id, User_id},
+ {reason, Reason}
+ ]) ->
+ % controle que l'utilisateur est un admin
+ case euphorik_bd:user_by_cookie(Cookie) of
+ {ok, User1 = #user{ek_master = true}} ->
+ case euphorik_bd:user_by_id(User_id) of
+ {ok, User1} ->
+ erreur("Il n'est pas possible de s'auto bannir");
+ {ok, User2 = #user{ek_master = false}} ->
+ euphorik_bd:ban(User2#user.last_ip, Duration),
+ euphorik_bd:nouveau_message_sys(lists:flatten(io_lib:format("''~s~s'' est ~s pour ~s.~s",
+ [
+ User2#user.pseudo,
+ if User2#user.login =:= [] -> ""; true -> " (" ++ User2#user.login ++ ")" end,
+ if Duration =< 15 -> "kické"; true -> "banni" end,
+ format_minutes(Duration),
+ if Reason =/= [] -> " - Raison: " ++ Reason; true -> "" end ++ "."
+ ]
+ ))),
+ json_reponse_ok();
+ {ok, _} ->
+ erreur("L'utilisateur est lui même un ekMaster");
+ _ ->
+ erreur("Utilisateur à bannir inconnu")
+ end;
+ _ ->
+ erreur("Utilisateur inconnu ou non ek master")
+ end.
+
+
+% slapage d'un user (avertissement)
+slap(
+ [
+ {cookie, Cookie},
+ {user_id, User_id},
+ {reason, Reason}
]) ->
+ % controle que l'utilisateur est un admin
+ case euphorik_bd:user_by_cookie(Cookie) of
+ {ok, User1 = #user{ek_master = true}} ->
+ case euphorik_bd:user_by_id(User_id) of
+ {ok, User1} ->
+ euphorik_bd:nouveau_message_sys(lists:flatten(io_lib:format("~s s'auto slap~s.",
+ [
+ User1#user.pseudo,
+ if Reason =/= [] -> " - Raison: " ++ Reason; true -> "" end
+ ]
+ ))),
+ json_reponse_ok();
+ {ok, User2 = #user{ek_master = false}} ->
+ euphorik_bd:nouveau_message_sys(lists:flatten(io_lib:format("~s se fait slaper par ~s.~s",
+ [
+ User2#user.pseudo,
+ User1#user.pseudo,
+ if Reason =/= [] -> " - Raison: " ++ Reason; true -> "" end ++ "."
+ ]
+ ))),
+ json_reponse_ok();
+ {ok, _} ->
+ erreur("L'utilisateur est lui même un ekMaster");
+ _ ->
+ erreur("Utilisateur à slaper inconnu")
+ end;
+ _ ->
+ erreur("Utilisateur inconnu ou non ek master")
+ end.
+
+
+put_troll(
+ [
+ {cookie, Cookie},
+ {content, Content}
+ ]
+) ->
% controle que l'utilisateur est un admin
case euphorik_bd:user_by_cookie(Cookie) of
{ok, User = #user{ek_master = true}} ->
- case euphorik_bd:user_by_id(User_id) of
- {ok, User} ->
- euphorik_bd:ban(User#user.last_ip, Duration);
+ case euphorik_bd:put_troll(User#user.id, Content) of
+ max_troll_reached_per_user ->
+ erreur(lists:flatten(io_lib:format("Le nombre de troll maximum par utilisateur est atteint : ~w ", [?NB_MAX_TROLL_WAITING_BY_USER])));
+ max_troll_reached ->
+ erreur(lists:flatten(io_lib:format("Le nombre de troll maximum en attente est atteint : ~w ", [?NB_MAX_TROLL_WAITING])));
+ _Id ->
+ json_reponse_ok()
+ end;
+ _ ->
+ erreur("Seul les ekMaster peuvent proposer des trolls")
+ end.
+
+
+mod_troll(
+ [
+ {cookie, Cookie},
+ {troll_id, Troll_id},
+ {content, Content}
+ ]
+) ->
+ % controle que l'utilisateur est un admin
+ case euphorik_bd:user_by_cookie(Cookie) of
+ {ok, User = #user{ek_master = true}} ->
+ User_id = User#user.id,
+ case euphorik_bd:troll_by_id(Troll_id) of
+ {ok, #troll{id_user = User_id}} ->
+ euphorik_bd:mod_troll(Troll_id, Content),
+ json_reponse_ok();
+ _ ->
+ erreur("Vous ne posséder pas ce troll")
+ end;
+ _ ->
+ erreur("Seul les ekMaster peuvent proposer des trolls")
+ end.
+
+
+del_troll(
+ [
+ {cookie, Cookie},
+ {troll_id, Troll_id}
+ ]
+) ->
+ % controle que l'utilisateur est un admin
+ case euphorik_bd:user_by_cookie(Cookie) of
+ {ok, User = #user{ek_master = true}} ->
+ User_id = User#user.id,
+ case euphorik_bd:troll_by_id(Troll_id) of
+ {ok, #troll{id_user = User_id}} ->
+ euphorik_bd:del_troll(Troll_id),
+ json_reponse_ok();
_ ->
- erreur("Utilisateur à bannir inconnu")
+ erreur("Vous ne posséder pas ce troll")
end;
_ ->
- erreur("Utilisateur inconnu ou non ek master")
+ erreur("Seul les ekMaster peuvent proposer des trolls")
end.
-
+
+
+unban_ip(
+ [
+ {cookie, Cookie},
+ {ip, IP}
+ ]
+) ->
+ case euphorik_bd:user_by_cookie(Cookie) of
+ {ok, #user{ek_master = true}} ->
+ euphorik_bd:deban(euphorik_common:unserialize_ip(IP)),
+ json_reponse_ok();
+ _ ->
+ erreur("Seul les ekMaster peuvent connaitre la liste des ips bannies")
+ end.
+
+
+list_banned_ips(
+ [
+ {cookie, Cookie}
+ ]
+) ->
+ case euphorik_bd:user_by_cookie(Cookie) of
+ {ok, #user{ek_master = true}} ->
+ {
+ struct,
+ [
+ {reply, "list_banned_ips"},
+ {list, {array, lists:map(
+ fun({IP, T, Users}) ->
+ {struct,
+ [
+ {ip, euphorik_common:serialize_ip(IP)},
+ {remaining_time, format_minutes(T)},
+ {users, {array, lists:map(
+ fun({Pseudo, Login}) ->
+ {struct,
+ [
+ {nick, Pseudo},
+ {login, Login}
+ ]
+ }
+ end,
+ Users
+ )}}
+ ]
+ }
+ end,
+ euphorik_bd:list_ban()
+ )}}
+ ]
+ };
+ _ ->
+ erreur("Seul les ekMaster peuvent connaitre la liste des ips bannies")
+ end.
+
% Construit une erreur
erreur(Message) ->
]
}.
+
+% Formatage de minutes.
+% par exemple : "1min", "45min", "1h23min", "1jour 2h34min"
+format_minutes(Min) ->
+ Jours = Min div (60 * 24),
+ Heures = Min rem (60 * 24) div 60,
+ Minutes = Min rem (60),
+ if Jours =/= 0 -> integer_to_list(Jours) ++ " Jour" ++ if Jours > 1 -> "s"; true -> "" end ++ " "; true -> "" end ++
+ if Heures =/= 0 -> integer_to_list(Heures) ++ " heure" ++ if Heures > 1 -> "s"; true -> "" end; true -> "" end ++
+ if Minutes == 0 ->
+ "";
+ true ->
+ " " ++ integer_to_list(Minutes) ++ " minute" ++ if Minutes > 1 -> "s"; true -> "" end
+ end.
+
\r
% Formatage d'une heure\r
% local_time() -> string\r
end ++\r
io_lib:format("~2.10.0B:~2.10.0B:~2.10.0B", [Heure, Minute, Seconde])
).
-
+
json_reponse_ok() ->
{struct, [{reply, "ok"}]}.
{email, User#user.email},
{css, User#user.css},
{nick_format, atom_to_list(User#user.nick_format)},
+ {view_times, User#user.view_times},
+ {view_tooltips, User#user.view_tooltips},
{main_page, User#user.page_principale},
{conversations,
{array,
projects / euphorik.git / blobdiff