*** empty log message ***

SVN Revision: 14

src/ejabberd_auth.erl

@@ -16,14 +16,17 @@
 -behaviour(gen_server).
 
 %% External exports
--export([start/0, start_link/0, set_password/2, check_password/2]).
+-export([start/0, start_link/0,
+	 set_password/2,
+	 check_password/2,
+	 try_register/2]).
 
 %% gen_server callbacks
 -export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2]).
 
 -record(state, {}).
 
--record(passwd, {jid, password}).
+-record(passwd, {user, password}).
 
 %%%----------------------------------------------------------------------
 %%% API
@@ -92,9 +95,11 @@ terminate(Reason, State) ->
 %%% Internal functions
 %%%----------------------------------------------------------------------
 
-check_password(Jid, Password) ->
+% TODO: lowercase user name
+
+check_password(User, Password) ->
     F = fun() ->
-		case mnesia:read({passwd, Jid}) of
+		case mnesia:read({passwd, User}) of
 		    [E] ->
 			E#passwd.password
 		end
@@ -107,16 +112,21 @@ check_password(Jid, Password) ->
     end.
 
 
-set_password(Jid, Password) ->
+set_password(User, Password) ->
     F = fun() ->
-		case mnesia:read({passwd, Jid}) of
-		    [] ->
-			New = #passwd{jid = Jid, password = Password},
-			mnesia:write(New);
-		    [E] ->
-			New = E#passwd{password = Password},
-			mnesia:write(New)
-		end
+		mnesia:write(#passwd{user = User, password = Password})
         end,
     mnesia:transaction(F).
 
+try_register(User, Password) ->
+    F = fun() ->
+		case mnesia:read({passwd, User}) of
+		    [] ->
+			mnesia:write(#passwd{user = User, password = Password}),
+			ok;
+		    [E] ->
+			exists
+		end
+        end,
+    mnesia:transaction(F).
+    

src/ejabberd_c2s.erl

@@ -118,7 +118,20 @@ wait_for_auth({xmlstreamelement, El}, StateData) ->
 		    {next_state, wait_for_auth, StateData}
 	    end;
 	_ ->
-	    {next_state, wait_for_auth, StateData}
+	    case jlib:iq_query_info(El) of
+		{iq, ID, Type, "jabber:iq:register", SubEl} ->
+		    ResIQ = mod_register:process_iq(
+			      {"", "", ""}, {"", ?MYNAME, ""},
+			      {iq, ID, Type, "jabber:iq:register", SubEl}),
+		    Res1 = jlib:replace_from_to({"", ?MYNAME, ""},
+						{"", "", ""},
+						jlib:iq_to_xml(ResIQ)),
+		    Res = jlib:remove_attr("to", Res1),
+		    send_element(StateData#state.sender, Res),
+		    {next_state, wait_for_auth, StateData};
+		_ ->
+		    {next_state, wait_for_auth, StateData}
+	    end
     end;
 
 wait_for_auth({xmlstreamend, Name}, StateData) ->

src/jlib.erl

@@ -14,9 +14,15 @@
 	 make_error_reply/3,
 	 make_correct_from_to_attrs/3,
 	 replace_from_to_attrs/3,
+	 replace_from_to/3,
+	 remove_attr/2,
 	 string_to_jid/1,
 	 jid_to_string/1,
-	 tolower/1]).
+	 tolower/1,
+	 get_iq_namespace/1,
+	 iq_query_info/1,
+	 iq_to_xml/1,
+	 get_subtag/2]).
 
 
 %send_iq(From, To, ID, SubTags) ->
@@ -93,6 +99,16 @@ replace_from_to_attrs(From, To, Attrs) ->
     Attrs4 = [{"from", From} | Attrs3],
     Attrs4.
 
+replace_from_to(From, To, {xmlelement, Name, Attrs, Els}) ->
+    NewAttrs = replace_from_to_attrs(jlib:jid_to_string(From),
+				     jlib:jid_to_string(To),
+				     Attrs),
+    {xmlelement, Name, NewAttrs, Els}.
+
+
+remove_attr(Attr, {xmlelement, Name, Attrs, Els}) ->
+    NewAttrs = lists:keydelete(Attr, 1, Attrs),
+    {xmlelement, Name, NewAttrs, Els}.
 
 string_to_jid(J) ->
     string_to_jid1(J, "").
@@ -155,3 +171,70 @@ tolower_c(C) ->
 tolower(S) ->
     lists:map(fun tolower_c/1, S).
 
+
+
+get_iq_namespace({xmlelement, Name, Attrs, Els}) when Name == "iq" ->
+    case xml:remove_cdata(Els) of
+	[{xmlelement, Name2, Attrs2, Els2}] ->
+	    xml:get_attr_s("xmlns", Attrs2);
+	_ ->
+	    ""
+    end;
+get_iq_namespace(_) ->
+    "".
+
+iq_query_info({xmlelement, Name, Attrs, Els}) when Name == "iq" ->
+    ID = xml:get_attr_s("id", Attrs),
+    Type = xml:get_attr_s("type", Attrs),
+    case xml:remove_cdata(Els) of
+	[{xmlelement, Name2, Attrs2, Els2}] ->
+	    XMLNS = xml:get_attr_s("xmlns", Attrs2),
+	    Type1 = case Type of
+			"set" -> set;
+			"get" -> get;
+			_ -> invalid
+		    end,
+	    if
+		(Type1 /= invalid) and (XMLNS /= "") ->
+		    {iq, ID, Type1, XMLNS, {xmlelement, Name2, Attrs2, Els2}};
+		true ->
+		    invalid
+	    end;
+	_ ->
+	    invalid
+    end;
+iq_query_info(_) ->
+    not_iq.
+
+iq_type_to_string(set) -> "set";
+iq_type_to_string(get) -> "get";
+iq_type_to_string(result) -> "result";
+iq_type_to_string(error) -> "error";
+iq_type_to_string(_) -> invalid.
+
+
+iq_to_xml({iq, ID, Type, _, SubEl}) ->
+    if
+	ID /= "" ->
+	    {xmlelement, "iq",
+	     [{"id", ID}, {"type", iq_type_to_string(Type)}], SubEl};
+	true ->
+	    {xmlelement, "iq",
+	     [{"type", iq_type_to_string(Type)}], SubEl}
+    end.
+
+
+get_subtag({xmlelement, _, _, Els}, Name) ->
+    get_subtag1(Els, Name).
+
+get_subtag1([El | Els], Name) ->
+    case El of
+	{xmlelement, Name, _, _} ->
+	    El;
+	_ ->
+	    get_subtag1(Els, Name)
+    end;
+get_subtag1([], _) ->
+    false.
+
+

src/mod_register.erl

@@ -0,0 +1,75 @@
+%%%----------------------------------------------------------------------
+%%% File    : mod_register.erl
+%%% Author  : Alexey Shchepin <alexey@sevcom.net>
+%%% Purpose : 
+%%% Created :  8 Dec 2002 by Alexey Shchepin <alexey@sevcom.net>
+%%% Id      : $Id$
+%%%----------------------------------------------------------------------
+
+-module(mod_register).
+-author('alexey@sevcom.net').
+-vsn('$Revision$ ').
+
+-export([process_iq/3]).
+
+-include("ejabberd.hrl").
+
+process_iq(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
+    case Type of
+	set ->
+	    UTag = jlib:get_subtag(SubEl, "username"),
+	    PTag = jlib:get_subtag(SubEl, "password"),
+	    RTag = jlib:get_subtag(SubEl, "remove"),
+	    if
+		(UTag /= false) and (RTag /= false) ->
+		    {iq, ID, error, XMLNS,
+		     [SubEl, {xmlelement,
+			      "error",
+			      [{"code", "501"}],
+			      [{xmlcdata, "Not Implemented"}]}]};
+		(UTag /= false) and (PTag /= false) ->
+		    User = xml:get_tag_cdata(UTag),
+		    Password = xml:get_tag_cdata(PTag),
+		    Server = ?MYNAME,
+		    case From of
+			{User, Server, _} ->
+			    ejabberd_auth:set_password(User, Password),
+			    {iq, ID, result, XMLNS, [SubEl]};
+			_ ->
+			    case try_register(User, Password) of
+				ok ->
+				    {iq, ID, result, XMLNS, [SubEl]};
+				{error, Code, Reason} ->
+				    {iq, ID, error, XMLNS,
+				     [SubEl, {xmlelement,
+					      "error",
+					      [{"code", Code}],
+					      [{xmlcdata, Reason}]}]}
+			    end
+		    end
+	    end;
+	get ->
+	    {iq, ID, error, XMLNS, [{xmlelement,
+				     "query",
+				     [{"xmlns", "jabber:iq:register"}],
+				     [{xmlelement, "instructions", [],
+				       {xmlcdata,
+					"Choose a username and password "
+					"to register with this server."}},
+				      {xmlelement, "username", [], []},
+				      {xmlelement, "password", [], []}]}]}
+    end.
+
+
+try_register(User, Password) ->
+    case ejabberd_auth:try_register(User, Password) of
+	{atomic, ok} ->
+	    ok;
+	{atomic, exists} ->
+	    {error, "400", "Bad Request"};
+	{error, Reason} ->
+	    {error, "500", "Internal Server Error"}
+    end.
+
+
+

src/xml.erl

@@ -10,7 +10,8 @@
 -author('alexey@sevcom.net').
 -vsn('$Revision$ ').
 
--export([element_to_string/1, crypt/1, remove_cdata/1, get_cdata/1,
+-export([element_to_string/1, crypt/1, remove_cdata/1,
+	 get_cdata/1, get_tag_cdata/1,
 	 get_attr/2, get_attr_s/2]).
 
 element_to_string(El) ->
@@ -72,7 +73,9 @@ get_cdata([_ | L], S) ->
     get_cdata(L, S);
 get_cdata([], S) ->
     S.
-    
+
+get_tag_cdata({xmlelement, Name, Attrs, Els}) ->
+    get_cdata(Els).
 
 get_attr(AttrName, Attrs) ->
     case lists:keysearch(AttrName, 1, Attrs) of