working version

README.md

@@ -1,19 +1,34 @@
-This is work in progress.
+This Mod for Minetest adds objects that can be locked and shared.
 
-Aim: Create objects that can be locked and shared.
+It is written so that other objects/mods can easily use the functions provided here.
 
-Comes with a chest and sign. Ought to work with xdoors2locked.
+Comes with modified chest, sign and xyz' xdoor2 as sample objects.
+For the (unmodified) xdoors2, see http://minetest.net/forum/viewtopic.php?id=2757. Chest and sign take their textures out of default.
+The textures (lock, key and keychain) have been provided by Addi. Please consult textures/licence.txt.
+The code of the lock mod has been written by Sokomine.
 
-Who can open/use a locked object?
-- the owner (always)
-- anyone with the diglocks priv
-- anyone with the openlocks priv (only use - not dig)
-- anyone whose name has been added by the owner with the /add playername command
-- anyone who knows and types in the password that the owner did set with /set thisisthepassword
+A player may open/use a shared locked object if he/she is/has...
+- the owner
+- diglocks priv (may dig up shared locked objects)
+- openlocks priv (object may only be used - i.e. take something out of a chest, open a door - not digged up!)
+- has been added by the owner with the /add playername command
+- member of a playergroup that has been added with /add :playergroupname command (provided the playergroups mod is installed)
+- typed in the correct password that the owner did set with /set thisisthepassword
+
+Adds lock, key and keychain.
+- lock: craftitem to create shared locked objects (chests, signs, doors)
+- key: needed to open your own shared locked objects (a keychain is ok as well)
+- keychain: needed to open the shared locked objects of other players
+The tools do not have to be wielded. They just have to be in the players' inventory.
+Keys and keychains are not specific to a selected lock. They fit all locks - provided the player may open/use the object.
+Thus it is sufficient to carry around only one keychain to open all shared locked objects the player has access to.
+
+If you do not want any of the objects chest, sign and/or door, just remove the corresponding lines from the init.lua:
+dofile(minetest.get_modpath("locks").."/shared_locked_chest.lua");
+dofile(minetest.get_modpath("locks").."/shared_locked_sign_wall.lua");
+dofile(minetest.get_modpath("locks").."/shared_locked_xdoors2.lua");
+
+I hope this mod will be helpful.
+
+Sokomine
 
-TODO:
-- check if players added via /add playername actually exist
-- add groups of players for easier handling (i.e. a group :trusted for trusted users)
-- add key and keychain as objects required to use locked objects
-- add crafting receipes
-- better handling of the name of the object

depends.txt

@@ -0,0 +1 @@
+default

init.lua

@@ -6,7 +6,7 @@ minetest.register_privilege("openlocks", { description = "allows to open/use all
 minetest.register_privilege("diglocks",  { description = "allows to open/use and dig up all locked objects", give_to_singleplayer = false});
 
 -- initializes a lock (that is: prepare the metadata so that it can store data)
---  default_formspec is the formspec that will be used on right click; the input field for the commands will be added
+--  default_formspec is the formspec that will be used on right click; the input field for the commands has to exist 
 -- Call this in on_construct in register_node. Excample:
 --        on_construct = function(pos)
 --              locks:lock_init( pos, "" );
@@ -35,20 +35,60 @@ function locks:lock_init( pos, default_formspec )
    meta:set_string("password","");
    -- the last player who entered the right password (to save space this is not a list)
    meta:set_string("pw_user","");
-   -- this formspec is presented on right-click when the user has access
-   meta:set_string("default_formspec",default_formspec);
-   -- just to be sure...
+   -- this formspec is presented on right-click for every user
    meta:set_string("formspec",        default_formspec);
 end
 
 
+-- returns the information stored in the metadata strings (like owner etc.)
+function locks:get_lockdata( pos )
+   if( pos == nil ) then
+      return;
+   end
+ 
+   local meta = minetest.env:get_meta(pos);
+   if( meta == nil) then
+      return;
+   end
+
+   return{ infotext      = (meta:get_string( "infotext" ) or ""),
+           owner         = (meta:get_string( "owner"    ) or ""),
+           allowed_users = (meta:get_string( "allowed_users" ) or ""),
+           password      = (meta:get_string( "password"      ) or ""),
+           pw_user       = (meta:get_string( "w_user"        ) or ""),
+           formspec      = (meta:get_string( "formspec"      ) or "")
+   };
+end
+
+
+-- sets all the metadata the look needs (used e.g. in doors)
+function locks:set_lockdata( pos, data )
+   if( pos == nil ) then
+      return;
+   end
+ 
+   local meta = minetest.env:get_meta(pos);
+   if( meta == nil) then
+      return;
+   end
+   
+   meta:set_string("infotext",     (data.infotext      or ""));
+   meta:set_string("owner",        (data.owner         or ""));
+   meta:set_string("allowed_users",(data.allowed_users or ""));
+   meta:set_string("password",     (data.password      or ""));
+   meta:set_string("pw_user",      (data.pw_user       or ""));
+   meta:set_string("formspec",     (data.formspec      or ""));
+end
+
+
+
 
 -- Set the owner of the locked object.
 -- Call this in after_place_node in register_node. Example:
 --        after_place_node = function(pos, placer)
---                locks:lock_set_owner( pos, placer );
+--                locks:lock_set_owner( pos, placer, "Shared locked object" );
 --        end,
-function locks:lock_set_owner( pos, player_or_name )
+function locks:lock_set_owner( pos, player_or_name, description )
 
    if( pos == nil or player_or_name == nil ) then
       print( "Error: [locks] Missing/wrong parameters to lock_set_owner");
@@ -67,8 +107,8 @@ function locks:lock_set_owner( pos, player_or_name )
    end
 
    meta:set_string("owner", player_or_name or "");
-   -- TODO: not very convincing...has to carry the name of the object
-   meta:set_string("infotext", "Locked object (owned by "..meta:get_string("owner")..")");
+   -- add the name of the owner to the description
+   meta:set_string("infotext", ( description or "Shared lockecd object" ).." (owned by "..meta:get_string("owner")..")");
 end
 
 
@@ -124,29 +164,60 @@ function locks:lock_allow_use( pos, player )
       return false;
    end
 
-   -- TODO: the player has to have a key (when allowed to dig) or else a keychain for this to be actually allowed
+   local name = player:get_player_name();
+   local meta = minetest.env:get_meta(pos);
 
+   -- the player has to have a key or a keychain to open his own shared locked objects
+   if( name == meta:get_string("owner")) then      
+
+      if(     not( player:get_inventory():contains_item("main","locks:keychain 1"))
+          and not( player:get_inventory():contains_item("main","locks:key 1"))) then
+          minetest.chat_send_player( name, "You do not have a key or a keychain. Without that you can't use your shared locked objects!");
+          return false;
+      end
+
+   -- the player has to have a keychain to open shared locked objects of other players
+   else 
+
+      if( not( player:get_inventory():contains_item("main","locks:keychain 1"))) then
+         minetest.chat_send_player(name, "You do not have a keychain. Without that you can't open shared locked objects of other players!");
+         return false;
+      end
+   end
+      
    -- if the user would even be allowed to dig this node up, using the node is allowed as well 
    if( locks:lock_allow_dig( pos, player )) then
       return true;
    end
 
-   local name = player:get_player_name();
+
+   if( meta == nil ) then
+      minetest.chat_send_player( name, "Error: Could not access metadata of this shared locked object.");
+      return false;
+   end
 
    -- players with openlocks priv can open locked objects 
    if( minetest.check_player_privs(name, {openlocks=true})) then
-     return true;
+      return true;
    end
 
    -- the player might be specificly allowed to use this object through allowed_users
    local liste = meta:get_string("allowed_users"):split( "," );
    for i in ipairs( liste ) do
+ 
       if( liste[i] == name ) then
          return true;
       end
+
+      -- the player might member of a playergroup that is allowed to use this object
+      if( liste[i]:sub(1,1) == ":"
+        and playergroups ~= nil
+        and playergroups:is_group_member( meta:get_string("owner"), liste[i]:sub(2), name )) then
+         return true;
+      end
+
    end
 
-   -- TODO: the player might be in a group of players allowed to use this (also listed in allowed_users)
 
    -- the player may have entered the right password
    if( name == meta:get_string("pw_user")) then
@@ -154,7 +225,7 @@ function locks:lock_allow_use( pos, player )
    end
 
    -- the lock may have a password set. If this is the case then ask the user for it
-   if( meta:get_string( "password" ) and meta:get_sring( "password" ) ~= "" ) then
+   if( meta:get_string( "password" ) and meta:get_string( "password" ) ~= "" ) then
       minetest.chat_send_player(name, "Access denied. Right-click and enter password first!");
       return false;
    end
@@ -184,8 +255,8 @@ function locks:lock_handle_input( pos, formname, fields, player )
    end
 
    -- is this input the lock is supposed to handle?
-   if(   not( fields.locks_sent_input )
-      or not( fields.locks_sent_lock_command )
+   if(   not( fields.locks_sent_lock_command )
+--    or not( fields.locks_sent_input )
       or fields.locks_sent_lock_command == "" ) then
      return;
    end
@@ -218,12 +289,23 @@ function locks:lock_handle_input( pos, formname, fields, player )
       return;
    end -- of /help
 
+   -- sanitize player input
+   if( fields.locks_sent_lock_command:find("[^%a%d%s_\- \/\:]")) then
+      minetest.chat_send_player(name, "Input contains unsupported characters. Allowed: a-z, A-Z, 0-9, _, -, :.");
+      return;
+   end
+    
+   if( #fields.locks_sent_lock_command > 60) then
+      minetest.chat_send_player(name, "Input too long. Only up to 80 characters supported.");
+      return;
+   end
+   
 
    -- other players can only try to input the correct password
    if( name ~= meta:get_string( "owner" )) then 
 
       -- no need to bother with trying other PWs if none is set...
-      if( meta.get_string("password")=="" ) then
+      if( meta:get_string("password")=="" ) then
           minetest.chat_send_player(name, "There is no password set. Access denied.");
           return;
       end
@@ -330,7 +412,6 @@ function locks:lock_handle_input( pos, formname, fields, player )
       return;
    end
 
-   -- TODO: check if the player exists....
 
    if( help[1]=="/add" ) then
 
@@ -339,9 +420,46 @@ function locks:lock_handle_input( pos, formname, fields, player )
          return;
       end
 
+      if( name == help[2] ) then
+         minetest.chat_send_player(name, "You are already owner of this object.");
+         return;
+      end
+        
+      -- the player might try to add a playergroup
+      if( help[2]:sub(1,1) == ":" ) then
+          
+         if( not( playergroups )) then
+            minetest.chat_send_player(name, "Sorry, this server does not support playergroups.");
+            return;
+         end
+
+         if( #help[2]<2 ) then
+            minetest.chat_send_player(name, "Please specify the name of the playergroup you want to add!");
+            return;
+         end
+
+         if( not( playergroups:is_playergroup(meta:get_string("owner"), help[2]:sub(2) ))) then
+            minetest.chat_send_player(name, "You do not have a playergroup named \""..tostring( help[2]:sub(2)).."\".");
+            return;
+         end
+ 
+      else
+            
+         -- check if the player exists
+         local privs = minetest.get_player_privs( help[2] );
+         if( not( privs ) or not( privs.interact )) then
+            minetest.chat_send_player(name, "Player \""..help[2].."\" not found or has no interact privs.");
+            return;
+         end
+      end
+        
       meta:set_string( "allowed_users", meta:get_string("allowed_users")..","..help[2] );
 
-      minetest.chat_send_player(name, help[2].." may now use/access this locked object.");
+      if( help[2]:sub(1,1) == ":" ) then
+         minetest.chat_send_player(name, "All members of your playergroup "..tostring(help[2]:sub(2)).." may now use/access this locked object.");
+      else
+         minetest.chat_send_player(name, help[2].." may now use/access this locked object.");
+      end
       return;
    end
 
@@ -349,10 +467,7 @@ function locks:lock_handle_input( pos, formname, fields, player )
    if( help[1]=="/del" ) then
 
       userlist  = meta:get_string("allowed_users"):split( ","..help[2] );
-      if( userlist[2]==nil ) then
-         userlist[2]="";
-      end 
-      meta:set_string( "allowed_users", userlist[1]..userlist[2] );
+      meta:set_string( "allowed_users", ( userlist[1] or "" )..(userlist[2] or "" ));
       
       minetest.chat_send_player(name, "Access for player \""..tostring(help[2]).."\" has been revoked.");
       return;
@@ -363,146 +478,56 @@ end
 
 
 
--- a chest
-minetest.register_node("locks:locked_shared_chest", {
-       description = "Locked shared chest",
-        tiles = {"default_chest_top.png", "default_chest_top.png", "default_chest_side.png",
-                "default_chest_side.png", "default_chest_side.png", "default_chest_front.png"},
-        paramtype2 = "facedir",
-        groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
-        legacy_facedir_simple = true,
-
-        on_construct = function(pos)
-                local meta = minetest.env:get_meta(pos)
-                -- prepare the lock of the chest
-                locks:lock_init( pos, 
-                                "size[8,10]"..
---                                "field[0.5,0.2;8,1.0;locks_sent_lock_command;Locked chest. Type password, command or /help for help:;]"..
---                                "button_exit[3,0.8;2,1.0;locks_sent_input;Proceed]"..
-                                "list[current_name;main;0,0;8,4;]"..
-                                "list[current_player;main;0,5;8,4;]"..
-                                "field[0.3,9.6;6,0.7;locks_sent_lock_command;Locked chest. Type /help for help:;]"..
-                                "button_exit[6.3,9.2;1.7,0.7;locks_sent_input;Proceed]" );
---                                "size[8,9]"..
---                                "list[current_name;main;0,0;8,4;]"..
---                                "list[current_player;main;0,5;8,4;]");
-                local inv = meta:get_inventory()
-                inv:set_size("main", 8*4)
-        end,
-
-        after_place_node = function(pos, placer)
-                locks:lock_set_owner( pos, placer );
-        end,
+-- craftitem; that can be used to craft shared locked objects
+minetest.register_craftitem("locks:lock", {
+        description = "Lock to lock and share objects",
+        image = "locks_lock16.png",
+});
 
 
-        can_dig = function(pos,player)
-               
-                if( not(locks:lock_allow_dig( pos, player ))) then
-                   return false;
-                end
-                local meta = minetest.env:get_meta(pos);
-                local inv = meta:get_inventory()
-                return inv:is_empty("main")
-        end,
-
-        on_receive_fields = function(pos, formname, fields, sender)
-                locks:lock_handle_input( pos, formname, fields, sender );
-        end,
- 
- 
-
-        allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
-                if( not( locks:lock_allow_use( pos, player ))) then
-                   return 0;
-                end
-                return count;
-        end,
-        allow_metadata_inventory_put = function(pos, listname, index, stack, player)
-                if( not( locks:lock_allow_use( pos, player ))) then
-                   return 0;
-                end
-                return stack:get_count()
-        end,
-        allow_metadata_inventory_take = function(pos, listname, index, stack, player)
-                if( not( locks:lock_allow_use( pos, player ))) then
-                   return 0;
-                end
-                return stack:get_count()
-        end,
-        on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
-                minetest.log("action", player:get_player_name()..
-                                " moves stuff in locked shared chest at "..minetest.pos_to_string(pos))
-        end,
-        on_metadata_inventory_put = function(pos, listname, index, stack, player)
-                minetest.log("action", player:get_player_name()..
-                                " moves stuff to locked shared chest at "..minetest.pos_to_string(pos))
-        end,
-        on_metadata_inventory_take = function(pos, listname, index, stack, player)
-                minetest.log("action", player:get_player_name()..
-                                " takes stuff from locked shared chest at "..minetest.pos_to_string(pos))
-        end,
+minetest.register_craft({
+        output = "locks:lock 2",
+        recipe = {
+                 {'default:steel_ingot', 'default:steel_ingot','default:steel_ingot'},
+                 {'default:steel_ingot', '',                   'default:steel_ingot'},
+                 {'',                    'default:steel_ingot',''},
+                }
+        });
 
 
-})
+-- a key allowes to open your own shared locked objects
+minetest.register_craftitem("locks:key", {
+        description = "Key to open your own shared locked objects",
+        image = "locks_key32.png",
+});
+
+minetest.register_craft({
+        output = "locks:key",
+        recipe = {
+                 {'',                    'default:steel_ingot',''},
+                 {'',                    'default:stick',      ''},
+                 {'',                    '',                   ''},
+                }
+        });
 
 
--- a sign
-minetest.register_node("locks:locked_shared_sign_wall", {
-        description = "Locked shared sign",
-        drawtype = "signlike",
-        tiles = {"default_sign_wall.png"},
-        inventory_image = "default_sign_wall.png",
-        wield_image = "default_sign_wall.png",
-        paramtype = "light",
-        paramtype2 = "wallmounted",
-        sunlight_propagates = true,
-        walkable = false,
-        selection_box = {
-                type = "wallmounted",
-                --wall_top = <default>
-                --wall_bottom = <default>
-                --wall_side = <default>
-        },
-        groups = {choppy=2,dig_immediate=2},
-        legacy_wallmounted = true,
+
+-- in order to open shared locked objects of other players, a keychain is needed (plus the owner has to admit it via /add playername or through /set password)
+minetest.register_craftitem("locks:keychain", {
+        description = "Keychain to open shared locked objects of others",
+        image = "locks_keychain32.png",
+});
+
+minetest.register_craft({
+        output = "locks:keychain",
+        recipe = {
+                 {'',                    'default:steel_ingot', '' },
+                 {'locks:key',           'locks:key',           'locks:key'},
+                }
+        });
+
+dofile(minetest.get_modpath("locks").."/shared_locked_chest.lua");
+dofile(minetest.get_modpath("locks").."/shared_locked_sign_wall.lua");
+dofile(minetest.get_modpath("locks").."/shared_locked_xdoors2.lua");
 
 
-        on_construct = function(pos)
-                local meta = minetest.env:get_meta(pos)
-                -- prepare the lock of the sign
-                locks:lock_init( pos, 
-                                "size[8,4]"..
-                                "field[0.3,0.6;6,0.7;text;Text:;]"..
-                                "field[0.3,3.6;6,0.7;locks_sent_lock_command;Locked sign. Type /help for help:;]"..
-                                "button_exit[6.3,3.2;1.7,0.7;locks_sent_input;Proceed]" );
-        end,
-
-        after_place_node = function(pos, placer)
-                locks:lock_set_owner( pos, placer );
-        end,
-
-
-        can_dig = function(pos,player)
-                return locks:lock_allow_dig( pos, player );
-        end,
-
-        on_receive_fields = function(pos, formname, fields, sender)
-
-                -- if the user already has the right to use this and did input text
-                if( fields.text and locks:lock_allow_use( pos, sender )) then
-
-                    --print("Sign at "..minetest.pos_to_string(pos).." got "..dump(fields))
-                    local meta = minetest.env:get_meta(pos)
-                    fields.text = fields.text or "";
-                    print((sender:get_player_name() or "").." wrote \""..fields.text..
-                                "\" to sign at "..minetest.pos_to_string(pos));
-                    meta:set_string("text", fields.text.." ["..sender:get_player_name().."]");
-                    meta:set_string("infotext", '"'..fields.text..'"'.." ["..sender:get_player_name().."]");
-
-                -- a command for the lock?
-                else
-                   locks:lock_handle_input( pos, formname, fields, sender );
-                end
-  
-        end,
- });

liscence.txt

@@ -0,0 +1,19 @@
+License of locks mod for Minetest-c55 
+-------------------------------------
+
+
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+

shared_locked_chest.lua

@@ -0,0 +1,90 @@
+
+minetest.register_node("locks:shared_locked_chest", {
+       description = "Shared locked chest",
+        tiles = {"default_chest_top.png", "default_chest_top.png", "default_chest_side.png",
+                "default_chest_side.png", "default_chest_side.png", "default_chest_front.png"},
+        paramtype2 = "facedir",
+        groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
+        legacy_facedir_simple = true,
+
+        on_construct = function(pos)
+                local meta = minetest.env:get_meta(pos)
+                -- prepare the lock of the chest
+                locks:lock_init( pos, 
+                                "size[8,10]"..
+--                                "field[0.5,0.2;8,1.0;locks_sent_lock_command;Locked chest. Type password, command or /help for help:;]"..
+--                                "button_exit[3,0.8;2,1.0;locks_sent_input;Proceed]"..
+                                "list[current_name;main;0,0;8,4;]"..
+                                "list[current_player;main;0,5;8,4;]"..
+                                "field[0.3,9.6;6,0.7;locks_sent_lock_command;Locked chest. Type /help for help:;]"..
+                                "button_exit[6.3,9.2;1.7,0.7;locks_sent_input;Proceed]" );
+--                                "size[8,9]"..
+--                                "list[current_name;main;0,0;8,4;]"..
+--                                "list[current_player;main;0,5;8,4;]");
+                local inv = meta:get_inventory()
+                inv:set_size("main", 8*4)
+        end,
+
+        after_place_node = function(pos, placer)
+                locks:lock_set_owner( pos, placer, "Shared locked chest" );
+        end,
+
+
+        can_dig = function(pos,player)
+               
+                if( not(locks:lock_allow_dig( pos, player ))) then
+                   return false;
+                end
+                local meta = minetest.env:get_meta(pos);
+                local inv = meta:get_inventory()
+                return inv:is_empty("main")
+        end,
+
+        on_receive_fields = function(pos, formname, fields, sender)
+                locks:lock_handle_input( pos, formname, fields, sender );
+        end,
+ 
+ 
+
+        allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+                if( not( locks:lock_allow_use( pos, player ))) then
+                   return 0;
+                end
+                return count;
+        end,
+        allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+                if( not( locks:lock_allow_use( pos, player ))) then
+                   return 0;
+                end
+                return stack:get_count()
+        end,
+        allow_metadata_inventory_take = function(pos, listname, index, stack, player)
+                if( not( locks:lock_allow_use( pos, player ))) then
+                   return 0;
+                end
+                return stack:get_count()
+        end,
+        on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+                minetest.log("action", player:get_player_name()..
+                                " moves stuff in locked shared chest at "..minetest.pos_to_string(pos))
+        end,
+        on_metadata_inventory_put = function(pos, listname, index, stack, player)
+                minetest.log("action", player:get_player_name()..
+                                " moves stuff to locked shared chest at "..minetest.pos_to_string(pos))
+        end,
+        on_metadata_inventory_take = function(pos, listname, index, stack, player)
+                minetest.log("action", player:get_player_name()..
+                                " takes stuff from locked shared chest at "..minetest.pos_to_string(pos))
+        end,
+
+
+})
+
+minetest.register_craft({
+   output = 'locks:shared_locked_chest',
+   recipe = {
+      { 'default:chest', 'locks:lock', '' },
+   },
+})
+
+print( "[Mod] locks: loading locks:shared_locked_chest");

shared_locked_sign_wall.lua

@@ -0,0 +1,74 @@
+
+-- a sign
+minetest.register_node("locks:shared_locked_sign_wall", {
+        description = "Shared locked sign",
+        drawtype = "signlike",
+        tiles = {"default_sign_wall.png"},
+        inventory_image = "default_sign_wall.png",
+        wield_image = "default_sign_wall.png",
+        paramtype = "light",
+        paramtype2 = "wallmounted",
+        sunlight_propagates = true,
+        walkable = false,
+        selection_box = {
+                type = "wallmounted",
+                --wall_top = <default>
+                --wall_bottom = <default>
+                --wall_side = <default>
+        },
+        groups = {choppy=2,dig_immediate=2},
+        legacy_wallmounted = true,
+
+
+        on_construct = function(pos)
+                local meta = minetest.env:get_meta(pos)
+                -- prepare the lock of the sign
+                locks:lock_init( pos, 
+                                "size[8,4]"..
+                                "field[0.3,0.6;6,0.7;text;Text:;]"..
+                                "field[0.3,3.6;6,0.7;locks_sent_lock_command;Locked sign. Type /help for help:;]"..
+                                "button_exit[6.3,3.2;1.7,0.7;locks_sent_input;Proceed]" );
+        end,
+
+        after_place_node = function(pos, placer)
+                locks:lock_set_owner( pos, placer, "Shared locked sign" );
+        end,
+
+
+        can_dig = function(pos,player)
+                return locks:lock_allow_dig( pos, player );
+        end,
+
+        on_receive_fields = function(pos, formname, fields, sender)
+
+                -- if the user already has the right to use this and did input text
+                if(     fields.text 
+                    and ( not(fields.locks_sent_lock_command) 
+                           or fields.locks_sent_lock_command=="")
+                    and locks:lock_allow_use( pos, sender )) then
+
+                    --print("Sign at "..minetest.pos_to_string(pos).." got "..dump(fields))
+                    local meta = minetest.env:get_meta(pos)
+                    fields.text = fields.text or "";
+                    print((sender:get_player_name() or "").." wrote \""..fields.text..
+                                "\" to sign at "..minetest.pos_to_string(pos));
+                    meta:set_string("text", fields.text.." ["..sender:get_player_name().."]");
+                    meta:set_string("infotext", '"'..fields.text..'"'.." ["..sender:get_player_name().."]");
+
+                -- a command for the lock?
+                else
+                   locks:lock_handle_input( pos, formname, fields, sender );
+                end
+  
+        end,
+ });
+
+
+minetest.register_craft({
+   output = 'locks:shared_locked_sign_wall',
+   recipe = {
+      { 'default:sign_wall', 'locks:lock', '' },
+   },
+})
+
+print( "[Mod] locks: loading locks:shared_locked_sign_wall");

shared_locked_xdoors2.lua

@@ -0,0 +1,212 @@
+-- xDoors² mod by xyz
+-- modified by Sokomine to allow locked doors that can only be opened/closed/dig up by the player who placed them
+-- a little bit modified by addi to allow someone with the priv "opendoors" to open/close/dig all locked doors. 
+-- Sokomine: modified again so that it uses the new locks-mod
+
+local door_bottom = {-0.5, -0.5, -0.5, 0.5, 0.5, -0.4}
+local door_top = {
+    {-0.5, -0.5, -0.5, -0.3, 0.5, -0.4},
+    {0.3, -0.5, -0.5, 0.5, 0.5, -0.4},
+    {-0.3, 0.3, -0.5, 0.3, 0.5, -0.4},
+    {-0.3, -0.5, -0.5, 0.3, -0.4, -0.4},
+    {-0.05, -0.4, -0.5, 0.05, 0.3, -0.4},
+    {-0.3, -0.1, -0.5, -0.05, 0, -0.4},
+    {0.05, -0.1, -0.5, 0.3, 0, -0.4}
+}
+
+local is_top = function(name)
+    return name:sub(12, 12) == "t"
+end
+
+
+local xdoors2_transform = function(pos, node, puncher)
+
+    if( not( locks:lock_allow_use( pos, puncher ))) then
+      minetest.chat_send_player( puncher:get_player_name(), "This door is locked. It can only be opened by its owner or people with a key that fits.");
+      return;
+    end
+
+    if is_top(node.name) then
+        pos = {x = pos.x, y = pos.y - 1, z = pos.z}
+    end
+    local t = 3 - node.name:sub(-1)
+    local p2 = 0
+    if t == 2 then
+        p2 = (node.param2 + 1) % 4
+    else
+        p2 = (node.param2 + 3) % 4
+    end
+	
+    local olddata = locks:get_lockdata( pos );
+    minetest.env:add_node(pos, {name = "locks:door_bottom_"..t, param2 = p2})
+    minetest.env:add_node({x = pos.x, y = pos.y + 1, z = pos.z}, {name = "locks:door_top_"..t, param2 = p2})
+
+    -- remember who owns the door, what passwords are set etc.
+    locks:set_lockdata( pos, olddata );
+    locks:set_lockdata( {x = pos.x, y = pos.y + 1, z = pos.z}, olddata );
+end
+
+
+local xdoors2_destruct = function(pos, oldnode)
+    if is_top(oldnode.name) then
+        pos = {x = pos.x, y = pos.y - 1, z = pos.z}
+    end
+    minetest.env:remove_node(pos)
+    minetest.env:remove_node({x = pos.x, y = pos.y + 1, z = pos.z})
+end
+
+for i = 1, 2 do
+    minetest.register_node("locks:door_top_"..i, {
+        tile_images = {"xdoors2_side.png", "xdoors2_side.png", "xdoors2_top.png", "xdoors2_bottom.png", "xdoors2_top_"..(3 - i)..".png", "xdoors2_top_"..i..".png"},
+        paramtype = "light",
+        paramtype2 = "facedir",
+        drawtype = "nodebox",
+        drop = "locks:door",
+        groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
+        node_box = {
+            type = "fixed",
+            fixed = door_top
+        },
+        selection_box = {
+            type = "fixed",
+            fixed = door_bottom
+        },
+        on_punch = xdoors2_transform,
+        after_dig_node = xdoors2_destruct,
+
+        on_construct = function(pos)
+                locks:lock_init( pos,
+                               "size[8,2]"..
+                               "field[0.3,0.6;6,0.7;locks_sent_lock_command;Locked door. Type /help for help:;]"..
+                               "button_exit[6.3,1.2;1.7,0.7;locks_sent_input;Proceed]" );
+        end,
+
+        on_receive_fields = function(pos, formname, fields, sender)
+                locks:lock_handle_input( pos, formname, fields, sender );
+        end,
+
+        can_dig = function(pos,player)
+                return locks:lock_allow_dig( pos, player );
+        end
+    })
+    minetest.register_node("locks:door_bottom_"..i, {
+        tile_images = {"xdoors2_side.png", "xdoors2_side.png", "xdoors2_top.png", "xdoors2_bottom.png", "locks_xdoors2_bottom_"..(3 - i)..".png", "locks_xdoors2_bottom_"..i..".png"},
+        paramtype = "light",
+        paramtype2 = "facedir",
+        drawtype = "nodebox",
+        drop = "locks:door",
+        groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
+        node_box = {
+            type = "fixed",
+            fixed = door_bottom
+        },
+        selection_box = {
+            type = "fixed",
+            fixed = door_bottom
+        },
+        on_punch = xdoors2_transform,
+        after_dig_node = xdoors2_destruct,
+
+        on_construct = function(pos)
+                locks:lock_init( pos,
+                               "size[8,2]"..
+                               "field[0.3,0.6;6,0.7;locks_sent_lock_command;Locked door. Type /help for help:;]"..
+                               "button_exit[6.3,0.2;1.7,0.7;locks_sent_input;Proceed]" );
+        end,
+
+        on_receive_fields = function(pos, formname, fields, sender)
+                locks:lock_handle_input( pos, formname, fields, sender );
+        end,
+
+        can_dig = function(pos,player)
+                return locks:lock_allow_dig( pos, player );
+        end
+    })
+end
+
+local delta = {
+    {x = -1, z = 0},
+    {x = 0, z = 1},
+    {x = 1, z = 0},
+    {x = 0, z = -1}
+}
+
+minetest.register_node("locks:door", {
+    description = "Shared locked Wooden Door",
+    node_placement_prediction = "",
+    inventory_image = 'locks_xdoors2_door.png',
+    wield_image = 'xdoors2_door.png',
+    stack_max = 1,
+    on_place = function(itemstack, placer, pointed_thing)
+        local above = pointed_thing.above
+
+        -- there should be 2 empty nodes
+        if minetest.env:get_node({x = above.x, y = above.y + 1, z = above.z}).name ~= "air" then
+            return itemstack
+        end
+        
+        local fdir = 0
+        local placer_pos = placer:getpos()
+        if placer_pos then
+            dir = {
+                x = above.x - placer_pos.x,
+                y = above.y - placer_pos.y,
+                z = above.z - placer_pos.z
+            }
+            fdir = minetest.dir_to_facedir(dir)
+        end
+
+        local t = 1
+        local another_door = minetest.env:get_node({x = above.x + delta[fdir + 1].x, y = above.y, z = above.z + delta[fdir + 1].z})
+        if (another_door.name:sub(-1) == "1" and another_door.param2 == fdir)
+            or (another_door.name:sub(-1) == "2" and another_door.param2 == (fdir + 1) % 4) then
+            t = 2
+        end
+
+        minetest.env:add_node(above, {name = "locks:door_bottom_"..t, param2 = fdir})
+        minetest.env:add_node({x = above.x, y = above.y + 1, z = above.z}, {name = "locks:door_top_"..t, param2 = fdir})
+
+        -- store who owns the door; the other data can be default for now
+        locks:lock_set_owner( above, placer:get_player_name() or "", "Shared locked door");
+        locks:lock_set_owner( {x = above.x, y = above.y + 1, z = above.z}, placer:get_player_name() or "", "Shared locked door");
+
+        return ItemStack("")
+    end
+})
+
+
+-- if xdoors2 is installed
+if( minetest.get_modpath("xdoors2") ~= nil ) then
+   minetest.register_craft({
+      output = 'locks:door',
+      recipe = {
+         { 'xdoors2:door', 'locks:lock', '' },
+      },
+   });
+
+-- if the normal doors are installed
+else if( minetest.get_modpath("doors") ~= nil ) then
+
+   minetest.register_craft({
+      output = 'locks:door',
+      recipe = {
+         { 'doors:door_wood', 'locks:lock', '' },
+      },
+   })
+
+-- fallback if no doors can be found
+else
+   minetest.register_craft({
+      output = 'locks:door',
+      recipe = {
+         { 'default:wood', 'default:wood', '' },
+         { 'default:wood', 'default:wood', 'locks:lock' },
+         { 'default:wood', 'default:wood', '' },
+      },
+   });
+end
+end -- of previous else
+
+
+
+print( "[Mod] locks: loading locks:door");

textures/licence.txt

@@ -0,0 +1,88 @@
+Licence for the following grafiks:
+lock
+key
+keychain
+
+author: addi
+
+This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
+http://creativecommons.org/licenses/by-sa/3.0/
+
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+You are free:
+
+    to Share — to copy, distribute and transmit the work
+    to Remix — to adapt the work
+
+
+Under the following conditions:
+
+    Attribution — You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
+
+    Share Alike — If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one. 
+
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+	
+	License
+
+THE WORK (AS DEFINED BELOW) IS PROVIDED UNDER THE TERMS OF THIS CREATIVE COMMONS PUBLIC LICENSE ("CCPL" OR "LICENSE"). THE WORK IS PROTECTED BY COPYRIGHT AND/OR OTHER APPLICABLE LAW. ANY USE OF THE WORK OTHER THAN AS AUTHORIZED UNDER THIS LICENSE OR COPYRIGHT LAW IS PROHIBITED.
+
+BY EXERCISING ANY RIGHTS TO THE WORK PROVIDED HERE, YOU ACCEPT AND AGREE TO BE BOUND BY THE TERMS OF THIS LICENSE. TO THE EXTENT THIS LICENSE MAY BE CONSIDERED TO BE A CONTRACT, THE LICENSOR GRANTS YOU THE RIGHTS CONTAINED HERE IN CONSIDERATION OF YOUR ACCEPTANCE OF SUCH TERMS AND CONDITIONS.
+
+1. Definitions
+
+    "Adaptation" means a work based upon the Work, or upon the Work and other pre-existing works, such as a translation, adaptation, derivative work, arrangement of music or other alterations of a literary or artistic work, or phonogram or performance and includes cinematographic adaptations or any other form in which the Work may be recast, transformed, or adapted including in any form recognizably derived from the original, except that a work that constitutes a Collection will not be considered an Adaptation for the purpose of this License. For the avoidance of doubt, where the Work is a musical work, performance or phonogram, the synchronization of the Work in timed-relation with a moving image ("synching") will be considered an Adaptation for the purpose of this License.
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+
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+
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+
+    You may Distribute or Publicly Perform the Work only under the terms of this License. You must include a copy of, or the Uniform Resource Identifier (URI) for, this License with every copy of the Work You Distribute or Publicly Perform. You may not offer or impose any terms on the Work that restrict the terms of this License or the ability of the recipient of the Work to exercise the rights granted to that recipient under the terms of the License. You may not sublicense the Work. You must keep intact all notices that refer to this License and to the disclaimer of warranties with every copy of the Work You Distribute or Publicly Perform. When You Distribute or Publicly Perform the Work, You may not impose any effective technological measures on the Work that restrict the ability of a recipient of the Work from You to exercise the rights granted to that recipient under the terms of the License. This Section 4(a) applies to the Work as incorporated in a Collection, but this does not require the Collection apart from the Work itself to be made subject to the terms of this License. If You create a Collection, upon notice from any Licensor You must, to the extent practicable, remove from the Collection any credit as required by Section 4(c), as requested. If You create an Adaptation, upon notice from any Licensor You must, to the extent practicable, remove from the Adaptation any credit as required by Section 4(c), as requested.
+    You may Distribute or Publicly Perform an Adaptation only under the terms of: (i) this License; (ii) a later version of this License with the same License Elements as this License; (iii) a Creative Commons jurisdiction license (either this or a later license version) that contains the same License Elements as this License (e.g., Attribution-ShareAlike 3.0 US)); (iv) a Creative Commons Compatible License. If you license the Adaptation under one of the licenses mentioned in (iv), you must comply with the terms of that license. If you license the Adaptation under the terms of any of the licenses mentioned in (i), (ii) or (iii) (the "Applicable License"), you must comply with the terms of the Applicable License generally and the following provisions: (I) You must include a copy of, or the URI for, the Applicable License with every copy of each Adaptation You Distribute or Publicly Perform; (II) You may not offer or impose any terms on the Adaptation that restrict the terms of the Applicable License or the ability of the recipient of the Adaptation to exercise the rights granted to that recipient under the terms of the Applicable License; (III) You must keep intact all notices that refer to the Applicable License and to the disclaimer of warranties with every copy of the Work as included in the Adaptation You Distribute or Publicly Perform; (IV) when You Distribute or Publicly Perform the Adaptation, You may not impose any effective technological measures on the Adaptation that restrict the ability of a recipient of the Adaptation from You to exercise the rights granted to that recipient under the terms of the Applicable License. This Section 4(b) applies to the Adaptation as incorporated in a Collection, but this does not require the Collection apart from the Adaptation itself to be made subject to the terms of the Applicable License.
+    If You Distribute, or Publicly Perform the Work or any Adaptations or Collections, You must, unless a request has been made pursuant to Section 4(a), keep intact all copyright notices for the Work and provide, reasonable to the medium or means You are utilizing: (i) the name of the Original Author (or pseudonym, if applicable) if supplied, and/or if the Original Author and/or Licensor designate another party or parties (e.g., a sponsor institute, publishing entity, journal) for attribution ("Attribution Parties") in Licensor's copyright notice, terms of service or by other reasonable means, the name of such party or parties; (ii) the title of the Work if supplied; (iii) to the extent reasonably practicable, the URI, if any, that Licensor specifies to be associated with the Work, unless such URI does not refer to the copyright notice or licensing information for the Work; and (iv) , consistent with Ssection 3(b), in the case of an Adaptation, a credit identifying the use of the Work in the Adaptation (e.g., "French translation of the Work by Original Author," or "Screenplay based on original Work by Original Author"). The credit required by this Section 4(c) may be implemented in any reasonable manner; provided, however, that in the case of a Adaptation or Collection, at a minimum such credit will appear, if a credit for all contributing authors of the Adaptation or Collection appears, then as part of these credits and in a manner at least as prominent as the credits for the other contributing authors. For the avoidance of doubt, You may only use the credit required by this Section for the purpose of attribution in the manner set out above and, by exercising Your rights under this License, You may not implicitly or explicitly assert or imply any connection with, sponsorship or endorsement by the Original Author, Licensor and/or Attribution Parties, as appropriate, of You or Your use of the Work, without the separate, express prior written permission of the Original Author, Licensor and/or Attribution Parties.
+    Except as otherwise agreed in writing by the Licensor or as may be otherwise permitted by applicable law, if You Reproduce, Distribute or Publicly Perform the Work either by itself or as part of any Adaptations or Collections, You must not distort, mutilate, modify or take other derogatory action in relation to the Work which would be prejudicial to the Original Author's honor or reputation. Licensor agrees that in those jurisdictions (e.g. Japan), in which any exercise of the right granted in Section 3(b) of this License (the right to make Adaptations) would be deemed to be a distortion, mutilation, modification or other derogatory action prejudicial to the Original Author's honor and reputation, the Licensor will waive or not assert, as appropriate, this Section, to the fullest extent permitted by the applicable national law, to enable You to reasonably exercise Your right under Section 3(b) of this License (right to make Adaptations) but not otherwise.
+
+5. Representations, Warranties and Disclaimer
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+6. Limitation on Liability. EXCEPT TO THE EXTENT REQUIRED BY APPLICABLE LAW, IN NO EVENT WILL LICENSOR BE LIABLE TO YOU ON ANY LEGAL THEORY FOR ANY SPECIAL, INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR EXEMPLARY DAMAGES ARISING OUT OF THIS LICENSE OR THE USE OF THE WORK, EVEN IF LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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+7. Termination
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+    This License and the rights granted hereunder will terminate automatically upon any breach by You of the terms of this License. Individuals or entities who have received Adaptations or Collections from You under this License, however, will not have their licenses terminated provided such individuals or entities remain in full compliance with those licenses. Sections 1, 2, 5, 6, 7, and 8 will survive any termination of this License.
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+8. Miscellaneous
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+    Each time You Distribute or Publicly Perform the Work or a Collection, the Licensor offers to the recipient a license to the Work on the same terms and conditions as the license granted to You under this License.
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+    If any provision of this License is invalid or unenforceable under applicable law, it shall not affect the validity or enforceability of the remainder of the terms of this License, and without further action by the parties to this agreement, such provision shall be reformed to the minimum extent necessary to make such provision valid and enforceable.
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+    The rights granted under, and the subject matter referenced, in this License were drafted utilizing the terminology of the Berne Convention for the Protection of Literary and Artistic Works (as amended on September 28, 1979), the Rome Convention of 1961, the WIPO Copyright Treaty of 1996, the WIPO Performances and Phonograms Treaty of 1996 and the Universal Copyright Convention (as revised on July 24, 1971). These rights and subject matter take effect in the relevant jurisdiction in which the License terms are sought to be enforced according to the corresponding provisions of the implementation of those treaty provisions in the applicable national law. If the standard suite of rights granted under applicable copyright law includes additional rights not granted under this License, such additional rights are deemed to be included in the License; this License is not intended to restrict the license of any rights under applicable law.