--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_privacy/mod_privacy.lua Fri Sep 25 16:56:50 2009 +0200
@@ -0,0 +1,214 @@
+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+-- Copyright (C) 2009 Thilo Cestonaro
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+
+local prosody = prosody;
+local helpers = require "util/helpers";
+local st = require "util.stanza";
+local datamanager = require "util.datamanager";
+local privacy_lists = nil
+local bare_sessions = bare_sessions;
+
+
+function findNamedList (name)
+ local ret = nil
+ if privacy_lists.lists == nil then return nil; end
+
+ for i=1, #privacy_lists.lists do
+ if privacy_lists.lists[i].name == name then
+ ret = i;
+ break;
+ end
+ end
+ return ret;
+end
+
+function declineList (origin, stanza, which)
+ module:log("info", "User requests to decline the use of privacy list: %s", which);
+ privacy_lists[which] = nil;
+ origin.send(st.reply(stanza));
+ return true;
+end
+
+function activateList (origin, stanza, which, name)
+ module:log("info", "User requests to change the privacy list: %s, to be list named %s", which, name);
+ local ret = false;
+ local idx = findNamedList(name);
+
+ if privacy_lists[which] == nil then
+ privacy_lists[which] = "";
+ end
+
+ if privacy_lists[which] ~= name and idx ~= nil then
+ privacy_lists[which] = name;
+ origin.send(st.reply(stanza));
+ ret = true;
+ end
+ return ret;
+end
+
+function deleteList (origin, stanza, name)
+ module:log("info", "User requests to delete privacy list: %s", name);
+ local ret = false;
+ local idx = findNamedList(name);
+
+ if idx ~= nil then
+ table.remove(privacy_lists.lists, idx);
+ origin.send(st.reply(stanza));
+ ret = true;
+ end
+ return ret;
+end
+
+function createOrReplaceList (origin, stanza, name, entries)
+ module:log("info", "User requests to create / replace list named %s, item count: %d", name, #entries);
+ local ret = true;
+ local idx = findNamedList(name);
+ local bare_jid = origin.username.."@"..origin.host;
+
+ if privacy_lists.lists == nil then
+ privacy_lists.lists = {};
+ end
+
+ if idx == nil then
+ idx = #privacy_lists.lists + 1;
+ end
+
+ local list = {};
+ list.name = name;
+ list.items = {};
+
+ for _,item in ipairs(entries) do
+ tmp = {};
+ tmp["type"] = item.attr.type;
+ tmp["value"] = item.attr.value;
+ tmp["action"] = item.attr.action;
+ tmp["order"] = item.attr.order;
+ tmp["presence-in"] = false;
+ tmp["presence-out"] = false;
+ tmp["message"] = false;
+ tmp["iq"] = false;
+
+ if #item.tags > 0 then
+ for _,tag in ipairs(item.tags) do
+ tmp[tag.name] = true;
+ end
+ end
+ list.items[#list.items + 1] = tmp;
+ end
+
+ privacy_lists.lists[idx] = list;
+ origin.send(st.reply(stanza));
+ if bare_sessions[bare_jid] ~= nil then
+ iq = st.iq ( { type = "set", id="push1" } );
+ iq:tag ("query", { xmlns = "jabber:iq:privacy" } );
+ iq:tag ("list", { name = list.name } ):up();
+ iq:up();
+ for resource, session in pairs(bare_sessions[bare_jid].sessions) do
+ iq.attr.to = bare_jid.."/"..resource
+ session.send(iq);
+ end
+ end
+ return true;
+end
+
+function getList(origin, stanza, name)
+ module:log("info", "User requests list named: %s", name or "nil");
+ local ret = true;
+ local idx = findNamedList(name);
+ local reply = st.reply(stanza);
+ reply = reply:tag("query", {xmlns="jabber:iq:privacy"});
+
+ if idx == nil then
+ reply:tag("active", {name=privacy_lists.active or ""}):up();
+ reply:tag("default", {name=privacy_lists.default or ""}):up();
+ if privacy_lists.lists then
+ for _,list in ipairs(privacy_lists.lists) do
+ reply:tag("list", {name=list.name}):up();
+ end
+ end
+ else
+ list = privacy_lists.lists[idx];
+ reply = reply:tag("list", {name=list.name});
+ for _,item in ipairs(list.items) do
+ reply:tag("item", {type=item.type, value=item.value, action=item.action, order=item.order});
+ if item["message"] then reply:tag("message"):up(); end
+ if item["iq"] then reply:tag("iq"):up(); end
+ if item["presence-in"] then reply:tag("presence-in"):up(); end
+ if item["presence-out"] then reply:tag("presence-out"):up(); end
+ reply:up();
+ end
+ end
+
+ origin.send(reply);
+ return ret;
+end
+
+-- "[tagname]/[target-type]/[payload-namespace]:[payload-tagname]"
+module:hook("iq/bare/jabber:iq:privacy:query", function(data)
+ local origin, stanza = data.origin, data.stanza;
+
+ if stanza.attr.to == nil then -- only service requests to own bare JID
+ local query = stanza.tags[1]; -- the query element
+ local valid = false;
+ privacy_lists = datamanager.load(origin.username, origin.host, "privacy") or {};
+
+ if stanza.attr.type == "set" then
+ if #query.tags >= 1 then
+ for _,tag in ipairs(query.tags) do
+ if tag.name == "active" or tag.name == "default" then
+ if tag.attr.name == nil then -- Client declines the use of active / default list
+ valid = declineList(origin, stanza, tag.name);
+ else -- Client requests change of active / default list
+ valid = activateList(origin, stanza, tag.name, tag.attr.name);
+ end
+ elseif tag.name == "list" and tag.attr.name then -- Client adds / edits a privacy list
+ if #tag.tags == 0 then -- Client removes a privacy list
+ valid = deleteList(origin, stanza, tag.attr.name);
+ else -- Client edits a privacy list
+ valid = createOrReplaceList(origin, stanza, tag.attr.name, tag.tags)
+ end
+ end
+ end
+ end
+ elseif stanza.attr.type == "get" then
+ local name = nil;
+ if #query.tags >= 1 then
+ for _,tag in ipairs(query.tags) do
+ if tag.name == "list" then -- Client requests a privacy list from server
+ name = tag.attr.name;
+ break;
+ end
+ end
+ end
+ valid = getList(origin, stanza, name);
+ end
+
+ if valid == false then
+ origin.send(st.error_reply(stanza, "modify", "bad-request"));
+ else
+ datamanager.store(origin.username, origin.host, "privacy", privacy_lists);
+ end
+ return true;
+ end
+ return false;
+end, 500);
+
+function checkIfNeedToBeBlocked(e)
+ return false;
+end
+
+module:hook("pre-message/full", checkIfNeedToBeBlocked, 500);
+module:hook("pre-iq/bare", checkIfNeedToBeBlocked, 500);
+module:hook("pre-presence/bare", checkIfNeedToBeBlocked, 500);
+
+-- helpers.log_events(hosts["albastru.de"].events, "albastru.de");
+-- helpers.log_events(prosody.events, "*");
+
+module:log("info", "mod_privacy loaded ...");