Mercurial > prosody-modules
changeset 771:889e7a60a2e7
mod_privacy: Remove, obsolete (bundled with Prosody). Don't come back!
author | Matthew Wild <mwild1@gmail.com> |
---|---|
date | Sat, 04 Aug 2012 20:40:10 +0100 |
parents | a85d86a7f24e |
children | 954532e273be |
files | mod_privacy/mod_privacy.lua |
diffstat | 1 files changed, 0 insertions(+), 558 deletions(-) [+] |
line wrap: on
line diff
--- a/mod_privacy/mod_privacy.lua Fri Aug 03 15:12:41 2012 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,558 +0,0 @@ --- 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 st = require "util.stanza"; -local datamanager = require "util.datamanager"; -local bare_sessions = bare_sessions; -local util_Jid = require "util.jid"; -local jid_bare = util_Jid.bare; -local jid_split = util_Jid.split; -local load_roster = require "core.rostermanager".load_roster; -local to_number = _G.tonumber; - -function findNamedList (privacy_lists, 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 isListUsed(origin, name, privacy_lists) - if bare_sessions[origin.username.."@"..origin.host].sessions ~= nil then - for resource, session in pairs(bare_sessions[origin.username.."@"..origin.host].sessions) do - if resource ~= origin.resource then - if session.activePrivacyList == name then - return true; - elseif session.activePrivacyList == nil and privacy_lists.default == name then - return true; - end - end - end - end - return false; -end - -function isAnotherSessionUsingDefaultList(origin) - local ret = false - if bare_sessions[origin.username.."@"..origin.host].sessions ~= nil then - for resource, session in pairs(bare_sessions[origin.username.."@"..origin.host].sessions) do - if resource ~= origin.resource and session.activePrivacyList == nil then - ret = true; - break; - end - end - end - return ret; -end - -function sendUnavailable(to, from) ---[[ example unavailable presence stanza -<presence from="node@host/resource" type="unavailable" to="node@host" > - <status>Logged out</status> -</presence> -]]-- - local presence = st.presence({from=from, type="unavailable"}) - presence:tag("status"):text("Logged out"); - - local node, host = jid_bare(to); - local bare = node .. "@" .. host; - - if bare_sessions[bare].sessions ~= nil then - for resource, session in pairs(bare_sessions[bare].sessions) do - presence.attr.to = session.full_jid; - module:log("debug", "send unavailable to: %s; from: %s", tostring(presence.attr.to), tostring(presence.attr.from)); - origin.send(presence); - end - end -end - -function sendNeededUnavailablePersences(origin, listnameOrItem) -- TODO implement it correctly! - if type(listnameOrItem) == "string" then - local listname = listnameOrItem; - for _,list in ipairs(privacy_lists.lists) do - if list.name == listname then - for _,item in ipairs(list.items) do - sendNeededUnavailablePersences(origin, item); - end - end - end - elseif type(listnameOrItem) == "table" then - module:log("debug", "got an item, check wether to send unavailable presence stanza or not"); - local item = listnameOrItem; - local serialize = require "util.serialization".serialize; - - - if item["presence-out"] == true then - if item.type == "jid" then - sendUnavailable(item.value, origin.full_jid); - elseif item.type == "group" then - elseif item.type == "subscription" then - elseif item.type == nil then - end - elseif item["presence-in"] == true then - if item.type == "jid" then - sendUnavailable(origin.full_jid, item.value); - elseif item.type == "group" then - elseif item.type == "subscription" then - elseif item.type == nil then - end - end - else - module:log("debug", "got unknown type: %s", type(listnameOrItem)); - end -end - -function declineList (privacy_lists, origin, stanza, which) - if which == "default" then - if isAnotherSessionUsingDefaultList(origin) then - return { "cancel", "conflict", "Another session is online and using the default list."}; - end - privacy_lists.default = nil; - origin.send(st.reply(stanza)); - elseif which == "active" then - origin.activePrivacyList = nil; - origin.send(st.reply(stanza)); - else - return {"modify", "bad-request", "Neither default nor active list specifed to decline."}; - end - return true; -end - -function activateList (privacy_lists, origin, stanza, which, name) - local idx = findNamedList(privacy_lists, name); - - if privacy_lists.default == nil then - privacy_lists.default = ""; - end - if origin.activePrivacyList == nil then - origin.activePrivacyList = ""; - end - - if which == "default" and idx ~= nil then - if isAnotherSessionUsingDefaultList(origin) then - return {"cancel", "conflict", "Another session is online and using the default list."}; - end - privacy_lists.default = name; - origin.send(st.reply(stanza)); ---[[ - if origin.activePrivacyList == nil then - sendNeededUnavailablePersences(origin, name); - end -]]-- - elseif which == "active" and idx ~= nil then - origin.activePrivacyList = name; - origin.send(st.reply(stanza)); - -- sendNeededUnavailablePersences(origin, name); - else - return {"modify", "bad-request", "Either not active or default given or unknown list name specified."}; - end - return true; -end - -function deleteList (privacy_lists, origin, stanza, name) - local idx = findNamedList(privacy_lists, name); - - if idx ~= nil then - if isListUsed(origin, name, privacy_lists) then - return {"cancel", "conflict", "Another session is online and using the list which should be deleted."}; - end - if privacy_lists.default == name then - privacy_lists.default = ""; - end - if origin.activePrivacyList == name then - origin.activePrivacyList = ""; - end - table.remove(privacy_lists.lists, idx); - origin.send(st.reply(stanza)); - return true; - end - return {"modify", "bad-request", "Not existing list specifed to be deleted."}; -end - -local function sortByOrder(a, b) - if a.order < b.order then - return true; - end - return false; -end - -function createOrReplaceList (privacy_lists, origin, stanza, name, entries, roster) - local idx = findNamedList(privacy_lists, 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 orderCheck = {}; - local list = {}; - list.name = name; - list.items = {}; - - for _,item in ipairs(entries) do - if to_number(item.attr.order) == nil or to_number(item.attr.order) < 0 or orderCheck[item.attr.order] ~= nil then - return {"modify", "bad-request", "Order attribute not valid."}; - end - - if item.attr.type ~= nil and item.attr.type ~= "jid" and item.attr.type ~= "subscription" and item.attr.type ~= "group" then - return {"modify", "bad-request", "Type attribute not valid."}; - end - - local tmp = {}; - orderCheck[item.attr.order] = true; - - tmp["type"] = item.attr.type; - tmp["value"] = item.attr.value; - tmp["action"] = item.attr.action; - tmp["order"] = to_number(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 - - if tmp.type == "group" then - local found = false; - local roster = load_roster(origin.username, origin.host); - for jid,item in pairs(roster) do - if item.groups ~= nil then - for group in pairs(item.groups) do - if group == tmp.value then - found = true; - break; - end - end - if found == true then - break; - end - end - end - if found == false then - return {"cancel", "item-not-found", "Specifed roster group not existing."}; - end - elseif tmp.type == "subscription" then - if tmp.value ~= "both" and - tmp.value ~= "to" and - tmp.value ~= "from" and - tmp.value ~= "none" then - return {"cancel", "bad-request", "Subscription value must be both, to, from or none."}; - end - end - - if tmp.action ~= "deny" and tmp.action ~= "allow" then - return {"cancel", "bad-request", "Action must be either deny or allow."}; - end - ---[[ - if (privacy_lists.default == name and origin.activePrivacyList == nil) or origin.activePrivacyList == name then - module:log("debug", "calling sendNeededUnavailablePresences!"); - -- item is valid and list is active, so send needed unavailable stanzas - sendNeededUnavailablePersences(origin, tmp); - end -]]-- - list.items[#list.items + 1] = tmp; - end - - table.sort(list, sortByOrder); - - 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 - else - return {"cancel", "bad-request", "internal error."}; - end - return true; -end - -function getList(privacy_lists, origin, stanza, name) - local reply = st.reply(stanza); - reply:tag("query", {xmlns="jabber:iq:privacy"}); - - if name == nil then - reply:tag("active", {name=origin.activePrivacyList 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 - local idx = findNamedList(privacy_lists, name); - if idx ~= nil then - 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 - else - return {"cancel", "item-not-found", "Unknown list specified."}; - end - end - - origin.send(reply); - return true; -end - -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; - local privacy_lists = datamanager.load(origin.username, origin.host, "privacy") or {}; - - if stanza.attr.type == "set" then - if #query.tags == 1 then -- the <query/> element MUST NOT include more than one child element - 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(privacy_lists, origin, stanza, tag.name); - else -- Client requests change of active / default list - valid = activateList(privacy_lists, 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(privacy_lists, origin, stanza, tag.attr.name); - else -- Client edits a privacy list - valid = createOrReplaceList(privacy_lists, origin, stanza, tag.attr.name, tag.tags); - end - end - end - end - elseif stanza.attr.type == "get" then - local name = nil; - local listsToRetrieve = 0; - 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; - listsToRetrieve = listsToRetrieve + 1; - end - end - end - if listsToRetrieve == 0 or listsToRetrieve == 1 then - valid = getList(privacy_lists, origin, stanza, name); - end - end - - if valid ~= true then - if valid[0] == nil then - valid[0] = "cancel"; - end - if valid[1] == nil then - valid[1] = "bad-request"; - end - origin.send(st.error_reply(stanza, valid[0], valid[1], valid[2])); - else - datamanager.store(origin.username, origin.host, "privacy", privacy_lists); - end - return true; - end - return false; -end, 500); - -function checkIfNeedToBeBlocked(e, session) - local origin, stanza = e.origin, e.stanza; - local privacy_lists = datamanager.load(session.username, session.host, "privacy") or {}; - local bare_jid = session.username.."@"..session.host; - - module:log("debug", "stanza: %s, to: %s, from: %s", tostring(stanza.name), tostring(stanza.attr.to), tostring(stanza.attr.from)); - - if stanza.attr.to ~= nil and stanza.attr.from ~= nil then - if privacy_lists.lists == nil or - (session.activePrivacyList == nil or session.activePrivacyList == "") and - (privacy_lists.default == nil or privacy_lists.default == "") - then - return; -- Nothing to block, default is Allow all - end - if jid_bare(stanza.attr.from) == bare_jid and jid_bare(stanza.attr.to) == bare_jid then - module:log("debug", "Never block communications from one of a user's resources to another."); - return; -- from one of a user's resource to another => HANDS OFF! - end - - local idx; - local list; - local item; - local listname = session.activePrivacyList; - if listname == nil or listname == "" then - listname = privacy_lists.default; -- no active list selected, use default list - end - idx = findNamedList(privacy_lists, listname); - if idx == nil then - module:log("error", "given privacy listname not found. name: %s", listname); - return; - end - list = privacy_lists.lists[idx]; - if list == nil then - module:log("info", "privacy list index wrong. index: %d", idx); - return; - end - for _,item in ipairs(list.items) do - local apply = false; - local block = false; - if ( - (stanza.name == "message" and item.message) or - (stanza.name == "iq" and item.iq) or - (stanza.name == "presence" and jid_bare(stanza.attr.to) == bare_jid and item["presence-in"]) or - (stanza.name == "presence" and jid_bare(stanza.attr.from) == bare_jid and item["presence-out"]) or - (item.message == false and item.iq == false and item["presence-in"] == false and item["presence-in"] == false) - ) then - apply = true; - end - if apply then - local evilJid = {}; - apply = false; - if jid_bare(stanza.attr.to) == bare_jid then - module:log("debug", "evil jid is (from): %s", stanza.attr.from); - evilJid.node, evilJid.host, evilJid.resource = jid_split(stanza.attr.from); - else - module:log("debug", "evil jid is (to): %s", stanza.attr.to); - evilJid.node, evilJid.host, evilJid.resource = jid_split(stanza.attr.to); - end - if item.type == "jid" and - (evilJid.node and evilJid.host and evilJid.resource and item.value == evilJid.node.."@"..evilJid.host.."/"..evilJid.resource) or - (evilJid.node and evilJid.host and item.value == evilJid.node.."@"..evilJid.host) or - (evilJid.host and evilJid.resource and item.value == evilJid.host.."/"..evilJid.resource) or - (evilJid.host and item.value == evilJid.host) then - apply = true; - block = (item.action == "deny"); - elseif item.type == "group" then - local roster = load_roster(session.username, session.host); - local groups = roster[evilJid.node .. "@" .. evilJid.host].groups; - for group in pairs(groups) do - if group == item.value then - apply = true; - block = (item.action == "deny"); - break; - end - end - elseif item.type == "subscription" and evilJid.node ~= nil and evilJid.host ~= nil then -- we need a valid bare evil jid - local roster = load_roster(session.username, session.host); - if roster[evilJid.node .. "@" .. evilJid.host].subscription == item.value then - apply = true; - block = (item.action == "deny"); - end - elseif item.type == nil then - apply = true; - block = (item.action == "deny"); - end - end - if apply then - if block then - module:log("info", "stanza blocked: %s, to: %s, from: %s", tostring(stanza.name), tostring(stanza.attr.to), tostring(stanza.attr.from)); - if stanza.name == "message" then - origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); - elseif stanza.name == "iq" and (stanza.attr.type == "get" or stanza.attr.type == "set") then - origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); - end - return true; -- stanza blocked ! - else - module:log("info", "stanza explicit allowed!") - return; - end - end - end - end - return; -end - -function preCheckIncoming(e) - local session; - if e.stanza.attr.to ~= nil then - local node, host, resource = jid_split(e.stanza.attr.to); - if node == nil or host == nil then - return; - end - if resource == nil then - local prio = 0; - local session_; - if bare_sessions[node.."@"..host] ~= nil then - for resource, session_ in pairs(bare_sessions[node.."@"..host].sessions) do - if session_.priority ~= nil and session_.priority > prio then - session = session_; - prio = session_.priority; - end - end - end - else - session = full_sessions[node.."@"..host.."/"..resource]; - end - if session ~= nil then - return checkIfNeedToBeBlocked(e, session); - else - module:log("debug", "preCheckIncoming: Couldn't get session for jid: %s@%s/%s", tostring(node), tostring(host), tostring(resource)) - end - end - return; -end - -function preCheckOutgoing(e) - local session = e.origin; - if e.stanza.attr.from == nil then - e.stanza.attr.from = session.username .. "@" .. session.host; - if session.resource ~= nil then - e.stanza.attr.from = e.stanza.attr.from .. "/" .. session.resource; - end - end - return checkIfNeedToBeBlocked(e, session); -end - - -module:hook("pre-message/full", preCheckOutgoing, 500); -module:hook("pre-message/bare", preCheckOutgoing, 500); -module:hook("pre-message/host", preCheckOutgoing, 500); -module:hook("pre-iq/full", preCheckOutgoing, 500); -module:hook("pre-iq/bare", preCheckOutgoing, 500); -module:hook("pre-iq/host", preCheckOutgoing, 500); -module:hook("pre-presence/full", preCheckOutgoing, 500); -module:hook("pre-presence/bare", preCheckOutgoing, 500); -module:hook("pre-presence/host", preCheckOutgoing, 500); - -module:hook("message/full", preCheckIncoming, 500); -module:hook("message/bare", preCheckIncoming, 500); -module:hook("message/host", preCheckIncoming, 500); -module:hook("iq/full", preCheckIncoming, 500); -module:hook("iq/bare", preCheckIncoming, 500); -module:hook("iq/host", preCheckIncoming, 500); -module:hook("presence/full", preCheckIncoming, 500); -module:hook("presence/bare", preCheckIncoming, 500); -module:hook("presence/host", preCheckIncoming, 500); - -module:log("info", "mod_privacy loaded ...");