85 lines
2.5 KiB
Lua
85 lines
2.5 KiB
Lua
-- Token authentication
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-- Copyright (C) 2015 Atlassian
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local log = module._log;
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local host = module.host;
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local st = require "util.stanza";
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local is_admin = require "core.usermanager".is_admin;
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local parentHostName = string.gmatch(tostring(host), "%w+.(%w.+)")();
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if parentHostName == nil then
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log("error", "Failed to start - unable to get parent hostname");
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return;
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end
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local parentCtx = module:context(parentHostName);
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if parentCtx == nil then
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log("error",
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"Failed to start - unable to get parent context for host: %s",
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tostring(parentHostName));
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return;
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end
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local appId = parentCtx:get_option_string("app_id");
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local appSecret = parentCtx:get_option_string("app_secret");
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local allowEmptyToken = parentCtx:get_option_boolean("allow_empty_token");
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log("debug",
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"%s - starting MUC token verifier app_id: %s app_secret: %s allow empty: %s",
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tostring(host), tostring(appId), tostring(appSecret),
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tostring(allowEmptyToken));
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local function verify_user(session, stanza)
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log("debug", "Session token: %s, session room: %s",
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tostring(session.auth_token),
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tostring(session.jitsi_meet_room));
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if allowEmptyToken and session.auth_token == nil then
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module:log(
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"debug",
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"Skipped room token verification - empty tokens are allowed");
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return nil;
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end
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-- token not required for admin users
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local user_jid = stanza.attr.from;
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if is_admin(user_jid) then
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log("debug", "Token not required from admin user: %s", user_jid);
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return nil;
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end
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local room = string.match(stanza.attr.to, "^(%w+)@");
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log("debug", "Will verify token for user: %s, room: %s ", user_jid, room);
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if room == nil then
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log("error",
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"Unable to get name of the MUC room ? to: %s", stanza.attr.to);
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return nil;
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end
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local token = session.auth_token;
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local auth_room = session.jitsi_meet_room;
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if room ~= auth_room then
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log("error", "Token %s not allowed to join: %s",
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tostring(token), tostring(auth_room));
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session.send(
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st.error_reply(
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stanza, "cancel", "not-allowed", "Room and token mismatched"));
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return true;
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end
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log("debug", "allowed: %s to enter/create room: %s", user_jid, room);
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end
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module:hook("muc-room-pre-create", function(event)
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local origin, stanza = event.origin, event.stanza;
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log("debug", "pre create: %s %s", tostring(origin), tostring(stanza));
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return verify_user(origin, stanza);
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end);
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module:hook("muc-occupant-pre-join", function(event)
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local origin, room, stanza = event.origin, event.room, event.stanza;
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log("debug", "pre join: %s %s", tostring(room), tostring(stanza));
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return verify_user(origin, stanza);
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end);
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