mirror of
https://github.com/matrix-construct/construct
synced 2024-11-17 23:40:57 +01:00
133 lines
3.5 KiB
JavaScript
133 lines
3.5 KiB
JavaScript
/*
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* IRCd Charybdis 5/Matrix
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*
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* Copyright (C) 2017 Charybdis Development Team
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* Copyright (C) 2017 Jason Volk (jason@zemos.net)
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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'use strict';
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/**************************************
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*
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* Local & Session storage
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*
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* Lifetimes in order from most persistent to most transient:
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*
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* + mc.account - synchronized with server account_data (requires auth)
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* + mc.local - synchronized with window localStorage
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* + mc.session - synchronized with window sessionStorage
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* + mc.instance - not synchronized; lifetime is the same as mc object.
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*
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* Note that the storage objects are serialized to JSON when actually being stored.
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* Anything placed inside a live storage object should have a JSON representation.
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*
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* Note that storage is partitioned based on the mc.opts.base_url. This ensures
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* if the target server changes for whatever reason the webstorage objects will be
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* different for different base URL's.
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*
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*/
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mc.storage = {};
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/* Reads from webstorage into the client's webstorage globals.
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*/
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mc.storage.init = function()
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{
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let prefix = mc.opts.base_url.hash();
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let update = (facility, target) =>
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{
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let item = facility.getItem(prefix);
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if(item == null)
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return;
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let data = JSON.parse(item);
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Object.update(target, data);
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};
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update(localStorage, mc.local);
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update(sessionStorage, mc.session);
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//console.log("read local storage objects");
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if(typeof(mc.session.model) != "object")
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mc.session.model = {};
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mc.model = mc.session.model;
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if(typeof(mc.model.show) != "object")
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mc.model.show = {};
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mc.show = mc.model.show;
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};
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/** Writes back the client's webstorage objects.
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*/
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mc.storage.sync = function()
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{
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let prefix = mc.opts.base_url.hash();
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let update = (facility, source) =>
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{
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let item = JSON.stringify(source);
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facility.setItem(prefix, item);
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};
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update(localStorage, mc.local);
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update(sessionStorage, mc.session);
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//console.log("wrote local storage objects");
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};
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/**
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* account_data based storage
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*/
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mc.storage.account = {};
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/** Update account-based storage object
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*/
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mc.storage.account.update = function(data)
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{
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Object.update(mc.account, data);
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};
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/** Write back account-based storage to server
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*/
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mc.storage.account.sync = function()
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{
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if(!mc.instance.authentic)
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return false;
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return mc.storage.account.sync.data();
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};
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mc.storage.account.sync.data = async function()
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{
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let data = mc.account;
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let user_id = mc.my.mxid;
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let type = mc.opts.account_data.key;
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if(empty(data))
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return;
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let request = mc.m.user.account_data.put(user_id, type, data); try
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{
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let response = await request.response;
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}
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catch(error)
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{
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console.error("Error synchronizing account_data: " + error);
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}
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};
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