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cryptpad/www/common/outer/calendar.js

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27 KiB
JavaScript

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define([
'/common/common-util.js',
'/common/common-hash.js',
'/common/common-constants.js',
'/common/common-realtime.js',
'/common/outer/cache-store.js',
'/customize/messages.js',
'/bower_components/nthen/index.js',
'/bower_components/chainpad-listmap/chainpad-listmap.js',
'/bower_components/chainpad-crypto/crypto.js',
'/bower_components/chainpad/chainpad.dist.js',
], function (Util, Hash, Constants, Realtime, Cache, Messages, nThen, Listmap, Crypto, ChainPad) {
var Calendar = {};
/* TODO
* Calendar
{
href,
roHref,
channel, (pinning)
title, (when created from the UI, own calendar has no title)
color
}
* Own drive
{
calendars: {
uid: calendar,
uid: calendar
}
}
* Team drive
{
calendars: {
uid: calendar,
uid: calendar
}
}
* Calendars are listmap
{
content: {},
metadata: {
title: "pewpewpew"
}
}
ctx.calendars[channel] = {
lm: lm,
proxy: lm.proxy?
stores: [teamId, teamId, 1]
}
* calendar app can subscribe to this module
* when a listmap changes, push an update for this calendar to subscribed tabs
* Ability to open a calendar not stored in the stores but from its URL directly
* No "userlist" visible in the UI
* No framework
*/
var getStore = function (ctx, id) {
if (!id || id === 1) {
return ctx.store;
}
var m = ctx.store.modules && ctx.store.modules.team;
if (!m) { return; }
return m.getTeam(id);
};
var makeCalendar = function () {
var hash = Hash.createRandomHash('calendar');
var secret = Hash.getSecrets('calendar', hash);
var roHash = Hash.getViewHashFromKeys(secret);
var href = Hash.hashToHref(hash, 'calendar');
var roHref = Hash.hashToHref(roHash, 'calendar');
return {
href: href,
roHref: roHref,
channel: secret.channel,
};
};
var initializeCalendars = function (ctx, cb) {
var proxy = ctx.store.proxy;
proxy.calendars = proxy.calendars || {};
setTimeout(cb);
};
var sendUpdate = function (ctx, c) {
ctx.emit('UPDATE', {
teams: c.stores,
roTeams: c.roStores,
id: c.channel,
loading: !c.ready && !c.cacheready,
readOnly: c.readOnly || (!c.ready && c.cacheready),
deleted: !c.stores.length,
restricted: c.restricted,
owned: ctx.Store.isOwned(c.owners),
content: Util.clone(c.proxy),
hashes: c.hashes
}, ctx.clients);
};
var closeCalendar = function (ctx, id) {
var ctxCal = ctx.calendars[id];
if (!ctxCal) { return; }
// If the calendar doesn't exist in any other team, stop it and delete it from ctx
if (!ctxCal.stores.length) {
ctxCal.lm.stop();
delete ctx.calendars[id];
}
};
var updateLocalCalendars = function (ctx, c, data) {
// Also update local data
c.stores.forEach(function (id) {
var s = getStore(ctx, id);
if (!s || !s.proxy) { return; }
if (!s.rpc) { return; } // team viewer
if (!s.proxy.calendars) { return; }
var cal = s.proxy.calendars[c.channel];
if (!cal) { return; }
if (cal.color !== data.color) { cal.color = data.color; }
if (cal.title !== data.title) { cal.title = data.title; }
});
};
var openChannel = function (ctx, cfg, _cb) {
var cb = Util.once(Util.mkAsync(_cb || function () {}));
var teamId = cfg.storeId;
var data = cfg.data;
var channel = data.channel;
console.error(cfg);
if (!channel) { return; }
var c = ctx.calendars[channel];
var update = function () {
sendUpdate(ctx, c);
};
if (c) {
if (c.readOnly && data.href) {
// Upgrade readOnly calendar to editable
var upgradeParsed = Hash.parsePadUrl(data.href);
var upgradeSecret = Hash.getSecrets('calendar', upgradeParsed.hash, data.password);
var upgradeCrypto = Crypto.createEncryptor(upgradeSecret.keys);
c.hashes.editHash = Hash.getEditHashFromKeys(upgradeSecret);
c.lm.setReadOnly(false, upgradeCrypto);
c.readOnly = false;
} else if (teamId === 0) {
// Existing calendars can't be "temp calendars" (unless they are an upgrade)
return void cb();
}
// Remove from roStores when upgrading this store
if (c.roStores.indexOf(teamId) !== -1 && data.href) {
c.roStores.splice(c.roStores.indexOf(teamId), 1);
// If we've upgraded a stored calendar, remove the temp calendar
if (c.stores.indexOf(0) !== -1) {
c.stores.splice(c.stores.indexOf(0), 1);
}
update();
}
// Don't store duplicates
if (c.stores && c.stores.indexOf(teamId) !== -1) { return void cb(); }
// If we store a temp calendar to our account or team, remove this "temp calendar"
if (c.stores.indexOf(0) !== -1) { c.stores.splice(c.stores.indexOf(0), 1); }
c.stores.push(teamId);
if (!data.href) {
c.roStores.push(teamId);
}
update();
return void cb();
}
// Multiple teams can have the same calendar. Make sure we remember the list of stores
// that know it so that we don't close the calendar when leaving/deleting a team.
c = ctx.calendars[channel] = {
ready: false,
channel: channel,
readOnly: !data.href,
stores: [teamId],
roStores: data.href ? [] : [teamId],
hashes: {}
};
var parsed = Hash.parsePadUrl(data.href || data.roHref);
var secret = Hash.getSecrets('calendar', parsed.hash, data.password);
var crypto = Crypto.createEncryptor(secret.keys);
c.hashes.viewHash = Hash.getViewHashFromKeys(secret);
if (data.href) {
c.hashes.editHash = Hash.getEditHashFromKeys(secret);
}
c.proxy = {
metadata: {
color: data.color,
title: data.title
}
};
update();
var onDeleted = function () {
// Remove this calendar from all our teams
// XXX Maybe not? don't remove automatically so that we can tell the user to do so.
c.stores.forEach(function (storeId) {
var store = getStore(ctx, storeId);
if (!store || !store.rpc || !store.proxy.calendars) { return; }
delete store.proxy.calendars[channel];
// And unpin
var unpin = store.unpin || ctx.unpinPads;
unpin([channel], function (res) {
if (res && res.error) { console.error(res.error); }
});
});
// Close listmap, update the UI and clear the memory
if (c.lm) { c.lm.stop(); }
c.stores = [];
sendUpdate(ctx, c);
delete ctx.calendars[channel];
};
nThen(function (waitFor) {
if (!ctx.store.network || cfg.isNew) { return; }
// This is supposed to be an existing channel. Make sure it exists on the server
// before trying to load it.
// NOTE: if we can't check (error), we can skip this step. On "ready", we have
// another check to make sure we won't make a new calendar
ctx.Store.isNewChannel(null, channel, waitFor(function (obj) {
if (obj && obj.error) {
// If we can't check, skip this part
return;
}
if (obj && typeof(obj.isNew) === "boolean") {
if (obj.isNew) {
onDeleted();
cb({error: 'EDELETED'});
waitFor.abort();
return;
}
}
}));
}).nThen(function () {
// Set the owners as the first store opening it. We don't know yet if it's a new or
// existing calendar. "owners' will be ignored if the calendar already exists.
var edPublic;
if (teamId === 1 || !teamId) {
edPublic = ctx.store.proxy.edPublic;
} else {
var teams = ctx.store.modules.team && ctx.store.modules.team.getTeamsData();
var team = teams && teams[teamId];
edPublic = team ? team.edPublic : undefined;
}
var config = {
data: {},
network: ctx.store.network || ctx.store.networkPromise,
channel: secret.channel,
crypto: crypto,
owners: [edPublic],
ChainPad: ChainPad,
validateKey: secret.keys.validateKey || undefined,
userName: 'calendar',
Cache: Cache,
classic: true,
onRejected: ctx.Store && ctx.Store.onRejected
};
var lm = Listmap.create(config);
c.lm = lm;
var proxy = c.proxy = lm.proxy;
lm.proxy.on('cacheready', function () {
if (!proxy.metadata) { return; }
c.cacheready = true;
setTimeout(update);
if (cb) { cb(null, lm.proxy); }
}).on('ready', function (info) {
var md = info.metadata;
c.owners = md.owners || [];
c.ready = true;
if (!proxy.metadata) {
if (!cfg.isNew) {
// no metadata on an existing calendar: deleted calendar
return void onDeleted();
}
proxy.metadata = {
color: data.color,
title: data.title
};
}
setTimeout(update);
if (cb) { cb(null, lm.proxy); }
}).on('change', [], function () {
if (!c.ready) { return; }
setTimeout(update);
}).on('change', ['metadata'], function () {
// if title or color have changed, update our local values
var md = proxy.metadata;
if (!md || !md.title || !md.color) { return; }
updateLocalCalendars(ctx, c, md);
}).on('error', function (info) {
if (!info || !info.error) { return; }
if (info.error === "EDELETED" ) {
return void onDeleted();
}
if (info.error === "ERESTRICTED" ) {
c.restricted = true;
}
cb(info);
});
});
};
var decryptTeamCalendarHref = function (store, calData) {
if (!calData.href) { return; }
// Already decrypted? nothing to do
if (calData.href.indexOf('#') !== -1) { return; }
// href exists and is encrypted: decrypt if we can or ignore the href
if (store.secondaryKey) {
try {
calData.href = store.userObject.cryptor.decrypt(calData.href);
} catch (e) {
console.error(e);
delete calData.href;
}
} else {
delete calData.href;
}
};
var initializeStore = function (ctx, store) {
var c = store.proxy.calendars;
var storeId = store.id || 1;
// Add listeners
store.proxy.on('change', ['calendars'], function (o, n, p) {
if (p.length < 2) { return; }
// Handle deletions
if (o && !n) {
(function () {
var id = p[1];
var ctxCal = ctx.calendars[id];
if (!ctxCal) { return; }
var idx = ctxCal.stores.indexOf(storeId);
// Check if the team has loaded this calendar in memory
if (idx === -1) { return; }
// Remove the team from memory
ctxCal.stores.splice(idx, 1);
var roIdx = ctxCal.roStores.indexOf(storeId);
if (roIdx !== -1) { ctxCal.roStores.splice(roIdx, 1); }
// Check if we need to close listmap and update the UI
closeCalendar(ctx, id);
sendUpdate(ctx, ctxCal);
})();
}
// Handle additions
// NOTE: this also upgrade from readOnly to edit (add an "href" to the calendar)
if (!o && n) {
(function () {
var id = p[1];
var _cal = store.proxy.calendars[id];
if (!_cal) { return; }
var cal = Util.clone(_cal);
decryptTeamCalendarHref(store, cal);
openChannel(ctx, {
storeId: storeId,
data: cal
});
})();
}
});
// If this store contains existing calendars, open them
Object.keys(c || {}).forEach(function (channel) {
var cal = Util.clone(c[channel]);
decryptTeamCalendarHref(store, cal);
openChannel(ctx, {
storeId: storeId,
data: cal
});
});
};
var openChannels = function (ctx) {
// Personal drive
initializeStore(ctx, ctx.store);
var teams = ctx.store.modules.team && ctx.store.modules.team.getTeamsData();
if (!teams) { return; }
Object.keys(teams).forEach(function (id) {
var store = getStore(ctx, id);
initializeStore(ctx, store);
});
};
var subscribe = function (ctx, data, cId, cb) {
// Subscribe to new notifications
var idx = ctx.clients.indexOf(cId);
if (idx === -1) {
ctx.clients.push(cId);
}
cb({
empty: !Object.keys(ctx.calendars).length
});
Object.keys(ctx.calendars).forEach(function (channel) {
var c = ctx.calendars[channel] || {};
sendUpdate(ctx, c);
});
};
var openCalendar = function (ctx, data, cId, cb) {
var secret = Hash.getSecrets('calendar', data.hash, data.password);
var hash = Hash.getEditHashFromKeys(secret);
var roHash = Hash.getViewHashFromKeys(secret);
var cal = {
href: hash && Hash.hashToHref(hash, 'calendar'),
roHref: roHash && Hash.hashToHref(roHash, 'calendar'),
channel: secret.channel,
color: Util.getRandomColor(),
title: '...'
};
openChannel(ctx, {
storeId: 0,
data: cal
}, cb);
};
var importCalendar = function (ctx, data, cId, cb) {
var id = data.id;
var c = ctx.calendars[id];
if (!c) { return void cb({error: "ENOENT"}); }
if (!Array.isArray(c.stores) || c.stores.indexOf(data.teamId) === -1) {
return void cb({error: 'EINVAL'});
}
// Add to my calendars
var store = ctx.store;
var calendars = store.proxy.calendars = store.proxy.calendars || {};
var hash = c.hashes.editHash;
var roHash = c.hashes.viewHash;
calendars[id] = {
href: hash && Hash.hashToHref(hash, 'calendar'),
roHref: roHash && Hash.hashToHref(roHash, 'calendar'),
channel: id,
color: Util.find(c,['proxy', 'metadata', 'color']) || Util.getRandomColor(),
title: Util.find(c,['proxy', 'metadata', 'title']) || '...'
};
ctx.Store.onSync(null, cb);
// Make the change in memory
openChannel(ctx, {
storeId: 1,
data: {
href: calendars[id].href,
toHref: calendars[id].roHref,
channel: id
}
});
};
var addCalendar = function (ctx, data, cId, cb) {
var store = getStore(ctx, data.teamId);
if (!store) { return void cb({error: "NO_STORE"}); }
// Check team edit rights: viewers in teams don't have rpc
if (!store.rpc) { return void cb({error: "EFORBIDDEN"}); }
var c = store.proxy.calendars = store.proxy.calendars || {};
var parsed = Hash.parsePadUrl(data.href);
var secret = Hash.getSecrets(parsed.type, parsed.hash, data.password);
if (secret.channel !== data.channel) { return void cb({error: 'EINVAL'}); }
var hash = Hash.getEditHashFromKeys(secret);
var roHash = Hash.getViewHashFromKeys(secret);
var href = hash && Hash.hashToHref(hash, 'calendar');
var cal = {
href: href,
roHref: roHash && Hash.hashToHref(roHash, 'calendar'),
color: data.color,
title: data.title,
channel: data.channel
};
// If it already existed and it's not an upgrade, nothing to do
if (c[data.channel] && (c[data.channel].href || !cal.href)) { return void cb(); }
cal.color = data.color;
cal.title = data.title;
openChannel(ctx, {
storeId: store.id || 1,
data: Util.clone(cal)
}, function (err) {
if (err) {
// Can't open this channel, don't store it
console.error(err);
return void cb({error: err.error});
}
if (href && store.id && store.secondaryKey) {
try {
cal.href = store.userObject.cryptor.encrypt(href);
} catch (e) {
console.error(e);
}
}
// Add the calendar and call back
// If it already existed it means this is an upgrade
c[cal.channel] = cal;
var pin = store.pin || ctx.pinPads;
pin([cal.channel], function (res) {
if (res && res.error) { console.error(res.error); }
});
ctx.Store.onSync(store.id, cb);
});
};
var createCalendar = function (ctx, data, cId, cb) {
var store = getStore(ctx, data.teamId);
if (!store) { return void cb({error: "NO_STORE"}); }
// Check team edit rights: viewers in teams don't have rpc
if (!store.rpc) { return void cb({error: "EFORBIDDEN"}); }
var c = store.proxy.calendars = store.proxy.calendars || {};
var cal = makeCalendar();
cal.color = data.color;
cal.title = data.title;
openChannel(ctx, {
storeId: store.id || 1,
data: cal,
isNew: true
}, function (err) {
if (err) {
// Can't open this channel, don't store it
console.error(err);
return void cb({error: err.error});
}
// Add the calendar and call back
c[cal.channel] = cal;
var pin = store.pin || ctx.pinPads;
pin([cal.channel], function (res) {
if (res && res.error) { console.error(res.error); }
});
ctx.Store.onSync(store.id, cb);
});
};
var updateCalendar = function (ctx, data, cId, cb) {
var id = data.id;
var c = ctx.calendars[id];
if (!c) { return void cb({error: "ENOENT"}); }
var md = Util.find(c, ['proxy', 'metadata']);
if (!md) { return void cb({error: 'EINVAL'}); }
md.title = data.title;
md.color = data.color;
Realtime.whenRealtimeSyncs(c.lm.realtime, cb);
sendUpdate(ctx, c);
updateLocalCalendars(ctx, c, data);
};
var deleteCalendar = function (ctx, data, cId, cb) {
var store = getStore(ctx, data.teamId);
if (!store) { return void cb({error: "NO_STORE"}); }
if (!store.rpc) { return void cb({error: "EFORBIDDEN"}); }
if (!store.proxy.calendars) { return; }
var id = data.id;
var cal = store.proxy.calendars[id];
if (!cal) { return void cb(); } // Already deleted
// Delete
delete store.proxy.calendars[id];
// Unpin
var unpin = store.unpin || ctx.unpinPads;
unpin([id], function (res) {
if (res && res.error) { console.error(res.error); }
});
// Clear/update ctx data
// Remove this store from the calendar's clients
var ctxCal = ctx.calendars[id];
var idx = ctxCal.stores.indexOf(store.id || 1);
ctxCal.stores.splice(idx, 1);
closeCalendar(ctx, id);
ctx.Store.onSync(store.id, function () {
sendUpdate(ctx, ctxCal);
cb();
});
};
var createEvent = function (ctx, data, cId, cb) {
var id = data.calendarId;
var c = ctx.calendars[id];
if (!c) { return void cb({error: "ENOENT"}); }
c.proxy.content = c.proxy.content || {};
c.proxy.content[data.id] = data;
Realtime.whenRealtimeSyncs(c.lm.realtime, function () {
sendUpdate(ctx, c);
cb();
});
};
var updateEvent = function (ctx, data, cId, cb) {
if (!data || !data.ev) { return void cb({error: 'EINVAL'}); }
var id = data.ev.calendarId;
var c = ctx.calendars[id];
if (!c || !c.proxy || !c.proxy.content) { return void cb({error: "ENOENT"}); }
// Find the event
var ev = c.proxy.content[data.ev.id];
if (!ev) { return void cb({error: "EINVAL"}); }
// update the event
var changes = data.changes || {};
var newC;
if (changes.calendarId) {
newC = ctx.calendars[changes.calendarId];
if (!newC || !newC.proxy || !newC.proxy.content) { return void cb({error: "ENOENT"}); }
}
Object.keys(changes).forEach(function (key) {
ev[key] = changes[key];
});
// Move to a different calendar?
if (changes.calendarId && newC) {
newC.proxy.content[data.ev.id] = Util.clone(ev);
delete c.proxy.content[data.ev.id];
}
nThen(function (waitFor) {
Realtime.whenRealtimeSyncs(c.lm.realtime, waitFor());
if (newC) { Realtime.whenRealtimeSyncs(newC.lm.realtime, waitFor()); }
}).nThen(cb);
};
var deleteEvent = function (ctx, data, cId, cb) {
var id = data.calendarId;
var c = ctx.calendars[id];
if (!c) { return void cb({error: "ENOENT"}); }
c.proxy.content = c.proxy.content || {};
delete c.proxy.content[data.id];
Realtime.whenRealtimeSyncs(c.lm.realtime, cb);
};
var removeClient = function (ctx, cId) {
var idx = ctx.clients.indexOf(cId);
ctx.clients.splice(idx, 1);
};
Calendar.init = function (cfg, waitFor, emit) {
var calendar = {};
var store = cfg.store;
if (!store.loggedIn || !store.proxy.edPublic) { return; } // XXX logged in only?
var ctx = {
store: store,
Store: cfg.Store,
pinPads: cfg.pinPads,
unpinPads: cfg.unpinPads,
updateMetadata: cfg.updateMetadata,
emit: emit,
onReady: Util.mkEvent(true),
calendars: {},
clients: [],
};
initializeCalendars(ctx, waitFor(function (err) {
if (err) { return; }
openChannels(ctx);
}));
calendar.closeTeam = function (teamId) {
Object.keys(ctx.calendars).forEach(function (id) {
var ctxCal = ctx.calendars[id];
var idx = ctxCal.stores.indexOf(teamId);
if (idx === -1) { return; }
ctxCal.stores.splice(idx, 1);
var roIdx = ctxCal.roStores.indexOf(teamId);
if (roIdx !== -1) { ctxCal.roStores.splice(roIdx, 1); }
closeCalendar(ctx, id);
sendUpdate(ctx, ctxCal);
});
};
calendar.openTeam = function (teamId) {
var store = getStore(ctx, teamId);
if (!store) { return; }
initializeStore(ctx, store);
};
calendar.upgradeTeam = function (teamId) {
if (!teamId) { return; }
var store = getStore(ctx, teamId);
if (!store) { return; }
Object.keys(ctx.calendars).forEach(function (id) {
var ctxCal = ctx.calendars[id];
var idx = ctxCal.stores.indexOf(teamId);
if (idx === -1) { return; }
var _cal = store.proxy.calendars[id];
var cal = Util.clone(_cal);
decryptTeamCalendarHref(store, cal);
openChannel(ctx, {
storeId: teamId,
data: cal
});
sendUpdate(ctx, ctxCal);
});
};
calendar.removeClient = function (clientId) {
removeClient(ctx, clientId);
};
calendar.execCommand = function (clientId, obj, cb) {
var cmd = obj.cmd;
var data = obj.data;
if (cmd === 'SUBSCRIBE') {
return void subscribe(ctx, data, clientId, cb);
}
if (cmd === 'OPEN') {
ctx.Store.onReadyEvt.reg(function () {
openCalendar(ctx, data, clientId, cb);
});
return;
}
if (cmd === 'IMPORT') {
if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
return void importCalendar(ctx, data, clientId, cb);
}
if (cmd === 'ADD') {
if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
return void addCalendar(ctx, data, clientId, cb);
}
if (cmd === 'CREATE') {
if (data.initialCalendar) {
return void ctx.Store.onReadyEvt.reg(function () {
createCalendar(ctx, data, clientId, cb);
});
}
if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
return void createCalendar(ctx, data, clientId, cb);
}
if (cmd === 'UPDATE') {
if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
return void updateCalendar(ctx, data, clientId, cb);
}
if (cmd === 'DELETE') {
if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
return void deleteCalendar(ctx, data, clientId, cb);
}
if (cmd === 'CREATE_EVENT') {
if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
return void createEvent(ctx, data, clientId, cb);
}
if (cmd === 'UPDATE_EVENT') {
if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
return void updateEvent(ctx, data, clientId, cb);
}
if (cmd === 'DELETE_EVENT') {
if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
return void deleteEvent(ctx, data, clientId, cb);
}
};
return calendar;
};
return Calendar;
});