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// Sandstorm context is detected using the METEOR_SETTINGS environment variable
// in the package definition.
const isSandstorm = Meteor.settings && Meteor.settings.public &&
Meteor.settings.public.sandstorm;
// In sandstorm we only have one board per sandstorm instance. Since we want to
// keep most of our code unchanged, we simply hard-code a board `_id` and
// redirect the user to this particular board.
const sandstormBoard = {
_id: 'sandstorm',
// XXX Should be shared with the grain instance name.
title: 'Wekan',
slug: 'libreboard',
members: [],
// Board access security is handled by sandstorm, so in our point of view we
// can alway assume that the board is public (unauthorized users won't be able
// to access it anyway).
permission: 'public',
};
if (isSandstorm && Meteor.isServer) {
function updateUserPermissions(userId, permissions) {
const isActive = permissions.indexOf('participate') > -1;
const isAdmin = permissions.indexOf('configure') > -1;
const permissionDoc = { userId, isActive, isAdmin };
const boardMembers = Boards.findOne(sandstormBoard._id).members;
const memberIndex = _.pluck(boardMembers, 'userId').indexOf(userId);
let modifier;
if (memberIndex > -1)
modifier = { $set: { [`members.${memberIndex}`]: permissionDoc }};
else if (!isActive)
modifier = {};
else
modifier = { $push: { members: permissionDoc }};
Boards.update(sandstormBoard._id, modifier);
}
Picker.route('/', (params, req, res) => {
// Redirect the user to the hard-coded board. On the first launch the user
// will be redirected to the board before its creation. But that's not a
// problem thanks to the reactive board publication. We used to do this
// redirection on the client side but that was sometimes visible on loading,
// and the home page was accessible by pressing the back button of the
// browser, a server-side redirection solves both of these issues.
//
// XXX Maybe the sandstorm http-bridge could provide some kind of "home URL"
// in the manifest?
const base = req.headers['x-sandstorm-base-path'];
// XXX If this routing scheme changes, this will break. We should generate
// the location URL using the router, but at the time of writing, the
// it is only accessible on the client.
const boardPath = `/b/${sandstormBoard._id}/${sandstormBoard.slug}`;
res.writeHead(301, {
Location: base + boardPath,
});
res.end();
// `accounts-sandstorm` populate the Users collection when new users
// accesses the document, but in case a already known user comes back, we
// need to update his associated document to match the request HTTP headers
// informations.
const user = Users.findOne({
'services.sandstorm.id': req.headers['x-sandstorm-user-id'],
});
if (user) {
updateUserPermissions(user._id, user.permissions);
}
});
// On the first launch of the instance a user is automatically created thanks
// to the `accounts-sandstorm` package. After its creation we insert the
// unique board document. Note that when the `Users.after.insert` hook is
// called, the user is inserted into the database but not connected. So
// despite the appearances `userId` is null in this block.
Users.after.insert((userId, doc) => {
if (!Boards.findOne(sandstormBoard._id)) {
Boards.insert(sandstormBoard, { validate: false });
Activities.update(
{ activityTypeId: sandstormBoard._id },
{ $set: { userId: doc._id }}
);
}
// We rely on username uniqueness for the user mention feature, but
// Sandstorm doesn't enforce this property -- see #352. Our strategy to
// generate unique usernames from the Sandstorm `preferredHandle` is to
// append a number that we increment until we generate a username that no
// one already uses (eg, 'max', 'max1', 'max2').
function generateUniqueUsername(username, appendNumber) {
return username + String(appendNumber === 0 ? '' : appendNumber);
}
const username = doc.services.sandstorm.preferredHandle;
let appendNumber = 0;
while (Users.findOne({
_id: { $ne: doc._id },
username: generateUniqueUsername(username, appendNumber),
})) {
appendNumber += 1;
}
Users.update(doc._id, {
$set: {
username: generateUniqueUsername(username, appendNumber),
'profile.fullname': doc.services.sandstorm.name,
},
});
updateUserPermissions(doc._id, doc.services.sandstorm.permissions);
});
// LibreBoard v0.8 didn’t implement the Sandstorm sharing model and instead
// kept the visibility setting (“public” or “private”) in the UI as does the
// main Meteor application. We need to enforce “public” visibility as the
// sharing is now handled by Sandstorm.
// See https://github.com/wekan/wekan/issues/346
Migrations.add('enforce-public-visibility-for-sandstorm', () => {
Boards.update('sandstorm', { $set: { permission: 'public' }});
});
}
if (isSandstorm && Meteor.isClient) {
// Since the Sandstorm grain is displayed in an iframe of the Sandstorm shell,
// we need to explicitly expose meta data like the page title or the URL path
// so that they could appear in the browser window.
// See https://docs.sandstorm.io/en/latest/developing/path/
function updateSandstormMetaData(msg) {
return window.parent.postMessage(msg, '*');
}
FlowRouter.triggers.enter([({ path }) => {
updateSandstormMetaData({ setPath: path });
}]);
Tracker.autorun(() => {
updateSandstormMetaData({ setTitle: DocHead.getTitle() });
});
// Runtime redirection from the home page to the unique board -- since the
// home page contains a list of a single board it's not worth to display.
//
// XXX Hack. The home route is already defined at this point so we need to
// add the redirection trigger to the internal route object.
FlowRouter._routesMap.home._triggersEnter.push((context, redirect) => {
redirect(FlowRouter.path('board', {
id: sandstormBoard._id,
slug: sandstormBoard.slug,
}));
});
// XXX Hack. `Meteor.absoluteUrl` doesn't work in Sandstorm, since every
// session has a different URL whereas Meteor computes absoluteUrl based on
// the ROOT_URL environment variable. So we overwrite this function on a
// sandstorm client to return relative paths instead of absolutes.
const _absoluteUrl = Meteor.absoluteUrl;
const _defaultOptions = Meteor.absoluteUrl.defaultOptions;
Meteor.absoluteUrl = (path, options) => {
const url = _absoluteUrl(path, options);
return url.replace(/^https?:\/\/127\.0\.0\.1:[0-9]{2,5}/, '');
};
Meteor.absoluteUrl.defaultOptions = _defaultOptions;
}
// We use this blaze helper in the UI to hide some templates that does not make
// sense in the context of sandstorm, like board staring, board archiving, user
// name edition, etc.
Blaze.registerHelper('isSandstorm', isSandstorm);
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