248 lines
8.9 KiB
JavaScript
248 lines
8.9 KiB
JavaScript
define([
|
||
'/common/common-messaging.js',
|
||
'/common/common-hash.js',
|
||
], function (Messaging, Hash) {
|
||
|
||
var getRandomTimeout = function (ctx) {
|
||
var lag = ctx.store.realtime.getLag().lag || 0;
|
||
return (Math.max(0, lag) + 300) * 20 * (0.5 + Math.random());
|
||
};
|
||
|
||
var handlers = {};
|
||
var removeHandlers = {};
|
||
|
||
// Store the friend request displayed to avoid duplicates
|
||
var friendRequest = {};
|
||
handlers['FRIEND_REQUEST'] = function (ctx, box, data, cb) {
|
||
|
||
// Check if the request is valid (send by the correct user)
|
||
if (data.msg.author !== data.msg.content.curvePublic) {
|
||
return void cb(true);
|
||
}
|
||
|
||
// Don't show duplicate friend request: if we already have a friend request
|
||
// in memory from the same user, dismiss the new one
|
||
if (friendRequest[data.msg.author]) { return void cb(true); }
|
||
|
||
friendRequest[data.msg.author] = true;
|
||
|
||
// If the user is already in our friend list, automatically accept the request
|
||
if (Messaging.getFriend(ctx.store.proxy, data.msg.author) ||
|
||
ctx.store.proxy.friends_pending[data.msg.author]) {
|
||
Messaging.acceptFriendRequest(ctx.store, data.msg.content, function (obj) {
|
||
if (obj && obj.error) {
|
||
return void cb();
|
||
}
|
||
cb(true);
|
||
});
|
||
return;
|
||
}
|
||
|
||
cb();
|
||
};
|
||
removeHandlers['FRIEND_REQUEST'] = function (ctx, box, data) {
|
||
if (friendRequest[data.content.curvePublic]) {
|
||
delete friendRequest[data.content.curvePublic];
|
||
}
|
||
};
|
||
|
||
var friendRequestDeclined = {};
|
||
handlers['DECLINE_FRIEND_REQUEST'] = function (ctx, box, data, cb) {
|
||
setTimeout(function () {
|
||
// Our friend request was declined.
|
||
if (!ctx.store.proxy.friends_pending[data.msg.author]) { return; }
|
||
|
||
// Remove the pending message and display the "declined" state in the UI
|
||
delete ctx.store.proxy.friends_pending[data.msg.author];
|
||
ctx.updateMetadata();
|
||
if (friendRequestDeclined[data.msg.author]) { return; }
|
||
box.sendMessage({
|
||
type: 'FRIEND_REQUEST_DECLINED',
|
||
content: {
|
||
user: data.msg.author,
|
||
name: data.msg.content.displayName
|
||
}
|
||
}, function () {
|
||
if (friendRequestDeclined[data.msg.author]) {
|
||
// TODO remove our message because another one was sent first?
|
||
}
|
||
friendRequestDeclined[data.msg.author] = true;
|
||
});
|
||
}, getRandomTimeout(ctx));
|
||
cb(true);
|
||
};
|
||
handlers['FRIEND_REQUEST_DECLINED'] = function (ctx, box, data, cb) {
|
||
ctx.updateMetadata();
|
||
if (friendRequestDeclined[data.msg.content.user]) { return void cb(true); }
|
||
friendRequestDeclined[data.msg.content.user] = true;
|
||
cb();
|
||
};
|
||
removeHandlers['FRIEND_REQUEST_DECLINED'] = function (ctx, box, data) {
|
||
if (friendRequestDeclined[data.content.user]) {
|
||
delete friendRequestDeclined[data.content.user];
|
||
}
|
||
};
|
||
|
||
var friendRequestAccepted = {};
|
||
handlers['ACCEPT_FRIEND_REQUEST'] = function (ctx, box, data, cb) {
|
||
// Our friend request was accepted.
|
||
setTimeout(function () {
|
||
// Make sure we really sent it
|
||
if (!ctx.store.proxy.friends_pending[data.msg.author]) { return; }
|
||
// And add the friend
|
||
Messaging.addToFriendList({
|
||
proxy: ctx.store.proxy,
|
||
realtime: ctx.store.realtime,
|
||
pinPads: ctx.pinPads
|
||
}, data.msg.content, function (err) {
|
||
if (err) { console.error(err); }
|
||
delete ctx.store.proxy.friends_pending[data.msg.author];
|
||
if (ctx.store.messenger) {
|
||
ctx.store.messenger.onFriendAdded(data.msg.content);
|
||
}
|
||
ctx.updateMetadata();
|
||
// If you have a profile page open, update it
|
||
if (ctx.store.modules['profile']) { ctx.store.modules['profile'].update(); }
|
||
if (friendRequestAccepted[data.msg.author]) { return; }
|
||
// Display the "accepted" state in the UI
|
||
box.sendMessage({
|
||
type: 'FRIEND_REQUEST_ACCEPTED',
|
||
content: {
|
||
user: data.msg.author,
|
||
name: data.msg.content.displayName
|
||
}
|
||
}, function () {
|
||
if (friendRequestAccepted[data.msg.author]) {
|
||
// TODO remove our message because another one was sent first?
|
||
}
|
||
friendRequestAccepted[data.msg.author] = true;
|
||
});
|
||
});
|
||
}, getRandomTimeout(ctx));
|
||
cb(true);
|
||
};
|
||
handlers['FRIEND_REQUEST_ACCEPTED'] = function (ctx, box, data, cb) {
|
||
ctx.updateMetadata();
|
||
if (friendRequestAccepted[data.msg.content.user]) { return void cb(true); }
|
||
friendRequestAccepted[data.msg.content.user] = true;
|
||
cb();
|
||
};
|
||
removeHandlers['FRIEND_REQUEST_ACCEPTED'] = function (ctx, box, data) {
|
||
if (friendRequestAccepted[data.content.user]) {
|
||
delete friendRequestAccepted[data.content.user];
|
||
}
|
||
};
|
||
|
||
handlers['UNFRIEND'] = function (ctx, box, data, cb) {
|
||
var curve = data.msg.content.curvePublic;
|
||
var friend = Messaging.getFriend(ctx.store.proxy, curve);
|
||
if (!friend) { return void cb(true); }
|
||
delete ctx.store.proxy.friends[curve];
|
||
if (ctx.store.messenger) {
|
||
ctx.store.messenger.onFriendRemoved(curve, friend.channel);
|
||
}
|
||
ctx.updateMetadata();
|
||
cb(true);
|
||
};
|
||
|
||
handlers['UPDATE_DATA'] = function (ctx, box, data, cb) {
|
||
var msg = data.msg;
|
||
var curve = msg.author;
|
||
var friend = ctx.store.proxy.friends && ctx.store.proxy.friends[curve];
|
||
if (!friend || typeof msg.content !== "object") { return void cb(true); }
|
||
Object.keys(msg.content).forEach(function (key) {
|
||
friend[key] = msg.content[key];
|
||
});
|
||
ctx.updateMetadata();
|
||
cb(true);
|
||
};
|
||
|
||
// Hide duplicates when receiving a SHARE_PAD notification:
|
||
// Keep only one notification per channel: the stronger and more recent one
|
||
var channels = {};
|
||
handlers['SHARE_PAD'] = function (ctx, box, data, cb) {
|
||
var msg = data.msg;
|
||
var hash = data.hash;
|
||
var content = msg.content;
|
||
// content.name, content.title, content.href, content.password
|
||
|
||
var channel = Hash.hrefToHexChannelId(content.href, content.password);
|
||
var parsed = Hash.parsePadUrl(content.href);
|
||
var mode = parsed.hashData && parsed.hashData.mode || 'n/a';
|
||
|
||
var old = channels[channel];
|
||
var toRemove;
|
||
if (old) {
|
||
// New hash is weaker, ignore
|
||
if (old.mode === 'edit' && mode === 'view') {
|
||
return void cb(true);
|
||
}
|
||
// New hash is not weaker, clear the old one
|
||
toRemove = old.data;
|
||
}
|
||
|
||
// Update the data
|
||
channels[channel] = {
|
||
mode: mode,
|
||
data: {
|
||
type: box.type,
|
||
hash: hash
|
||
}
|
||
};
|
||
|
||
cb(false, toRemove);
|
||
};
|
||
removeHandlers['SHARE_PAD'] = function (ctx, box, data, hash) {
|
||
var content = data.content;
|
||
var channel = Hash.hrefToHexChannelId(content.href, content.password);
|
||
var old = channels[channel];
|
||
if (old && old.data && old.data.hash === hash) {
|
||
delete channels[channel];
|
||
}
|
||
};
|
||
|
||
return {
|
||
add: function (ctx, box, data, cb) {
|
||
/**
|
||
* data = {
|
||
msg: {
|
||
type: 'STRING',
|
||
author: 'curvePublicString',
|
||
content: {} (depend on the "type")
|
||
},
|
||
hash: 'string'
|
||
}
|
||
*/
|
||
if (!data.msg) { return void cb(true); }
|
||
var type = data.msg.type;
|
||
|
||
if (handlers[type]) {
|
||
try {
|
||
handlers[type](ctx, box, data, cb);
|
||
} catch (e) {
|
||
console.error(e);
|
||
cb();
|
||
}
|
||
} else {
|
||
cb();
|
||
}
|
||
},
|
||
remove: function (ctx, box, data, h) {
|
||
// We sometimes try to delete non-existant data (with "delete box.content[h]")
|
||
// In this case, we don't have the data in memory so we don't need to call
|
||
// any "remove" handler
|
||
if (!data) { return; }
|
||
var type = data.type;
|
||
|
||
if (removeHandlers[type]) {
|
||
try {
|
||
removeHandlers[type](ctx, box, data, h);
|
||
} catch (e) {
|
||
console.error(e);
|
||
}
|
||
}
|
||
}
|
||
};
|
||
});
|
||
|