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ZMS-93 #542

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merged 6 commits into from
Oct 24, 2023
Merged

ZMS-93 #542

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328c818
add max mailboxes to settings and consts
NickOvt Oct 19, 2023
fcdb4c1
rewrite mailbox handler create function, convert it to async as well …
NickOvt Oct 20, 2023
7f974e3
mailboxes.js add support for new createAsync function, refactor. tool…
NickOvt Oct 20, 2023
8d00e9e
make userDate check the first check
NickOvt Oct 23, 2023
61645e4
fix error message, make it clearer. Remove OVERQUOTA error code and r…
NickOvt Oct 23, 2023
c389ea6
fix createAsync wrapper, strict ordering. Settings handler remove unn…
NickOvt Oct 23, 2023
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10 changes: 1 addition & 9 deletions lib/api/mailboxes.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,15 +12,7 @@ module.exports = (db, server, mailboxHandler) => {
const getMailboxCounter = util.promisify(tools.getMailboxCounter);
const updateMailbox = util.promisify(mailboxHandler.update.bind(mailboxHandler));
const deleteMailbox = util.promisify(mailboxHandler.del.bind(mailboxHandler));
const createMailbox = util.promisify((...args) => {
let callback = args.pop();
mailboxHandler.create(...args, (err, status, id) => {
if (err) {
return callback(err);
}
return callback(null, { status, id });
});
});
const createMailbox = mailboxHandler.createAsync.bind(mailboxHandler);

server.get(
'/users/:user/mailboxes',
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5 changes: 4 additions & 1 deletion lib/consts.js
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Original file line number Diff line number Diff line change
Expand Up @@ -134,5 +134,8 @@ module.exports = {
MAX_IMAP_UPLOAD: 10 * 1024 * 1024 * 1024,

// maximum number of filters per account
MAX_FILTERS: 400
MAX_FILTERS: 400,

// maximum amount of mailboxes per user
MAX_MAILBOXES: 1500
};
156 changes: 75 additions & 81 deletions lib/mailbox-handler.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
const ObjectId = require('mongodb').ObjectId;
const ImapNotifier = require('./imap-notifier');
const { publish, MAILBOX_CREATED, MAILBOX_RENAMED, MAILBOX_DELETED } = require('./events');
const { SettingsHandler } = require('./settings-handler');

class MailboxHandler {
constructor(options) {
Expand All @@ -19,99 +20,92 @@ class MailboxHandler {
redis: this.redis,
pushOnly: true
});

this.settingsHandler = new SettingsHandler({ db: this.database });
}

create(user, path, opts, callback) {
this.database.collection('mailboxes').findOne(
{
user,
path
},
(err, mailboxData) => {
if (err) {
return callback(err);
}
if (mailboxData) {
const err = new Error('Mailbox creation failed with code MailboxAlreadyExists');
err.code = 'ALREADYEXISTS';
err.responseCode = 400;
return callback(err, 'ALREADYEXISTS');
}
this.createAsync(user, path, opts)
.then(mailboxData => callback(null, ...[mailboxData.status, mailboxData.id]))
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.catch(err => callback(err));
}

this.users.collection('users').findOne(
{
_id: user
},
{
projection: {
retention: true
}
},
(err, userData) => {
if (err) {
return callback(err);
}
async createAsync(user, path, opts) {
const userData = await this.database.collection('users').findOne({ _id: user }, { projection: { retention: true } });

if (!userData) {
const err = new Error('This user does not exist');
err.code = 'UserNotFound';
err.responseCode = 404;
return callback(err, 'UserNotFound');
}
if (!userData) {
const err = new Error('This user does not exist');
err.code = 'UserNotFound';
err.responseCode = 404;
throw err;
}

mailboxData = {
_id: new ObjectId(),
user,
path,
uidValidity: Math.floor(Date.now() / 1000),
uidNext: 1,
modifyIndex: 0,
subscribed: true,
flags: [],
retention: userData.retention
};
let mailboxData = await this.database.collection('mailboxes').findOne({ user, path });

Object.keys(opts || {}).forEach(key => {
if (!['_id', 'user', 'path'].includes(key)) {
mailboxData[key] = opts[key];
}
});
if (mailboxData) {
const err = new Error('Mailbox creation failed with code MailboxAlreadyExists');
err.code = 'ALREADYEXISTS';
err.responseCode = 400;
throw err;
}

this.database.collection('mailboxes').insertOne(mailboxData, { writeConcern: 'majority' }, (err, r) => {
if (err) {
if (err.code === 11000) {
const err = new Error('Mailbox creation failed with code MailboxAlreadyExists');
err.code = 'ALREADYEXISTS';
err.responseCode = 400;
return callback(err, 'ALREADYEXISTS');
}
return callback(err);
}
const mailboxCountForUser = await this.database.collection('mailboxes').countDocuments({ user });

publish(this.redis, {
ev: MAILBOX_CREATED,
user,
mailbox: r.insertedId,
path: mailboxData.path
}).catch(() => false);
if (mailboxCountForUser > (await this.settingsHandler.get('const:max:mailboxes'))) {
const err = new Error('Mailbox creation failed with code ReachedMailboxCountLimit. Max mailboxes count reached.');
err.code = 'CANNOT';
err.responseCode = 400;
throw err;
}

return this.notifier.addEntries(
mailboxData,
{
command: 'CREATE',
mailbox: r.insertedId,
path
},
() => {
this.notifier.fire(user);
return callback(null, true, mailboxData._id);
}
);
});
}
);
mailboxData = {
_id: new ObjectId(),
user,
path,
uidValidity: Math.floor(Date.now() / 1000),
uidNext: 1,
modifyIndex: 0,
subscribed: true,
flags: [],
retention: userData.retention
};

Object.keys(opts || {}).forEach(key => {
if (!['_id', 'user', 'path'].includes(key)) {
mailboxData[key] = opts[key];
}
});

const r = this.database.collection('mailboxes').insertOne(mailboxData, { writeConcern: 'majority' });

try {
await publish(this.redis, {
ev: MAILBOX_CREATED,
user,
mailbox: r.insertedId,
path: mailboxData.path
});
} catch {
// ignore
}

await this.notifier.addEntries(
mailboxData,
{
command: 'CREATE',
mailbox: r.insertedId,
path
},
() => {
this.notifier.fire(user);
return;
}
);

return {
status: true,
id: mailboxData._id
};
}

rename(user, mailbox, newname, opts, callback) {
Expand Down
9 changes: 9 additions & 0 deletions lib/settings-handler.js
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,15 @@ const SETTING_KEYS = [
schema: Joi.number()
},

{
key: 'const:max:mailboxes',
name: 'Max mailboxes',
description: 'Maximum amount of mailboxes for a user',
type: 'number',
constKey: 'MAX_MAILBOXES',
schema: Joi.number()
},

{
key: 'const:max:rcpt_to',
name: 'Max message recipients',
Expand Down