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wopits - A world of post-its

Project homepage | wopits homepage

A app for managing projects online using sticky notes to share and collaborate.

You can edit several walls of notes at the same time, add attachments, insert images, create relationships etc. Groups management makes it possible to finely control the sharing of data, and a chat is available for each wall.

If you don't want to bother installing wopits yourself, just create an account on the official wopits website!

wopits is Node.js & React.js free and uses Swoole as a WebSocket & Task server.

DOCKER

Go to the docker/ directory, customize the .env file, take a look at docker-compose.yml and run docker-compose build & docker-compose up. Images are not on Docker Hub. The build of the 2 images wopits_db (MariaDB database) and wopits_app (Apache & Swoole services) can take a while... be patient :-) The application needs to run on HTTPS. We use a self-signed certificate. Just ignore the browser warning.

Emails will not be sent, and this docker is not intended for production use!

INSTALLATION

You will need PHP, Apache, MariaDB or PostgreSQL, and Swoole to make it work.

On the source host

Just clone the Git:

  • git clone git@github.com:esaracco/wopits.git.

On the target host

The following actions have to be done on the machine that will host the wopits website. Which is not necessarily the source machine where you installed the Git repository.

  • Install Swoole from the latest 4.8.x tag and activate it for both CLI and Apache. Then tweak enable_preemptive_scheduler:
swoole.enable_preemptive_scheduler=On
  • Install Apache >= 2.4, MariaDB >= 10.3 or PostgreSQL >= 11.7 and PHP >= 7.3 (with php-gettext, php-mysql, php-pgsql, php-imagick, php-zip and optionally php-ldap). php-ldap will be required only if you intend to use LDAP authentication. Similarly, install php-mysql or php-pgsql depending on the SGBD you want to use.

  • Configure system locales by adding or uncommenting en_US.UTF-8 UTF-8 and fr_FR.UTF-8 UTF-8 to /etc/locale.gen and running locale-gen.

  • Configure Apache by customizing /app/doc/apache/wopits.domain.com.conf. Enable mod_ssl, mod_rewrite, mod_headers, mod_proxy and mod_proxy_wstunnel Apache modules.

  • Configure SSL using Let's Encrypt or whatever Certificate Authority.

  • Create a user and a database (using the app/db/mysql/wopits-create_db.example.sql (MariaDB) or app/db/postgresql/wopits-create_db.example.sh (PostgreSQL) file after having customize it according to your needs). Then create tables using app/db/*/wopits-create_tables.sql:

  • With MariaDB:

$ sudo -uroot mysql < app/db/mysql/wopits-create_db.example.sql
$ mysql wopits -uwopits -p < app/db/mysql/wopits-create_tables.sql
  • With PostgreSQL:

Edit the pg_hba.conf like this:

  1. According to your need, update:
# "local" is for Unix domain socket connections only
local   all             all                                     peer
  1. to:
# "local" is for Unix domain socket connections only
local   all             all                                     md5
  1. then:
$ sudo -upostgres app/db/postgresql/wopits-create_db.example.sh
$ psql wopits -Uwopits -W < app/db/postgresql/wopits-create_tables.sql
  • If you intend to use wopits Git repository "as is" as your Apache DocumentRoot, duplicate site-config.template.php in site-config.php and customize it.

Server optimization

First of all, install wopits on a decently sized server with at least 16GB of RAM, good bandwidth and high-performance I/O disks.

MariaDB / PostgreSQL

It is important to optimize the SGBD configuration as much as possible. Default settings will give poor results.

PHP

Edit PHP configuration file for apache and tweak the post_max_size:

post_max_size = 20M

Edit PHP configuration file for both apache and CLI and remove the memory limit allowed for scripts:

memory_limit = -1

or increase it significantly depending on available RAM.

Enable and customize PHP OPcache module for both apache and CLI (very important). Here is a common customization:

opcache.enable=1
opcache.enable_cli=1
opcache.validate_timestamps=0
opcache.revalidate_freq=60
opcache.save_comments=0
opcache.enable_file_override=1

To allow PHP to use more than 1024 file descriptors and to be more performant at network level, do the following:

  1. Install the ev and event modules using pecl. You will need libevent-dev, php-dev and php-pear in order to install and compile those modules.
  2. Add to /etc/security/limits.d/local.conf:
*               soft    nofile          1000000
*               hard    nofile          1000000
  1. Add to /etc/sysctl.d/local.conf:
fs.file-max=1000000

BUILD & DEPLOYMENT

wopits can be used "as is" from the Git repository, without any deployment. However, we highly recommend to do this only if you want to contribute! For production use it is better to deploy it (local or remote, whatever).

WebSocket server

In order to run the WebSocket server as a daemon you must add it to the startup scripts. Depending on your system, the procedure may vary. We will describe here the basics for systemd:

  1. Create a /var/log/wopits/ directory and give the wopits user full rights on it.
  2. Create /etc/systemd/system/wopits-ws.service (using the app/doc/systemd/wopits-ws.service template file).
  3. Execute systemctl start wopits-ws and systemctl enable wopits-ws.
  4. To see the daemon logs, use journalctl -fu wopits-ws. To see the WebSocket server logs, open /var/log/wopits/server-ws.log.

Make sure that the WebSocket server daemon's group can write to the data/ directory of the wopits DocumentRoot. It must be the same as the wopits data/ directory group (which has been chmoded with 2770).

Task server

In order to run the task server as a daemon you must add it to the startup scripts. Depending on your system, the procedure may vary. We will describe here the basics for systemd:

  1. Create a /var/log/wopits/ directory and give the wopits user full rights on it.
  2. Create /etc/systemd/system/wopits-task.service (using the app/doc/systemd/wopits-task.service template file).
  3. Execute systemctl start wopits-task and systemctl enable wopits-task.
  4. To see the daemon logs, use journalctl -fu wopits-task. To see the Task server logs, open /var/log/wopits/server-task.log.

Make sure that the task server daemon's group can write to the data/ directory of the wopits DocumentRoot. It must be the same as the wopits data/ directory group (which has been chmoded with 2770).

From the Git repository

If you are using the Git repository as your Apache DocumentRoot without deployment:

  • create a data/ directory and give the Apache user all rights on it:
# mkdir -p data/{walls,users}
# chown -R [wopitsUser]:[ApacheUserGroup] data
# chmod 2770 data

Deployment

  • Move to app/deploy/.
  • Create a new file config.php in this directory by duplicating config.example.php, and customize it.
  • In order to minify JS, CSS or HTML, you will need to customize the minifiers section. Read config.example.php for more information.
  • Deploy the application by executing ./deploy -e[yourenv]. yourenv should have been defined in the new config.php you just created previously. If the target is located on remote, the SSH user must have full rights on the remote DocumentRoot.
  • The very first time the deployment script has been executed, you will have to log as root and execute the following commands before creating a service for the wopits WebSocket daemon:
# chown -R [wopitsUser]:[wopitsUserGroup] /var/www/wopits.domain.com/
# cd /var/www/wopits.domain.com/
# mkdir -p data/{walls,users}
# chown -R [ApacheUser]:[wopitsUserGroup] data
# chmod 2770 data

Right after each deployment you must execute as soon as possible the following post-deployment script as root:

# /var/www/wopits.domain.com/app/deploy/bin/post-deploy.php

DKIM

The use of DKIM for sending emails is not mandatory, but highly recommended if your SMTP server does not already manage it.

The wopits DKIM private key must be placed in app/dkim/dkim.private. You can generate a pair of keys using:

$ openssl genrsa -out dkim.private 1024
$ openssl rsa -in dkim.private -out dkim.public -pubout -outform PEM

If you are using wopits as is, without depoyment, you must edit site-config.php:

define ('WPT_USE_DKIM', true);
define ('WPT_DKIM_DOMAIN', 'domain.com');
define ('WPT_DKIM_SELECTOR', 'mail');

If you plan to deploy wopits, edit app/deploy/config.php and customize the following lines before adding them into your deployment environment settings:

'dkim' => [
  'domain' => 'domain.com',
  'selector' => 'mail'
]

The following is needed only after the very first deployment, or later if you update your key: Copy your private key in app/dkim/dkim.private on the target. Then:

# cd /var/www/wopits.domain.com/
# chown [ApacheUser]:[wopitsUserGroup] app/dkim/dkim.private
# chmod 440 app/dkim/dkim.private

LDAP

Do not forget to install the PHP module php-ldap!

You can tell wopits to use a LDAP directory for users authentication. In this case, users who are not in your directory will not be able to create a account on your wopits instance.

Edit app/deploy/config.php and customize the following lines before adding them into your deployment environment settings:

'ldap' => [
  'host' => 'ldaps://ldap.domain.com:636',
  'binddn' => 'uid=wopits,ou=sysaccounts,o=domain.com',
  'bindpw' => 'ChangeMe',
  'objectclass' => 'people',
  'basedn' => 'o=domain.com'
]

Synchronize your LDAP users

Synchronization is not required in order to run wopits with LDAP, however it is recommended that you synchronized regularly all your LDAP users. Doing so, they will always be available in full for wall sharing.

After deploying wopits, run the script app/ldap/synchro.php in order to synchronize LDAP users into the wopits database. The best way to keep your wopits database up to date is to cron this script.

Only run the synchronization script after configuring and deploying wopits!

Crons

Do not forget to add wopits crons to crontab!

Create a /var/log/wopits/ directory and customize the following lines before adding them into the wopits user crontab:

1 0 * * * /var/www/wopits.domain.com/app/crons/cleanup.php >> /var/log/wopits/cleanup.log 2>&1
1 0 * * * /var/www/wopits.domain.com/app/crons/check-deadline.php >> /var/log/wopits/check-deadline.log 2>&1
*/15 * * * * /var/www/wopits.domain.com/app/crons/ping.php >> /var/log/wopits/ping.log 2>&1