Open Source Community Manager
Komunumo is an esperanto noun with a meaning of community.
The server of Komunumo is written using the Java programming language. The main framework is Spring. For the user interface, we use Vaadin Flow. To access the database, we rely on jOOQ.
The file application.properties contains only some default values. To override the default values and to specify other configuration options, just set them as environment variables. The following sections describe all available configuration options. You only need to specify these options if your configuration settings differ from the defaults.
The server runs on port 8080 by default. If you don't like it, change it:
PORT=8080
To be able to send mails, you need to specify an SMTP server (defaults are localhost and port25):
MAIL_HOST=localhost
MAIL_PORT=25
Komunumo needs a database to store the business data. By default, Komunumo comes with MariaDB drivers by default, which is recommended because we are using it during development and it is highly tested with Komunumo. All JDBC compatible databases are supported, but you need to configure the JDBC driver dependencies accordingly. Please make sure that your database is using a unicode character set to avoid problems storing data containing unicode characters.
The DB_USER is used to access the Komunumo database including automatic schema migrations and needs ALL PRIVILEGES.
DB_URL=jdbc:mariadb://localhost:3306/komunumo?serverTimezone\=Europe/Zurich&allowMultiQueries=true
DB_USER=johndoe
DB_PASS=verysecret
The database schema will be migrated automatically by Komunumo.
MySQL and MariaDB have a possible silent truncation problem with the GROUP_CONCAT command. To avoid this it is necessary, to configure these two databases to allow multi queries. Just add allowMultiQueries=true to the JDBC database URL like in this example (you may need to scroll the example code to the right):
DB_URL=jdbc:mariadb://localhost:3306/komunumo?serverTimezone\=Europe/Zurich&allowMultiQueries=true
Only members with administrative privileges are allowed to login to the backend. You should add yourself as admin to the database, after you have started Komunumo (because the database tables will be created at the first start):
insert into member (id, first_name, last_name, email, registration_date, membership_begin, admin, account_active)
values (1, 'First name', 'Last name', '[email protected]', now(), null, true, true);Then, open http://localhost:8080/admin, enter your email address, and click on "I forgot my password" to start the password reset process (you will receive a one time password via email), and set your own admin password.
To run from the command line, use mvn and open http://localhost:8080 in your browser.
- Locate the
Application.javaclass in the Project view. It is in thesrcfolder, under the main package's root. - Right-click on the Application class
- Select "Debug 'Application.main()'" from the list
After the server has started, you can view it at http://localhost:8080/ in your browser. You can now also attach breakpoints in code for debugging purposes, by clicking next to a line number in any source file.
- Locate the
Application.javaclass in the Package Explorer. It is insrc/main/java, under the main package. - Right-click on the file and select
Debug As-->Java Application.
Do not worry if the debugger breaks at a SilentExitException. This is a Spring Boot feature and happens on every startup.
After the server has started, you can view it at http://localhost:8080/ in your browser. You can now also attach breakpoints in code for debugging purposes, by clicking next to a line number in any source file.
To build the Dockerized version of the project, run
docker build . -t komunumo:latest
Once the Docker image is correctly built, you can test it locally using
docker run -p 8080:8080 komunumo:latest
We are using Maven to build the Komunumo project. You do not need to have Maven installed! Komunumo makes use of the Maven Wrapper. In the root folder of this project, instead of using the mvn command directly just call the wrapper script ./mvnw (or .\mvnw on Windows).
The integration tests need a database. To provide a temporary MariaDB database, the Testcontainers framework is used. This framework needs a working Docker environment.
While developing, I highly recommend not to use your real mail server. Instead, I suggest using FakeSMTP. It runs locally on your machine and does not deliver any mail to a real mail account. Instead, all mails are kept locally inside the FakeSMTP client. You can be sure not to accidentally send mails.
While developing, sometimes it is very useful to reset the database manually. You can do this very easily using Maven and Flyway:
mvn flyway:clean \
-D'flyway.user'='johndoe' \
-D'flyway.password'='verysecret' \
-D'flyway.url'='jdbc:mariadb://localhost:3306/komunumo?serverTimezone\=Europe/Zurich'
This command will clean your database (erase everything). You need to specify the credentials for a database user with administrative privileges to the database and the database URL.
Komunumo will automatically migrate the database schema on the next start.
When you modify the database schema during development, Flyway will detect the change and complain. If you update the Flyway SQL scripts and don't want to clean your database, you can manually update the schema in your database, too. Then start a repair using Maven and Flyway:
mvn flyway:repair \
-D'flyway.user'='johndoe' \
-D'flyway.password'='verysecret' \
-D'flyway.url'='jdbc:mariadb://localhost:3306/komunumo?serverTimezone\=Europe/Zurich'
This command will update the flyway database history table, so Komunumo will start again without complaining about the database schema. The database schema itself will not be modified. You need to specify the credentials for a database user with administrative privileges to the database and the database URL.
Komunumo will not migrate the database schema on the next start.
There are three levels of security for three areas of the website:
Most pages are public. There is no authentication or authorization needed to access public pages. These contain public informations only.
Members can enter a self-service area to change their email address, postal address, newsletter subscription, etc. The member must be authenticated to access this area. The authentication process is very easy: Komunumo will send an email to the member with a random code valid for five minutes. Within these five minutes the member must enter this code on the website to get access to the self-service area. In the self-service area the member has access to his own information only and the access is limited to the self-service area itself plus the public pages.
The admin area is protected by a traditional login with username and password. Once authenticated, the user has access to all administrative informations and can execute standard CRUD operations (create, read, update, delete).
Copyright (C) Marcus Fihlon and the individual contributors to Komunumo.
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with this program. If not, see http://www.gnu.org/licenses/.
Komunumo is led by Marcus Fihlon and has received contributions from many individuals in Komunumo’s awesome community. The project was initiated in 2017 by Marcus Fihlon.
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