176 lines
9.5 KiB
Markdown
176 lines
9.5 KiB
Markdown
# CAcert board voting service
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This project contains the source code for the CAcert board voting software.
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## Ideas
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The board voting system is meant to be used by the elected committee members of CAcert Inc. to allow them to do votes on
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decisions in a distributed way. The system keeps track of the individual decisions and votes. It takes care of
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authenticating board members using client certificates and performs timekeeping for decisions. The system sends voting
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requests to all board members and takes care of sending reminders as well es decision results.
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There is a concept of proxy votes that mean that one member of the board is allowed to vote in representation of another
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member of a board.
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## License
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The CAcert board voting software is licensed under the terms of the Apache License, Version 2.0.
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Copyright 2017-2022 Jan Dittberner
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this program except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "
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AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
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language governing permissions and limitations under the License.
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## History
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The CAcert board voting software is a [Go] reimplementation of the ancient PHP implementation that had been serving the
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CAcert board. The Subversion repository at https://svn.cacert.cl/Software does not exist anymore, so the last available
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version from http://community.cacert.org/board/ has been taken from the system. The latest file changed was `proxy.php`
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with a change date of 2011-05-15 23:13 UTC. The latest svn revision was:
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```text
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Path: .
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URL: https://svn.cacert.cl/Software/Voting/vote
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Repository Root: https://svn.cacert.cl/Software
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Repository UUID: d4452222-2f33-11de-9270-010000000000
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Revision: 66
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Node Kind: directory
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Schedule: normal
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Last Changed Author: community.cacert.org
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Last Changed Rev: 66
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Last Changed Date: 2009-07-12 04:02:38 +0000 (Sun, 12 Jul 2009)
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```
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---
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## Development requirements
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Local development requires
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* golang >= 1.18
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* sqlite3 and development headers
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* GNU make
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* nodejs, npm and gulp (only needed if you intend to update the [jQuery] or [Semantic UI] CSS and JavaScript)
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On a Debian 12 (Bookworm) system you can run the following command to get all required dependencies:
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```bash
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sudo apt install libsqlite3-dev golang-go make gulp
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```
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## Getting started
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Clone the code via git:
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```shell script
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git clone ssh://git.cacert.org/var/cache/git/cacert-boardvoting.git
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```
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To get started copy `config.yaml.example` to `config.yaml` and customize the parameters. You will also need a set of
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X.509 certificates and a private key because the application performs TLS Client certificate authentication. You might
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use `openssl` to create a self signed server certificate and retrieve the CAcert class 3 root from the CAcert website:
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```shell script
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openssl req -new -newkey rsa:2048 -keyout server.key -x509 -out server.crt -subj '/CN=localhost'
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curl -o cacert_class3.pem http://www.cacert.org/certs/class3_X0E.crt
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```
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It is advisable to have a local mail setup that intercepts outgoing email or to use email addresses that you control.
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You can use the following table to find useful values for the parameters in `config.yaml`.
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| Parameter | Description | How to get a valid value |
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|-------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------|
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| `notice_mail_address` | email address where notifications about votes are sent (production value is cacert-board@lists.cacert.org) | be creative but do not spam others (i.e. use user+board@your-domain.org) |
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| `vote_notice_mail_address` | email address where notifications about individual votes are sent (production value is cacert-board-votes@lists.cacert.org) | be creative but do not spam others (i.e. use user+votes@your-domain.org) |
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| `notification_sender_address` | sender address for all mails sent by the system (production value is returns@cacert.org) | be creative but do not spam others (i.e. use user+returns@your-domain.org) |
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| `database_file` | a SQLite database file (production value is `database.sqlite`) | keep the default or use something like `local.sqlite` |
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| `client_ca_certificates` | File containing allowed client certificate CA certificates (production value is `cacert_class3.pem`) | use the shell code above |
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| `server_certificate` | X.509 certificate that is used to identify your server (i.e. `server.crt`) | use the filename used as `-out` parameter in the `openssl` invocation above |
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| `server_key` | PEM encoded private key file (i.e. `server.key`) | use the filename used as `-keyout` parameter in the `openssl` invocation above |
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| `cookie_secret` | A base64 encoded random byte value of at least 32 bytes used to encrypt cookies | see [Generating random byte values](#generating-random-byte-values) below |
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| `csrf_key` | A base64 encoded random byte value of at least 32 bytes used to encrypt [CSRF](https://en.wikipedia.org/wiki/Cross-site_request_forgery#Prevention) tokens | see [Generating random byte values](#generating-random-byte-values) below |
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| `base_url` | The base URL of your application instance (production value is https://motions.cacert.org) | use https://localhost:8443 |
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| `mail_server.host` | Mail server host (production value is `localhost`) | `localhost` |
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| `mail_server.port` | Mail server TCP port (production value is `25` | see [how to setup a debugging SMTP server](#debugging-smtp-server) below and choose the port of that (default `8025`) |
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### Generating random byte values
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```shell script
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dd if=/dev/urandom bs=32 count=1 2>/dev/null | base64
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```
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### Debugging SMTP server
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You can use [aiosmtpd](https://aiosmtpd.readthedocs.io/en/latest/cli.html) to setup a small testing SMTP
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server that logs to stdout:
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```shell script
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sudo apt install python3-aiosmtpd
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python3 -m aiosmtpd -n
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```
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### Build and run
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```shell script
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make
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./cacert-boardvoting
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```
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### Build UI resources
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[Fomantic-UI](https://fomantic-ui.com/) is used as a CSS framework. Configuration is stored in `semantic.json` in the
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project root directory.
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Building the UI resource requires
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* NodeJS >= v8
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* NPM >= v5
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To install fomantic-ui and build the UI resources do:
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```
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npm install
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cd node_modules/fomantic-ui
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npx gulp build
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```
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## Code structure
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```
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.
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├── boardvoting
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│ ├── migrations
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│ ├── static
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│ └── templates
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├── db
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└── semantic
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```
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The `boardvoting` directory contains the application code, database migrations, static assets and [Go templates] for
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HTML pages and mail content.
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The `db` directory contains the initializer for database migrations.
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The `semantic` directory contains a download of [Semantic UI]
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The entry point into the application is `boardvoting.go` in the top level directory. `Makefile` controls the build
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`Jenkinsfile` contains the pipeline definition for the [Continuous Integration Job]. `package-lock.json` contains the
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pinned versions of external JavaScript and CSS assets (use `npm install` to download them into a local `node_modules`
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directory). `semantic.json` is the configuration file for the [Semantic UI] CSS framework.
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[Continuous Integration Job]: https://jenkins.cacert.org/job/cacert-boardvoting/
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[Go]: https://golang.org/
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[Go templates]: https://golang.org/pkg/text/template/
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[jQuery]: https://jquery.com/
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[Semantic UI]: https://semantic-ui.com/
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