mirror of
https://github.com/simple-login/app.git
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178 lines
No EOL
4.6 KiB
Markdown
178 lines
No EOL
4.6 KiB
Markdown
Thanks for taking the time to contribute! 🎉👍
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The project uses Flask and requires Python3.7+.
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## Quick start
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If you have Docker installed, run the following command to start SimpleLogin local server:
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```bash
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docker run --name sl -it --rm \
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-e RESET_DB=true \
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-e CONFIG=/code/example.env \
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-p 7777:7777 \
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simplelogin/app:3.3.0 python server.py
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```
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Then open http://localhost:7777, you should be able to login with `john@wick.com/password` account.
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## General Architecture
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<p align="center">
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<img src="./docs/archi.png" height="450px">
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</p>
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SimpleLogin backend consists of 2 main components:
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- the `webapp` used by several clients: web UI (the dashboard), browser extension (Chrome & Firefox for now), OAuth clients (apps that integrate "Login with SimpleLogin" button) and mobile app (work in progress).
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- the `email handler`: implements the email forwarding (i.e. alias receiving email) and email sending (i.e. alias sending email).
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## Run code locally
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The project uses
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- Python 3.7+ and [poetry](https://python-poetry.org/) to manage dependencies
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- Node v10 for front-end.
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First, install all dependencies by running the following command.
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Feel free to use `virtualenv` or similar tools to isolate development environment.
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```bash
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poetry install
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```
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On Mac, sometimes you might need to install some other packages like
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```bash
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brew install pkg-config libffi openssl postgresql
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```
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You also need to install `gpg`, on Mac it can be done with:
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```bash
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brew install gnupg
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```
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Then make sure all tests pass
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```bash
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pytest
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```
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Install npm packages
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```bash
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cd static && npm install
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```
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To run the code locally, please create a local setting file based on `example.env`:
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```
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cp example.env .env
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```
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To run the server:
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```
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python3 server.py
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```
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then open http://localhost:7777, you should be able to login with the following account
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```
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john@wick.com / password
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```
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You might need to change the `.env` file for developing certain features. This file is ignored by git.
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## Database migration
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The database migration is handled by `alembic`
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Whenever the model changes, a new migration has to be created.
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If you have Docker installed, you can create the migration by the following script:
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```bash
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sh new_migration.sh
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```
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Make sure to review the migration script before committing it.
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Sometimes (very rarely though), the automatically generated script can be incorrect.
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We cannot use the local database to generate migration script as the local database doesn't use migration.
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It is created via `db.create_all()` (cf `fake_data()` method). This is convenient for development and
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unit tests as we don't have to wait for the migration.
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## Code structure
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The repo consists of the three following entry points:
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- wsgi.py and server.py: the webapp.
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- email_handler.py: the email handler.
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- cron.py: the cronjob.
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Here are the small sum-ups of the directory structures and their roles:
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- app/: main Flask app. It is structured into different packages representing different features like oauth, api, dashboard, etc.
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- local_data/: contains files to facilitate the local development. They are replaced during the deployment.
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- migrations/: generated by flask-migrate. Edit these files will be only edited when you spot (very rare) errors on the database migration files.
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- static/: files available at `/static` url.
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- templates/: contains both html and email templates.
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- tests/: tests. We don't really distinguish unit, functional or integration test. A test is simply here to make sure a feature works correctly.
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## Pull request
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Please contact us if you want to work on a new feature.
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The code is formatted using https://github.com/psf/black, to format the code, simply run
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```
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poetry run black .
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```
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The code is also checked with `flake8`, make sure to run `flake8` before creating the pull request by
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```bash
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poetry run flake8
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```
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## Test sending email
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[swaks](http://www.jetmore.org/john/code/swaks/) is used for sending test emails to the `email_handler`.
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[mailcatcher](https://github.com/sj26/mailcatcher) or [MailHog](https://github.com/mailhog/MailHog) can be used as a MTA to receive emails.
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Here's how set up the email handler:
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1) run mailcatcher or MailHog
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```bash
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mailcatcher
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```
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2) Make sure to set the following variables in the `.env` file
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```
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# comment out this variable
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# NOT_SEND_EMAIL=true
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# So the emails will be sent to mailcatcher/MailHog
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POSTFIX_SERVER=localhost
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POSTFIX_PORT=1025
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```
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3) Run email_handler
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```bash
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python email_handler.py
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```
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4) Send a test email
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```bash
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swaks --to e1@sl.local --from hey@google.com --server 127.0.0.1:20381
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```
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Now open http://localhost:1080/ (or http://localhost:1080/ for MailHog), you should see the forwarded email. |