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recover provides localities a privacy-compliant, safe, and easy way for their guests to check in. See https://www.recoverapp.de/ for more details.

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rcvr.app

rcvr.app – client app for recover – a product by Railslove

Recoverapp: Backlog

Intro

Due to COVID-19, many localities, like bars and restaurants, must keep track of their guest. So, in the case of infection, the public health department can trace contact persons using this data.

The German government suggested a very old-school way on how to achieve this. Owners should put a printed document on each table, and guests have to write down their data with a pen, visible to everyone.

We know we can do better. Those lists are annoying for everyone, and especially a big privacy concern.

With recover, guests scan a QR Code with their phone and enter their contact details, which will be encrypted on their device and stored on our server. Only the business owner can decrypt this data, and only when the public health department requests it.

How does rcvr.app work?

When an owner signs up, a key pair will be generated on their device. The owner needs to safely store the private key by saving it inside a password manager or writing it on a piece of paper and putting it in a physical safe. This private key is required to decrypt the data of the guests.

The public part of this key pair is embedded inside the QR Code, together with a unique identifier for each table.

When the public health department requests data for a specific time range from an owner, we will send them the guest's encrypted data from this period. The owner can then decrypt this data using his private key and send it to the public health department.

When a guest checks in, a random ID will be saved on the guest's device. recover will provide a public feed of all check-in IDs in danger of a COVID-19 infection. The IDs can be public because they cannot be traced back to a person. Only the guest's device knows if one of the stored IDs is also inside this public feed. If this is the case, we can notify the guest of the potential infection.

Background

recover was initially developed during one weekend. We noticed the urgency and needs of business owners and wanted to provide a solution. A special thanks goes to everyone who helped and consulted us to achieve our goal in this short amount of time.

Contribute

Stack:

Before you can start, you need:

  • Node.js >= 12
  • npm (comes with node)

Setup:

Install the dependencies:

npm install

Start the Next.js app:

npm run dev

The app is now available here: http://localhost:3000

You can also choose a different port, e.g., when you're running rcvr-api already on port 3000.

npm run dev -- -p 3333

Suppose you want to change environment variables locally, for example, the API URL. In that case, you can duplicate .env to .env.local and change the variables in your local copy. Read more about environment variables here.

If you want to change environment variables locally, for example the API URL, you can duplicate .env to .env.local and change the variables in your local copy. Read more about environment variables here.

To contribute, please simply create a PullRequest. If you have the permissions to merge, please do so yourself, but only after you have at least one approval from a core contributor. If you are working on a ticket from the backlog, please leave a link in the description. Either way, please add a small description of the changes and a screenshot if applicable. Rebasing or squashing are preferred over merges.

Deployment

  • origin/master deploys to rcvr.app on push
  • origin/env/care deploys to care.rcvr.app on push
  • origin/env/health deploys to health.rcvr.app on push
  • All pushed branches will create a preview deployment
    • Prefixing a branch with care/ will use a preview deployment of recover care

Testing

This app is using cypress as testing framework. To start testing locally you have to start the development server in ci mode with npm run start:ci and keep it running. Start the cypress ui with npm run cypress open. Alternatively, run the tests on the command line with npm test.

recover health

recover health is a version of recover for institutions like hospitals and nursing homes. It has slight differences in theming and behavior. To switch to recover care, set the environment variable BUILD_VARIANT=health.

BUILD_VARIANT=health npm run dev

recover care

recover care is a version of recover for institutions like hospitals and nursing homes. It has slight differences in theming and behavior. To switch to recover care, set the environment variable BUILD_VARIANT=care.

BUILD_VARIANT=care npm run dev

License

rcvr.app is open-source and free software released under the GNU AGPL (GNU Affero General Public License v3.0). We, Railslove GmbH, are committed to ensuring that it will remain a free and open-source project.


Made with 💚 in Cologne