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API for the VRAtlas - The open source hub to find new events in virtual reality.

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VRAtlas.API

API for the VRAtlas - The open source hub to find new events in virtual reality.

Live

The API is live at api.vratlas.io/swagger

Requesting Features

If you're wanting to request a feature for just the website or a feature that requires updating both the website and the API, go to VRAtlas.Web and create an issue there.

If you're just exclusively requesting a feature or making an issue related to the API, make it here.

Setup Guide

Quick prelude: if you are trying to set up the API or website and are encountering issues or experiencing confusion at any step, make an issue on this repository to let me know. I will gladly assist and update the documentation if needed.

For development and deployment, you need a few third party services. In the future, additional alternatives that operate locally will be implemented.

You will also need these dependencies

  • .NET 7 SDK
  • PostgreSQL (14 or Later, Multiple Databases Required)
  • Docker (For Running Tests)
  • Redis (For Caching)

The configuration file appsettings.json, secrets.json, etc. is as follows:

{
  "ConnectionStrings": {
    "Main": "Server=dbhost;Port=dbport;User Id=userid;Password=password;Database=vratlas;",
    "Quartz": "Server=quartzdbhost;Port=quartzdbport;User Id=quartzuserid;Password=quartzpassword;Database=postgres;", // Relies on Quartz.NET for scheduling events.
    "Redis": "localhost:6379"
  },
  "Auth0": {
    "Domain": "https://your-tenant.region.auth0.com/", // Make sure that it begins with the protocol ("https://") and ends with the forward slash ("/")
    "Audience": "<YOUR AUDIENCE>", // The Auth0 API Identifier, or audience.
    "ClientId": "<YOUR AUTH0 APPLICATION CLIENT ID>",
    "ClientSecret": "<YOUR AUTH0 APPLICATION CLIENT SECRET>"
  },
  "Cloudflare": {
    "ApiUrl": "https://api.cloudflare.com/client/v4/accounts/<YOUR ACCOUNT ID>", // VRAtlas.API uses v4 of the Cloudflare API
    "ApiKey": "<YOUR API KEY>"
  },
  "VRAtlas": {
    "Salt": "<secret string>" // Used for generating salts for ID generation 
  }
}

Finally, there are some development tools that are highly recommended.

  • Caddy (For setting up a local web reverse proxy)

Setting Up the Databases

The VR Atlas requires two databases to work. One is for storing data and the other is for the job scheduler used internally (responsible for updating events and dispatching notifications at the right time.

  1. Setup a PostgreSQL >=14 instance.
  2. You do not need to create a database for the main storage. It will be generated automatically when you run the API for the first time.
  3. Create a new database for the scheduler. Run the following SQL to initialize it.
  4. Provide the connection strings to the API's configuration file.

Setting Up Third Party Services

Cloudflare Images

Note: Cloudflare Images is a paid service. At the time of writing it costs $5.00 USD per month. The API will soon add an alternative image uploading implementation which saves and serves files locally.

  1. Login / Register for Cloudflare and Cloudflare Images.
  2. Navigate to your Cloudflare Profile's API Tokens
  3. Create a new token using the template for R/W Access to Cloudflare Images or create a custom token with an Account permission for Cloudflare Images with Read and Edit enabled. Record the value of the token. This is your API Key.
  4. Navigate to the Cloudflare Images dashboard, and record the values of Account ID and Account Hash for later.
  5. Create Five variants, mini, small, medium, large, and full. The live version of VRAtlas uses Fit: Scale down and Metadata: Strip all metadata for all variants and the sizes of 64x64, 256x256, 512x512, 1024x1024, and 2048x2048 respectively.

Add the Account ID and API Key to your configuration file.

Auth0

Auth0 is an authorization and authentication as a service platform with multiple pricing tiers. It also has a free tier which will be fine for most use cases.

  1. Login / Register for Auth0
  2. Create a new tenant (recommended) or use the default tenant
  3. Navigate to the Applications -> APIs Section
    1. Create a New API
      • The name and identifier are up to you. Record the value of your identifier for later.
      • Ensure the Signing Algorithm is set to RS256
      • This process will create a new Machine to Machine Application within Auth0
    2. Go to the Permissions tab of your API
    3. Add the following permissions:
      • create:groups
      • update:groups
      • create:upload_url
      • create:events
      • update:events
  4. Navigate to the Applications -> Applications Section
    1. Find the recently created application. It should contain the name of the API you created.
    2. Go to the Settings tab of your Application
    3. Record the values of Domain, Client ID, and Client Secret for later.
    4. In Allowed Callback URLs, add the endpoint to what you want to redirect to after auth. If you're just working on the VR Atlas API, you can set this to a random localhost url like http://localhost:15000. If you're setting it up for the VR Atlas website, you will want to set it to WEBSITE_INSTANCE_URL/login/callback.
    5. In Advanced Settings...
      • Under the OAuth tab, set the JSON Web Token (JWT) Signature Algorithm to HS256.
      • Under the Grant Types tab, ensure Authorization Code, Refresh Token, and Client Credentials are selected.
    6. Make sure to save
    7. Go to the APIs tab of your Application
    8. Enable and expand Auth0 Management API
      • Ensure the read:users and update:users permissions are selected.
  5. Customize the login types under the Authentication section. The VR Atlas currently requires the logged in user have a profile picture, so ensure the login options all come from third party providers that have profile pictures.
  6. Navigate to the User Management -> Roles Section
    1. Create a new role called Standard. This will be the default role given to everyone who logs in.
    2. Go to the Permissions tab of the role
    3. Click Add Permissions
    4. Select the API that you created earlier
    5. Select all the permissions you created earlier.
    6. Record the Role ID for the next step.
  7. Navigate to Auth Pipeline -> Rules
    1. Create a new empty rule.
    2. Replace the basic script with the following:
      function (user, context, callback) {
          const count = context.stats && context.stats.loginsCount ? context.stats.loginsCount : 0;
          if (count > 1) {
              return callback(null, user, context);
          }
      
          const ManagementClient = require('[email protected]').ManagementClient;
          const management = new ManagementClient({
              token: auth0.accessToken,
              domain: auth0.domain
          });
      
          const params =  { id : user.user_id};
          const data = { "roles" : ["<default role ID>"]};
      
          management.users.assignRoles(params, data, function (err, user) {
              if (err) {
                  // Handle error.
                  console.log(err);
              }
              callback(null, user, context);
          });
      }
    3. In this script, replace <default role ID> with the role ID you recorded earlier.
    4. This script assigns the user the Standard role when they first log in.
  8. Add the values of your Domain, Audience, Client ID, and Client Secret to the VR Atlas API configuration file.
  9. Build Your Auth Url
    • Combine all the values you've collected into this template:
    • https://<DOMAIN>/authorize?response_type=code&client_id=<CLIENT_ID>&redirect_uri=<ONE OF YOUR CALLBACK URLS>&scope=openid%20profile&audience=<AUDIENCE>
    • Navigating to this in the browser will put you through the OAuth flow and callback to the redirect_uri provided with a code parameter.
  10. Testing Auth
    • You can pass the code and redirect_uri to the /auth/token endpoint of the VR Atlas API like so:
    • /auth/token?code=<YOUR CODE>&redirectUri=<CALLBACK URL USED TO GET THE CODE>
    • If everything went well, the endpoint should return a JSON response consisting of an access and id token as well as an expiration date.

Caddy

Caddy is highly recommended when working with both the API and the website, as it'll make working with URLs easier and bypass any annoyances with CORS locally.

  1. Install Caddy. If you're developing on Windows, you'll probably want the static binary, docker setup, or Chocolatey.
  2. Setup your Caddyfile to look as follows:
vratlas.localhost {
    handle_path /api/* {
        reverse_proxy https://localhost:7098 { # Change the port to what your API is running on.
            header_up X-Forwarded-Prefix /api 
        }
    }
    handle {
        reverse_proxy http://localhost:5173 # Change the port to what your dev website is running on. Refer to the VRAtlas.Web repository to see how to set up the website for development.
    }
}
  1. Reload/re-run Caddy.
  2. You should now be able to access the API at vratlas.localhost/api/swagger and the website at vratlas.localhost

Contribution Guide

These instructions are subject to change.

  1. Fork off this repository and create a new branch to work on your changes.
  2. Create a PR into main and describe the changes.
  • DO Try to follow the same naming conventions as the rest of the project
  • DO Leave comments on code you're writing that isn't easily explainable
  • DO Follow Never-Nesting
  • DON'T Leave unformatted lines
  • DON'T Include unused commented code

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