api: Move OAuth2.0 client definitions to config file, from MongoDB

api/config.dev.json

@@ -7,5 +7,21 @@
   "mongodb": {
     "url": "mongodb://mongo/obsTest",
     "debug": true
+  },
+  "oAuth2Clients": [
+    {
+      "clientId": "b730f8d2-d93c-4c68-9ff0-dfac8da76ee2",
+      "validRedirectUris": ["http://localhost:3001/redirect"],
+      "refreshTokenExpirySeconds": 604800,
+      "maxScope": "*",
+      "title": "OBS Portal"
+    },
+    {
+      "clientId": "a2958209-4045-4ec9-8cb3-1156abba7de3",
+      "validRedirectUris": ["__LOCAL__"],
+      "maxScope": "track.upload",
+      "refreshTokenExpirySeconds": 86400000,
+      "title": "OpenBikeSensor"
     }
+  ]
 }

api/config.json.example

@@ -15,5 +15,21 @@
   "mongodb": {
     "url": "mongodb://user:pass@host/obs",
     "debug": false
+  },
+  "oAuth2Clients": [
+    {
+      "clientId": "CHANGEME",
+      "validRedirectUris": ["https://site.example.com/redirect"],
+      "refreshTokenExpirySeconds": 604800,
+      "maxScope": "*",
+      "title": "OBS Portal"
+    },
+    {
+      "clientId": "CHANGEME",
+      "validRedirectUris": ["__LOCAL__"],
+      "maxScope": "track.upload",
+      "refreshTokenExpirySeconds": 86400000,
+      "title": "OpenBikeSensor"
     }
+  ]
 }

api/src/config.js

@@ -25,6 +25,30 @@ const configSchema = Joi.object({
     url: Joi.string().required(),
     debug: Joi.boolean().default(process.env.NODE_ENV !== 'production'),
   }).required(),
+
+  oAuth2Clients: Joi.array()
+    .default([])
+    .items(
+      Joi.object({
+        title: Joi.string().required(),
+        clientId: Joi.string().required(),
+        validRedirectUris: Joi.array().required().items(Joi.string()),
+
+        // Set `refreshTokenExpirySeconds` to null to issue no refresh tokens.  Set
+        // to a number of seconds to issue refresh tokens with that duration. No
+        // infinite tokens are ever issued, set to big number to simulate that.
+        refreshTokenExpirySeconds: Joi.number()
+          .default(null)
+          .min(1) // 0 would make no sense, use `null` to issue no token
+          .max(1000 * 24 * 60 * 60), // 1000 days, nearly 3 years
+
+        // Set to a scope which cannot be exceeded when requesting client tokens.
+        // Clients must manually request a scope that is smaller or equal to this
+        // scope to get a valid response. Scopes are not automatically truncated.
+        // Leave empty or set to `"*"` for unlimited scopes in this client.
+        maxScope: Joi.string().required(),
+      }),
+    ),
 }).required();
 
 const configFiles = [

api/src/models/AccessToken.js

@@ -6,7 +6,7 @@ const schema = new mongoose.Schema(
   {
     token: { index: true, type: String, required: true, unique: true },
     user: { type: mongoose.Schema.Types.ObjectId, ref: 'User', required: true },
-    client: { type: mongoose.Schema.Types.ObjectId, ref: 'Client', required: true },
+    clientId: { type: String, required: true },
     expiresAt: { type: Date, required: true },
     scope: { type: String, required: true, defaultValue: '*' },
   },
@@ -31,15 +31,13 @@ class AccessToken extends mongoose.Model {
     return 'Bearer ' + this.token;
   }
 
-  static generate(client, user, scope = '*', expiresInSeconds = 24 * 60 * 60) {
+  static generate(options, expiresInSeconds = 24 * 60 * 60) {
     const token = crypto.randomBytes(32).toString('hex');
 
     return new AccessToken({
+      ...options,
       token,
-      user,
-      client,
       expiresAt: new Date(new Date().getTime() + 1000 * expiresInSeconds),
-      scope,
     });
   }
 }

api/src/models/AuthorizationCode.js

@@ -5,7 +5,7 @@ const schema = new mongoose.Schema(
   {
     code: { type: String, unique: true, required: true },
     user: { type: mongoose.Schema.Types.ObjectId, ref: 'User', required: true },
-    client: { type: mongoose.Schema.Types.ObjectId, ref: 'Client', required: true },
+    clientId: { type: String, required: true },
     scope: { type: String, required: true, defaultValue: '*' },
     redirectUri: { type: String, required: true },
     expiresAt: { type: Date, required: true },
@@ -15,17 +15,13 @@ const schema = new mongoose.Schema(
 );
 
 class AuthorizationCode extends mongoose.Model {
-  static generate(client, user, redirectUri, scope, codeChallenge, expiresInSeconds = 60) {
+  static generate(options, expiresInSeconds = 60) {
     const code = crypto.randomBytes(8).toString('hex');
 
     return new AuthorizationCode({
+      ...options,
       code,
-      user,
-      client,
-      redirectUri,
       expiresAt: new Date(new Date().getTime() + 1000 * expiresInSeconds),
-      scope,
-      codeChallenge,
     });
   }
 }

api/src/models/Client.js

@@ -1,37 +0,0 @@
-const mongoose = require('mongoose');
-
-const schema = new mongoose.Schema(
-  {
-    title: { type: String, required: true },
-    clientId: { type: String, required: true }, // this is external, so we do not use the ObjectID
-    validRedirectUris: [{ type: String }],
-
-    // this implementation deals with public clients only, so the following fields are not required:
-    // confidential: {type: Boolean}, // whether this is a non-public, aka confidential client
-    // clientSecret: { type: String },
-
-    // Set `refreshTokenExpirySeconds` to null to issue no refresh tokens.  Set
-    // to a number of seconds to issue refresh tokens with that duration. No
-    // infinite tokens are ever issued, set to big number to simulate that.
-    refreshTokenExpirySeconds: {
-      type: Number,
-      required: false,
-      defaultValue: null,
-      min: 1, // 0 would make no sense, use `null` to issue no token
-      max: 1000 * 24 * 60 * 60, // 1000 days, nearly 3 years
-    },
-
-    // Set to a scope which cannot be exceeded when requesting client tokens.
-    // Clients must manually request a scope that is smaller or equal to this
-    // scope to get a valid response. Scopes are not automatically truncated.
-    // Leave empty or set to `"*"` for unlimited scopes in this client.
-    maxScope: { type: String, required: false },
-  },
-  { timestamps: true },
-);
-
-class Client extends mongoose.Model {}
-
-mongoose.model(Client, schema);
-
-module.exports = Client;

api/src/models/RefreshToken.js

@@ -8,7 +8,7 @@ const schema = new mongoose.Schema(
   {
     token: { index: true, type: String, required: true, unique: true },
     user: { type: mongoose.Schema.Types.ObjectId, ref: 'User', required: true },
-    client: { type: mongoose.Schema.Types.ObjectId, ref: 'Client', required: true },
+    clientId: { type: String, required: true },
     expiresAt: { type: Date, required: false },
     scope: { type: String, required: true, defaultValue: '*' },
   },
@@ -29,21 +29,15 @@ class RefreshToken extends mongoose.Model {
     return this.expiresAt == null || this.expiresAt < new Date()
   }
 
-  static generate(client, user, scope = '*', expiresInSeconds = 24 * 60 * 60) {
+  static generate(options, expiresInSeconds = 24 * 60 * 60) {
     const token = crypto.randomBytes(32).toString('hex');
 
     return new RefreshToken({
+      ...options,
       token,
-      client,
-      user,
       expiresAt: new Date(new Date().getTime() + 1000 * expiresInSeconds),
-      scope,
     });
   }
-
-  genererateAccessToken(expiresInSeconds = undefined) {
-    return AccessToken.generate(this.user, this.scope, expiresInSeconds)
-  }
 }
 
 mongoose.model(RefreshToken, schema);

api/src/models/User.js

@@ -2,6 +2,7 @@ const mongoose = require('mongoose');
 const uniqueValidator = require('mongoose-unique-validator');
 const crypto = require('crypto');
 const jwt = require('jsonwebtoken');
+const config = require('../config')
 
 const schema = new mongoose.Schema(
   {

api/src/models/index.js

@@ -1,6 +1,5 @@
 module.exports.AccessToken = require('./AccessToken')
 module.exports.AuthorizationCode = require('./AuthorizationCode')
-module.exports.Client = require('./Client')
 module.exports.Comment = require('./Comment')
 module.exports.RefreshToken = require('./RefreshToken')
 module.exports.Track = require('./Track')

api/src/routes/auth.js

@@ -3,10 +3,10 @@ const passport = require('passport');
 const { URL } = require('url');
 const { createChallenge } = require('pkce');
 
-const { AuthorizationCode, AccessToken, RefreshToken, Client } = require('../models');
+const { AuthorizationCode, AccessToken, RefreshToken } = require('../models');
 const auth = require('../passport');
 const wrapRoute = require('../_helpers/wrapRoute');
-const config = require('../config')
+const config = require('../config');
 
 // Check whether the "bigScope" fully includes the "smallScope".
 function scopeIncludes(smallScope, bigScope) {
@@ -49,7 +49,7 @@ function isValidScope(scope) {
 
 router.use((req, res, next) => {
   res.locals.user = req.user;
-  res.locals.mainFrontendUrl = config.mainFrontendUrl
+  res.locals.mainFrontendUrl = config.mainFrontendUrl;
   next();
 });
 
@@ -170,7 +170,7 @@ router.get(
         return returnError(res, 'invalid_request', 'client_id parameter required');
       }
 
-      const client = await Client.findOne({ clientId });
+      const client = await config.oAuth2Clients.find((c) => c.clientId === clientId);
       if (!client) {
         return returnError(res, 'invalid_client', 'unknown client');
       }
@@ -269,13 +269,17 @@ router.post(
       });
     }
 
-    const client = await Client.findOne({ clientId });
-
     // invalidate the transaction
     req.session.authorizationTransaction = null;
 
     if (req.path === '/authorize/approve') {
-      const code = AuthorizationCode.generate(client, req.user, redirectUri, scope, codeChallenge);
+      const code = AuthorizationCode.generate({
+        clientId,
+        user: req.user,
+        redirectUri,
+        scope,
+        codeChallenge,
+      });
       await code.save();
 
       return redirectWithParams(res, redirectUri, { code: code.code, scope });
@@ -336,7 +340,7 @@ router.get(
       return returnError(res, 'invalid_request', 'code_verifier parameter required');
     }
 
-    const client = await Client.findOne({ clientId });
+    const client = await config.oAuth2Clients.find((c) => c.clientId === clientId);
 
     if (!client) {
       await destroyAuthCode();
@@ -356,7 +360,7 @@ router.get(
       await destroyAuthCode();
       return returnError(res, 'invalid_grant', 'invalid authorization code');
     }
-    if (!client._id.equals(authorizationCode.client)) {
+    if (clientId !== authorizationCode.clientId) {
       await destroyAuthCode();
       return returnError(res, 'invalid_grant', 'invalid authorization code');
     }
@@ -368,15 +372,21 @@ router.get(
     // invalidate auth code now, before generating tokens
     await AuthorizationCode.deleteOne({ _id: authorizationCode._id });
 
-    const accessToken = AccessToken.generate(authorizationCode.client, authorizationCode.user, authorizationCode.scope);
+    const accessToken = AccessToken.generate({
+      clientId: authorizationCode.clientId,
+      user: authorizationCode.user,
+      scope: authorizationCode.scope,
+    });
     await accessToken.save();
 
     let refreshToken;
     if (client.refreshTokenExpirySeconds != null) {
       refreshToken = RefreshToken.generate(
-        authorizationCode.client,
-        authorizationCode.user,
-        authorizationCode.scope,
+        {
+          clientId: authorizationCode.clientId,
+          user: authorizationCode.user,
+          scope: authorizationCode.scope,
+        },
         client.refreshTokenExpirySeconds,
       );
       await refreshToken.save();
@@ -399,7 +409,7 @@ router.get(
 router.get(
   '/.well-known/oauth-authorization-server',
   wrapRoute(async (req, res) => {
-    const baseUrl = config.baseUrl.replace(/\/+$/, '')
+    const baseUrl = config.baseUrl.replace(/\/+$/, '');
 
     return res.json({
       issuer: baseUrl,

frontend/src/config.json

@@ -1,7 +1,7 @@
 {
   "auth": {
     "server": "http://localhost:3000",
-    "clientId": "123",
+    "clientId": "b730f8d2-d93c-4c68-9ff0-dfac8da76ee2",
     "scope": "*",
     "redirectUri": "http://localhost:3001/redirect"
   }