feat: implement oidc-core base from private project

package.json

@@ -46,6 +46,7 @@
     "nestjs-otel": "^6.1.1",
     "nestjs-postal-client": "^0.0.6",
     "oidc-provider": "^8.5.1",
+    "psl": "^1.9.0",
     "pug": "^3.0.3",
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.1",

pnpm-lock.yaml

@@ -68,6 +68,9 @@ importers:
       oidc-provider:
         specifier: ^8.5.1
         version: 8.5.1
+      psl:
+        specifier: ^1.9.0
+        version: 1.9.0
       pug:
         specifier: ^3.0.3
         version: 3.0.3
@@ -3188,6 +3191,9 @@ packages:
   proxy-from-env@1.1.0:
     resolution: {integrity: sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==}
 
+  psl@1.9.0:
+    resolution: {integrity: sha512-E/ZsdU4HLs/68gYzgGTkMicWTLPdAftJLfJFlLUAAKZGkStNU72sZjT66SnMDVOfOWY/YAoiD7Jxa9iHvngcag==}
+
   pug-attrs@3.0.0:
     resolution: {integrity: sha512-azINV9dUtzPMFQktvTXciNAfAuVh/L/JCl0vtPCwvOA21uZrC08K/UnmrL+SXGEVc1FwzjW62+xw5S/uaLj6cA==}
 
@@ -7597,6 +7603,8 @@ snapshots:
 
   proxy-from-env@1.1.0: {}
 
+  psl@1.9.0: {}
+
   pug-attrs@3.0.0:
     dependencies:
       constantinople: 4.0.1

src/app.const.ts

@@ -1,2 +1,3 @@
 // This is the internal client ID for the application itself.
-export const internalClientId = 'internal.management';
+export const internalClientId = 'system.internal.management';
+export const internalRedirectTag = 'system.internalRedirect.management';

src/auth/model/user.model.ts

@@ -1,12 +0,0 @@
-import { IsEmail } from 'class-validator';
-import { Column, Model, Table } from 'sequelize-typescript';
-
-@Table
-export class User extends Model<User> {
-  @Column
-  username: string;
-
-  @Column
-  @IsEmail()
-  email: string;
-}

src/auth/oidc/adapter.ts

@@ -0,0 +1,652 @@
+/* eslint-disable @typescript-eslint/no-invalid-void-type */
+/* eslint-disable @typescript-eslint/no-unnecessary-condition */
+/* eslint-disable @typescript-eslint/no-unsafe-argument */
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { Adapter, AdapterPayload } from 'oidc-provider';
+import { DataSource } from 'typeorm';
+
+import { OidcClient } from '../../database/models/oidc_client.model';
+import { OidcGrant } from '../../database/models/oidc_grant.model';
+import { OidcRefreshToken } from '../../database/models/oidc_refresh_token.model';
+import { OidcSession } from '../../database/models/oidc_session.model';
+import { RedisService } from '../../redis/redis.service';
+
+const TCLIENT = 7;
+const TGRANT = 13;
+const TREFRESH = 4;
+const TSESSION = 1;
+
+const types = [
+  'Session', //1
+  'AccessToken', //2
+  'AuthorizationCode', //3
+  'RefreshToken', //4
+  'DeviceCode', //5
+  'ClientCredentials', //6
+  'Client', //7
+  'InitialAccessToken', //8
+  'RegistrationAccessToken', //9
+  'Interaction', //10
+  'ReplayDetection', //11
+  'PushedAuthorizationRequest', //12
+  'Grant', //13
+].reduce((map, name, i) => ({ ...map, [name]: i + 1 }), {});
+
+const grantable = new Set([
+  'AccessToken',
+  'AuthorizationCode',
+  'RefreshToken',
+  'DeviceCode',
+  'BackchannelAuthenticationRequest',
+]);
+
+// Cache for 30 min
+const globalCacheTTL = 1800;
+const ClientNotSupportedError = new Error('Clients are not supported');
+
+export const createOidcAdapter: (
+  db: DataSource,
+  redis: RedisService,
+  baseUrl: string,
+) => any = (db, redis, baseUrl) => {
+  const oidcClientRepo = db.getRepository(OidcClient);
+  const oidcGrantRepo = db.getRepository(OidcGrant);
+  const oidcSessionRepo = db.getRepository(OidcSession);
+  const oidcRefreshRepo = db.getRepository(OidcRefreshToken);
+
+  return class SQLAdapter implements Adapter {
+    type: number;
+
+    constructor(public name: string) {
+      this.type = types[name as keyof typeof types];
+      this.name = name;
+    }
+    /**
+     * Update or Create an instance of an oidc-provider model.
+     * @return {Promise} Promise fulfilled when the operation succeeded. Rejected with error when
+     * encountered.
+     * @param {string} id Identifier that oidc-provider will use to reference this model instance for
+     * future operations.
+     * @param {object} payload Object with all properties intended for storage.
+     * @param {integer} expiresIn Number of seconds intended for this model to be stored.
+     */
+    async upsert(
+      id: string,
+      payload: AdapterPayload,
+      expiresIn: number,
+    ): Promise<void> {
+      switch (this.type) {
+        case TCLIENT:
+          throw ClientNotSupportedError;
+        case TGRANT:
+          await this.upsertGrant(id, payload, expiresIn);
+          break;
+        case TREFRESH:
+          await this.upsertRefreshToken(id, payload);
+          break;
+        case TSESSION:
+          await this.upsertSession(id, payload, expiresIn);
+          break;
+        default:
+          await this.genericUpsert(id, payload, expiresIn);
+          break;
+      }
+    }
+
+    /**
+     * Return previously stored instance of an oidc-provider model.
+     * @return {Promise} Promise fulfilled with what was previously stored for the id (when found and
+     * not dropped yet due to expiration) or falsy value when not found anymore. Rejected with error
+     * when encountered.
+     * @param {string} id Identifier of oidc-provider model
+     */
+    find(id: string): Promise<AdapterPayload | undefined> {
+      switch (this.type) {
+        case TCLIENT:
+          return this.fetchClient(id);
+        case TGRANT:
+          return this.fetchGrant(id);
+        case TREFRESH:
+          return this.fetchRefreshToken(id);
+        case TSESSION:
+          return this.fetchSession(id);
+        default:
+          return this.genericFind(id);
+      }
+    }
+
+    /**
+     * Return previously stored instance of DeviceCode by the end-user entered user code. You only
+     * need this method for the deviceFlow feature
+     * @return {Promise} Promise fulfilled with the stored device code object (when found and not
+     * dropped yet due to expiration) or falsy value when not found anymore. Rejected with error
+     * when encountered.
+     * @param {string} userCode the user_code value associated with a DeviceCode instance
+     */
+    async findByUserCode(
+      userCode: string,
+    ): Promise<AdapterPayload | undefined> {
+      const id = (await redis.get(SQLAdapter.userCodeKeyFor(userCode))) as
+        | string
+        | undefined;
+      if (!id) {
+        return undefined;
+      }
+
+      return this.find(id);
+    }
+
+    /**
+     * Return previously stored instance of Session by its uid reference property.
+     * @return {Promise} Promise fulfilled with the stored session object (when found and not
+     * dropped yet due to expiration) or falsy value when not found anymore. Rejected with error
+     * when encountered.
+     * @param {string} uid the uid value associated with a Session instance
+     */
+    findByUid(uid: string): Promise<AdapterPayload | undefined> {
+      return this.fetchSessionByUid(uid);
+    }
+
+    /**
+     * Mark a stored oidc-provider model as consumed (not yet expired though!). Future finds for this
+     * id should be fulfilled with an object containing additional property named "consumed" with a
+     * truthy value (timestamp, date, boolean, etc).
+     * @return {Promise} Promise fulfilled when the operation succeeded. Rejected with error when
+     * encountered.
+     * @param {string} id Identifier of oidc-provider model
+     */
+    async consume(id: string): Promise<void> {
+      switch (this.type) {
+        case TCLIENT:
+          throw ClientNotSupportedError;
+        case TREFRESH:
+          await this.consumeRefreshToken(id);
+          break;
+        default:
+          await this.genericConsume(id);
+          break;
+      }
+    }
+
+    /**
+     * Destroy/Drop/Remove a stored oidc-provider model. Future finds for this id should be fulfilled
+     * with falsy values.
+     * @return {Promise} Promise fulfilled when the operation succeeded. Rejected with error when
+     * encountered.
+     * @param {string} id Identifier of oidc-provider model
+     */
+    async destroy(id: string): Promise<void> {
+      switch (this.type) {
+        case TCLIENT:
+          throw ClientNotSupportedError;
+        case TGRANT:
+          await this.destroyGrant(id);
+          break;
+        case TREFRESH:
+          await this.destroyRefreshToken(id);
+          break;
+        case TSESSION:
+          await this.destroySession(id);
+          break;
+        default:
+          await this.genericDestroy(id);
+          break;
+      }
+    }
+
+    /**
+     * Destroy/Drop/Remove a stored oidc-provider model by its grantId property reference. Future
+     * finds for all tokens having this grantId value should be fulfilled with falsy values.
+     * @return {Promise} Promise fulfilled when the operation succeeded. Rejected with error when
+     * encountered.
+     * @param {string} grantId the grantId value associated with a this model's instance
+     */
+    async revokeByGrantId(grantId: string): Promise<void> {
+      await this.revokeGrant(grantId);
+    }
+
+    // Internal Functions
+
+    // === GRANT === //
+
+    /**
+     * Fetch a grant from the database, or cache if it exists.
+     * @param uid Grant UUID
+     * @returns Promise<OidcGrant | undefined>
+     */
+    private async fetchGrant(id: string): Promise<AdapterPayload | undefined> {
+      const cachedGrant = (await redis.get(this.key(id))) as OidcGrant | null;
+
+      if (cachedGrant) {
+        return cachedGrant;
+      }
+
+      const grant = await oidcGrantRepo.findOne({
+        where: { id },
+      });
+
+      if (!grant) {
+        return undefined;
+      }
+
+      const generatedResponse = grant.generateResponse();
+
+      await redis.set(this.key(id), generatedResponse, globalCacheTTL);
+
+      return generatedResponse;
+    }
+
+    /**
+     * Upsert a grant into the database, and cache it. Do not cache past the grant's expiration.
+     * @param id Grant UUID
+     * @param payload Grant payload
+     * @param expiresIn Grant expiration in seconds
+     * @returns Promise<void | undefined>
+     */
+    private async upsertGrant(
+      id: string,
+      payload: AdapterPayload,
+      expiresIn: number,
+    ): Promise<void> {
+      await oidcGrantRepo.upsert(
+        {
+          id,
+          ...payload,
+        },
+        {
+          conflictPaths: {
+            id: true,
+          },
+        },
+      );
+
+      const ttl = Math.min(expiresIn, globalCacheTTL);
+      await redis.set(this.key(id), payload, ttl);
+    }
+
+    /**
+     * Destroy a grant from the database, and remove it from the cache
+     * @param id Grant UUID
+     * @returns Promise<void | undefined>
+     */
+    private async destroyGrant(id: string): Promise<void> {
+      await oidcGrantRepo.delete({
+        id,
+      });
+
+      await redis.del(this.key(id));
+    }
+
+    /**
+     * Revoke a grant from the database, and remove it from the cache.
+     * @param grantId Grant UUID
+     * @returns Promise<void | undefined>
+     */
+    private async revokeGrant(grantId: string): Promise<void> {
+      const grantKey = SQLAdapter.grantKeyFor(grantId);
+      const grantIds = await redis.lrange(grantKey, 0, -1);
+
+      await redis.del(grantKey);
+
+      await Promise.all(grantIds.map((id) => redis.del(id)));
+
+      await oidcGrantRepo.delete({
+        id: grantId,
+      });
+
+      await redis.del(this.key(grantId));
+    }
+
+    /// === SESSION === ///
+
+    /**
+     * Fetch a session from the database, or cache if it exists.
+     * @param id Session UUID
+     * @returns Promise<OidcSession | undefined>
+     */
+    private async fetchSession(
+      id: string,
+    ): Promise<AdapterPayload | undefined> {
+      const cachedSession = (await redis.get(
+        this.key(id),
+      )) as OidcSession | null;
+
+      if (cachedSession) {
+        return cachedSession;
+      }
+
+      const session = await oidcSessionRepo.findOne({
+        where: { id },
+      });
+
+      if (!session) {
+        return undefined;
+      }
+
+      const generatedSession = session.generateResponse();
+
+      await redis.set(this.key(id), generatedSession, globalCacheTTL);
+
+      return generatedSession;
+    }
+
+    /**
+     * Upsert a session into the database, and cache it. Do not cache past the session's expiration.
+     * @param id Session UUID
+     * @param payload Session payload
+     * @param expiresIn Session expiration in seconds
+     * @returns Promise<void | undefined>
+     */
+
+    private async upsertSession(
+      id: string,
+      payload: AdapterPayload,
+      expiresIn: number,
+    ): Promise<void> {
+      await oidcSessionRepo.upsert(
+        {
+          id,
+          ...(payload as any),
+        },
+        {
+          conflictPaths: {
+            id: true,
+          },
+        },
+      );
+
+      const ttl = Math.min(expiresIn, globalCacheTTL);
+      await redis.set(this.key(id), payload, ttl);
+
+      if (payload.uid) {
+        await redis.set(SQLAdapter.uidKey(payload.uid), id, ttl);
+      }
+    }
+
+    /**
+     * Fetch a session from a UUID, or cache if it exists.
+     * @param uid Session UUID
+     * @returns Promise<OidcSession | undefined>
+     */
+    private async fetchSessionByUid(
+      uid: string,
+    ): Promise<AdapterPayload | undefined> {
+      const cachedSession = (await redis.get(SQLAdapter.uidKey(uid))) as
+        | string
+        | null;
+
+      if (cachedSession) {
+        return this.fetchSession(cachedSession);
+      }
+
+      const session = await oidcSessionRepo.findOne({
+        where: { uid },
+      });
+
+      if (!session) {
+        return undefined;
+      }
+
+      // cache the uuid reference for the session
+      await redis.set(SQLAdapter.uidKey(uid), session.id, globalCacheTTL);
+
+      return session;
+    }
+
+    /**
+     * Destroy a session from the database, and remove it from the cache
+     * @param id Session UUID
+     * @returns Promise<void | undefined>
+     */
+    private async destroySession(id: string): Promise<void> {
+      await oidcSessionRepo.delete({
+        id,
+      });
+
+      await redis.del(this.key(id));
+    }
+
+    // === CLIENT === //
+
+    /**
+     * Fetch a client from the database, or cache if it exists.
+     * @param id Client UUID
+     * @returns Promise<OidcClient | undefined>
+     */
+    private async fetchClient(id: string): Promise<AdapterPayload | undefined> {
+      const cachedClient = (await redis.get(this.key(id))) as OidcClient | null;
+
+      if (cachedClient) {
+        return cachedClient;
+      }
+
+      const client = await oidcClientRepo.findOne({
+        where: { client_id: id },
+      });
+
+      if (!client) {
+        return undefined;
+      }
+
+      if (!client.redirect_uris) {
+        client.redirect_uris = [];
+      }
+
+      if (
+        client.redirect_uris.some((uri) =>
+          uri.includes('system.internalRedirect'),
+        )
+      ) {
+        client.redirect_uris = client.redirect_uris.map((uri) => {
+          if (uri === 'system.internalRedirect.management') {
+            return `${baseUrl}/account/login`;
+          }
+
+          return uri;
+        });
+      }
+
+      if (!client.post_logout_redirect_uris) {
+        client.post_logout_redirect_uris = [];
+      }
+
+      await redis.set(this.key(id), client, globalCacheTTL);
+
+      return client;
+    }
+
+    // === REFRESH TOKEN === //
+
+    /**
+     * Upserts a refresh token into the database, do not cache.
+     * @param id Refresh Token UUID
+     * @param payload Refresh Token payload
+     * @param expiresIn Refresh Token expiration in seconds
+     * @returns Promise<void | undefined>
+     */
+    private async upsertRefreshToken(
+      id: string,
+      payload: AdapterPayload,
+    ): Promise<void> {
+      await oidcRefreshRepo.upsert(
+        {
+          id,
+          ...(payload as any),
+        },
+        {
+          conflictPaths: {
+            id: true,
+          },
+        },
+      );
+    }
+
+    /**
+     * Fetch a refresh token from the database.
+     * @param id Refresh Token UUID
+     * @returns Promise<OidcRefreshToken | undefined>
+     */
+    private async fetchRefreshToken(
+      id: string,
+    ): Promise<AdapterPayload | undefined> {
+      const refreshToken = await oidcRefreshRepo.findOne({
+        where: { id },
+      });
+
+      if (!refreshToken) {
+        return undefined;
+      }
+
+      return refreshToken;
+    }
+
+    /**
+     * Consume a refresh token from the database.
+     * @param id Refresh Token UUID
+     * @returns Promise<void | undefined>
+     */
+    private async consumeRefreshToken(id: string): Promise<void> {
+      await oidcRefreshRepo.update(
+        {
+          id,
+        },
+        {
+          consumed: Math.floor(Date.now() / 1000),
+        },
+      );
+    }
+
+    /**
+     * Destroy a refresh token from the database.
+     * @param id Refresh Token UUID
+     * @returns Promise<void | undefined>
+     */
+    private async destroyRefreshToken(id: string): Promise<void> {
+      await oidcRefreshRepo.delete({
+        id,
+      });
+    }
+
+    // Generic Fallback Functions
+
+    /**
+     * Default upsert function for all models.
+     * @param id Model UUID
+     * @param payload Model payload
+     * @param expiresIn Model expiration in seconds
+     * @returns Promise<OidcModel | undefined>
+     */
+    async genericUpsert(
+      id: string,
+      payload: AdapterPayload,
+      expiresIn: number,
+    ): Promise<void> {
+      const multi = redis.multi();
+      const key = this.key(id);
+      multi.call('JSON.SET', key, '.', JSON.stringify(payload));
+
+      // if type is GRANT
+
+      if (expiresIn) {
+        multi.expire(key, expiresIn);
+      }
+
+      if (grantable.has(this.name) && payload.grantId) {
+        const grantKey = SQLAdapter.grantKeyFor(payload.grantId);
+        multi.rpush(grantKey, key);
+        // if you're seeing grant key lists growing out of acceptable proportions consider using LTRIM
+        // here to trim the list to an appropriate length
+        const ttl = await redis.ttl(grantKey);
+        if (expiresIn > ttl) {
+          multi.expire(grantKey, expiresIn);
+        }
+      }
+
+      if (payload.userCode) {
+        const userCodeKey = SQLAdapter.userCodeKeyFor(payload.userCode);
+        multi.set(userCodeKey, id);
+        multi.expire(userCodeKey, expiresIn);
+      }
+
+      if (payload.uid) {
+        const uidKey = SQLAdapter.uidKey(payload.uid);
+        multi.set(uidKey, id);
+        multi.expire(uidKey, expiresIn);
+      }
+
+      await multi.exec();
+    }
+
+    /**
+     * Default find function for all models.
+     * @param id Model UUID
+     * @returns Promise<OidcModel | undefined>
+     */
+    async genericFind(id: string): Promise<AdapterPayload | undefined> {
+      const key = this.key(id);
+      const data = await redis.jsonGet(key);
+
+      if (!data) {
+        return undefined;
+      }
+
+      return data as AdapterPayload;
+    }
+
+    /**
+     * Default consume function for all models.
+     * @param id Model UUID
+     */
+    async genericConsume(id: string): Promise<void> {
+      await redis.jsonSetPath(
+        this.key(id),
+        'consumed',
+        Math.floor(Date.now() / 1000),
+      );
+    }
+
+    /**
+     * Default destroy function for all models.
+     * @param id Model UUID
+     */
+    async genericDestroy(id: string): Promise<void> {
+      await redis.del(this.key(id));
+    }
+
+    /**
+     * Auto Generate the cache key for a system
+     * @param id Client UUID
+     * @returns string
+     */
+    key(id: string): string {
+      return `ww-auth:oidc:${this.name}:${id}`;
+    }
+
+    /**
+     * Auto generate a uuid cache key for a system
+     * @param id Client UUID
+     * @returns string
+     */
+    static uidKey(id: string): string {
+      return `ww-auth:oidc:uuid:uid:${id}`;
+    }
+
+    /**
+     * Auto generate a grant array cache key for a system
+     * @param id Client UUID
+     * @returns string
+     */
+    static grantKeyFor(id: string): string {
+      return `ww-auth:oidc:grantArray:${id}`;
+    }
+
+    /**
+     * Auto generate a user code cache key for a system
+     * @param id Client UUID
+     * @returns string
+     */
+    static userCodeKeyFor(id: string): string {
+      return `ww-auth:oidc:userCode:${id}`;
+    }
+  };
+};

src/auth/oidc/core.service.ts

@@ -1,6 +1,22 @@
+/* eslint-disable @typescript-eslint/no-unused-vars */
 import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
+import { promises as fs } from 'fs';
 import type Provider from 'oidc-provider';
+import psl from 'psl';
 import type { Configuration, errors, KoaContextWithOIDC } from 'oidc-provider';
+import { createOidcAdapter } from './adapter';
+import {
+  ACCESS_TOKEN_LIFE,
+  AUTHORIZATION_TOKEN_LIFE,
+  CLIENT_CREDENTIALS_TOKEN_LIFE,
+  DEVICE_CODE_LIFE,
+  GRANT_LIFE,
+  ID_TOKEN_LIFE,
+  INTERACTION_LIFE,
+  PUSHED_AUTH_REQ_LIFE,
+  REFRESH_TOKEN_LIFE,
+  SESSION_LIFE,
+} from './oidc.const';
 
 // This is an async import for the oidc-provider package as it's now only esm and we need to use it in a commonjs environment.
 async function getProvider(): Promise<{
@@ -61,8 +77,265 @@ export class OidcService implements OnModuleInit {
       }
     };
 
-    
+    const config = {
+      adapter: createOidcAdapter(this.dataSource, this.redisService, baseUrl),
+      extraClientMetadata: {
+        properties: [
+          'post_logout_redirect_uris',
+          'client_cors',
+          'allowed_introspection_targets',
+          'redirect_uris',
+          'include_permissions_from_client',
+        ],
+        validator(ctx, key, value, metadata) {
+          if (key === 'client_cors') {
+            // set default (no CORS)
+            if (value === undefined) {
+              metadata['client_cors'] = [];
+              return;
+            }
+            // validate an array of Origin strings
+            if (!Array.isArray(value) || !value.every(isOrigin)) {
+              throw new providerErrors.InvalidClientMetadata(
+                `client_cors must be an array of origins`,
+              );
+            }
+          }
+
+          if (key === 'redirect_uris') {
+            for (const redirectUri of value as string[]) {
+              if (redirectUri.includes('*')) {
+                const { hostname, href } = new URL(redirectUri);
+
+                if (href.split('*').length !== 2) {
+                  throw new providerErrors.InvalidClientMetadata(
+                    'redirect_uris with a wildcard may only contain a single one',
+                  );
+                }
+
+                if (!hostname.includes('*')) {
+                  throw new providerErrors.InvalidClientMetadata(
+                    'redirect_uris may only have a wildcard in the hostname',
+                  );
+                }
+
+                const test = hostname.replace('*', 'test');
+
+                if (test === hostname) {
+                  throw new providerErrors.InvalidClientMetadata(
+                    'redirect_uris with a wildcard must have a dot before it',
+                  );
+                }
+
+                const domain = hostname.split('*.')[1];
+                if (domain && !psl.get(domain)) {
+                  throw new providerErrors.InvalidClientMetadata(
+                    'redirect_uris with a wildcard must not match an eTLD+1 of a known public suffix domain',
+                  );
+                }
+              }
+            }
+          }
+
+          if (key === 'post_logout_redirect_uris') {
+            for (const logoutUri of value as string[]) {
+              if (logoutUri.includes('*')) {
+                const { hostname, href } = new URL(logoutUri);
+
+                if (href.split('*').length !== 2) {
+                  throw new providerErrors.InvalidClientMetadata(
+                    'post_logout_redirect_uris with a wildcard may only contain a single one',
+                  );
+                }
+
+                if (!hostname.includes('*')) {
+                  throw new providerErrors.InvalidClientMetadata(
+                    'post_logout_redirect_uris may only have a wildcard in the hostname',
+                  );
+                }
+
+                const test = hostname.replace('*', 'test');
+
+                if (test === hostname) {
+                  throw new providerErrors.InvalidClientMetadata(
+                    'post_logout_redirect_uris with a wildcard must have a dot before it',
+                  );
+                }
+
+                const domain = hostname.split('*.')[1];
+                if (domain && !psl.get(domain)) {
+                  throw new providerErrors.InvalidClientMetadata(
+                    'post_logout_redirect_uris with a wildcard must not match an eTLD+1 of a known public suffix domain',
+                  );
+                }
+              }
+            }
+          }
+
+          if (
+            key === 'allowed_introspection_targets' &&
+            (metadata['allowed_introspection_targets'] === undefined ||
+              metadata['allowed_introspection_targets'] === null)
+          ) {
+            metadata['allowed_introspection_targets'] = [];
+          }
+        },
+      },
+      clientBasedCORS(ctx, origin, client) {
+        // ctx.oidc.route can be used to exclude endpoints from this behaviour, in that case just return
+        // true to always allow CORS on them, false to deny
+        // you may also allow some known internal origins if you want to
+        return (client['client_cors'] as string[]).includes(origin);
+      },
+      jwks: this.jwks,
+      cookies: {
+        keys: this.cookies,
+      },
+      // TODO: FUCKING IMPLEMENT THIS
+      findAccount: this.findAccount.bind(this),
+      ttl: {
+        AccessToken: ACCESS_TOKEN_LIFE,
+        RefreshToken: function RefreshTokenTTL(ctx, token, client) {
+          if (
+            ctx.oidc.entities.RotatedRefreshToken &&
+            client.applicationType === 'web' &&
+            client.tokenEndpointAuthMethod === 'none' &&
+            !token.isSenderConstrained()
+          ) {
+            // Non-Sender Constrained SPA RefreshTokens do not have infinite expiration through rotation
+            return ctx.oidc.entities.RotatedRefreshToken.remainingTTL;
+          }
+
+          return REFRESH_TOKEN_LIFE;
+        },
+        IdToken: ID_TOKEN_LIFE,
+        AuthorizationCode: AUTHORIZATION_TOKEN_LIFE,
+        Session: SESSION_LIFE,
+        DeviceCode: DEVICE_CODE_LIFE,
+        Grant: GRANT_LIFE,
+        Interaction: INTERACTION_LIFE,
+        PushedAuthorizationRequest: PUSHED_AUTH_REQ_LIFE,
+        ClientCredentials: CLIENT_CREDENTIALS_TOKEN_LIFE,
+      },
+      issueRefreshToken(ctx, client, code) {
+        if (!client.grantTypeAllowed('refresh_token')) {
+          return false;
+        }
+        return (
+          code.scopes.has('offline_access') ||
+          (client.applicationType === 'web' &&
+            client.tokenEndpointAuthMethod === 'none')
+        );
+      },
+      features: {
+        devInteractions: {
+          enabled: false,
+        },
+        introspection: {
+          enabled: true,
+          allowedPolicy(ctx, client, token) {
+            if (
+              client.clientAuthMethod === 'none' &&
+              token.clientId !== ctx.oidc.client?.clientId
+            ) {
+              return false;
+            }
+
+            if (token.clientId !== ctx.oidc.client?.clientId) {
+              return (
+                client['allowed_introspection_targets'] as string[]
+              ).includes(token.clientId!);
+            }
+            return true;
+          },
+        },
+        pushedAuthorizationRequests: {
+          enabled: true,
+        },
+        revocation: {
+          enabled: true,
+        },
+        clientCredentials: {
+          enabled: true,
+        },
+        resourceIndicators: {},
+      },
+      interactions: {
+        url: (ctx, interaction) => {
+          return `/interaction/${interaction.uid}`;
+        },
+      },
+      conformIdTokenClaims: false,
+      renderError(ctx, out, _error) {
+        let statusCode = 500;
+        let errorMessage = 'Internal Server Error';
+        // Look at the first error in the out object
+        // If the key is error and contains invalid_request throw a 400 otherwise throw a 500
+
+        if (
+          out.error === 'invalid_request' ||
+          out.error === 'invalid_client' ||
+          out.error === 'invalid_redirect_uri'
+        ) {
+          ctx.status = 400;
+          statusCode = 400;
+          errorMessage = out.error_description ?? 'Invalid Request';
+        }
+
+        const error = {
+          statusCode,
+          error: out.error,
+          error_description: errorMessage,
+        };
+
+        ctx.status = statusCode;
+        ctx.type = 'application/json';
+        ctx.body = JSON.stringify(error);
+      },
+      claims: {
+        openid: ['sub'],
+        profile: ['name', 'preferred_username', 'picture', 'displayName'],
+        email: ['email', 'email_verified'],
+        roles: ['roles', 'permissions'],
+      },
+      pkce: {
+        methods: ['S256'],
+        required(_ctx, _client) {
+          return false;
+        },
+      },
+    } as Configuration;
   }
 
-  private async loadKeys() {}
+  /// === SUPPORT FUNCTIONS === ///
+
+  /**
+   * Loads the OIDC jwks and cookies from the keys folder. Loads it into a variable for use in the OIDC provider
+   * @returns {Promise<void>} - Returns a promise that resolves when the keys are loaded
+   */
+  private async loadKeys(): Promise<void> {
+    const keysFolder = this.getKeysFolder();
+
+    try {
+      this.jwks = JSON.parse(
+        await fs.readFile(keysFolder + 'keys/jwks.json', 'utf8'),
+      );
+      this.cookies = JSON.parse(
+        await fs.readFile(keysFolder + 'keys/cookies.json', 'utf8'),
+      );
+
+      this.logger.debug(`Loaded oidc keys successfully`);
+    } catch (error) {
+      throw new Error(
+        `Failed to load keys, keys should be located ${keysFolder}keys`,
+      );
+    }
+  }
+
+  private getKeysFolder(): string {
+    if (process.env.NODE_ENV === 'production') {
+      return __dirname + '/../../../../';
+    }
+    return __dirname + '/../../../../';
+  }
 }

src/database/models/oidc_refresh_token.model.ts

@@ -0,0 +1,138 @@
+import type { AdapterPayload } from 'oidc-provider';
+import { Column, Entity, Index, PrimaryColumn } from 'typeorm';
+
+import {
+  convertFromNumberToTime,
+  convertFromTimeToNumber,
+} from '../../util/time.util';
+
+@Entity()
+export class OidcRefreshToken implements AdapterPayload {
+  @PrimaryColumn()
+  id: string;
+
+  @Column({
+    type: 'timestamp',
+    nullable: true,
+    transformer: {
+      from: (value: Date) => convertFromTimeToNumber(value),
+      to: (value: number) => convertFromNumberToTime(value),
+    },
+  })
+  iat?: number;
+
+  @Column({
+    type: 'timestamp',
+    nullable: true,
+    transformer: {
+      from: (value: Date) => convertFromTimeToNumber(value),
+      to: (value: number) => convertFromNumberToTime(value),
+    },
+  })
+  exp?: number;
+
+  @Index()
+  @Column({
+    nullable: true,
+    type: 'varchar',
+  })
+  accountId: string;
+
+  @Column({
+    type: 'timestamp',
+    nullable: true,
+    transformer: {
+      from: (value: Date) => convertFromTimeToNumber(value),
+      to: (value: number) => convertFromNumberToTime(value),
+    },
+  })
+  authTime?: number;
+
+  @Column({
+    default: false,
+    nullable: true,
+    type: 'boolean',
+  })
+  expiresWithSession?: boolean;
+
+  @Column({
+    type: 'timestamp',
+    nullable: true,
+    transformer: {
+      from: (value: Date) => convertFromTimeToNumber(value),
+      to: (value: number) => convertFromNumberToTime(value),
+    },
+  })
+  iiat?: number;
+
+  @Index()
+  @Column({
+    nullable: true,
+    type: 'varchar',
+  })
+  grantId?: string;
+
+  @Column({
+    nullable: true,
+    type: 'varchar',
+  })
+  gty?: string;
+
+  @Column({
+    nullable: true,
+    type: 'int',
+  })
+  rotations?: number;
+
+  @Column({
+    nullable: true,
+    type: 'varchar',
+  })
+  scope?: string;
+
+  @Index()
+  @Column({
+    nullable: true,
+    type: 'varchar',
+  })
+  sessionUid?: string;
+
+  @Index()
+  @Column({
+    nullable: true,
+    type: 'varchar',
+  })
+  clientId?: string;
+
+  @Column({
+    type: 'timestamp',
+    nullable: true,
+    transformer: {
+      from: (value: Date) => convertFromTimeToNumber(value),
+      to: (value: number) => convertFromNumberToTime(value),
+    },
+  })
+  consumed?: number;
+
+  generateResponse(): AdapterPayload {
+    return {
+      iat: this.iat,
+      exp: this.exp,
+      accountId: this.accountId,
+      authTime: this.authTime,
+      expiresWithSession: this.expiresWithSession,
+      iiat: this.iiat,
+      grantId: this.grantId,
+      gty: this.gty,
+      rotations: this.rotations,
+      scope: this.scope,
+      sessionUid: this.sessionUid,
+      kind: 'RefreshToken',
+      jti: this.id,
+      clientId: this.clientId,
+      consumed: this.consumed,
+    };
+  }
+
+  [key: string]: unknown;
+}

src/database/models/oidc_session.model.ts

@@ -0,0 +1,84 @@
+import type {
+  AdapterPayload,
+  ClientAuthorizationState,
+  UnknownObject,
+} from 'oidc-provider';
+import { Column, Entity, Index, PrimaryColumn } from 'typeorm';
+
+import {
+  convertFromNumberToTime,
+  convertFromTimeToNumber,
+} from '../../util/time.util';
+
+@Entity('oidc_session')
+export class OidcSession implements AdapterPayload {
+  @PrimaryColumn()
+  id: string;
+
+  @Index()
+  @PrimaryColumn()
+  uid: string;
+
+  @Column({
+    type: 'timestamp',
+    transformer: {
+      from: (value: Date) => convertFromTimeToNumber(value),
+      to: (value: number) => convertFromNumberToTime(value),
+    },
+  })
+  iat?: number;
+
+  @Column({
+    type: 'timestamp',
+    transformer: {
+      from: (value: Date) => convertFromTimeToNumber(value),
+      to: (value: number) => convertFromNumberToTime(value),
+    },
+  })
+  exp: number;
+
+  @Index()
+  @Column({
+    nullable: true,
+    type: 'varchar',
+  })
+  accountId: string;
+
+  @Column({
+    type: 'timestamp',
+    nullable: true,
+    transformer: {
+      from: (value: Date) => convertFromTimeToNumber(value),
+      to: (value: number) => convertFromNumberToTime(value),
+    },
+  })
+  loginTs?: number;
+
+  @Column({
+    type: 'json',
+    nullable: true,
+  })
+  authorizations?: Record<string, ClientAuthorizationState>;
+
+  @Column({
+    type: 'json',
+    nullable: true,
+  })
+  state?: Record<string, string>;
+
+  generateResponse(): AdapterPayload {
+    return {
+      iat: this.iat,
+      exp: this.exp,
+      uid: this.uid,
+      accountId: this.accountId,
+      loginTs: this.loginTs,
+      kind: 'Session',
+      jti: this.id,
+      authorizations: this.authorizations,
+      state: this.state as UnknownObject | undefined,
+    };
+  }
+
+  [key: string]: unknown;
+}