Start auth framework

src/auth/orm/ORMUserRepository.ts

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+import {Authenticatable, AuthenticatableIdentifier, AuthenticatableRepository} from '../types'
+import {Awaitable, Maybe} from '../../util'
+import {ORMUser} from './ORMUser'
+import {Singleton} from '../../di'
+
+/**
+ * A user repository implementation that looks up users stored in the database.
+ */
+@Singleton()
+export class ORMUserRepository extends AuthenticatableRepository {
+    /** Look up the user by their username. */
+    getByIdentifier(id: AuthenticatableIdentifier): Awaitable<Maybe<Authenticatable>> {
+        return ORMUser.query<ORMUser>()
+            .where('username', '=', id)
+            .first()
+    }
+
+    /**
+     * Try to look up a user by the credentials provided.
+     * If a securityIdentifier is specified, look up the user by username.
+     * If username/password are specified, look up the user and verify the password.
+     * @param credentials
+     */
+    async getByCredentials(credentials: Record<string, string>): Promise<Maybe<Authenticatable>> {
+        if ( credentials.securityIdentifier ) {
+            return ORMUser.query<ORMUser>()
+                .where('username', '=', credentials.securityIdentifier)
+                .first()
+        }
+
+        if ( credentials.username && credentials.password ) {
+            const user = await ORMUser.query<ORMUser>()
+                .where('username', '=', credentials.username)
+                .first()
+
+            if ( user && await user.verifyPassword(credentials.password) ) {
+                return user
+            }
+        }
+    }
+}