feat: Simplify and merge OIDC configurations

src/identity/interaction/InteractionPolicy.ts

@@ -1,9 +0,0 @@
-import type { CanBePromise, interactionPolicy, KoaContextWithOIDC } from 'oidc-provider';
-
-/**
- * Config options to communicate exactly how to handle requests.
- */
-export interface InteractionPolicy {
-  policy: interactionPolicy.Prompt[];
-  url: (ctx: KoaContextWithOIDC) => CanBePromise<string>;
-}

src/identity/interaction/email-password/AccountInteractionPolicy.ts

@@ -1,33 +0,0 @@
-import type { KoaContextWithOIDC } from 'oidc-provider';
-import { interactionPolicy } from 'oidc-provider';
-import { ensureTrailingSlash } from '../../../util/PathUtil';
-import type {
-  InteractionPolicy,
-} from '../InteractionPolicy';
-
-/**
- * Interaction policy that redirects to `idpPath`.
- * Uses the `select_account` interaction policy.
- */
-export class AccountInteractionPolicy implements InteractionPolicy {
-  public readonly policy: interactionPolicy.Prompt[];
-  public readonly url: (ctx: KoaContextWithOIDC) => string;
-
-  public constructor(idpPath: string) {
-    if (!idpPath.startsWith('/')) {
-      throw new Error('idpPath needs to start with a /');
-    }
-    const interactions = interactionPolicy.base();
-    const selectAccount = new interactionPolicy.Prompt({
-      name: 'select_account',
-      requestable: true,
-    });
-    interactions.add(selectAccount, 0);
-    this.policy = interactions;
-
-    // When oidc-provider cannot fulfill the authorization request for any of the possible reasons
-    // (missing user session, requested ACR not fulfilled, prompt requested, ...)
-    // it will resolve the interactions.url helper function and redirect the User-Agent to that url.
-    this.url = (): string => ensureTrailingSlash(idpPath);
-  }
-}