introduced auth strategy actions to allow user creation in UI

app/src/auth/authenticate/Authenticator.ts

@@ -1,6 +1,14 @@
-import { Exception } from "core";
+import { type DB, Exception } from "core";
 import { addFlashMessage } from "core/server/flash";
-import { type Static, StringEnum, Type, parse, runtimeSupports, transformObject } from "core/utils";
+import {
+   type Static,
+   StringEnum,
+   type TObject,
+   Type,
+   parse,
+   runtimeSupports,
+   transformObject
+} from "core/utils";
 import type { Context, Hono } from "hono";
 import { deleteCookie, getSignedCookie, setSignedCookie } from "hono/cookie";
 import { sign, verify } from "hono/jwt";
@@ -10,6 +18,14 @@ import type { ServerEnv } from "modules/Module";
 type Input = any; // workaround
 export type JWTPayload = Parameters<typeof sign>[0];
 
+export const strategyActions = ["create", "change"] as const;
+export type StrategyActionName = (typeof strategyActions)[number];
+export type StrategyAction<S extends TObject = TObject> = {
+   schema: S;
+   preprocess: (input: unknown) => Promise<Omit<DB["users"], "id" | "strategy">>;
+};
+export type StrategyActions = Partial<Record<StrategyActionName, StrategyAction>>;
+
 // @todo: add schema to interface to ensure proper inference
 export interface Strategy {
    getController: (auth: Authenticator) => Hono<any>;
@@ -17,6 +33,7 @@ export interface Strategy {
    getMode: () => "form" | "external";
    getName: () => string;
    toJSON: (secrets?: boolean) => any;
+   getActions?: () => StrategyActions;
 }
 
 export type User = {
@@ -274,6 +291,14 @@ export class Authenticator<Strategies extends Record<string, Strategy> = Record<
       return c.req.header("Content-Type") === "application/json";
    }
 
+   async getBody(c: Context) {
+      if (this.isJsonRequest(c)) {
+         return await c.req.json();
+      } else {
+         return Object.fromEntries((await c.req.formData()).entries());
+      }
+   }
+
    private getSuccessPath(c: Context) {
       const p = (this.config.cookie.pathSuccess ?? "/").replace(/\/+$/, "/");
 
@@ -338,3 +363,13 @@ export class Authenticator<Strategies extends Record<string, Strategy> = Record<
       };
    }
 }
+
+export function createStrategyAction<S extends TObject>(
+   schema: S,
+   preprocess: (input: Static<S>) => Promise<Partial<DB["users"]>>
+) {
+   return {
+      schema,
+      preprocess
+   } as StrategyAction<S>;
+}

app/src/auth/authenticate/strategies/PasswordStrategy.ts

@@ -2,6 +2,7 @@ import type { Authenticator, Strategy } from "auth";
 import { type Static, StringEnum, Type, parse } from "core/utils";
 import { hash } from "core/utils";
 import { type Context, Hono } from "hono";
+import { type StrategyAction, type StrategyActions, createStrategyAction } from "../Authenticator";
 
 type LoginSchema = { username: string; password: string } | { email: string; password: string };
 type RegisterSchema = { email: string; password: string; [key: string]: any };
@@ -54,17 +55,9 @@ export class PasswordStrategy implements Strategy {
    getController(authenticator: Authenticator): Hono<any> {
       const hono = new Hono();
 
-      async function getBody(c: Context) {
-         if (authenticator.isJsonRequest(c)) {
-            return await c.req.json();
-         } else {
-            return Object.fromEntries((await c.req.formData()).entries());
-         }
-      }
-
       return hono
          .post("/login", async (c) => {
-            const body = await getBody(c);
+            const body = await authenticator.getBody(c);
 
             try {
                const payload = await this.login(body);
@@ -76,7 +69,7 @@ export class PasswordStrategy implements Strategy {
             }
          })
          .post("/register", async (c) => {
-            const body = await getBody(c);
+            const body = await authenticator.getBody(c);
 
             const payload = await this.register(body);
             const data = await authenticator.resolve("register", this, payload.password, payload);
@@ -85,6 +78,27 @@ export class PasswordStrategy implements Strategy {
          });
    }
 
+   getActions(): StrategyActions {
+      return {
+         create: createStrategyAction(
+            Type.Object({
+               email: Type.String({
+                  pattern: "^[\\w-\\.]+@([\\w-]+\\.)+[\\w-]{2,4}$"
+               }),
+               password: Type.String({
+                  minLength: 8 // @todo: this should be configurable
+               })
+            }),
+            async ({ password, ...input }) => {
+               return {
+                  ...input,
+                  strategy_value: await this.hash(password)
+               };
+            }
+         )
+      };
+   }
+
    getSchema() {
       return schema;
    }