Files
userbase/app/src/auth/middlewares.ts
T

106 lines
3.3 KiB
TypeScript

import type { Permission } from "core";
import { patternMatch } from "core/utils";
import type { Context } from "hono";
import { createMiddleware } from "hono/factory";
import type { ServerEnv } from "modules/Module";
function getPath(reqOrCtx: Request | Context) {
const req = reqOrCtx instanceof Request ? reqOrCtx : reqOrCtx.req.raw;
return new URL(req.url).pathname;
}
export function shouldSkip(c: Context<ServerEnv>, skip?: (string | RegExp)[]) {
if (c.get("auth_skip")) return true;
const req = c.req.raw;
if (!skip) return false;
const path = getPath(req);
const result = skip.some((s) => patternMatch(path, s));
c.set("auth_skip", result);
return result;
}
export const auth = (options?: {
skip?: (string | RegExp)[];
}) =>
createMiddleware<ServerEnv>(async (c, next) => {
// make sure to only register once
if (c.get("auth_registered")) {
throw new Error(`auth middleware already registered for ${getPath(c)}`);
}
c.set("auth_registered", true);
const app = c.get("app");
const skipped = shouldSkip(c, options?.skip) || !app.module.auth.enabled;
const guard = app.modules.ctx().guard;
const authenticator = app.module.auth.authenticator;
if (!skipped) {
const resolved = c.get("auth_resolved");
if (!resolved) {
if (!app.module.auth.enabled) {
guard.setUserContext(undefined);
} else {
guard.setUserContext(await authenticator.resolveAuthFromRequest(c));
c.set("auth_resolved", true);
}
}
}
await next();
if (!skipped) {
// renew cookie if applicable
authenticator.requestCookieRefresh(c);
}
// release
guard.setUserContext(undefined);
authenticator?.resetUser();
c.set("auth_resolved", false);
});
export const permission = (
permission: Permission | Permission[],
options?: {
onGranted?: (c: Context<ServerEnv>) => Promise<Response | void | undefined>;
onDenied?: (c: Context<ServerEnv>) => Promise<Response | void | undefined>;
}
) =>
// @ts-ignore
createMiddleware<ServerEnv>(async (c, next) => {
const app = c.get("app");
//console.log("skip?", c.get("auth_skip"));
// in tests, app is not defined
if (!c.get("auth_registered")) {
const msg = `auth middleware not registered, cannot check permissions for ${getPath(c)}`;
if (app?.module.auth.enabled) {
throw new Error(msg);
} else {
console.warn(msg);
}
} else if (!c.get("auth_skip")) {
const guard = app.modules.ctx().guard;
const permissions = Array.isArray(permission) ? permission : [permission];
if (options?.onGranted || options?.onDenied) {
let returned: undefined | void | Response;
if (permissions.every((p) => guard.granted(p))) {
returned = await options?.onGranted?.(c);
} else {
returned = await options?.onDenied?.(c);
}
if (returned instanceof Response) {
return returned;
}
} else {
permissions.some((p) => guard.throwUnlessGranted(p));
}
}
await next();
});