Add proxy specific handler

Author: frederikprijck

src/server/auth-client.ts

@@ -413,6 +413,42 @@ export class AuthClient {
     }
   }
 
+    /**
+   * Proxy handler that routes to the appropriate proxy handler method
+   * @param nextRequest The incoming NextRequest instance.
+   * @returns A Promise that resolves to a NextResponse or undefined.
+   */
+  async proxyHandler(
+    nextRequest: NextRequest,
+  ): Promise<NextResponse | void> {
+    // Convert the incomming request to Auth0Request
+    const auth0Req = new Auth0NextRequest(nextRequest as NextRequest);
+    // Convert the incoming response to Auth0Response
+    const auth0Res = new Auth0NextResponse(new NextResponse());
+
+    let { pathname } = auth0Req.getUrl();
+
+    // Next.js does NOT automatically strip basePath from pathname in middleware.
+    // We must manually strip it to match against our route configurations.
+    // Example: With basePath='/app', a request to '/app/auth/login' will have
+    // pathname='/app/auth/login', but routes are configured as '/auth/login'.
+    const basePath =
+      "nextUrl" in nextRequest ? nextRequest.nextUrl.basePath : "";
+    if (basePath && pathname.startsWith(basePath)) {
+      pathname = pathname.slice(basePath.length) || "/";
+    }
+
+    const sanitizedPathname = removeTrailingSlash(pathname);
+
+    if (sanitizedPathname.startsWith("/me/")) {
+      return this.#unwrapHandler(() =>
+        this.handleMyAccount(auth0Req, auth0Res)
+      );
+    } else if (sanitizedPathname.startsWith("/my-org/")) {
+      return this.#unwrapHandler(() => this.handleMyOrg(auth0Req, auth0Res));
+    }
+  }
+
   /**
    * Request handler that routes to the appropriate auth handler method
    * @param nextRequest The incoming NextRequest instance.

src/server/client.ts

@@ -580,6 +580,15 @@ export class Auth0Client {
     }
   }
 
+  /**
+   * Mounts the SDK proxy routes to run as a proxy function.
+   */
+  async proxy(req: NextRequest) {
+    return await this.authClient.proxyHandler(
+      toNextRequest(req as NextRequest | Request)
+    );
+  }
+
   /**
    * getSession returns the session data for the current request.
    *