From 5560b6daf674d9a29f843acf9d5ff6dac83ba673 Mon Sep 17 00:00:00 2001
From: Alf Drollinger <alf@drollinger.info>
Date: Wed, 1 May 2024 23:37:46 +0200
Subject: [PATCH] Passkey JS

---
 packages/passkey/public/js/passkey.js | 82 +++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 packages/passkey/public/js/passkey.js

diff --git a/packages/passkey/public/js/passkey.js b/packages/passkey/public/js/passkey.js
new file mode 100644
index 000000000..79a2b883e
--- /dev/null
+++ b/packages/passkey/public/js/passkey.js
@@ -0,0 +1,82 @@
+import {
+    startAuthentication,
+    startRegistration,
+    browserSupportsWebAuthn,
+} from "@simplewebauthn/browser";
+import "./bootstrap";
+
+document.addEventListener("alpine:init", () => {
+    Alpine.data("authForm", () => ({
+        mode: "login",
+        username: "",
+        browserSupported: browserSupportsWebAuthn(),
+        error: null,
+        submit() {
+            this.error = null;
+
+            if (this.mode === "login") {
+                return this.submitLogin();
+            }
+
+            return this.submitRegister();
+        },
+        submitRegister() {
+            window.axios
+                // Ask for the registration options
+                .post("/registration/options", {
+                    username: this.username,
+                })
+                // Prompt the user to create a passkey
+                .then((response) => startRegistration(response.data))
+                // Verify the data with the server
+                .then((attResp) => axios.post("/registration/verify", attResp))
+                .then((verificationResponse) => {
+                    if (verificationResponse.data?.verified) {
+                        // If we're good, reload the page and
+                        // the server will redirect us to the dashboard
+                        return window.location.reload();
+                    }
+
+                    this.error =
+                        "Something went wrong verifying the registration.";
+                })
+                .catch((error) => {
+                    this.error = error?.response?.data?.message || error;
+                });
+        },
+        submitLogin() {
+            window.axios
+                // Ask for the authentication options
+                .post("/authentication/options", {
+                    username: this.username,
+                })
+                // Prompt the user to authenticate with their passkey
+                .then((response) => startAuthentication(response.data))
+                // Verify the data with the server
+                .then((attResp) =>
+                    axios.post("/authentication/verify", attResp)
+                )
+                .then((verificationResponse) => {
+                    // If we're good, reload the page and
+                    // the server will redirect us to the dashboard
+                    if (verificationResponse.data?.verified) {
+                        return window.location.reload();
+                    }
+
+                    this.error =
+                        "Something went wrong verifying the authentication.";
+                })
+                .catch((error) => {
+                    const errorMessage =
+                        error?.response?.data?.message || error;
+
+                    if (errorMessage === "User not found") {
+                        this.mode = "confirmRegistration";
+                        return;
+                    }
+
+                    this.error = error?.response?.data?.message || error;
+                });
+        },
+    }));
+});