webauthn: update login flow to support other 2fa methods

resources/scripts/api/account/webauthn/deleteKey.ts

@@ -0,0 +1,9 @@
+import http from '@/api/http';
+
+export default (id: number): Promise<void> => {
+    return new Promise((resolve, reject) => {
+        http.delete(`/api/client/account/webauthn/${id}`)
+            .then(() => resolve())
+            .catch(reject);
+    });
+};

resources/scripts/api/account/webauthn/getWebauthn.ts

@@ -0,0 +1,23 @@
+import http from '@/api/http';
+
+export interface Key {
+    id: number;
+    name: string;
+    createdAt: Date;
+    lastUsedAt: Date;
+}
+
+export const rawDataToKey = (data: any): Key => ({
+    id: data.id,
+    name: data.name,
+    createdAt: new Date(data.created_at),
+    lastUsedAt: new Date(data.last_used_at) || new Date(),
+});
+
+export default (): Promise<Key[]> => {
+    return new Promise((resolve, reject) => {
+        http.get('/api/client/account/webauthn')
+            .then(({ data }) => resolve((data.data || []).map((d: any) => rawDataToKey(d.attributes))))
+            .catch(reject);
+    });
+};

resources/scripts/api/account/webauthn/login.ts

@@ -0,0 +1,51 @@
+import http from '@/api/http';
+import { LoginResponse } from '@/api/auth/login';
+import { base64Decode, bufferDecode, bufferEncode, decodeCredentials } from '@/api/account/webauthn/registerKey';
+
+export default (token: string, publicKey: PublicKeyCredentialRequestOptions): Promise<LoginResponse> => {
+    return new Promise((resolve, reject) => {
+        console.log(token);
+        console.log(publicKey);
+        const publicKeyCredential = Object.assign({}, publicKey);
+
+        publicKeyCredential.challenge = bufferDecode(base64Decode(publicKey.challenge.toString()));
+        if (publicKey.allowCredentials) {
+            publicKeyCredential.allowCredentials = decodeCredentials(publicKey.allowCredentials);
+        }
+
+        navigator.credentials.get({
+            publicKey: publicKeyCredential,
+        }).then((c) => {
+            if (c === null) {
+                return;
+            }
+            const credential = c as PublicKeyCredential;
+            const response = credential.response as AuthenticatorAssertionResponse;
+
+            const data = {
+                confirmation_token: token,
+
+                data: JSON.stringify({
+                    id: credential.id,
+                    type: credential.type,
+                    rawId: bufferEncode(credential.rawId),
+
+                    response: {
+                        authenticatorData: bufferEncode(response.authenticatorData),
+                        clientDataJSON: bufferEncode(response.clientDataJSON),
+                        signature: bufferEncode(response.signature),
+                        userHandle: response.userHandle ? bufferEncode(response.userHandle) : null,
+                    },
+                }),
+            };
+            console.log(data);
+
+            http.post('/auth/login/checkpoint/key', data).then(response => {
+                return resolve({
+                    complete: response.data.complete,
+                    intended: response.data.data?.intended || undefined,
+                });
+            }).catch(reject);
+        }).catch(reject);
+    });
+};

resources/scripts/api/account/webauthn/registerKey.ts

@@ -0,0 +1,73 @@
+import http from '@/api/http';
+import { Key, rawDataToKey } from '@/api/account/webauthn/getWebauthn';
+
+export const base64Decode = (input: string): string => {
+    input = input.replace(/-/g, '+').replace(/_/g, '/');
+    const pad = input.length % 4;
+    if (pad) {
+        if (pad === 1) {
+            throw new Error('InvalidLengthError: Input base64url string is the wrong length to determine padding');
+        }
+        input += new Array(5 - pad).join('=');
+    }
+    return input;
+};
+
+export const bufferDecode = (value: string): ArrayBuffer => {
+    return Uint8Array.from(window.atob(value), c => c.charCodeAt(0));
+};
+
+export const bufferEncode = (value: ArrayBuffer): string => {
+    // @ts-ignore
+    return window.btoa(String.fromCharCode.apply(null, new Uint8Array(value)));
+};
+
+export const decodeCredentials = (credentials: PublicKeyCredentialDescriptor[]) => {
+    return credentials.map(c => {
+        return {
+            id: bufferDecode(base64Decode(c.id.toString())),
+            type: c.type,
+            transports: c.transports,
+        };
+    });
+};
+
+export default (name: string): Promise<Key> => {
+    return new Promise((resolve, reject) => {
+        http.get('/api/client/account/webauthn/register').then((res) => {
+            const publicKey = res.data.public_key;
+            const publicKeyCredential = Object.assign({}, publicKey);
+
+            publicKeyCredential.user.id = bufferDecode(publicKey.user.id);
+            publicKeyCredential.challenge = bufferDecode(base64Decode(publicKey.challenge));
+            if (publicKey.excludeCredentials) {
+                publicKeyCredential.excludeCredentials = decodeCredentials(publicKey.excludeCredentials);
+            }
+
+            return navigator.credentials.create({
+                publicKey: publicKeyCredential,
+            });
+        }).then((c) => {
+            if (c === null) {
+                return;
+            }
+            const credential = c as PublicKeyCredential;
+            const response = credential.response as AuthenticatorAttestationResponse;
+
+            http.post('/api/client/account/webauthn/register', {
+                name: name,
+
+                register: JSON.stringify({
+                    id: credential.id,
+                    type: credential.type,
+                    rawId: bufferEncode(credential.rawId),
+
+                    response: {
+                        attestationObject: bufferEncode(response.attestationObject),
+                        clientDataJSON: bufferEncode(response.clientDataJSON),
+                    },
+                }),
+            }).then(({ data }) => resolve(rawDataToKey(data.attributes))).catch(reject);
+        }).catch(reject);
+    });
+};