[EC-598] feat: half-implemented params mapping

apps/browser/src/browser/webauthn-utils.ts

@@ -0,0 +1,47 @@
+import { Fido2Utils } from "@bitwarden/common/abstractions/fido2/fido2-utils";
+import { CredentialRegistrationParams } from "@bitwarden/common/abstractions/fido2/fido2.service.abstraction";
+
+export class WebauthnUtils {
+  static mapCredentialCreationOptions(
+    options: CredentialCreationOptions,
+    origin: string
+  ): CredentialRegistrationParams {
+    const keyOptions = options.publicKey;
+
+    if (keyOptions == undefined) {
+      throw new Error("Public-key options not found");
+    }
+
+    return {
+      origin,
+      attestation: keyOptions.attestation,
+      authenticatorSelection: {
+        requireResidentKey: keyOptions.authenticatorSelection?.requireResidentKey,
+        residentKey: keyOptions.authenticatorSelection?.residentKey,
+        userVerification: keyOptions.authenticatorSelection?.userVerification,
+      },
+      challenge: Fido2Utils.bufferToString(keyOptions.challenge),
+      excludeCredentials: keyOptions.excludeCredentials?.map((credential) => ({
+        id: Fido2Utils.bufferToString(credential.id),
+        transports: credential.transports,
+      })),
+      extensions: {
+        appid: keyOptions.extensions?.appid,
+        appidExclude: keyOptions.extensions?.appidExclude,
+        credProps: keyOptions.extensions?.credProps,
+        uvm: keyOptions.extensions?.uvm,
+      },
+      pubKeyCredParams: keyOptions.pubKeyCredParams.map((params) => ({
+        alg: params.alg,
+      })),
+      rp: {
+        id: keyOptions.rp.id,
+        name: keyOptions.rp.name,
+      },
+      user: {
+        id: Fido2Utils.bufferToString(keyOptions.user.id),
+        displayName: keyOptions.user.displayName,
+      },
+    };
+  }
+}

apps/browser/src/content/webauthn/page-script.ts

@@ -1,3 +1,5 @@
+import { WebauthnUtils } from "../../browser/webauthn-utils";
+
 import { MessageType } from "./messaging/message";
 import { Messenger } from "./messaging/messenger";
 
@@ -14,11 +16,7 @@ const messenger = Messenger.forDOMCommunication(window);
 navigator.credentials.create = async (options?: CredentialCreationOptions): Promise<Credential> => {
   await messenger.request({
     type: MessageType.CredentialCreationRequest,
-    data: {
-      rp: {
-        id: options.publicKey.rp.id,
-      },
-    },
+    data: WebauthnUtils.mapCredentialCreationOptions(options, window.location.origin),
   });
 
   return await browserCredentials.create(options);