908 account recovery ability to add contacts to trusted contacts list for account recovery

Closes dashboard#908

javascript/src/iframe/viamapi-iframe.js

@@ -40,6 +40,11 @@ import {
   STATUS_USER_BLOCKED
 } from "../constants/statuses";
 import generateQrCode from "../utilities/generateQrCode";
+import {
+  generateRecoveryKey,
+  divideSecretToShares,
+  combineSecret
+} from "../utilities/secrets";
 
 const penpalMethods = require("../../temp/penpal-methods").default;
 const WopiAPI = require("./wopiapi-iframe");
@@ -717,10 +722,7 @@ const connection = Penpal.connectToParent({
         });
       });
     },
-    finalizeEmployeeRegistration: async (
-      identity,
-      identifier
-    ) => {
+    finalizeEmployeeRegistration: async (identity, identifier) => {
       viamApi.setIdentity(identity.authentication.publicKey);
       return executeRestfulFunction(
         "public",
@@ -970,6 +972,47 @@ const connection = Penpal.connectToParent({
         });
       });
     },
+    contactsGetTrusteeContactsPublicKeys: async () => {
+      try {
+        console.log("getting public keys");
+        const response = await executeRestfulFunction(
+          "private",
+          window.viamApi,
+          window.viamApi.contactsGetTrusteeContactsPublicKeys,
+          null
+        );
+        console.log({ response });
+        if (response.code !== "200") return response;
+
+        const responseData = response.data;
+        console.log({ responseData });
+        const contactsPublicKeys = Object.values(responseData).flat();
+        console.log({ contactsPublicKeys });
+        const sharesNumber = contactsPublicKeys.length;
+        const getThreshold = () =>
+          sharesNumber === 3 ? 2 : parseInt(sharesNumber / 2);
+        const threshold = getThreshold();
+        console.log({ threshold });
+        const recoveryKey = generateRecoveryKey(512);
+        console.log({ recoveryKey });
+        const recoveryKeyShares = divideSecretToShares(
+          recoveryKey,
+          sharesNumber,
+          threshold
+        );
+        // Sanity check
+        const checkKey = combineSecret(recoveryKeyShares.slice(0, 1));
+        console.log("first sanity check", checkKey === recoveryKey);
+
+        return response;
+      } catch (error) {
+        return {
+          data: "",
+          code: "400",
+          status: error.message
+        };
+      }
+    },
     parseSMIME,
     getCurrentlyLoggedInUUID() {
       return new Penpal.Promise(result => {