fix(import): preserve SHA algorithms from otpauth URIs

src/import.ts

@@ -6,6 +6,7 @@ import { loadI18nMessages } from "./store/i18n";
 import { Encryption } from "./models/encryption";
 import { EntryStorage } from "./models/storage";
 import { getOTPAuthPerLineFromOPTAuthMigration } from "./models/migration";
+import { OTPAlgorithm } from "./models/otp";
 import * as CryptoJS from "crypto-js";
 
 async function init() {
@@ -311,7 +312,12 @@ export async function getEntryDataFromOTPAuthPerLine(importCode: string) {
           exportData[hash].digits = digits;
         }
         if (algorithm) {
-          exportData[hash].algorithm = algorithm;
+          const algorithmValue =
+            OTPAlgorithm[algorithm.toUpperCase() as keyof typeof OTPAlgorithm];
+          exportData[hash].algorithm =
+            typeof algorithmValue === "number"
+              ? String(algorithmValue)
+              : algorithm;
         }
 
         succeededCount++;

src/test/import.test.ts

@@ -0,0 +1,19 @@
+import "mocha";
+import { expect } from "chai";
+import { getEntryDataFromOTPAuthPerLine } from "../import";
+import { OTPAlgorithm } from "../models/otp";
+
+mocha.setup("bdd");
+
+describe("OTPAuth URI imports", () => {
+  for (const algorithm of ["SHA256", "SHA512"] as const) {
+    it(`preserves the ${algorithm} algorithm`, async () => {
+      const result = await getEntryDataFromOTPAuthPerLine(
+        `otpauth://totp/alice?secret=JBSWY3DPEHPK3PXP&algorithm=${algorithm}`
+      );
+      const entry = Object.values(result.exportData)[0];
+
+      expect(entry.algorithm).to.equal(String(OTPAlgorithm[algorithm]));
+    });
+  }
+});