[PM-3726] Force migration of legacy user's encryption key (#6195)

* [PM-3726] migrate legacy user's encryption key

* [PM-3726] add 2fa support and pr feedback

* [PM-3726] revert launch.json & webpack.config changes

* [PM-3726] remove update key component
- also remove card in vault since legacy users can't login

* [PM-3726] Fix i18n & PR feedback

* [PM-3726] make standalone component

* [PM-3726] linter

* [PM-3726] missing await

* [PM-3726] logout legacy users with vault timeout to never

* [PM-3726] add await

* [PM-3726] skip auto key migration for legacy users

* [PM-3726] pr feedback

* [PM-3726] move check for web into migrate method

---------

Co-authored-by: Jared Snider <116684653+JaredSnider-Bitwarden@users.noreply.github.com>

libs/angular/src/auth/components/login.component.ts

@@ -141,6 +141,8 @@ export class LoginComponent extends CaptchaProtectedComponent implements OnInit
       await this.loginService.saveEmailSettings();
       if (this.handleCaptchaRequired(response)) {
         return;
+      } else if (this.handleMigrateEncryptionKey(response)) {
+        return;
       } else if (response.requiresTwoFactor) {
         if (this.onSuccessfulLoginTwoFactorNavigate != null) {
           this.onSuccessfulLoginTwoFactorNavigate();
@@ -272,6 +274,21 @@ export class LoginComponent extends CaptchaProtectedComponent implements OnInit
     await this.loginService.saveEmailSettings();
   }
 
+  // Legacy accounts used the master key to encrypt data. Migration is required
+  // but only performed on web
+  protected handleMigrateEncryptionKey(result: AuthResult): boolean {
+    if (!result.requiresEncryptionKeyMigration) {
+      return false;
+    }
+
+    this.platformUtilsService.showToast(
+      "error",
+      this.i18nService.t("errorOccured"),
+      this.i18nService.t("encryptionKeyMigrationRequired")
+    );
+    return true;
+  }
+
   private getErrorToastMessage() {
     const error: AllValidationErrors = this.formValidationErrorService
       .getFormValidationErrors(this.formGroup.controls)