refactor(HomeController): add SetLanguage and GetLanguages endpoints

EnvelopeGenerator.Web/Controllers/HomeController.cs

@@ -499,37 +499,6 @@ public class HomeController : ViewControllerBase
         }
     }
 
-    [Authorize(Roles = ReceiverRole.FullyAuth)]
-    [HttpGet("/IsAuthenticated")]
-    public IActionResult IsAuthenticated()
-    {
-        var envelopeUuid = User.FindFirst(ClaimTypes.NameIdentifier)?.Value;
-        var receiverSignature = User.FindFirst(ClaimTypes.Hash)?.Value;
-        return Ok(new { EnvelopeUuid = envelopeUuid, ReceiverSignature = receiverSignature });
-    }
-
-    [HttpPost("/lang/{culture}")]
-    public IActionResult SetLanguage([FromRoute] string culture)
-    {
-        try
-        {
-            if (!_cultures.Languages.Contains(culture))
-                return BadRequest();
-
-            Response.Cookies.SetCulture(culture);
-
-            return Redirect(Request.Headers["Referer"].ToString());
-        }
-        catch(Exception ex)
-        {
-            _logger.LogError(ex, "{Message}", ex.Message);
-            return StatusCode(statusCode: StatusCodes.Status500InternalServerError);
-        }
-    }
-
-    [HttpGet("/lang")]
-    public IActionResult GetLanguages() => Ok(_cultures.Languages);
-
     [HttpGet("Error404")]
     public IActionResult Error404() => this.ViewError404();
 }