Added GetIndex method

src/FlareSolverrSharp/Solvers/FlareSolverr.cs

@@ -14,6 +14,7 @@ public class FlareSolverr
     {
         private static readonly SemaphoreLocker Locker = new SemaphoreLocker();
         private HttpClient _httpClient;
+        private readonly Uri _flareSolverrIndexUri;
         private readonly Uri _flareSolverrUri;
 
         public int MaxTimeout = 60000;
@@ -26,6 +27,8 @@ public FlareSolverr(string flareSolverrApiUrl)
             var apiUrl = flareSolverrApiUrl;
             if (!apiUrl.EndsWith("/"))
                 apiUrl += "/";
+
+            _flareSolverrIndexUri = new Uri(apiUrl);
             _flareSolverrUri = new Uri(apiUrl + "v1");
         }
 
@@ -68,19 +71,68 @@ public async Task<FlareSolverrResponse> DestroySession(string sessionId)
             return await SendFlareSolverrRequest(GetSolverRequestContent(req));
         }
 
+        public Task<FlareSolverrIndexResponse> GetIndex()
+        {
+            return SendFlareSolverrRequestInternal<FlareSolverrIndexResponse>(null);
+        }
+
         private async Task<FlareSolverrResponse> SendFlareSolverrRequest(HttpContent flareSolverrRequest)
         {
-            FlareSolverrResponse result = null;
+            FlareSolverrResponse result = await SendFlareSolverrRequestInternal<FlareSolverrResponse>(flareSolverrRequest);
+
+            try
+            {
+                Enum.TryParse(result.Status, true, out FlareSolverrStatusCode returnStatusCode);
+
+                if (returnStatusCode.Equals(FlareSolverrStatusCode.ok))
+                {
+                    return result;
+                }
+
+                if (returnStatusCode.Equals(FlareSolverrStatusCode.warning))
+                {
+                    throw new FlareSolverrException(
+                        "FlareSolverr was able to process the request, but a captcha was detected. Message: "
+                        + result.Message);
+                }
+
+                if (returnStatusCode.Equals(FlareSolverrStatusCode.error))
+                {
+                    throw new FlareSolverrException(
+                        "FlareSolverr was unable to process the request, please check FlareSolverr logs. Message: "
+                        + result.Message);
+                }
+
+                throw new FlareSolverrException("Unable to map FlareSolverr returned status code, received code: "
+                    + result.Status + ". Message: " + result.Message);
+            }
+            catch (ArgumentException)
+            {
+                throw new FlareSolverrException("Error parsing status code, check FlareSolverr log. Status: "
+                        + result.Status + ". Message: " + result.Message);
+            }
+        }
+
+        private async Task<T> SendFlareSolverrRequestInternal<T>(HttpContent flareSolverrRequest)
+        {
+            T result = default;
 
             await Locker.LockAsync(async () =>
             {
                 HttpResponseMessage response;
                 try
                 {
                     _httpClient = new HttpClient();
-                    // wait 5 more seconds to make sure we return the FlareSolverr timeout message
-                    _httpClient.Timeout = TimeSpan.FromMilliseconds(MaxTimeout + 5000);
-                    response = await _httpClient.PostAsync(_flareSolverrUri, flareSolverrRequest);
+                    if (flareSolverrRequest == null)
+                    {
+                        response = await _httpClient.GetAsync(_flareSolverrIndexUri);
+                    }
+                    else
+                    {
+                        // wait 5 more seconds to make sure we return the FlareSolverr timeout message
+                        _httpClient.Timeout = TimeSpan.FromMilliseconds(MaxTimeout + 5000);
+                        response = await _httpClient.PostAsync(_flareSolverrUri, flareSolverrRequest);
+                    }
                 }
                 catch (HttpRequestException e)
                 {
@@ -104,44 +156,12 @@ await Locker.LockAsync(async () =>
                 var resContent = await response.Content.ReadAsStringAsync();
                 try
                 {
-                    result = JsonConvert.DeserializeObject<FlareSolverrResponse>(resContent);
+                    result = JsonConvert.DeserializeObject<T>(resContent);
                 }
                 catch (Exception)
                 {
                     throw new FlareSolverrException("Error parsing response, check FlareSolverr. Response: " + resContent);
                 }
-
-                try
-                {
-                    Enum.TryParse(result.Status, true, out FlareSolverrStatusCode returnStatusCode);
-
-                    if (returnStatusCode.Equals(FlareSolverrStatusCode.ok))
-                    {
-                        return result;
-                    }
-
-                    if (returnStatusCode.Equals(FlareSolverrStatusCode.warning))
-                    {
-                        throw new FlareSolverrException(
-                            "FlareSolverr was able to process the request, but a captcha was detected. Message: "
-                            + result.Message);
-                    }
-
-                    if (returnStatusCode.Equals(FlareSolverrStatusCode.error))
-                    {
-                        throw new FlareSolverrException(
-                            "FlareSolverr was unable to process the request, please check FlareSolverr logs. Message: "
-                            + result.Message);
-                    }
-
-                    throw new FlareSolverrException("Unable to map FlareSolverr returned status code, received code: "
-                        + result.Status + ". Message: " + result.Message);
-                }
-                catch (ArgumentException)
-                {
-                    throw new FlareSolverrException("Error parsing status code, check FlareSolverr log. Status: "
-                            + result.Status + ". Message: " + result.Message);
-                }
             });
 
             return result;
@@ -233,6 +253,5 @@ private HttpContent GenerateFlareSolverrRequest(HttpRequestMessage request, stri
 
             return GetSolverRequestContent(req);
         }
-
     }
 }

src/FlareSolverrSharp/Types/FlareSolverrIndexResponse.cs

@@ -0,0 +1,12 @@
+using Newtonsoft.Json;
+
+namespace FlareSolverrSharp.Types
+{
+    public class FlareSolverrIndexResponse
+    {
+        [JsonProperty("msg")]
+        public string Message;
+        public string Version;
+        public string UserAgent;
+    }
+}