Controllers/AuthController.cs

@@ -3,7 +3,8 @@ using Microsoft.EntityFrameworkCore;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
-
+using System.Net.Http;
+using Newtonsoft.Json.Linq;
 
 namespace qbridge.Controllers
 {
@@ -12,10 +13,20 @@ namespace qbridge.Controllers
     [Produces("application/json")]
     public class OAuthRedirectController : ControllerBase
     {
-
+        //used for discovery document
+        //https://docs.microsoft.com/en-us/aspnet/core/fundamentals/http-requests?view=aspnetcore-3.0
+        private readonly IHttpClientFactory _clientFactory;
+        public JObject DiscoveryDoc { get; private set; }
 
         /*
 
+
+        Discovery document 
+        https://developer.intuit.com/app/developer/qbo/docs/develop/authentication-and-authorization/openid-connect#discovery-document
+        Endpoints:
+        https://developer.api.intuit.com/.well-known/openid_sandbox_configuration
+        https://developer.api.intuit.com/.well-known/openid_configuration
+
         QB Online developer account login creds for sandbox:
 
         login: support@ayanova.com
@@ -38,9 +49,9 @@ namespace qbridge.Controllers
         sandbox company_us_1
         sandbox-quickbooks.api.intuit.com
          */
-        public OAuthRedirectController()
+        public OAuthRedirectController(IHttpClientFactory clientFactory)
         {
-
+            _clientFactory = clientFactory;
         }
 
         // Redirect endpoint
@@ -53,8 +64,9 @@ namespace qbridge.Controllers
         }
 
         [HttpGet("Start")]
-        public IActionResult Get()
+        public async Task<IActionResult> GetAsync()
         {
+            await GetQBDiscoveryDocument();
             string url = string.Empty;
             var queryParams = new Dictionary<string, string>()
                 {
@@ -66,7 +78,7 @@ namespace qbridge.Controllers
                 };
 
             url = Microsoft.AspNetCore.WebUtilities.QueryHelpers.AddQueryString("https://appcenter.intuit.com/connect/oauth2", queryParams);
-           // return Content($"AuthUrl: {url}");
+            // return Content($"AuthUrl: {url}");
             return Redirect(url);
 
             //will ask for login creds and permission then will redirect back to the Get method above with:
@@ -77,6 +89,45 @@ namespace qbridge.Controllers
         }
 
 
+
+
+        public async Task GetQBDiscoveryDocument()
+        {
+            var request = new HttpRequestMessage(HttpMethod.Get,
+             "https://developer.api.intuit.com/.well-known/openid_sandbox_configuration");
+            request.Headers.Add("Accept", "application/json");
+            request.Headers.Add("User-Agent", "AyaNova-QBridge");
+
+            var client = _clientFactory.CreateClient();
+
+            var response = await client.SendAsync(request);
+
+            if (response.IsSuccessStatusCode)
+            {
+                string data = await response.Content.ReadAsStringAsync();
+                DiscoveryDoc = JObject.Parse(data);
+            }
+            else
+            {
+                DiscoveryDoc = null;
+            }
+            return;
+            // string baseUrl = "https://developer.api.intuit.com/.well-known/openid_sandbox_configuration";        //The 'using' will help to prevent memory leaks.        //Create a new instance of HttpClient
+            // using (System.Net.Http.HttpClient client = new HttpClient())
+
+            // //Setting up the response...         
+
+            // using (HttpResponseMessage res = await client.GetAsync(baseUrl))
+            // using (HttpContent content = res.Content)
+            // {
+            //     string data = await content.ReadAsStringAsync();
+            //     if (data != null)
+            //     {
+            //         Console.WriteLine(data);
+            //     }
+            // }
+        }
+
         /*
         Plan: 
         Make a web APP and api that runs on our server and handles getting tokens from the QB Online oAuth2 endpoints

Startup.cs

@@ -25,6 +25,7 @@ namespace qbridge
         // This method gets called by the runtime. Use this method to add services to the container.
         public void ConfigureServices(IServiceCollection services)
         {
+            services.AddHttpClient();
             services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
         }