fix data origin check in workflow validator

CallbackApp.Dockerfile

@@ -12,7 +12,7 @@
 FROM python:3.10-alpine
 
 RUN apk update && apk upgrade
-RUN apk add libcom_err=1.46.6-r0
+RUN apk add libcom_err=1.47.0-r2
 WORKDIR /app
 COPY src/TaskManager/CallbackApp/app.py ./
 COPY src/TaskManager/CallbackApp/requirements.txt ./

src/Shared/Configuration/InformaticsGatewayConfiguration.cs

@@ -22,5 +22,11 @@ public class InformaticsGatewayConfiguration
     {
         [ConfigurationKeyName("apiHost")]
         public string ApiHost { get; set; }
+
+        [ConfigurationKeyName("username")]
+        public string Username { get; set; }
+
+        [ConfigurationKeyName("password")]
+        public string Password { get; set; }
     }
 }

src/WorkflowManager/Common/Exceptions/InternalServerException.cs

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2022 MONAI Consortium
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Monai.Deploy.WorkflowManager.Common.Exceptions
+{
+    public class MonaiInternalServerException : Exception
+    {
+        public MonaiInternalServerException()
+        {
+        }
+
+        public MonaiInternalServerException(string message)
+            : base(message)
+        {
+        }
+
+        public MonaiInternalServerException(string message, Exception innerException)
+            : base(message, innerException)
+        {
+        }
+    }
+}

src/WorkflowManager/Monai.Deploy.WorkflowManager.Services/InformaticsGateway/InformaticsGatewayService.cs

@@ -15,7 +15,9 @@
  */
 
 using System.Net;
+using System.Net.Http.Headers;
 using Microsoft.Extensions.Options;
+using Monai.Deploy.WorkflowManager.Common.Exceptions;
 using Monai.Deploy.WorkflowManager.Configuration;
 
 namespace Monai.Deploy.WorkflowManager.Services.InformaticsGateway
@@ -31,17 +33,29 @@ IOptions<InformaticsGatewayConfiguration> options
             _options = options ?? throw new ArgumentNullException(nameof(options));
 
             _httpClient.BaseAddress = new Uri(_options.Value.ApiHost);
+
+            var authenticationString = $"{_options.Value.Username}:{_options.Value.Password}";
+            var base64EncodedAuthenticationString = Convert.ToBase64String(System.Text.Encoding.ASCII.GetBytes(authenticationString));
+
+            _httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", base64EncodedAuthenticationString);
         }
 
         private readonly HttpClient _httpClient;
 
         private readonly IOptions<InformaticsGatewayConfiguration> _options;
 
-        public async Task<bool> OriginExists(string name)
+        public async Task<bool> OriginExists(string aetitle)
         {
-            var response = await _httpClient.GetAsync($"/config/source/{name}");
+            try
+            {
+                var response = await _httpClient.GetAsync($"/config/source/aetitle/{aetitle}");
 
-            return response.StatusCode == HttpStatusCode.OK;
+                return response.StatusCode == HttpStatusCode.OK;
+            }
+            catch (Exception ex)
+            {
+                throw new MonaiInternalServerException($"An error occured when cheking if the origin '{aetitle}' existed.", ex);
+            }
         }
     }
 }

src/WorkflowManager/Monai.Deploy.WorkflowManager.Services/Monai.Deploy.WorkflowManager.Services.csproj

@@ -41,6 +41,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\Shared\Configuration\Monai.Deploy.WorkflowManager.Configuration.csproj" />
+    <ProjectReference Include="..\Common\Monai.Deploy.WorkflowManager.Common.csproj" />
   </ItemGroup>
 
   <PropertyGroup>