initial commit

BlueMine/Redmine/RedmineAuthHandler.cs

@@ -0,0 +1,51 @@
+using Microsoft.Extensions.Logging;
+using System.Net.Http;
+
+namespace BlueMine.Redmine
+{
+    public class RedmineAuthHandler : DelegatingHandler
+    {
+        private readonly RedmineConfig _config;
+        private readonly ILogger<RedmineAuthHandler> _logger;
+
+        public RedmineAuthHandler(RedmineConfig config, ILogger<RedmineAuthHandler> logger)
+        {
+            _logger = logger;
+            _config = config;
+        }
+
+        protected override async Task<HttpResponseMessage> SendAsync(
+            HttpRequestMessage request, CancellationToken cancellationToken)
+        {
+            _logger.LogDebug("Checking config for valid options");
+            if (!string.IsNullOrWhiteSpace(_config.ApiKey))
+            {
+                _logger.LogDebug("Refreshing API key");
+                request.Headers.Remove("X-Redmine-API-Key");
+                request.Headers.Add("X-Redmine-API-Key", _config.ApiKey);
+            }
+
+            if (!string.IsNullOrWhiteSpace(_config.RedmineUrl)
+                && request.RequestUri != null)
+            {
+                _logger.LogDebug("Refreshing base URI");
+                string baseUrlStr = _config.RedmineUrl.EndsWith("/")
+                    ? _config.RedmineUrl
+                    : _config.RedmineUrl + "/";
+
+                var baseUri = new Uri(baseUrlStr);
+
+                string pathAndQuery = request.RequestUri.PathAndQuery;
+
+                if (pathAndQuery.StartsWith("/"))
+                {
+                    pathAndQuery = pathAndQuery.Substring(1);
+                }
+
+                request.RequestUri = new Uri(baseUri, pathAndQuery);
+            }
+
+            return await base.SendAsync(request, cancellationToken);
+        }
+    }
+}