Refactor using implicit principal and vault based config (#3751)

* Refactor using implicit principal and vault based config
* Cleanup logging and skipping logic in Processor. Use bulk github user mapping api.
* Avoid using arrays with IConfiguration
* Improve logging in GitHubToAADConverter and pipeline owner extractor

tools/identity-resolution/Helpers/GitHubToAADConverter.cs

@@ -5,6 +5,7 @@
 using Azure.Core;
 using Azure.Identity;
 using Microsoft.Extensions.Logging;
+using Models.OpenSourcePortal;
 using Newtonsoft.Json;
 
 namespace Azure.Sdk.Tools.NotificationConfiguration.Helpers
@@ -51,7 +52,7 @@ public GitHubToAADConverter(
         /// <returns>Aad user principal name</returns>
         public string GetUserPrincipalNameFromGithub(string githubUserName)
         {
-            return GetUserPrincipalNameFromGithubAsync(githubUserName).Result;           
+            return GetUserPrincipalNameFromGithubAsync(githubUserName).Result;
         }
 
         public async Task<string> GetUserPrincipalNameFromGithubAsync(string githubUserName)
@@ -73,5 +74,23 @@ public async Task<string> GetUserPrincipalNameFromGithubAsync(string githubUserN
 
             return null;
         }
+
+        public async Task<UserLink[]> GetPeopleLinksAsync()
+        {
+            try
+            {
+                logger.LogInformation("Calling GET https://repos.opensource.microsoft.com/api/people/links");
+                var responseJsonString = await client.GetStringAsync($"https://repos.opensource.microsoft.com/api/people/links");
+                var allLinks = JsonConvert.DeserializeObject<UserLink[]>(responseJsonString);
+
+                return allLinks;
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex.Message);
+            }
+
+            return null;
+        }
     }
 }

tools/identity-resolution/Models/OpenSourcePortal/AadUserDetail.cs

@@ -0,0 +1,15 @@
+namespace Models.OpenSourcePortal
+{
+    public class AadUserDetail
+    {
+        public string Alias { get; set; }
+
+        public string PreferredName { get; set; }
+
+        public string UserPrincipalName { get; set; }
+
+        public string Id { get; set; }
+
+        public string EmailAddress { get; set; }
+    }
+}

tools/identity-resolution/Models/OpenSourcePortal/GitHubUserDetail.cs

@@ -0,0 +1,13 @@
+namespace Models.OpenSourcePortal
+{
+    public class GitHubUserDetail
+    {
+        public int Id { get; set; }
+
+        public string Login { get; set; }
+
+        public string[] Organizations { get; set; }
+
+        public string Avatar { get; set; }
+    }
+}

tools/identity-resolution/Models/OpenSourcePortal/UserLink.cs

@@ -0,0 +1,13 @@
+namespace Models.OpenSourcePortal
+{
+    public class UserLink
+    {
+        public GitHubUserDetail GitHub { get; set; }
+
+        public AadUserDetail Aad { get; set; }
+
+        public bool IsServiceAccount { get; set; }
+
+        public string ServiceAccountContact { get; set; }
+    }
+}