Work in progress for the Jira backport. [skip ci]

GreenshotJiraPlugin/JiraConnector.cs

@@ -0,0 +1,181 @@
+
+/*
+ * Greenshot - a free and open source screenshot tool
+ * Copyright (C) 2007-2015 Thomas Braun, Jens Klingen, Robin Krom
+ * 
+ * For more information see: http://getgreenshot.org/
+ * The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 1 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using Dapplo.Jira;
+using Dapplo.Jira.Entities;
+using Greenshot.IniFile;
+using GreenshotPlugin.Core;
+
+namespace GreenshotJiraPlugin {
+	public class JiraConnector : IDisposable {
+		private static readonly log4net.ILog Log = log4net.LogManager.GetLogger(typeof(JiraConnector));
+		private static readonly JiraConfiguration Config = IniConfig.GetIniSection<JiraConfiguration>();
+		public const string DefaultPostfix = "/rpc/soap/jirasoapservice-v2?wsdl";
+		private DateTime _loggedInTime = DateTime.Now;
+		private bool _loggedIn;
+		private readonly int _timeout;
+		private string _url;
+		private JiraApi _jiraApi;
+
+		public void Dispose() {
+			Dispose(true);
+			GC.SuppressFinalize(this);
+		}
+
+		protected void Dispose(bool disposing) {
+			if (_jiraApi != null)
+			{
+				Task.Run(async () => await Logout()).Wait();
+			}
+		}
+
+		public JiraConnector() {
+			_url = Config.Url.Replace(DefaultPostfix, "");
+			_timeout = Config.Timeout;
+			_jiraApi = new JiraApi(new Uri(_url));
+		}
+
+		~JiraConnector() {
+			Dispose(false);
+		}
+
+		/// <summary>
+		/// Internal login which catches the exceptions
+		/// </summary>
+		/// <returns>true if login was done sucessfully</returns>
+		private async Task<bool> DoLogin(string user, string password)
+		{
+			if (_url.EndsWith("wsdl"))
+			{
+				_url = _url.Replace(DefaultPostfix, "");
+				// recreate the service with the new url
+				_jiraApi = new JiraApi(new Uri(_url));
+			}
+
+			LoginInfo loginInfo;
+			try
+			{
+				loginInfo = await _jiraApi.StartSessionAsync(user, password);
+				// Worked, store the url in the configuration
+				Config.Url = _url;
+				IniConfig.Save();
+			}
+			catch (Exception)
+			{
+				return false;
+			}
+			return loginInfo != null;
+		}
+		
+		public async Task Login() {
+			await Logout();
+			try {
+				// Get the system name, so the user knows where to login to
+				string systemName = _url.Replace(DefaultPostfix,"");
+				var credentialsDialog = new CredentialsDialog(systemName)
+				{
+					Name = null
+				};
+				while (credentialsDialog.Show(credentialsDialog.Name) == DialogResult.OK) {
+					if (await DoLogin(credentialsDialog.Name, credentialsDialog.Password)) {
+						if (credentialsDialog.SaveChecked) {
+							credentialsDialog.Confirm(true);
+						}
+						_loggedIn = true;
+						_loggedInTime = DateTime.Now;
+						return;
+					}
+					try {
+						credentialsDialog.Confirm(false);
+					} catch (ApplicationException e) {
+						// exception handling ...
+						Log.Error("Problem using the credentials dialog", e);
+					}
+					// For every windows version after XP show an incorrect password baloon
+					credentialsDialog.IncorrectPassword = true;
+					// Make sure the dialog is display, the password was false!
+					credentialsDialog.AlwaysDisplay = true;
+				}
+			} catch (ApplicationException e) {
+				// exception handling ...
+				Log.Error("Problem using the credentials dialog", e);
+			}
+
+		}
+
+		public async Task Logout() {
+			if (_jiraApi != null)
+			{
+				await _jiraApi.EndSessionAsync();
+				_loggedIn = false;
+			}
+		}
+
+		private async Task CheckCredentials() {
+			if (_loggedIn) {
+				if (_loggedInTime.AddMinutes(_timeout-1).CompareTo(DateTime.Now) < 0) {
+					await Logout();
+					await Login();
+				}
+			} else {
+				await Login();
+			}
+		}
+
+		public async Task<IList<Filter>> GetFavoriteFiltersAsync()
+		{
+			await CheckCredentials();
+			return await _jiraApi.GetFavoriteFiltersAsync();
+		}
+
+		public async Task<Issue> GetIssueAsync(string issueKey)
+		{
+			await CheckCredentials();
+			return await _jiraApi.GetIssueAsync(issueKey);
+		}
+		public async Task<Attachment> AttachAsync<TContent>(string issueKey, TContent content, string filename, string contentType = null, CancellationToken cancellationToken = default(CancellationToken)) where TContent : class
+		{
+			await CheckCredentials();
+			return await _jiraApi.AttachAsync(issueKey, content, filename, contentType, cancellationToken);
+		}
+
+		public async Task AddCommentAsync(string issueKey, string body, string visibility = null, CancellationToken cancellationToken = default(CancellationToken))
+		{
+			await CheckCredentials();
+			await _jiraApi.AddCommentAsync(issueKey, body, visibility, cancellationToken);
+		}
+		public async Task<SearchResult> SearchAsync(string jql, int maxResults = 20, IList<string> fields = null, CancellationToken cancellationToken = default(CancellationToken))
+		{
+			await CheckCredentials();
+			return await _jiraApi.SearchAsync(jql, maxResults, fields, cancellationToken);
+		}
+
+		public Uri JiraBaseUri => _jiraApi.JiraBaseUri;
+
+		public bool IsLoggedIn => _loggedIn;
+	}
+}