365 lines
18 KiB
C#
365 lines
18 KiB
C#
using System.Globalization;
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using System.Net;
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using System.Text.RegularExpressions;
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using Tranga;
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using Tranga.Connectors;
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using Tranga.TrangaTasks;
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namespace API;
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public class RequestHandler
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{
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private TaskManager _taskManager;
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private Server _parent;
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private List<ValueTuple<HttpMethod, string, string[]>> _validRequestPaths = new()
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{
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new(HttpMethod.Get, "/", Array.Empty<string>()),
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new(HttpMethod.Get, "/Connectors", Array.Empty<string>()),
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new(HttpMethod.Get, "/Publications/Known", new[] { "internalId?" }),
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new(HttpMethod.Get, "/Publications/FromConnector", new[] { "connectorName", "title" }),
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new(HttpMethod.Get, "/Publications/Chapters",
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new[] { "connectorName", "internalId", "onlyNew?", "onlyExisting?", "language?" }),
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new(HttpMethod.Get, "/Tasks/Types", Array.Empty<string>()),
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new(HttpMethod.Post, "/Tasks/CreateMonitorTask",
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new[] { "connectorName", "internalId", "reoccurrenceTime", "language?", "ignoreChaptersBelow?" }),
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new(HttpMethod.Post, "/Tasks/CreateDownloadChaptersTask",
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new[] { "connectorName", "internalId", "chapters", "language?" }),
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new(HttpMethod.Get, "/Tasks", new[] { "taskType", "connectorName?", "publicationId?" }),
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new(HttpMethod.Delete, "/Tasks", new[] { "taskType", "connectorName?", "searchString?" }),
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new(HttpMethod.Get, "/Tasks/Progress",
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new[] { "taskType", "connectorName", "publicationId", "chapterSortNumber?" }),
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new(HttpMethod.Post, "/Tasks/Start", new[] { "taskType", "connectorName?", "internalId?" }),
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new(HttpMethod.Get, "/Tasks/RunningTasks", Array.Empty<string>()),
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new(HttpMethod.Get, "/Queue/List", Array.Empty<string>()),
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new(HttpMethod.Post, "/Queue/Enqueue", new[] { "taskType", "connectorName?", "publicationId?" }),
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new(HttpMethod.Delete, "/Queue/Dequeue", new[] { "taskType", "connectorName?", "publicationId?" }),
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new(HttpMethod.Get, "/Settings", Array.Empty<string>()),
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new(HttpMethod.Post, "/Settings/Update", new[]
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{
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"downloadLocation?", "komgaUrl?", "komgaAuth?", "kavitaUrl?", "kavitaUsername?",
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"kavitaPassword?", "gotifyUrl?", "gotifyAppToken?", "lunaseaWebhook?"
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})
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};
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public RequestHandler(TaskManager taskManager, Server parent)
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{
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this._taskManager = taskManager;
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this._parent = parent;
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}
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internal void HandleRequest(HttpListenerRequest request, HttpListenerResponse response)
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{
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string requestPath = request.Url!.LocalPath;
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if (requestPath.Contains("favicon"))
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{
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_parent.SendResponse(HttpStatusCode.NoContent, response);
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return;
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}
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if (!this._validRequestPaths.Any(path => path.Item1.Method == request.HttpMethod && path.Item2 == requestPath))
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{
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_parent.SendResponse(HttpStatusCode.BadRequest, response);
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return;
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}
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Dictionary<string, string> variables = GetRequestVariables(request.Url!.Query);
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object? responseObject = null;
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switch (request.HttpMethod)
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{
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case "GET":
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responseObject = this.HandleGet(requestPath, variables);
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break;
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case "POST":
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this.HandlePost(requestPath, variables);
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break;
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case "DELETE":
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this.HandleDelete(requestPath, variables);
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break;
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}
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_parent.SendResponse(HttpStatusCode.OK, response, responseObject);
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}
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private Dictionary<string, string> GetRequestVariables(string query)
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{
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Dictionary<string, string> ret = new();
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Regex queryRex = new (@"\?{1}&?([A-z0-9-=]+=[A-z0-9-=]+)+(&[A-z0-9-=]+=[A-z0-9-=]+)*");
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if (!queryRex.IsMatch(query))
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return ret;
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query = query.Substring(1);
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foreach (string kvpair in query.Split('&').Where(str => str.Length >= 3))
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{
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string var = kvpair.Split('=')[0];
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string val = Regex.Replace(kvpair.Substring(var.Length + 1), "%20", " ");
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val = Regex.Replace(val, "%[0-9]{2}", "");
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ret.Add(var, val);
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}
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return ret;
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}
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private void HandleDelete(string requestPath, Dictionary<string, string> variables)
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{
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switch (requestPath)
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{
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case "/Tasks":
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variables.TryGetValue("taskType", out string? taskType1);
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variables.TryGetValue("connectorName", out string? connectorName1);
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variables.TryGetValue("publicationId", out string? publicationId1);
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if(taskType1 is null)
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return;
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try
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{
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TrangaTask.Task task = Enum.Parse<TrangaTask.Task>(taskType1);
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foreach(TrangaTask tTask in _taskManager.GetTasksMatching(task, connectorName1, internalId: publicationId1))
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_taskManager.DeleteTask(tTask);
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}
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catch (ArgumentException)
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{
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return;
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}
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break;
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case "/Queue/Dequeue":
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variables.TryGetValue("taskType", out string? taskType2);
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variables.TryGetValue("connectorName", out string? connectorName2);
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variables.TryGetValue("publicationId", out string? publicationId2);
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if(taskType2 is null)
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return;
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try
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{
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TrangaTask.Task pTask = Enum.Parse<TrangaTask.Task>(taskType2);
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TrangaTask? task = _taskManager
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.GetTasksMatching(pTask, connectorName: connectorName2, internalId: publicationId2).FirstOrDefault();
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if (task is null)
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return;
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_taskManager.RemoveTaskFromQueue(task);
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}
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catch (ArgumentException)
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{
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return;
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}
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break;
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}
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}
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private void HandlePost(string requestPath, Dictionary<string, string> variables)
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{
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switch (requestPath)
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{
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case "/Tasks/CreateMonitorTask":
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variables.TryGetValue("connectorName", out string? connectorName1);
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variables.TryGetValue("internalId", out string? internalId1);
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variables.TryGetValue("reoccurrenceTime", out string? reoccurrenceTime1);
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variables.TryGetValue("language", out string? language1);
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variables.TryGetValue("ignoreChaptersBelow", out string? minChapter);
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if (connectorName1 is null || internalId1 is null || reoccurrenceTime1 is null)
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return;
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Connector? connector1 =
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_taskManager.GetAvailableConnectors().FirstOrDefault(con => con.Key == connectorName1).Value;
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if (connector1 is null)
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return;
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Publication? publication1 = _taskManager.GetAllPublications().FirstOrDefault(pub => pub.internalId == internalId1);
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if (!publication1.HasValue)
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return;
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Publication pPublication1 = (Publication)publication1;
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if (minChapter is not null)
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pPublication1.ignoreChaptersBelow = float.Parse(minChapter,new NumberFormatInfo() { NumberDecimalSeparator = "." });
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_taskManager.AddTask(new MonitorPublicationTask(connectorName1, pPublication1, TimeSpan.Parse(reoccurrenceTime1), language1 ?? "en"));
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break;
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case "/Tasks/CreateDownloadChaptersTask":
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variables.TryGetValue("connectorName", out string? connectorName2);
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variables.TryGetValue("internalId", out string? internalId2);
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variables.TryGetValue("chapters", out string? chapters);
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variables.TryGetValue("language", out string? language2);
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if (connectorName2 is null || internalId2 is null || chapters is null)
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return;
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Connector? connector2 =
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_taskManager.GetAvailableConnectors().FirstOrDefault(con => con.Key == connectorName2).Value;
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if (connector2 is null)
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return;
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Publication? publication2 = _taskManager.GetAllPublications().FirstOrDefault(pub => pub.internalId == internalId2);
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if (publication2 is null)
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return;
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IEnumerable<Chapter> toDownload = connector2.SelectChapters((Publication)publication2, chapters, language2 ?? "en");
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foreach(Chapter chapter in toDownload)
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_taskManager.AddTask(new DownloadChapterTask(connectorName2, (Publication)publication2, chapter, "en"));
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break;
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case "/Tasks/Start":
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variables.TryGetValue("taskType", out string? taskType1);
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variables.TryGetValue("connectorName", out string? connectorName3);
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variables.TryGetValue("internalId", out string? internalId3);
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if (taskType1 is null)
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return;
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try
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{
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TrangaTask.Task pTask = Enum.Parse<TrangaTask.Task>(taskType1);
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TrangaTask? task = _taskManager
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.GetTasksMatching(pTask, connectorName: connectorName3, internalId: internalId3).FirstOrDefault();
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if (task is null)
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return;
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_taskManager.ExecuteTaskNow(task);
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}
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catch (ArgumentException)
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{
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return;
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}
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break;
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case "/Queue/Enqueue":
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variables.TryGetValue("taskType", out string? taskType2);
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variables.TryGetValue("connectorName", out string? connectorName4);
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variables.TryGetValue("publicationId", out string? publicationId);
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if (taskType2 is null)
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return;
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try
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{
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TrangaTask.Task pTask = Enum.Parse<TrangaTask.Task>(taskType2);
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TrangaTask? task = _taskManager
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.GetTasksMatching(pTask, connectorName: connectorName4, internalId: publicationId).FirstOrDefault();
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if (task is null)
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return;
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_taskManager.AddTaskToQueue(task);
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}
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catch (ArgumentException)
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{
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return;
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}
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break;
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case "/Settings/Update":
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variables.TryGetValue("downloadLocation", out string? downloadLocation);
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variables.TryGetValue("komgaUrl", out string? komgaUrl);
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variables.TryGetValue("komgaAuth", out string? komgaAuth);
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variables.TryGetValue("kavitaUrl", out string? kavitaUrl);
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variables.TryGetValue("kavitaUsername", out string? kavitaUsername);
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variables.TryGetValue("kavitaPassword", out string? kavitaPassword);
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variables.TryGetValue("gotifyUrl", out string? gotifyUrl);
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variables.TryGetValue("gotifyAppToken", out string? gotifyAppToken);
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variables.TryGetValue("lunaseaWebhook", out string? lunaseaWebhook);
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if (downloadLocation is not null && downloadLocation.Length > 0)
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_taskManager.settings.UpdateSettings(TrangaSettings.UpdateField.DownloadLocation, downloadLocation);
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if (komgaUrl is not null && komgaAuth is not null && komgaUrl.Length > 5 && komgaAuth.Length > 0)
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_taskManager.settings.UpdateSettings(TrangaSettings.UpdateField.Komga, komgaUrl, komgaAuth);
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if (kavitaUrl is not null && kavitaPassword is not null && kavitaUsername is not null && kavitaUrl.Length > 5 &&
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kavitaUsername.Length > 0 && kavitaPassword.Length > 0)
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_taskManager.settings.UpdateSettings(TrangaSettings.UpdateField.Kavita, kavitaUrl, kavitaUsername,
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kavitaPassword);
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if (gotifyUrl is not null && gotifyAppToken is not null && gotifyUrl.Length > 5 && gotifyAppToken.Length > 0)
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_taskManager.settings.UpdateSettings(TrangaSettings.UpdateField.Gotify, gotifyUrl, gotifyAppToken);
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if(lunaseaWebhook is not null && lunaseaWebhook.Length > 5)
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_taskManager.settings.UpdateSettings(TrangaSettings.UpdateField.LunaSea, lunaseaWebhook);
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break;
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}
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}
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private object? HandleGet(string requestPath, Dictionary<string, string> variables)
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{
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switch (requestPath)
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{
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case "/Connectors":
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return this._taskManager.GetAvailableConnectors().Keys.ToArray();
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case "/Publications/Known":
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variables.TryGetValue("internalId", out string? internalId1);
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if(internalId1 is null)
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return _taskManager.GetAllPublications();
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return new [] { _taskManager.GetAllPublications().FirstOrDefault(pub => pub.internalId == internalId1) };
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case "/Publications/FromConnector":
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variables.TryGetValue("connectorName", out string? connectorName1);
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variables.TryGetValue("title", out string? title);
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if (connectorName1 is null || title is null)
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return null;
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Connector? connector1 = _taskManager.GetAvailableConnectors().FirstOrDefault(con => con.Key == connectorName1).Value;
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if (connector1 is null)
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return null;
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if(title.Length < 4)
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return null;
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return connector1.GetPublications(ref _taskManager.collection, title);
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case "/Publications/Chapters":
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string[] yes = { "true", "yes", "1", "y" };
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variables.TryGetValue("connectorName", out string? connectorName2);
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variables.TryGetValue("internalId", out string? internalId2);
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variables.TryGetValue("onlyNew", out string? onlyNew);
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variables.TryGetValue("onlyExisting", out string? onlyExisting);
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variables.TryGetValue("language", out string? language);
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if (connectorName2 is null || internalId2 is null)
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return null;
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bool newOnly = onlyNew is not null && yes.Contains(onlyNew);
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bool existingOnly = onlyExisting is not null && yes.Contains(onlyExisting);
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Connector? connector2 = _taskManager.GetAvailableConnectors().FirstOrDefault(con => con.Key == connectorName2).Value;
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if (connector2 is null)
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return null;
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Publication? publication = _taskManager.GetAllPublications().FirstOrDefault(pub => pub.internalId == internalId2);
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if (publication is null)
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return null;
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if(newOnly)
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return connector2.GetNewChaptersList((Publication)publication, language??"en", ref _taskManager.collection).ToArray();
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else if (existingOnly)
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return _taskManager.GetExistingChaptersList(connector2, (Publication)publication, language ?? "en").ToArray();
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else
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return connector2.GetChapters((Publication)publication, language??"en");
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case "/Tasks/Types":
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return Enum.GetNames(typeof(TrangaTask.Task));
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case "/Tasks":
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variables.TryGetValue("taskType", out string? taskType1);
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variables.TryGetValue("connectorName", out string? connectorName3);
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variables.TryGetValue("searchString", out string? searchString);
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if (taskType1 is null)
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return null;
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try
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{
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TrangaTask.Task task = Enum.Parse<TrangaTask.Task>(taskType1);
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return _taskManager.GetTasksMatching(task, connectorName:connectorName3, searchString:searchString);
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}
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catch (ArgumentException)
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{
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return null;
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}
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case "/Tasks/Progress":
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variables.TryGetValue("taskType", out string? taskType2);
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variables.TryGetValue("connectorName", out string? connectorName4);
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variables.TryGetValue("publicationId", out string? publicationId);
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variables.TryGetValue("chapterNumber", out string? chapterNumber);
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if (taskType2 is null || connectorName4 is null || publicationId is null)
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return null;
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Connector? connector =
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_taskManager.GetAvailableConnectors().FirstOrDefault(con => con.Key == connectorName4).Value;
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if (connector is null)
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return null;
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try
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{
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TrangaTask? task = null;
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TrangaTask.Task pTask = Enum.Parse<TrangaTask.Task>(taskType2);
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if (pTask is TrangaTask.Task.MonitorPublication)
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{
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task = _taskManager.GetTasksMatching(pTask, connectorName: connectorName4, internalId: publicationId).FirstOrDefault();
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}else if (pTask is TrangaTask.Task.DownloadChapter && chapterNumber is not null)
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{
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task = _taskManager.GetTasksMatching(pTask, connectorName: connectorName4, internalId: publicationId,
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chapterNumber: chapterNumber).FirstOrDefault();
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}
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if (task is null)
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return null;
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return task.progress;
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}
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catch (ArgumentException)
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{
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return null;
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}
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case "/Tasks/RunningTasks":
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return _taskManager.GetAllTasks().Where(task => task.state is TrangaTask.ExecutionState.Running);
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case "/Queue/List":
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return _taskManager.GetAllTasks().Where(task => task.state is TrangaTask.ExecutionState.Enqueued).OrderBy(task => task.nextExecution);
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case "/Settings":
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return _taskManager.settings;
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case "/":
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default:
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return this._validRequestPaths;
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}
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}
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} |