package main import ( "encoding/base64" "encoding/json" "fmt" "html/template" "io/ioutil" "net/http" "os" "path/filepath" "strings" _ "net/http/pprof" "github.com/anacrolix/torrent" "github.com/asdine/storm" Engine "github.com/deranjer/goTorrent/engine" Storage "github.com/deranjer/goTorrent/storage" "github.com/gorilla/mux" "github.com/gorilla/websocket" "github.com/mmcdole/gofeed" "github.com/sirupsen/logrus" ) //SingleRSSFeedMessage will most likely be deprecated as this is the only way I could get it working currently type SingleRSSFeedMessage struct { //TODO had issues with getting this to work with Storage or Engine MessageType string URL string //the URL of the individual RSS feed Name string TotalTorrents int Torrents []Storage.SingleRSSTorrent //name of the torrents } var ( //Logger does logging for the entire project Logger = logrus.New() APP_ID = os.Getenv("APP_ID") ) var upgrader = websocket.Upgrader{ ReadBufferSize: 1024, WriteBufferSize: 1024, } func serveHome(w http.ResponseWriter, r *http.Request) { s1, _ := template.ParseFiles("templates/home.tmpl") s1.ExecuteTemplate(w, "base", map[string]string{"APP_ID": APP_ID}) } func main() { Engine.Logger = Logger //Injecting the logger into all the packages Storage.Logger = Logger Config := Engine.FullClientSettingsNew() //grabbing from settings.go if Config.LoggingOutput == "file" { _, err := os.Stat("logs") if os.IsNotExist(err) { err := os.Mkdir("logs", 0755) if err != nil { fmt.Println("Unable to create 'log' folder for logging.... please check permissions.. forcing output to stdout", err) Logger.Out = os.Stdout } else { os.Remove("logs/server.log") //cleanup the old log on every restart file, err := os.OpenFile("logs/server.log", os.O_CREATE|os.O_WRONLY, 0755) //creating the log file defer file.Close() //TODO.. since we write to this constantly how does close work? if err != nil { fmt.Println("Unable to create file for logging.... please check permissions.. forcing output to stdout") Logger.Out = os.Stdout } Logger.Out = file } } } else { Logger.Out = os.Stdout } Logger.SetLevel(Config.LoggingLevel) httpAddr := Config.HTTPAddr os.MkdirAll(Config.TFileUploadFolder, 0755) //creating a directory to store uploaded torrent files os.MkdirAll(Config.TorrentWatchFolder, 0755) //creating a directory to watch for added .torrent files Logger.WithFields(logrus.Fields{"Config": Config}).Info("Torrent Client Config has been generated...") tclient, err := torrent.NewClient(&Config.TorrentConfig) //pulling out the torrent specific config to use if err != nil { Logger.WithFields(logrus.Fields{"error": err}).Fatalf("Error creating torrent client: %s") } db, err := storm.Open("storage.db") //initializing the boltDB store that contains all the added torrents if err != nil { Logger.WithFields(logrus.Fields{"error": err}).Fatal("Error opening/creating storage.db") } defer db.Close() //defering closing the database until the program closes cronEngine := Engine.InitializeCronEngine() //Starting the cron engine for tasks Logger.Debug("Cron Engine Initialized...") torrentLocalStorage := Storage.TorrentLocal{} //creating a new struct that stores all of our local storage info var TorrentLocalArray = []*Storage.TorrentLocal{} //this is an array of ALL of the local storage torrents, they will be added back in via hash var RunningTorrentArray = []Engine.ClientDB{} //this stores ALL of the torrents that are running, used for client update pushes combines Local Storage and Running tclient info var PreviousTorrentArray = []Engine.ClientDB{} TorrentLocalArray = Storage.FetchAllStoredTorrents(db) //pulling in all the already added torrents if TorrentLocalArray != nil { //the first creation of the running torrent array //since we are adding all of them in we use a coroutine... just allows the web ui to load then it will load in the torrents go func() { //TODO instead of running all torrent fetches in coroutine see if possible to run each single one in a routine so we don't wait for ALL of them to be verified RunningTorrentArray = Engine.CreateRunningTorrentArray(tclient, TorrentLocalArray, PreviousTorrentArray, Config, db) }() } else { Logger.Info("Database is empty, no torrents loaded") } Engine.CheckTorrentWatchFolder(cronEngine, db, tclient, torrentLocalStorage, Config) Engine.RefreshRSSCron(cronEngine, db, tclient, torrentLocalStorage, Config) // Refresing the RSS feeds on an hourly basis to add torrents that show up in the RSS feed router := mux.NewRouter() //setting up the handler for the web backend router.HandleFunc("/", serveHome) //Serving the main page for our SPA http.Handle("/static/", http.FileServer(http.Dir("public"))) http.Handle("/", router) http.HandleFunc("/api", func(w http.ResponseWriter, r *http.Request) { //exposing the data to the TorrentLocalArray = Storage.FetchAllStoredTorrents(db) RunningTorrentArray = Engine.CreateRunningTorrentArray(tclient, TorrentLocalArray, PreviousTorrentArray, Config, db) //Updates the RunningTorrentArray with the current client data as well var torrentlistArray = new(Engine.TorrentList) torrentlistArray.MessageType = "torrentList" //setting the type of message torrentlistArray.ClientDBstruct = RunningTorrentArray //the full JSON that includes the number of torrents as the root torrentlistArray.Totaltorrents = len(RunningTorrentArray) torrentlistArrayJSON, _ := json.Marshal(torrentlistArray) w.Header().Set("Content-Type", "application/json") w.Write(torrentlistArrayJSON) }) http.HandleFunc("/websocket", func(w http.ResponseWriter, r *http.Request) { //websocket is the main data pipe to the frontend conn, err := upgrader.Upgrade(w, r, nil) defer conn.Close() //defer closing the websocket until done. if err != nil { Logger.WithFields(logrus.Fields{"error": err}).Fatal("Unable to create websocket!") return } Engine.Conn = conn //Injecting the conn variable into the other packages Storage.Conn = conn MessageLoop: //Tagging this so we can continue out of it with any errors we encounter that are failing for { runningTorrents := tclient.Torrents() //getting running torrents here since multiple cases ask for the running torrents msg := Engine.Message{} err := conn.ReadJSON(&msg) if err != nil { Logger.WithFields(logrus.Fields{"error": err, "message": msg}).Error("Unable to read JSON client message") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "info", Payload: "Malformed JSON request made to server.. ignoring"}, conn) break MessageLoop } Logger.WithFields(logrus.Fields{"message": msg}).Debug("Message From Client") switch msg.MessageType { //first handling data requests case "torrentListRequest": Logger.WithFields(logrus.Fields{"message": msg}).Debug("Client Requested TorrentList Update") TorrentLocalArray = Storage.FetchAllStoredTorrents(db) //Required to re-read th database since we write to the DB and this will pull the changes from it RunningTorrentArray = Engine.CreateRunningTorrentArray(tclient, TorrentLocalArray, PreviousTorrentArray, Config, db) //Updates the RunningTorrentArray with the current client data as well PreviousTorrentArray = RunningTorrentArray //Logger.WithFields(logrus.Fields{"message": msg}).Infof("%+v\n", RunningTorrentArray) var torrentlistArray = new(Engine.TorrentList) torrentlistArray.MessageType = "torrentList" torrentlistArray.ClientDBstruct = RunningTorrentArray torrentlistArray.Totaltorrents = len(RunningTorrentArray) Logger.WithFields(logrus.Fields{"torrentList": torrentlistArray, "previousTorrentList": PreviousTorrentArray}).Debug("Previous and Current Torrent Lists for sending to client") conn.WriteJSON(torrentlistArray) case "torrentFileListRequest": //client requested a filelist update Logger.WithFields(logrus.Fields{"message": msg}).Debug("Client Requested FileList Update") FileListArray := Engine.CreateFileListArray(tclient, msg.Payload[0], db) conn.WriteJSON(FileListArray) //writing the JSON to the client case "torrentDetailedInfo": Logger.WithFields(logrus.Fields{"message": msg}).Debug("Client Requested TorrentListDetail Update") torrentDetailArray := Engine.CreateTorrentDetailJSON(tclient, msg.Payload[0], db) conn.WriteJSON(torrentDetailArray) case "torrentPeerListRequest": Logger.WithFields(logrus.Fields{"message": msg}).Debug("Client Requested PeerList Update") torrentPeerList := Engine.CreatePeerListArray(tclient, msg.Payload[0]) conn.WriteJSON(torrentPeerList) case "changeStorageValue": Logger.WithFields(logrus.Fields{"message": msg}).Debug("Client Requested Storage Location Update") newStorageLocation := msg.MessageDetail hashes := msg.Payload for _, singleHash := range hashes { singleTorrent := Storage.FetchTorrentFromStorage(db, singleHash) oldPath := singleTorrent.StoragePath singleTorrent.StoragePath = newStorageLocation Storage.UpdateStorageTick(db, singleTorrent) //push torrent to storage if singleTorrent.TorrentMoved == true { //If torrent has already been moved and I change path then move it again... TODO, does this work with symlinks? Logger.WithFields(logrus.Fields{"message": msg}).Info("Torrent completed so moving to new location") Engine.MoveAndLeaveSymlink(Config, singleHash, db, true, oldPath) } } case "settingsFileRequest": Logger.WithFields(logrus.Fields{"message": msg}).Debug("Client Requested Settings File") clientSettingsFile, err := json.Marshal(Config) if err != nil { Logger.WithFields(logrus.Fields{"message": msg}).Error("Unable to Marshal Setting file into JSON!") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "error", Payload: "Unable to marshal config into JSON!"}, conn) } conn.WriteJSON(clientSettingsFile) case "rssFeedRequest": Logger.WithFields(logrus.Fields{"message": msg}).Debug("Client Requested RSS Update") RSSList := Storage.FetchRSSFeeds(db) RSSJSONFeed := Engine.RSSJSONList{MessageType: "rssListRequest", TotalRSSFeeds: len(RSSList.RSSFeeds)} RSSsingleFeed := Engine.RSSFeedsNames{} for _, singleFeed := range RSSList.RSSFeeds { RSSsingleFeed.RSSName = singleFeed.Name RSSsingleFeed.RSSFeedURL = singleFeed.URL RSSJSONFeed.RSSFeeds = append(RSSJSONFeed.RSSFeeds, RSSsingleFeed) } conn.WriteJSON(RSSJSONFeed) case "addRSSFeed": Logger.WithFields(logrus.Fields{"message": msg.Payload[0]}).Debug("Client Added RSS Feed") newRSSFeed := msg.Payload[0] //there will only be one RSS feed (hopefully) fullRSSFeeds := Storage.FetchRSSFeeds(db) Logger.WithFields(logrus.Fields{"RSSFeeds": fullRSSFeeds}).Debug("Pulled Full RSS Feeds") for _, singleFeed := range fullRSSFeeds.RSSFeeds { if newRSSFeed == singleFeed.URL || newRSSFeed == "" { Logger.WithFields(logrus.Fields{"RSSFeed": newRSSFeed}).Warn("Empty URL or Duplicate RSS URL to one already in database! Rejecting submission") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "error", Payload: "Empty URL or Duplicate RSS URL to one already in database!"}, conn) continue MessageLoop } } fp := gofeed.NewParser() feed, err := fp.ParseURL(newRSSFeed) if err != nil { Logger.WithFields(logrus.Fields{"RSSFeed": newRSSFeed}).Warn("Unable to parse the URL as valid RSS.. cannot add RSS...") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "error", Payload: "Unable to parse the URL as valid RSS.. cannot add RSS..."}, conn) continue MessageLoop } Logger.WithFields(logrus.Fields{"RSSFeedTitle": feed.Title}).Info("Have feed from URL...") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "success", Payload: "Added RSS Feed"}, conn) newRSSFeedFull := Storage.SingleRSSFeed{} newRSSFeedFull.Name = feed.Title newRSSFeedFull.URL = msg.Payload[0] fullRSSFeeds.RSSFeeds = append(fullRSSFeeds.RSSFeeds, newRSSFeedFull) // add the new RSS feed to the stack Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "info", Payload: "Adding RSS feed..."}, conn) Engine.ForceRSSRefresh(db, fullRSSFeeds) //forcing an RSS refresh to fully populate all rss feeds TODO maybe just push the update of the new RSS feed and leave cron to update? But user would most likely expect and immediate update case "deleteRSSFeed": Logger.WithFields(logrus.Fields{"message": msg.Payload[0]}).Debug("Deleting RSS Feed") removingRSSFeed := msg.Payload[0] Storage.DeleteRSSFeed(db, removingRSSFeed) fullRSSFeeds := Storage.FetchRSSFeeds(db) Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "info", Payload: "Deleting RSS feed..."}, conn) Engine.ForceRSSRefresh(db, fullRSSFeeds) case "rssTorrentsRequest": RSSFeedURL := msg.Payload[0] Logger.WithFields(logrus.Fields{"RSSFeed": msg.Payload[0]}).Info("Requesting torrentList for feed..") UpdatedRSSFeed := Engine.RefreshSingleRSSFeed(db, Storage.FetchSpecificRSSFeed(db, RSSFeedURL)) TorrentRSSList := SingleRSSFeedMessage{MessageType: "rssTorrentList", URL: RSSFeedURL, Name: UpdatedRSSFeed.Name, TotalTorrents: len(UpdatedRSSFeed.Torrents), Torrents: UpdatedRSSFeed.Torrents} Logger.WithFields(logrus.Fields{"TorrentRSSList": TorrentRSSList}).Debug("Returning Torrent list from RSSFeed to client") conn.WriteJSON(TorrentRSSList) case "magnetLinkSubmit": //if we detect a magnet link we will be adding a magnet torrent storageValue := msg.MessageDetail labelValue := msg.MessageDetailTwo if storageValue == "" { storageValue, err = filepath.Abs(filepath.ToSlash(Config.DefaultMoveFolder)) if err != nil { Logger.WithFields(logrus.Fields{"err": err, "MagnetLink": Config.DefaultMoveFolder}).Error("Unable to add default Storage Path") } } else { storageValue, err = filepath.Abs(filepath.ToSlash(storageValue)) if err != nil { Logger.WithFields(logrus.Fields{"err": err, "MagnetLink": storageValue}).Error("Unable to add Storage Path") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "error", Payload: "Unable to add Storage path..."}, conn) storageValue, _ = filepath.Abs(filepath.ToSlash(Config.DefaultMoveFolder)) } } for _, magnetLink := range msg.Payload { clientTorrent, err := tclient.AddMagnet(magnetLink) //reading the payload into the torrent client if err != nil { Logger.WithFields(logrus.Fields{"err": err, "MagnetLink": magnetLink}).Error("Unable to add magnetlink to client!") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "error", Payload: "Unable to add magnetlink to client!"}, conn) continue MessageLoop //continue out of the loop entirely for this message since we hit an error } Logger.WithFields(logrus.Fields{"clientTorrent": clientTorrent, "magnetLink": magnetLink}).Info("Adding torrent to client!") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "info", Payload: "Received MagnetLink"}, conn) Engine.StartTorrent(clientTorrent, torrentLocalStorage, db, Config.TorrentConfig.DataDir, "magnet", "", storageValue, labelValue, Config.TFileUploadFolder) //starting the torrent and creating local DB entry } case "torrentFileSubmit": //base64file := strings.TrimPrefix(msg.Payload[0], "data:;base64,") //trimming off the unneeded bits from the front of the json //TODO maybe do this in client? base64file := strings.Split(msg.Payload[0], ",") //Mozilla and Chrome have different payloads, but both start the file after the comma file, err := base64.StdEncoding.DecodeString(base64file[1]) //grabbing the second half of the string after the split if err != nil { Logger.WithFields(logrus.Fields{"Error": err, "file": file}).Info("Unable to decode base64 string to file") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "error", Payload: "Unable to decode base64 string to file"}, conn) } FileName := msg.MessageDetail fmt.Println("Full Message", msg.MessageType, msg.MessageDetail, msg.MessageDetailTwo, msg.MessageDetailThree) fmt.Println("FileName", msg.MessageDetail) storageValue := msg.MessageDetailTwo labelValue := msg.MessageDetailThree if storageValue == "" { storageValue, err = filepath.Abs(filepath.ToSlash(Config.DefaultMoveFolder)) if err != nil { Logger.WithFields(logrus.Fields{"err": err, "MagnetLink": Config.DefaultMoveFolder}).Error("Unable to add Storage Path") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "error", Payload: "Unable to add default Storage Path"}, conn) } } else { storageValue, err = filepath.Abs(filepath.ToSlash(storageValue)) if err != nil { Logger.WithFields(logrus.Fields{"err": err, "MagnetLink": storageValue}).Error("Unable to add Storage Path") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "error", Payload: "Unable to add Storage Path"}, conn) storageValue, _ = filepath.Abs(filepath.ToSlash(Config.DefaultMoveFolder)) } } filePath := filepath.Join(Config.TFileUploadFolder, FileName) //creating a full filepath to store the .torrent files err = ioutil.WriteFile(filePath, file, 0755) //Dumping our received file into the filename if err != nil { Logger.WithFields(logrus.Fields{"filepath": filePath, "file Name": FileName, "Error": err}).Error("Unable to write torrent data to file") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "error", Payload: "Unable to write torrent data to file"}, conn) } clientTorrent, err := tclient.AddTorrentFromFile(filePath) if err != nil { Logger.WithFields(logrus.Fields{"filepath": filePath, "Error": err}).Error("Unable to add Torrent to torrent server") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "error", Payload: "Unable to add Torrent to torrent server"}, conn) } Logger.WithFields(logrus.Fields{"clienttorrent": clientTorrent.Name(), "filename": filePath}).Info("Added torrent") Engine.StartTorrent(clientTorrent, torrentLocalStorage, db, Config.TorrentConfig.DataDir, "file", filePath, storageValue, labelValue, Config.TFileUploadFolder) case "stopTorrents": TorrentListCommands := msg.Payload Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "info", Payload: "Received Stop Request"}, conn) for _, singleTorrent := range runningTorrents { for _, singleSelection := range TorrentListCommands { if singleTorrent.InfoHash().String() == singleSelection { Logger.WithFields(logrus.Fields{"selection": singleSelection}).Info("Matched for stopping torrents") oldTorrentInfo := Storage.FetchTorrentFromStorage(db, singleTorrent.InfoHash().String()) oldTorrentInfo.TorrentStatus = "Stopped" oldTorrentInfo.MaxConnections = 0 oldMax := singleTorrent.SetMaxEstablishedConns(0) //Forcing the max amount of connections allowed to zero effectively stopping it Logger.WithFields(logrus.Fields{"oldMaxConnections": oldMax, "torrent": singleTorrent}).Info("Forcing connections to zero for torrent") Storage.UpdateStorageTick(db, oldTorrentInfo) //Updating the torrent status } } } case "deleteTorrents": withData := msg.MessageDetail //Checking if torrents should be deleted with data Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "info", Payload: "Received Delete Request"}, conn) Logger.WithFields(logrus.Fields{"deleteTorrentsPayload": msg.Payload, "torrentlist": msg.Payload, "deleteWithData?": withData}).Info("message for deleting torrents") for _, singleTorrent := range runningTorrents { for _, singleSelection := range msg.Payload { if singleTorrent.InfoHash().String() == singleSelection { singleTorrent.Drop() Logger.WithFields(logrus.Fields{"selection": singleSelection}).Info("Matched for deleting torrents") if withData == "true" { Logger.WithFields(logrus.Fields{"selection": singleSelection}).Info("Deleting torrent and data") Storage.DelTorrentLocalStorageAndFiles(db, singleTorrent.InfoHash().String(), Config.TorrentConfig.DataDir) } else { Logger.WithFields(logrus.Fields{"selection": singleSelection}).Info("Deleting just the torrent") Storage.DelTorrentLocalStorage(db, singleTorrent.InfoHash().String()) } } } } case "startTorrents": Logger.WithFields(logrus.Fields{"selection": msg.Payload}).Info("Matched for starting torrents") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "info", Payload: "Received Start Request"}, conn) for _, singleTorrent := range runningTorrents { for _, singleSelection := range msg.Payload { if singleTorrent.InfoHash().String() == singleSelection { Logger.WithFields(logrus.Fields{"infoHash": singleTorrent.InfoHash().String()}).Debug("Found matching torrent to start") oldTorrentInfo := Storage.FetchTorrentFromStorage(db, singleTorrent.InfoHash().String()) oldTorrentInfo.TorrentStatus = "Running" oldTorrentInfo.MaxConnections = 80 oldMax := singleTorrent.SetMaxEstablishedConns(80) Logger.WithFields(logrus.Fields{"Previous Max Connections": oldMax, "Torrent": oldTorrentInfo.TorrentName}).Info("Setting max connection from zero to") singleTorrent.DownloadAll() //forcing a download all just in case TODO.. might reset priorities of file dl Storage.UpdateStorageTick(db, oldTorrentInfo) //Updating the torrent status } } } case "forceUploadTorrents": Logger.WithFields(logrus.Fields{"selection": msg.Payload}).Info("Matched for force Uploading Torrents") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "info", Payload: "Received Force Start Request"}, conn) for _, singleTorrent := range runningTorrents { for _, singleSelection := range msg.Payload { if singleTorrent.InfoHash().String() == singleSelection { Logger.WithFields(logrus.Fields{"infoHash": singleTorrent.InfoHash().String()}).Debug("Found matching torrent to force start") oldTorrentInfo := Storage.FetchTorrentFromStorage(db, singleTorrent.InfoHash().String()) oldTorrentInfo.TorrentUploadLimit = false // no upload limit for this torrent oldTorrentInfo.TorrentStatus = "Running" oldTorrentInfo.MaxConnections = 80 oldMax := singleTorrent.SetMaxEstablishedConns(80) singleTorrent.DownloadAll() Logger.WithFields(logrus.Fields{"Previous Max Connections": oldMax, "Torrent": oldTorrentInfo.TorrentName}).Info("Setting max connection from zero to") Storage.UpdateStorageTick(db, oldTorrentInfo) //Updating the torrent status } } } case "setFilePriority": //TODO disable if the file is already at 100%? Logger.WithFields(logrus.Fields{"selection": msg.Payload}).Info("Matched for setting file priority") Engine.CreateServerPushMessage(Engine.ServerPushMessage{MessageType: "serverPushMessage", MessageLevel: "info", Payload: "Received Set Priority Request"}, conn) priorityRequested := msg.MessageDetail //storing the priority requested infoHash := msg.MessageDetailTwo //storing our infohash fileList := msg.Payload //filelist contains the ABSOLUTE paths to all of the files Logger.WithFields(logrus.Fields{"filelist": fileList}).Debug("Full filelist for setting file priority") for _, singleTorrent := range runningTorrents { if singleTorrent.InfoHash().String() == infoHash { Logger.WithFields(logrus.Fields{"singleTorrent": singleTorrent}).Debug("Matched for changing file prio torrents") for _, file := range singleTorrent.Files() { for _, sentFile := range fileList { absFilePath, err := filepath.Abs(file.Path()) if err != nil { Logger.WithFields(logrus.Fields{"singleTorrent": singleTorrent}).Error("Cannot create absolute file path for file") } if absFilePath == sentFile { if priorityRequested == "High" { file.SetPriority(torrent.PiecePriorityHigh) Logger.WithFields(logrus.Fields{"singleTorrent": file.DisplayPath()}).Debug("Setting priority for HIGH") activeTorrentStruct := Storage.FetchTorrentFromStorage(db, infoHash) //fetching all the data from the db to update certain fields then write it all back for i, specificFile := range activeTorrentStruct.TorrentFilePriority { //searching for that specific file if specificFile.TorrentFilePath == file.DisplayPath() { activeTorrentStruct.TorrentFilePriority[i].TorrentFilePriority = "High" //writing just that field to the current struct } } Storage.UpdateStorageTick(db, activeTorrentStruct) //re-writting essentially that entire struct right back into the database } if priorityRequested == "Normal" { file.SetPriority(torrent.PiecePriorityNormal) Logger.WithFields(logrus.Fields{"singleTorrent": file.DisplayPath()}).Debug("Setting priority for Normal") activeTorrentStruct := Storage.FetchTorrentFromStorage(db, infoHash) //fetching all the data from the db to update certain fields then write it all back for i, specificFile := range activeTorrentStruct.TorrentFilePriority { //searching for that specific file if specificFile.TorrentFilePath == file.DisplayPath() { activeTorrentStruct.TorrentFilePriority[i].TorrentFilePriority = "Normal" //writing just that field to the current struct } } Storage.UpdateStorageTick(db, activeTorrentStruct) //re-writting essentially that entire struct right back into the database } if priorityRequested == "Cancel" { file.SetPriority(torrent.PiecePriorityNone) Logger.WithFields(logrus.Fields{"singleTorrent": file.DisplayPath()}).Debug("Canceling file") activeTorrentStruct := Storage.FetchTorrentFromStorage(db, infoHash) //fetching all the data from the db to update certain fields then write it all back for i, specificFile := range activeTorrentStruct.TorrentFilePriority { //searching for that specific file if specificFile.TorrentFilePath == file.DisplayPath() { activeTorrentStruct.TorrentFilePriority[i].TorrentFilePriority = "Canceled" //writing just that field to the current struct activeTorrentStruct.TorrentSize = activeTorrentStruct.TorrentSize - file.Length() //changing the length of the download since the file was canceled } } Storage.UpdateStorageTick(db, activeTorrentStruct) //re-writting essentially that entire struct right back into the database } } } } } } default: //conn.Close() Logger.WithFields(logrus.Fields{"message": msg}).Info("Unrecognized Message from client... ignoring") return } } }) if err := http.ListenAndServe(httpAddr, nil); err != nil { Logger.WithFields(logrus.Fields{"error": err}).Fatal("Unable to listen on the http Server!") } else { fmt.Println("Server started on:", httpAddr) } }