Julian van de Groep
13d51c7bf8
I'm satistfied with how the SFTP method has been working, and it also means the backups aren't stored by Google as a MASSIVE plus.
458 lines
15 KiB
C#
458 lines
15 KiB
C#
using Renci.SshNet;
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using Renci.SshNet.Common;
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using System.Net;
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using System.Net.Sockets;
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using System.Runtime.InteropServices;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading;
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using System.Xml;
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using System.Xml.Serialization;
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namespace BackupManager
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{
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public static class Program
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{
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public readonly static Stopwatch sw = new Stopwatch();
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private const string CONFIG_NAME = @"FlashiiBackupManager.v1.xml";
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public static bool IsWindows
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=> RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
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public readonly static DateTimeOffset Startup = DateTimeOffset.UtcNow;
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public static string Basename
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=> $@"{Environment.MachineName} {Startup.Year:0000}-{Startup.Month:00}-{Startup.Day:00} {Startup.Hour:00}{Startup.Minute:00}{Startup.Second:00}";
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public static string DatabaseDumpName
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=> $@"{Basename}.sql.gz";
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public static string UserDataName
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=> $@"{Basename}.zip";
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private static Config Config;
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private readonly static string ConfigPath = Path.Combine(
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Environment.GetFolderPath(Environment.SpecialFolder.Personal),
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CONFIG_NAME
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);
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private static object BackupStorage;
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private static SftpClient SFTP;
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public static bool Headless;
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public static string WindowsToUnixPath(this string path)
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{
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return IsWindows ? path.Replace('\\', '/') : path;
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}
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public static Stream ToXml(this object obj, bool pretty = false)
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{
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MemoryStream ms = new MemoryStream();
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XmlSerializer xs = new XmlSerializer(obj.GetType());
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using (XmlWriter xw = XmlWriter.Create(ms, new XmlWriterSettings { Indent = pretty }))
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xs.Serialize(xw, obj);
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ms.Seek(0, SeekOrigin.Begin);
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return ms;
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}
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public static T FromXml<T>(Stream xml)
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{
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if (xml.CanSeek)
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xml.Seek(0, SeekOrigin.Begin);
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XmlSerializer xs = new XmlSerializer(typeof(T));
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return (T)xs.Deserialize(xml);
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}
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public static void SaveConfig()
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{
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Log(@"Saving configuration...");
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using (FileStream fs = new FileStream(ConfigPath, FileMode.Create, FileAccess.Write))
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using (Stream cs = Config.ToXml(true))
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cs.CopyTo(fs);
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}
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public static void LoadConfig()
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{
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Log(@"Loading configuration...");
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using (FileStream fs = File.OpenRead(ConfigPath))
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Config = FromXml<Config>(fs);
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}
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public static void Main(string[] args)
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{
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Headless = args.Contains(@"-cron") || args.Contains(@"-headless");
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Log(@"Flashii Backup Manager");
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sw.Start();
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if (!File.Exists(ConfigPath))
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{
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Config = new Config();
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SaveConfig();
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Error(@"No configuration file exists, created a blank one. Be sure to fill it out properly.");
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}
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LoadConfig();
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switch (Config.StorageMethod)
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{
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case StorageMethod.Sftp:
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if (string.IsNullOrWhiteSpace(Config.SftpHost) || string.IsNullOrWhiteSpace(Config.SftpUsername))
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{
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sw.Stop();
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Config.SftpHost = Config.SftpHost ?? @"";
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Config.SftpPort = Config.SftpPort < 1 ? (ushort)22 : Config.SftpPort;
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Config.SftpUsername = Config.SftpUsername ?? @"";
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Config.SftpPassphrase = Config.SftpPassphrase ?? @"";
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Config.SftpPrivateKey = Config.SftpPrivateKey ?? @"";
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Config.SftpTrustedHost = Config.SftpTrustedHost ?? @"";
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Config.SftpBackupDirectoryPath = Config.SftpBackupDirectoryPath ?? @"";
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SaveConfig();
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Error(@"No Sftp host/auth details found in the configuration.");
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}
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if (!string.IsNullOrEmpty(Config.SftpPrivateKey))
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SFTP = new SftpClient(Config.SftpHost, Config.SftpPort, Config.SftpUsername, new PrivateKeyFile(Config.SftpPrivateKey, Config.SftpPassphrase ?? string.Empty));
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else
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SFTP = new SftpClient(Config.SftpHost, Config.SftpPort, Config.SftpUsername, Config.SftpPassphrase ?? string.Empty);
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using (ManualResetEvent mre = new ManualResetEvent(false))
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{
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if (!string.IsNullOrWhiteSpace(Config.SftpTrustedHost))
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SFTP.HostKeyReceived += (s, e) =>
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{
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string checkString = e.HostKeyName + @"#" + Convert.ToBase64String(e.HostKey) + @"#" + Convert.ToBase64String(e.FingerPrint);
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e.CanTrust = Config.SftpTrustedHost.SequenceEqual(checkString);
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mre.Set();
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};
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else
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mre.Set();
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try
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{
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SFTP.Connect();
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} catch (SshConnectionException)
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{
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Error(@"Error during SFTP connect, it's possible the server key changed.");
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}
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mre.WaitOne();
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}
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break;
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}
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GetBackupStorage();
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Log(@"Database backup...");
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using (Stream s = CreateMySqlDump())
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using (Stream g = GZipEncodeStream(s))
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{
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object f = Upload(DatabaseDumpName, @"application/sql+gzip", g);
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switch (f)
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{
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default:
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Log($@"MySQL dump uploaded.");
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break;
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}
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}
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if (Directory.Exists(Config.MisuzuPath))
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{
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Log(@"Filesystem backup...");
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string mszConfig = GetMisuzuConfig();
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if (!File.Exists(mszConfig))
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Error(@"Could not find Misuzu config.");
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string mszStore = FindMisuzuStorageDir(mszConfig);
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if (!Directory.Exists(mszStore))
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Error(@"Could not find Misuzu storage directory.");
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string archivePath = CreateMisuzuDataBackup(mszConfig, mszStore);
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using (FileStream fs = File.OpenRead(archivePath))
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{
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object f = Upload(UserDataName, @"application/zip", fs);
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switch (f)
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{
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default:
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Log($@"Misuzu data uploaded.");
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break;
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}
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}
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File.Delete(archivePath);
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}
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SaveConfig();
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sw.Stop();
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Log($@"Done! Took {sw.Elapsed}.");
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#if DEBUG
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Console.ReadLine();
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#endif
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}
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public static void Log(object line)
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{
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if (Headless)
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return;
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if (sw?.IsRunning == true)
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{
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ConsoleColor fg = Console.ForegroundColor;
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Console.ForegroundColor = ConsoleColor.Yellow;
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Console.Write(sw.ElapsedMilliseconds.ToString().PadRight(10));
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Console.ForegroundColor = fg;
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}
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Console.WriteLine(line);
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if (!(Config?.SatoriErrorsOnly ?? true))
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SatoriBroadcast(line.ToString());
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}
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public static void Error(object line, int exit = 0x00DEAD00)
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{
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if (!Headless)
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{
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Console.ForegroundColor = ConsoleColor.Red;
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Log(line);
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Console.ResetColor();
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}
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SatoriBroadcast(line.ToString(), true);
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#if DEBUG
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Console.ReadLine();
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#endif
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Environment.Exit(exit);
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}
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public static object Upload(string name, string type, Stream stream)
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{
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Log($@"Uploading '{name}'...");
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switch (BackupStorage)
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{
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case string scpName:
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SFTP.UploadFile(stream, scpName + @"/" + name);
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break;
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}
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return null;
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}
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public static string GetMisuzuConfig()
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{
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return Path.Combine(Config.MisuzuPath, @"config/config.ini");
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}
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public static string FindMisuzuStorageDir(string config)
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{
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Log(@"Finding storage directory...");
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string[] configLines = File.ReadAllLines(config);
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bool storageSectionFound = false;
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string path = string.Empty;
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foreach (string line in configLines)
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{
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if (!string.IsNullOrEmpty(path))
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break;
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if (line.StartsWith('['))
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storageSectionFound = line == @"[Storage]";
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if (!storageSectionFound)
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continue;
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string[] split = line.Split('=', StringSplitOptions.RemoveEmptyEntries);
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if (split.Length < 2 || split[0] != @"path")
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continue;
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path = string.Join('=', split.Skip(1));
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break;
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}
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if (string.IsNullOrEmpty(path))
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path = Path.Combine(Config.MisuzuPath, @"store");
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return path;
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}
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public static string CreateMisuzuDataBackup(string configPath, string storePath)
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{
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Log(@"Creating Zip archive containing non-volatile Misuzu data...");
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string tmpName = Path.GetTempFileName();
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using (FileStream fs = File.OpenWrite(tmpName))
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using (ZipArchive za = new ZipArchive(fs, ZipArchiveMode.Create))
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{
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za.CreateEntryFromFile(configPath, @"config/config.ini", CompressionLevel.Optimal);
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string[] storeFiles = Directory.GetFiles(storePath, @"*", SearchOption.AllDirectories);
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foreach (string file in storeFiles)
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za.CreateEntryFromFile(
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file,
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@"store/" + file.Replace(storePath, string.Empty).WindowsToUnixPath().Trim('/'),
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CompressionLevel.Optimal
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);
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}
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return tmpName;
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}
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public static Stream CreateMySqlDump()
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{
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Log(@"Dumping MySQL Databases...");
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string tmpFile = Path.GetTempFileName();
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using (FileStream fs = File.Open(tmpFile, FileMode.Open, FileAccess.ReadWrite))
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using (StreamWriter sw = new StreamWriter(fs))
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{
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sw.WriteLine(@"[client]");
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sw.WriteLine($@"user={Config.MySqlUser}");
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sw.WriteLine($@"password={Config.MySqlPass}");
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sw.WriteLine(@"default-character-set=utf8");
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}
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Process p = Process.Start(new ProcessStartInfo
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{
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FileName = IsWindows ? Config.MySqlDumpPathWindows : Config.MySqlDumpPath,
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RedirectStandardError = false,
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RedirectStandardInput = false,
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RedirectStandardOutput = true,
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Arguments = $@"--defaults-file={tmpFile} --add-locks -l --order-by-primary -B {Config.MySqlDatabases}",
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UseShellExecute = false,
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CreateNoWindow = true,
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});
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int read;
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byte[] buffer = new byte[1024];
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MemoryStream ms = new MemoryStream();
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while ((read = p.StandardOutput.BaseStream.Read(buffer, 0, buffer.Length)) > 0)
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ms.Write(buffer, 0, read);
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p.WaitForExit();
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File.Delete(tmpFile);
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ms.Seek(0, SeekOrigin.Begin);
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return ms;
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}
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public static Stream GZipEncodeStream(Stream input)
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{
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Log(@"Compressing stream...");
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MemoryStream output = new MemoryStream();
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using (GZipStream gz = new GZipStream(output, CompressionLevel.Optimal, true))
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input.CopyTo(gz);
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output.Seek(0, SeekOrigin.Begin);
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return output;
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}
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public static void GetBackupStorage(string name = null)
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{
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switch (Config.StorageMethod)
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{
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case StorageMethod.Sftp:
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string directory = (BackupStorage = name ?? Config.SftpBackupDirectoryPath) as string;
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try
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{
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SFTP.ListDirectory(directory);
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} catch (SftpPathNotFoundException)
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{
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SFTP.CreateDirectory(directory);
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}
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break;
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}
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}
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public static void SatoriBroadcast(string text, bool error = false)
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{
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if (string.IsNullOrEmpty(text)
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|| Config == null
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|| string.IsNullOrWhiteSpace(Config.SatoriHost)
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|| string.IsNullOrWhiteSpace(Config.SatoriSecret)
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|| Config.SatoriPort < 1)
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return;
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IPAddress ip = null;
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try
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{
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ip = IPAddress.Parse(Config.SatoriHost);
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}
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catch
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{
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try
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{
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ip = Dns.GetHostAddresses(Config.SatoriHost).FirstOrDefault();
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}
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catch
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{
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ip = null;
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}
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}
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if (ip == null)
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return;
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EndPoint endPoint = new IPEndPoint(ip, Config.SatoriPort);
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StringBuilder textBuilder = new StringBuilder();
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textBuilder.Append(@"[b]Backup System[/b]: ");
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if (error)
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textBuilder.Append(@"[color=red]");
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textBuilder.Append(text);
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if (error)
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textBuilder.Append(@"[/color]");
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text = textBuilder.ToString();
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StringBuilder messageBuilder = new StringBuilder();
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using (HMACSHA256 hmac = new HMACSHA256(Encoding.UTF8.GetBytes(Config.SatoriSecret)))
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{
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byte[] hash = hmac.ComputeHash(Encoding.UTF8.GetBytes(text));
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foreach (byte b in hash)
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messageBuilder.AppendFormat(@"{0:x2}", b);
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}
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messageBuilder.Append(text);
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string message = messageBuilder.ToString();
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byte[] messageBytes = new byte[Encoding.UTF8.GetByteCount(message) + 2];
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messageBytes[0] = messageBytes[messageBytes.Length - 1] = 0x0F;
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Encoding.UTF8.GetBytes(message).CopyTo(messageBytes, 1);
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using (Socket sock = new Socket(endPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp))
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{
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sock.NoDelay = sock.Blocking = true;
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sock.Connect(endPoint);
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sock.Send(messageBytes);
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}
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}
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}
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}
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