325 lines
12 KiB
C#
325 lines
12 KiB
C#
using MySql.Data.MySqlClient;
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using System;
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using System.Collections.Generic;
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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.Xml;
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using System.Xml.Serialization;
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namespace BackupManager {
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public static class Program {
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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 BackupName
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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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public static string BackupStore => string.IsNullOrWhiteSpace(Config.FileSystemPathV2)
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? Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), @"Backups")
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: Config.FileSystemPathV2;
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public static bool Headless;
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public static string WindowsToUnixPath(this string path) {
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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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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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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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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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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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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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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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if (!Directory.Exists(BackupStore))
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Directory.CreateDirectory(BackupStore);
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Log(@"Fetching database list...");
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MySqlConnectionStringBuilder connStr = new MySqlConnectionStringBuilder {
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Server = Config.MySqlHost,
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UserID = Config.MySqlUser,
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Password = Config.MySqlPass,
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CharacterSet = @"utf8mb4",
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SslMode = MySqlSslMode.None,
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};
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List<string> databases = new List<string>();
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string[] exclude = Config.MySqlExcludeDatabases.Split(' ');
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using (MySqlConnection conn = new MySqlConnection(connStr.ToString())) {
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conn.Open();
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using(MySqlCommand comm = new(@"SET NAMES 'utf8mb4';"))
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comm.ExecuteNonQuery();
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using(MySqlCommand comm = new MySqlCommand(@"SHOW DATABASES;", conn))
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using(MySqlDataReader read = comm.ExecuteReader()) {
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while(read.Read()) {
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string database = read.GetString(0);
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if(string.IsNullOrEmpty(database) || exclude.Contains(database))
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continue;
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databases.Add(database);
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}
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}
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}
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Log(@"Creating backup archive...");
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string archivePath = Path.GetTempFileName();
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using (FileStream fs = File.OpenWrite(archivePath))
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using (ZipArchive archive = new ZipArchive(fs, ZipArchiveMode.Create)) {
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Log(@"Database backup...");
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string sqldefaults = Path.GetTempFileName();
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using (FileStream sqlConfFs = File.Open(sqldefaults, FileMode.Open, FileAccess.ReadWrite))
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using (StreamWriter sw = new StreamWriter(sqlConfFs)) {
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sw.WriteLine(@"[client]");
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sw.WriteLine($@"user={Config.MySqlUser}");
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sw.WriteLine($@"password={Config.MySqlPass}");
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sw.WriteLine(@"default-character-set=utf8mb4");
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}
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foreach (string database in databases)
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CreateDbDump(archive, sqldefaults, database);
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Log($@"MariaDB dump done.");
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File.Delete(sqldefaults);
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if (!string.IsNullOrWhiteSpace(Config.MisuzuPath)
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&& Directory.Exists(Config.MisuzuPath)) {
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Log(@"Filesystem backup...");
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string mszConfig = Path.Combine(Config.MisuzuPath, @"config/config.ini");
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if (!File.Exists(mszConfig))
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Error(@"Could not find Misuzu config.");
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string mszStore = Path.Combine(Config.MisuzuPath, @"store");
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if (!Directory.Exists(mszStore))
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Error(@"Could not find Misuzu storage directory.");
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CreateMisuzuDataBackup(archive, mszConfig, mszStore);
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}
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}
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string targetPath = Path.Combine(BackupStore, BackupName);
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File.Move(archivePath, targetPath);
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Log($@"Moved backup archive to {targetPath}");
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SaveConfig();
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sw.Stop();
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Log($@"Done! Took {sw.Elapsed}.", true);
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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, bool forceSatori = false) {
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if (!Headless) {
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if (sw?.IsRunning == true) {
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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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}
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if (forceSatori || (!Headless && !(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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if (!Headless) {
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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 void CreateMisuzuDataBackup(ZipArchive archive, string configPath, string storePath) {
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Log(@"Storing non-volatile Misuzu data...");
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archive.CreateEntryFromFile(configPath, @"misuzu/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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archive.CreateEntryFromFile(
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file,
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@"misuzu/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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public static void CreateDbDump(ZipArchive archive, string defaults, string database) {
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Log($@"Dumping {database}...");
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string sqldump = Path.GetTempFileName();
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StringBuilder mysqldumpArgs = new StringBuilder();
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mysqldumpArgs.AppendFormat(@"--defaults-file={0} ", defaults);
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mysqldumpArgs.Append(@"--single-transaction ");
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mysqldumpArgs.Append(@"--tz-utc --triggers ");
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mysqldumpArgs.Append(@"--routines --hex-blob ");
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mysqldumpArgs.Append(@"--add-locks --order-by-primary ");
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mysqldumpArgs.Append(@"--skip-lock-tables "); // might regret this, we'll find out someday
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mysqldumpArgs.AppendFormat(@"--result-file={0} ", sqldump);
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mysqldumpArgs.Append(@"-Q -q -B "); // lock, quote names, quick, database list
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mysqldumpArgs.Append(database);
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#if DEBUG
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Log($@"mysqldump args: {mysqldumpArgs}");
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#endif
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Process p = Process.Start(new ProcessStartInfo {
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FileName = IsWindows ? Config.MySqlDumpPathWindows : Config.MySqlDumpPath,
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Arguments = mysqldumpArgs.ToString(),
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UseShellExecute = false,
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CreateNoWindow = true,
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});
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p.WaitForExit();
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archive.CreateEntryFromFile(sqldump, $@"mariadb/{database}.sql", CompressionLevel.Optimal);
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File.Delete(sqldump);
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}
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public static void SatoriBroadcast(string text, bool error = false) {
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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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ip = IPAddress.Parse(Config.SatoriHost);
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} catch {
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try {
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// forcing IPv4 here, it seems to explode with IPv6 and i don't really want to figure out why
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ip = Dns.GetHostAddresses(Config.SatoriHost).FirstOrDefault(x => x.AddressFamily == AddressFamily.InterNetwork);
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} catch {
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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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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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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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