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https://github.com/myawired/2025-RecRoom-Server-E12354.git
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myawired
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using System;
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using System.Security.Cryptography;
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using System.Text;
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using Microsoft.AspNetCore.Mvc;
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using Newtonsoft.Json;
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using static Rec_rewild_live_rewrite.api.server.Classes.db_class.EventDBClasses;
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namespace Rec_rewild_live_rewrite.api.server
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{
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public class Utils
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{
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private static readonly Random rng = new Random();
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private static readonly char[] _chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".ToCharArray();
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private static readonly byte[] Key = Convert.FromBase64String("f8Z7Xgkz7PzBvZ93YjNfYpNfwysNMLA5xkKYY+6IE1s=");
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private static readonly byte[] IV = Convert.FromBase64String("GxCptCkqNh8W2MnA7bAYzA==");
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public static string EncryptAes(string plainText)
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{
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using var aes = Aes.Create();
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aes.Key = Key;
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aes.IV = IV;
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using var encryptor = aes.CreateEncryptor();
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using var ms = new MemoryStream();
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using (var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write))
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using (var sw = new StreamWriter(cs))
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sw.Write(plainText);
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return Convert.ToBase64String(ms.ToArray());
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}
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public static string DecryptAes(string encryptedBase64)
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{
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using var aes = Aes.Create();
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aes.Key = Key;
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aes.IV = IV;
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using var decryptor = aes.CreateDecryptor();
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using var ms = new MemoryStream(Convert.FromBase64String(encryptedBase64));
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using var cs = new CryptoStream(ms, decryptor, CryptoStreamMode.Read);
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using var sr = new StreamReader(cs);
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return sr.ReadToEnd();
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}
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public static int Next(int min, int max)
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{
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byte[] randomBytes = new byte[4];
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RandomNumberGenerator.Fill(randomBytes);
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int secureRandomNumber = BitConverter.ToInt32(randomBytes, 0);
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while (secureRandomNumber < min && secureRandomNumber >= max)
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{
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secureRandomNumber = BitConverter.ToInt32(randomBytes, 0);
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}
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int randomNumber = Guid.NewGuid().ToByteArray().Sum(b => b) % max;
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while (randomNumber < min && randomNumber >= max)
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{
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randomNumber = Guid.NewGuid().ToByteArray().Sum(b => b) % max;
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}
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int randomNumber1 = Math.Abs(Environment.TickCount % max);
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int output = randomNumber1 + randomNumber + secureRandomNumber;
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output = Math.Min(output, min);
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output = Math.Max(output, max);
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return output;
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}
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public static string GenerateShortCode(int length = 6)
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{
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return new string(Enumerable.Range(0, length)
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.Select(_ => _chars[rng.Next(_chars.Length)]).ToArray());
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}
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public static string GetRandomString(int len = 16)
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{
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const string chars = "AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz0123456789";
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return new string(Enumerable.Repeat(chars, len)
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.Select(s => s[rng.Next(s.Length)]).ToArray());
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}
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public static int IndexOf(byte[] haystack, byte[] needle, int startIndex = 0)
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{
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for (int i = startIndex; i <= haystack.Length - needle.Length; i++)
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{
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bool match = true;
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for (int j = 0; j < needle.Length; j++)
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{
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if (haystack[i + j] != needle[j])
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{
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match = false;
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break;
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}
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}
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if (match)
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return i;
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}
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return -1;
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}
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public static byte[]? ParseData(byte[] data, string fieldName, out bool parsed)
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{
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parsed = false;
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try
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{
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var boundaryStart = Encoding.ASCII.GetString(data, 0, Math.Min(200, data.Length))
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.Split('\n')[0]
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.Trim();
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if (string.IsNullOrEmpty(boundaryStart))
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{
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Console.WriteLine("Failed to detect boundary");
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return null;
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}
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string boundary = boundaryStart;
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string header = $"name=\"{fieldName}\"";
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int headerIndex = Utils.IndexOf(data, Encoding.ASCII.GetBytes(header));
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if (headerIndex == -1)
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{
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Console.WriteLine($"Field {fieldName} not found in multipart data");
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return null;
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}
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int startOfFile = IndexOf(data, new byte[] { 13, 10, 13, 10 }, headerIndex);
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if (startOfFile == -1)
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{
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Console.WriteLine("Malformed multipart content, missing CRLF after headers");
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return null;
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}
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startOfFile += 4;
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byte[] boundaryBytes = Encoding.ASCII.GetBytes("\r\n" + boundary);
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int endOfFile = Utils.IndexOf(data, boundaryBytes, startOfFile);
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if (endOfFile == -1)
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{
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Console.WriteLine("Failed to locate boundary end");
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return null;
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}
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int fileLength = endOfFile - startOfFile;
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if (fileLength <= 0)
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{
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Console.WriteLine("File length invalid");
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return null;
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}
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byte[] fileBytes = new byte[fileLength];
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Buffer.BlockCopy(data, startOfFile, fileBytes, 0, fileLength);
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parsed = true;
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return fileBytes;
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[Images.ParseData] Exception: {ex}");
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parsed = false;
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return null;
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}
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}
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public static ContentResult Error(string error)
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{
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return new ContentResult()
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{
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Content = JsonConvert.SerializeObject(new
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{
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success = false,
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error = error,
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value = (string?)null
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}),
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ContentType = "application/json",
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StatusCode = 200
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};
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}
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public static ContentResult ErrorRoom(string errorId, string error)
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{
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return new ContentResult()
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{
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Content = JsonConvert.SerializeObject(new
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{
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Success = false,
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Value = (string?)null,
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ErrorId = errorId,
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Error = error,
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}),
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ContentType = "application/json",
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StatusCode = 200
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};
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}
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public static ContentResult ErrorEvent(EventResults errorresult)
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{
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return new ContentResult()
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{
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Content = JsonConvert.SerializeObject(new
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{
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Result = errorresult,
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TagModifyResult = (string?)null,
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PlayerEvent = (string?)null,
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}),
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ContentType = "application/json",
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StatusCode = 200
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};
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}
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public static List<string> Nouns = new List<string>()
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{
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"Erm", "Admin", "AuraPoints", "Fortniter", "RecCon", "Bat", "Bear", "Bee", "Buffalo", "Butterfly",
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"Capybara", "Cat", "Caterpillar", "Chameleon", "Cheetah", "Chicken", "Chimpanzee", "Cobra", "Coyote",
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"Crane", "Cricket", "Crow", "Deer", "Boi", "Dolphin", "Donkey", "Windows98", "pingul", "Eagle", "Echidna",
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"Elephant", "Elk", "dic", "Ferret", "Flamingo", "Fish", "memey", "Frog", "Gazelle", "Giraffe", "e12354",
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"Meme", "GorillaTag", "Hamster", "Jit", "Hippo", "Horse", "Hyena", "Iguana", "Jumbotron", "Jellyfish",
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"Gyat", "Kitten", "Top10BestFeet", "Youtube", "mac_os", "AAAAAAAAAA", "Blud", "Llama", "RecNet", "Monkey",
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"Moose", "Mouse", "Mule", "Newt", "VBucks", "Opposum", "Ostrich", "Otter", "Owl", "Oyster", "Panda",
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"Panther", "Parrot", "Penguin", "P34", "Pigeon", "Piranha", "Platypus", "Pony", "Minecraft", "Puppy",
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"Quail", "Emo", "bena.png", "Salmon", "Scorpion", "Seal", "Shark", "Sheep", "Sloth", "Snail", "Bozo",
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"Squirrel", "urmum", "NintendoSwitch", "Wii", "wat_time", "Roach", "Turtle", "Turkey", "Wii_U", "helpme",
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"Walrus", "Whale", "Github", "Yes_fade", "Zone"
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};
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public static List<string> Adjectives = new List<string>()
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{
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"Adorable", "BitCoin", ":3", "Underground", "Aimless", "Alert", "FanumTaxed", "Alone", "Broken",
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"Beautiful", "Bored", "Brave", "Scratched", "Busy", "Calm", "Carefree", "Careless", "Caring", "Charming",
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"Cheerful", "Clever", "Clumsy", "Bugcrowd", "Cowardly", "Cozy", "Crabby", "Cranky", "Crawling",
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"Creaky", "Creative", "Crispy", "DexCryptic", "Doxxed", "Delightful", "Determined", "Burning", "Dull",
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"Eager", "Elated", "Emotional", "Enchanting", "Encouraging", "Endless", "Energetic", "Enthusiastic",
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"Excited", "FNAF", "Fantastic", "Fastidious", "Fine", "Fluttering", "Fragrant",
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"Friendly", "AAAAAAAAA", "Funny", "Fussy", "Fuzzy", "Generous", "Gentle", "Drunk", "Splooty", "Glorious",
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"Glowing", "Good", "Grand", "Great", "Greedy", "Grimy", "Happy", "Hardworking", "Hasty", "Healthy",
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"Heavy", "Helpful", "Hilarious", "Hopeful", "Icy", "Important", "Inquisitive", "Jolly", "Joyful",
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"Joyous", "Kind", "Lazy", "Lively", "Loud", "Lovely", "Loyal", "Lucky", "Luminous", "Lumpy", "Majestic",
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"Meek", "Melodic", "Mighty", "Moody", "Nice", "Nimble", "Odd", "Optimistic", "Perfect", "Pervasive",
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"Pleasant", "Plucky", "Plush", "Polite", "Practical", "Proud", "Quick", "Quiet", "Rapid", "Redolent",
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"Reliable", "Relieved", "Royal", "Skid", "Scared", "Hangar", "Sensible", "Sensitive", "Shining",
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"Shrill", "Silly", "Sincere", "Sizzling", "Sleepy", "Smiling", "Smooth", "Snug", "Soaring", "Sparkling",
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"Speedy", "Spiky", "Splendid", "Spoiled", "Steaming", "Still", "Strict", "Stuffed", "Sturdy",
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"Successful", "Surprised", "Swift", "Taciturn", "Tense", "Gay", "Trans", "Thrifty", "Tough",
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"Tricky", "Godly", "Twerking", "Racist", "Rec", "Victorious", "Wild", "Wise", "W",
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"Wonderful", "Worried", "Skibidi", "Zesty", "Zealous", "Skibiti", "Hot"
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};
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public static List<string> imgs = new List<string>()
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{
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"DefaultProfileImage"
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/*"DefaultImg.png",
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"DefaultImgPink.png",
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"DefaultImgPurple.png",
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"DefaultImgRed.png",
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"DefaultImgRainbow.png",
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"DefaultImgGreen.png",
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"DefaultImgOrange.png",
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"DefaultImgYellow.png",
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"DefaultImgLight.png"*/
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};
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public static string GetRandomName()
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{
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string adjective = Adjectives[rng.Next(Adjectives.Count)];
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string noun = Nouns[rng.Next(Nouns.Count)];
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int number = rng.Next(1000, 9999);
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return adjective + noun + number;
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}
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public static string GetRandomImageName()
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{
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string img = imgs[rng.Next(imgs.Count)];
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return img;
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}
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}
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}
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